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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2012 Digia Plc |
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4 | 4 | ** All rights reserved. |
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5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
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6 | 6 | ** |
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7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
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8 | 8 | ** |
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9 | 9 | ** $QT_BEGIN_LICENSE$ |
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10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
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11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
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12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
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13 | 13 | ** a written agreement between you and Digia. |
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14 | 14 | ** |
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15 | 15 | ** If you have questions regarding the use of this file, please use |
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16 | 16 | ** contact form at http://qt.digia.com |
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17 | 17 | ** $QT_END_LICENSE$ |
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18 | 18 | ** |
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19 | 19 | ****************************************************************************/ |
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20 | 20 | |
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21 | 21 | #include "themewidget.h" |
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22 | 22 | |
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23 | 23 | #include <QChartView> |
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24 | 24 | #include <QPieSeries> |
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25 | 25 | #include <QPieSlice> |
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26 | 26 | #include <QAbstractBarSeries> |
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27 | 27 | #include <QPercentBarSeries> |
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28 | 28 | #include <QStackedBarSeries> |
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29 | 29 | #include <QBarSeries> |
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30 | 30 | #include <QBarSet> |
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31 | 31 | #include <QLineSeries> |
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32 | 32 | #include <QSplineSeries> |
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33 | 33 | #include <QScatterSeries> |
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34 | 34 | #include <QAreaSeries> |
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35 | 35 | #include <QLegend> |
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36 | 36 | #include <QGridLayout> |
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37 | 37 | #include <QFormLayout> |
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38 | 38 | #include <QComboBox> |
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39 | 39 | #include <QSpinBox> |
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40 | 40 | #include <QCheckBox> |
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41 | 41 | #include <QGroupBox> |
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42 | 42 | #include <QLabel> |
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43 | 43 | #include <QTime> |
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44 | 44 | #include <QBarCategoriesAxis> |
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45 | 45 | |
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46 | 46 | ThemeWidget::ThemeWidget(QWidget* parent) : |
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47 | 47 | QWidget(parent), |
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48 | 48 | m_listCount(3), |
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49 | 49 | m_valueMax(10), |
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50 | 50 | m_valueCount(7), |
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51 | 51 | m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)), |
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52 | 52 | m_themeComboBox(createThemeBox()), |
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53 | 53 | m_antialiasCheckBox(new QCheckBox("Anti-aliasing")), |
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54 | 54 | m_animatedComboBox(createAnimationBox()), |
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55 | 55 | m_legendComboBox(createLegendBox()) |
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56 | 56 | { |
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57 | 57 | connectSignals(); |
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58 | 58 | // create layout |
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59 | 59 | QGridLayout* baseLayout = new QGridLayout(); |
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60 | 60 | QHBoxLayout *settingsLayout = new QHBoxLayout(); |
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61 | 61 | settingsLayout->addWidget(new QLabel("Theme:")); |
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62 | 62 | settingsLayout->addWidget(m_themeComboBox); |
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63 | 63 | settingsLayout->addWidget(new QLabel("Animation:")); |
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64 | 64 | settingsLayout->addWidget(m_animatedComboBox); |
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65 | 65 | settingsLayout->addWidget(new QLabel("Legend:")); |
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66 | 66 | settingsLayout->addWidget(m_legendComboBox); |
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67 | 67 | settingsLayout->addWidget(m_antialiasCheckBox); |
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68 | 68 | settingsLayout->addStretch(); |
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69 | 69 | baseLayout->addLayout(settingsLayout, 0, 0, 1, 3); |
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70 | 70 | |
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71 | 71 | //create charts |
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72 | 72 | |
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73 | 73 | QChartView *chartView; |
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74 | 74 | |
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75 | 75 | chartView = new QChartView(createAreaChart()); |
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76 | 76 | baseLayout->addWidget(chartView, 1, 0); |
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77 | 77 | m_charts << chartView; |
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78 | 78 | |
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79 | 79 | chartView = new QChartView(createBarChart(m_valueCount)); |
