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/*****************************************************************************
* Copyright (c) 2007, 2014 Borland Software Corporation, Christian W. Damus, and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Alexander Shatalin (Borland) - initial API and implementation
* Michael Golubev (Montages) - #386838 - migrate to Xtend2
* Christian W. Damus - bug 451230
*
*****************************************************************************/
package aspects.xpt.diagram.editpolicies
import aspects.xpt.Common
import com.google.inject.Inject
import com.google.inject.Singleton
import metamodel.MetaModel
import org.eclipse.emf.codegen.ecore.genmodel.GenClass
import org.eclipse.emf.codegen.ecore.genmodel.GenFeature
import org.eclipse.gmf.codegen.gmfgen.GenDiagram
import org.eclipse.gmf.codegen.gmfgen.GenLink
import org.eclipse.gmf.codegen.gmfgen.TypeLinkModelFacet
import org.eclipse.papyrus.papyrusgmfgenextension.GenerateUsingElementTypeCreationCommand
import plugin.Activator
import xpt.OclMigrationProblems_qvto
import xpt.editor.VisualIDRegistry
import xpt.providers.ElementTypes
//Documentation: PapyrusGenCode
//This tamplate has been modified in order to allow the moving command
@Singleton class BaseItemSemanticEditPolicy extends xpt.diagram.editpolicies.BaseItemSemanticEditPolicy {
@Inject extension Common;
@Inject Activator xptPluginActivator;
@Inject extension VisualIDRegistry
@Inject ElementTypes xptElementTypes;
@Inject extension OclMigrationProblems_qvto;
@Inject extension xpt.diagram.editpolicies.Utils_qvto
@Inject MetaModel xptMetaModel;
override BaseItemSemanticEditPolicy(GenDiagram it) '''
«copyright(editorGen)»
package «packageName(it)»;
«generatedClassComment()»
public class «className(it)» extends org.eclipse.gmf.runtime.diagram.ui.editpolicies.SemanticEditPolicy {
«attributes(it)»
«constructor(it)»
«generatedMemberComment(
'Extended request data key to hold editpart visual id.\n' + 'Add visual id of edited editpart to extended data of the request\n' + 'so command switch can decide what kind of diagram element is being edited.\n' + 'It is done in those cases when it\'s not possible to deduce diagram\n' + 'element kind from domain element.\n' + 'Add the reoriented view to the request extended data so that the view\n ' + 'currently edited can be distinguished from other views of the same element\n ' +
'and these latter possibly removed if they become inconsistent after reconnect\n'
)»
@SuppressWarnings("unchecked")
public org.eclipse.gef.commands.Command getCommand(org.eclipse.gef.Request request) {
if (request instanceof org.eclipse.gef.requests.ReconnectRequest) {
Object view = ((org.eclipse.gef.requests.ReconnectRequest) request).getConnectionEditPart().getModel();
if (view instanceof org.eclipse.gmf.runtime.notation.View) {
String id = «getVisualIDMethodCall(it)»((org.eclipse.gmf.runtime.notation.View) view);
request.getExtendedData().put(VISUAL_ID_KEY, id);
request.getExtendedData().put(GRAPHICAL_RECONNECTED_EDGE, view);
}
}
return super.getCommand(request);
}
«generatedMemberComment('Returns visual id from request parameters.')»
protected String getVisualID(org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest request) {
return (String) request.getParameter(VISUAL_ID_KEY);
}
«semanticPart(it)»
«generatedMemberComment('Returns editing domain from the host edit part.')»
