Initial commit

Bug-AGL: SPEC-4033
Signed-off-by: Kenji Hosokawa <khosokawa@jp.adit-jv.com>

31 files changed, 5902 insertions, 0 deletions

diff --git a/rba.model.view/src/rba/view/impl/AlignedLayoutImpl.java b/rba.model.view/src/rba/view/impl/AlignedLayoutImpl.java
new file mode 100644
index 0000000..85ab299
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AlignedLayoutImpl.java
@@ -0,0 +1,221 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectResolvingEList;
+import rba.view.AlignedLayout;
+import rba.view.Area;
+import rba.view.BasePoint;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Aligned Layout</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.AlignedLayoutImpl#getSubarea <em>Subarea</em>}</li>
+ *   <li>{@link rba.view.impl.AlignedLayoutImpl#getBasePoint <em>Base Point</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public abstract class AlignedLayoutImpl extends LayoutManagerImpl implements AlignedLayout {
+	/**
+	 * The cached value of the '{@link #getSubarea() <em>Subarea</em>}' reference list.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getSubarea()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Area> subarea;
+
+	/**
+	 * The default value of the '{@link #getBasePoint() <em>Base Point</em>}' attribute.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getBasePoint()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final BasePoint BASE_POINT_EDEFAULT = BasePoint.LEFT_TOP;
+
+	/**
+	 * The cached value of the '{@link #getBasePoint() <em>Base Point</em>}' attribute.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getBasePoint()
+	 * @generated
+	 * @ordered
+	 */
+	protected BasePoint basePoint = BASE_POINT_EDEFAULT;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AlignedLayoutImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.ALIGNED_LAYOUT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Area> getSubarea() {
+		if (subarea == null) {
+			subarea = new EObjectResolvingEList<Area>(Area.class, this, RBAViewPackage.ALIGNED_LAYOUT__SUBAREA);
+		}
+		return subarea;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BasePoint getBasePoint() {
+		return basePoint;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setBasePoint(BasePoint newBasePoint) {
+		BasePoint oldBasePoint = basePoint;
+		basePoint = newBasePoint == null ? BASE_POINT_EDEFAULT : newBasePoint;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.ALIGNED_LAYOUT__BASE_POINT,
+					oldBasePoint, basePoint));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	public EList<Area> collectLeafArea() {
+		java.util.Set<Area> areas = new java.util.HashSet<Area>();
+		for (Area area : getSubarea()) {
+			areas.addAll(area.collectLeafAllocatable().stream().map(allocatable -> (Area) allocatable)
+					.collect(java.util.stream.Collectors.toList()));
+		}
+		return new org.eclipse.emf.common.util.BasicEList<Area>(areas);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.ALIGNED_LAYOUT__SUBAREA:
+			return getSubarea();
+		case RBAViewPackage.ALIGNED_LAYOUT__BASE_POINT:
+			return getBasePoint();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.ALIGNED_LAYOUT__SUBAREA:
+			getSubarea().clear();
+			getSubarea().addAll((Collection<? extends Area>) newValue);
+			return;
+		case RBAViewPackage.ALIGNED_LAYOUT__BASE_POINT:
+			setBasePoint((BasePoint) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.ALIGNED_LAYOUT__SUBAREA:
+			getSubarea().clear();
+			return;
+		case RBAViewPackage.ALIGNED_LAYOUT__BASE_POINT:
+			setBasePoint(BASE_POINT_EDEFAULT);
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.ALIGNED_LAYOUT__SUBAREA:
+			return subarea != null && !subarea.isEmpty();
+		case RBAViewPackage.ALIGNED_LAYOUT__BASE_POINT:
+			return basePoint != BASE_POINT_EDEFAULT;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.ALIGNED_LAYOUT___COLLECT_LEAF_AREA:
+			return collectLeafArea();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy())
+			return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (basePoint: ");
+		result.append(basePoint);
+		result.append(')');
+		return result.toString();
+	}
+
+} // AlignedLayoutImpl
diff --git a/rba.model.view/src/rba/view/impl/AllInstanceOfAreaImpl.java b/rba.model.view/src/rba/view/impl/AllInstanceOfAreaImpl.java
new file mode 100644
index 0000000..e2f9da0
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AllInstanceOfAreaImpl.java
@@ -0,0 +1,72 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.SetExpressionImpl;
+
+import rba.view.AllInstanceOfArea;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>All Instance Of Area</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class AllInstanceOfAreaImpl extends SetExpressionImpl implements AllInstanceOfArea {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AllInstanceOfAreaImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.ALL_INSTANCE_OF_AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getExpressionText() {
+		return "AREA";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.SET_OF_AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.ALL_INSTANCE_OF_AREA___GET_EXPRESSION_TEXT:
+			return getExpressionText();
+		case RBAViewPackage.ALL_INSTANCE_OF_AREA___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // AllInstanceOfAreaImpl
diff --git a/rba.model.view/src/rba/view/impl/AllInstanceOfViewContentImpl.java b/rba.model.view/src/rba/view/impl/AllInstanceOfViewContentImpl.java
new file mode 100644
index 0000000..15b4e5b
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AllInstanceOfViewContentImpl.java
@@ -0,0 +1,73 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.SetExpressionImpl;
+
+import rba.view.AllInstanceOfViewContent;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>All Instance Of View Content</b></em>'. <!--
+ * end-user-doc -->
+ *
+ * @generated
+ */
+public class AllInstanceOfViewContentImpl extends SetExpressionImpl implements AllInstanceOfViewContent {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AllInstanceOfViewContentImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.ALL_INSTANCE_OF_VIEW_CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getExpressionText() {
+		return "ALL_VIEWCONTENTS";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.SET_OF_CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.ALL_INSTANCE_OF_VIEW_CONTENT___GET_EXPRESSION_TEXT:
+			return getExpressionText();
+		case RBAViewPackage.ALL_INSTANCE_OF_VIEW_CONTENT___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // AllInstanceOfViewContentImpl
diff --git a/rba.model.view/src/rba/view/impl/AreaImpl.java b/rba.model.view/src/rba/view/impl/AreaImpl.java
new file mode 100644
index 0000000..d12a43a
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AreaImpl.java
@@ -0,0 +1,232 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import rba.core.Expression;
+import rba.core.ExpressionType;
+import rba.core.impl.AllocatableImpl;
+import rba.view.Area;
+import rba.view.RBAViewPackage;
+import rba.view.SizeIdentifier;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Area</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.AreaImpl#getZorder <em>Zorder</em>}</li>
+ *   <li>{@link rba.view.impl.AreaImpl#getSize <em>Size</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class AreaImpl extends AllocatableImpl implements Area {
+	/**
+	 * The cached value of the '{@link #getZorder() <em>Zorder</em>}' containment reference.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getZorder()
+	 * @generated
+	 * @ordered
+	 */
+	protected Expression zorder;
+
+	/**
+	 * The cached value of the '{@link #getSize() <em>Size</em>}' containment reference list.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getSize()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<SizeIdentifier> size;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AreaImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Expression getZorder() {
+		return zorder;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetZorder(Expression newZorder, NotificationChain msgs) {
+		Expression oldZorder = zorder;
+		zorder = newZorder;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, RBAViewPackage.AREA__ZORDER,
+					oldZorder, newZorder);
+			if (msgs == null)
+				msgs = notification;
+			else
+				msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setZorder(Expression newZorder) {
+		if (newZorder != zorder) {
+			NotificationChain msgs = null;
+			if (zorder != null)
+				msgs = ((InternalEObject) zorder).eInverseRemove(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.AREA__ZORDER, null, msgs);
+			if (newZorder != null)
+				msgs = ((InternalEObject) newZorder).eInverseAdd(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.AREA__ZORDER, null, msgs);
+			msgs = basicSetZorder(newZorder, msgs);
+			if (msgs != null)
+				msgs.dispatch();
+		} else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.AREA__ZORDER, newZorder, newZorder));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<SizeIdentifier> getSize() {
+		if (size == null) {
+			size = new EObjectContainmentEList<SizeIdentifier>(SizeIdentifier.class, this, RBAViewPackage.AREA__SIZE);
+		}
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.AREA__ZORDER:
+			return basicSetZorder(null, msgs);
+		case RBAViewPackage.AREA__SIZE:
+			return ((InternalEList<?>) getSize()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.AREA__ZORDER:
+			return getZorder();
+		case RBAViewPackage.AREA__SIZE:
+			return getSize();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.AREA__ZORDER:
+			setZorder((Expression) newValue);
+			return;
+		case RBAViewPackage.AREA__SIZE:
+			getSize().clear();
+			getSize().addAll((Collection<? extends SizeIdentifier>) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.AREA__ZORDER:
+			setZorder((Expression) null);
+			return;
+		case RBAViewPackage.AREA__SIZE:
+			getSize().clear();
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.AREA__ZORDER:
+			return zorder != null;
+		case RBAViewPackage.AREA__SIZE:
+			return size != null && !size.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.AREA___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // AreaImpl
diff --git a/rba.model.view/src/rba/view/impl/AreaOperatorImpl.java b/rba.model.view/src/rba/view/impl/AreaOperatorImpl.java
new file mode 100644
index 0000000..054aca6
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AreaOperatorImpl.java
@@ -0,0 +1,34 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.impl.AllocatableOperatorImpl;
+import rba.view.AreaOperator;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Area Operator</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public abstract class AreaOperatorImpl extends AllocatableOperatorImpl implements AreaOperator {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AreaOperatorImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.AREA_OPERATOR;
+	}
+
+} // AreaOperatorImpl
diff --git a/rba.model.view/src/rba/view/impl/AreaSetImpl.java b/rba.model.view/src/rba/view/impl/AreaSetImpl.java
new file mode 100644
index 0000000..5c9f99e
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/AreaSetImpl.java
@@ -0,0 +1,57 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import rba.core.ExpressionType;
+import rba.core.impl.AllocatableSetImpl;
+import rba.view.AreaSet;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Area Set</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class AreaSetImpl extends AllocatableSetImpl implements AreaSet {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AreaSetImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.AREA_SET;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.SET_OF_AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.AREA_SET___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // AreaSetImpl
diff --git a/rba.model.view/src/rba/view/impl/CompositeAreaImpl.java b/rba.model.view/src/rba/view/impl/CompositeAreaImpl.java
new file mode 100644
index 0000000..a407823
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/CompositeAreaImpl.java
@@ -0,0 +1,214 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.PackagableElementImpl;
+import rba.view.Area;
+import rba.view.CompositeArea;
+import rba.view.LayoutManager;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Composite Area</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.CompositeAreaImpl#getLayout <em>Layout</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class CompositeAreaImpl extends PackagableElementImpl implements CompositeArea {
+	/**
+	 * The cached value of the '{@link #getLayout() <em>Layout</em>}' containment reference.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getLayout()
+	 * @generated
+	 * @ordered
+	 */
+	protected LayoutManager layout;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected CompositeAreaImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.COMPOSITE_AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LayoutManager getLayout() {
+		return layout;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetLayout(LayoutManager newLayout, NotificationChain msgs) {
+		LayoutManager oldLayout = layout;
+		layout = newLayout;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
+					RBAViewPackage.COMPOSITE_AREA__LAYOUT, oldLayout, newLayout);
+			if (msgs == null)
+				msgs = notification;
+			else
+				msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setLayout(LayoutManager newLayout) {
+		if (newLayout != layout) {
+			NotificationChain msgs = null;
+			if (layout != null)
+				msgs = ((InternalEObject) layout).eInverseRemove(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.COMPOSITE_AREA__LAYOUT, null, msgs);
+			if (newLayout != null)
+				msgs = ((InternalEObject) newLayout).eInverseAdd(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.COMPOSITE_AREA__LAYOUT, null, msgs);
+			msgs = basicSetLayout(newLayout, msgs);
+			if (msgs != null)
+				msgs.dispatch();
+		} else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.COMPOSITE_AREA__LAYOUT, newLayout,
+					newLayout));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Area> collectLeafArea() {
+		java.util.Set<Area> areas = new java.util.HashSet<Area>();
+		if (layout != null) {
+			areas.addAll(layout.collectLeafArea());
+		}
+
+		return new org.eclipse.emf.common.util.BasicEList<Area>(areas);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.AREA;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.COMPOSITE_AREA__LAYOUT:
+			return basicSetLayout(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.COMPOSITE_AREA__LAYOUT:
+			return getLayout();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.COMPOSITE_AREA__LAYOUT:
+			setLayout((LayoutManager) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.COMPOSITE_AREA__LAYOUT:
+			setLayout((LayoutManager) null);
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.COMPOSITE_AREA__LAYOUT:
+			return layout != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.COMPOSITE_AREA___COLLECT_LEAF_AREA:
+			return collectLeafArea();
+		case RBAViewPackage.COMPOSITE_AREA___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // CompositeAreaImpl
diff --git a/rba.model.view/src/rba/view/impl/DisplayImpl.java b/rba.model.view/src/rba/view/impl/DisplayImpl.java
new file mode 100644
index 0000000..353c46f
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/DisplayImpl.java
@@ -0,0 +1,240 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import rba.core.impl.PackagableElementImpl;
+import rba.view.CompositeArea;
+import rba.view.Display;
+import rba.view.RBAViewPackage;
+import rba.view.SizeIdentifier;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Display</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.DisplayImpl#getRoot <em>Root</em>}</li>
+ *   <li>{@link rba.view.impl.DisplayImpl#getSize <em>Size</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class DisplayImpl extends PackagableElementImpl implements Display {
+	/**
+	 * The cached value of the '{@link #getRoot() <em>Root</em>}' containment reference.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getRoot()
+	 * @generated
+	 * @ordered
+	 */
+	protected CompositeArea root;
+
+	/**
+	 * The cached value of the '{@link #getSize() <em>Size</em>}' containment reference.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getSize()
+	 * @generated
+	 * @ordered
+	 */
+	protected SizeIdentifier size;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected DisplayImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.DISPLAY;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompositeArea getRoot() {
+		return root;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetRoot(CompositeArea newRoot, NotificationChain msgs) {
+		CompositeArea oldRoot = root;
+		root = newRoot;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, RBAViewPackage.DISPLAY__ROOT,
+					oldRoot, newRoot);
+			if (msgs == null)
+				msgs = notification;
+			else
+				msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setRoot(CompositeArea newRoot) {
+		if (newRoot != root) {
+			NotificationChain msgs = null;
+			if (root != null)
+				msgs = ((InternalEObject) root).eInverseRemove(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.DISPLAY__ROOT, null, msgs);
+			if (newRoot != null)
+				msgs = ((InternalEObject) newRoot).eInverseAdd(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.DISPLAY__ROOT, null, msgs);
+			msgs = basicSetRoot(newRoot, msgs);
+			if (msgs != null)
+				msgs.dispatch();
+		} else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.DISPLAY__ROOT, newRoot, newRoot));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SizeIdentifier getSize() {
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetSize(SizeIdentifier newSize, NotificationChain msgs) {
+		SizeIdentifier oldSize = size;
+		size = newSize;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, RBAViewPackage.DISPLAY__SIZE,
+					oldSize, newSize);
+			if (msgs == null)
+				msgs = notification;
+			else
+				msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSize(SizeIdentifier newSize) {
+		if (newSize != size) {
+			NotificationChain msgs = null;
+			if (size != null)
+				msgs = ((InternalEObject) size).eInverseRemove(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.DISPLAY__SIZE, null, msgs);
+			if (newSize != null)
+				msgs = ((InternalEObject) newSize).eInverseAdd(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.DISPLAY__SIZE, null, msgs);
+			msgs = basicSetSize(newSize, msgs);
+			if (msgs != null)
+				msgs.dispatch();
+		} else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.DISPLAY__SIZE, newSize, newSize));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.DISPLAY__ROOT:
+			return basicSetRoot(null, msgs);
+		case RBAViewPackage.DISPLAY__SIZE:
+			return basicSetSize(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.DISPLAY__ROOT:
+			return getRoot();
+		case RBAViewPackage.DISPLAY__SIZE:
+			return getSize();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.DISPLAY__ROOT:
+			setRoot((CompositeArea) newValue);
+			return;
+		case RBAViewPackage.DISPLAY__SIZE:
+			setSize((SizeIdentifier) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.DISPLAY__ROOT:
+			setRoot((CompositeArea) null);
+			return;
+		case RBAViewPackage.DISPLAY__SIZE:
+			setSize((SizeIdentifier) null);
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.DISPLAY__ROOT:
+			return root != null;
+		case RBAViewPackage.DISPLAY__SIZE:
+			return size != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} // DisplayImpl
diff --git a/rba.model.view/src/rba/view/impl/DisplayingContentImpl.java b/rba.model.view/src/rba/view/impl/DisplayingContentImpl.java
new file mode 100644
index 0000000..d8178dd
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/DisplayingContentImpl.java
@@ -0,0 +1,70 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.view.DisplayingContent;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Displaying Content</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class DisplayingContentImpl extends AreaOperatorImpl implements DisplayingContent {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected DisplayingContentImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.DISPLAYING_CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getSymbol() {
+		return ".displayingContent()";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.DISPLAYING_CONTENT___GET_SYMBOL:
+			return getSymbol();
+		case RBAViewPackage.DISPLAYING_CONTENT___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // DisplayingContentImpl
diff --git a/rba.model.view/src/rba/view/impl/FixedPositionLayoutImpl.java b/rba.model.view/src/rba/view/impl/FixedPositionLayoutImpl.java
new file mode 100644
index 0000000..62eb041
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/FixedPositionLayoutImpl.java
@@ -0,0 +1,169 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import rba.view.Area;
+import rba.view.FixedPositionLayout;
+import rba.view.PositionContainer;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Fixed Position Layout</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.FixedPositionLayoutImpl#getSubAreaPosition <em>Sub Area Position</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class FixedPositionLayoutImpl extends LayoutManagerImpl implements FixedPositionLayout {
+	/**
+	 * The cached value of the '{@link #getSubAreaPosition() <em>Sub Area Position</em>}' containment reference list. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getSubAreaPosition()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<PositionContainer> subAreaPosition;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected FixedPositionLayoutImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.FIXED_POSITION_LAYOUT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<PositionContainer> getSubAreaPosition() {
+		if (subAreaPosition == null) {
+			subAreaPosition = new EObjectContainmentEList<PositionContainer>(PositionContainer.class, this,
+					RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION);
+		}
+		return subAreaPosition;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Area> collectLeafArea() {
+		java.util.Set<Area> areas = new java.util.HashSet<Area>();
+		for (PositionContainer pc : getSubAreaPosition()) {
+			areas.addAll(pc.getArea().collectLeafAllocatable().stream().map(allocatable -> (Area) allocatable)
+					.collect(java.util.stream.Collectors.toList()));
+		}
+		return new org.eclipse.emf.common.util.BasicEList<Area>(areas);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION:
+			return ((InternalEList<?>) getSubAreaPosition()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION:
+			return getSubAreaPosition();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION:
+			getSubAreaPosition().clear();
+			getSubAreaPosition().addAll((Collection<? extends PositionContainer>) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION:
+			getSubAreaPosition().clear();
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT__SUB_AREA_POSITION:
+			return subAreaPosition != null && !subAreaPosition.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.FIXED_POSITION_LAYOUT___COLLECT_LEAF_AREA:
+			return collectLeafArea();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // FixedPositionLayoutImpl
diff --git a/rba.model.view/src/rba/view/impl/HideLowerPriorityImpl.java b/rba.model.view/src/rba/view/impl/HideLowerPriorityImpl.java
new file mode 100644
index 0000000..94aa46c
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/HideLowerPriorityImpl.java
@@ -0,0 +1,192 @@
+/**

