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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef GRID_H_
#define GRID_H_
#include "model.h"
#include <QtWidgets/QGraphicsWidget>
#include <QtCharts/QChartGlobal>
QT_BEGIN_NAMESPACE
class QGraphicsGridLayout;
QT_END_NAMESPACE
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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