+
+ /*
+ * Displays the popup menu and acts on user input
+ */
+ private void showPopupMenu(MouseEvent e)
+ {
+ PopupMenu popup = new PopupMenu();
+ ItemListener menuListener = new ItemListener()
+ {
+ @Override
+ public void itemStateChanged(ItemEvent e)
+ {
+ toggleHiddenColumns();
+ }
+ };
+ CheckboxMenuItem item = new CheckboxMenuItem(
+ MessageManager.getString("label.togglehidden"));
+ item.setState(showHidden);
+ popup.add(item);
+ item.addItemListener(menuListener);
+ this.add(popup);
+ 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
+ */
+ private void toggleHiddenColumns()
+ {
+ if (showHidden)
+ {
+ showHidden = false;
+ od = new OverviewDimensionsHideHidden(av.getRanges(),
+ (av.isShowAnnotation()
+ && av.getAlignmentConservationAnnotation() != null));
+ }
+ else
+ {
+ showHidden = true;
+ od = new OverviewDimensionsShowHidden(av.getRanges(),
+ (av.isShowAnnotation()
+ && av.getAlignmentConservationAnnotation() != null));
+ }
+ oviewCanvas.resetOviewDims(od);
+ updateOverviewImage();
+ }
+
+ /**
+ * Removes this object as a property change listener, and nulls references
+ */
+ protected void dispose()
+ {
+ try
+ {
+ av.getRanges().removePropertyChangeListener(this);
+ Frame parent = (Frame) getParent();
+ parent.dispose();
+ parent.setVisible(false);
+ } finally
+ {
+ av = null;
+ oviewCanvas = null;
+ ap = null;
+ od = null;
+ }
+ }