| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| |
| #ifndef CHARTS_H |
| #define CHARTS_H |
| #include "model.h" |
| #include <QtCore/QList> |
| #include <QtCore/QString> |
| #include <QtCore/QSharedPointer> |
| #include <QtCharts/QChartGlobal> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| class QChart; |
| QT_CHARTS_END_NAMESPACE |
| |
| QT_CHARTS_USE_NAMESPACE |
| |
| class Chart |
| { |
| public: |
| virtual ~Chart() {}; |
| virtual QChart *createChart(const DataTable &table) = 0; |
| virtual QString name() = 0; |
| virtual QString category() = 0; |
| virtual QString subCategory() = 0; |
| |
| }; |
| |
| namespace Charts |
| { |
| |
| typedef QList<Chart *> ChartList; |
| |
| inline ChartList &chartList() |
| { |
| static ChartList list; |
| return list; |
| } |
| |
| inline bool findChart(Chart *chart) |
| { |
| ChartList &list = chartList(); |
| if (list.contains(chart)) |
| return true; |
| |
| foreach (Chart *item, list) { |
| if (item->name() == chart->name() && item->category() == chart->category() && item->subCategory() == chart->subCategory()) |
| return true; |
| } |
| return false; |
| } |
| |
| inline void addChart(Chart *chart) |
| { |
| ChartList &list = chartList(); |
| if (!findChart(chart)) |
| list.append(chart); |
| } |
| } |
| |
| template <class T> |
| class ChartWrapper |
| { |
| public: |
| QSharedPointer<T> chart; |
| ChartWrapper() : chart(new T) { Charts::addChart(chart.data()); } |
| }; |
| |
| #define DECLARE_CHART(chartType) static ChartWrapper<chartType> chartType; |
| #define DECLARE_CHART_TEMPLATE(chartType,chartName) static ChartWrapper<chartType> chartName; |
| |
| #endif |