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/*******************************************************************************
* Copyright (c) 2006 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.pagedesigner.commands;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jst.pagedesigner.dom.IDOMPosition;
import org.eclipse.jst.pagedesigner.editors.palette.IDropSourceData;
import org.eclipse.jst.pagedesigner.utils.CommandUtil;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.w3c.dom.Element;
/**
* @author mengbo
*/
public class CreateItemCommand extends DesignerCommand implements ICustomizableCommand
{
private final IDOMPosition _position;
private final IDropSourceData _creationProvider;
private Element _ele;
private IAdaptable _customizationData;
/**
* @param label
* @param model
* @param position
* @param creationProvider
*/
public CreateItemCommand(String label, IDOMModel model,
IDOMPosition position, IDropSourceData creationProvider) {
super(label, model.getDocument());
this._position = position;
this._creationProvider = creationProvider;
}
/**
* @return the dom position for the drop
*/
public IDOMPosition getPosition()
{
return _position;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute()
*/
protected void doExecute()
{
Element element = CommandUtil.executeInsertion(
_creationProvider,
getModel(), this._position, this._customizationData);
if (element != null)
{
formatNode(element);
}
this._ele = element;
}
@Override
protected void postPostExecute()
{
// during JUnit testing, we may not have viewer.
// this will cause us not to have undo support,
// but should not effect testing for this command
if (getViewer() != null)
{
super.postPostExecute();
}
}
@Override
protected boolean prePreExecute()
{
// during JUnit testing, we may not have viewer.
// this will cause us not to have undo support,
// but should not effect testing for this command
if (getViewer() != null)
{
return super.prePreExecute();
}
return true;
}
/*
* (non-Javadoc)
*
* @seeorg.eclipse.jst.pagedesigner.commands.DesignerCommand#
* getAfterCommandDesignerSelection()
*/
protected ISelection getAfterCommandDesignerSelection() {
return toDesignSelection(_ele);
}
/**
* @param customizationData
*/
public void setCustomizationData(IAdaptable customizationData)
{
_customizationData = customizationData;
}
/**
* This method is for test purposes and should generally not be
* used by clients.
*
* @return the customization data
*/
protected final IAdaptable getCustomizationData()
{
return _customizationData;
}
/**
* @return the result of the command execution
* TODO: add Object getResult() method to DesignerCommand
*/
protected Element getResult()
{
return this._ele;
}
}
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