| /******************************************************************************* |
| * 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()); |
| } |
| } |
| } |