/*
* The MIT License (MIT)
*
* Copyright (c) 2007-2015 Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/*
* 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);
}
}
}
}