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1 1 /****************************************************************************
2 2 **
3 3 ** Copyright (C) 2012 Digia Plc
4 4 ** All rights reserved.
5 5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 6 **
7 7 ** This file is part of the Qt Commercial Charts Add-on.
8 8 **
9 9 ** $QT_BEGIN_LICENSE:BSD$
10 10 ** You may use this file under the terms of the BSD license as follows:
11 11 **
12 12 ** "Redistribution and use in source and binary forms, with or without
13 13 ** modification, are permitted provided that the following conditions are
14 14 ** met:
15 15 ** * Redistributions of source code must retain the above copyright
16 16 ** notice, this list of conditions and the following disclaimer.
17 17 ** * Redistributions in binary form must reproduce the above copyright
18 18 ** notice, this list of conditions and the following disclaimer in
19 19 ** the documentation and/or other materials provided with the
20 20 ** distribution.
21 21 ** * Neither the name of Digia nor the names of its contributors
22 22 ** may be used to endorse or promote products derived from this
23 23 ** software without specific prior written permission.
24 24 **
25 25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 36 ** $QT_END_LICENSE$
37 37 **
38 38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 39 **
40 40 ****************************************************************************/
41 41
42 42 #include "themewidget.h"
43 43
44 44 #include <QChartView>
45 45 #include <QPieSeries>
46 46 #include <QPieSlice>
47 47 #include <QBarSeries>
48 48 #include <QPercentBarSeries>
49 49 #include <QStackedBarSeries>
50 50 #include <QBarSet>
51 51 #include <QLineSeries>
52 52 #include <QSplineSeries>
53 53 #include <QScatterSeries>
54 54 #include <QAreaSeries>
55 55 #include <QGridLayout>
56 56 #include <QFormLayout>
57 57 #include <QComboBox>
58 58 #include <QSpinBox>
59 59 #include <QCheckBox>
60 60 #include <QGroupBox>
61 61 #include <QLabel>
62 62 #include <QTime>
63 63
64 64 ThemeWidget::ThemeWidget(QWidget* parent) :
65 65 QWidget(parent),
66 66 m_listCount(3),
67 67 m_valueMax(100),
68 68 m_valueCount(11),
69 69 m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)),
70 70 m_themeComboBox(createThemeBox()),
71 71 m_antialiasCheckBox(new QCheckBox("Anti aliasing")),
72 72 m_animatedComboBox(createAnimationBox())
73 73 {
74 74
75 75 connectSignals();
76 76 // create layout
77 77 QGridLayout* baseLayout = new QGridLayout();
78 78 QHBoxLayout *settingsLayout = new QHBoxLayout();
79 79 settingsLayout->addWidget(new QLabel("Theme:"));
80 80 settingsLayout->addWidget(m_themeComboBox);
81 81 settingsLayout->addWidget(new QLabel("Animation:"));
82 82 settingsLayout->addWidget(m_animatedComboBox);
83 83 settingsLayout->addWidget(m_antialiasCheckBox);
84 84 settingsLayout->addStretch();
85 85 baseLayout->addLayout(settingsLayout, 0, 0, 1, 3);
86 86
87 87 //create charts
88 88
89 89 QChartView *chartView;
90 90
91 91 chartView = new QChartView(createAreaChart());
92 92 baseLayout->addWidget(chartView, 1, 0);
93 93 m_charts << chartView;
94 94
95 95 chartView = new QChartView(createBarChart(m_valueCount));
96 96 baseLayout->addWidget(chartView, 1, 1);
97 97 m_charts << chartView;
98 98
99 99 chartView = new QChartView(createLineChart());
100 100 baseLayout->addWidget(chartView, 1, 2);
101 101 m_charts << chartView;
102 102
103 103 chartView = new QChartView(createPieChart());
104 104 chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen...