protected org.eclipse.emf.transaction.TransactionalEditingDomain getEditingDomain() {
return ((org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart) getHost()).getEditingDomain();
}
«addDestroyShortcutsCommand(it)»
«IF links.exists(link|!link.sansDomain)»
«linkConstraints(it)»
«ENDIF»
«additions(it)»
}
'''
override def addDestroyShortcutsCommand(GenDiagram it) '''
«generatedMemberComment('Clean all shortcuts to the host element from the same diagram')»
protected void addDestroyShortcutsCommand(org.eclipse.gmf.runtime.common.core.command.ICompositeCommand cmd, org.eclipse.gmf.runtime.notation.View view) {
«_assert('view.getEAnnotation(\"Shortcut\") == null')»
for (java.util.Iterator<?> it = view.getDiagram().getChildren().iterator(); it.hasNext();) {
org.eclipse.gmf.runtime.notation.View nextView = (org.eclipse.gmf.runtime.notation.View) it.next();
if (nextView.getEAnnotation("Shortcut") == null || !nextView.isSetElement() || nextView.getElement() != view.getElement()) { «nonNLS()»
continue;
}
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), nextView));
}
}
'''
override attributes(GenDiagram it) '''
«generatedMemberComment('Extended request data key to hold editpart visual id.')»
public static final String VISUAL_ID_KEY = "visual_id"; «nonNLS()»
«generatedMemberComment('Extended request data key to hold the edge view during a reconnect request.')»
public static final String GRAPHICAL_RECONNECTED_EDGE = "graphical_edge"; «nonNLS»
«generatedMemberComment()»
private final org.eclipse.gmf.runtime.emf.type.core.IElementType myElementType;
'''
override semanticPart(GenDiagram it) '''
«getSemanticCommand(it)»
«addDeleteViewCommand(it)»
«getEditHelperCommand(it)»
«getContextElementType(it)»
«getSemanticCommandSwitch(it)»
«getConfigureCommand(it)»
«getCreateRelationshipCommand(it)»
«getCreateCommand(it)»
«getCreateSemanticServiceEditCommand(it)»
«getSetCommand(it)»
«getEditContextCommand(it)»
«getDestroyElementCommand(it)»
«getDestroyReferenceCommand(it)»
«getDuplicateCommand(it)»
«getMoveCommand(it)»
«getReorientReferenceRelationshipCommand(it)»
«getReorientRelationshipCommand(it)»
«getGEFWrapper(it)»
'''
override getContextElementType(GenDiagram it) '''
«generatedMemberComment()»
protected org.eclipse.gmf.runtime.emf.type.core.IElementType getContextElementType(org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest request) {
org.eclipse.gmf.runtime.emf.type.core.IElementType requestContextElementType = «xptElementTypes.qualifiedClassName(it)».getElementType(getVisualID(request));
return requestContextElementType != null ? requestContextElementType : myElementType;
}
'''
override getCreateRelationshipCommand(GenDiagram it) '''
«generatedMemberComment()»
protected org.eclipse.gef.commands.Command getCreateRelationshipCommand(org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest req) {
«IF it.eResource.allContents.filter(typeof(GenerateUsingElementTypeCreationCommand)).size < 1»
return null;
«ENDIF»
«IF it.eResource.allContents.filter(typeof(GenerateUsingElementTypeCreationCommand)).size() > 0»
org.eclipse.papyrus.infra.services.edit.service.IElementEditService commandService = org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils.getCommandProvider(((org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart)getHost()).resolveSemanticElement());
if(req.getElementType() != null) {
commandService = org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils.getCommandProvider(req.getElementType(), req.getClientContext());
}
if(commandService == null) {
return org.eclipse.gef.commands.UnexecutableCommand.INSTANCE;
}
org.eclipse.gmf.runtime.common.core.command.ICommand semanticCommand = commandService.getEditCommand(req);
if((semanticCommand != null) && (semanticCommand.canExecute())) {
return getGEFWrapper(semanticCommand);
}
return org.eclipse.gef.commands.UnexecutableCommand.INSTANCE;
