@Override
public void mousePressed(MouseEvent evt) {
if (getView() != null && getView().isEnabled()) {
super.mousePressed(evt);
DrawingView view = getView();
Handle handle = view.findHandle(anchor);
Tool newTracker = null;
if (handle != null) {
newTracker = getHandleTracker(handle);
} else {
Figure figure;
Drawing drawing = view.getDrawing();
Point2D.Double p = view.viewToDrawing(anchor);
if (isSelectBehindEnabled()
&& (evt.getModifiersEx() & (InputEvent.ALT_DOWN_MASK | InputEvent.CTRL_DOWN_MASK))
!= 0) {
// Select a figure behind the current selection
figure = view.findFigure(anchor);
while (figure != null && !figure.isSelectable()) {
figure = drawing.findFigureBehind(p, figure);
}
HashSet<Figure> ignoredFigures = new HashSet<Figure>(view.getSelectedFigures());
ignoredFigures.add(figure);
Figure figureBehind =
view.getDrawing().findFigureBehind(view.viewToDrawing(anchor), ignoredFigures);
if (figureBehind != null) {
figure = figureBehind;
}
} else {
// Note: The search sequence used here, must be
// consistent with the search sequence used by the
// DefaultHandleTracker, the DefaultSelectAreaTracker and DelegationSelectionTool.
// If possible, continue to work with the current selection
figure = null;
if (isSelectBehindEnabled()) {
for (Figure f : view.getSelectedFigures()) {
if (f.contains(p)) {
figure = f;
break;
}
}
}
// If the point is not contained in the current selection,
// search for a figure in the drawing.
if (figure == null) {
figure = view.findFigure(anchor);
while (figure != null && !figure.isSelectable()) {
figure = drawing.findFigureBehind(p, figure);
}
}
}
if (figure != null && figure.isSelectable()) {
newTracker = getDragTracker(figure);
} else {
if (!evt.isShiftDown()) {
view.clearSelection();
view.setHandleDetailLevel(0);
}
newTracker = getSelectAreaTracker();
}
}
if (newTracker != null) {
setTracker(newTracker);
}
tracker.mousePressed(evt);
}
}
