/*
* Copyright (c) 2007-2011 by The Broad Institute of MIT and Harvard. All Rights Reserved.
*
* This software is licensed under the terms of the GNU Lesser General Public License (LGPL),
* Version 2.1 which is available at http://www.opensource.org/licenses/lgpl-2.1.php.
*
* THE SOFTWARE IS PROVIDED "AS IS." THE BROAD AND MIT MAKE NO REPRESENTATIONS OR
* WARRANTES OF ANY KIND CONCERNING THE SOFTWARE, EXPRESS OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT OR OTHER DEFECTS, WHETHER
* OR NOT DISCOVERABLE. IN NO EVENT SHALL THE BROAD OR MIT, OR THEIR RESPECTIVE
* TRUSTEES, DIRECTORS, OFFICERS, EMPLOYEES, AND AFFILIATES BE LIABLE FOR ANY DAMAGES
* OF ANY KIND, INCLUDING, WITHOUT LIMITATION, INCIDENTAL OR CONSEQUENTIAL DAMAGES,
* ECONOMIC DAMAGES OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF WHETHER
* THE BROAD OR MIT SHALL BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT
* SHALL KNOW OF THE POSSIBILITY OF THE FOREGOING.
*/
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.broad.igv.ui;
import org.broad.igv.track.Track;
import org.broad.igv.util.Filter;
import org.broad.igv.util.FilterElement;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author eflakes
*/
public class TrackFilter extends Filter {
private boolean showAll = false;
List<Track> currentTrackList;
public TrackFilter(String name, List<TrackFilterElement> elements) {
super(name, elements);
}
public void clearTracks() {
currentTrackList = null;
}
public void addTracks(List<Track> tracks) {
if (tracks == null || tracks.isEmpty())
return;
if (currentTrackList == null) {
currentTrackList = new ArrayList<Track>(tracks);
}
}
/**
* Evaluate the TrackFilterElement set.
*
* @return
*/
@Override
public void evaluate() {
if (currentTrackList == null || currentTrackList.isEmpty())
return;
boolean filterEnabled = isEnabled();
for (Track track : currentTrackList) {
// Must start as null which means no previous results
Boolean result = null;
// If filter is not enabled just show all tracks
if (!filterEnabled) {
track.setVisible(!filterEnabled);
continue;
}
if (track.isFilterable()) {
// Evaluate tracks
Iterator iterator = getFilterElements();
while (iterator.hasNext()) {
FilterElement element = (FilterElement) iterator.next();
result = element.evaluate(track, result);
}
track.setVisible(result);
}
}
}
}