cmpcj/src/de/schwarzrot/control/support/TreeSelectionFilter.java


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/**
 * ======================== legal notice ======================
 * 
 * File:      TreeSelectionFilter.java
 * Created:   13. June 2012, 04:57
 * Author:    <a href="mailto:geronimo013@gmx.de">Geronimo</a>
 * Project:   cmpc - a java frontend (client) part of compound media player
 *                   uses external players to play the media
 * 
 * CMP - compound media player
 * 
 * is a client/server mediaplayer intended to play any media from any workstation
 * without the need to export or mount shares. cmps is an easy to use backend
 * with a (ready to use) HTML-interface. Additionally the backend supports
 * authentication via HTTP-digest authorization.
 * cmpc is a client with vdr-like osd-menues.
 * 
 * Copyright (c) 2012 Reinhard Mantey, some rights reserved!
 * published under Creative Commons by-sa
 * For details see http://creativecommons.org/licenses/by-sa/3.0/
 * 
 * The cmp project's homepage is at http://projects.vdr-developer.org/projects/cmp
 * 
 * --------------------------------------------------------------
 */
package de.schwarzrot.control.support;


import javax.swing.JTree;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import ca.odell.glazedlists.matchers.AbstractMatcherEditor;
import ca.odell.glazedlists.matchers.Matcher;
import de.schwarzrot.media.domain.Genre;
import de.schwarzrot.media.domain.Media;


public class TreeSelectionFilter extends AbstractMatcherEditor<Media> implements TreeSelectionListener {
    public TreeSelectionFilter(JTree tree) {
        this.tree = tree;
        tree.addTreeSelectionListener(this);
    }


    @Override
    public void valueChanged(TreeSelectionEvent e) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();

        if (node == null)
            return;
        Genre g = (Genre) node.getUserObject();
        Matcher<Media> newMatcher = new GenreSelector(g);

        fireChanged(newMatcher);
    }

    private JTree tree;
}