105 105 baseLayout->addWidget(chartView, 2, 0);
106 106 m_charts << chartView;
107 107
108 108 chartView = new QChartView(createSplineChart());
109 109 baseLayout->addWidget(chartView, 2, 1);
110 110 m_charts << chartView;
111 111
112 chartView = new QChartView(createSplineChart());
112 chartView = new QChartView(createScatterChart());
113 113 baseLayout->addWidget(chartView, 2, 2);
114 114 m_charts << chartView;
115 115
116 116 setLayout(baseLayout);
117 117 }
118 118
119 119 ThemeWidget::~ThemeWidget()
120 120 {
121 121 }
122 122
123 123 void ThemeWidget::connectSignals()
124 124 {
125 125 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
126 126 connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
127 127 connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
128 128 }
129 129
130 130 DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const
131 131 {
132 132 DataTable dataTable;
133 133
134 134 // set seed for random stuff
135 135 qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
136 136
137 137 // generate random data
138 138 for (int i(0); i < listCount; i++) {
139 139 DataList dataList;
140 140 for (int j(0); j < valueCount; j++) {
141 141 QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
142 142 QString label = "Item " + QString::number(i) + ":" + QString::number(j);
143 143 dataList << Data(value, label);
144 144 }
145 145 dataTable << dataList;
146 146 }
147 147
148 148 return dataTable;
149 149 }
150 150
151 151 QComboBox* ThemeWidget::createThemeBox() const
152 152 {
153 153 // settings layout
154 154 QComboBox* themeComboBox = new QComboBox();
155 155 themeComboBox->addItem("Default", QChart::ChartThemeDefault);
156 156 themeComboBox->addItem("Light", QChart::ChartThemeLight);
157 157 themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
158 158 themeComboBox->addItem("Dark", QChart::ChartThemeDark);
159 159 themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
160 160 themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
161 161 themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
162 162 themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
163 163 return themeComboBox;
164 164 }
165 165
166 166 QComboBox* ThemeWidget::createAnimationBox() const
167 167 {
168 168 // settings layout
169 169 QComboBox* animationComboBox = new QComboBox();
170 170 animationComboBox->addItem("No Animations", QChart::NoAnimation);
171 171 animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
172 172 animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
173 173 animationComboBox->addItem("All Animations", QChart::AllAnimations);
174 174 return animationComboBox;
175 175 }
176 176
177 177 QChart* ThemeWidget::createAreaChart() const
178 178 {
179 179 // area chart
180 180 QChart *chart = new QChart();
181 181 chart->setTitle("Area chart");
182 182 {
183 183 for (int i(0); i < m_dataTable.count(); i++) {
184 184 QLineSeries *series1 = new QLineSeries(chart);
185 185 QLineSeries *series2 = new QLineSeries(chart);
186 186 foreach (Data data, m_dataTable[i]) {
187 187 series1->add(data.first);
188 188 series2->add(QPointF(data.first.x(), 0.0));
189 189 }
190 190 QAreaSeries *area = new QAreaSeries(series1, series2);
191 191 chart->addSeries(area);
192 192 }
193 193 }
194 194 return chart;
195 195 }
196 196
197 197 QChart* ThemeWidget::createBarChart(int valueCount) const
198 198 {
199 199 // bar chart
200 200 QChart* chart = new QChart();
201 201 chart->setTitle("Bar chart");
202 202 {
203 203 QBarCategories categories;
204 204 // TODO: categories
205 205 for (int i(0); i < valueCount; i++)
206 206 categories << QString::number(i);
207 207 // QBarSeries* series = new QBarSeries(categories, chart);
208 208 // QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
209 209 QStackedBarSeries* series = new QStackedBarSeries(categories, chart);
210 210 for (int i(0); i < m_dataTable.count(); i++) {
211 211 QBarSet *set = new QBarSet("Set" + QString::number(i));
212 212 foreach (Data data, m_dataTable[i])
213 213 *set << data.first.y();
214 214 series->addBarSet(set);