+ */

+package rba.view.impl;

+

+import java.lang.reflect.InvocationTargetException;

+

+import org.eclipse.emf.common.util.EList;

+import org.eclipse.emf.ecore.EClass;

+

+import rba.core.AndOperator;

+import rba.core.ContentValue;

+import rba.core.Expression;

+import rba.core.ExpressionType;

+import rba.core.ImpliesOperator;

+import rba.core.IsGreaterThanOperator;

+import rba.core.IsLowerThanOperator;

+import rba.core.Operator;

+import rba.core.RBACoreFactory;

+import rba.core.RBACorePackage;

+import rba.core.SugarExpression;

+import rba.core.SugarExpressionBase;

+import rba.core.impl.OperatorImpl;

+import rba.view.HideLowerPriority;

+import rba.view.IsHidden;

+import rba.view.RBAViewFactory;

+import rba.view.RBAViewPackage;

+

+/**

+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Hide Lower Priority</b></em>'. <!-- end-user-doc -->

+ *

+ * @generated

+ */

+public class HideLowerPriorityImpl extends OperatorImpl implements HideLowerPriority {

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	protected HideLowerPriorityImpl() {

+		super();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	protected EClass eStaticClass() {

+		return RBAViewPackage.Literals.HIDE_LOWER_PRIORITY;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getSymbol() {

+		return "HideLowerPriority";

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public ExpressionType getUnderlyingType() {

+		return ExpressionType.BOOLEAN;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getExpressionText() {

+		StringBuilder expressionText = new StringBuilder();

+		EList<rba.core.Expression> expressions = getOperand();

+		expressionText.append(getSymbol());

+		expressionText.append("(");

+		expressionText.append(expressions.size() > 0 ? expressions.get(0).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(",");

+		expressionText.append(expressions.size() > 1 ? expressions.get(1).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(")");

+		return expressionText.toString();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public boolean canExpand() {

+		return true;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated NOT

+	 */

+	public Expression getExpanded() {

+		AndOperator AND = RBACoreFactory.eINSTANCE.createAndOperator();

+		ImpliesOperator implies = RBACoreFactory.eINSTANCE.createImpliesOperator();

+		IsLowerThanOperator lowerThan = RBACoreFactory.eINSTANCE.createIsLowerThanOperator();

+		ContentValue contentValue1 = RBACoreFactory.eINSTANCE.createContentValue();

+		ContentValue contentValue2 = RBACoreFactory.eINSTANCE.createContentValue();

+		IsHidden hidden = RBAViewFactory.eINSTANCE.createIsHidden();

+		IsGreaterThanOperator greaterThan = RBACoreFactory.eINSTANCE.createIsGreaterThanOperator();

+

+		contentValue1.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		contentValue2.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		lowerThan.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(contentValue1));

+		lowerThan.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(contentValue2));

+		implies.getOperand().add(lowerThan);

+		hidden.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		implies.getOperand().add(hidden);

+		AND.getOperand().add(implies);

+

+		implies = RBACoreFactory.eINSTANCE.createImpliesOperator();

+		greaterThan.getOperand().add(contentValue1);

+		greaterThan.getOperand().add(contentValue2);

+		implies.getOperand().add(greaterThan);

+

+		hidden = RBAViewFactory.eINSTANCE.createIsHidden();

+		hidden.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		implies.getOperand().add(hidden);

+		AND.getOperand().add(implies);

+

+		return AND;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public int eDerivedOperationID(int baseOperationID, Class<?> baseClass) {

+		if (baseClass == Expression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.EXPRESSION___GET_UNDERLYING_TYPE:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___GET_UNDERLYING_TYPE;

+			case RBACorePackage.EXPRESSION___GET_EXPRESSION_TEXT:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___GET_EXPRESSION_TEXT;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == Operator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.OPERATOR___GET_SYMBOL:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___GET_SYMBOL;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == SugarExpression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION___CAN_EXPAND:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___CAN_EXPAND;

+			case RBACorePackage.SUGAR_EXPRESSION___GET_EXPANDED:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___GET_EXPANDED;

+			default:

+				return -1;

+			}

+		}

+		if (baseClass == SugarExpressionBase.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION_BASE___CAN_EXPAND:

+				return RBAViewPackage.HIDE_LOWER_PRIORITY___CAN_EXPAND;

+			default:

+				return -1;

+			}

+		}

+		return super.eDerivedOperationID(baseOperationID, baseClass);

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {

+		switch (operationID) {

+		case RBAViewPackage.HIDE_LOWER_PRIORITY___GET_SYMBOL:

+			return getSymbol();

+		case RBAViewPackage.HIDE_LOWER_PRIORITY___GET_UNDERLYING_TYPE:

+			return getUnderlyingType();

+		case RBAViewPackage.HIDE_LOWER_PRIORITY___GET_EXPRESSION_TEXT:

+			return getExpressionText();

+		case RBAViewPackage.HIDE_LOWER_PRIORITY___CAN_EXPAND:

+			return canExpand();

+		case RBAViewPackage.HIDE_LOWER_PRIORITY___GET_EXPANDED:

+			return getExpanded();

+		}

+		return super.eInvoke(operationID, arguments);

+	}

+

+} // HideLowerPriorityImpl

diff --git a/rba.model.view/src/rba/view/impl/HorizontalLayoutImpl.java b/rba.model.view/src/rba/view/impl/HorizontalLayoutImpl.java
new file mode 100644
index 0000000..4c01c55
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/HorizontalLayoutImpl.java
@@ -0,0 +1,33 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.view.HorizontalLayout;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Horizontal Layout</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class HorizontalLayoutImpl extends AlignedLayoutImpl implements HorizontalLayout {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected HorizontalLayoutImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.HORIZONTAL_LAYOUT;
+	}
+
+} // HorizontalLayoutImpl
diff --git a/rba.model.view/src/rba/view/impl/IsChangedDisplayImpl.java b/rba.model.view/src/rba/view/impl/IsChangedDisplayImpl.java
new file mode 100644
index 0000000..783999a
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsChangedDisplayImpl.java
@@ -0,0 +1,186 @@
+/**

+ */

+package rba.view.impl;

+

+import java.lang.reflect.InvocationTargetException;

+

+import org.eclipse.emf.common.util.EList;

+import org.eclipse.emf.ecore.EClass;

+

+import rba.core.AndOperator;

+import rba.core.Expression;

