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1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "mainwidget.h"
21 #include "mainwidget.h"
22 #include "dataseriedialog.h"
22 #include "dataseriedialog.h"
23 #include "qchartview.h"
23 #include "qchartview.h"
24 #include "qpieseries.h"
24 #include "qpieseries.h"
25 #include "qscatterseries.h"
25 #include "qscatterseries.h"
26 #include "qlineseries.h"
26 #include "qlineseries.h"
27 #include <qareaseries.h>
27 #include <qareaseries.h>
28 #include <qsplineseries.h>
28 #include <qsplineseries.h>
29 #include <qbarset.h>
29 #include <qbarset.h>
30 #include <qbarseries.h>
30 #include <qbarseries.h>
31 #include <qstackedbarseries.h>
31 #include <qstackedbarseries.h>
32 #include <qpercentbarseries.h>
32 #include <qpercentbarseries.h>
33 #include <QPushButton>
33 #include <QPushButton>
34 #include <QComboBox>
34 #include <QComboBox>
35 #include <QSpinBox>
35 #include <QSpinBox>
36 #include <QCheckBox>
36 #include <QCheckBox>
37 #include <QGridLayout>
37 #include <QGridLayout>
38 #include <QHBoxLayout>
38 #include <QHBoxLayout>
39 #include <QLabel>
39 #include <QLabel>
40 #include <QSpacerItem>
40 #include <QSpacerItem>
41 #include <QMessageBox>
41 #include <QMessageBox>
42 #include <cmath>
42 #include <cmath>
43 #include <QDebug>
43 #include <QDebug>
44 #include <QStandardItemModel>
44 #include <QStandardItemModel>
45
45
46
46
47 QTCOMMERCIALCHART_USE_NAMESPACE
47 QTCOMMERCIALCHART_USE_NAMESPACE
48
48
49 MainWidget::MainWidget(QWidget *parent) :
49 MainWidget::MainWidget(QWidget *parent) :
50 QWidget(parent),
50 QWidget(parent),
51 m_addSerieDialog(0),
51 m_addSerieDialog(0),
52 m_chart(0)
52 m_chart(0)
53 {
53 {
54 m_chart = new QChart();
54 m_chart = new QChart();
55
55
56 // Grid layout for the controls for configuring the chart widget
56 // Grid layout for the controls for configuring the chart widget
57 QGridLayout *grid = new QGridLayout();
57 QGridLayout *grid = new QGridLayout();
58 QPushButton *addSeriesButton = new QPushButton("Add series");
58 QPushButton *addSeriesButton = new QPushButton("Add series");
59 connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
59 connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
60 grid->addWidget(addSeriesButton, 0, 1);
60 grid->addWidget(addSeriesButton, 0, 1);
61 initBackroundCombo(grid);
61 initBackroundCombo(grid);
62 initScaleControls(grid);
62 initScaleControls(grid);
63 initThemeCombo(grid);
63 initThemeCombo(grid);
64 initCheckboxes(grid);
64 initCheckboxes(grid);
65
65
66 // add row with empty label to make all the other rows static
66 // add row with empty label to make all the other rows static
67 grid->addWidget(new QLabel(""), grid->rowCount(), 0);
67 grid->addWidget(new QLabel(""), grid->rowCount(), 0);
68 grid->setRowStretch(grid->rowCount() - 1, 1);
68 grid->setRowStretch(grid->rowCount() - 1, 1);
69
69
70 // Create chart view with the chart
70 // Create chart view with the chart
71 m_chartView = new QChartView(m_chart, this);
71 m_chartView = new QChartView(m_chart, this);
72 m_chartView->setRubberBand(QChartView::HorizonalRubberBand);
72 m_chartView->setRubberBand(QChartView::HorizonalRubberBand);
73
73
74 // Another grid layout as a main layout
74 // Another grid layout as a main layout
75 QGridLayout *mainLayout = new QGridLayout();
75 QGridLayout *mainLayout = new QGridLayout();
76 mainLayout->addLayout(grid, 0, 0);
76 mainLayout->addLayout(grid, 0, 0);
77 mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
77 mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
78 setLayout(mainLayout);
78 setLayout(mainLayout);
79 }
79 }
80
80
81 // Combo box for selecting the chart's background
81 // Combo box for selecting the chart's background
82 void MainWidget::initBackroundCombo(QGridLayout *grid)
82 void MainWidget::initBackroundCombo(QGridLayout *grid)
83 {
83 {
84 QComboBox *backgroundCombo = new QComboBox(this);
