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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 java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IRemoveContext;
import org.eclipse.graphiti.features.context.impl.RemoveContext;
import org.eclipse.graphiti.features.impl.DefaultRemoveFeature;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
public class RemoveAndSaveEntityFeature extends DefaultRemoveFeature {
public RemoveAndSaveEntityFeature(IFeatureProvider fp) {
super(fp);
}
public void preRemove(IRemoveContext context) {
PictogramElement pe = context.getPictogramElement();
Object bo = getFeatureProvider().getBusinessObjectForPictogramElement(pe);
Set<Shape> shapesForDeletion = new HashSet<Shape>();
if (bo instanceof PersistentType) {
IFeatureProvider fp = getFeatureProvider();
List<Shape> lst = ((ContainerShape)pe).getChildren();
for (int i = lst.size() - 1; i >= 0; i--) {
Shape textShape = lst.get(i);
Object o = fp.getBusinessObjectForPictogramElement(textShape);
if ((o != null) && (o instanceof JavaPersistentAttribute)) {
shapesForDeletion.add(textShape);
}
}
Iterator<Shape> it = shapesForDeletion.iterator();
while(it.hasNext()) {
RemoveAttributeFeature f = new RemoveAttributeFeature(fp, false, true);
IRemoveContext ctx = new RemoveContext(it.next());
f.remove(ctx);
}
getFeatureProvider().remove(((PersistentType)bo).getName(), true);
}
}
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider)super.getFeatureProvider();
}
}
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