+import rba.core.ExpressionType;

+import rba.core.NotOperator;

+import rba.core.ObjectCompare;

+import rba.core.ObjectReference;

+import rba.core.Operator;

+import rba.core.OrOperator;

+import rba.core.PreviousModifier;

+import rba.core.RBACoreFactory;

+import rba.core.RBACorePackage;

+import rba.core.SugarExpression;

+import rba.core.SugarExpressionBase;

+import rba.view.DisplayingContent;

+import rba.view.IsChangedDisplay;

+import rba.view.IsDisplayed;

+import rba.view.RBAViewFactory;

+import rba.view.RBAViewPackage;

+

+/**

+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Changed Display</b></em>'. <!-- end-user-doc -->

+ *

+ * @generated

+ */

+public class IsChangedDisplayImpl extends AreaOperatorImpl implements IsChangedDisplay {

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	protected IsChangedDisplayImpl() {

+		super();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	protected EClass eStaticClass() {

+		return RBAViewPackage.Literals.IS_CHANGED_DISPLAY;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getSymbol() {

+		return ".isChangedDisplay()";

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public ExpressionType getUnderlyingType() {

+		return ExpressionType.BOOLEAN;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public boolean canExpand() {

+		return true;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated NOT

+	 */

+	public Expression getExpanded() {

+		OrOperator or = RBACoreFactory.eINSTANCE.createOrOperator();

+		NotOperator not = RBACoreFactory.eINSTANCE.createNotOperator();

+		ObjectCompare equal = RBACoreFactory.eINSTANCE.createObjectCompare();

+		DisplayingContent dispContent = RBAViewFactory.eINSTANCE.createDisplayingContent();

+		PreviousModifier pre = RBACoreFactory.eINSTANCE.createPreviousModifier();

+		OrOperator leftOr = RBACoreFactory.eINSTANCE.createOrOperator();

+		NotOperator leftnot = RBACoreFactory.eINSTANCE.createNotOperator();

+		AndOperator and = RBACoreFactory.eINSTANCE.createAndOperator();

+		IsDisplayed isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+

+		pre.setObjReference((ObjectReference) org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		dispContent.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(pre));

+		equal.getOperand().add(dispContent);

+		dispContent = RBAViewFactory.eINSTANCE.createDisplayingContent();

+		dispContent.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		equal.getOperand().add(dispContent);

+		not.getOperand().add(equal);

+

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(pre));

+		and.getOperand().add(isDisplayed);

+		isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		leftnot.getOperand().add(isDisplayed);

+		and.getOperand().add(leftnot);

+		leftOr.getOperand().add(and);

+

+		leftnot = RBACoreFactory.eINSTANCE.createNotOperator();

+		isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(pre));

+		leftnot.getOperand().add(isDisplayed);

+		isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		and = RBACoreFactory.eINSTANCE.createAndOperator();

+		and.getOperand().add(leftnot);

+		and.getOperand().add(isDisplayed);

+		leftOr.getOperand().add(and);

+

+		or.getOperand().add(not);

+		or.getOperand().add(leftOr);

+

+		return or;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public int eDerivedOperationID(int baseOperationID, Class<?> baseClass) {

+		if (baseClass == Expression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.EXPRESSION___GET_UNDERLYING_TYPE:

+				return RBAViewPackage.IS_CHANGED_DISPLAY___GET_UNDERLYING_TYPE;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == Operator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.OPERATOR___GET_SYMBOL:

+				return RBAViewPackage.IS_CHANGED_DISPLAY___GET_SYMBOL;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == SugarExpression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION___CAN_EXPAND:

+				return RBAViewPackage.IS_CHANGED_DISPLAY___CAN_EXPAND;

+			case RBACorePackage.SUGAR_EXPRESSION___GET_EXPANDED:

+				return RBAViewPackage.IS_CHANGED_DISPLAY___GET_EXPANDED;

+			default:

+				return -1;

+			}

+		}

+		if (baseClass == SugarExpressionBase.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION_BASE___CAN_EXPAND:

+				return RBAViewPackage.IS_CHANGED_DISPLAY___CAN_EXPAND;

+			default:

+				return -1;

+			}

+		}

+		return super.eDerivedOperationID(baseOperationID, baseClass);

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {

+		switch (operationID) {

+		case RBAViewPackage.IS_CHANGED_DISPLAY___GET_SYMBOL:

+			return getSymbol();

+		case RBAViewPackage.IS_CHANGED_DISPLAY___GET_UNDERLYING_TYPE:

+			return getUnderlyingType();

+		case RBAViewPackage.IS_CHANGED_DISPLAY___CAN_EXPAND:

+			return canExpand();

+		case RBAViewPackage.IS_CHANGED_DISPLAY___GET_EXPANDED:

+			return getExpanded();

+		}

+		return super.eInvoke(operationID, arguments);

+	}

+

+} // IsChangedDisplayImpl

diff --git a/rba.model.view/src/rba/view/impl/IsDisplayedImpl.java b/rba.model.view/src/rba/view/impl/IsDisplayedImpl.java
new file mode 100644
index 0000000..075cf1c
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsDisplayedImpl.java
@@ -0,0 +1,70 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.view.IsDisplayed;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Displayed</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class IsDisplayedImpl extends AreaOperatorImpl implements IsDisplayed {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IsDisplayedImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.IS_DISPLAYED;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getSymbol() {
+		return ".isDisplayed()";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.BOOLEAN;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.IS_DISPLAYED___GET_SYMBOL:
+			return getSymbol();
+		case RBAViewPackage.IS_DISPLAYED___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // IsDisplayedImpl
diff --git a/rba.model.view/src/rba/view/impl/IsDisplayedOnImpl.java b/rba.model.view/src/rba/view/impl/IsDisplayedOnImpl.java
new file mode 100644
index 0000000..e8e8ec0
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsDisplayedOnImpl.java
@@ -0,0 +1,191 @@
+/**

+ */

+package rba.view.impl;

+

+import java.lang.reflect.InvocationTargetException;

+

+import org.eclipse.emf.common.util.EList;

+import org.eclipse.emf.ecore.EClass;

+

+import rba.core.AndOperator;

+import rba.core.ContentOperator;

+import rba.core.Expression;

+import rba.core.ExpressionType;

+import rba.core.ObjectCompare;

+import rba.core.Operator;

+import rba.core.RBACoreFactory;

+import rba.core.RBACorePackage;

+import rba.core.SugarExpression;

+import rba.core.SugarExpressionBase;

+import rba.view.DisplayingContent;

+import rba.view.IsDisplayed;

+import rba.view.IsDisplayedOn;

+import rba.view.RBAViewFactory;

+import rba.view.RBAViewPackage;

+import rba.view.ViewContentOperator;

+

+/**

+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Displayed On</b></em>'. <!-- end-user-doc -->

+ *

+ * @generated

+ */

+public class IsDisplayedOnImpl extends ViewContentOperatorImpl implements IsDisplayedOn {

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	protected IsDisplayedOnImpl() {

+		super();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	protected EClass eStaticClass() {

+		return RBAViewPackage.Literals.IS_DISPLAYED_ON;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getSymbol() {

+		return ".isDisplayedOn";

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public ExpressionType getUnderlyingType() {

+		return ExpressionType.BOOLEAN;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getExpressionText() {

+		StringBuilder expressionText = new StringBuilder();

+		EList<rba.core.Expression> expressions = getOperand();

+		expressionText.append(expressions.size() > 0 ? expressions.get(0).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(getSymbol());

+		expressionText.append("(");

+		expressionText.append(expressions.size() > 1 ? expressions.get(1).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(")");

+		return expressionText.toString();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public boolean canExpand() {

+		return true;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated NOT

+	 */

+	public Expression getExpanded() {

+		AndOperator AND = RBACoreFactory.eINSTANCE.createAndOperator();

+		IsDisplayed isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		ObjectCompare equal = RBACoreFactory.eINSTANCE.createObjectCompare();

+		DisplayingContent dispContent = RBAViewFactory.eINSTANCE.createDisplayingContent();

+

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		dispContent.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		equal.getOperand().add(dispContent);

+		equal.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+

+		AND.getOperand().add(isDisplayed);

+		AND.getOperand().add(equal);

+		return AND;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public int eDerivedOperationID(int baseOperationID, Class<?> baseClass) {

+		if (baseClass == Expression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.EXPRESSION___GET_UNDERLYING_TYPE:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_UNDERLYING_TYPE;

+			case RBACorePackage.EXPRESSION___GET_EXPRESSION_TEXT:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_EXPRESSION_TEXT;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == Operator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.OPERATOR___GET_SYMBOL:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_SYMBOL;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == ContentOperator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.CONTENT_OPERATOR___GET_EXPRESSION_TEXT:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_EXPRESSION_TEXT;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == ViewContentOperator.class) {

+			switch (baseOperationID) {

+			case RBAViewPackage.VIEW_CONTENT_OPERATOR___GET_UNDERLYING_TYPE:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_UNDERLYING_TYPE;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == SugarExpression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION___CAN_EXPAND:

+				return RBAViewPackage.IS_DISPLAYED_ON___CAN_EXPAND;

+			case RBACorePackage.SUGAR_EXPRESSION___GET_EXPANDED:

+				return RBAViewPackage.IS_DISPLAYED_ON___GET_EXPANDED;

+			default:

+				return -1;

+			}

+		}

+		if (baseClass == SugarExpressionBase.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION_BASE___CAN_EXPAND:

+				return RBAViewPackage.IS_DISPLAYED_ON___CAN_EXPAND;

+			default:

+				return -1;

+			}

+		}

+		return super.eDerivedOperationID(baseOperationID, baseClass);

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {

+		switch (operationID) {

+		case RBAViewPackage.IS_DISPLAYED_ON___GET_SYMBOL:

+			return getSymbol();

+		case RBAViewPackage.IS_DISPLAYED_ON___GET_UNDERLYING_TYPE:

+			return getUnderlyingType();

+		case RBAViewPackage.IS_DISPLAYED_ON___GET_EXPRESSION_TEXT:

+			return getExpressionText();

+		case RBAViewPackage.IS_DISPLAYED_ON___CAN_EXPAND:

+			return canExpand();

+		case RBAViewPackage.IS_DISPLAYED_ON___GET_EXPANDED:

+			return getExpanded();

+		}

+		return super.eInvoke(operationID, arguments);

+	}

+

+} // IsDisplayedOnImpl

diff --git a/rba.model.view/src/rba/view/impl/IsHiddenImpl.java b/rba.model.view/src/rba/view/impl/IsHiddenImpl.java
new file mode 100644
index 0000000..293c6bf
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsHiddenImpl.java
@@ -0,0 +1,70 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.view.IsHidden;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Hidden</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class IsHiddenImpl extends AreaOperatorImpl implements IsHidden {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IsHiddenImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.IS_HIDDEN;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getSymbol() {
+		return ".isHidden()";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.BOOLEAN;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.IS_HIDDEN___GET_SYMBOL:
+			return getSymbol();
+		case RBAViewPackage.IS_HIDDEN___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // IsHiddenImpl
diff --git a/rba.model.view/src/rba/view/impl/IsTranslatedViewToImpl.java b/rba.model.view/src/rba/view/impl/IsTranslatedViewToImpl.java
new file mode 100644
index 0000000..66b5db0
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsTranslatedViewToImpl.java
@@ -0,0 +1,205 @@
+/**

+ */

+package rba.view.impl;

+

+import java.lang.reflect.InvocationTargetException;

+

+import org.eclipse.emf.common.util.EList;

+import org.eclipse.emf.ecore.EClass;

+

+import rba.core.AllocatableOperator;

+import rba.core.AndOperator;

+import rba.core.Expression;

+import rba.core.ExpressionType;

+import rba.core.NotOperator;

+import rba.core.ObjectCompare;

+import rba.core.ObjectReference;

+import rba.core.Operator;

+import rba.core.OrOperator;

+import rba.core.PreviousModifier;

+import rba.core.RBACoreFactory;

+import rba.core.RBACorePackage;

+import rba.core.SugarExpression;

+import rba.core.SugarExpressionBase;

+import rba.view.DisplayingContent;

+import rba.view.IsDisplayed;

+import rba.view.IsTranslatedViewTo;

+import rba.view.RBAViewFactory;

+import rba.view.RBAViewPackage;

+

+/**

+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Translated View To</b></em>'. <!-- end-user-doc -->

+ *

+ * @generated

+ */

+public class IsTranslatedViewToImpl extends AreaOperatorImpl implements IsTranslatedViewTo {

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	protected IsTranslatedViewToImpl() {

+		super();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	protected EClass eStaticClass() {

+		return RBAViewPackage.Literals.IS_TRANSLATED_VIEW_TO;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getSymbol() {

+		return ".isTranslatedViewTo";

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public ExpressionType getUnderlyingType() {

+		return ExpressionType.BOOLEAN;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public String getExpressionText() {

+		StringBuilder expressionText = new StringBuilder();

+		EList<rba.core.Expression> expressions = getOperand();

+		expressionText.append(expressions.size() > 0 ? expressions.get(0).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(getSymbol());

