/*
* Freeplane - mind map editor
* Copyright (C) 2011 dimitry
*
* This file author is dimitry
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.features.link;
import java.net.URI;
import javax.swing.Icon;
import org.freeplane.core.ui.components.ObjectAndIcon;
import org.freeplane.features.format.PatternFormat;
import org.freeplane.features.map.MapModel;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.ModeController;
import org.freeplane.features.text.AbstractContentTransformer;
import org.freeplane.features.text.TextController;
import org.freeplane.features.ui.FrameController;
/**
* @author Dimitry Polivaev
* Mar 3, 2011
*/
public class LinkTransformer extends AbstractContentTransformer {
private ModeController modeController;
public LinkTransformer(ModeController modeController, int priority) {
super(priority);
this.modeController = modeController;
}
public void registerListeners(ModeController modeController) {
final NodeUpdateChangeListener listener = new NodeUpdateChangeListener();
modeController.getMapController().addNodeChangeListener(listener);
modeController.getMapController().addMapChangeListener(listener);
}
public Object transformContent(TextController textController, Object content, NodeModel node, Object transformedExtension) {
if(PatternFormat.IDENTITY_PATTERN.equals(textController.getNodeFormat(node)))
return content;
final MapModel map = node.getMap();
return transformContent(content, map);
}
public Object transformContent(Object content, MapModel map) {
if(! (content instanceof URI))
return content;
final String string = content.toString();
if(! string.startsWith("#"))
return content;
final String nodeID=string.substring(1);
final NodeModel target = map.getNodeForID(nodeID);
if(target != null){
final String shortText = TextController.getController(modeController).getShortText(target);
final Icon icon = FrameController.localLinkIcon;
return new ObjectAndIcon(shortText, icon);
}
else
return content;
}
}