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/**
* Copyright (c) 2007, 2010, 2013 Borland Software Corporation and others
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Dmitry Stadnik (Borland) - initial API and implementation
* Artem Tikhomirov (Borland) - introduced GenAuditContext entity
* straightforward and simple #validate() implementation
* Michael Golubev (Montages) - #386838 - migrate to Xtend2
*/
package aspects.xpt.providers
import com.google.inject.Inject
import com.google.inject.Singleton
import org.eclipse.gmf.codegen.gmfgen.GenAuditRoot
import org.eclipse.gmf.codegen.gmfgen.GenDiagram
import org.eclipse.gmf.codegen.gmfgen.GenDiagramElementTarget
import xpt.Common
import xpt.Common_qvto
import xpt.GenAuditRoot_qvto
import xpt.editor.VisualIDRegistry
import plugin.Activator
import xpt.CodeStyle
@Singleton class ValidationProvider extends xpt.providers.ValidationProvider {
@Inject extension Common;
@Inject extension Common_qvto;
@Inject extension GenAuditRoot_qvto;
@Inject extension CodeStyle
@Inject VisualIDRegistry xptVisualIDRegistry;
@Inject Activator xptActivator
override selectors(GenAuditRoot it) '''
«IF it !=null»
«IF it.clientContexts !=null»
«FOR ctx : it.clientContexts»
«generatedMemberComment»
public static class «ctx.className» implements org.eclipse.emf.validation.model.IClientSelector {
«generatedMemberComment»
public boolean selects(Object object) {
«IF ctx.ruleTargets.filter(typeof(GenDiagramElementTarget)).notEmpty»
if (isInDefaultEditorContext(object) && object instanceof org.eclipse.gmf.runtime.notation.View) {
final String id = «xptVisualIDRegistry.getVisualIDMethodCall(editorGen.diagram)»((org.eclipse.gmf.runtime.notation.View) object);
boolean result = false;
«FOR e : getTargetDiagramElements(ctx)»
result = result || «VisualIDRegistry::visualID(e)».equals(id);
«ENDFOR»
return result;
}
return false;
«ELSE»
return isInDefaultEditorContext(object);
«ENDIF»
}
}
«ENDFOR»
«ENDIF»
«ENDIF»
'''
override constraintAdapters(GenAuditRoot it, GenDiagram diagram) '''
«IF it !=null»
«IF diagram.editorGen.expressionProviders != null»
«FOR next : it.rules.filter[a | a.requiresConstraintAdapter]»
«constraintAdapter(next, diagram.editorGen.expressionProviders)»
«ENDFOR»
«IF it.rules.exists[a | a.requiresConstraintAdapter]»
«constraintAdapters_formatMethod(it)»
«ENDIF»
«ENDIF»
«ENDIF»
'''
override runWithActiveConstraints(GenDiagram it) '''
«generatedMemberComment»
public static void runWithConstraints(org.eclipse.emf.transaction.TransactionalEditingDomain editingDomain, Runnable operation) {
final Runnable op = operation;
Runnable task = new Runnable() {
«overrideI»
public void run() {
try {
constraintsActive = true;
op.run();
} finally {
constraintsActive = false;
}
}
};
if(editingDomain != null) {
try {
editingDomain.runExclusive(task);
} catch (Exception e) {
«xptActivator.qualifiedClassName(editorGen.plugin)».getInstance().logError("Validation failed", e); «nonNLS(1)»
}
} else {
task.run();
}
}
'''
override def strategy_support(GenDiagram it) '''
«IF hasDiagramElementTargetRule(editorGen.audits)»
«generatedMemberComment»
public static org.eclipse.emf.validation.service.ITraversalStrategy getNotationTraversalStrategy(
org.eclipse.emf.validation.service.IBatchValidator validator) {
return new CtxSwitchStrategy(validator);
}
«generatedMemberComment»
private static class CtxSwitchStrategy implements org.eclipse.emf.validation.service.ITraversalStrategy {
«generatedMemberComment»
private org.eclipse.emf.validation.service.ITraversalStrategy defaultStrategy;
«generatedMemberComment»
private String currentSemanticCtxId;
«generatedMemberComment»
private boolean ctxChanged = true;
«generatedMemberComment»
private org.eclipse.emf.ecore.EObject currentTarget;
«generatedMemberComment»
private org.eclipse.emf.ecore.EObject preFetchedNextTarget;
«generatedMemberComment»
private final String[] contextSwitchingIdentifiers;
«generatedMemberComment»
CtxSwitchStrategy(org.eclipse.emf.validation.service.IBatchValidator validator) {
this.defaultStrategy = validator.getDefaultTraversalStrategy();
this.contextSwitchingIdentifiers = new String[] {
«FOR e : getAllTargetDiagramElements(editorGen.audits) SEPARATOR ','»«VisualIDRegistry::visualID(e)»«ENDFOR»
};
java.util.Arrays.sort(this.contextSwitchingIdentifiers);
}
«generatedMemberComment»
public void elementValidated(org.eclipse.emf.ecore.EObject element,
org.eclipse.core.runtime.IStatus status) {
defaultStrategy.elementValidated(element, status);
}
«generatedMemberComment»
public boolean hasNext() {
return defaultStrategy.hasNext();
}
«generatedMemberComment»
public boolean isClientContextChanged() {
if (preFetchedNextTarget == null) {
preFetchedNextTarget = next();
prepareNextClientContext(preFetchedNextTarget);
}
return ctxChanged;
}
«generatedMemberComment»
public org.eclipse.emf.ecore.EObject next() {
org.eclipse.emf.ecore.EObject nextTarget = preFetchedNextTarget;
if (nextTarget == null) {
nextTarget = defaultStrategy.next();
}
this.preFetchedNextTarget = null;
return this.currentTarget = nextTarget;
}
«generatedMemberComment»
public void startTraversal(java.util.Collection traversalRoots, org.eclipse.core.runtime.IProgressMonitor monitor) {
defaultStrategy.startTraversal(traversalRoots, monitor);
}
«generatedMemberComment»
private void prepareNextClientContext(org.eclipse.emf.ecore.EObject nextTarget) {
if (nextTarget != null && currentTarget != null) {
if (nextTarget instanceof org.eclipse.gmf.runtime.notation.View) {
final String id = «xptVisualIDRegistry.getVisualIDMethodCall(editorGen.diagram)»((org.eclipse.gmf.runtime.notation.View) nextTarget);
String nextSemanticId = (id != null && java.util.Arrays.binarySearch(contextSwitchingIdentifiers, id) >= 0) ? id : null;
if ((currentSemanticCtxId != null && currentSemanticCtxId != nextSemanticId)
|| (nextSemanticId != null && nextSemanticId != currentSemanticCtxId)) {
this.ctxChanged = true;
}«/*[artem] not sure why not ctxChanged = <expr>, is it intentional not to reset ctxChanged if condition did not match? I doubt. FIXME?*/»
currentSemanticCtxId = nextSemanticId;
} else {
// context of domain model
this.ctxChanged = currentSemanticCtxId != null;
currentSemanticCtxId = null;
}
} else {
this.ctxChanged = false;
}
}
}
«ENDIF»
'''
}
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