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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D Editor of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "pasteentitycommand.h"
#include "editorsceneitem.h"
#include "editorsceneitemmodel.h"
#include <Qt3DCore/QEntity>
#include <QtQml/QQmlEngine>
PasteEntityCommand::PasteEntityCommand(EditorSceneItemModel *sceneModel,
EditorScene::ClipboardOperation operation,
const QString &entityName, const QString &parentName,
const QVector3D &pos) :
m_sceneModel(sceneModel),
m_operation(operation),
m_cutEntityName(entityName),
m_parentName(parentName),
m_pastePosition(pos),
m_cutEntity(nullptr)
{
setText(QObject::tr("Paste entity"));
}
PasteEntityCommand::~PasteEntityCommand()
{
delete m_cutEntity;
}
void PasteEntityCommand::undo()
{
if (!m_pastedEntityName.isEmpty()) {
// Remove pasted entity
QModelIndex index = m_sceneModel->getModelIndexByName(m_pastedEntityName);
m_sceneModel->removeEntity(index);
m_pastedEntityName.clear();
// If was a cut operation, add the previously removed entity
if (m_operation == EditorScene::ClipboardCut && m_cutEntity) {
// Insert the entity back
QModelIndex parentIndex = m_sceneModel->getModelIndexByName(m_cutParentEntityName);
m_sceneModel->insertExistingEntity(m_cutEntity, m_cutFromRow, parentIndex);
// Return selection to it, as it's invisible at start
m_sceneModel->scene()->setSelection(m_cutEntity);
m_cutEntity = nullptr;
} else if (!m_parentName.isEmpty()) {
index = m_sceneModel->getModelIndexByName(m_parentName);
EditorSceneItem *item = m_sceneModel->editorSceneItemFromIndex(index);
m_sceneModel->scene()->setSelection(item->entity());
}
}
}
void PasteEntityCommand::redo()
{
QModelIndex index = m_sceneModel->getModelIndexByName(m_cutEntityName);
if (!index.isValid())
return;
QModelIndex parentIndex;
EditorSceneItem *item;
Qt3DCore::QEntity *pastedEntity;
// Duplicate m_cutEntity to m_pastePosition
if (m_parentName.isEmpty()) {
parentIndex = m_sceneModel->parent(index);
item = m_sceneModel->editorSceneItemFromIndex(index);
pastedEntity = m_sceneModel->duplicateEntity(item->entity(), nullptr,
m_pastePosition, false);
} else {
parentIndex = m_sceneModel->getModelIndexByName(m_parentName);
if (index == parentIndex)
return;
item = m_sceneModel->editorSceneItemFromIndex(index);
EditorSceneItem *parentItem = m_sceneModel->editorSceneItemFromIndex(parentIndex);
pastedEntity = m_sceneModel->duplicateEntity(item->entity(), parentItem->entity(),
QVector3D(), false);
}
// Delete selected if cut operation
if (m_operation == EditorScene::ClipboardCut) {
m_cutEntity = m_sceneModel->duplicateEntity(item->entity(), nullptr);
m_cutParentEntityName = m_sceneModel->entityName(m_sceneModel->parent(index));
m_cutFromRow = index.row();
// Grab explicit ownership of the removed entity,
// otherwise QML garbage collector may clean it up.
QQmlEngine::setObjectOwnership(m_cutEntity, QQmlEngine::CppOwnership);
// Delete original
m_sceneModel->removeEntity(index);
} else {
EditorUtils::nameDuplicate(pastedEntity, item->entity(), m_sceneModel);
}
m_pastedEntityName = pastedEntity->objectName();
m_sceneModel->insertExistingEntity(pastedEntity, -1, parentIndex);
m_sceneModel->scene()->setSelection(pastedEntity);
}
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