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/*******************************************************************************
* Copyright (c) 2001, 2006 IBM 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xsd.ui.internal.adt.actions;
import java.util.Iterator;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.wst.xsd.ui.internal.adt.editor.Messages;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IComplexType;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IField;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IModel;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IStructure;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;
public class DeleteAction extends BaseSelectionAction
{
public final static String ID = "org.eclipse.wst.xsd.ui.internal.editor.DeleteAction"; //$NON-NLS-1$
public DeleteAction(IWorkbenchPart part)
{
super(part);
setText(Messages._UI_ACTION_DELETE);
setId(ID);
setImageDescriptor(XSDEditorPlugin.getImageDescriptor("icons/delete_obj.gif") ); //$NON-NLS-1$
}
public void run()
{
for (Iterator i = ((IStructuredSelection) getSelection()).iterator(); i.hasNext(); )
{
Object selection = i.next();
Command command = null;
boolean doReselect = false;
IModel model = null;
if (selection instanceof IComplexType)
{
command = ((IComplexType)selection).getDeleteCommand();
model = ((IComplexType)selection).getModel();
doReselect = true;
}
else if (selection instanceof IField)
{
model = ((IField)selection).getModel();
if ( ((IField)selection).isGlobal())
{
doReselect = true;
}
command = ((IField)selection).getDeleteCommand();
}
else if (selection instanceof IStructure)
{
// Fallback for model groups and attribute groups.
IStructure structure = (IStructure)selection;
model = structure.getModel();
command = structure.getDeleteCommand();
}
if (command != null)
{
command.execute();
if (model != null && doReselect)
provider.setSelection(new StructuredSelection(model));
}
}
}
}
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