58 lines
1.6 KiB
58 lines
1.6 KiB
#include "UBGraphicsItemGroupUndoCommand.h"
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#include "UBGraphicsGroupContainerItem.h"
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#include "UBGraphicsScene.h"
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#include "core/memcheck.h"
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UBGraphicsItemGroupUndoCommand::UBGraphicsItemGroupUndoCommand(UBGraphicsScene *pScene, UBGraphicsGroupContainerItem *pGroupCreated) :
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mScene (pScene), mGroup(pGroupCreated), mFirstRedo(true)
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{
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if (pGroupCreated->childItems().count()) {
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foreach (QGraphicsItem *item, pGroupCreated->childItems()) {
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mItems << item;
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}
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}
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}
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UBGraphicsItemGroupUndoCommand::~UBGraphicsItemGroupUndoCommand()
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{
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}
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void UBGraphicsItemGroupUndoCommand::undo()
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{
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mGroup->destroy();
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foreach(QGraphicsItem *item, mItems) {
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item->setSelected(true);
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}
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}
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void UBGraphicsItemGroupUndoCommand::redo()
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{
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if (mFirstRedo) {
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//Work around. TODO determine why does Qt call the redo function on pushing to undo
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mFirstRedo = false;
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return;
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}
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foreach (QGraphicsItem *item, mItems) {
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if (item->type() == UBGraphicsGroupContainerItem::Type) {
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QList<QGraphicsItem*> childItems = item->childItems();
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UBGraphicsGroupContainerItem *currentGroup = dynamic_cast<UBGraphicsGroupContainerItem*>(item);
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if (currentGroup) {
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currentGroup->destroy();
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}
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foreach (QGraphicsItem *chItem, childItems) {
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mGroup->addToGroup(chItem);
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}
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} else {
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mGroup->addToGroup(item);
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}
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}
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mScene->addItem(mGroup);
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mGroup->setVisible(true);
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mGroup->setFocus();
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mGroup->setSelected(true);
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}
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