+		expressionText.append("(");

+		expressionText.append(expressions.size() > 1 ? expressions.get(1).getExpressionText() : "[Invalid_Expression]");

+		expressionText.append(")");

+		return expressionText.toString();

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	public boolean canExpand() {

+		return true;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated NOT

+	 */

+	public Expression getExpanded() {

+		AndOperator AND = RBACoreFactory.eINSTANCE.createAndOperator();

+		IsDisplayed isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		ObjectCompare equal = RBACoreFactory.eINSTANCE.createObjectCompare();

+		DisplayingContent dispContent = RBAViewFactory.eINSTANCE.createDisplayingContent();

+		PreviousModifier pre = RBACoreFactory.eINSTANCE.createPreviousModifier();

+		OrOperator or = RBACoreFactory.eINSTANCE.createOrOperator();

+		NotOperator not = RBACoreFactory.eINSTANCE.createNotOperator();

+

+		isDisplayed.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		AND.getOperand().add(isDisplayed);

+

+		dispContent.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		equal.getOperand().add(dispContent);

+		equal.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		AND.getOperand().add(equal);

+

+		pre.setObjReference((ObjectReference) org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(0)));

+		dispContent = RBAViewFactory.eINSTANCE.createDisplayingContent();

+		dispContent.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(pre));

+		equal = RBACoreFactory.eINSTANCE.createObjectCompare();

+		equal.getOperand().add(dispContent);

+		equal.getOperand().add(org.eclipse.emf.ecore.util.EcoreUtil.copy(getOperand().get(1)));

+		not.getOperand().add(equal);

+		or.getOperand().add(not);

+

+		isDisplayed = RBAViewFactory.eINSTANCE.createIsDisplayed();

+		isDisplayed.getOperand().add(pre);

+		not = RBACoreFactory.eINSTANCE.createNotOperator();

+		not.getOperand().add(isDisplayed);

+		or.getOperand().add(not);

+		AND.getOperand().add(or);

+		return AND;

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public int eDerivedOperationID(int baseOperationID, Class<?> baseClass) {

+		if (baseClass == Expression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.EXPRESSION___GET_UNDERLYING_TYPE:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_UNDERLYING_TYPE;

+			case RBACorePackage.EXPRESSION___GET_EXPRESSION_TEXT:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_EXPRESSION_TEXT;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == Operator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.OPERATOR___GET_SYMBOL:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_SYMBOL;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == AllocatableOperator.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.ALLOCATABLE_OPERATOR___GET_EXPRESSION_TEXT:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_EXPRESSION_TEXT;

+			default:

+				return super.eDerivedOperationID(baseOperationID, baseClass);

+			}

+		}

+		if (baseClass == SugarExpression.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION___CAN_EXPAND:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___CAN_EXPAND;

+			case RBACorePackage.SUGAR_EXPRESSION___GET_EXPANDED:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_EXPANDED;

+			default:

+				return -1;

+			}

+		}

+		if (baseClass == SugarExpressionBase.class) {

+			switch (baseOperationID) {

+			case RBACorePackage.SUGAR_EXPRESSION_BASE___CAN_EXPAND:

+				return RBAViewPackage.IS_TRANSLATED_VIEW_TO___CAN_EXPAND;

+			default:

+				return -1;

+			}

+		}

+		return super.eDerivedOperationID(baseOperationID, baseClass);

+	}

+

+	/**

+	 * <!-- begin-user-doc --> <!-- end-user-doc -->

+	 * @generated

+	 */

+	@Override

+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {

+		switch (operationID) {

+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_SYMBOL:

+			return getSymbol();

+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_UNDERLYING_TYPE:

+			return getUnderlyingType();

+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_EXPRESSION_TEXT:

+			return getExpressionText();

+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO___CAN_EXPAND:

+			return canExpand();

+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO___GET_EXPANDED:

+			return getExpanded();

+		}

+		return super.eInvoke(operationID, arguments);

