void StateDiagramView::mousePressEvent(QMouseEvent * e)
{
QPoint diagramPoint(e->x(), e->y());
QPointF scenePoint = mapToScene(diagramPoint);
if (!window()->frozen()) {
UmlCode action = window()->buttonOn();
switch (action) {
case UmlState: {
history_protected = TRUE;
unselect_all();
window()->selectOn();
history_save();
QGraphicsItem * ci = the_canvas()->collision(scenePoint.toPoint());
DiagramItem * di;
bool specified = ((ci != 0) &&
((di = QCanvasItemToDiagramItem(ci)) != 0) &&
(di->typeUmlCode() == UmlState) &&
((BrowserState *)((StateCanvas *) di)->get_bn())->may_contains(action));
BrowserNode * parent;
if (specified) {
if ((parent = ((StateCanvas *) di)->pointed_region(scenePoint.toPoint())) == 0)
parent = ((StateCanvas *) di)->get_bn();
}
else
parent = (BrowserNode *) window()->browser_diagram()->parent();
BrowserNode * b = BrowserState::get_state(parent);
if (b != 0) {
if (the_canvas()->already_drawn(b)) {
msg_information("Douml", TR("already drawn"));
history_protected = FALSE;
return;
}
// may be added in a the state's region rather than the state
StateCanvas * c = new StateCanvas(b, the_canvas(), scenePoint.x(), scenePoint.y());
c->show();
c->upper();
canvas()->update();
StateCanvas::force_inside(c, TRUE);
canvas()->update();
history_protected = FALSE;
window()->package_modified();
return; // canvas already updated
}
}
break;
case UmlRegion: {
history_protected = TRUE;
unselect_all();
window()->selectOn();
history_save();
QGraphicsItem * ci = the_canvas()->collision(scenePoint.toPoint());
DiagramItem * di;
if ((ci != 0) &&
((di = QCanvasItemToDiagramItem(ci)) != 0) &&
(di->typeUmlCode() == UmlState) &&
((BrowserState *)((StateCanvas *) di)->get_bn())->may_contains(action)) {
BrowserRegion::add_region(((StateCanvas *) di)->get_bn());
window()->package_modified();
}
}
break;
case InitialPS:
case EntryPointPS:
case FinalPS:
case TerminatePS:
case ExitPointPS:
case DeepHistoryPS:
case ShallowHistoryPS:
case JunctionPS:
case ChoicePS:
case ForkPS:
case JoinPS: {
history_protected = TRUE;
unselect_all();
window()->selectOn();
history_save();
QGraphicsItem * ci = the_canvas()->collision(scenePoint.toPoint());
DiagramItem * di;
bool specified = ((ci != 0) &&
((di = QCanvasItemToDiagramItem(ci)) != 0) &&
(di->typeUmlCode() == UmlState) &&
((BrowserState *)((StateCanvas *) di)->get_bn())->may_contains(action));
BrowserNode * parent;
if (specified) {
if ((parent = ((StateCanvas *) di)->pointed_region(scenePoint.toPoint())) == 0)
parent = ((StateCanvas *) di)->get_bn();
}
else
parent = (BrowserNode *) window()->browser_diagram()->parent();
BrowserNode * b = BrowserPseudoState::get_pseudostate(parent, action);
if (b != 0) {
PseudoStateCanvas * c =
// may be added in a the state's region rather than the state
new PseudoStateCanvas(b, the_canvas(), scenePoint.x(), scenePoint.y());
c->show();
c->upper();
StateCanvas::force_inside(c, FALSE);
window()->package_modified();
}
}
break;
case UmlStateAction:
case UmlSignalIn:
case UmlSignalOut: {
history_protected = TRUE;
unselect_all();
window()->selectOn();
history_save();
QGraphicsItem * ci = the_canvas()->collision(scenePoint.toPoint());
DiagramItem * di;
bool specified = ((ci != 0) &&
((di = QCanvasItemToDiagramItem(ci)) != 0) &&
(di->typeUmlCode() == UmlState) &&
((BrowserState *)((StateCanvas *) di)->get_bn())->may_contains(UmlStateAction));
BrowserNode * parent;
if (specified) {
if ((parent = ((StateCanvas *) di)->pointed_region(scenePoint.toPoint())) == 0)
parent = ((StateCanvas *) di)->get_bn();
}
else
parent = (BrowserNode *) window()->browser_diagram()->parent();
BrowserNode * b = BrowserStateAction::add_stateaction(parent);
switch (action) {
case UmlSignalIn:
