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Refactored chartwidgettest test data impl
Tero Ahola -
r278:1d8f8b316dca
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@@ -13,6 +13,7 int main(int argc, char *argv[])
13 // Create chart widget
13 // Create chart widget
14 QChartView *chartView = new QChartView();
14 QChartView *chartView = new QChartView();
15
15
16 //! [1]
16 // Add scatter series with simple test data
17 // Add scatter series with simple test data
17 QScatterSeries *scatter = new QScatterSeries();
18 QScatterSeries *scatter = new QScatterSeries();
18 *scatter << QPointF(0.5, 5.0)
19 *scatter << QPointF(0.5, 5.0)
@@ -24,6 +25,7 int main(int argc, char *argv[])
24 << QPointF(2.5, 5.0);
25 << QPointF(2.5, 5.0);
25 // Chart takes ownership
26 // Chart takes ownership
26 chartView->addSeries(scatter);
27 chartView->addSeries(scatter);
28 //! [1]
27
29
28 // Add another scatter series
30 // Add another scatter series
29 // - more data with random component
31 // - more data with random component
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@@ -167,12 +167,12 void ChartTheme::decorate(ScatterPresenter* presenter, QScatterSeries* series, i
167
167
168 QColor color = m_seriesColor.at(count % m_seriesColor.size());
168 QColor color = m_seriesColor.at(count % m_seriesColor.size());
169 // TODO: define alpha in the theme? or in the series?
169 // TODO: define alpha in the theme? or in the series?
170 color.setAlpha(120);
170 //color.setAlpha(120);
171
171
172 QBrush brush(color, Qt::SolidPattern);
172 QBrush brush(color, Qt::SolidPattern);
173 presenter->m_markerBrush = brush;
173 presenter->m_markerBrush = brush;
174
174
175 QPen pen(brush, 1);
175 QPen pen(brush, 3);
176 pen.setColor(color);
176 pen.setColor(color);
177 presenter->m_markerPen = pen;
177 presenter->m_markerPen = pen;
178 }
178 }
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@@ -66,7 +66,7 bool QPieSeries::setData(QList<qreal> data)
66 {
66 {
67 // TODO: remove this function
67 // TODO: remove this function
68 QList<QPieSlice*> slices;
68 QList<QPieSlice*> slices;
69 foreach (int value, data)
69 foreach (qreal value, data)
70 slices << new QPieSlice(value, QString::number(value));
70 slices << new QPieSlice(value, QString::number(value));
71 set(slices);
71 set(slices);
72 return true;
72 return true;
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@@ -33,6 +33,7 QScatterSeriesPrivate::QScatterSeriesPrivate() :
33 \class QScatterSeries
33 \class QScatterSeries
34 \brief QtCommercial Chart series API for showing scatter series.
34 \brief QtCommercial Chart series API for showing scatter series.
35
35
36 \snippet ../../example/scatter/main.cpp 1
36 Example on how to create a chart with scatter series:
37 Example on how to create a chart with scatter series:
37 \code
38 \code
38 #include <qchartglobal.h>
39 #include <qchartglobal.h>
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@@ -4,6 +4,7
4 #include <QPainter>
4 #include <QPainter>
5 #include <QGraphicsScene>
5 #include <QGraphicsScene>
6 #include <QDebug>
6 #include <QDebug>
7 #include <QTime>
7
8
8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9
10
@@ -45,21 +46,61 void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *
45 {
46 {
46 // TODO: Optimization: avoid setting on every paint method call?
47 // TODO: Optimization: avoid setting on every paint method call?
