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/*******************************************************************************
* Copyright (c) 2007 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.actions;
import java.util.Iterator;
import java.util.List;
import org.eclipse.xsd.XSDAttributeDeclaration;
import org.eclipse.xsd.XSDConcreteComponent;
import org.eclipse.xsd.XSDModelGroup;
import org.eclipse.xsd.XSDParticle;
import org.eclipse.xsd.XSDParticleContent;
import org.w3c.dom.Node;
public class MoveXSDElementAction extends MoveXSDBaseAction
{
private static int INSERT_BEFORE = 0;
private static int INSERT_AFTER = 1;
private static int INSERT_DIRECT = 2;
protected List selectedNodes;
protected Node parentNode;
protected Node previousRefChild, nextRefChild;
int insertType;
XSDModelGroup parentModelGroup;
XSDConcreteComponent selected, previousRefComponent, nextRefComponent;
boolean insertAtEnd = true;
public MoveXSDElementAction(XSDModelGroup parentComponent, XSDConcreteComponent selected, XSDConcreteComponent previousRefChildComponent, XSDConcreteComponent nextRefChildComponent)
{
super();
this.parentModelGroup = parentComponent;
this.selected = selected;
this.previousRefComponent = previousRefChildComponent;
this.nextRefComponent = nextRefChildComponent;
if (parentComponent == null)
return;
parentNode = parentComponent.getElement();
nextRefChild = nextRefChildComponent != null ? nextRefChildComponent.getElement() : null;
previousRefChild = previousRefChildComponent != null ? previousRefChildComponent.getElement() : null;
if (nextRefComponent != null)
{
if (nextRefComponent.getContainer().getContainer() == parentModelGroup)
{
insertType = INSERT_BEFORE;
}
}
if (previousRefComponent != null)
{
if (previousRefComponent.getContainer().getContainer() == parentModelGroup)
{
insertType = INSERT_AFTER;
}
}
if (nextRefChildComponent == null && previousRefChildComponent == null)
{
insertType = INSERT_DIRECT;
}
}
public MoveXSDElementAction(XSDModelGroup parentComponent, XSDConcreteComponent selected, XSDConcreteComponent previousRefChildComponent, XSDConcreteComponent nextRefChildComponent, boolean insertAtEnd)
{
this(parentComponent, selected, previousRefChildComponent, nextRefChildComponent);
this.insertAtEnd = insertAtEnd;
}
public boolean canMove()
{
boolean result = true;
if (nextRefComponent instanceof XSDAttributeDeclaration || previousRefComponent instanceof XSDAttributeDeclaration || parentModelGroup == null)
return false;
return result;
}
/*
* @see IAction#run()
*/
public void run()
{
int originalIndex = 0;
for (Iterator particles = parentModelGroup.getContents().iterator(); particles.hasNext();)
{
XSDParticle particle = (XSDParticle) particles.next();
XSDParticleContent particleContent = particle.getContent();
if (particleContent == selected)
{
parentModelGroup.getContents().remove(particle);
break;
}
originalIndex++;
}
int index = 0;
boolean addedBack = false;
if (insertType == INSERT_DIRECT)
{
XSDConcreteComponent container = selected.getContainer();
if (container != null)
{
XSDConcreteComponent container2 = container.getContainer();
if (container2 instanceof XSDModelGroup)
{
((XSDModelGroup) container2).getContents().remove(container);
}
if (insertAtEnd)
parentModelGroup.getContents().add(container);
else
parentModelGroup.getContents().add(0, container);
addedBack = true;
}
return;
}
List particles = parentModelGroup.getContents();
for (Iterator iterator = particles.iterator(); iterator.hasNext();)
{
XSDParticle particle = (XSDParticle) iterator.next();
XSDParticleContent particleContent = particle.getContent();
if (insertType == INSERT_BEFORE)
{
if (particleContent == nextRefComponent)
{
parentModelGroup.getContents().add(index, selected.getContainer());
addedBack = true;
break;
}
if (selected == nextRefComponent && originalIndex == index)
{
parentModelGroup.getContents().add(index, selected.getContainer());
addedBack = true;
break;
}
}
else if (insertType == INSERT_AFTER)
{
if (particleContent == previousRefComponent)
{
parentModelGroup.getContents().add(index + 1, selected.getContainer());
addedBack = true;
break;
}
if (selected == previousRefComponent && originalIndex == index)
{
parentModelGroup.getContents().add(index, selected.getContainer());
addedBack = true;
break;
}
}
index++;
}
if (particles.size() == 0)
{
parentModelGroup.getContents().add(selected.getContainer());
addedBack = true;
}
if (!addedBack)
{
parentModelGroup.getContents().add(originalIndex, selected.getContainer());
}
}
}
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