/**
* Defaults to typical marquee behaviour when the marquee palette button is selected. Otherwise,
* if there is nothing under the mouse upon a mouse press a new net element will be added. If
* there is a vertex or condition under the mouse this method will not be invoked , relying
* instead on the default behaviour of {@link BasicMarqueeHandler}, which is typically to begin a
* select/drag operation on the element. If there is a valid outgoing flow under the mouse, this
* is a trigger to begin drawing a flow relation.
*/
public void mousePressed(MouseEvent event) {
if (SwingUtilities.isRightMouseButton(event)
|| paletteBar.getState() == Palette.SelectionState.MARQUEE) {
super.mousePressed(event);
return;
}
State oldState = state;
switch (oldState) {
case ABOVE_VERTEX:
{
state = State.DRAGGING_VERTEX;
break;
}
case ABOVE_OUTGOING_PORT:
{
state = State.DRAWING_FLOW_RELATION;
getNet().setCursor(CursorFactory.getCustomCursor(CursorFactory.HIDDEN));
break;
}
case ABOVE_CANVAS:
{
Point2D snapPoint = getNearestSnapPoint(event.getPoint());
state = State.ABOVE_VERTEX;
switch (paletteBar.getState()) {
case CONDITION:
{
NetCellFactory.insertCondition(getNet(), snapPoint);
break;
}
case ATOMIC_TASK:
{
NetCellFactory.insertAtomicTask(getNet(), snapPoint);
break;
}
case MULTIPLE_ATOMIC_TASK:
{
NetCellFactory.insertMultipleAtomicTask(getNet(), snapPoint);
break;
}
case COMPOSITE_TASK:
{
NetCellFactory.insertCompositeTask(getNet(), snapPoint);
break;
}
case MULTIPLE_COMPOSITE_TASK:
{
NetCellFactory.insertMultipleCompositeTask(getNet(), snapPoint);
break;
}
}
break;
}
}
doStateTransitionProcessing(event.getPoint(), oldState, state);
}
private void matchCursorTo(int cursorType) {
getNet().setCursor(CursorFactory.getCustomCursor(cursorType));
paletteBar.refreshSelected();
}