84 QComboBox *backgroundCombo = new QComboBox(this);
85 backgroundCombo->addItem("Color");
85 backgroundCombo->addItem("Color");
86 backgroundCombo->addItem("Gradient");
86 backgroundCombo->addItem("Gradient");
87 backgroundCombo->addItem("Image");
87 backgroundCombo->addItem("Image");
88 connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
88 connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
89 this, SLOT(backgroundChanged(int)));
89 this, SLOT(backgroundChanged(int)));
90
90
91 grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
91 grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
92 grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
92 grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
93 }
93 }
94
94
95 // Scale related controls (auto-scale vs. manual min-max values)
95 // Scale related controls (auto-scale vs. manual min-max values)
96 void MainWidget::initScaleControls(QGridLayout *grid)
96 void MainWidget::initScaleControls(QGridLayout *grid)
97 {
97 {
98 m_autoScaleCheck = new QCheckBox("Automatic scaling");
98 m_autoScaleCheck = new QCheckBox("Automatic scaling");
99 connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
99 connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
100 // Allow setting also non-sense values (like -2147483648 and 2147483647)
100 // Allow setting also non-sense values (like -2147483648 and 2147483647)
101 m_xMinSpin = new QSpinBox();
101 m_xMinSpin = new QSpinBox();
102 m_xMinSpin->setMinimum(INT_MIN);
102 m_xMinSpin->setMinimum(INT_MIN);
103 m_xMinSpin->setMaximum(INT_MAX);
103 m_xMinSpin->setMaximum(INT_MAX);
104 m_xMinSpin->setValue(0);
104 m_xMinSpin->setValue(0);
105 connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
105 connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
106 m_xMaxSpin = new QSpinBox();
106 m_xMaxSpin = new QSpinBox();
107 m_xMaxSpin->setMinimum(INT_MIN);
107 m_xMaxSpin->setMinimum(INT_MIN);
108 m_xMaxSpin->setMaximum(INT_MAX);
108 m_xMaxSpin->setMaximum(INT_MAX);
109 m_xMaxSpin->setValue(10);
109 m_xMaxSpin->setValue(10);
110 connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
110 connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
111 m_yMinSpin = new QSpinBox();
111 m_yMinSpin = new QSpinBox();
112 m_yMinSpin->setMinimum(INT_MIN);
112 m_yMinSpin->setMinimum(INT_MIN);
113 m_yMinSpin->setMaximum(INT_MAX);
113 m_yMinSpin->setMaximum(INT_MAX);
114 m_yMinSpin->setValue(0);
114 m_yMinSpin->setValue(0);
115 connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
115 connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
116 m_yMaxSpin = new QSpinBox();
116 m_yMaxSpin = new QSpinBox();
117 m_yMaxSpin->setMinimum(INT_MIN);
117 m_yMaxSpin->setMinimum(INT_MIN);
118 m_yMaxSpin->setMaximum(INT_MAX);
118 m_yMaxSpin->setMaximum(INT_MAX);
119 m_yMaxSpin->setValue(10);
119 m_yMaxSpin->setValue(10);
120 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
120 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
121
121
122 grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
122 grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
123 grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
123 grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
124 grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
124 grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
125 grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
125 grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
126 grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
126 grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
127 grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
127 grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
128 grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
128 grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
129 grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
129 grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
