void SimpleRelationCanvas::drop(BrowserNode * bn, UmlCanvas * canvas)
{
SimpleRelationData * def = (SimpleRelationData *) bn->get_data();
BrowserNode * from = def->get_start_node();
BrowserNode * to = def->get_end_node();
DiagramItem * ccfrom = 0;
DiagramItem * ccto = 0;
Q3CanvasItemList all = canvas->allItems();
Q3CanvasItemList::Iterator cit;
// the two classes are drawn ?
for (cit = all.begin(); cit != all.end(); ++cit) {
if ((*cit)->visible()) {
DiagramItem * adi = QCanvasItemToDiagramItem(*cit);
if (adi != 0) {
if (adi->get_bn() == from) {
ccfrom = adi;
if (ccto != 0)
break;
}
if (adi->get_bn() == to) {
ccto = adi;
if (ccfrom != 0)
break;
}
}
}
}
if ((ccfrom != 0) && (ccto != 0)) {
if (ccfrom->has_relation(def))
msg_information("Douml", "relation already drawn");
else {
SimpleRelationCanvas * rel =
new SimpleRelationCanvas(canvas, ccfrom, ccto, from,
bn->get_type(), 0, -1.0, -1.0, def);
rel->show();
rel->package_modified();
}
}
}
void FlowCanvas::drop(BrowserNode * bn, UmlCanvas * canvas)
{
FlowData * def = (FlowData *) bn->get_data();
BrowserNode * from = def->get_start_node();
BrowserNode * to = def->get_end_node();
DiagramItem * difrom = 0;
DiagramItem * dito = 0;
Q3CanvasItemList all = canvas->allItems();
Q3CanvasItemList::Iterator cit;
// the two extremities are drawn ?
for (cit = all.begin(); cit != all.end(); ++cit) {
if ((*cit)->visible()) {
DiagramItem * di = QCanvasItemToDiagramItem(*cit);
if (di != 0) {
if (di->get_bn() == from) {
difrom = di;
if (dito != 0)
break;
}
if (di->get_bn() == to) {
dito = di;
if (difrom != 0)
break;
}
}
}
}
if ((difrom != 0) && (dito != 0)) {
if (difrom->has_relation(UmlFlow, def))
msg_information("Bouml", TR("flow already drawn"));
else {
FlowCanvas * tr =
new FlowCanvas(canvas, difrom, dito, from, 0, -1.0, -1.0, def);
tr->show();
tr->package_modified();
}
}
}