void FragmentCanvas::prepare_for_move(bool on_resize) {
if (!on_resize) {
DiagramCanvas::prepare_for_move(on_resize);
QRect r = rect();
Q3CanvasItemList l = collisions(TRUE);
Q3CanvasItemList::ConstIterator it;
Q3CanvasItemList::ConstIterator end = l.end();
DiagramItem * di;
for (it = l.begin(); it != end; ++it) {
if ((*it)->visible() && // at least not deleted
!(*it)->selected() &&
((di = QCanvasItemToDiagramItem(*it)) != 0) &&
r.contains(di->rect(), TRUE) &&
di->move_with(UmlFragment)) {
the_canvas()->select(*it);
di->prepare_for_move(FALSE);
}
}
}
}
// resize this to contain its sub elements
void ActivityContainerCanvas::resize_to_contain(Q3CanvasItemList & all,
BooL & need_sub_upper) {
Q3CanvasItemList::Iterator cit;
BrowserNode * browser_node = get_bn();
QRect r = rect();
int resize_left = 0;
int resize_right = 0;
int resize_top = 0;
int resize_bottom = 0;
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 equals to the diagram and the parent of the diagram is the activity
switch (di->type()) {
case UmlActivityObject:
case UmlActivityAction:
case UmlActivityPartition:
case UmlExpansionRegion:
case UmlInterruptibleActivityRegion:
case InitialAN:
case FlowFinalAN:
case ActivityFinalAN:
case DecisionAN:
case MergeAN:
case ForkAN:
case JoinAN:
{
QRect di_r = di->rect();
int dx = 0;
int dy = 0;
if (di_r.left() < r.left()) {
dx = r.left() - di_r.left();
if (dx > resize_left)
resize_left = dx;
}
if (di_r.right() > r.right()) {
dx = di_r.right() - r.right();
if (dx > resize_right)
resize_right = dx;
}
if (di_r.top() < r.top()) {
dy = r.top() - di_r.top();
if (dy > resize_top)
resize_top = dy;
}
if (di_r.bottom() > r.bottom()) {
dy = di_r.bottom() - r.bottom();
if (dy > resize_bottom)
resize_bottom = dy;
}
}
need_sub_upper |= ((*cit)->z() <= z());
break;
default:
break;
}
}
}
}
int dx = 0;
int dy = 0;
int dw = 0;
int dh = 0;
if (resize_top != 0) {
dy = -resize_top;
dh = resize_top;
}
if (resize_bottom != 0)
dh += resize_bottom;
if (resize_left != 0) {
dx = -resize_left;
dw = resize_left;
}
if (resize_right != 0)
dw += resize_right;
if ((dx != 0) || (dy != 0)) {
moveBy(dx, dy);
moveSelfRelsBy(dx, dy);
}
if ((dw != 0) || (dh != 0))
DiagramCanvas::resize(width() + dw, height() + dh);
}