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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.IContext;
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.jface.dialogs.MessageDialog;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
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.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.ui.PlatformUI;
public class RemoveJPAEntityFeature extends DefaultRemoveFeature {
public RemoveJPAEntityFeature(IFeatureProvider fp) {
super(fp);
}
public void preRemove(IRemoveContext context) {
PictogramElement pe = context.getPictogramElement();
// RestoreEntityFeature ft = new RestoreEntityFeature(getFeatureProvider());
// ICustomContext customContext = new CustomContext(new PictogramElement[] { pe });
// ft.execute(customContext);
final Object bo = getFeatureProvider().getBusinessObjectForPictogramElement(pe);
Set<Shape> shapesForDeletion = new HashSet<Shape>();
if (bo instanceof JavaPersistentType) {
JavaPersistentType jpt = (JavaPersistentType)bo;
JpaArtifactFactory.instance().restoreEntityClass(jpt, getFeatureProvider());
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);
}
//---------------------------------------------------------------------
//--Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=281345
//Job job = new Job("Remove JPA entity") { //$NON-NLS-1$
// protected IStatus run(IProgressMonitor monitor) {
String name = ((PersistentType)bo).getName();
getFeatureProvider().remove(name, true);
//return new Status(IStatus.OK,
// JPADiagramEditorPlugin.PLUGIN_ID,
// name + " is removed"); //$NON-NLS-1$
// }
//};
//job.schedule();
//---------------------------------------------------------------------
}
}
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider)super.getFeatureProvider();
}
public void execute(IContext ctx) {
if (!IRemoveContext.class.isInstance(ctx))
return;
IRemoveContext context = (IRemoveContext)ctx;
PictogramElement pe = context.getPictogramElement();
Object bo = getFeatureProvider().getBusinessObjectForPictogramElement(pe);
if (!JavaPersistentType.class.isInstance(bo))
return;
JavaPersistentType jpt = (JavaPersistentType)bo;
if (JPAEditorUtil.isEntityOpenElsewhere(jpt, true)) {
String shortEntName = JPAEditorUtil.returnSimpleName(JpaArtifactFactory.instance().getEntityName(jpt));
String message = NLS.bind(JPAEditorMessages.RemoveJPAEntityFeature_discardWarningMsg, shortEntName);
MessageDialog dialog = new MessageDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
JPAEditorMessages.JPASolver_closeEditors, null, message,
MessageDialog.WARNING, new String[]{JPAEditorMessages.BTN_OK, JPAEditorMessages.BTN_CANCEL}, 0) {
protected int getShellStyle() {
return SWT.CLOSE
| SWT.TITLE | SWT.BORDER
| SWT.APPLICATION_MODAL
| getDefaultOrientation();}};
if (dialog.open() != 0)
return;
}
super.execute(context);
}
}
|