215 215 }
216 216 chart->addSeries(series);
217 217 }
218 218 return chart;
219 219 }
220 220
221 221 QChart* ThemeWidget::createLineChart() const
222 222 {
223 223 // line chart
224 224 QChart* chart = new QChart();
225 225 chart->setTitle("Line chart");
226 226 foreach (DataList list, m_dataTable) {
227 227 QLineSeries *series = new QLineSeries(chart);
228 228 foreach (Data data, list)
229 229 series->add(data.first);
230 230 chart->addSeries(series);
231 231 }
232 232 return chart;
233 233 }
234 234
235 235 QChart* ThemeWidget::createPieChart() const
236 236 {
237 237 // pie chart
238 238 QChart* chart = new QChart();
239 239 chart->setTitle("Pie chart");
240 240 qreal pieSize = 1.0 / m_dataTable.count();
241 241 for (int i = 0; i < m_dataTable.count(); i++) {
242 242 QPieSeries *series = new QPieSeries(chart);
243 243 foreach (Data data, m_dataTable[i]) {
244 244 QPieSlice *slice = series->add(data.first.y(), data.second);
245 245 if (data == m_dataTable[i].first()) {
246 246 slice->setLabelVisible();
247 247 slice->setExploded();
248 248 }
249 249 }
250 250 qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
251 251 series->setPieSize(pieSize);
252 252 series->setPiePosition(hPos, 0.5);
253 253 chart->addSeries(series);
254 254 }
255 255
256 256 return chart;
257 257 }
258 258
259 259 QChart* ThemeWidget::createSplineChart() const
260 260 { // spine chart
261 261 QChart* chart = new QChart();
262 262 chart->setTitle("Spline chart");
263 263 foreach (DataList list, m_dataTable) {
264 264 QSplineSeries *series = new QSplineSeries(chart);
265 265 foreach (Data data, list)
266 266 series->add(data.first);
267 267 chart->addSeries(series);
268 268 }
269 269 return chart;
270 270 }
271 271
272 272 QChart* ThemeWidget::createScatterChart() const
273 273 { // scatter chart
274 274 QChart* chart = new QChart();
275 275 chart->setTitle("Scatter chart");
276 276 foreach (DataList list, m_dataTable) {
277 277 QScatterSeries *series = new QScatterSeries(chart);
278 278 foreach (Data data, list)
279 279 series->add(data.first);
280 280 chart->addSeries(series);
281 281 }
282 282 return chart;
283 283 }
284 284
285 285 void ThemeWidget::updateUI()
286 286 {
287 287 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
288 288
289 289 if (m_charts.at(0)->chart()->theme() != theme) {
290 290 foreach (QChartView *chartView, m_charts)
291 291 chartView->chart()->setTheme(theme);
292 292
293 293 QPalette pal = window()->palette();
294 294 if (theme == QChart::ChartThemeLight) {
295 295 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
296 296 pal.setColor(QPalette::WindowText, QRgb(0x404044));
297 297 }
298 298 else if (theme == QChart::ChartThemeDark) {
299 299 pal.setColor(QPalette::Window, QRgb(0x121218));
300 300 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
301 301 }
302 302 else if (theme == QChart::ChartThemeBlueCerulean) {
303 303 pal.setColor(QPalette::Window, QRgb(0x40434a));
304 304 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
305 305 }
306 306 else if (theme == QChart::ChartThemeBrownSand) {
307 307 pal.setColor(QPalette::Window, QRgb(0x9e8965));
308 308 pal.setColor(QPalette::WindowText, QRgb(0x404044));
309 309 }
310 310 else if (theme == QChart::ChartThemeBlueNcs) {
311 311 pal.setColor(QPalette::Window, QRgb(0x018bba));
312 312 pal.setColor(QPalette::WindowText, QRgb(0x404044));
313 313 }
314 314 else {
315 315 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
316 316 pal.setColor(QPalette::WindowText, QRgb(0x404044));
317 317 }
318 318 window()->setPalette(pal);
319 319 }
320 320
321 321 bool checked = m_antialiasCheckBox->isChecked();
322 322 foreach (QChartView *chart, m_charts)
323 323 chart->setRenderHint(QPainter::Antialiasing, checked);
324 324
325 325 QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
326 326 if (m_charts.at(0)->chart()->animationOptions() != options) {
327 327 foreach (QChartView *chartView, m_charts)
328 328 chartView->chart()->setAnimationOptions(options);
329 329 }
330 330 }
331 331
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