«ENDIF»
}
'''
override getCreateCommand(GenDiagram it) '''
«generatedMemberComment()»
protected org.eclipse.gef.commands.Command getCreateCommand(org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest req) {
org.eclipse.gmf.runtime.emf.type.core.IElementType requestElementType = req.getElementType();
if (requestElementType instanceof org.eclipse.gmf.runtime.emf.type.core.IElementType) {
org.eclipse.papyrus.infra.services.edit.service.IElementEditService commandProvider = org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils.getCommandProvider(req.getContainer());
if (commandProvider != null) {
org.eclipse.gmf.runtime.common.core.command.ICommand command = commandProvider.getEditCommand(req);
if (command != null && command.canExecute()) {
return new org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy(command);
}
}
}
return null;
}
'''
override getMoveCommand(GenDiagram it) '''
«generatedMemberComment()»
protected org.eclipse.gef.commands.Command getMoveCommand(org.eclipse.gmf.runtime.emf.type.core.requests.MoveRequest req) {
««« BEGIN: PapyrusGenCode
««« add move command
org.eclipse.emf.ecore.EObject targetCEObject = req.getTargetContainer();
if(targetCEObject != null) {
org.eclipse.papyrus.infra.services.edit.service.IElementEditService provider = org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils.getCommandProvider(targetCEObject);
if(provider != null) {
org.eclipse.gmf.runtime.common.core.command.ICommand moveCommand = provider.getEditCommand(req);
if(moveCommand != null) {
return new org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy(moveCommand);
}
}
return org.eclipse.gef.commands.UnexecutableCommand.INSTANCE;
} else {
return getGEFWrapper(new org.eclipse.gmf.runtime.emf.type.core.commands.MoveElementsCommand(req));
}
««« END: PapyrusGenCode
}
'''
/**
* FIXME need to check constraint's provider to ensure we don't generate a field
* for e.g. Java (or Literal, which is unlikely, though) expressions
*
* [Papyrus Quick Fix] Do not generate field when the expression is provided
* by a GenJavaExpressionProvider.
*/
override linkConstraints(GenDiagram it) '''
«generatedMemberComment()»
public static «getLinkCreationConstraintsClassName()» getLinkConstraints() {
«getLinkCreationConstraintsClassName()» cached = «xptPluginActivator.instanceAccess(it.editorGen)».getLinkConstraints();
if (cached == null) {
«xptPluginActivator.instanceAccess(it.editorGen)».setLinkConstraints(cached = new «getLinkCreationConstraintsClassName()»());
}
return cached;
}
«generatedClassComment()»
public static class «getLinkCreationConstraintsClassName()» {
«generatedMemberComment»
public «getLinkCreationConstraintsClassName()»() {«««package-local for the BaseItemSemanticEditPolicy to instantiate. Perhaps, protected is better (i.e. if someone subclasses it?)
// use static method #getLinkConstraints() to access instance
}
«FOR nextLink : it.links»
«canCreate(nextLink)»
«ENDFOR»
«FOR nextLink : it.links»
«canExist(nextLink)»
«ENDFOR»
}
'''
/**
* [MG] extracted from LET statement, @see checkEMFConstraints(TypeLinkModelFacet)
*/
private def checkChildFeatureBounds(TypeLinkModelFacet it) {
childMetaFeature != containmentMetaFeature && !isUnbounded(childMetaFeature.ecoreFeature)
}
def checkEMFConstraints(TypeLinkModelFacet it) '''
«IF containmentMetaFeature.ecoreFeature != null»
«IF ! isUnbounded(containmentMetaFeature.ecoreFeature) || checkChildFeatureBounds(it)»
if («getContainerVariable(it)» != null) {
«checkEMFConstraints(containmentMetaFeature, it)»
«IF checkChildFeatureBounds(it)»
«checkEMFConstraints(childMetaFeature, it)»
«ENDIF»
}
«ENDIF»
«ENDIF»
'''
override checkEMFConstraints(GenFeature it, TypeLinkModelFacet modelFacet) '''
«IF modelFacet.containmentMetaFeature.ecoreFeature != null»
«IF ! isUnbounded(ecoreFeature)»
if («featureBoundComparator(it, getContainerVariable(modelFacet), modelFacet.getSourceType())») {
