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Diffstat (limited to 'rba.tool.editor.ui/src/rba/tool/editor/ui/contentassist/RBAModelProposalProvider.xtend')
| -rw-r--r-- | rba.tool.editor.ui/src/rba/tool/editor/ui/contentassist/RBAModelProposalProvider.xtend | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/rba.tool.editor.ui/src/rba/tool/editor/ui/contentassist/RBAModelProposalProvider.xtend b/rba.tool.editor.ui/src/rba/tool/editor/ui/contentassist/RBAModelProposalProvider.xtend new file mode 100644 index 0000000..c3af655 --- /dev/null +++ b/rba.tool.editor.ui/src/rba/tool/editor/ui/contentassist/RBAModelProposalProvider.xtend @@ -0,0 +1,250 @@ +/* + * generated by Xtext 2.12.0 + */ +package rba.tool.editor.ui.contentassist + +import com.google.common.base.Predicate +import com.google.common.base.Predicates +import com.google.inject.Inject +import org.apache.log4j.Logger +import org.eclipse.emf.ecore.EObject +import org.eclipse.emf.ecore.util.EcoreUtil +import org.eclipse.jface.text.contentassist.ICompletionProposal +import org.eclipse.jface.viewers.StyledString +import org.eclipse.swt.graphics.Image +import org.eclipse.xtext.Assignment +import org.eclipse.xtext.CrossReference +import org.eclipse.xtext.Keyword +import org.eclipse.xtext.RuleCall +import org.eclipse.xtext.conversion.ValueConverterException +import org.eclipse.xtext.resource.IEObjectDescription +import org.eclipse.xtext.scoping.IScope +import org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.DefaultProposalCreator +import org.eclipse.xtext.ui.editor.contentassist.ConfigurableCompletionProposal +import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext +import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor +import rba.core.Content +import rba.core.LambdaExpression +import rba.core.RBACorePackage +import rba.core.Variable +import rba.sound.SoundContent +import rba.sound.SoundContentSet +import rba.sound.Zone +import rba.sound.ZoneSet +import rba.tool.editor.resource.RBAModelEObjectDescription +import rba.tool.editor.ui.util.CharacterUtil +import rba.view.Area +import rba.view.AreaSet +import rba.view.Display +import rba.view.Size +import rba.view.ViewContent +import rba.view.ViewContentSet + +/** + * See https://www.eclipse.org/Xtext/documentation/304_ide_concepts.html#content-assist + * on how to customize the content assistant. + */ +class RBAModelProposalProvider extends AbstractRBAModelProposalProvider { + + private final static Logger log = Logger.getLogger(RBAModelProposalProvider); + + @Inject RBAModelExpressionScopeCreator expressionScopeCreator; + + override completeKeyword(Keyword keyword, ContentAssistContext contentAssistContext, ICompletionProposalAcceptor acceptor) { + if (!CharacterUtil.isKeywordWorthyToPropose(keyword)) { + super.completeKeyword(keyword, contentAssistContext, acceptor) + } + } + + override lookupCrossReference(CrossReference crossReference, ContentAssistContext contentAssistContext, ICompletionProposalAcceptor acceptor) { + lookupCrossReference(crossReference, contentAssistContext, acceptor, getFeatureDescriptionPredicate(crossReference, contentAssistContext)); + } + + def protected Predicate<IEObjectDescription> getFeatureDescriptionPredicate(CrossReference crossReference, ContentAssistContext contentAssistContext) { + return Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + if (input.EObjectOrProxy instanceof Variable) { + return contentAssistContext.currentModel.internalLambdaExpression(input.EObjectOrProxy); + } + + if (input.EObjectOrProxy instanceof Size) { + return isValidSizeModel(input.EObjectOrProxy, crossReference) + } + + return true; + } + }); + } + + def private boolean isValidSizeModel(EObject objectOrProxy, CrossReference crossReference) { + var EObject tmpObj + if (objectOrProxy.eIsProxy) { + // resolve proxy object with crossReference + tmpObj = EcoreUtil.resolve(objectOrProxy, crossReference); + } else { + tmpObj = objectOrProxy + } + // get the container of the real object + if (tmpObj instanceof Size) { + if (!(tmpObj.eContainer instanceof Area) && !(tmpObj.eContainer instanceof Content) && !(tmpObj.eContainer instanceof Display)) { + return true; + } + } + return false; + } + + def protected boolean internalLambdaExpression(EObject eObj1, EObject eObj2) { + if (eObj1 === null || !(eObj2 instanceof Variable)) { + return false; + } + + if (eObj1 instanceof LambdaExpression && (eObj1 as LambdaExpression).x === eObj2) { + return true; + } + + return internalLambdaExpression(eObj1.eContainer, eObj2); + } + + override protected getProposalFactory(String ruleName, ContentAssistContext contentAssistContext) { + return new DefaultProposalCreator(contentAssistContext, ruleName, getQualifiedNameConverter()) { + override apply(IEObjectDescription candidate) { + if (candidate === null) + return null; + var ICompletionProposal result = null; + var String proposal = qualifiedNameConverter.toString(candidate.getName()); + if (valueConverter !