2 files changed, 58 insertions, 0 deletions
diff --git a/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/AbstractSwitchProjectProgress.java b/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/AbstractSwitchProjectProgress.java
new file mode 100644
index 0000000..2d640d3
--- /dev/null
+++ b/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/AbstractSwitchProjectProgress.java
@@ -0,0 +1,40 @@
+package rba.tool.editor.ui.util.concurrent;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.SubMonitor;
+
+import rba.tool.editor.ui.editor.model.manager.ResourceManagerUI;
+
+public abstract class AbstractSwitchProjectProgress<R, P> implements IUnitOfProgress<Object, IProject> {
+
+    private final boolean showConfirmDialog;
+
+    public AbstractSwitchProjectProgress() {
+        this(true);
+    }
+
+    public AbstractSwitchProjectProgress(boolean showConfirmDialog) {
+        this.showConfirmDialog = showConfirmDialog;
+    }
+
+    @Override
+    public R exec(IProject state) throws Exception {
+        SubMonitor progress = SubMonitor.convert(null, 6);
+        if (!ResourceManagerUI.INSTANCE.isCurrentProject(state)) {
+            if (ResourceManagerUI.INSTANCE.doConfirm(state, showConfirmDialog)) {
+                ResourceManagerUI.INSTANCE.switchToProject(state, progress.newChild(2));
+
+                if (progress.isCanceled()) {
+                    throw new InterruptedException();
+                }
+                return internalExec(state, progress.newChild(4));
+            } else {
+                throw new InterruptedException();
+            }
+        }
+        return internalExec(state, progress.newChild(4));
+    }
+
+    protected abstract R internalExec(IProject state, IProgressMonitor monitor);
+}
diff --git a/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/IUnitOfProgress.java b/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/IUnitOfProgress.java
new file mode 100644
index 0000000..f7141b1
--- /dev/null
+++ b/rba.tool.editor.ui/src/rba/tool/editor/ui/util/concurrent/IUnitOfProgress.java
@@ -0,0 +1,18 @@
+package rba.tool.editor.ui.util.concurrent;
+
+public interface IUnitOfProgress<R, P> {
+
+    public static final Object FAMILY_UNIT_OF_PROGRESS = new Object();
+
+    R exec(P state) throws Exception;
+
+    public static abstract class Void<T> implements IUnitOfProgress<Object, T> {
+        @Override
+        public final Object exec(T state) throws Exception {
+            process(state);
+            return null;
+        }
+
+        public abstract void process(T state) throws Exception;
+    }
+}