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80 | 80 | baseLayout->addWidget(chartView, 1, 1); |
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81 | 81 | m_charts << chartView; |
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82 | 82 | |
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83 | 83 | chartView = new QChartView(createLineChart()); |
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84 | 84 | baseLayout->addWidget(chartView, 1, 2); |
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85 | 85 | m_charts << chartView; |
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86 | 86 | |
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87 | 87 | chartView = new QChartView(createPieChart()); |
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88 | 88 | chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen... |
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89 | 89 | baseLayout->addWidget(chartView, 2, 0); |
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90 | 90 | m_charts << chartView; |
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91 | 91 | |
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92 | 92 | chartView = new QChartView(createSplineChart()); |
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93 | 93 | baseLayout->addWidget(chartView, 2, 1); |
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94 | 94 | m_charts << chartView; |
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95 | 95 | |
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96 | 96 | chartView = new QChartView(createScatterChart()); |
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97 | 97 | baseLayout->addWidget(chartView, 2, 2); |
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98 | 98 | m_charts << chartView; |
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99 | 99 | |
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100 | 100 | setLayout(baseLayout); |
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101 | 101 | |
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102 | 102 | // Set defaults |
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103 | 103 | m_antialiasCheckBox->setChecked(true); |
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104 | 104 | updateUI(); |
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105 | 105 | } |
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106 | 106 | |
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107 | 107 | ThemeWidget::~ThemeWidget() |
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108 | 108 | { |
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109 | 109 | } |
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110 | 110 | |
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111 | 111 | void ThemeWidget::connectSignals() |
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112 | 112 | { |
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113 | 113 | connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); |
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114 | 114 | connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI())); |
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115 | 115 | connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); |
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116 | 116 | connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); |
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117 | 117 | } |
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118 | 118 | |
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119 | 119 | DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const |
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120 | 120 | { |
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121 | 121 | DataTable dataTable; |
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122 | 122 | |
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123 | 123 | // set seed for random stuff |
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124 | 124 | qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); |
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125 | 125 | |
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126 | 126 | // generate random data |
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127 | 127 | for (int i(0); i < listCount; i++) { |
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128 | 128 | DataList dataList; |
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129 | 129 | qreal yValue(0); |
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130 | 130 | for (int j(0); j < valueCount; j++) { |
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131 | 131 | yValue = yValue + (qreal) (qrand() % valueMax) / (qreal) valueCount; |
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132 | 132 | QPointF value((j + (qreal) rand() / (qreal) RAND_MAX) * ((qreal) m_valueMax / (qreal) valueCount), |
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133 | 133 | yValue); |
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134 | 134 | QString label = "Slice " + QString::number(i) + ":" + QString::number(j); |
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135 | 135 | dataList << Data(value, label); |
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136 | 136 | } |
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137 | 137 | dataTable << dataList; |
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138 | 138 | } |
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139 | 139 | |
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140 | 140 | return dataTable; |
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141 | 141 | } |
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142 | 142 | |
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143 | 143 | QComboBox* ThemeWidget::createThemeBox() const |
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144 | 144 | { |
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145 | 145 | // settings layout |
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146 | 146 | QComboBox* themeComboBox = new QComboBox(); |
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147 | 147 | themeComboBox->addItem("Light", QChart::ChartThemeLight); |
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148 | 148 | themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean); |
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149 | 149 | themeComboBox->addItem("Dark", QChart::ChartThemeDark); |
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150 | 150 | themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand); |
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151 | 151 | themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs); |
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152 | 152 | themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast); |
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153 | 153 | themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy); |
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154 | 154 | return themeComboBox; |
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155 | 155 | } |
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156 | 156 | |
