/** Handles mouse down events and starts the corresponding tracker. */
public void mouseDown(MouseEvent e, int x, int y) {
// on MS-Windows NT: AWT generates additional mouse down events
// when the left button is down && right button is clicked.
// To avoid dead locks we ignore such events
if (fChild != null) {
return;
}
view().freezeView();
Handle handle = view().findHandle(e.getX(), e.getY());
if (handle != null) {
fChild = createHandleTracker(view(), handle);
} else {
Figure figure = drawing().findFigure(e.getX(), e.getY());
if (figure != null) {
fChild = createDragTracker(figure);
} else {
if (!e.isShiftDown()) {
view().clearSelection();
}
fChild = createAreaTracker();
}
}
fChild.mouseDown(e, x, y);
fChild.activate();
}
/**
* Sets the active Tool for this EditDomain. If a current Tool is active, it is deactivated. The
* new Tool is told its EditDomain, and is activated.
*
* @param tool the Tool
*/
public void setActiveTool(Tool tool) {
if (activeTool != null) activeTool.deactivate();
activeTool = tool;
if (activeTool != null) {
activeTool.setEditDomain(this);
activeTool.activate();
}
}
private void setTool(Tool t, String name) {
if (fTool != null) {
fTool.deactivate();
}
fTool = t;
if (fTool != null) {
showStatus(name);
fTool.activate();
}
}
protected void setTracker(Tool newTracker) {
if (tracker != null) {
tracker.deactivate(getEditor());
tracker.removeToolListener(this);
}
tracker = newTracker;
if (tracker != null) {
tracker.activate(getEditor());
tracker.addToolListener(this);
}
}
public void toolDone(ToolEvent event) {
// Empty
Tool newTracker = getSelectAreaTracker();
if (newTracker != null) {
if (tracker != null) {
tracker.deactivate(getEditor());
tracker.removeToolListener(this);
}
tracker = newTracker;
tracker.activate(getEditor());
tracker.addToolListener(this);
}
fireToolDone();
}
@Override
public void setActiveTool(final Tool activeTool) {
if (this.activeTool == activeTool) return; // nothing to do
assert this.activeTool != null;
if (activeTool == null) {
throw new IllegalArgumentException("Active tool cannot be null");
}
// deactivate old tool
this.activeTool.deactivate();
eventService.publish(new ToolDeactivatedEvent(this.activeTool));
// activate new tool
this.activeTool = activeTool;
activeTool.activate();
eventService.publish(new ToolActivatedEvent(activeTool));
}
@Override
public void activate(DrawingEditor editor) {
super.activate(editor);
tracker.activate(editor);
}