+	}

+

+} // IsTranslatedViewToImpl

diff --git a/rba.model.view/src/rba/view/impl/IsVisibleImpl.java b/rba.model.view/src/rba/view/impl/IsVisibleImpl.java
new file mode 100644
index 0000000..9eee90e
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/IsVisibleImpl.java
@@ -0,0 +1,58 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.view.IsVisible;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Is Visible</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class IsVisibleImpl extends ViewContentOperatorImpl implements IsVisible {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IsVisibleImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.IS_VISIBLE;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getSymbol() {
+		return ".isVisible()";
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.IS_VISIBLE___GET_SYMBOL:
+			return getSymbol();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // IsVisibleImpl
diff --git a/rba.model.view/src/rba/view/impl/LayoutManagerImpl.java b/rba.model.view/src/rba/view/impl/LayoutManagerImpl.java
new file mode 100644
index 0000000..6859406
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/LayoutManagerImpl.java
@@ -0,0 +1,63 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import rba.view.Area;
+import rba.view.LayoutManager;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Layout Manager</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public abstract class LayoutManagerImpl extends MinimalEObjectImpl.Container implements LayoutManager {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LayoutManagerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.LAYOUT_MANAGER;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Area> collectLeafArea() {
+		// TODO: implement this method
+		// Ensure that you remove @generated or mark it @generated NOT
+		throw new UnsupportedOperationException();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.LAYOUT_MANAGER___COLLECT_LEAF_AREA:
+			return collectLeafArea();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // LayoutManagerImpl
diff --git a/rba.model.view/src/rba/view/impl/OffsetImpl.java b/rba.model.view/src/rba/view/impl/OffsetImpl.java
new file mode 100644
index 0000000..5a5575d
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/OffsetImpl.java
@@ -0,0 +1,355 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import rba.core.impl.PackagableElementImpl;
+
+import rba.view.Offset;
+import rba.view.RBAViewPackage;
+import rba.view.SizeReference;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Offset</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.OffsetImpl#getX <em>X</em>}</li>
+ *   <li>{@link rba.view.impl.OffsetImpl#getY <em>Y</em>}</li>
+ *   <li>{@link rba.view.impl.OffsetImpl#getSize <em>Size</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class OffsetImpl extends PackagableElementImpl implements Offset {
+	/**
+	 * The default value of the '{@link #getX() <em>X</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getX()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int X_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getX() <em>X</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getX()
+	 * @generated
+	 * @ordered
+	 */
+	protected int x = X_EDEFAULT;
+
+	/**
+	 * This is true if the X attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean xESet;
+
+	/**
+	 * The default value of the '{@link #getY() <em>Y</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getY()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int Y_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getY() <em>Y</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getY()
+	 * @generated
+	 * @ordered
+	 */
+	protected int y = Y_EDEFAULT;
+
+	/**
+	 * This is true if the Y attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean yESet;
+
+	/**
+	 * The cached value of the '{@link #getSize() <em>Size</em>}' containment reference.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getSize()
+	 * @generated
+	 * @ordered
+	 */
+	protected SizeReference size;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected OffsetImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.OFFSET;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getX() {
+		return x;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setX(int newX) {
+		int oldX = x;
+		x = newX;
+		boolean oldXESet = xESet;
+		xESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.OFFSET__X, oldX, x, !oldXESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetX() {
+		int oldX = x;
+		boolean oldXESet = xESet;
+		x = X_EDEFAULT;
+		xESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.OFFSET__X, oldX, X_EDEFAULT,
+					oldXESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetX() {
+		return xESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getY() {
+		return y;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setY(int newY) {
+		int oldY = y;
+		y = newY;
+		boolean oldYESet = yESet;
+		yESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.OFFSET__Y, oldY, y, !oldYESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetY() {
+		int oldY = y;
+		boolean oldYESet = yESet;
+		y = Y_EDEFAULT;
+		yESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.OFFSET__Y, oldY, Y_EDEFAULT,
+					oldYESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetY() {
+		return yESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SizeReference getSize() {
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetSize(SizeReference newSize, NotificationChain msgs) {
+		SizeReference oldSize = size;
+		size = newSize;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, RBAViewPackage.OFFSET__SIZE,
+					oldSize, newSize);
+			if (msgs == null)
+				msgs = notification;
+			else
+				msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSize(SizeReference newSize) {
+		if (newSize != size) {
+			NotificationChain msgs = null;
+			if (size != null)
+				msgs = ((InternalEObject) size).eInverseRemove(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.OFFSET__SIZE, null, msgs);
+			if (newSize != null)
+				msgs = ((InternalEObject) newSize).eInverseAdd(this,
+						EOPPOSITE_FEATURE_BASE - RBAViewPackage.OFFSET__SIZE, null, msgs);
+			msgs = basicSetSize(newSize, msgs);
+			if (msgs != null)
+				msgs.dispatch();
+		} else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.OFFSET__SIZE, newSize, newSize));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.OFFSET__SIZE:
+			return basicSetSize(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.OFFSET__X:
+			return getX();
+		case RBAViewPackage.OFFSET__Y:
+			return getY();
+		case RBAViewPackage.OFFSET__SIZE:
+			return getSize();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.OFFSET__X:
+			setX((Integer) newValue);
+			return;
+		case RBAViewPackage.OFFSET__Y:
+			setY((Integer) newValue);
+			return;
+		case RBAViewPackage.OFFSET__SIZE:
+			setSize((SizeReference) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.OFFSET__X:
+			unsetX();
+			return;
+		case RBAViewPackage.OFFSET__Y:
+			unsetY();
+			return;
+		case RBAViewPackage.OFFSET__SIZE:
+			setSize((SizeReference) null);
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.OFFSET__X:
+			return isSetX();
+		case RBAViewPackage.OFFSET__Y:
+			return isSetY();
+		case RBAViewPackage.OFFSET__SIZE:
+			return size != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy())
+			return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (x: ");
+		if (xESet)
+			result.append(x);
+		else
+			result.append("<unset>");
+		result.append(", y: ");
+		if (yESet)
+			result.append(y);
+		else
+			result.append("<unset>");
+		result.append(')');
+		return result.toString();
+	}
+
+} // OffsetImpl
diff --git a/rba.model.view/src/rba/view/impl/PositionContainerImpl.java b/rba.model.view/src/rba/view/impl/PositionContainerImpl.java
new file mode 100644
index 0000000..0b313c9
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/PositionContainerImpl.java
@@ -0,0 +1,443 @@
+/**
+ */
+package rba.view.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import rba.view.Area;
+import rba.view.BasePoint;
+import rba.view.Offset;
+import rba.view.PositionContainer;
+import rba.view.RBAViewPackage;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Position Container</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.PositionContainerImpl#getX <em>X</em>}</li>
+ *   <li>{@link rba.view.impl.PositionContainerImpl#getY <em>Y</em>}</li>
+ *   <li>{@link rba.view.impl.PositionContainerImpl#getBasePoint <em>Base Point</em>}</li>
+ *   <li>{@link rba.view.impl.PositionContainerImpl#getArea <em>Area</em>}</li>
+ *   <li>{@link rba.view.impl.PositionContainerImpl#getOffset <em>Offset</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PositionContainerImpl extends MinimalEObjectImpl.Container implements PositionContainer {
+	/**
+	 * The default value of the '{@link #getX() <em>X</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getX()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int X_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getX() <em>X</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getX()
+	 * @generated
+	 * @ordered
+	 */
+	protected int x = X_EDEFAULT;
+
+	/**
+	 * This is true if the X attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean xESet;
+
+	/**
+	 * The default value of the '{@link #getY() <em>Y</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getY()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int Y_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getY() <em>Y</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getY()
+	 * @generated
+	 * @ordered
+	 */
+	protected int y = Y_EDEFAULT;
+
+	/**
+	 * This is true if the Y attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean yESet;
+
+	/**
+	 * The default value of the '{@link #getBasePoint() <em>Base Point</em>}' attribute.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getBasePoint()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final BasePoint BASE_POINT_EDEFAULT = BasePoint.LEFT_TOP;
+
+	/**
+	 * The cached value of the '{@link #getBasePoint() <em>Base Point</em>}' attribute.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getBasePoint()
+	 * @generated
+	 * @ordered
+	 */
+	protected BasePoint basePoint = BASE_POINT_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getArea() <em>Area</em>}' reference.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getArea()
+	 * @generated
+	 * @ordered
+	 */
+	protected Area area;
+
+	/**
+	 * The cached value of the '{@link #getOffset() <em>Offset</em>}' containment reference list.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getOffset()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Offset> offset;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected PositionContainerImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.POSITION_CONTAINER;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getX() {
+		return x;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setX(int newX) {
+		int oldX = x;
+		x = newX;
+		boolean oldXESet = xESet;
+		xESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.POSITION_CONTAINER__X, oldX, x,
+					!oldXESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetX() {
+		int oldX = x;
+		boolean oldXESet = xESet;
+		x = X_EDEFAULT;
+		xESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.POSITION_CONTAINER__X, oldX,
+					X_EDEFAULT, oldXESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetX() {
+		return xESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getY() {
+		return y;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setY(int newY) {
+		int oldY = y;
+		y = newY;
+		boolean oldYESet = yESet;
+		yESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.POSITION_CONTAINER__Y, oldY, y,
+					!oldYESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetY() {
+		int oldY = y;
+		boolean oldYESet = yESet;
+		y = Y_EDEFAULT;
+		yESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.POSITION_CONTAINER__Y, oldY,
+					Y_EDEFAULT, oldYESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetY() {
+		return yESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BasePoint getBasePoint() {
+		return basePoint;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setBasePoint(BasePoint newBasePoint) {
+		BasePoint oldBasePoint = basePoint;
+		basePoint = newBasePoint == null ? BASE_POINT_EDEFAULT : newBasePoint;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.POSITION_CONTAINER__BASE_POINT,
+					oldBasePoint, basePoint));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Area getArea() {
+		if (area != null && area.eIsProxy()) {
+			InternalEObject oldArea = (InternalEObject) area;
+			area = (Area) eResolveProxy(oldArea);
+			if (area != oldArea) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, RBAViewPackage.POSITION_CONTAINER__AREA,
+							oldArea, area));
+			}
+		}
+		return area;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Area basicGetArea() {
+		return area;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setArea(Area newArea) {
+		Area oldArea = area;
+		area = newArea;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.POSITION_CONTAINER__AREA, oldArea,
+					area));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Offset> getOffset() {
+		if (offset == null) {
+			offset = new EObjectContainmentEList<Offset>(Offset.class, this, RBAViewPackage.POSITION_CONTAINER__OFFSET);
+		}
+		return offset;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.POSITION_CONTAINER__OFFSET:
+			return ((InternalEList<?>) getOffset()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.POSITION_CONTAINER__X:
+			return getX();
+		case RBAViewPackage.POSITION_CONTAINER__Y:
+			return getY();
+		case RBAViewPackage.POSITION_CONTAINER__BASE_POINT:
+			return getBasePoint();
+		case RBAViewPackage.POSITION_CONTAINER__AREA:
+			if (resolve)
+				return getArea();
+			return basicGetArea();
+		case RBAViewPackage.POSITION_CONTAINER__OFFSET:
+			return getOffset();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.POSITION_CONTAINER__X:
+			setX((Integer) newValue);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__Y:
+			setY((Integer) newValue);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__BASE_POINT:
+			setBasePoint((BasePoint) newValue);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__AREA:
+			setArea((Area) newValue);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__OFFSET:
+			getOffset().clear();
+			getOffset().addAll((Collection<? extends Offset>) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.POSITION_CONTAINER__X:
+			unsetX();
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__Y:
+			unsetY();
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__BASE_POINT:
+			setBasePoint(BASE_POINT_EDEFAULT);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__AREA:
+			setArea((Area) null);
+			return;
+		case RBAViewPackage.POSITION_CONTAINER__OFFSET:
+			getOffset().clear();
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.POSITION_CONTAINER__X:
+			return isSetX();
+		case RBAViewPackage.POSITION_CONTAINER__Y:
+			return isSetY();
+		case RBAViewPackage.POSITION_CONTAINER__BASE_POINT:
+			return basePoint != BASE_POINT_EDEFAULT;
+		case RBAViewPackage.POSITION_CONTAINER__AREA:
+			return area != null;
+		case RBAViewPackage.POSITION_CONTAINER__OFFSET:
+			return offset != null && !offset.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy())
+			return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (x: ");
+		if (xESet)
+			result.append(x);
+		else
+			result.append("<unset>");
+		result.append(", y: ");
+		if (yESet)
+			result.append(y);
+		else
+			result.append("<unset>");
+		result.append(", basePoint: ");
+		result.append(basePoint);
+		result.append(')');
+		return result.toString();
+	}
+
+} // PositionContainerImpl
diff --git a/rba.model.view/src/rba/view/impl/RBAViewFactoryImpl.java b/rba.model.view/src/rba/view/impl/RBAViewFactoryImpl.java
new file mode 100644
index 0000000..ee41c60
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/RBAViewFactoryImpl.java
@@ -0,0 +1,390 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+import rba.view.*;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model <b>Factory</b>. <!-- end-user-doc -->
+ * @generated
+ */
+public class RBAViewFactoryImpl extends EFactoryImpl implements RBAViewFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static RBAViewFactory init() {
+		try {
+			RBAViewFactory theRBAViewFactory = (RBAViewFactory) EPackage.Registry.INSTANCE
+					.getEFactory(RBAViewPackage.eNS_URI);
+			if (theRBAViewFactory != null) {
+				return theRBAViewFactory;
+			}
+		} catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new RBAViewFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RBAViewFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+		case RBAViewPackage.VIEW_CONTENT:
+			return createViewContent();
+		case RBAViewPackage.VIEW_CONTENT_SET:
+			return createViewContentSet();
+		case RBAViewPackage.VIEW_CONTENT_STATE:
+			return createViewContentState();
+		case RBAViewPackage.VERTICAL_LAYOUT:
+			return createVerticalLayout();
+		case RBAViewPackage.HORIZONTAL_LAYOUT:
+			return createHorizontalLayout();
+		case RBAViewPackage.FIXED_POSITION_LAYOUT:
+			return createFixedPositionLayout();
+		case RBAViewPackage.POSITION_CONTAINER:
+			return createPositionContainer();
+		case RBAViewPackage.DISPLAY:
+			return createDisplay();
+		case RBAViewPackage.COMPOSITE_AREA:
+			return createCompositeArea();
+		case RBAViewPackage.AREA:
+			return createArea();
+		case RBAViewPackage.AREA_SET:
+			return createAreaSet();
+		case RBAViewPackage.SIZE:
+			return createSize();
+		case RBAViewPackage.SIZE_REFERENCE:
+			return createSizeReference();
+		case RBAViewPackage.OFFSET:
+			return createOffset();
+		case RBAViewPackage.IS_DISPLAYED:
+			return createIsDisplayed();
+		case RBAViewPackage.DISPLAYING_CONTENT:
+			return createDisplayingContent();
+		case RBAViewPackage.IS_HIDDEN:
