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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* 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:
* Kiril Mitov - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.feature;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.graphiti.features.IAddFeature;
import org.eclipse.graphiti.features.IDirectEditingInfo;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.features.context.ICustomContext;
import org.eclipse.graphiti.features.context.impl.AddContext;
import org.eclipse.graphiti.features.context.impl.CustomContext;
import org.eclipse.graphiti.features.custom.ICustomFeature;
import org.eclipse.graphiti.features.impl.AbstractAddShapeFeature;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.algorithms.Text;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.Wrp;
public class AddAttributeFeature extends AbstractAddShapeFeature {
private IAddFeature graphicalAdd;
private ICustomFeature expandCompartmentFeature;
public AddAttributeFeature(IFeatureProvider fp) {
this(fp, new GraphicalAddAttributeFeature(fp), new ExpandCompartmentShapeFeature(fp));
}
public AddAttributeFeature(IFeatureProvider fp, IAddFeature graphicalAdd, ICustomFeature expandFeature) {
super(fp);
this.graphicalAdd = graphicalAdd;
expandCompartmentFeature = expandFeature;
}
public PictogramElement add(final IAddContext context) {
Object o = context.getNewObject();
if (!(o instanceof JavaPersistentAttribute)) {
return null;
}
final JavaPersistentAttribute newAttr = (JavaPersistentAttribute) o;
// JpaArtifactFactory.instance().refreshEntityModel(getFeatureProvider(), (JavaPersistentType)newAttr.getParent());
getFeatureProvider().putKeyToBusinessObject(getFeatureProvider().getKeyForBusinessObject(newAttr), newAttr);
PictogramElement pe = getFeatureProvider().getPictogramElementForBusinessObject(newAttr);
if (pe != null)
return pe;
TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(context.getTargetContainer());
final Wrp wrp = new Wrp();
ted.getCommandStack().execute(new RecordingCommand(ted) {
protected void doExecute() {
ContainerShape textShape = graphicalAdd(context.getTargetContainer(), newAttr);
expand(newAttr);
enableDirectAfterAdding(textShape);
wrp.setObj(textShape);
}
});
return (PictogramElement)wrp.getObj();
}
private void expand(JavaPersistentAttribute jpa) {
ContainerShape attributeShape = (ContainerShape) getFeatureProvider().getPictogramElementForBusinessObject(jpa);
ICustomContext customContext = new CustomContext(new PictogramElement[] { attributeShape.getContainer() });
expandCompartmentFeature.execute(customContext);
}
private ContainerShape graphicalAdd(ContainerShape entityShape, JavaPersistentAttribute newAttr) {
AddContext context = new AddContext();
context.setNewObject(newAttr);
context.setTargetContainer(entityShape);
ContainerShape textShape = (ContainerShape) graphicalAdd.add(context);
return textShape;
}
private void enableDirectAfterAdding(ContainerShape textShape) {
GraphicsAlgorithm ga = textShape.getGraphicsAlgorithm();
final GraphicsAlgorithm graphicsAlgorithm = ga.getGraphicsAlgorithmChildren().get(0);
if (graphicsAlgorithm instanceof Text) {
Text text = (Text) graphicsAlgorithm;
IDirectEditingInfo directEditingInfo = getFeatureProvider().getDirectEditingInfo();
directEditingInfo.setMainPictogramElement(textShape);
directEditingInfo.setPictogramElement(textShape);
directEditingInfo.setGraphicsAlgorithm(text);
}
}
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider) super.getFeatureProvider();
}
public boolean canAdd(IAddContext context) {
Object o = context.getNewObject();
return o instanceof JavaPersistentAttribute;
}
}
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