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 SCgHorizontalArranger::startOperation()
{
QList<SCgObject*> objects;
foreach(QGraphicsItem* it, mView->scene()->selectedItems())
if(SCgObject::isSCgObjectType(it->type()) && it->type() != SCgPair::Type)
objects.append(static_cast<SCgObject*>(it));
if(objects.isEmpty() || objects.size() == 1)
{
QMessageBox::information(0, qAppName(), tr("Nothing to align. Did you forget to select objects for alignment?"));
return;
}
QList<SCgObject*>::const_iterator it;
double averageY = 0;
// Calculate average Y coordinate
for (it = objects.begin(); it != objects.end(); ++it)
averageY += (*it)->y();
averageY = averageY/objects.size();
// Set objects position
for (it = objects.begin(); it != objects.end(); ++it)
{
if((*it)->type() == SCgBus::Type)
{
SCgBus* b = static_cast<SCgBus*>(*it);
QVector<QPointF> points = b->mapToParent(b->points());
for(int i = 0; i < points.size(); ++i)
points[i].setY(averageY);
registerCommand(b, b->mapFromParent(points));
}else
{
QPointF p = (*it)->pos();
p.setY(averageY);
registerCommand(*it, p);
}
}
}
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);
registerCommand(bus, ghostBus->points());
// affect pairs and objects
foreach(SCgPair *pair, mBusPairs)
{
SCgObject *end = pair->getEndObject();
Q_ASSERT(end != 0);
SCgObject *ghostEnd = mGhosts[end];
Q_ASSERT(ghostEnd != 0);
SCgPair *ghostPair = qgraphicsitem_cast<SCgPair*>(mGhosts[pair]);
Q_ASSERT(ghostPair != 0);
registerCommand(pair, ghostPair->points());
registerCommand(end, ghostEnd->pos());
}
