1 | /**************************************************************************** |
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2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU |
19 | ** General Public License version 3 or (at your option) any later version |
20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
22 | ** included in the packaging of this file. Please review the following |
23 | ** information to ensure the GNU General Public License requirements will |
24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
25 | ** |
26 | ** $QT_END_LICENSE$ |
27 | ** |
28 | ****************************************************************************/ |
29 | |
30 | |
31 | #ifndef CHARTS_H |
32 | #define CHARTS_H |
33 | #include "model.h" |
34 | #include <QtCore/QList> |
35 | #include <QtCore/QString> |
36 | #include <QtCore/QSharedPointer> |
37 | #include <QtCharts/QChartGlobal> |
38 | |
39 | QT_CHARTS_BEGIN_NAMESPACE |
40 | class QChart; |
41 | QT_CHARTS_END_NAMESPACE |
42 | |
43 | QT_CHARTS_USE_NAMESPACE |
44 | |
45 | class Chart |
46 | { |
47 | public: |
48 | virtual ~Chart() {}; |
49 | virtual QChart *createChart(const DataTable &table) = 0; |
50 | virtual QString name() = 0; |
51 | virtual QString category() = 0; |
52 | virtual QString subCategory() = 0; |
53 | |
54 | }; |
55 | |
56 | namespace Charts |
57 | { |
58 | |
59 | typedef QList<Chart *> ChartList; |
60 | |
61 | inline ChartList &chartList() |
62 | { |
63 | static ChartList list; |
64 | return list; |
65 | } |
66 | |
67 | inline bool findChart(Chart *chart) |
68 | { |
69 | ChartList &list = chartList(); |
70 | if (list.contains(t: chart)) |
71 | return true; |
72 | |
73 | foreach (Chart *item, list) { |
74 | if (item->name() == chart->name() && item->category() == chart->category() && item->subCategory() == chart->subCategory()) |
75 | return true; |
76 | } |
77 | return false; |
78 | } |
79 | |
80 | inline void addChart(Chart *chart) |
81 | { |
82 | ChartList &list = chartList(); |
83 | if (!findChart(chart)) |
84 | list.append(t: chart); |
85 | } |
86 | } |
87 | |
88 | template <class T> |
89 | class ChartWrapper |
90 | { |
91 | public: |
92 | QSharedPointer<T> chart; |
93 | ChartWrapper() : chart(new T) { Charts::addChart(chart: chart.data()); } |
94 | }; |
95 | |
96 | #define DECLARE_CHART(chartType) static ChartWrapper<chartType> chartType; |
97 | #define DECLARE_CHART_TEMPLATE(chartType,chartName) static ChartWrapper<chartType> chartName; |
98 | |
99 | #endif |
100 |