void SCgCommandCreateBus::redo()
{
SCgBaseCommand::redo();
SCgBus *bus = 0;
if (mObject == 0)
{
bus = mScene->construction()->createBus();
bus->setOwner(mOwner);
mObject = bus;
QPointF pt;
foreach (pt, mPoints)
bus->appendPoint(pt);
connect(mObject, SIGNAL(destroyed()), this, SLOT(busDestroyed()));
}else
{
mScene->construction()->appendObject(mObject);
bus = qobject_cast<SCgBus*>(mObject);
}
bus->setOwner(mOwner);
bus->updatePoints();
}
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 SCgCommandCreateBus::undo()
{
Q_ASSERT_X(mObject != 0,
"void SCgCommandCreateBus::undo()",
"Bus doesn't exists");
mScene->construction()->removeObject(mObject);
SCgBus *bus = qobject_cast<SCgBus*>(mObject);
bus->setOwner(mOwner);
SCgBaseCommand::undo();
}
SCgBus* SCgScene::createSCgBus(const QVector<QPointF>& points, SCgNode *owner)
{
SCgBus* bus = new SCgBus;
if (owner != 0)
bus->setOwner(owner);
bus->setPoints(points);
addItem(bus);
return bus;
}
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 GwfStreamWriter::writeBus(SCgObject *obj)
{
writeStartElement("bus");
writeObjectAttributes(obj);
SCgBus* bus = static_cast<SCgBus*>(obj);
writeAttribute("owner", QString::number(bus->owner()->id()));
QVector<QPointF> points = bus->scenePoints();
writeAttribute("b_x", QString::number(points.first().x()));
writeAttribute("b_y", QString::number(points.first().y()));
writeAttribute("e_x", QString::number(points.last().x()));
writeAttribute("e_y", QString::number(points.last().y()));
// do not save begin and end points
points.pop_back();
points.pop_front();
writePoints(points);
writeEndElement();
}
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());
}
void SCgSelectSubGraph::select(SCgObject *obj)
{
obj->setSelected(true);
// select parent
//if (obj->parentItem() != 0 && SCgObject::isSCgObjectType(obj->parentItem()->type()))
//select(static_cast<SCgObject*>(obj->parentItem()));
switch(obj->type())
{
case SCgBus::Type:
{
SCgBus *bus = static_cast<SCgBus*>(obj);
if (bus->owner() != 0 && !bus->owner()->isSelected())
select(bus->owner());
}
break;
case SCgNode::Type:
{
SCgNode *node = static_cast<SCgNode*>(obj);
if (node->bus() != 0 && !node->bus()->isSelected())
select(node->bus());
}
break;
case SCgPair::Type:
{
SCgPair *pair = static_cast<SCgPair*>(obj);
if (pair->beginObject() != 0 && !pair->beginObject()->isSelected())
select(pair->beginObject());
if (pair->endObject() != 0 && !pair->endObject()->isSelected())
select(pair->endObject());
}
break;
case SCgContour::Type:
{
SCgContour *contour = static_cast<SCgContour*>(obj);
QList<QGraphicsItem*> items = contour->childItems();
QGraphicsItem *item = 0;
foreach(item, items)
{
// skip not sc.g-objects and selected objects
if (!SCgObject::isSCgObjectType(item->type()) || item->isSelected())
continue;
select(static_cast<SCgObject*>(item));
}
}
break;
}
SCgObject::SCgObjectList connected = obj->connectedObjects();
SCgObject *c_obj = 0;
foreach(c_obj, connected)
{
// skip selected objects
if (c_obj->isSelected())
continue;
select(c_obj);
}
}
