/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.config.graph.model.commands;
import java.util.List;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.xml.core.internal.document.NodeImpl;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.springframework.ide.eclipse.config.graph.model.Activity;
import org.springframework.ide.eclipse.config.graph.model.StructuredActivity;
import org.w3c.dom.Node;
/**
* @author Leo Dos Santos
* @author Christian Dupuis
*/
@SuppressWarnings("restriction")
public class CreateCommand extends AbstractTextCommand {
private StructuredActivity parent;
private Activity child;
private IDOMElement parentElement;
private IDOMElement childElement;
private int index = -1;
private Rectangle bounds = null;
private final EditPartViewer viewer;
public CreateCommand(ITextEditor textEditor, EditPartViewer viewer) {
super(textEditor);
this.viewer = viewer;
}
@Override
public boolean canExecute() {
parentElement = parent.getInput();
childElement = child.getInput();
if (parentElement == null || childElement == null) {
return false;
}
Node ancestor = ((NodeImpl) parentElement).getCommonAncestor(childElement);
if (ancestor != null && (ancestor.equals(childElement))) {
return false;
}
List<String> children = processor.getChildNames(parentElement);
return children.contains(childElement.getNodeName());
}
/**
* @see org.eclipse.gef.commands.Command#execute()
*/
@Override
public void execute() {
if (index > 0) {
parent.addChild(child, index);
}
else {
parent.addChild(child);
}
if (bounds != null) {
child.modifyBounds(bounds);
}
Object part = viewer.getEditPartRegistry().get(child);
if (part instanceof EditPart) {
viewer.flush();
viewer.reveal((EditPart) part);
viewer.select((EditPart) part);
}
}
public void setBounds(Rectangle bounds) {
this.bounds = bounds;
}
/**
* Sets the Activity to create
* @param activity the Activity to create
*/
public void setChild(Activity activity) {
child = activity;
}
/**
* Sets the index to the passed value
* @param i the index
*/
public void setIndex(int i) {
index = i;
}
/**
* Sets the parent ActivityDiagram
* @param sa the parent
*/
public void setParent(StructuredActivity sa) {
parent = sa;
}
}