130 grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
130 grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
131
131
132 m_autoScaleCheck->setChecked(true);
132 m_autoScaleCheck->setChecked(true);
133 }
133 }
134
134
135 // Combo box for selecting theme
135 // Combo box for selecting theme
136 void MainWidget::initThemeCombo(QGridLayout *grid)
136 void MainWidget::initThemeCombo(QGridLayout *grid)
137 {
137 {
138 QComboBox *chartTheme = new QComboBox();
138 QComboBox *chartTheme = new QComboBox();
139 chartTheme->addItem("Default");
139 chartTheme->addItem("Default");
140 chartTheme->addItem("Light");
140 chartTheme->addItem("Light");
141 chartTheme->addItem("Blue Cerulean");
141 chartTheme->addItem("Blue Cerulean");
142 chartTheme->addItem("Dark");
142 chartTheme->addItem("Dark");
143 chartTheme->addItem("Brown Sand");
143 chartTheme->addItem("Brown Sand");
144 chartTheme->addItem("Blue NCS");
144 chartTheme->addItem("Blue NCS");
145 chartTheme->addItem("High Contrast");
145 chartTheme->addItem("High Contrast");
146 chartTheme->addItem("Blue Icy");
146 chartTheme->addItem("Blue Icy");
147 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
147 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
148 this, SLOT(changeChartTheme(int)));
148 this, SLOT(changeChartTheme(int)));
149 grid->addWidget(new QLabel("Chart theme:"), 8, 0);
149 grid->addWidget(new QLabel("Chart theme:"), 8, 0);
150 grid->addWidget(chartTheme, 8, 1);
150 grid->addWidget(chartTheme, 8, 1);
151 }
151 }
152
152
153 // Different check boxes for customizing chart
153 // Different check boxes for customizing chart
154 void MainWidget::initCheckboxes(QGridLayout *grid)
154 void MainWidget::initCheckboxes(QGridLayout *grid)
155 {
155 {
156 // TODO: setZoomEnabled slot has been removed from QChartView -> Re-implement zoom on/off
156 // TODO: setZoomEnabled slot has been removed from QChartView -> Re-implement zoom on/off
157 QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
157 QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
158 // connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartView, SLOT(setZoomEnabled(bool)));
158 // connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartView, SLOT(setZoomEnabled(bool)));
159 zoomCheckBox->setChecked(true);
159 zoomCheckBox->setChecked(true);
160 grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
160 grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
161
161
162 QCheckBox *aliasCheckBox = new QCheckBox("Anti-alias");
162 QCheckBox *aliasCheckBox = new QCheckBox("Anti-alias");
163 connect(aliasCheckBox, SIGNAL(toggled(bool)), this, SLOT(antiAliasToggled(bool)));
163 connect(aliasCheckBox, SIGNAL(toggled(bool)), this, SLOT(antiAliasToggled(bool)));
164 aliasCheckBox->setChecked(false);
164 aliasCheckBox->setChecked(false);
165 grid->addWidget(aliasCheckBox, grid->rowCount(), 0);
165 grid->addWidget(aliasCheckBox, grid->rowCount(), 0);
166 }
166 }
167
167
168 void MainWidget::antiAliasToggled(bool enabled)
168 void MainWidget::antiAliasToggled(bool enabled)
169 {
169 {
170 m_chartView->setRenderHint(QPainter::Antialiasing, enabled);
170 m_chartView->setRenderHint(QPainter::Antialiasing, enabled);
171 }
171 }
172
172
173 void MainWidget::addSeries()
173 void MainWidget::addSeries()
174 {
174 {
175 if (!m_addSerieDialog) {
175 if (!m_addSerieDialog) {
176 m_addSerieDialog = new DataSerieDialog(this);
176 m_addSerieDialog = new DataSerieDialog(this);
177 connect(m_addSerieDialog, SIGNAL(accepted(QString, int, int, QString, bool)),
177 connect(m_addSerieDialog, SIGNAL(accepted(QString, int, int, QString, bool)),
178 this, SLOT(addSeries(QString, int, int, QString, bool)));
178 this, SLOT(addSeries(QString, int, int, QString, bool)));
179 }
179 }
180 m_addSerieDialog->exec();
180 m_addSerieDialog->exec();
181 }
181 }
182
182
183 QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
