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88 lines
2.6 KiB
88 lines
2.6 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#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) : UBUndoCommand()
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, mScene (pScene)
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, mGroup(pGroupCreated)
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, 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(false);
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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(false);
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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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