QVariant UBGraphicsGroupContainerItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
QVariant newValue = mDelegate->itemChange(change, value);
foreach(QGraphicsItem *child, children())
{
UBGraphicsItem *item = dynamic_cast<UBGraphicsItem*>(child);
if (item)
{
item->Delegate()->positionHandles();
}
}
QList<UBGraphicsDelegateFrame *> UBGraphicsDelegateFrame::getLinkedFrames()
{
QList<UBGraphicsDelegateFrame*> linkedFrames;
QList<QGraphicsItem*> sItems = mDelegate->delegated()->scene()->selectedItems();
if (sItems.count())
{
sItems.removeAll(delegated());
foreach(QGraphicsItem *item, sItems)
{
UBGraphicsItem *gitem = dynamic_cast<UBGraphicsItem*>(item);
if (gitem)
linkedFrames << gitem->Delegate()->frame();
}
void UBGraphicsGroupContainerItem::addToGroup(QGraphicsItem *item,bool removeAction)
{
if (!item) {
qWarning("UBGraphicsGroupContainerItem::addToGroup: cannot add null item");
return;
}
if (item == this) {
qWarning("UBGraphicsGroupContainerItem::addToGroup: cannot add a group to itself");
return;
}
//TODO claudio
UBGraphicsItem* ubGraphics = dynamic_cast<UBGraphicsItem*>(item);
if(ubGraphics && ubGraphics->Delegate() && removeAction)
ubGraphics->Delegate()->setAction(0);
//Check if group is allready rotatable or flippable
if (childItems().count()) {
if (UBGraphicsItem::isFlippable(this) && !UBGraphicsItem::isFlippable(item)) {
Delegate()->setFlippable(false);
}
if (UBGraphicsItem::isRotatable(this) && !UBGraphicsItem::isRotatable(item)) {
Delegate()->setRotatable(false);
}
} else {
Delegate()->setFlippable(UBGraphicsItem::isFlippable(item));
Delegate()->setRotatable(UBGraphicsItem::isRotatable(item));
}
// COMBINE
bool ok;
QTransform itemTransform = item->itemTransform(this, &ok);
if (!ok) {
qWarning("UBGraphicsGroupContainerItem::addToGroup: could not find a valid transformation from item to group coordinates");
return;
}
//setting item flags to given item
item->setSelected(false);
item->setFlag(QGraphicsItem::ItemIsSelectable, false);
item->setFlag( QGraphicsItem::ItemIsMovable, false);
item->setFlag(QGraphicsItem::ItemIsFocusable, true);
QTransform newItemTransform(itemTransform);
item->setPos(mapFromItem(item, 0, 0));
if (item->scene()) {
item->scene()->removeItem(item);
}
if (corescene())
corescene()->removeItemFromDeletion(item);
item->setParentItem(this);
// removing position from translation component of the new transform
if (!item->pos().isNull())
newItemTransform *= QTransform::fromTranslate(-item->x(), -item->y());
// removing additional transformations properties applied with itemTransform()
QPointF origin = item->transformOriginPoint();
QMatrix4x4 m;
QList<QGraphicsTransform*> transformList = item->transformations();
for (int i = 0; i < transformList.size(); ++i)
transformList.at(i)->applyTo(&m);
newItemTransform *= m.toTransform().inverted();
newItemTransform.translate(origin.x(), origin.y());
newItemTransform.rotate(-item->rotation());
newItemTransform.scale(1/item->scale(), 1/item->scale());
newItemTransform.translate(-origin.x(), -origin.y());
// ### Expensive, we could maybe use dirtySceneTransform bit for optimization
item->setTransform(newItemTransform);
// item->d_func()->setIsMemberOfGroup(true);
prepareGeometryChange();
itemsBoundingRect |= itemTransform.mapRect(item->boundingRect() | item->childrenBoundingRect());
update();
}
