You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
370 lines
11 KiB
370 lines
11 KiB
#include "UBGraphicsGroupContainerItem.h"
|
|
|
|
#include <QtGui>
|
|
|
|
#include "UBGraphicsMediaItem.h"
|
|
#include "UBGraphicsTextItem.h"
|
|
#include "domain/UBGraphicsItemDelegate.h"
|
|
#include "domain/UBGraphicsGroupContainerItemDelegate.h"
|
|
#include "domain/UBGraphicsScene.h"
|
|
|
|
#include "core/memcheck.h"
|
|
|
|
UBGraphicsGroupContainerItem::UBGraphicsGroupContainerItem(QGraphicsItem *parent)
|
|
: QGraphicsItem(parent)
|
|
, mCurrentItem(NULL)
|
|
{
|
|
setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Object);
|
|
|
|
mDelegate = new UBGraphicsGroupContainerItemDelegate(this, 0);
|
|
mDelegate->init();
|
|
|
|
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
|
|
setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
setFlag(QGraphicsItem::ItemIsMovable, true);
|
|
|
|
UBGraphicsGroupContainerItem::setAcceptHoverEvents(true);
|
|
|
|
setUuid(QUuid::createUuid());
|
|
|
|
setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::ObjectItem)); //Necessary to set if we want z value to be assigned correctly
|
|
}
|
|
|
|
UBGraphicsGroupContainerItem::~UBGraphicsGroupContainerItem()
|
|
{
|
|
if (mDelegate)
|
|
delete mDelegate;
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::addToGroup(QGraphicsItem *item)
|
|
{
|
|
if (!item) {
|
|
qWarning("UBGraphicsGroupContainerItem::addToGroup: cannot add null item");
|
|
return;
|
|
}
|
|
if (item == this) {
|
|
qWarning("UBGraphicsGroupContainerItem::addToGroup: cannot add a group to itself");
|
|
return;
|
|
}
|
|
|
|
//Check if group is allready rotatable or flippable
|
|
if (childItems().count()) {
|
|
if (UBGraphicsItem::isFlippable(this) && !UBGraphicsItem::isFlippable(item)) {
|
|
mDelegate->setFlippable(false);
|
|
}
|
|
if (UBGraphicsItem::isRotatable(this) && !UBGraphicsItem::isRotatable(item)) {
|
|
mDelegate->setRotatable(false);
|
|
}
|
|
} else {
|
|
mDelegate->setFlippable(UBGraphicsItem::isFlippable(item));
|
|
mDelegate->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();
|
|
}
|
|
void UBGraphicsGroupContainerItem::removeFromGroup(QGraphicsItem *item)
|
|
{
|
|
if (!item) {
|
|
qDebug() << "can't specify the item because of the null pointer";
|
|
return;
|
|
}
|
|
|
|
UBCoreGraphicsScene *groupScene = corescene();
|
|
if (groupScene)
|
|
{
|
|
groupScene->addItemToDeletion(item);
|
|
}
|
|
|
|
pRemoveFromGroup(item);
|
|
|
|
item->setFlags(ItemIsSelectable | ItemIsFocusable);
|
|
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::deselectCurrentItem()
|
|
{
|
|
if (mCurrentItem)
|
|
{
|
|
switch(mCurrentItem->type())
|
|
{
|
|
case UBGraphicsTextItem::Type:
|
|
{
|
|
dynamic_cast<UBGraphicsTextItem*>(mCurrentItem)->Delegate()->getToolBarItem()->hide();
|
|
}
|
|
break;
|
|
case UBGraphicsMediaItem::Type:
|
|
{
|
|
dynamic_cast<UBGraphicsMediaItem*>(mCurrentItem)->Delegate()->getToolBarItem()->hide();
|
|
}
|
|
break;
|
|
|
|
}
|
|
mCurrentItem->setSelected(false);
|
|
mCurrentItem = NULL;
|
|
}
|
|
}
|
|
|
|
QRectF UBGraphicsGroupContainerItem::boundingRect() const
|
|
{
|
|
return itemsBoundingRect;
|
|
}
|
|
void UBGraphicsGroupContainerItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
|
|
QWidget *widget)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(painter);
|
|
Q_UNUSED(option);
|
|
|
|
// we would not use paint smth for the moment
|
|
// if (option->state & QStyle::State_Selected) {
|
|
// painter->setBrush(Qt::NoBrush);
|
|
// QPen tmpPen;
|
|
// qreal tmpPenWidth = 1.0;
|
|
// tmpPen.setWidth(tmpPenWidth);
|
|
// tmpPen.setColor(Qt::lightGray);
|
|
// painter->setPen(tmpPen);
|
|
// painter->drawRect(itemsBoundingRect.adjusted(tmpPenWidth / 2, tmpPenWidth / 2, -tmpPenWidth / 2, -tmpPenWidth / 2));
|
|
// }
|
|
}
|
|
|
|
UBCoreGraphicsScene *UBGraphicsGroupContainerItem::corescene()
|
|
{
|
|
UBCoreGraphicsScene *castScene = dynamic_cast<UBCoreGraphicsScene*>(QGraphicsItem::scene());
|
|
|
|
return castScene;
|
|
}
|
|
UBGraphicsGroupContainerItem *UBGraphicsGroupContainerItem::deepCopy() const
|
|
{
|
|
|
|
UBGraphicsGroupContainerItem *copy = new UBGraphicsGroupContainerItem(parentItem());
|
|
|
|
copy->setUuid(this->uuid()); // this is OK for now as long as Widgets are imutable
|
|
|
|
copyItemParameters(copy);
|
|
|
|
// copy->resize(this->size());
|
|
|
|
return copy;
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::copyItemParameters(UBItem *copy) const
|
|
{
|
|
