void SCgTupleArranger::startOperation()
{
// affect changes to bus
SCgBus *bus = mTupleNode->bus();
Q_ASSERT(bus != 0);
SCgBus *ghostBus = qgraphicsitem_cast<SCgBus*>(mGhosts[bus]);
Q_ASSERT(ghostBus != 0);
// map points into bus coordinates
registerCommand(bus, ghostBus->points());
// affect pairs and objects
foreach(SCgPair *pair, mBusPairs)
{
SCgObject *end = pair->endObject();
SCgObject *beg = pair->beginObject();
Q_ASSERT(end != 0 && beg != 0);
SCgPair *ghostPair = qgraphicsitem_cast<SCgPair*>(mGhosts[pair]);
Q_ASSERT(ghostPair != 0);
registerCommand(pair, ghostPair->points());
if (beg->type() == SCgBus::Type)
registerCommand(end, mGhosts[end]->pos());
else
registerCommand(beg, mGhosts[beg]->pos());
}
void SCgInsertMode::mousePress(QGraphicsSceneMouseEvent *event)
{
SCgMode::mousePress(event);
if (mInsertedObjectGroup)
{
SCgObject* underMouseObj = mScene->objectAt(event->scenePos());
SCgContour* parent = 0;
if (underMouseObj && underMouseObj->type() == SCgContour::Type)
parent = static_cast<SCgContour*>(underMouseObj);
mScene->pasteCommand(mInsertedObjectGroup->childItems(), parent);
}
else
mScene->setEditMode(mScene->previousMode());
clean();
}
void SCgBusModeEventHandler::mousePress(QGraphicsSceneMouseEvent *event)
{
SCgEventHandler::mousePress(event);
if (event->button() == Qt::LeftButton)
{
QPointF mousePos = event->scenePos();
if (!mPathItem)
{
SCgObject *obj = mScene->objectAt(mousePos);
SCgNode *owner = (obj != 0 && obj->type() == SCgNode::Type) ? static_cast<SCgNode*>(obj) : 0;
if (owner != 0 && owner->bus())
QMessageBox::information(0, qAppName(), tr("Node can't have more than one bus!"));
else
if(owner)
startLineCreation(mousePos);
}else
{
QVector2D vec(*(mLinePoints.end() - 2) - mousePos);
Q_ASSERT(mObjectAtFirstPoint);
if (mLinePoints.size() > 2 && vec.length() < 5.f && !mObjectAtFirstPoint->isDead())
{
mLinePoints.pop_back();
SCgContour* contour = 0;
// get parent contour
QGraphicsItem* parent = mObjectAtFirstPoint->parentItem();
if (parent && parent->type() == SCgContour::Type)
contour = static_cast<SCgContour*>(parent);
SCgNode *owner = static_cast<SCgNode*>(mObjectAtFirstPoint);
mScene->createBusCommand(owner, mLinePoints, contour);
endLineCreation();
}
}
}
}
void SCgModePair::mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent, bool afterSceneEvent )
{
if(afterSceneEvent)
{
if(mDecoratedMode)
mDecoratedMode->mousePressEvent(mouseEvent, afterSceneEvent);
return;
}
if (mPathItem)
{
mouseEvent->accept();
QPointF mousePos = mouseEvent->scenePos();
if (mouseEvent->button() == Qt::LeftButton)
mPathItem->pushPoint(mousePos);
if (mouseEvent->button() == Qt::RightButton)
{
mPathItem->popPoint();
// If there is no more points
if (mPathItem->points().isEmpty())
endPairCreation(false);
}
}
if (mouseEvent->button() == Qt::LeftButton)
{
QPointF mousePos = mouseEvent->scenePos();
SCgVisualObject *obj = scene()->scgVisualObjectAt(mousePos);
// if we have not createed pair yet and press on scg-object, then
// start pair creation
if (obj && !mPathItem)
{
mouseEvent->accept();
startPairCreation(obj, mousePos);
return;
}
if (obj && obj != mObjectAtFirstPoint->parentItem())
{
mouseEvent->accept();
SCgVisualObject *begObj = mObjectAtFirstPoint;
SCgVisualObject *endObj = obj;
bool success = begObj != endObj && begObj;
// do not create lines with equivalent begin end end object
if (success)
{
SCgContour* c=0;
// get parent contour
SCgObject* parent = begObj->baseObject()->parentObject();
if(parent && parent == endObj->baseObject()->parentObject())
if (parent->type() == SCgObject::Contour)
c = static_cast<SCgContour*>(parent);
scene()->pushCommand(new SCgCommandCreatePair(scene(), mPathItem->points(),
begObj->baseObject(),
endObj->baseObject(), c));
}
endPairCreation(success);
return;
} // if (obj && obj != mObjectAtFirstPoint->parentItem())
} // if (mouseEvent->button() == Qt::LeftButton)
mPassMouseReleaseEvent = true;
if (mDecoratedMode)
mDecoratedMode->mousePressEvent(mouseEvent, afterSceneEvent);
}