47 // The custom settings in series override those defined by the theme
48 // The custom settings in series override those defined by the theme
48 if (m_series->markerPen().color().isValid())
49 int shape = m_series->markerShape();
49 painter->setPen(m_series->markerPen());
50
50 else
51 painter->save();
51 painter->setPen(m_markerPen);
52 painter->setClipRect(m_boundingRect);
53
54 // Paint dropshadow
55 QPen dropShadowPen(QColor(0, 0, 0, 70));
56 dropShadowPen.setWidth(3);
57 painter->setPen(dropShadowPen);
58 painter->setBrush(Qt::NoBrush);
59 painter->setRenderHint(QPainter::Antialiasing);
60 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
61 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
62 switch (shape) {
63 case QScatterSeries::MarkerShapeDefault:
64 // Fallthrough, defaults to circle
65 case QScatterSeries::MarkerShapeCircle:
66 painter->drawChord(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 9, 9, 0, 5760);
67 break;
68 case QScatterSeries::MarkerShapePoint:
69 //painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
70 break;
71 case QScatterSeries::MarkerShapeRectangle:
72 painter->drawRect(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 8, 8);
73 break;
74 case QScatterSeries::MarkerShapeTiltedRectangle: {
75 // TODO:
76 static const QPointF points[4] = {
77 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
78 QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
79 QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
80 QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
81 };
82 painter->drawPolygon(points, 4);
83 break;
84 }
85 default:
86 // TODO: implement the rest of the shapes
87 Q_ASSERT(false);
88 break;
89 }
90 }
52
91
92 // Paint the shape
93 QPen pen = m_markerPen;
94 if (m_series->markerPen().color().isValid())
95 pen = m_series->markerPen();
53 if (m_series->markerBrush().color().isValid())
96 if (m_series->markerBrush().color().isValid())
54 painter->setBrush(m_series->markerBrush());
97 painter->setBrush(m_series->markerBrush());
55 else
98 else
56 painter->setBrush(m_markerBrush);
99 painter->setBrush(m_markerBrush);
57
100 painter->setPen(pen);
58 int shape = m_series->markerShape();
101 painter->setRenderHint(QPainter::Antialiasing, false);
59
60 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
102 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
61 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
103 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
62 // Paint a shape
63 switch (shape) {
104 switch (shape) {
64 case QScatterSeries::MarkerShapeDefault:
105 case QScatterSeries::MarkerShapeDefault:
65 // Fallthrough, defaults to circle
106 // Fallthrough, defaults to circle
@@ -72,7 +113,7 void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *
72 case QScatterSeries::MarkerShapeRectangle:
113 case QScatterSeries::MarkerShapeRectangle:
73 painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);
114 painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);
74 break;
115 break;
75 case QScatterSeries::MarkerShapeTiltedRectangle:
116 case QScatterSeries::MarkerShapeTiltedRectangle: {
76 // TODO:
117 // TODO:
77 static const QPointF points[4] = {
118 static const QPointF points[4] = {
78 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
119 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
@@ -82,12 +123,15 void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *
82 };
123 };
83 painter->drawPolygon(points, 4);
124 painter->drawPolygon(points, 4);
84 break;
125 break;
126 }
85 default:
127 default:
86 // TODO: implement the rest of the shapes
128 // TODO: implement the rest of the shapes
87 Q_ASSERT(false);
129 Q_ASSERT(false);
88 break;
130 break;
89 }
131 }
