コード例 #1
0
void ActivityContainerCanvas::prepare_for_move(bool on_resize) {
  if (! on_resize) {
    // select all sub nodes
    Q3CanvasItemList all = canvas()->allItems();
    Q3CanvasItemList::Iterator cit;
    UmlCanvas * canvas = the_canvas();
    
    for (cit = all.begin(); cit != all.end(); ++cit) {
      if ((*cit)->visible() && !(*cit)->selected()) {
	DiagramItem * di = QCanvasItemToDiagramItem(*cit);
	
	if ((di != 0) &&
	    (di->get_bn() != 0) &&
	    (((BrowserNode *) di->get_bn()->parent()) == browser_node)) {
	  // must look at the type because some canvas items have browser_node
	  // attr set to the diagram and the parent of the diagram is the activity
	  switch (di->type()) {
	  case UmlActivityObject:
	  case UmlActivityAction:
	  case UmlActivityPartition:
	  case InitialAN:
	  case FlowFinalAN:
	  case ActivityFinalAN:
	  case DecisionAN:
	  case MergeAN:
	  case ForkAN:
	  case JoinAN:
	  case UmlExpansionRegion:
	  case UmlInterruptibleActivityRegion:
	    canvas->select(*cit);
	    ((DiagramCanvas *) di)->prepare_for_move(on_resize);
	    break;
	  default:
	    break;
	  }
	}
      }
    }

    // select points on lines having the two extremities selected or
    // connecting pin/parameter/expansion node of element selected
    for (cit = all.begin(); cit != all.end(); ++cit) {
      if ((*cit)->visible() && !(*cit)->selected() && isa_arrow(*cit)) {
	ArrowCanvas * ar = (ArrowCanvas *) *cit;
	DiagramItem * b;
	DiagramItem * e;
	
	ar->extremities(b, e);

	if (!b->isSelected() || !e->isSelected()) {
	  DiagramItem * start = ar->get_start();
	  DiagramItem * dest = ar->get_end();

	  if ((start->isSelected() || indirectly_selected(start)) &&
	      (dest->isSelected() || indirectly_selected(dest))) {
	    while (b->type() == UmlArrowPoint) {
	      canvas->select((ArrowPointCanvas *) b);
	      ar = ((ArrowPointCanvas *) b)->get_other(ar);
	      ar->extremities(b, e);
	    }

	    ar = (ArrowCanvas *) *cit;
	    ar->extremities(b, e);

	    while (e->type() == UmlArrowPoint) {
	      canvas->select((ArrowPointCanvas *) e);
	      ar = ((ArrowPointCanvas *) e)->get_other(ar);
	      ar->extremities(b, e);
	    }
	  }
	}
      }
    }
  }
}