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157 | 157 | QComboBox* ThemeWidget::createAnimationBox() const |
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158 | 158 | { |
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159 | 159 | // settings layout |
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160 | 160 | QComboBox* animationComboBox = new QComboBox(); |
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161 | 161 | animationComboBox->addItem("No Animations", QChart::NoAnimation); |
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162 | 162 | animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations); |
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163 | 163 | animationComboBox->addItem("Series Animations", QChart::SeriesAnimations); |
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164 | 164 | animationComboBox->addItem("All Animations", QChart::AllAnimations); |
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165 | 165 | return animationComboBox; |
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166 | 166 | } |
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167 | 167 | |
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168 | 168 | QComboBox* ThemeWidget::createLegendBox() const |
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169 | 169 | { |
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170 | 170 | QComboBox* legendComboBox = new QComboBox(); |
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171 | 171 | legendComboBox->addItem("No Legend ", 0); |
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172 | 172 | legendComboBox->addItem("Legend Top", Qt::AlignTop); |
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173 | 173 | legendComboBox->addItem("Legend Bottom", Qt::AlignBottom); |
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174 | 174 | legendComboBox->addItem("Legend Left", Qt::AlignLeft); |
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175 | 175 | legendComboBox->addItem("Legend Right", Qt::AlignRight); |
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176 | 176 | return legendComboBox; |
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177 | 177 | } |
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178 | 178 | |
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179 | 179 | QChart* ThemeWidget::createAreaChart() const |
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180 | 180 | { |
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181 | 181 | QChart *chart = new QChart(); |
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182 | 182 | // chart->axisX()->setNiceNumbersEnabled(true); |
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183 | 183 | // chart->axisY()->setNiceNumbersEnabled(true); |
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184 | 184 | chart->setTitle("Area chart"); |
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185 | 185 | |
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186 | 186 | // The lower series initialized to zero values |
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187 | 187 | QLineSeries *lowerSeries = 0; |
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188 | 188 | QString name("Series "); |
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189 | 189 | int nameIndex = 0; |
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190 | 190 | for (int i(0); i < m_dataTable.count(); i++) { |
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191 | 191 | QLineSeries *upperSeries = new QLineSeries(chart); |
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192 | 192 | for (int j(0); j < m_dataTable[i].count(); j++) { |
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193 | 193 | Data data = m_dataTable[i].at(j); |
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194 | 194 | if (lowerSeries){ |
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195 | 195 | const QList<QPointF>& points = lowerSeries->points(); |
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196 | 196 | upperSeries->append(QPointF(j, points[i].y() + data.first.y())); |
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197 | 197 | }else |
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198 | 198 | upperSeries->append(QPointF(j, data.first.y())); |
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199 | 199 | } |
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200 | 200 | QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries); |
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201 | 201 | area->setName(name + QString::number(nameIndex)); |
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202 | 202 | nameIndex++; |
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203 | 203 | chart->addSeries(area); |
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204 | 204 | chart->createDefaultAxes(); |
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205 | 205 | lowerSeries = upperSeries; |
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206 | 206 | } |
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207 | 207 | |
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208 | 208 | return chart; |
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209 | 209 | } |
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210 | 210 | |
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211 | 211 | QChart* ThemeWidget::createBarChart(int valueCount) const |
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212 | 212 | { |
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213 | Q_UNUSED(valueCount); | |
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213 | 214 | QChart* chart = new QChart(); |
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214 | 215 | //TODO: chart->axisX()->setNiceNumbersEnabled(true); |
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215 | 216 | //TODO: chart->axisY()->setNiceNumbersEnabled(true); |
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216 | 217 | chart->setTitle("Bar chart"); |
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217 | 218 | |
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218 | 219 | QStackedBarSeries* series = new QStackedBarSeries(chart); |
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219 | 220 | for (int i(0); i < m_dataTable.count(); i++) { |
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220 | 221 | QBarSet *set = new QBarSet("Bar set " + QString::number(i)); |
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221 | 222 | foreach (Data data, m_dataTable[i]) |
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222 | 223 | *set << data.first.y(); |
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223 | 224 | series->append(set); |
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224 | 225 | } |
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225 | 226 | chart->addSeries(series); |
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226 | 227 | chart->createDefaultAxes(); |
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227 | 228 | |
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228 | 229 | return chart; |
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229 | 230 | } |