90 }
132 }
133
134 painter->restore();
91 }
135 }
92
136
93 void ScatterPresenter::changeGeometry()
137 void ScatterPresenter::changeGeometry()
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@@ -1,42 +1,16
1 #include "dataseriedialog.h"
1 #include "dataseriedialog.h"
2 #include <QDialogButtonBox>
2 #include <QDialogButtonBox>
3 #include <QGridLayout>
3 #include <QGridLayout>
4 #include <QComboBox>
4 #include <QCheckbox>
5 #include <QPushButton>
5 #include <QPushButton>
6 #include <QGroupBox>
7 #include <QRadioButton>
6 #include <QLabel>
8 #include <QLabel>
7 #include <QDebug>
9 #include <QDebug>
8
10
9 DataSerieDialog::DataSerieDialog(QString defaultType, QWidget *parent) :
11 DataSerieDialog::DataSerieDialog(QString defaultType, QWidget *parent) :
10 QDialog(parent)
12 QDialog(parent)
11 {
13 {
12 // Combo box for selecting the series type
13 m_seriesTypeCombo = new QComboBox(this);
14 m_seriesTypeCombo->addItem("Line");
15 m_seriesTypeCombo->addItem("Area");
16 m_seriesTypeCombo->addItem("Bar");
17 m_seriesTypeCombo->addItem("StackedBar");
18 m_seriesTypeCombo->addItem("PercentBar");
19 m_seriesTypeCombo->addItem("Pie");
20 m_seriesTypeCombo->addItem("Scatter");
21 m_seriesTypeCombo->addItem("Spline");
22
23 // Allow pre-selection of a series type
24 if (defaultType != "") {
25 int index = m_seriesTypeCombo->findText(defaultType);
26 if (index > 0)
27 m_seriesTypeCombo->setCurrentIndex(index);
28 }
29
30 // Combo box for selecting data for the new series
31 m_testDataCombo = new QComboBox(this);
32 m_testDataCombo->addItem("linear");
33 m_testDataCombo->addItem("linear, 1M");
34 m_testDataCombo->addItem("SIN");
35 m_testDataCombo->addItem("SIN + random");
36 m_testDataCombo->addItem("Table, 5 series");
37 m_testDataCombo->addItem("TODO From file...");
38 m_testDataCombo->addItem("TODO From URL...");
39
40 QDialogButtonBox *addSeriesBox = new QDialogButtonBox(Qt::Horizontal);
14 QDialogButtonBox *addSeriesBox = new QDialogButtonBox(Qt::Horizontal);
41 QPushButton *b = addSeriesBox->addButton(QDialogButtonBox::Ok);
15 QPushButton *b = addSeriesBox->addButton(QDialogButtonBox::Ok);
42 connect(b, SIGNAL(clicked()), this, SLOT(accept()));
16 connect(b, SIGNAL(clicked()), this, SLOT(accept()));
@@ -44,22 +18,132 DataSerieDialog::DataSerieDialog(QString defaultType, QWidget *parent) :
44 connect(b, SIGNAL(clicked()), this, SLOT(reject()));
18 connect(b, SIGNAL(clicked()), this, SLOT(reject()));
45
19
46 QGridLayout *grid = new QGridLayout();
20 QGridLayout *grid = new QGridLayout();
47 grid->addWidget(new QLabel("Series type:"), 0, 0);
21
48 grid->addWidget(m_seriesTypeCombo, 0, 1);
22 m_seriesTypeSelector = seriesTypeSelector();
49 grid->addWidget(new QLabel("Data:"), 1, 0);
23 m_columnCountSelector = columnCountSelector();
50 grid->addWidget(m_testDataCombo, 1, 1);
24 m_rowCountSelector = rowCountSelector();
51 grid->addWidget(addSeriesBox, 2, 1);
25 m_dataCharacteristicsSelector = dataCharacteristicsSelector();
26
27 grid->addWidget(m_seriesTypeSelector, 0, 0);
28 grid->addWidget(m_columnCountSelector, 0, 1);
29 grid->addWidget(m_rowCountSelector, 1, 1);
30 grid->addWidget(m_dataCharacteristicsSelector, 1, 0);
31 m_labelsSelector = new QCheckBox("Labels defined");
32 m_labelsSelector->setChecked(true);
33 grid->addWidget(m_labelsSelector, 2, 0);
34 grid->addWidget(addSeriesBox, 3, 1);
52
35
53 setLayout(grid);
36 setLayout(grid);
54 }
37 }
55
38
39 QGroupBox *DataSerieDialog::seriesTypeSelector()
40 {
41 QVBoxLayout *layout = new QVBoxLayout();
42
43 QRadioButton *line = new QRadioButton("&Line");
44 QRadioButton *area = new QRadioButton("&Area");
45 QRadioButton *pie = new QRadioButton("&Pie");
46 QRadioButton *bar = new QRadioButton("&Bar");
