/**
* MouseListener method for mouseUp events. Depending on the kind of event the appropriate hook
* method is called (popupMenuUp for popup trigger, doubleMouseClick for a double click, and
* mouseUp() and mouseClick() for normal mouse clicks).
*
* @param e MouseEvent which should be interpreted
* @param x x coordinate of the MouseEvent
* @param y y coordinate of the MouseEvent
*/
public void mouseUp(MouseEvent e, int x, int y) {
if (e.isPopupTrigger()) {
handlePopupMenu(e, x, y);
} else if (e.getClickCount() == 2) {
handleMouseDoubleClick(e, x, y);
} else {
super.mouseUp(e, x, y);
handleMouseUp(e, x, y);
handleMouseClick(e, x, y);
}
}
/**
* MouseListener method for mouseDown events. If the popup trigger has been activated, then the
* appropriate hook method is called.
*
* @param e MouseEvent which should be interpreted
* @param x x coordinate of the MouseEvent
* @param y y coordinate of the MouseEvent
*/
public void mouseDown(MouseEvent e, int x, int y) {
// isPopupTrigger() at mouseDown() is only notified at UNIX systems
if (e.isPopupTrigger()) {
handlePopupMenu(e, x, y);
} else {
super.mouseDown(e, x, y);
handleMouseDown(e, x, y);
}
}
/**
* Hook method which can be overriden by subclasses to provide specialised behaviour in the event
* of a popup trigger.
*/
protected void handlePopupMenu(MouseEvent e, int x, int y) {
Figure figure = drawing().findFigure(e.getX(), e.getY());
if (figure != null) {
Object attribute = figure.getAttribute(Figure.POPUP_MENU);
if (attribute == null) {
figure = drawing().findFigureInside(e.getX(), e.getY());
}
if (figure != null) {
showPopupMenu(figure, e.getX(), e.getY(), e.getComponent());
}
}
}
/**
* MouseListener method for mouseDrag events. Usually, mouse drags are ignored for popup menus or
* double clicks.
*
* @param e MouseEvent which should be interpreted
* @param x x coordinate of the MouseEvent
* @param y y coordinate of the MouseEvent
*/
public void mouseDrag(MouseEvent e, int x, int y) {
if (!e.isPopupTrigger()) {
super.mouseDrag(e, x, y);
}
}