== null) { + try { + proposal = valueConverter.toString(proposal); + } catch (ValueConverterException e) { + log.debug(e.getMessage(), e); + return null; + } + } else if (ruleName !== null) { + try { + proposal = getValueConverter().toString(proposal, ruleName); + } catch (ValueConverterException e) { + log.debug(e.getMessage(), e); + return null; + } + } + val EObject objectOrProxy = candidate.getEObjectOrProxy(); + val StyledString displayString = getStyledDisplayString(candidate); + val Image image = getImage(candidate); + result = createCompletionProposal(proposal, displayString, image, contentAssistContext); + if (result instanceof ConfigurableCompletionProposal) { + (result as ConfigurableCompletionProposal).setProposalContextResource(contentAssistContext.getResource()); + (result as ConfigurableCompletionProposal).setAdditionalProposalInfo(objectOrProxy); + (result as ConfigurableCompletionProposal).setHover(hover); + + if (candidate instanceof RBAModelEObjectDescription) { + (result as ConfigurableCompletionProposal).setCursorPosition((result as ConfigurableCompletionProposal).cursorPosition + + (candidate as RBAModelEObjectDescription).getAdditionalInfo().get(0)); + (result as ConfigurableCompletionProposal).setPriority((result as ConfigurableCompletionProposal).priority + + (candidate as RBAModelEObjectDescription).getAdditionalInfo().get(1)); + } + } + getPriorityHelper().adjustCrossReferencePriority(result, contentAssistContext.getPrefix()); + return result; + } + }; + } + + override completeAreaSet_Target(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Area || input.EObjectOrProxy instanceof AreaSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeViewContentSet_Target(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof ViewContent || input.EObjectOrProxy instanceof ViewContentSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeViewContentSet_Allocatable(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Area || input.EObjectOrProxy instanceof AreaSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeZoneSet_Target(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Zone || input.EObjectOrProxy instanceof ZoneSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeSoundContentSet_Target(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof SoundContent || input.EObjectOrProxy instanceof SoundContentSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeSoundContentSet_Allocatable(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Zone || input.EObjectOrProxy instanceof ZoneSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeViewContent_Allocatable(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Area || input.EObjectOrProxy instanceof AreaSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeSoundContent_Allocatable(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val Predicate<IEObjectDescription> filter = Predicates.and(new Predicate<IEObjectDescription>() { + override public boolean apply(IEObjectDescription input) { + return (input.EObjectOrProxy instanceof Zone || input.EObjectOrProxy instanceof ZoneSet); + } + }); + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor, filter); + } + + override completeCMemberFeatureReference_RefObject(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + createMemberAndOperatorProposals(model, assignment, context, acceptor); + } + + override completeVMemberFeatureReference_RefObject(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + createMemberAndOperatorProposals(model, assignment, context, acceptor); + } + + def protected void createMemberAndOperatorProposals(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val IScope scope = expressionScopeCreator.getExpressionScope(model, context); + if (scope === null) { + lookupCrossReference((assignment.getTerminal() as CrossReference), context, acceptor); + } else { + getCrossReferenceProposalCreator().lookupCrossReference(scope, model, RBACorePackage.Literals.OBJECT_REFERENCE__REF_OBJECT, acceptor, + getFeatureDescriptionPredicate((assignment.getTerminal() as CrossReference), context), getProposalFactory("ValidID", context)); + } + } + + override complete_OpGetProperty(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) { + val IScope scope = expressionScopeCreator.getExpressionScope(model, context); + if (scope !== null) { + getCrossReferenceProposalCreator().lookupCrossReference(scope, model, RBACorePackage.Literals.OPERATOR__OPERAND, acceptor, Predicates.<IEObjectDescription>alwaysTrue(), + getProposalFactory(null, context)); + } + } + +} |