/*******************************************************************************
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
*******************************************************************************/
package com.liferay.ide.project.core.modules;
import com.liferay.ide.core.util.CoreUtil;
import org.eclipse.core.resources.IProject;
import org.eclipse.sapphire.DerivedValueService;
import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.PropertyContentEvent;
import org.eclipse.sapphire.Value;
/**
* @author Simon Jiang
*/
public class NewLiferayComponentLocationDerivedService extends DerivedValueService
{
private FilteredListener<PropertyContentEvent> listener;
@Override
protected void initDerivedValueService()
{
super.initDerivedValueService();
this.listener = new FilteredListener<PropertyContentEvent>()
{
@Override
protected void handleTypedEvent( PropertyContentEvent event )
{
refresh();
}
};
op().property( NewLiferayComponentOp.PROP_PROJECT_NAME ).attach( this.listener );
}
@Override
protected String compute()
{
String retVal = null;
final Value<String> projectName = op().getProjectName();
if( projectName != null )
{
final String iProjectName = projectName.content( true );
if( iProjectName != null )
{
final IProject project = CoreUtil.getProject( iProjectName );
if( project != null )
{
return project.getLocation().toOSString();
}
}
}
return retVal;
}
private NewLiferayComponentOp op()
{
return context( NewLiferayComponentOp.class );
}
@Override
public void dispose()
{
if( op() != null )
{
op().property( NewLiferayComponentOp.PROP_PROJECT_NAME ).detach( this.listener );
}
super.dispose();
}
}