/*
* Copyright (c) 2007-2012 The Broad Institute, Inc.
* SOFTWARE COPYRIGHT NOTICE
* This software and its documentation are the copyright of the Broad Institute, Inc. All rights are reserved.
*
* This software is supplied without any warranty or guaranteed support whatsoever. The Broad Institute is not responsible for its use, misuse, or functionality.
*
* 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.
*/
package org.broad.igv.track;
import org.broad.igv.feature.Exon;
import org.broad.igv.feature.IExon;
import org.broad.igv.feature.IGVFeature;
import org.broad.igv.renderer.SelectableFeatureRenderer;
import htsjdk.tribble.Feature;
import java.awt.event.MouseEvent;
import java.util.HashSet;
import java.util.Set;
/**
* A FeatureTrack designed for selecting features/exons. Created to support Sashimi plot
* window
* User: jacob
* Date: 2013-Jan-28
*/
public class SelectableFeatureTrack extends FeatureTrack {
protected Set<IExon> selectedExons = new HashSet<IExon>();
public SelectableFeatureTrack(FeatureTrack geneTrack) {
super(geneTrack);
this.setRendererClass(SelectableFeatureRenderer.class);
}
@Override
public boolean handleDataClick(TrackClickEvent te) {
MouseEvent e = te.getMouseEvent();
Feature f = getFeatureAtMousePosition(te);
//We allow any of these modifier keys for multi-select
if (!e.isShiftDown() && !e.isControlDown() && !e.isMetaDown()) {
clearSelectedExons();
}
boolean foundExon = false;
if (f != null && f instanceof IGVFeature) {
selectedFeature = (IGVFeature) f;
double location = te.getFrame().getChromosomePosition(e.getX());
if (selectedFeature.getExons() != null) {
for (Exon exon : selectedFeature.getExons()) {
if (location >= exon.getStart() && location < exon.getEnd()) {
selectedExons.add(exon);
foundExon = true;
break;
}
}
}
}
((SelectableFeatureRenderer) getRenderer()).setSelectedExons(selectedExons);
return foundExon;
}
private void clearSelectedExons() {
this.selectedExons.clear();
}
public Set<IExon> getSelectedExons() {
return selectedExons;
}
}