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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#ifndef GRID_H_
#define GRID_H_
#include "model.h"
#include <QtWidgets/QGraphicsWidget>
#include <QtCharts/QChartGlobal>
class QGraphicsGridLayout;
class Chart;
QT_CHARTS_BEGIN_NAMESPACE
class QChart;
QT_CHARTS_END_NAMESPACE
QT_CHARTS_USE_NAMESPACE
class Grid : public QGraphicsWidget
{
Q_OBJECT
public:
enum State { NoState = 0, ZoomState, ScrollState};
Grid(int size, QGraphicsItem *parent = 0);
~Grid();
QList<QChart *> charts();
void createCharts(const QString &category = QString());
void createCharts(const QString &category, const QString &subcategory, const QString &name);
void replaceChart(QChart *oldChart, Chart *newChart);
void setState(State state);
State state() const { return m_state; };
void setRubberPen(const QPen &pen);
void setSize(int size);
int size() const {return m_size;}
Q_SIGNALS:
void chartSelected(QChart *chart);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
void clear();
private:
int m_listCount;
int m_valueMax;
int m_valueCount;
int m_size;
DataTable m_dataTable;
QHash<QChart *, int> m_chartHash;
QHash<int, QChart *> m_chartHashRev;
State m_state;
State m_currentState;
QPointF m_origin;
QGraphicsRectItem *m_rubberBand;
QGraphicsGridLayout *m_gridLayout;
};
#endif /* GRID_H_ */
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