import jalview.viewmodel.OverviewDimensions;
import jalview.viewmodel.OverviewDimensionsHideHidden;
import jalview.viewmodel.OverviewDimensionsShowHidden;
+import jalview.viewmodel.ViewportListenerI;
import java.awt.BorderLayout;
import java.awt.CheckboxMenuItem;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeEvent;
public class OverviewPanel extends Panel implements Runnable,
- MouseMotionListener, MouseListener
+ MouseMotionListener, MouseListener, ViewportListenerI
{
private OverviewDimensions od;
add(oviewCanvas, BorderLayout.CENTER);
setSize(new Dimension(od.getWidth(), od.getHeight()));
+
+ av.getRanges().addPropertyChangeListener(this);
+
addComponentListener(new ComponentAdapter()
{
{
od.updateViewportFromMouse(evt.getX(), evt.getY(), av.getAlignment()
.getHiddenSequences(), av.getAlignment().getHiddenColumns());
- ap.setScrollValues(od.getScrollCol(), od.getScrollRow());
ap.paintAlignment(false);
}
}
*/
public void updateOverviewImage()
{
+ if (oviewCanvas == null)
+ {
+ /*
+ * panel has been disposed
+ */
+ return;
+ }
+
if ((getSize().width > 0) && (getSize().height > 0))
{
od.setWidth(getSize().width);
* changed
*
*/
- public void setBoxPosition()
+ private void setBoxPosition()
{
od.setBoxPosition(av.getAlignment()
.getHiddenSequences(), av
popup.show(this, e.getX(), e.getY());
}
+ @Override
+ public void propertyChange(PropertyChangeEvent evt)
+ {
+ setBoxPosition();
+ }
+
/*
* Toggle overview display between showing hidden columns and hiding hidden columns
*/
oviewCanvas.resetOviewDims(od);
updateOverviewImage();
}
+
+ /**
+ * Removes this object as a property change listener, and nulls references
+ */
+ protected void dispose()
+ {
+ try
+ {
+ av.getRanges().removePropertyChangeListener(this);
+ } finally
+ {
+ av = null;
+ oviewCanvas = null;
+ ap = null;
+ od = null;
+ }
+ }
}