/*FreeMind - A Program for creating and viewing Mindmaps
*Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
*
*See COPYING for Details
*
*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, write to the Free Software
*Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/** this is only a test class */
package plugins.latex;
import java.awt.Component;
import java.awt.Container;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
import freemind.main.XMLElement;
import freemind.modes.MindMapNode;
import freemind.modes.mindmapmode.hooks.PermanentMindMapNodeHookAdapter;
import freemind.view.mindmapview.NodeView;
/**
* @author Dimitry Polivaev
*
* @file LatexNodeHook.java
* @package freemind.modes.mindmapmode
* */
public class LatexNodeHook extends PermanentMindMapNodeHookAdapter {
private String equation;
private Set viewers;
/**
*/
public LatexNodeHook() {
super();
equation = "\\mbox{I}^\\fgcolor{ff0000}{\\heartsuit}\\mbox{HotEqn}";
viewers = new LinkedHashSet();
}
public void onViewCreatedHook(NodeView nodeView) {
createViewer(nodeView);
super.onViewCreatedHook(nodeView);
}
public void onViewRemovedHook(NodeView nodeView) {
deleteViewer(nodeView);
super.onViewRemovedHook(nodeView);
}
private void deleteViewer(NodeView nodeView) {
if (viewers.isEmpty()) {
return;
}
final Container contentPane = nodeView.getContentPane();
final int componentCount = contentPane.getComponentCount();
for (int i = 0; i < componentCount; i++) {
Component component = contentPane.getComponent(i);
if (viewers.contains(component)) {
viewers.remove(component);
contentPane.remove(i);
return;
}
}
}
public void invoke(MindMapNode node) {
Iterator iterator = node.getViewers().iterator();
while (iterator.hasNext()) {
NodeView view = (NodeView) iterator.next();
createViewer(view);
}
super.invoke(node);
}
private void createViewer(NodeView view) {
JZoomedHotEqn comp = new JZoomedHotEqn(this);
viewers.add(comp);
view.getContentPane().add(comp);
}
public String getContent(String key) {
return equation;
}
public void setContent(String key, String content) {
equation = content;
Iterator iterator = viewers.iterator();
while (iterator.hasNext()) {
JZoomedHotEqn comp = (JZoomedHotEqn) iterator.next();
comp.setModel(this);
}
getController().nodeChanged(getNode());
}
public void loadFrom(XMLElement child) {
equation = child.getAttribute("EQUATION", equation).toString();
super.loadFrom(child);
}
public void save(XMLElement xml) {
super.save(xml);
xml.setAttribute("EQUATION", equation);
}
public void shutdownMapHook() {
Iterator iterator = viewers.iterator();
while (iterator.hasNext()) {
JZoomedHotEqn comp = (JZoomedHotEqn) iterator.next();
comp.getParent().remove(comp);
}
super.shutdownMapHook();
}
}