((StateActionData *) b->get_data())->set_stereotype("receive-signal");
break;
case UmlSignalOut:
((StateActionData *) b->get_data())->set_stereotype("send-signal");
break;
default: // to avoid warning
break;
}
StateActionCanvas * c =
// may be added in a the state's region rather than the state
new StateActionCanvas(b, the_canvas(), scenePoint.x(), scenePoint.y());
c->show();
c->upper();
StateCanvas::force_inside(c, FALSE);
window()->package_modified();
}
break;
default:
DiagramView::mousePressEvent(e);
return;
}
canvas()->update();
history_protected = FALSE;
}
else
DiagramView::mousePressEvent(e);
}
void StateDiagramView::dropEvent(QDropEvent * e)
{
BrowserState * mach =
BrowserState::get_machine(the_canvas()->browser_diagram());
BrowserNode * bn;
QPointF p = mapToScene(e->pos());
if ((bn = UmlDrag::decode(e, UmlState, TRUE)) != 0) {
if (the_canvas()->already_drawn(bn))
msg_information("Douml", TR("already drawn"));
else if (BrowserState::get_machine(bn) != mach)
msg_information("Douml", TR("illegal"));
else {
history_save();
// mettre des contraintes sur la validite ?
StateCanvas * c =
new StateCanvas(bn, the_canvas(), p.x(), p.y());
history_protected = TRUE;
c->show();
c->upper();
canvas()->update();
StateCanvas::force_inside(c, TRUE);
canvas()->update();
history_protected = FALSE;
window()->package_modified();
}
}
else if ((bn = UmlDrag::decode(e, UmlPackage)) != 0) {
history_save();
PackageCanvas * pk =
new PackageCanvas(bn, the_canvas(), p.x(), p.y(), 0);
history_protected = TRUE;
pk->show();
pk->upper();
canvas()->update();
window()->package_modified();
}
else if ((bn = UmlDrag::decode(e, UmlPseudoState, TRUE)) != 0) {
if (the_canvas()->already_drawn(bn))
msg_information("Douml", TR("already drawn"));
else if (BrowserState::get_machine(bn) != mach)
msg_information("Douml", TR("illegal"));
else {
history_save();
// mettre des contraintes sur la validite ?
PseudoStateCanvas * c =
new PseudoStateCanvas(bn, the_canvas(), p.x(), p.y());
history_protected = TRUE;
c->show();
c->upper();
StateCanvas::force_inside(c, FALSE);
canvas()->update();
history_protected = FALSE;
window()->package_modified();
}
}
else if ((bn = UmlDrag::decode(e, UmlStateAction, TRUE)) != 0) {
if (the_canvas()->already_drawn(bn))
msg_information("Douml", TR("already drawn"));
else if (BrowserState::get_machine(bn) != mach)
msg_information("Douml", TR("illegal"));
else {
history_save();
// mettre des contraintes sur la validite ?
StateActionCanvas * c =
new StateActionCanvas(bn, the_canvas(), p.x(), p.y());
history_protected = TRUE;
c->show();
c->upper();
StateCanvas::force_inside(c, FALSE);
canvas()->update();
history_protected = FALSE;
window()->package_modified();
}
}
else if ((bn = UmlDrag::decode(e, UmlTransition, TRUE)) != 0) {
history_save();
history_protected = TRUE;
TransitionCanvas::drop(bn, the_canvas());
canvas()->update();
history_protected = FALSE;
}
else if (((bn = UmlDrag::decode(e, UmlClassDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlUseCaseDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlSeqDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlColDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlObjectDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlStateDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlComponentDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlDeploymentDiagram)) != 0) ||
((bn = UmlDrag::decode(e, UmlStateDiagram, TRUE)) != 0) ||
((bn = UmlDrag::decode(e, UmlActivityDiagram, TRUE)) != 0)) {
history_save();
IconCanvas * ic = new IconCanvas(bn, the_canvas(), p.x(), p.y(), 0);
history_protected = TRUE;
ic->show();
ic->upper();
canvas()->update();
history_protected = FALSE;
window()->package_modified();
}
}