+			return createIsHidden();
+		case RBAViewPackage.IS_VISIBLE:
+			return createIsVisible();
+		case RBAViewPackage.ALL_INSTANCE_OF_AREA:
+			return createAllInstanceOfArea();
+		case RBAViewPackage.ALL_INSTANCE_OF_VIEW_CONTENT:
+			return createAllInstanceOfViewContent();
+		case RBAViewPackage.IS_DISPLAYED_ON:
+			return createIsDisplayedOn();
+		case RBAViewPackage.IS_CHANGED_DISPLAY:
+			return createIsChangedDisplay();
+		case RBAViewPackage.IS_TRANSLATED_VIEW_TO:
+			return createIsTranslatedViewTo();
+		case RBAViewPackage.HIDE_LOWER_PRIORITY:
+			return createHideLowerPriority();
+		default:
+			throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object createFromString(EDataType eDataType, String initialValue) {
+		switch (eDataType.getClassifierID()) {
+		case RBAViewPackage.BASE_POINT:
+			return createBasePointFromString(eDataType, initialValue);
+		default:
+			throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String convertToString(EDataType eDataType, Object instanceValue) {
+		switch (eDataType.getClassifierID()) {
+		case RBAViewPackage.BASE_POINT:
+			return convertBasePointToString(eDataType, instanceValue);
+		default:
+			throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ViewContent createViewContent() {
+		ViewContentImpl viewContent = new ViewContentImpl();
+		return viewContent;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ViewContentSet createViewContentSet() {
+		ViewContentSetImpl viewContentSet = new ViewContentSetImpl();
+		return viewContentSet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ViewContentState createViewContentState() {
+		ViewContentStateImpl viewContentState = new ViewContentStateImpl();
+		return viewContentState;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public VerticalLayout createVerticalLayout() {
+		VerticalLayoutImpl verticalLayout = new VerticalLayoutImpl();
+		return verticalLayout;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public HorizontalLayout createHorizontalLayout() {
+		HorizontalLayoutImpl horizontalLayout = new HorizontalLayoutImpl();
+		return horizontalLayout;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public FixedPositionLayout createFixedPositionLayout() {
+		FixedPositionLayoutImpl fixedPositionLayout = new FixedPositionLayoutImpl();
+		return fixedPositionLayout;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public PositionContainer createPositionContainer() {
+		PositionContainerImpl positionContainer = new PositionContainerImpl();
+		return positionContainer;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Display createDisplay() {
+		DisplayImpl display = new DisplayImpl();
+		return display;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompositeArea createCompositeArea() {
+		CompositeAreaImpl compositeArea = new CompositeAreaImpl();
+		return compositeArea;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Area createArea() {
+		AreaImpl area = new AreaImpl();
+		return area;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AreaSet createAreaSet() {
+		AreaSetImpl areaSet = new AreaSetImpl();
+		return areaSet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Size createSize() {
+		SizeImpl size = new SizeImpl();
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public SizeReference createSizeReference() {
+		SizeReferenceImpl sizeReference = new SizeReferenceImpl();
+		return sizeReference;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Offset createOffset() {
+		OffsetImpl offset = new OffsetImpl();
+		return offset;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsDisplayed createIsDisplayed() {
+		IsDisplayedImpl isDisplayed = new IsDisplayedImpl();
+		return isDisplayed;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public DisplayingContent createDisplayingContent() {
+		DisplayingContentImpl displayingContent = new DisplayingContentImpl();
+		return displayingContent;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsHidden createIsHidden() {
+		IsHiddenImpl isHidden = new IsHiddenImpl();
+		return isHidden;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsVisible createIsVisible() {
+		IsVisibleImpl isVisible = new IsVisibleImpl();
+		return isVisible;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AllInstanceOfArea createAllInstanceOfArea() {
+		AllInstanceOfAreaImpl allInstanceOfArea = new AllInstanceOfAreaImpl();
+		return allInstanceOfArea;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AllInstanceOfViewContent createAllInstanceOfViewContent() {
+		AllInstanceOfViewContentImpl allInstanceOfViewContent = new AllInstanceOfViewContentImpl();
+		return allInstanceOfViewContent;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsDisplayedOn createIsDisplayedOn() {
+		IsDisplayedOnImpl isDisplayedOn = new IsDisplayedOnImpl();
+		return isDisplayedOn;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsChangedDisplay createIsChangedDisplay() {
+		IsChangedDisplayImpl isChangedDisplay = new IsChangedDisplayImpl();
+		return isChangedDisplay;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IsTranslatedViewTo createIsTranslatedViewTo() {
+		IsTranslatedViewToImpl isTranslatedViewTo = new IsTranslatedViewToImpl();
+		return isTranslatedViewTo;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public HideLowerPriority createHideLowerPriority() {
+		HideLowerPriorityImpl hideLowerPriority = new HideLowerPriorityImpl();
+		return hideLowerPriority;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BasePoint createBasePointFromString(EDataType eDataType, String initialValue) {
+		BasePoint result = BasePoint.get(initialValue);
+		if (result == null)
+			throw new IllegalArgumentException(
+					"The value '" + initialValue + "' is not a valid enumerator of '" + eDataType.getName() + "'");
+		return result;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String convertBasePointToString(EDataType eDataType, Object instanceValue) {
+		return instanceValue == null ? null : instanceValue.toString();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RBAViewPackage getRBAViewPackage() {
+		return (RBAViewPackage) getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static RBAViewPackage getPackage() {
+		return RBAViewPackage.eINSTANCE;
+	}
+
+} // RBAViewFactoryImpl
diff --git a/rba.model.view/src/rba/view/impl/RBAViewPackageImpl.java b/rba.model.view/src/rba/view/impl/RBAViewPackageImpl.java
new file mode 100644
index 0000000..3552e11
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/RBAViewPackageImpl.java
@@ -0,0 +1,1430 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EEnum;
+import org.eclipse.emf.ecore.EOperation;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+import rba.core.RBACorePackage;
+import rba.view.AlignedLayout;
+import rba.view.AllInstanceOfArea;
+import rba.view.AllInstanceOfViewContent;
+import rba.view.Area;
+import rba.view.AreaOperator;
+import rba.view.AreaSet;
+import rba.view.BasePoint;
+import rba.view.CompositeArea;
+import rba.view.Display;
+import rba.view.DisplayingContent;
+import rba.view.FixedPositionLayout;
+import rba.view.HideLowerPriority;
+import rba.view.HorizontalLayout;
+import rba.view.IsChangedDisplay;
+import rba.view.IsDisplayed;
+import rba.view.IsDisplayedOn;
+import rba.view.IsHidden;
+import rba.view.IsTranslatedViewTo;
+import rba.view.IsVisible;
+import rba.view.LayoutManager;
+import rba.view.Offset;
+import rba.view.PositionContainer;
+import rba.view.RBAViewFactory;
+import rba.view.RBAViewPackage;
+import rba.view.Size;
+import rba.view.SizeIdentifier;
+import rba.view.SizeReference;
+import rba.view.VerticalLayout;
+import rba.view.ViewContent;
+import rba.view.ViewContentOperator;
+import rba.view.ViewContentSet;
+import rba.view.ViewContentState;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model <b>Package</b>. <!-- end-user-doc -->
+ * @generated
+ */
+public class RBAViewPackageImpl extends EPackageImpl implements RBAViewPackage {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass viewContentEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass viewContentSetEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass viewContentStateEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass layoutManagerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass alignedLayoutEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass verticalLayoutEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass horizontalLayoutEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass fixedPositionLayoutEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass positionContainerEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass displayEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass compositeAreaEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass areaEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass areaSetEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass sizeIdentifierEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass sizeEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass sizeReferenceEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass offsetEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass areaOperatorEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isDisplayedEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass displayingContentEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isHiddenEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass viewContentOperatorEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isVisibleEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass allInstanceOfAreaEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass allInstanceOfViewContentEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isDisplayedOnEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isChangedDisplayEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass isTranslatedViewToEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass hideLowerPriorityEClass = null;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EEnum basePointEEnum = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see rba.view.RBAViewPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private RBAViewPackageImpl() {
+		super(eNS_URI, RBAViewFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link RBAViewPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static RBAViewPackage init() {
+		if (isInited)
+			return (RBAViewPackage) EPackage.Registry.INSTANCE.getEPackage(RBAViewPackage.eNS_URI);
+
+		// Obtain or create and register package
+		RBAViewPackageImpl theRBAViewPackage = (RBAViewPackageImpl) (EPackage.Registry.INSTANCE
+				.get(eNS_URI) instanceof RBAViewPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI)
+						: new RBAViewPackageImpl());
+
+		isInited = true;
+
+		// Initialize simple dependencies
+		RBACorePackage.eINSTANCE.eClass();
+
+		// Create package meta-data objects
+		theRBAViewPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theRBAViewPackage.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		theRBAViewPackage.freeze();
+
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(RBAViewPackage.eNS_URI, theRBAViewPackage);
+		return theRBAViewPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getViewContent() {
+		return viewContentEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getViewContent_Size() {
+		return (EReference) viewContentEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getViewContent__GetExpressionType() {
+		return viewContentEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getViewContentSet() {
+		return viewContentSetEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getViewContentSet__GetExpressionType() {
+		return viewContentSetEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getViewContentState() {
+		return viewContentStateEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getViewContentState__GetExpressionType() {
+		return viewContentStateEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getLayoutManager() {
+		return layoutManagerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getLayoutManager__CollectLeafArea() {
+		return layoutManagerEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAlignedLayout() {
+		return alignedLayoutEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getAlignedLayout_Subarea() {
+		return (EReference) alignedLayoutEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getAlignedLayout_BasePoint() {
+		return (EAttribute) alignedLayoutEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAlignedLayout__CollectLeafArea() {
+		return alignedLayoutEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getVerticalLayout() {
+		return verticalLayoutEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getHorizontalLayout() {
+		return horizontalLayoutEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getFixedPositionLayout() {
+		return fixedPositionLayoutEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getFixedPositionLayout_SubAreaPosition() {
+		return (EReference) fixedPositionLayoutEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getFixedPositionLayout__CollectLeafArea() {
+		return fixedPositionLayoutEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getPositionContainer() {
+		return positionContainerEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getPositionContainer_X() {
+		return (EAttribute) positionContainerEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getPositionContainer_Y() {
+		return (EAttribute) positionContainerEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getPositionContainer_BasePoint() {
+		return (EAttribute) positionContainerEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getPositionContainer_Area() {
+		return (EReference) positionContainerEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getPositionContainer_Offset() {
+		return (EReference) positionContainerEClass.getEStructuralFeatures().get(4);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getDisplay() {
+		return displayEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getDisplay_Root() {
+		return (EReference) displayEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getDisplay_Size() {
+		return (EReference) displayEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getCompositeArea() {
+		return compositeAreaEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getCompositeArea_Layout() {
+		return (EReference) compositeAreaEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getCompositeArea__CollectLeafArea() {
+		return compositeAreaEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getCompositeArea__GetExpressionType() {
+		return compositeAreaEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getArea() {
+		return areaEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getArea_Zorder() {
+		return (EReference) areaEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getArea_Size() {
+		return (EReference) areaEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getArea__GetExpressionType() {
+		return areaEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAreaSet() {
+		return areaSetEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAreaSet__GetExpressionType() {
+		return areaSetEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getSizeIdentifier() {
+		return sizeIdentifierEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getSize() {
+		return sizeEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getSize_Width() {
+		return (EAttribute) sizeEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getSize_Height() {
+		return (EAttribute) sizeEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getSizeReference() {
+		return sizeReferenceEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getSizeReference_Size() {
+		return (EReference) sizeReferenceEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getOffset() {
+		return offsetEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getOffset_X() {
+		return (EAttribute) offsetEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getOffset_Y() {
+		return (EAttribute) offsetEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getOffset_Size() {
+		return (EReference) offsetEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAreaOperator() {
+		return areaOperatorEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsDisplayed() {
+		return isDisplayedEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsDisplayed__GetSymbol() {
+		return isDisplayedEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsDisplayed__GetUnderlyingType() {
+		return isDisplayedEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getDisplayingContent() {
+		return displayingContentEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getDisplayingContent__GetSymbol() {
+		return displayingContentEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getDisplayingContent__GetUnderlyingType() {
+		return displayingContentEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsHidden() {
+		return isHiddenEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsHidden__GetSymbol() {
+		return isHiddenEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsHidden__GetUnderlyingType() {
+		return isHiddenEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getViewContentOperator() {
+		return viewContentOperatorEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getViewContentOperator__GetUnderlyingType() {
+		return viewContentOperatorEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsVisible() {
+		return isVisibleEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsVisible__GetSymbol() {
+		return isVisibleEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAllInstanceOfArea() {
+		return allInstanceOfAreaEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAllInstanceOfArea__GetExpressionText() {
+		return allInstanceOfAreaEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAllInstanceOfArea__GetUnderlyingType() {
+		return allInstanceOfAreaEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAllInstanceOfViewContent() {
