/*
 * Copyright (c) 2007-2011 by The Broad Institute, Inc. and the Massachusetts Institute of
 * Technology.  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.panel;

import com.jidesoft.swing.JideScrollPane;
import org.apache.log4j.Logger;

import javax.swing.*;
import java.awt.*;

/**
 * @author jrobinso
 */
public class TrackPanelScrollPane extends JideScrollPane implements Paintable {

    private static Logger log = Logger.getLogger(TrackPanelScrollPane.class);

    TrackPanel trackPanel;

    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);
    }

    @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;
        //this.verticalScrollBar.addAdjustmentListener(getNamePanel());
        //init();
    }

    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.debug("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);
    }
}

@@ -1351,16 +1351,97 @@
 a.awt.*;
+%0Aimport java.awt.event.AdjustmentEvent;%0Aimport java.awt.event.AdjustmentListener;
 %0A%0A/**%0A *
@@ -1648,16 +1648,49 @@
 ckPanel;
+%0A    boolean isScrolling = false;
 %0A%0A    pu
@@ -1973,16 +1973,16 @@
 NEVER);%0A
-
         
@@ -2067,16 +2067,773 @@
 ALWAYS);
+%0A%0A        // A fix for name panel painting problems.   Not sure why this is neccessary, but it is.%0A        // The adustment listener forces a repaint after a scroll action is complete.%0A        final JScrollBar sb = this.getVerticalScrollBar();%0A        sb.addAdjustmentListener(new AdjustmentListener() %7B%0A            public void adjustmentValueChanged(AdjustmentEvent adjustmentEvent) %7B%0A                if (isScrolling) %7B%0A                    if (!adjustmentEvent.getValueIsAdjusting()) %7B%0A                        isScrolling = false;%0A                        trackPanel.getNamePanel().repaint();%0A                    %7D%0A                %7D else %7B%0A                    isScrolling = adjustmentEvent.getValueIsAdjusting();%0A                %7D%0A%0A            %7D%0A        %7D);
 %0A    %7D%0A%0A

Fix for track name repaint problems after scrolling