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/*******************************************************************************
* Copyright (c) 2004, 2005 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.pageflow.command;
import java.util.List;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gef.commands.Command;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.PageflowMessages;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.Pageflow;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowNode;
/**
* This is the orphan child command for pageflow container
*
*/
public class OrphanChildCommand extends Command {
/** old location of pageflow node */
private Point oldLocation;
/** the parent pageflow */
private Pageflow pageflow;
/** the child pageflow node */
private PageflowNode child;
/** the index of pageflow nodes */
private int index;
/**
* Default constructor
*/
public OrphanChildCommand() {
// Pageflow.Commands.OrphanChildCommand.Label = Orphan Child
super(PageflowMessages.Pageflow_Commands_OrphanChildCommand_Label);
}
/*
* (non-Javadoc)
*
* @see Command#execute()
*/
public void execute() {
List children = pageflow.getNodes();
index = children.indexOf(child);
oldLocation = new Point(child.getX(), child.getY());
pageflow.getNodes().remove(child);
}
/*
* (non-Javadoc)
*
* @see Command#redo()
*/
public void redo() {
pageflow.getNodes().remove(child);
}
/*
* (non-Javadoc)
*
* @see Command#undo()
*/
public void undo() {
child.setX(oldLocation.x);
child.setY(oldLocation.y);
pageflow.getNodes().add(index, child);
}
/**
* set the child pageflow node
*
* @param child -
* child pageflow node
*/
public void setChild(PageflowNode child) {
this.child = child;
}
/**
* set the parent pageflow
*
* @param parent -
* parent pageflow
*/
public void setParent(Pageflow parent) {
pageflow = parent;
}
}
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