183 QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
184 {
184 {
185 // TODO: dataCharacteristics
185 // TODO: dataCharacteristics
186 QList<RealList> testData;
186 QList<RealList> testData;
187 for (int j(0); j < columnCount; j++) {
187 for (int j(0); j < columnCount; j++) {
188 QList <qreal> newColumn;
188 QList <qreal> newColumn;
189 for (int i(0); i < rowCount; i++) {
189 for (int i(0); i < rowCount; i++) {
190 if (dataCharacteristics == "Sin") {
190 if (dataCharacteristics == "Sin") {
191 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100));
191 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100));
192 } else if (dataCharacteristics == "Sin + random") {
192 } else if (dataCharacteristics == "Sin + random") {
193 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
193 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
194 } else if (dataCharacteristics == "Random") {
194 } else if (dataCharacteristics == "Random") {
195 newColumn.append(rand() % 10 + (qreal) rand() / (qreal) RAND_MAX);
195 newColumn.append(rand() % 10 + (qreal) rand() / (qreal) RAND_MAX);
196 } else if (dataCharacteristics == "Linear") {
196 } else if (dataCharacteristics == "Linear") {
197 //newColumn.append(i * (j + 1.0));
197 //newColumn.append(i * (j + 1.0));
198 // TODO: temporary hack to make pie work; prevent zero values:
198 // TODO: temporary hack to make pie work; prevent zero values:
199 newColumn.append(i * (j + 1.0) + 0.1);
199 newColumn.append(i * (j + 1.0) + 0.1);
200 } else { // "constant"
200 } else { // "constant"
201 newColumn.append((j + 1.0));
201 newColumn.append((j + 1.0));
202 }
202 }
203 }
203 }
204 testData.append(newColumn);
204 testData.append(newColumn);
205 }
205 }
206 return testData;
206 return testData;
207 }
207 }
208
208
209 QStringList MainWidget::generateLabels(int count)
209 QStringList MainWidget::generateLabels(int count)
210 {
210 {
211 QStringList result;
211 QStringList result;
212 for (int i(0); i < count; i++)
212 for (int i(0); i < count; i++)
213 result.append("label" + QString::number(i));
213 result.append("label" + QString::number(i));
214 return result;
214 return result;
215 }
215 }
216
216
217 void MainWidget::addSeries(QString seriesName, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled)
217 void MainWidget::addSeries(QString seriesName, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled)
218 {
218 {
219 qDebug() << "addSeries: " << seriesName
219 qDebug() << "addSeries: " << seriesName
220 << " columnCount: " << columnCount
220 << " columnCount: " << columnCount
221 << " rowCount: " << rowCount
221 << " rowCount: " << rowCount
222 << " dataCharacteristics: " << dataCharacteristics
222 << " dataCharacteristics: " << dataCharacteristics
223 << " labels enabled: " << labelsEnabled;
223 << " labels enabled: " << labelsEnabled;
224 m_defaultSeriesName = seriesName;
224 m_defaultSeriesName = seriesName;
225
225
226 QList<RealList> data = generateTestData(columnCount, rowCount, dataCharacteristics);
226 QList<RealList> data = generateTestData(columnCount, rowCount, dataCharacteristics);
227
227
228 // Line series and scatter series use similar data
228 // Line series and scatter series use similar data
229 if (seriesName == "Line") {
229 if (seriesName == "Line") {
230 for (int j(0); j < data.count(); j ++) {
230 for (int j(0); j < data.count(); j ++) {
231 QList<qreal> column = data.at(j);
231 QList<qreal> column = data.at(j);
232 QLineSeries *series = new QLineSeries();
232 QLineSeries *series = new QLineSeries();
233 series->setName("line" + QString::number(j));
233 for (int i(0); i < column.count(); i++)
234 for (int i(0); i < column.count(); i++)
234 series->append(i, column.at(i));
235 series->append(i, column.at(i));
235 m_chart->addSeries(series);
236 m_chart->addSeries(series);
236 }
237 }
237 } else if (seriesName == "Area") {
238 } else if (seriesName == "Area") {
238 // TODO: lower series for the area?