47 QRadioButton *scatter = new QRadioButton("&Scatter");
48 QRadioButton *spline = new QRadioButton("Spl&ine");
49 line->setChecked(true);
50
51 layout->addWidget(line);
52 layout->addWidget(area);
53 layout->addWidget(pie);
54 layout->addWidget(bar);
55 layout->addWidget(scatter);
56 layout->addWidget(spline);
57
58 QGroupBox *groupBox = new QGroupBox("Series type");
59 groupBox->setLayout(layout);
60
61 return groupBox;
62 }
63
64 QGroupBox *DataSerieDialog::columnCountSelector()
65 {
66 QVBoxLayout *layout = new QVBoxLayout();
67
68 QRadioButton *radio = new QRadioButton("1");
69 radio->setChecked(true);
70 layout->addWidget(radio);
71 layout->addWidget(new QRadioButton("2"));
72 layout->addWidget(new QRadioButton("3"));
73 layout->addWidget(new QRadioButton("5"));
74 layout->addWidget(new QRadioButton("10"));
75 layout->addWidget(new QRadioButton("100"));
76
77 QGroupBox *groupBox = new QGroupBox("Column count");
78 groupBox->setLayout(layout);
79
80 return groupBox;
81 }
82
83 QGroupBox *DataSerieDialog::rowCountSelector()
84 {
85 QVBoxLayout *layout = new QVBoxLayout();
86
87 layout->addWidget(new QRadioButton("1"));
88 QRadioButton *radio = new QRadioButton("10");
89 radio->setChecked(true);
90 layout->addWidget(radio);
91 layout->addWidget(new QRadioButton("50"));
92 layout->addWidget(new QRadioButton("100"));
93 layout->addWidget(new QRadioButton("10000"));
94 layout->addWidget(new QRadioButton("1000000"));
95
96 QGroupBox *groupBox = new QGroupBox("Row count");
97 groupBox->setLayout(layout);
98
99 return groupBox;
100 }
101
102 QGroupBox *DataSerieDialog::dataCharacteristicsSelector()
103 {
104 QVBoxLayout *layout = new QVBoxLayout();
105
106 QRadioButton *radio1 = new QRadioButton("Linear");
107 radio1->setChecked(true);
108 layout->addWidget(radio1);
109 layout->addWidget(new QRadioButton("Constant"));
110 layout->addWidget(new QRadioButton("Random"));
111 layout->addWidget(new QRadioButton("Sin"));
112 layout->addWidget(new QRadioButton("Sin + random"));
113
114 QGroupBox *groupBox = new QGroupBox("Data Characteristics");
115 groupBox->setLayout(layout);
116
117 return groupBox;
118 }
119
56 void DataSerieDialog::accept()
120 void DataSerieDialog::accept()
57 {
121 {
58 accepted(m_seriesTypeCombo->currentText(), m_testDataCombo->currentText());
122 accepted(radioSelection(m_seriesTypeSelector),
123 radioSelection(m_columnCountSelector).toInt(),
124 radioSelection(m_rowCountSelector).toInt(),
125 radioSelection(m_dataCharacteristicsSelector),
126 m_labelsSelector->isChecked());
59 QDialog::accept();
127 QDialog::accept();
60 }
128 }
61 //void DataSerieDialog::addSeries(QAbstractButton *button)
129
62 //{
130 QString DataSerieDialog::radioSelection(QGroupBox *groupBox)
63 // addSeries(button->text().toAscii());
131 {
64 // accept();
132 QString selection;
65 //}
133 QVBoxLayout *layout = qobject_cast<QVBoxLayout *>(groupBox->layout());
134 Q_ASSERT(layout);
135
136 for (int i(0); i < layout->count(); i++) {
137 QLayoutItem *item = layout->itemAt(i);
138 Q_ASSERT(item);
139 QRadioButton *radio = qobject_cast<QRadioButton *>(item->widget());
140 Q_ASSERT(radio);
141 if (radio->isChecked()) {
142 selection = radio->text();
143 break;
144 }
145 }
146
147 qDebug() << "radioSelection: " << selection;
148 return selection;
149 }
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@@ -3,7 +3,8
3
3
4 #include <QDialog>
4 #include <QDialog>
5
5
6 class QComboBox;
6 class QGroupBox;
7 class QCheckBox;
7
8
8 class DataSerieDialog : public QDialog
9 class DataSerieDialog : public QDialog
9 {
10 {
@@ -12,14 +13,22 public:
12 explicit DataSerieDialog(QString defaultType, QWidget *parent = 0);
13 explicit DataSerieDialog(QString defaultType, QWidget *parent = 0);
13
14
