1 | /**************************************************************************** |
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 |
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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 |
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25 | ** |
26 | ** $QT_END_LICENSE$ |
27 | ** |
28 | ****************************************************************************/ |
29 | |
30 | #include "charts.h" |
31 | #include <QtCharts/QChart> |
32 | #include <QtCharts/QLineSeries> |
33 | #include <QtCharts/QValueAxis> |
34 | #include <QtCharts/QDateTimeAxis> |
35 | |
36 | class DateTimeAxisX: public Chart |
37 | { |
38 | public: |
39 | QString name() { return "AxisX" ; } |
40 | QString category() { return QObject::tr(s: "Axis" ); } |
41 | QString subCategory() { return "DateTimeAxis" ; } |
42 | |
43 | QChart *createChart(const DataTable &table) |
44 | { |
45 | QChart *chart = new QChart(); |
46 | chart->setTitle("DateTime X , Value Y" ); |
47 | QValueAxis *valueaxis = new QValueAxis(); |
48 | QDateTimeAxis *datetimeaxis = new QDateTimeAxis(); |
49 | datetimeaxis->setTickCount(10); |
50 | datetimeaxis->setFormat("yyyy" ); |
51 | |
52 | qreal day = 1000l * 60l * 60l * 24l; |
53 | |
54 | QString name("Series " ); |
55 | int nameIndex = 0; |
56 | foreach (DataList list, table) { |
57 | QLineSeries *series = new QLineSeries(chart); |
58 | foreach (Data data, list) { |
59 | QPointF point = data.first; |
60 | series->append(x: day * 365l * 30l + point.x() * day * 365l, y: point.y()); |
61 | } |
62 | series->setName(name + QString::number(nameIndex)); |
63 | nameIndex++; |
64 | chart->addSeries(series); |
65 | chart->setAxisX(axis: datetimeaxis, series); |
66 | chart->setAxisY(axis: valueaxis, series); |
67 | } |
68 | |
69 | return chart; |
70 | } |
71 | }; |
72 | |
73 | class DateTimeAxisXTitle: public DateTimeAxisX |
74 | { |
75 | public: |
76 | QString name() { return "AxisX Title" ; } |
77 | |
78 | QChart *createChart(const DataTable &table) |
79 | { |
80 | QChart *chart = DateTimeAxisX::createChart(table); |
81 | chart->axisX()->setTitleText("Axis X" ); |
82 | chart->axisY()->setTitleText("Axis Y" ); |
83 | chart->setTitle("DateTime X , Value Y, Title" ); |
84 | return chart; |
85 | } |
86 | }; |
87 | |
88 | |
89 | DECLARE_CHART(DateTimeAxisX); |
90 | DECLARE_CHART(DateTimeAxisXTitle); |
91 | |