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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#pragma once
#include "baseitem.h"
#include <QGraphicsScene>
QT_FORWARD_DECLARE_CLASS(QGraphicsItem)
namespace ScxmlEditor {
namespace PluginInterface {
class GraphicsScene;
class ConnectableItem;
class InitialStateItem;
class BaseItem;
class ScxmlTag;
/**
* Namespace SceneUtils includes some usable function to manipulate the data of the items.
*/
namespace SceneUtils {
ScxmlTag *addChild(ScxmlTag *tag, const QVariantMap &data, GraphicsScene *scene);
ScxmlTag *addNewTag(ScxmlTag *parent, TagType type, GraphicsScene *scene);
ConnectableItem *createItem(ItemType type, const QPointF &pos = QPointF());
ConnectableItem *createItemByTagType(TagType type, const QPointF &pos = QPointF());
ScxmlTag *createTag(ItemType type, ScxmlDocument *document);
bool canDrop(int parentType, int childType);
QVector<ScxmlTag*> findCopyTags(const QVector<BaseItem*> &items, QPointF &minPos);
QVector<ScxmlTag*> findRemovedTags(const QVector<BaseItem*> &items);
void layout(const QList<QGraphicsItem*> &items);
bool isSomeSelected(QGraphicsItem *item);
void moveTop(BaseItem *item, GraphicsScene *scene);
bool isChild(const QGraphicsItem *parent, const QGraphicsItem *child);
template <class T>
bool hasSiblingStates(T *item)
{
if (item) {
QList<QGraphicsItem*> children;
QGraphicsItem *parentItem = item->parentItem();
if (parentItem) {
children = parentItem->childItems();
} else if (item->scene()) {
foreach (QGraphicsItem *it, item->scene()->items()) {
if (!it->parentItem())
children << it;
}
}
foreach (QGraphicsItem *it, children) {
if (it != item && it->type() == item->type()) {
return true;
}
}
}
return false;
}
} // namespace SceneUtils
} // namespace PluginInterface
} // namespace ScxmlEditor
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