14 signals:
15 signals:
15 void accepted(QString series, QString data);
16 void accepted(QString series, int columnCount, int rowCount, QString dataCharacteristics, bool labelsDefined);
16
17
17 public slots:
18 public slots:
18 void accept();
19 void accept();
19
20
20 private:
21 private:
21 QComboBox *m_seriesTypeCombo;
22 QGroupBox *seriesTypeSelector();
22 QComboBox *m_testDataCombo;
23 QGroupBox *columnCountSelector();
24 QGroupBox *rowCountSelector();
25 QGroupBox *dataCharacteristicsSelector();
26 QString radioSelection(QGroupBox *groupBox);
27 QGroupBox *m_seriesTypeSelector;
28 QGroupBox *m_columnCountSelector;
29 QGroupBox *m_rowCountSelector;
30 QCheckBox *m_labelsSelector;
31 QGroupBox *m_dataCharacteristicsSelector;
23 };
32 };
24
33
25 #endif // DATASERIEDIALOG_H
34 #endif // DATASERIEDIALOG_H
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@@ -63,9 +63,6 MainWidget::MainWidget(QWidget *parent) :
63 // Add layouts and the chart widget to the main layout
63 // Add layouts and the chart widget to the main layout
64 mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
64 mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
65 setLayout(mainLayout);
65 setLayout(mainLayout);
66
67 // force an update to test data
68 testDataChanged(0);
69 }
66 }
70
67
71 // Combo box for selecting the chart's background
68 // Combo box for selecting the chart's background
@@ -168,140 +165,91 void MainWidget::initPieControls()
168 void MainWidget::addSeries()
165 void MainWidget::addSeries()
169 {
166 {
170 DataSerieDialog dialog(m_defaultSeriesName, this);
167 DataSerieDialog dialog(m_defaultSeriesName, this);
171 connect(&dialog, SIGNAL(accepted(QString, QString)), this, SLOT(addSeries(QString, QString)));
168 connect(&dialog, SIGNAL(accepted(QString, int, int, QString, bool)),
169 this, SLOT(addSeries(QString, int, int, QString, bool)));
172 dialog.exec();
170 dialog.exec();
173 }
171 }
174
172
175 void MainWidget::addSeries(QString series, QString data)
173 QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
176 {
174 {
177 qDebug() << "addSeries: " << series << " data: " << data;
175 // TODO: dataCharacteristics
178 m_defaultSeriesName = series;
176 QList<RealList> testData;
179
177 for (int j(0); j < columnCount; j++) {
180 // TODO: a dedicated data class for storing x and y values
178 QList <qreal> newColumn;
181 QList<qreal> x;
179 for (int i(0); i < rowCount; i++) {
182 QList<qreal> y;
180 if (dataCharacteristics == "Sin") {
183
181 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100));
184 QBarSet *set0 = new QBarSet;
182 } else if (dataCharacteristics == "Sin + random") {
185 QBarSet *set1 = new QBarSet;
183 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
186 QBarSet *set2 = new QBarSet;
184 } else if (dataCharacteristics == "Random") {
187 QBarSet *set3 = new QBarSet;
185 newColumn.append(rand() % 5);
188 QBarSet *set4 = new QBarSet;
186 } else if (dataCharacteristics == "Linear") {
189
187 //newColumn.append(i * (j + 1.0));
190 if (data == "linear") {
188 // TODO: temporary hack to make pie work; prevent zero values:
191 for (int i = 0; i < 20; i++) {
189 newColumn.append(i * (j + 1.0) + 0.1);
192 x.append(i);
190 } else { // "constant"
193 y.append(i);
191 newColumn.append((j + 1.0));
192 }
194 }
193 }
195 } else if (data == "linear, 1M") {
194 testData.append(newColumn);
196 // 1 million data points from 0.0001 to 100
195 }
197 // TODO: What is the requirement? Should we be able to show this kind of data with
196 return testData;
198 // reasonable performance, or can we expect the application developer to do "data mining"
197 }
199 // for us, so that the count of data points given to QtCommercial Chart is always
198
200 // reasonable?
