/**
* Determines whether or not the given mouse event is actually a popup trigger.
*
* @param aPoint the <em>corrected</em> mouse position, where the popup is to be shown, cannot be
* <code>null</code>;
* @param aEvent the mouse event that could be a popup trigger, cannot be <code>null</code>.
*/
private boolean handlePopupTrigger(final Point aPoint, final MouseEvent aEvent) {
final boolean popupTrigger = isCursorPopupTrigger(aEvent);
if (popupTrigger) {
JPopupMenu contextMenu = createCursorPopup(aPoint, aEvent.getLocationOnScreen());
if (contextMenu != null) {
contextMenu.show(aEvent.getComponent(), aEvent.getX(), aEvent.getY());
// Mark the event as consumed...
aEvent.consume();
}
}
return popupTrigger;
}
/**
* @param aEvent
* @param aStartPoint
*/
protected void handleZoomRegion(final MouseEvent aEvent, final Point aStartPoint) {
// For now, disabled by default as it isn't 100% working yet...
if (Boolean.FALSE.equals(Boolean.valueOf(System.getProperty("zoomregionenabled", "false")))) {
return;
}
final JComponent source = (JComponent) aEvent.getComponent();
final boolean dragging = (aEvent.getID() == MouseEvent.MOUSE_DRAGGED);
final GhostGlassPane glassPane =
(GhostGlassPane) SwingUtilities.getRootPane(source).getGlassPane();
Rectangle viewRect;
final JScrollPane scrollPane =
SwingComponentUtils.getAncestorOfClass(JScrollPane.class, source);
if (scrollPane != null) {
final JViewport viewport = scrollPane.getViewport();
viewRect = SwingUtilities.convertRectangle(viewport, viewport.getVisibleRect(), glassPane);
} else {
viewRect = SwingUtilities.convertRectangle(source, source.getVisibleRect(), glassPane);
}
final Point start = SwingUtilities.convertPoint(source, aStartPoint, glassPane);
final Point current = SwingUtilities.convertPoint(source, aEvent.getPoint(), glassPane);
if (dragging) {
if (!glassPane.isVisible()) {
glassPane.setVisible(true);
glassPane.setRenderer(new RubberBandRenderer(), start, current, viewRect);
} else {
glassPane.updateRenderer(start, current, viewRect);
}
glassPane.repaintPartially();
} else
/* if ( !dragging ) */
{
// Fire off a signal to the zoom controller to do its job...
this.controller.getZoomController().zoomRegion(aStartPoint, aEvent.getPoint());
glassPane.setVisible(false);
}
}
/**
* Sets the current mouse cursor.
*
* @param aMouseCursor a mouse cursor, can be <code>null</code> to use the default cursor.
*/
protected final void setMouseCursor(final MouseEvent aEvent, final java.awt.Cursor aMouseCursor) {
aEvent.getComponent().setCursor(aMouseCursor);
}
/**
* @param aEvent
* @return
*/
protected final MouseEvent convertEvent(final MouseEvent aEvent) {
JComponent view = SwingComponentUtils.getDeepestComponentAt(aEvent);
return SwingUtilities.convertMouseEvent(aEvent.getComponent(), aEvent, view);
}