/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.commands;
import java.util.Collection;
import org.xmind.core.IImage;
import org.xmind.core.ITopic;
import org.xmind.gef.ISourceProvider;
import org.xmind.gef.command.ModifyCommand;
public class ModifyImageSourceCommand extends ModifyCommand {
public ModifyImageSourceCommand(ITopic topic, String newValue) {
super(topic, newValue);
}
public ModifyImageSourceCommand(IImage image, String newValue) {
super(image, newValue);
}
public ModifyImageSourceCommand(ISourceProvider topicOrImageProvider,
String newValue) {
super(topicOrImageProvider, newValue);
}
public ModifyImageSourceCommand(Collection<? extends IImage> images,
String newValue) {
super(images, newValue);
}
protected Object getValue(Object source) {
IImage image = getImage(source);
if (image != null) {
return image.getSource();
}
return null;
}
protected void setValue(Object source, Object value) {
IImage image = getImage(source);
if (image != null) {
if (value == null) {
image.setSource(null);
} else if (value instanceof String) {
image.setSource((String) value);
}
}
}
private IImage getImage(Object source) {
if (source instanceof IImage)
return (IImage) source;
if (source instanceof ITopic)
return ((ITopic) source).getImage();
return null;
}
}