239 // TODO: lower series for the area?
239 for (int j(0); j < data.count(); j ++) {
240 for (int j(0); j < data.count(); j ++) {
240 QList<qreal> column = data.at(j);
241 QList<qreal> column = data.at(j);
241 QLineSeries *lineSeries = new QLineSeries();
242 QLineSeries *lineSeries = new QLineSeries();
242 for (int i(0); i < column.count(); i++)
243 for (int i(0); i < column.count(); i++)
243 lineSeries->append(i, column.at(i));
244 lineSeries->append(i, column.at(i));
244 QAreaSeries *areaSeries = new QAreaSeries(lineSeries);
245 QAreaSeries *areaSeries = new QAreaSeries(lineSeries);
246 areaSeries->setName("area" + QString::number(j));
245 m_chart->addSeries(areaSeries);
247 m_chart->addSeries(areaSeries);
246 }
248 }
247 } else if (seriesName == "Scatter") {
249 } else if (seriesName == "Scatter") {
248 for (int j(0); j < data.count(); j++) {
250 for (int j(0); j < data.count(); j++) {
249 QList<qreal> column = data.at(j);
251 QList<qreal> column = data.at(j);
250 QScatterSeries *series = new QScatterSeries();
252 QScatterSeries *series = new QScatterSeries();
253 series->setName("scatter" + QString::number(j));
251 for (int i(0); i < column.count(); i++)
254 for (int i(0); i < column.count(); i++)
252 series->append(i, column.at(i));
255 series->append(i, column.at(i));
253 m_chart->addSeries(series);
256 m_chart->addSeries(series);
254 }
257 }
255 } else if (seriesName == "Pie") {
258 } else if (seriesName == "Pie") {
256 QStringList labels = generateLabels(rowCount);
259 QStringList labels = generateLabels(rowCount);
257 for (int j(0); j < data.count(); j++) {
260 for (int j(0); j < data.count(); j++) {
258 QPieSeries *series = new QPieSeries();
261 QPieSeries *series = new QPieSeries();
259 QList<qreal> column = data.at(j);
262 QList<qreal> column = data.at(j);
260 for (int i(0); i < column.count(); i++)
263 for (int i(0); i < column.count(); i++)
261 series->append(column.at(i), labels.at(i));
264 series->append(column.at(i), labels.at(i));
262 m_chart->addSeries(series);
265 m_chart->addSeries(series);
263 }
266 }
264 } else if (seriesName == "Bar"
267 } else if (seriesName == "Bar"
265 || seriesName == "Stacked bar"
268 || seriesName == "Stacked bar"
266 || seriesName == "Percent bar") {
269 || seriesName == "Percent bar") {
267 QStringList category;
270 QStringList category;
268 QStringList labels = generateLabels(rowCount);
271 QStringList labels = generateLabels(rowCount);
269 foreach(QString label, labels)
272 foreach(QString label, labels)
270 category << label;
273 category << label;
271 QBarSeries* series = 0;
274 QBarSeries* series = 0;
272 if (seriesName == "Bar")
275 if (seriesName == "Bar")
273 series = new QBarSeries(category, this);
276 series = new QBarSeries(category, this);
274 else if (seriesName == "Stacked bar")
277 else if (seriesName == "Stacked bar")
275 series = new QStackedBarSeries(category, this);
278 series = new QStackedBarSeries(category, this);
276 else
279 else
277 series = new QPercentBarSeries(category, this);
280 series = new QPercentBarSeries(category, this);
278
281
279 for (int j(0); j < data.count(); j++) {
282 for (int j(0); j < data.count(); j++) {
280 QList<qreal> column = data.at(j);
283 QList<qreal> column = data.at(j);
281 QBarSet *set = new QBarSet("set" + QString::number(j));
284 QBarSet *set = new QBarSet("set" + QString::number(j));