+		return allInstanceOfViewContentEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAllInstanceOfViewContent__GetExpressionText() {
+		return allInstanceOfViewContentEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getAllInstanceOfViewContent__GetUnderlyingType() {
+		return allInstanceOfViewContentEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsDisplayedOn() {
+		return isDisplayedOnEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsDisplayedOn__GetSymbol() {
+		return isDisplayedOnEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsDisplayedOn__GetUnderlyingType() {
+		return isDisplayedOnEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsDisplayedOn__GetExpressionText() {
+		return isDisplayedOnEClass.getEOperations().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsChangedDisplay() {
+		return isChangedDisplayEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsChangedDisplay__GetSymbol() {
+		return isChangedDisplayEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsChangedDisplay__GetUnderlyingType() {
+		return isChangedDisplayEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getIsTranslatedViewTo() {
+		return isTranslatedViewToEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsTranslatedViewTo__GetSymbol() {
+		return isTranslatedViewToEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsTranslatedViewTo__GetUnderlyingType() {
+		return isTranslatedViewToEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getIsTranslatedViewTo__GetExpressionText() {
+		return isTranslatedViewToEClass.getEOperations().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getHideLowerPriority() {
+		return hideLowerPriorityEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getHideLowerPriority__GetSymbol() {
+		return hideLowerPriorityEClass.getEOperations().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getHideLowerPriority__GetUnderlyingType() {
+		return hideLowerPriorityEClass.getEOperations().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EOperation getHideLowerPriority__GetExpressionText() {
+		return hideLowerPriorityEClass.getEOperations().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EEnum getBasePoint() {
+		return basePointEEnum;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public RBAViewFactory getRBAViewFactory() {
+		return (RBAViewFactory) getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated)
+			return;
+		isCreated = true;
+
+		// Create classes and their features
+		viewContentEClass = createEClass(VIEW_CONTENT);
+		createEReference(viewContentEClass, VIEW_CONTENT__SIZE);
+		createEOperation(viewContentEClass, VIEW_CONTENT___GET_EXPRESSION_TYPE);
+
+		viewContentSetEClass = createEClass(VIEW_CONTENT_SET);
+		createEOperation(viewContentSetEClass, VIEW_CONTENT_SET___GET_EXPRESSION_TYPE);
+
+		viewContentStateEClass = createEClass(VIEW_CONTENT_STATE);
+		createEOperation(viewContentStateEClass, VIEW_CONTENT_STATE___GET_EXPRESSION_TYPE);
+
+		layoutManagerEClass = createEClass(LAYOUT_MANAGER);
+		createEOperation(layoutManagerEClass, LAYOUT_MANAGER___COLLECT_LEAF_AREA);
+
+		alignedLayoutEClass = createEClass(ALIGNED_LAYOUT);
+		createEReference(alignedLayoutEClass, ALIGNED_LAYOUT__SUBAREA);
+		createEAttribute(alignedLayoutEClass, ALIGNED_LAYOUT__BASE_POINT);
+		createEOperation(alignedLayoutEClass, ALIGNED_LAYOUT___COLLECT_LEAF_AREA);
+
+		verticalLayoutEClass = createEClass(VERTICAL_LAYOUT);
+
+		horizontalLayoutEClass = createEClass(HORIZONTAL_LAYOUT);
+
+		fixedPositionLayoutEClass = createEClass(FIXED_POSITION_LAYOUT);
+		createEReference(fixedPositionLayoutEClass, FIXED_POSITION_LAYOUT__SUB_AREA_POSITION);
+		createEOperation(fixedPositionLayoutEClass, FIXED_POSITION_LAYOUT___COLLECT_LEAF_AREA);
+
+		positionContainerEClass = createEClass(POSITION_CONTAINER);
+		createEAttribute(positionContainerEClass, POSITION_CONTAINER__X);
+		createEAttribute(positionContainerEClass, POSITION_CONTAINER__Y);
+		createEAttribute(positionContainerEClass, POSITION_CONTAINER__BASE_POINT);
+		createEReference(positionContainerEClass, POSITION_CONTAINER__AREA);
+		createEReference(positionContainerEClass, POSITION_CONTAINER__OFFSET);
+
+		displayEClass = createEClass(DISPLAY);
+		createEReference(displayEClass, DISPLAY__ROOT);
+		createEReference(displayEClass, DISPLAY__SIZE);
+
+		compositeAreaEClass = createEClass(COMPOSITE_AREA);
+		createEReference(compositeAreaEClass, COMPOSITE_AREA__LAYOUT);
+		createEOperation(compositeAreaEClass, COMPOSITE_AREA___COLLECT_LEAF_AREA);
+		createEOperation(compositeAreaEClass, COMPOSITE_AREA___GET_EXPRESSION_TYPE);
+
+		areaEClass = createEClass(AREA);
+		createEReference(areaEClass, AREA__ZORDER);
+		createEReference(areaEClass, AREA__SIZE);
+		createEOperation(areaEClass, AREA___GET_EXPRESSION_TYPE);
+
+		areaSetEClass = createEClass(AREA_SET);
+		createEOperation(areaSetEClass, AREA_SET___GET_EXPRESSION_TYPE);
+
+		sizeIdentifierEClass = createEClass(SIZE_IDENTIFIER);
+
+		sizeEClass = createEClass(SIZE);
+		createEAttribute(sizeEClass, SIZE__WIDTH);
+		createEAttribute(sizeEClass, SIZE__HEIGHT);
+
+		sizeReferenceEClass = createEClass(SIZE_REFERENCE);
+		createEReference(sizeReferenceEClass, SIZE_REFERENCE__SIZE);
+
+		offsetEClass = createEClass(OFFSET);
+		createEAttribute(offsetEClass, OFFSET__X);
+		createEAttribute(offsetEClass, OFFSET__Y);
+		createEReference(offsetEClass, OFFSET__SIZE);
+
+		areaOperatorEClass = createEClass(AREA_OPERATOR);
+
+		isDisplayedEClass = createEClass(IS_DISPLAYED);
+		createEOperation(isDisplayedEClass, IS_DISPLAYED___GET_SYMBOL);
+		createEOperation(isDisplayedEClass, IS_DISPLAYED___GET_UNDERLYING_TYPE);
+
+		displayingContentEClass = createEClass(DISPLAYING_CONTENT);
+		createEOperation(displayingContentEClass, DISPLAYING_CONTENT___GET_SYMBOL);
+		createEOperation(displayingContentEClass, DISPLAYING_CONTENT___GET_UNDERLYING_TYPE);
+
+		isHiddenEClass = createEClass(IS_HIDDEN);
+		createEOperation(isHiddenEClass, IS_HIDDEN___GET_SYMBOL);
+		createEOperation(isHiddenEClass, IS_HIDDEN___GET_UNDERLYING_TYPE);
+
+		viewContentOperatorEClass = createEClass(VIEW_CONTENT_OPERATOR);
+		createEOperation(viewContentOperatorEClass, VIEW_CONTENT_OPERATOR___GET_UNDERLYING_TYPE);
+
+		isVisibleEClass = createEClass(IS_VISIBLE);
+		createEOperation(isVisibleEClass, IS_VISIBLE___GET_SYMBOL);
+
+		allInstanceOfAreaEClass = createEClass(ALL_INSTANCE_OF_AREA);
+		createEOperation(allInstanceOfAreaEClass, ALL_INSTANCE_OF_AREA___GET_EXPRESSION_TEXT);
+		createEOperation(allInstanceOfAreaEClass, ALL_INSTANCE_OF_AREA___GET_UNDERLYING_TYPE);
+
+		allInstanceOfViewContentEClass = createEClass(ALL_INSTANCE_OF_VIEW_CONTENT);
+		createEOperation(allInstanceOfViewContentEClass, ALL_INSTANCE_OF_VIEW_CONTENT___GET_EXPRESSION_TEXT);
+		createEOperation(allInstanceOfViewContentEClass, ALL_INSTANCE_OF_VIEW_CONTENT___GET_UNDERLYING_TYPE);
+
+		isDisplayedOnEClass = createEClass(IS_DISPLAYED_ON);
+		createEOperation(isDisplayedOnEClass, IS_DISPLAYED_ON___GET_SYMBOL);
+		createEOperation(isDisplayedOnEClass, IS_DISPLAYED_ON___GET_UNDERLYING_TYPE);
+		createEOperation(isDisplayedOnEClass, IS_DISPLAYED_ON___GET_EXPRESSION_TEXT);
+
+		isChangedDisplayEClass = createEClass(IS_CHANGED_DISPLAY);
+		createEOperation(isChangedDisplayEClass, IS_CHANGED_DISPLAY___GET_SYMBOL);
+		createEOperation(isChangedDisplayEClass, IS_CHANGED_DISPLAY___GET_UNDERLYING_TYPE);
+
+		isTranslatedViewToEClass = createEClass(IS_TRANSLATED_VIEW_TO);
+		createEOperation(isTranslatedViewToEClass, IS_TRANSLATED_VIEW_TO___GET_SYMBOL);
+		createEOperation(isTranslatedViewToEClass, IS_TRANSLATED_VIEW_TO___GET_UNDERLYING_TYPE);
+		createEOperation(isTranslatedViewToEClass, IS_TRANSLATED_VIEW_TO___GET_EXPRESSION_TEXT);
+
+		hideLowerPriorityEClass = createEClass(HIDE_LOWER_PRIORITY);
+		createEOperation(hideLowerPriorityEClass, HIDE_LOWER_PRIORITY___GET_SYMBOL);
+		createEOperation(hideLowerPriorityEClass, HIDE_LOWER_PRIORITY___GET_UNDERLYING_TYPE);
+		createEOperation(hideLowerPriorityEClass, HIDE_LOWER_PRIORITY___GET_EXPRESSION_TEXT);
+
+		// Create enums
+		basePointEEnum = createEEnum(BASE_POINT);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized)
+			return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		RBACorePackage theRBACorePackage = (RBACorePackage) EPackage.Registry.INSTANCE
+				.getEPackage(RBACorePackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+		viewContentEClass.getESuperTypes().add(theRBACorePackage.getContent());
+		viewContentSetEClass.getESuperTypes().add(theRBACorePackage.getContentSet());
+		viewContentStateEClass.getESuperTypes().add(theRBACorePackage.getContentState());
+		alignedLayoutEClass.getESuperTypes().add(this.getLayoutManager());
+		verticalLayoutEClass.getESuperTypes().add(this.getAlignedLayout());
+		horizontalLayoutEClass.getESuperTypes().add(this.getAlignedLayout());
+		fixedPositionLayoutEClass.getESuperTypes().add(this.getLayoutManager());
+		displayEClass.getESuperTypes().add(theRBACorePackage.getPackagableElement());
+		compositeAreaEClass.getESuperTypes().add(theRBACorePackage.getPackagableElement());
+		areaEClass.getESuperTypes().add(theRBACorePackage.getAllocatable());
+		areaSetEClass.getESuperTypes().add(theRBACorePackage.getAllocatableSet());
+		sizeEClass.getESuperTypes().add(theRBACorePackage.getPackagableElement());
+		sizeEClass.getESuperTypes().add(this.getSizeIdentifier());
+		sizeReferenceEClass.getESuperTypes().add(this.getSizeIdentifier());
+		offsetEClass.getESuperTypes().add(theRBACorePackage.getPackagableElement());
+		areaOperatorEClass.getESuperTypes().add(theRBACorePackage.getAllocatableOperator());
+		isDisplayedEClass.getESuperTypes().add(this.getAreaOperator());
+		displayingContentEClass.getESuperTypes().add(this.getAreaOperator());
+		isHiddenEClass.getESuperTypes().add(this.getAreaOperator());
+		viewContentOperatorEClass.getESuperTypes().add(theRBACorePackage.getContentOperator());
+		isVisibleEClass.getESuperTypes().add(this.getViewContentOperator());
+		allInstanceOfAreaEClass.getESuperTypes().add(theRBACorePackage.getSetExpression());
+		allInstanceOfViewContentEClass.getESuperTypes().add(theRBACorePackage.getSetExpression());
+		isDisplayedOnEClass.getESuperTypes().add(this.getViewContentOperator());
+		isDisplayedOnEClass.getESuperTypes().add(theRBACorePackage.getSugarExpressionBase());
+		isChangedDisplayEClass.getESuperTypes().add(this.getAreaOperator());
+		isChangedDisplayEClass.getESuperTypes().add(theRBACorePackage.getSugarExpressionBase());
+		isTranslatedViewToEClass.getESuperTypes().add(this.getAreaOperator());
+		isTranslatedViewToEClass.getESuperTypes().add(theRBACorePackage.getSugarExpressionBase());
+		hideLowerPriorityEClass.getESuperTypes().add(theRBACorePackage.getOperator());
+		hideLowerPriorityEClass.getESuperTypes().add(theRBACorePackage.getSugarExpressionBase());
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(viewContentEClass, ViewContent.class, "ViewContent", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getViewContent_Size(), this.getSizeIdentifier(), null, "size", null, 0, -1, ViewContent.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEOperation(getViewContent__GetExpressionType(), theRBACorePackage.getExpressionType(), "getExpressionType",
+				0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(viewContentSetEClass, ViewContentSet.class, "ViewContentSet", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getViewContentSet__GetExpressionType(), theRBACorePackage.getExpressionType(),
+				"getExpressionType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(viewContentStateEClass, ViewContentState.class, "ViewContentState", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getViewContentState__GetExpressionType(), theRBACorePackage.getExpressionType(),
+				"getExpressionType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(layoutManagerEClass, LayoutManager.class, "LayoutManager", IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getLayoutManager__CollectLeafArea(), this.getArea(), "collectLeafArea", 0, -1, IS_UNIQUE,
+				!IS_ORDERED);
+
+		initEClass(alignedLayoutEClass, AlignedLayout.class, "AlignedLayout", IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getAlignedLayout_Subarea(), this.getArea(), null, "subarea", null, 0, -1, AlignedLayout.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getAlignedLayout_BasePoint(), this.getBasePoint(), "basePoint", null, 0, 1, AlignedLayout.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEOperation(getAlignedLayout__CollectLeafArea(), this.getArea(), "collectLeafArea", 0, -1, IS_UNIQUE,
+				!IS_ORDERED);
+
+		initEClass(verticalLayoutEClass, VerticalLayout.class, "VerticalLayout", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(horizontalLayoutEClass, HorizontalLayout.class, "HorizontalLayout", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(fixedPositionLayoutEClass, FixedPositionLayout.class, "FixedPositionLayout", !IS_ABSTRACT,
+				!IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getFixedPositionLayout_SubAreaPosition(), this.getPositionContainer(), null, "subAreaPosition",
+				null, 0, -1, FixedPositionLayout.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE,
+				!IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEOperation(getFixedPositionLayout__CollectLeafArea(), this.getArea(), "collectLeafArea", 0, -1, IS_UNIQUE,
+				!IS_ORDERED);
+
+		initEClass(positionContainerEClass, PositionContainer.class, "PositionContainer", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getPositionContainer_X(), ecorePackage.getEInt(), "x", null, 1, 1, PositionContainer.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getPositionContainer_Y(), ecorePackage.getEInt(), "y", null, 1, 1, PositionContainer.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getPositionContainer_BasePoint(), this.getBasePoint(), "basePoint", null, 0, 1,
+				PositionContainer.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE,
+				!IS_DERIVED, IS_ORDERED);
+		initEReference(getPositionContainer_Area(), this.getArea(), null, "area", null, 1, 1, PositionContainer.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getPositionContainer_Offset(), this.getOffset(), null, "offset", null, 0, -1,
+				PositionContainer.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES,
+				!IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(displayEClass, Display.class, "Display", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getDisplay_Root(), this.getCompositeArea(), null, "root", null, 0, 1, Display.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getDisplay_Size(), this.getSizeIdentifier(), null, "size", null, 1, 1, Display.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(compositeAreaEClass, CompositeArea.class, "CompositeArea", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getCompositeArea_Layout(), this.getLayoutManager(), null, "layout", null, 0, 1,
+				CompositeArea.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES,
+				!IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEOperation(getCompositeArea__CollectLeafArea(), this.getArea(), "collectLeafArea", 0, -1, IS_UNIQUE,
+				!IS_ORDERED);
+
+		initEOperation(getCompositeArea__GetExpressionType(), theRBACorePackage.getExpressionType(),
+				"getExpressionType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(areaEClass, Area.class, "Area", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getArea_Zorder(), theRBACorePackage.getExpression(), null, "zorder", null, 0, 1, Area.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getArea_Size(), this.getSizeIdentifier(), null, "size", null, 0, -1, Area.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED,
+				IS_ORDERED);
+
+		initEOperation(getArea__GetExpressionType(), theRBACorePackage.getExpressionType(), "getExpressionType", 0, 1,
+				IS_UNIQUE, IS_ORDERED);
+
+		initEClass(areaSetEClass, AreaSet.class, "AreaSet", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getAreaSet__GetExpressionType(), theRBACorePackage.getExpressionType(), "getExpressionType", 0,
+				1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(sizeIdentifierEClass, SizeIdentifier.class, "SizeIdentifier", IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(sizeEClass, Size.class, "Size", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getSize_Width(), ecorePackage.getEInt(), "width", null, 1, 1, Size.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getSize_Height(), ecorePackage.getEInt(), "height", null, 1, 1, Size.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(sizeReferenceEClass, SizeReference.class, "SizeReference", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getSizeReference_Size(), this.getSize(), null, "size", null, 0, 1, SizeReference.class,
+				!IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+				IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(offsetEClass, Offset.class, "Offset", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getOffset_X(), ecorePackage.getEInt(), "x", null, 1, 1, Offset.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getOffset_Y(), ecorePackage.getEInt(), "y", null, 1, 1, Offset.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getOffset_Size(), this.getSizeReference(), null, "size", null, 1, 1, Offset.class, !IS_TRANSIENT,
+				!IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED,
+				IS_ORDERED);
+
+		initEClass(areaOperatorEClass, AreaOperator.class, "AreaOperator", IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(isDisplayedEClass, IsDisplayed.class, "IsDisplayed", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsDisplayed__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getIsDisplayed__GetUnderlyingType(), theRBACorePackage.getExpressionType(), "getUnderlyingType",