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230 | 231 | |
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231 | 232 | QChart* ThemeWidget::createLineChart() const |
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232 | 233 | { |
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233 | 234 | QChart* chart = new QChart(); |
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234 | 235 | //TODO: chart->axisX()->setNiceNumbersEnabled(true); |
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235 | 236 | //TODO: chart->axisY()->setNiceNumbersEnabled(true); |
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236 | 237 | chart->setTitle("Line chart"); |
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237 | 238 | |
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238 | 239 | QString name("Series "); |
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239 | 240 | int nameIndex = 0; |
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240 | 241 | foreach (DataList list, m_dataTable) { |
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241 | 242 | QLineSeries *series = new QLineSeries(chart); |
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242 | 243 | foreach (Data data, list) |
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243 | 244 | series->append(data.first); |
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244 | 245 | series->setName(name + QString::number(nameIndex)); |
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245 | 246 | nameIndex++; |
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246 | 247 | chart->addSeries(series); |
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247 | 248 | } |
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248 | 249 | chart->createDefaultAxes(); |
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249 | 250 | |
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250 | 251 | return chart; |
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251 | 252 | } |
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252 | 253 | |
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253 | 254 | QChart* ThemeWidget::createPieChart() const |
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254 | 255 | { |
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255 | 256 | QChart* chart = new QChart(); |
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256 | 257 | chart->setTitle("Pie chart"); |
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257 | 258 | |
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258 | 259 | qreal pieSize = 1.0 / m_dataTable.count(); |
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259 | 260 | for (int i = 0; i < m_dataTable.count(); i++) { |
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260 | 261 | QPieSeries *series = new QPieSeries(chart); |
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261 | 262 | foreach (Data data, m_dataTable[i]) { |
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262 | 263 | QPieSlice *slice = series->append(data.second, data.first.y()); |
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263 | 264 | if (data == m_dataTable[i].first()) { |
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264 | 265 | slice->setLabelVisible(); |
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265 | 266 | slice->setExploded(); |
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266 | 267 | } |
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267 | 268 | } |
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268 | 269 | qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count()); |
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269 | 270 | series->setPieSize(pieSize); |
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270 | 271 | series->setHorizontalPosition(hPos); |
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271 | 272 | series->setVerticalPosition(0.5); |
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272 | 273 | chart->addSeries(series); |
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273 | 274 | } |
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274 | 275 | |
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275 | 276 | return chart; |
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276 | 277 | } |
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277 | 278 | |
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278 | 279 | QChart* ThemeWidget::createSplineChart() const |
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279 | 280 | { // spine chart |
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280 | 281 | QChart* chart = new QChart(); |
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281 | 282 | //TODO: chart->axisX()->setNiceNumbersEnabled(true); |
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282 | 283 | //TODO: chart->axisY()->setNiceNumbersEnabled(true); |
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283 | 284 | chart->setTitle("Spline chart"); |
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284 | 285 | QString name("Series "); |
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285 | 286 | int nameIndex = 0; |
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286 | 287 | foreach (DataList list, m_dataTable) { |
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287 | 288 | QSplineSeries *series = new QSplineSeries(chart); |
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288 | 289 | foreach (Data data, list) |
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289 | 290 | series->append(data.first); |
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290 | 291 | series->setName(name + QString::number(nameIndex)); |
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291 | 292 | nameIndex++; |
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292 | 293 | chart->addSeries(series); |
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293 | 294 | } |
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294 | 295 | chart->createDefaultAxes(); |
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295 | 296 | return chart; |
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296 | 297 | } |
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297 | 298 | |
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298 | 299 | QChart* ThemeWidget::createScatterChart() const |
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299 | 300 | { // scatter chart |
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300 | 301 | QChart* chart = new QChart(); |
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301 | 302 | //TODO: chart->axisX()->setNiceNumbersEnabled(true); |
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302 | 303 | //TODO: chart->axisY()->setNiceNumbersEnabled(true); |
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303 | 304 | chart->setTitle("Scatter chart"); |
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304 | 305 | QString name("Series "); |
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305 | 306 | int nameIndex = 0; |
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306 | 307 | foreach (DataList list, m_dataTable) { |
