/*******************************************************************************
* 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.
*
* Contributors:
* Kamesh Sampath - initial implementation
* Gregory Amerson - initial implementation review and ongoing maintenance
*******************************************************************************/
package com.liferay.ide.portlet.core.model.internal;
import com.liferay.ide.portlet.core.model.CustomWindowState;
import com.liferay.ide.portlet.core.model.WindowState;
import org.eclipse.sapphire.Element;
import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.ImageData;
import org.eclipse.sapphire.ImageService;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.PropertyEvent;
/**
* @author Kamesh Sampath
*/
public class WindowStateImageService extends ImageService
{
private static final ImageData IMG_DEFAULT = ImageData.readFromClassLoader(
WindowStateImageService.class, "images/window_states.png" ).required(); //$NON-NLS-1$
private static final ImageData IMG_MAXIMIZED = ImageData.readFromClassLoader(
WindowStateImageService.class, "images/maximize.png" ).required(); //$NON-NLS-1$
private static final ImageData IMG_MINIMIZED = ImageData.readFromClassLoader(
WindowStateImageService.class, "images/minimize.png" ).required(); //$NON-NLS-1$
private Listener listener;
@Override
protected void initImageService()
{
this.listener = new FilteredListener<PropertyEvent>()
{
@Override
public void handleTypedEvent( final PropertyEvent event )
{
refresh();
}
};
context( Element.class ).attach( this.listener, WindowState.PROP_WINDOW_STATE.name() );
}
@Override
protected ImageData compute()
{
String strWindowState = null;
Element element = context( Element.class );
ImageData imageData = null;
if( element instanceof CustomWindowState )
{
CustomWindowState customWindowState = (CustomWindowState) element;
strWindowState = String.valueOf( customWindowState.getWindowState().content() );
}
else if( element instanceof WindowState )
{
WindowState windowState = (WindowState) element;
strWindowState = windowState.getWindowState().content();
}
if( "MAXIMIZED".equalsIgnoreCase( strWindowState ) ) //$NON-NLS-1$
{
imageData = IMG_MAXIMIZED;
}
else if( "MINIMIZED".equalsIgnoreCase( strWindowState ) ) //$NON-NLS-1$
{
imageData = IMG_MINIMIZED;
}
if( imageData == null )
{
imageData = IMG_DEFAULT;
}
return imageData;
}
@Override
public void dispose()
{
super.dispose();
context( Element.class ).detach( this.listener, WindowState.PROP_WINDOW_STATE.name() );
}
}