return false;
}
«ENDIF»
«ENDIF»
'''
override canCreate(GenLink it) '''
«generatedMemberComment()»
public boolean canCreate«stringUniqueIdentifier()»(
«IF !it.sansDomain»
«canCreateParameters(it.modelFacet)»
«ENDIF»
) {
«IF !it.sansDomain»
«checkEMFConstraints(it.modelFacet)»
«ENDIF»
return canExist«stringUniqueIdentifier()»(
«IF !it.sansDomain»
«canCreateValues(it.modelFacet)»
«ENDIF»
);
}
'''
override featureBoundsConditionClause(GenFeature it, String targetVar, GenClass targetType) '''
«««Checking upper bounds if was specified in MM
«IF ecoreFeature != null»
«IF ! isUnbounded(ecoreFeature)»«featureBoundComparator(it, targetVar, targetType)»«ENDIF»
««« Checking uniqueness in addition if upper bounds != 1
«IF ! isSingleValued(ecoreFeature) && ! isUnbounded(ecoreFeature)» || «ENDIF»
««« Checking uniqueness in if upper bounds !- 1
«IF ! isSingleValued(ecoreFeature)»«featureUniquenessComparator(it, targetVar, targetType)»«ENDIF»
«ENDIF»
'''
override featureBoundComparator(GenFeature it, String featureVar, GenClass featureVarGenClass) '''
«xptMetaModel.getFeatureValue(it, featureVar, featureVarGenClass)»
«IF ecoreFeature.upperBound == 1»
!= null
«ELSE»
.size() >= «ecoreFeature.upperBound»
«ENDIF»
'''
// Generate generic method if using semantic creation command based on element types framework.
def getCreateSemanticServiceEditCommand(GenDiagram it) '''
«IF it.eResource.allContents.filter(typeof(GenerateUsingElementTypeCreationCommand)).size > 0»
«generatedMemberComment»
protected org.eclipse.gmf.runtime.common.core.command.ICommand getSemanticCreationCommand(org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest req) {
org.eclipse.papyrus.infra.services.edit.service.IElementEditService commandService = org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils.getCommandProvider(req.getContainer());
if(commandService == null) {
return org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand.INSTANCE;
}
return commandService.getEditCommand(req);
}
«ENDIF»
'''
/**
* XXX for now, both constraints are injected into single method
* which may not be suitable for modification especially when mixing
* java and ocl constraints (former requires manual code).
* Better approach would be:
* if either is non-null and providers are not the same - introduce two methods,
* to check source and target separately. Otherwize, do it inplace.
*/
override canExist(GenLink it) '''
«generatedMemberComment()»
public boolean canExist«stringUniqueIdentifier()»(
«IF !it.sansDomain»
«canExistParameters(it.modelFacet)»
«ENDIF»
) {
«IF creationConstraints != null && creationConstraints.isValid() && it.diagram.editorGen.expressionProviders != null»
try {
«IF creationConstraints.sourceEnd != null»
«checkAdditionalConstraint(creationConstraints.sourceEnd.provider, creationConstraints.sourceEnd, 'source', 'target', creationConstraints.getSourceEndContextClass(), creationConstraints.getTargetEndContextClass())»
«ENDIF»
«IF creationConstraints.targetEnd != null»
«checkAdditionalConstraint(creationConstraints.targetEnd.provider, creationConstraints.targetEnd, 'target', 'source', creationConstraints.getTargetEndContextClass(), creationConstraints.getSourceEndContextClass())»
«ENDIF»
return true;
} catch(Exception e) {
«xptPluginActivator.instanceAccess(it.diagram.editorGen)».logError("Link constraint evaluation error", e); «nonNLS()»
return false;
}
«ELSE»
return true;
«ENDIF»
}
'''
override def getGEFWrapper(GenDiagram it) '''
«generatedMemberComment()»
protected final org.eclipse.gef.commands.Command getGEFWrapper(org.eclipse.gmf.runtime.common.core.command.ICommand cmd) {
return (cmd == null) ? org.eclipse.gef.commands.UnexecutableCommand.INSTANCE : new org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy(cmd);
}
'''
}
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