void DiagramScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
if (line != 0 && myMode == InsertLine)
{
QList<QGraphicsItem *> startItems = items(line->line().p1());
if (startItems.count() && startItems.first() == line)
startItems.removeFirst();
QList<QGraphicsItem *> endItems = items(line->line().p2());
if (endItems.count() && endItems.first() == line)
endItems.removeFirst();
removeItem(line);
delete line;
if (startItems.count() > 0 && endItems.count() > 0 &&
startItems.first()->type() == Connector::Type &&
endItems.first()->type() == Connector::Type &&
startItems.first() != endItems.first())
{
Connector *startItem =
qgraphicsitem_cast<Connector *>(startItems.first());
Connector *endItem =
qgraphicsitem_cast<Connector *>(endItems.first());
QDomNode arrowXml = createArrowXml(startItem,endItem);
Arrow *arrow = new Arrow(startItem, endItem,arrowXml);
arrowList.append(arrow);
arrow->setColor(myLineColor);
startItem->addArrow(arrow);
endItem->addArrow(arrow);
arrow->setZValue(-1000.0);
addItem(arrow);
arrow->updatePosition();
}
}
line = 0;
QGraphicsScene::mouseReleaseEvent(mouseEvent);
if(myMode == MoveItem)
{
DiagramItem* item =(DiagramItem*)itemAt(mouseEvent->scenePos());
if(item == 0)
return;
if(item->type() == DiagramItem::Type)
{
item->updatePoz();
((DiagramWindow*)parent())->updateXml();
}
}
}
void DiagramScene::loadDiagram()
{
QDomNodeList lst = projXml->elementsByTagName("item");
for(int i=0;i<lst.count();i++)
{
QDomNode xmlNode = lst.at(i);
QDomNamedNodeMap attr = xmlNode.attributes();
int type = attr.namedItem("type").nodeValue().toInt();
int id = attr.namedItem("id").nodeValue().toInt();
int diagId = attr.namedItem("diagId").nodeValue().toInt();
qreal x = attr.namedItem("x").nodeValue().toDouble();
qreal y = attr.namedItem("y").nodeValue().toDouble();
DiagramNode nod = ((DiagramWindow*)parent())->searchById(type,id);
DiagramItem* item = new DiagramItem(((DiagramItem::DiagramType)type),
myItemMenu,
nod.name,
xmlNode,
diagId,
nod.inputs);
item->setPos(x,y);
diagItems.append(item);
addItem(item);
}
QDomNodeList lst2 = projXml->elementsByTagName("arrow");
for(int i=0;i<lst2.count();i++)
{
QDomNamedNodeMap attr = lst2.at(i).attributes();
DiagramItem* startParent =
getItemById(attr.namedItem("parentInId").nodeValue().toInt());
DiagramItem* endParent =
getItemById(attr.namedItem("parentOutId").nodeValue().toInt());
Connector* start =
startParent->childAt(attr.namedItem("connectorInId").nodeValue().toInt());
Connector* end =
endParent->childAt(attr.namedItem("connectorOutId").nodeValue().toInt());
Arrow *arrow = new Arrow(start, end,lst2.at(i));
arrowList.append(arrow);
arrow->setColor(myLineColor);
start->addArrow(arrow);
end->addArrow(arrow);
addItem(arrow);
arrow->setZValue(-1000.0);
arrow->updatePosition();
}
for(int i=0;i<diagItems.count();i++)
{
diagItems.at(i)->updateId(itemCount);
itemCount++;
}
}