UBGraphicsGroupContainerItem *cp = dynamic_cast<UBGraphicsGroupContainerItem*>(copy);
|
|
if (cp)
|
|
{
|
|
cp->setPos(this->pos());
|
|
cp->setTransform(this->transform());
|
|
cp->setFlag(QGraphicsItem::ItemIsMovable, true);
|
|
cp->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
cp->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
|
|
cp->setData(UBGraphicsItemData::ItemLocked, this->data(UBGraphicsItemData::ItemLocked));
|
|
}
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::remove()
|
|
{
|
|
if (mDelegate)
|
|
mDelegate->remove();
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::setUuid(const QUuid &pUuid)
|
|
{
|
|
UBItem::setUuid(pUuid);
|
|
setData(UBGraphicsItemData::ItemUuid, QVariant(pUuid)); //store item uuid inside the QGraphicsItem to fast operations with Items on the scene
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::destroy(bool canUndo) {
|
|
|
|
foreach (QGraphicsItem *item, childItems()) {
|
|
pRemoveFromGroup(item);
|
|
item->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
item->setFlag(QGraphicsItem::ItemIsFocusable, true);
|
|
}
|
|
|
|
mDelegate->remove(canUndo);
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::clearSource()
|
|
{
|
|
foreach(QGraphicsItem *child, childItems())
|
|
{
|
|
UBGraphicsItem *item = dynamic_cast<UBGraphicsItem *>(child);
|
|
if (item)
|
|
{
|
|
item->clearSource();
|
|
}
|
|
}
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (mDelegate->mousePressEvent(event)) {
|
|
//NOOP
|
|
} else {
|
|
|
|
QGraphicsItem::mousePressEvent(event);
|
|
setSelected(true);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (mDelegate->mouseMoveEvent(event)) {
|
|
// NOOP;
|
|
} else {
|
|
QGraphicsItem::mouseMoveEvent(event);
|
|
}
|
|
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
// mDelegate->mouseReleaseEvent(event);
|
|
QGraphicsItem::mouseReleaseEvent(event);
|
|
}
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
if (QGraphicsItem::ItemSelectedChange == change)
|
|
{
|
|
deselectCurrentItem();
|
|
}
|
|
|
|
return QGraphicsItem::itemChange(change, newValue);
|
|
}
|
|
|
|
void UBGraphicsGroupContainerItem::pRemoveFromGroup(QGraphicsItem *item)
|
|
{
|
|
if (!item) {
|
|
qWarning("QGraphicsItemGroup::removeFromGroup: cannot remove null item");
|
|
return;
|
|
}
|
|
|
|
QGraphicsItem *newParent = parentItem();
|
|
|
|
if (childItems().count()) {
|
|
if (!UBGraphicsItem::isFlippable(item) || !UBGraphicsItem::isRotatable(item)) {
|
|
bool flippableNow = true;
|
|
bool rotatableNow = true;
|
|
|
|
foreach (QGraphicsItem *item, childItems()) {
|
|
if (!UBGraphicsItem::isFlippable(item)) {
|
|
flippableNow = false;
|
|
}
|
|
if (!UBGraphicsItem::isRotatable(item)) {
|
|
rotatableNow = false;
|
|
}
|
|
if (!rotatableNow && !flippableNow) {
|
|
break;
|
|
}
|
|
}
|
|
mDelegate->setFlippable(flippableNow);
|
|
mDelegate->setRotatable(rotatableNow);
|
|
}
|
|
}
|
|
|
|
// COMBINE
|
|
bool ok;
|
|
QTransform itemTransform;
|
|
if (newParent)
|
|
itemTransform = item->itemTransform(newParent, &ok);
|
|
else
|
|
itemTransform = item->sceneTransform();
|
|
|
|
QPointF oldPos = item->mapToItem(newParent, 0, 0);
|
|
item->setParentItem(newParent);
|
|
item->setPos(oldPos);
|
|
|
|
UBGraphicsScene *Scene = dynamic_cast<UBGraphicsScene *>(item->scene());
|
|
if (Scene)
|
|
{
|
|
Scene->addItem(item);
|
|
}
|
|
|
|
// removing position from translation component of the new transform
|
|
if (!item->pos().isNull())
|
|
itemTransform *= QTransform::fromTranslate(-item->x(), -item->y());
|
|
|
|
// removing additional transformations properties applied
|
|
// with itemTransform() or sceneTransform()
|
|
QPointF origin = item->transformOriginPoint();
|
|
QMatrix4x4 m;
|
|
QList<QGraphicsTransform*> transformList = item->transformations();
|
|
for (int i = 0; i < transformList.size(); ++i)
|
|
transformList.at(i)->applyTo(&m);
|
|
itemTransform *= m.toTransform().inverted();
|
|
itemTransform.translate(origin.x(), origin.y());
|
|
itemTransform.rotate(-item->rotation());
|
|
itemTransform.scale(1 / item->scale(), 1 / item->scale());
|
|
itemTransform.translate(-origin.x(), -origin.y());
|
|
|
|
// ### Expensive, we could maybe use dirtySceneTransform bit for optimization
|
|
|
|
item->setTransform(itemTransform);
|
|
// item->d_func()->setIsMemberOfGroup(item->group() != 0);
|
|
|
|
// ### Quite expensive. But removeFromGroup() isn't called very often.
|
|
prepareGeometryChange();
|
|
itemsBoundingRect = childrenBoundingRect();
|
|
}
|
|
|