199 QStringList MainWidget::generateLabels(int count)
201 for (qreal i = 0; i < 100; i += 0.0001) {
200 {
202 x.append(i);
201 QStringList result;
203 y.append(20);
202 for (int i(0); i < count; i++)
203 result.append("label" + QString::number(i));
204 return result;
205 }
206
207 void MainWidget::addSeries(QString seriesName, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled)
208 {
209 qDebug() << "addSeries: " << seriesName
210 << " columnCount: " << columnCount
211 << " rowCount: " << rowCount
212 << " dataCharacteristics: " << dataCharacteristics
213 << " labels enabled: " << labelsEnabled;
214 m_defaultSeriesName = seriesName;
215
216 QList<RealList> data = generateTestData(columnCount, rowCount, dataCharacteristics);
217
218 // Line series and scatter series use similar data
219 if (seriesName.contains("line", Qt::CaseInsensitive)) {
220 for (int j(0); j < data.count(); j ++) {
221 QList<qreal> column = data.at(j);
222 QLineChartSeries *series = new QLineChartSeries();
223 for (int i(0); i < column.count(); i++) {
224 series->add(i, column.at(i));
225 }
226 m_chartWidget->addSeries(series);
227 setCurrentSeries(series);
204 }
228 }
205 } else if (data == "SIN") {
229 } else if (seriesName.contains("scatter", Qt::CaseInsensitive)) {
206 for (int i = 0; i < 100; i++) {
230 for (int j(0); j < data.count(); j++) {
207 x.append(i);
231 QList<qreal> column = data.at(j);
208 y.append(abs(sin(3.14159265358979 / 50 * i) * 100));
232 QScatterSeries *series = new QScatterSeries();
233 for (int i(0); i < column.count(); i++) {
234 (*series) << QPointF(i, column.at(i));
235 }
236 m_chartWidget->addSeries(series);
237 setCurrentSeries(series);
209 }
238 }
210 } else if (data == "SIN + random") {
239 } else if (seriesName.contains("pie", Qt::CaseInsensitive)) {
211 for (qreal i = 0; i < 100; i += 0.1) {
240 QStringList labels = generateLabels(rowCount);
212 x.append(i + (rand() % 5));
241 for (int j(0); j < data.count(); j++) {
213 y.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
242 QPieSeries *series = new QPieSeries();
243 QList<qreal> column = data.at(j);
244 for (int i(0); i < column.count(); i++) {
245 series->add(column.at(i), labels.at(i));
246 }
247 m_chartWidget->addSeries(series);
248 setCurrentSeries(series);
214 }
249 }
215 } else if (data == "Table, 5 series"){
216 // Create some test data to chart
217 *set0 << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 12;
218 *set1 << 5 << 0 << 0 << 4 << 0 << 7 << 8 << 9 << 9 << 0 << 4 << 2;
219 *set2 << 3 << 5 << 8 << 13 << 8 << 5 << 3 << 2 << 1 << 1 << 3 << 5;
220 *set3 << 5 << 6 << 7 << 3 << 4 << 5 << 8 << 9 << 10 << 5 << 2 << 7;
221 *set4 << 9 << 7 << 5 << 3 << 1 << 2 << 4 << 6 << 8 << 10 << 1 << 6;
222 } else {
223 // TODO: check if data has a valid file name
224 Q_ASSERT(false);
225 }
226
227 // TODO: color of the series
228 QChartSeries *newSeries = 0;
229 if (series == "Scatter") {
230 QScatterSeries *scatter = new QScatterSeries();
231 for (int i(0); i < x.count() && i < y.count(); i++)
232 (*scatter) << QPointF(x.at(i), y.at(i));
233 m_chartWidget->addSeries(scatter);
234 } else if (series == "Pie") {
235 newSeries = new QPieSeries();
236 m_chartWidget->addSeries(newSeries);
237 Q_ASSERT(newSeries->setData(y));
238 } else if (series == "Line") {
239 // TODO: adding data to an existing line series does not give any visuals for some reason
240 // newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypeLine);
241 // QXYChartSeries *lineSeries = static_cast<QXYChartSeries *>(newSeries);
242 // lineSeries->setColor(Qt::blue);
243 // for (int i(0); i < x.count() && i < y.count(); i++) {
244 // lineSeries->add(x.at(i), y.at(i));
