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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 "mytypes.h"
#include "scxmltag.h"
#include <QGraphicsItem>
#include <QPointer>
#include <QTimer>
QT_FORWARD_DECLARE_CLASS(QAction)
QT_FORWARD_DECLARE_CLASS(QGraphicsSceneMouseEvent)
QT_FORWARD_DECLARE_CLASS(QVariant)
namespace ScxmlEditor {
namespace PluginInterface {
const qreal WARNING_ITEM_SIZE = 25;
class GraphicsScene;
class ScxmlUiFactory;
/**
* @brief The BaseItem class is the base class for every items in the scene which represent the one tag in the SCXML-tree.
*
*
*/
class BaseItem : public QGraphicsObject
{
Q_OBJECT
public:
explicit BaseItem(BaseItem *parent = nullptr);
~BaseItem() override;
QRectF boundingRect() const override;
QPointF sceneCenter() const
{
return mapToScene(m_boundingRect.center());
}
QString itemId() const;
void setItemBoundingRect(const QRectF &r);
QPolygonF polygonShape() const
{
return m_polygon;
}
void updateDepth();
int depth() const
{
return m_depth;
}
void setParentItem(BaseItem *item);
virtual void checkWarnings();
virtual void checkOverlapping();
virtual void checkVisibility(double scaleFactor);
virtual void setTag(ScxmlTag *tag);
virtual void init(ScxmlTag *tag, BaseItem *parentItem = nullptr, bool initChildren = true, bool blockUpdates = false);
virtual void updateAttributes();
virtual void updateColors();
virtual void updateEditorInfo(bool allChildren = false);
virtual void moveStateBy(qreal dx, qreal dy);
virtual ScxmlTag *tag() const;
virtual void finalizeCreation();
virtual void doLayout(int depth);
virtual void setHighlight(bool hl);
virtual void checkInitial(bool parent = false);
virtual bool containsScenePoint(const QPointF &p) const;
void setEditorInfo(const QString &key, const QString &value, bool block = false);
QString editorInfo(const QString &key) const;
void setTagValue(const QString &key, const QString &value);
QString tagValue(const QString &key, bool useNameSpace = false) const;
void setBlockUpdates(bool block);
void setOverlapping(bool ol);
bool blockUpdates() const;
bool highlight() const;
bool overlapping() const;
BaseItem *parentBaseItem() const;
bool isActiveScene() const;
GraphicsScene *graphicsScene() const;
ScxmlUiFactory *uiFactory() const;
virtual void updateUIProperties();
protected:
virtual void updatePolygon();
void setItemSelected(bool sel, bool unselectOthers = true);
signals:
void geometryChanged();
void selectedStateChanged(bool sel);
void openToDifferentView(BaseItem *item);
protected:
void postDeleteEvent();
void mousePressEvent(QGraphicsSceneMouseEvent *e) override;
void showContextMenu(QGraphicsSceneMouseEvent *e);
virtual void checkSelectionBeforeContextMenu(QGraphicsSceneMouseEvent *e);
virtual void createContextMenu(QMenu *menu);
virtual void selectedMenuAction(const QAction *action);
virtual void readUISpecifiedProperties(const ScxmlTag *tag);
QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
void checkParentBoundingRect();
QPolygonF m_polygon;
private:
QRectF m_boundingRect;
QPointer<ScxmlTag> m_tag;
QPointer<GraphicsScene> m_scene;
bool m_blockUpdates = false;
int m_depth = 0;
bool m_highlight = false;
bool m_overlapping = false;
};
} // namespace PluginInterface
} // namespace ScxmlEditor
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