/*
* 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.
*/
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.broad.igv.ui.panel;
import com.jidesoft.swing.JideScrollPane;
import org.apache.log4j.Logger;
import javax.swing.*;
import java.awt.*;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
/**
* @author jrobinso
*/
public class TrackPanelScrollPane extends JideScrollPane implements Paintable {
private static Logger log = Logger.getLogger(TrackPanelScrollPane.class);
TrackPanel trackPanel;
boolean isScrolling = false;
public TrackPanelScrollPane() {
setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(102, 102, 102)));
setForeground(new java.awt.Color(153, 153, 153));
setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
getVerticalScrollBar().setUnitIncrement(16);
addMouseWheelListener(new MouseWheelListener() {
public void mouseWheelMoved(MouseWheelEvent mouseWheelEvent) {
trackPanel.getNamePanel().repaint();
}
});
// A fix for name panel painting problems. Not sure why this is neccessary, but it is.
// The adustment listener forces a repaint after a scroll action is complete.
final JScrollBar sb = this.getVerticalScrollBar();
sb.addAdjustmentListener(new AdjustmentListener() {
public void adjustmentValueChanged(AdjustmentEvent adjustmentEvent) {
if (isScrolling) {
if (!adjustmentEvent.getValueIsAdjusting()) {
isScrolling = false;
trackPanel.getNamePanel().repaint();
}
} else {
isScrolling = adjustmentEvent.getValueIsAdjusting();
}
}
});
}
@Override
public void setBackground(Color color) {
super.setBackground(color);
if (trackPanel != null)
trackPanel.setBackground(color);
}
@Override
public void setViewportView(Component trackSetView) {
if (!(trackSetView instanceof TrackPanel)) {
throw new IllegalArgumentException("Class TrackPanelScrollPane can only contain a TrackPanel");
}
super.setViewportView(trackSetView);
this.trackPanel = (TrackPanel) trackSetView;
}
public TrackPanel getTrackPanel() {
return trackPanel;
}
public String getTrackPanelName() {
return trackPanel.getName();
}
public void minimizeHeight() {
int prefHeight = trackPanel.getPreferredPanelHeight();
if (prefHeight < trackPanel.getViewportHeight()) {
this.setSize(getWidth(), prefHeight);
}
}
public DataPanelContainer getDataPanel() {
return trackPanel.getDataPanelContainer();
}
public boolean isEmpty() {
return !trackPanel.hasTracks();
}
public TrackNamePanel getNamePanel() {
return trackPanel.getNamePanel();
}
@Override
public void doLayout() {
log.trace("Layout");
super.doLayout(); //To change body of overridden methods use File | Settings | File Templates.
trackPanel.revalidate();
//trackPanel.doLayout();
}
public void paintOffscreen(Graphics2D g, Rectangle tspRect) {
trackPanel.paintOffscreen(g, tspRect);
}
}