void DiagramScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
if (mouseEvent->button() != Qt::LeftButton)
return;
DiagramItem *item;
switch (myMode) {
case InsertItem:
item = new DiagramItem(myItemType, myItemMenu);
addItem(item);
connect(item, SIGNAL(itemSelected(DiagramItem*)), this, SIGNAL(itemSelected(DiagramItem*)));
connect(item, SIGNAL(PropertiesRequest(DiagramItem*)), this, SIGNAL(propertiesRequest(DiagramItem*)));
item->setPos(mouseEvent->scenePos());
emit itemInserted(item);
break;
case InsertLine:
line = new QGraphicsLineItem(QLineF(mouseEvent->scenePos(),
mouseEvent->scenePos()));
addItem(line);
break;
default:
;
}
QGraphicsScene::mousePressEvent(mouseEvent);
}
void DiagramScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
if (mouseEvent->button() != Qt::LeftButton)
return;
DiagramItem *item;
DiagramNode nod;
QDomNode xmlNode;
switch (myMode)
{
case InsertItem:
if(((DiagramWindow*)parent())->itemListEmpty(myItemType))
return;
nod = ((DiagramWindow*)parent())->returnCurrentItem(myItemType);
xmlNode = createItemXml(nod,mouseEvent->scenePos());
item = new DiagramItem(myItemType, myItemMenu,nod.name,
xmlNode,itemCount,
nod.inputs);
itemCount++;
addItem(item);
item->setPos(mouseEvent->scenePos());
diagItems.append(item);
emit itemInserted(item);
break;
case InsertLine:
line = new QGraphicsLineItem(QLineF(mouseEvent->scenePos(),
mouseEvent->scenePos()));
line->setPen(QPen(myLineColor, 2));
addItem(line);
break;
default:
;
}
QGraphicsScene::mousePressEvent(mouseEvent);
}
//! [6]
void DiagramScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
if (mouseEvent->button() != Qt::LeftButton)
return;
DiagramItem *item;
switch (myMode) {
case InsertItem:
item = new DiagramItem(myItemType, myItemMenu);
item->setBrush(myItemColor);
addItem(item);
item->setPos(mouseEvent->scenePos());
emit itemInserted(item);
break;
//! [6] //! [7]
case InsertLine:
line = new QGraphicsLineItem(QLineF(mouseEvent->scenePos(),
mouseEvent->scenePos()));
line->setPen(QPen(myLineColor, 2));
addItem(line);
break;
//! [7] //! [8]
case InsertText:
textItem = new DiagramTextItem();
textItem->setFont(myFont);
textItem->setTextInteractionFlags(Qt::TextEditorInteraction);
textItem->setZValue(1000.0);
connect(textItem, SIGNAL(lostFocus(DiagramTextItem*)),
this, SLOT(editorLostFocus(DiagramTextItem*)));
connect(textItem, SIGNAL(selectedChange(QGraphicsItem*)),
this, SIGNAL(itemSelected(QGraphicsItem*)));
addItem(textItem);
textItem->setDefaultTextColor(myTextColor);
textItem->setPos(mouseEvent->scenePos());
emit textInserted(textItem);
//! [8] //! [9]
default:
;
}
QGraphicsScene::mousePressEvent(mouseEvent);
}
void DiagramScene::addHexagon(int count)
{
std::cout << "-------------- addHexagon------------------,count = " << count << std::endl;
DiagramItem *item;
item = new DiagramItem(myItemType, myItemMenu);
item->setBrush(myItemColor);
addItem(item);
count*=100;
QPointF point(100+count,100+count);
item->setPos(point);
// // draw polygon
// static const QPointF points[6] = {
// QPointF(-0.5, 0.866+count),
// QPointF(0.5, 0.866+count),
// QPointF(1, 0+count),
// QPointF(0.5, -0.866+count),
// QPointF(-0.5, -0.866+count),
// QPointF(-1,0+count)
// };
// this->painter->drawPolygon(points, 6);
}
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++;
}
}