/*******************************************************************************
* Copyright (c) 2007 Spring IDE Developers
* 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.webflow.core.internal.model;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.springframework.ide.eclipse.core.model.IModelElement;
import org.springframework.ide.eclipse.core.model.IModelElementVisitor;
import org.springframework.ide.eclipse.webflow.core.model.IGlobalTransitions;
import org.springframework.ide.eclipse.webflow.core.model.IStateTransition;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
import org.w3c.dom.NodeList;
/**
* @author Christian Dupuis
* @since 2.0
*/
@SuppressWarnings("restriction")
public class GlobalTransitions extends AbstractModelElement implements
IGlobalTransitions {
private List<IStateTransition> globalTransition = null;
@Override
public void init(IDOMNode node, IWebflowModelElement parent) {
super.init(node, parent);
this.globalTransition = new ArrayList<IStateTransition>();
NodeList children = node.getChildNodes();
if (children != null && children.getLength() > 0) {
for (int i = 0; i < children.getLength(); i++) {
IDOMNode child = (IDOMNode) children.item(i);
if ("transition".equals(child.getLocalName())) {
IStateTransition trans = new StateTransition();
trans.init(child, this);
this.globalTransition.add(trans);
}
}
}
}
public void addGlobalTransition(IStateTransition action) {
if (!this.globalTransition.contains(action)) {
WebflowModelXmlUtils.insertNode(action.getNode(), node);
this.globalTransition.add(action);
super.firePropertyChange(ADD_CHILDREN, new Integer(
this.globalTransition.indexOf(action)), action);
parent.fireStructureChange(MOVE_CHILDREN, this);
}
}
public void removeGlobalTransition(IStateTransition action) {
if (this.globalTransition.contains(action)) {
this.globalTransition.remove(action);
getNode().removeChild(action.getNode());
super.fireStructureChange(REMOVE_CHILDREN, action);
parent.fireStructureChange(MOVE_CHILDREN, this);
}
}
public void addGlobalTransition(IStateTransition action, int i) {
if (!this.globalTransition.contains(action)) {
if (this.globalTransition.size() > i) {
IStateTransition ref = this.globalTransition.get(i);
WebflowModelXmlUtils.insertBefore(action.getNode(), ref
.getNode());
}
else {
WebflowModelXmlUtils.insertNode(action.getNode(), node);
}
this.globalTransition.add(i, action);
super.firePropertyChange(ADD_CHILDREN, new Integer(i), action);
parent.fireStructureChange(MOVE_CHILDREN, this);
}
}
public List<IStateTransition> getGlobalTransitions() {
return this.globalTransition;
}
public void createNew(IWebflowModelElement parent) {
IDOMNode node = (IDOMNode) parent.getNode().getOwnerDocument()
.createElement("global-transitions");
init(node, parent);
}
public void removeAll() {
for (IStateTransition action : this.globalTransition) {
getNode().removeChild(action.getNode());
}
this.globalTransition = new ArrayList<IStateTransition>();
}
public void accept(IModelElementVisitor visitor,
IProgressMonitor monitor) {
if (!monitor.isCanceled() && visitor.visit(this, monitor)) {
for (IStateTransition state : getGlobalTransitions()) {
if (monitor.isCanceled()) {
return;
}
state.accept(visitor, monitor);
}
}
}
public IModelElement[] getElementChildren() {
List<IModelElement> children = new ArrayList<IModelElement>();
children.addAll(getGlobalTransitions());
return children.toArray(new IModelElement[children.size()]);
}
}