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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:
* Stefan Dimov - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.feature;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IContext;
import org.eclipse.graphiti.features.context.ICustomContext;
import org.eclipse.graphiti.features.custom.AbstractCustomFeature;
import org.eclipse.graphiti.features.custom.ICustomFeature;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.i18n.JPAEditorMessages;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
public class CollapseAllEntitiesFeature extends AbstractCustomFeature implements ICustomFeature{
public CollapseAllEntitiesFeature(IFeatureProvider fp) {
super(fp);
}
public void execute(ICustomContext context) {
Diagram diagram = getFeatureProvider().getDiagramTypeProvider().getDiagram();
final EList<Shape> entShapes = diagram.getChildren();
TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(diagram);
ted.getCommandStack().execute(new RecordingCommand(ted) {
protected void doExecute() {
for (final PictogramElement el : entShapes) {
String collapseFeatures = Graphiti.getPeService().getPropertyValue(el, JPAEditorConstants.COLLAPSE_FEATURES);
if (collapseFeatures == null) {
GraphicsAlgorithm algo = el.getGraphicsAlgorithm();
algo.setHeight(JPAEditorConstants.ENTITY_MIN_HEIGHT);
Graphiti.getPeService().setPropertyValue(el, JPAEditorConstants.COLLAPSE_FEATURES, String.valueOf(JPAEditorConstants.ENTITY_MIN_HEIGHT));
JPAEditorUtil.rearrangeAllConnections((ContainerShape) el, getFeatureProvider(), false);
}
}
}
});
}
@Override
public boolean canExecute(ICustomContext context) {
return true;
}
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider)super.getFeatureProvider();
}
@Override
public boolean isAvailable(IContext context) {
return true;
}
@Override
public String getName() {
return JPAEditorMessages.JPAEditorToolBehaviorProvider_collapseAllEntitiesMenuItem;
}
}
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