/**
* @brief SCGraphicsView::handleNewState
* @param newState
*
* generic add state for the graphics view:
* called when the insert state button is pressed to create a new state graphic and when loading the xml states
*
* scformview::insertState -> scdatamodel::insertNewState, emit newStateSignal -> scgraphicsview::handleNewState
* connected to signal newStateSignal in the SCDataModel
*
* will add a state to the graphics view
*
*/
void SCGraphicsView::handleNewState (SCState *newState)
{
qDebug () << "SCGraphicsView::handleNewState";
static int zVal = 0;
// SCState connects
// connectState(newState);
StateString * type = dynamic_cast<StateString *> ( newState->attributes.value("type"));
if ( type != 0 && (type->asString() == "machine"))
return; // don't draw a picture for the top-level machine
SCState * parentState = 0;
StateBoxGraphic * parentGraphic =0;
StateBoxGraphic * stateGraphic = 0;
parentState = dynamic_cast<SCState *>(newState->parent());
if (_mapStateToGraphic.contains(parentState))
{
parentGraphic = _mapStateToGraphic[parentState];
}
// after the reference has been set through the construction
// of the stateboxgraphic, the graphic and the model
// will be linked internally. e.g. setting the size of the graphic
// will set the size of the model and vice versa
// create the stateboxgraphic
stateGraphic = new StateBoxGraphic(parentGraphic, newState);
//
// if a parent state is a parallel state, then its children run in parallel.
// this is show by the children being drawn with dotted lines. So inform
// the children to watch the parent's isParallelAttribute
//
// new states will be on top
stateGraphic->setZValue(zVal++);
// set the name
stateGraphic->setObjectName(newState->objectName());
//stateGraphic->setPos(newState->attributes.value("position"));
//stateGraphic->setSize(newState->attributes.value("size"));
// connect the state graphic's deconstructor to do removal protocol in the graphics view
connectState(newState,stateGraphic);
//connect(stateGraphic, SIGNAL(destroyed(QObject*)), this, SLOT(handleStateGraphicDeleted(QObject*)));
// quick look up of graphics from state model references
// link the SCState and StateBoxGraphic
_mapStateToGraphic.insert(newState, stateGraphic);
_hashStateToGraphic.insert(newState,stateGraphic);
// load size and position from state model
PositionAttribute * position = dynamic_cast<PositionAttribute*> (newState->attributes.value("position"));
stateGraphic->setPos(position->asPointF());
//qDebug() << "pos : " << position->asString();
//SelectableTextBlock stateTextBlock = stateGraphic->TextItem;
//PositionAttribute * tbPosition = dynamic_cast<PositionAttribute*> (stateTextBlock.att);
SizeAttribute * size = dynamic_cast<SizeAttribute*> (newState->attributes.value("size"));
stateGraphic->setSize(size->asPointF());
if ( ! parentGraphic )
{
_scene->addItem(stateGraphic);
}
// make the parent bigger to hold this state
// and since its bigger, make its parent bigger.....
// increaseSizeOfAllAncestors (newState);
// load the text blocks
// reposition the text items after loading their text
stateGraphic->updateElements();
}
SizeAttribute::SizeAttribute(const SizeAttribute& sa):IAttribute(sa), _size(sa.asPointF())
{
qRegisterMetaType<SizeAttribute>("SizeAttribute");
}