282 for (int i(0); i < column.count(); i++)
285 for (int i(0); i < column.count(); i++)
283 *set << column.at(i);
286 *set << column.at(i);
284 series->appendBarSet(set);
287 series->appendBarSet(set);
285 }
288 }
286
289
287 // TODO: new implementation of setFloatingValuesEnabled with signals
290 // TODO: new implementation of setFloatingValuesEnabled with signals
288 //series->setFloatingValuesEnabled(true);
291 //series->setFloatingValuesEnabled(true);
289 series->setToolTipEnabled(true);
292 series->setToolTipEnabled(true);
290 m_chart->addSeries(series);
293 m_chart->addSeries(series);
291 } else if (seriesName == "Spline") {
294 } else if (seriesName == "Spline") {
292 for (int j(0); j < data.count(); j ++) {
295 for (int j(0); j < data.count(); j ++) {
293 QList<qreal> column = data.at(j);
296 QList<qreal> column = data.at(j);
294 QSplineSeries *series = new QSplineSeries();
297 QSplineSeries *series = new QSplineSeries();
295 for (int i(0); i < column.count(); i++)
298 for (int i(0); i < column.count(); i++)
296 series->append(i, column.at(i));
299 series->append(i, column.at(i));
297 m_chart->addSeries(series);
300 m_chart->addSeries(series);
298 }
301 }
299 }
302 }
300 }
303 }
301
304
302 void MainWidget::backgroundChanged(int itemIndex)
305 void MainWidget::backgroundChanged(int itemIndex)
303 {
306 {
304 qDebug() << "backgroundChanged: " << itemIndex;
307 qDebug() << "backgroundChanged: " << itemIndex;
305 }
308 }
306
309
307 void MainWidget::autoScaleChanged(int value)
310 void MainWidget::autoScaleChanged(int value)
308 {
311 {
309 if (value) {
312 if (value) {
310 // TODO: enable auto scaling
313 // TODO: enable auto scaling
311 } else {
314 } else {
312 // TODO: set scaling manually (and disable auto scaling)
315 // TODO: set scaling manually (and disable auto scaling)
313 }
316 }
314
317
315 m_xMinSpin->setEnabled(!value);
318 m_xMinSpin->setEnabled(!value);
316 m_xMaxSpin->setEnabled(!value);
319 m_xMaxSpin->setEnabled(!value);
317 m_yMinSpin->setEnabled(!value);
320 m_yMinSpin->setEnabled(!value);
318 m_yMaxSpin->setEnabled(!value);
321 m_yMaxSpin->setEnabled(!value);
319 }
322 }
320
323
321 void MainWidget::xMinChanged(int value)
324 void MainWidget::xMinChanged(int value)
322 {
325 {
323 qDebug() << "xMinChanged: " << value;
326 qDebug() << "xMinChanged: " << value;
324 }
327 }
325
328
326 void MainWidget::xMaxChanged(int value)
329 void MainWidget::xMaxChanged(int value)
327 {
330 {
328 qDebug() << "xMaxChanged: " << value;
331 qDebug() << "xMaxChanged: " << value;
329 }
332 }
330
333
331 void MainWidget::yMinChanged(int value)
334 void MainWidget::yMinChanged(int value)
332 {
335 {
333 qDebug() << "yMinChanged: " << value;
336 qDebug() << "yMinChanged: " << value;
334 }
337 }
335
338
336 void MainWidget::yMaxChanged(int value)
339 void MainWidget::yMaxChanged(int value)
337 {
340 {
338 qDebug() << "yMaxChanged: " << value;
341 qDebug() << "yMaxChanged: " << value;
339 }
342 }
340
343
341 void MainWidget::changeChartTheme(int themeIndex)
344 void MainWidget::changeChartTheme(int themeIndex)
342 {
345 {
343 qDebug() << "changeChartTheme: " << themeIndex;
346 qDebug() << "changeChartTheme: " << themeIndex;
344 m_chart->setTheme((QChart::ChartTheme) themeIndex);
347 m_chart->setTheme((QChart::ChartTheme) themeIndex);
345 }
348 }
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