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307 | 308 | QScatterSeries *series = new QScatterSeries(chart); |
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308 | 309 | foreach (Data data, list) |
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309 | 310 | series->append(data.first); |
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310 | 311 | series->setName(name + QString::number(nameIndex)); |
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311 | 312 | nameIndex++; |
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312 | 313 | chart->addSeries(series); |
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313 | 314 | } |
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314 | 315 | chart->createDefaultAxes(); |
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315 | 316 | return chart; |
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316 | 317 | } |
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317 | 318 | |
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318 | 319 | void ThemeWidget::updateUI() |
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319 | 320 | { |
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320 | 321 | QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt(); |
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321 | 322 | |
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322 | 323 | if (m_charts.at(0)->chart()->theme() != theme) { |
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323 | 324 | foreach (QChartView *chartView, m_charts) |
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324 | 325 | chartView->chart()->setTheme(theme); |
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325 | 326 | |
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326 | 327 | QPalette pal = window()->palette(); |
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327 | 328 | if (theme == QChart::ChartThemeLight) { |
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328 | 329 | pal.setColor(QPalette::Window, QRgb(0xf0f0f0)); |
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329 | 330 | pal.setColor(QPalette::WindowText, QRgb(0x404044)); |
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330 | 331 | } else if (theme == QChart::ChartThemeDark) { |
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331 | 332 | pal.setColor(QPalette::Window, QRgb(0x121218)); |
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332 | 333 | pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); |
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333 | 334 | } else if (theme == QChart::ChartThemeBlueCerulean) { |
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334 | 335 | pal.setColor(QPalette::Window, QRgb(0x40434a)); |
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335 | 336 | pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); |
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336 | 337 | } else if (theme == QChart::ChartThemeBrownSand) { |
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337 | 338 | pal.setColor(QPalette::Window, QRgb(0x9e8965)); |
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338 | 339 | pal.setColor(QPalette::WindowText, QRgb(0x404044)); |
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339 | 340 | } else if (theme == QChart::ChartThemeBlueNcs) { |
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340 | 341 | pal.setColor(QPalette::Window, QRgb(0x018bba)); |
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341 | 342 | pal.setColor(QPalette::WindowText, QRgb(0x404044)); |
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342 | 343 | } else if (theme == QChart::ChartThemeHighContrast) { |
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343 | 344 | pal.setColor(QPalette::Window, QRgb(0xffab03)); |
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344 | 345 | pal.setColor(QPalette::WindowText, QRgb(0x181818)); |
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345 | 346 | } else if (theme == QChart::ChartThemeBlueIcy) { |
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346 | 347 | pal.setColor(QPalette::Window, QRgb(0xcee7f0)); |
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347 | 348 | pal.setColor(QPalette::WindowText, QRgb(0x404044)); |
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348 | 349 | } else { |
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349 | 350 | pal.setColor(QPalette::Window, QRgb(0xf0f0f0)); |
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350 | 351 | pal.setColor(QPalette::WindowText, QRgb(0x404044)); |
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351 | 352 | } |
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352 | 353 | window()->setPalette(pal); |
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353 | 354 | } |
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354 | 355 | |
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355 | 356 | bool checked = m_antialiasCheckBox->isChecked(); |
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356 | 357 | foreach (QChartView *chart, m_charts) |
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357 | 358 | chart->setRenderHint(QPainter::Antialiasing, checked); |
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358 | 359 | |
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359 | 360 | QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt()); |
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360 | 361 | if (m_charts.at(0)->chart()->animationOptions() != options) { |
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361 | 362 | foreach (QChartView *chartView, m_charts) |
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362 | 363 | chartView->chart()->setAnimationOptions(options); |
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363 | 364 | } |
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364 | 365 | |
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365 | 366 | Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt()); |
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366 | 367 | |
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367 | 368 | if (!alignment) { |
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368 | 369 | foreach (QChartView *chartView, m_charts) { |
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369 | 370 | chartView->chart()->legend()->hide(); |
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370 | 371 | } |
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371 | 372 | } else { |
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372 | 373 | foreach (QChartView *chartView, m_charts) { |
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373 | 374 | chartView->chart()->legend()->setAlignment(alignment); |
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374 | 375 | chartView->chart()->legend()->show(); |
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375 | 376 | } |
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376 | 377 | } |
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377 | 378 | } |
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378 | 379 |
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