+				0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(displayingContentEClass, DisplayingContent.class, "DisplayingContent", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getDisplayingContent__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getDisplayingContent__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(isHiddenEClass, IsHidden.class, "IsHidden", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsHidden__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getIsHidden__GetUnderlyingType(), theRBACorePackage.getExpressionType(), "getUnderlyingType", 0,
+				1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(viewContentOperatorEClass, ViewContentOperator.class, "ViewContentOperator", IS_ABSTRACT,
+				!IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getViewContentOperator__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(isVisibleEClass, IsVisible.class, "IsVisible", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsVisible__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(allInstanceOfAreaEClass, AllInstanceOfArea.class, "AllInstanceOfArea", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getAllInstanceOfArea__GetExpressionText(), ecorePackage.getEString(), "getExpressionText", 0, 1,
+				IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getAllInstanceOfArea__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(allInstanceOfViewContentEClass, AllInstanceOfViewContent.class, "AllInstanceOfViewContent",
+				!IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getAllInstanceOfViewContent__GetExpressionText(), ecorePackage.getEString(), "getExpressionText",
+				0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getAllInstanceOfViewContent__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(isDisplayedOnEClass, IsDisplayedOn.class, "IsDisplayedOn", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsDisplayedOn__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getIsDisplayedOn__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getIsDisplayedOn__GetExpressionText(), ecorePackage.getEString(), "getExpressionText", 0, 1,
+				IS_UNIQUE, IS_ORDERED);
+
+		initEClass(isChangedDisplayEClass, IsChangedDisplay.class, "IsChangedDisplay", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsChangedDisplay__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getIsChangedDisplay__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEClass(isTranslatedViewToEClass, IsTranslatedViewTo.class, "IsTranslatedViewTo", !IS_ABSTRACT,
+				!IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getIsTranslatedViewTo__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getIsTranslatedViewTo__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getIsTranslatedViewTo__GetExpressionText(), ecorePackage.getEString(), "getExpressionText", 0, 1,
+				IS_UNIQUE, IS_ORDERED);
+
+		initEClass(hideLowerPriorityEClass, HideLowerPriority.class, "HideLowerPriority", !IS_ABSTRACT, !IS_INTERFACE,
+				IS_GENERATED_INSTANCE_CLASS);
+
+		initEOperation(getHideLowerPriority__GetSymbol(), ecorePackage.getEString(), "getSymbol", 0, 1, IS_UNIQUE,
+				IS_ORDERED);
+
+		initEOperation(getHideLowerPriority__GetUnderlyingType(), theRBACorePackage.getExpressionType(),
+				"getUnderlyingType", 0, 1, IS_UNIQUE, IS_ORDERED);
+
+		initEOperation(getHideLowerPriority__GetExpressionText(), ecorePackage.getEString(), "getExpressionText", 0, 1,
+				IS_UNIQUE, IS_ORDERED);
+
+		// Initialize enums and add enum literals
+		initEEnum(basePointEEnum, BasePoint.class, "BasePoint");
+		addEEnumLiteral(basePointEEnum, BasePoint.LEFT_TOP);
+		addEEnumLiteral(basePointEEnum, BasePoint.LEFT_MIDDLE);
+		addEEnumLiteral(basePointEEnum, BasePoint.LEFT_BOTTOM);
+		addEEnumLiteral(basePointEEnum, BasePoint.RIGHT_TOP);
+		addEEnumLiteral(basePointEEnum, BasePoint.RIGHT_MIDDLE);
+		addEEnumLiteral(basePointEEnum, BasePoint.RIGHT_BOTTOM);
+		addEEnumLiteral(basePointEEnum, BasePoint.CENTER_TOP);
+		addEEnumLiteral(basePointEEnum, BasePoint.CENTER_MIDDLE);
+		addEEnumLiteral(basePointEEnum, BasePoint.CENTER_BOTTOM);
+
+		// Create resource
+		createResource(eNS_URI);
+
+		// Create annotations
+		// http://www.eclipse.org/OCL/Import
+		createImportAnnotations();
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/OCL/Import</b>.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createImportAnnotations() {
+		String source = "http://www.eclipse.org/OCL/Import";
+		addAnnotation(this, source, new String[] { "RbaCore", "../../rba.model.core/model/rbacore.ecore#/", "ecore",
+				"http://www.eclipse.org/emf/2002/Ecore" });
+	}
+
+} // RBAViewPackageImpl
diff --git a/rba.model.view/src/rba/view/impl/SizeIdentifierImpl.java b/rba.model.view/src/rba/view/impl/SizeIdentifierImpl.java
new file mode 100644
index 0000000..8ca07ca
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/SizeIdentifierImpl.java
@@ -0,0 +1,35 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.SizeIdentifier;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Size Identifier</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public abstract class SizeIdentifierImpl extends MinimalEObjectImpl.Container implements SizeIdentifier {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected SizeIdentifierImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.SIZE_IDENTIFIER;
+	}
+
+} // SizeIdentifierImpl
diff --git a/rba.model.view/src/rba/view/impl/SizeImpl.java b/rba.model.view/src/rba/view/impl/SizeImpl.java
new file mode 100644
index 0000000..f320ca4
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/SizeImpl.java
@@ -0,0 +1,274 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import rba.core.impl.PackagableElementImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.Size;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Size</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.SizeImpl#getWidth <em>Width</em>}</li>
+ *   <li>{@link rba.view.impl.SizeImpl#getHeight <em>Height</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class SizeImpl extends PackagableElementImpl implements Size {
+	/**
+	 * The default value of the '{@link #getWidth() <em>Width</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getWidth()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int WIDTH_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getWidth() <em>Width</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getWidth()
+	 * @generated
+	 * @ordered
+	 */
+	protected int width = WIDTH_EDEFAULT;
+
+	/**
+	 * This is true if the Width attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean widthESet;
+
+	/**
+	 * The default value of the '{@link #getHeight() <em>Height</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getHeight()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final int HEIGHT_EDEFAULT = 0;
+
+	/**
+	 * The cached value of the '{@link #getHeight() <em>Height</em>}' attribute.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getHeight()
+	 * @generated
+	 * @ordered
+	 */
+	protected int height = HEIGHT_EDEFAULT;
+
+	/**
+	 * This is true if the Height attribute has been set.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	protected boolean heightESet;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected SizeImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.SIZE;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getWidth() {
+		return width;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setWidth(int newWidth) {
+		int oldWidth = width;
+		width = newWidth;
+		boolean oldWidthESet = widthESet;
+		widthESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.SIZE__WIDTH, oldWidth, width,
+					!oldWidthESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetWidth() {
+		int oldWidth = width;
+		boolean oldWidthESet = widthESet;
+		width = WIDTH_EDEFAULT;
+		widthESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.SIZE__WIDTH, oldWidth,
+					WIDTH_EDEFAULT, oldWidthESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetWidth() {
+		return widthESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getHeight() {
+		return height;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setHeight(int newHeight) {
+		int oldHeight = height;
+		height = newHeight;
+		boolean oldHeightESet = heightESet;
+		heightESet = true;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.SIZE__HEIGHT, oldHeight, height,
+					!oldHeightESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void unsetHeight() {
+		int oldHeight = height;
+		boolean oldHeightESet = heightESet;
+		height = HEIGHT_EDEFAULT;
+		heightESet = false;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.UNSET, RBAViewPackage.SIZE__HEIGHT, oldHeight,
+					HEIGHT_EDEFAULT, oldHeightESet));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean isSetHeight() {
+		return heightESet;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE__WIDTH:
+			return getWidth();
+		case RBAViewPackage.SIZE__HEIGHT:
+			return getHeight();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE__WIDTH:
+			setWidth((Integer) newValue);
+			return;
+		case RBAViewPackage.SIZE__HEIGHT:
+			setHeight((Integer) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE__WIDTH:
+			unsetWidth();
+			return;
+		case RBAViewPackage.SIZE__HEIGHT:
+			unsetHeight();
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE__WIDTH:
+			return isSetWidth();
+		case RBAViewPackage.SIZE__HEIGHT:
+			return isSetHeight();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy())
+			return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (width: ");
+		if (widthESet)
+			result.append(width);
+		else
+			result.append("<unset>");
+		result.append(", height: ");
+		if (heightESet)
+			result.append(height);
+		else
+			result.append("<unset>");
+		result.append(')');
+		return result.toString();
+	}
+
+} // SizeImpl
diff --git a/rba.model.view/src/rba/view/impl/SizeReferenceImpl.java b/rba.model.view/src/rba/view/impl/SizeReferenceImpl.java
new file mode 100644
index 0000000..3903a1d
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/SizeReferenceImpl.java
@@ -0,0 +1,146 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.Size;
+import rba.view.SizeReference;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Size Reference</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.SizeReferenceImpl#getSize <em>Size</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class SizeReferenceImpl extends SizeIdentifierImpl implements SizeReference {
+	/**
+	 * The cached value of the '{@link #getSize() <em>Size</em>}' reference.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @see #getSize()
+	 * @generated
+	 * @ordered
+	 */
+	protected Size size;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected SizeReferenceImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.SIZE_REFERENCE;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Size getSize() {
+		if (size != null && size.eIsProxy()) {
+			InternalEObject oldSize = (InternalEObject) size;
+			size = (Size) eResolveProxy(oldSize);
+			if (size != oldSize) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, RBAViewPackage.SIZE_REFERENCE__SIZE,
+							oldSize, size));
+			}
+		}
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Size basicGetSize() {
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSize(Size newSize) {
+		Size oldSize = size;
+		size = newSize;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, RBAViewPackage.SIZE_REFERENCE__SIZE, oldSize, size));
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE_REFERENCE__SIZE:
+			if (resolve)
+				return getSize();
+			return basicGetSize();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE_REFERENCE__SIZE:
+			setSize((Size) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE_REFERENCE__SIZE:
+			setSize((Size) null);
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.SIZE_REFERENCE__SIZE:
+			return size != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} // SizeReferenceImpl
diff --git a/rba.model.view/src/rba/view/impl/VerticalLayoutImpl.java b/rba.model.view/src/rba/view/impl/VerticalLayoutImpl.java
new file mode 100644
index 0000000..bac8918
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/VerticalLayoutImpl.java
@@ -0,0 +1,33 @@
+/**
+ */
+package rba.view.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.view.RBAViewPackage;
+import rba.view.VerticalLayout;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>Vertical Layout</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class VerticalLayoutImpl extends AlignedLayoutImpl implements VerticalLayout {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected VerticalLayoutImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.VERTICAL_LAYOUT;
+	}
+
+} // VerticalLayoutImpl
diff --git a/rba.model.view/src/rba/view/impl/ViewContentImpl.java b/rba.model.view/src/rba/view/impl/ViewContentImpl.java
new file mode 100644
index 0000000..e2a1688
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/ViewContentImpl.java
@@ -0,0 +1,160 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import rba.core.ExpressionType;
+import rba.core.impl.ContentImpl;
+import rba.view.RBAViewPackage;
+import rba.view.SizeIdentifier;
+import rba.view.ViewContent;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>View Content</b></em>'. <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link rba.view.impl.ViewContentImpl#getSize <em>Size</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ViewContentImpl extends ContentImpl implements ViewContent {
+	/**
+	 * The cached value of the '{@link #getSize() <em>Size</em>}' containment reference list.
+	 * <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * @see #getSize()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<SizeIdentifier> size;
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewContentImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.VIEW_CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<SizeIdentifier> getSize() {
+		if (size == null) {
+			size = new EObjectContainmentEList<SizeIdentifier>(SizeIdentifier.class, this,
+					RBAViewPackage.VIEW_CONTENT__SIZE);
+		}
+		return size;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+		case RBAViewPackage.VIEW_CONTENT__SIZE:
+			return ((InternalEList<?>) getSize()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+		case RBAViewPackage.VIEW_CONTENT__SIZE:
+			return getSize();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+		case RBAViewPackage.VIEW_CONTENT__SIZE:
+			getSize().clear();
+			getSize().addAll((Collection<? extends SizeIdentifier>) newValue);
+			return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.VIEW_CONTENT__SIZE:
+			getSize().clear();
+			return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+		case RBAViewPackage.VIEW_CONTENT__SIZE:
+			return size != null && !size.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.VIEW_CONTENT___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // ViewContentImpl
diff --git a/rba.model.view/src/rba/view/impl/ViewContentOperatorImpl.java b/rba.model.view/src/rba/view/impl/ViewContentOperatorImpl.java
new file mode 100644
index 0000000..d3a6b8c
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/ViewContentOperatorImpl.java
@@ -0,0 +1,62 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.ContentOperatorImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.ViewContentOperator;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>View Content Operator</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public abstract class ViewContentOperatorImpl extends ContentOperatorImpl implements ViewContentOperator {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewContentOperatorImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.VIEW_CONTENT_OPERATOR;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getUnderlyingType() {
+		return ExpressionType.BOOLEAN;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.VIEW_CONTENT_OPERATOR___GET_UNDERLYING_TYPE:
+			return getUnderlyingType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // ViewContentOperatorImpl
diff --git a/rba.model.view/src/rba/view/impl/ViewContentSetImpl.java b/rba.model.view/src/rba/view/impl/ViewContentSetImpl.java
new file mode 100644
index 0000000..2454031
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/ViewContentSetImpl.java
@@ -0,0 +1,62 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.ContentSetImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.ViewContentSet;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>View Content Set</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ViewContentSetImpl extends ContentSetImpl implements ViewContentSet {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewContentSetImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.VIEW_CONTENT_SET;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.SET_OF_CONTENT;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.VIEW_CONTENT_SET___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // ViewContentSetImpl
diff --git a/rba.model.view/src/rba/view/impl/ViewContentStateImpl.java b/rba.model.view/src/rba/view/impl/ViewContentStateImpl.java
new file mode 100644
index 0000000..7dbdbd4
--- /dev/null
+++ b/rba.model.view/src/rba/view/impl/ViewContentStateImpl.java
@@ -0,0 +1,62 @@
+/**
+ */
+package rba.view.impl;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import rba.core.ExpressionType;
+
+import rba.core.impl.ContentStateImpl;
+
+import rba.view.RBAViewPackage;
+import rba.view.ViewContentState;
+
+/**
+ * <!-- begin-user-doc --> An implementation of the model object '<em><b>View Content State</b></em>'. <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ViewContentStateImpl extends ContentStateImpl implements ViewContentState {
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewContentStateImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return RBAViewPackage.Literals.VIEW_CONTENT_STATE;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ExpressionType getExpressionType() {
+		return ExpressionType.CONTENT_STATE;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
+		switch (operationID) {
+		case RBAViewPackage.VIEW_CONTENT_STATE___GET_EXPRESSION_TYPE:
+			return getExpressionType();
+		}
+		return super.eInvoke(operationID, arguments);
+	}
+
+} // ViewContentStateImpl