245 // }
246 //Q_ASSERT(newSeries->setData(x, y));
247 QLineChartSeries* series0 = new QLineChartSeries();
248 for (int i(0); i < x.count() && i < y.count(); i++)
249 series0->add(x.at(i), y.at(i));
250 m_chartWidget->addSeries(series0);
251 newSeries = series0;
252 } else if (series == "Bar") {
253 qDebug() << "Bar chart series";
254
255 QBarCategory *category = new QBarCategory;
256 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
257
258 QBarChartSeries* series0 = new QBarChartSeries(category, this);
259
260 series0->addBarSet(set0);
261 series0->addBarSet(set1);
262 series0->addBarSet(set2);
263 series0->addBarSet(set3);
264 series0->addBarSet(set4);
265
266 m_chartWidget->addSeries(series0);
267 newSeries = series0;
268 } else if (series == "StackedBar") {
269 qDebug() << "Stacked bar chart series";
270
271 QBarCategory *category = new QBarCategory;
272 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
273
274 QStackedBarChartSeries* series0 = new QStackedBarChartSeries(category, this);
275
276 series0->addBarSet(set0);
277 series0->addBarSet(set1);
278 series0->addBarSet(set2);
279 series0->addBarSet(set3);
280 series0->addBarSet(set4);
281
282 m_chartWidget->addSeries(series0);
283 newSeries = series0;
284 } else if (series == "PercentBar") {
285 qDebug() << "Percent bar chart series";
286
287 QBarCategory *category = new QBarCategory;
288 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
289
290 QPercentBarChartSeries* series0 = new QPercentBarChartSeries(category, this);
291
292 series0->addBarSet(set0);
293 series0->addBarSet(set1);
294 series0->addBarSet(set2);
295 series0->addBarSet(set3);
296 series0->addBarSet(set4);
297
298 m_chartWidget->addSeries(series0);
299 newSeries = series0;
300 } else {
301 qDebug() << "Something weird going on in MainWidget::addSeries";
302 }
250 }
303
251
304 setCurrentSeries(newSeries);
252 // TODO: bar and other...
305 }
253 }
306
254
307 void MainWidget::setCurrentSeries(QChartSeries *series)
255 void MainWidget::setCurrentSeries(QChartSeries *series)
@@ -331,42 +279,6 void MainWidget::setCurrentSeries(QChartSeries *series)
331 }
279 }
332 }
280 }
333
281
334 void MainWidget::testDataChanged(int itemIndex)
335 {
336 qDebug() << "testDataChanged: " << itemIndex;
337
338 // switch (itemIndex) {
339 // case 0: {
340 // QList<QChartDataPoint> data;
341 // for (int x = 0; x < 20; x++) {
342 // data.append(QChartDataPoint() << x << x / 2);
343 // }
344 // m_chartWidget->setData(data);
345 // break;
346 // }
347 // case 1: {
348 // QList<QChartDataPoint> data;
349 // for (int x = 0; x < 100; x++) {
350 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100));
351 // }
352 // m_chartWidget->setData(data);
353 // break;
354 // }
355 // case 2: {
356 // QList<QChartDataPoint> data;
357 // for (int x = 0; x < 1000; x++) {
358 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
359 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
360 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
361 // }
362 // m_chartWidget->setData(data);
363 // break;
364 // }
365 // default:
366 // break;
367 // }
368 }
369
370 void MainWidget::backgroundChanged(int itemIndex)
282 void MainWidget::backgroundChanged(int itemIndex)
371 {
283 {
372 qDebug() << "backgroundChanged: " << itemIndex;
284 qDebug() << "backgroundChanged: " << itemIndex;
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@@ -11,6 +11,8 class QGridLayout;
11
11
12 QTCOMMERCIALCHART_USE_NAMESPACE
12 QTCOMMERCIALCHART_USE_NAMESPACE
13
13
14 #define RealList QList<qreal>
15
14 class MainWidget : public QWidget
16 class MainWidget : public QWidget
15 {
17 {
16 Q_OBJECT
18 Q_OBJECT
@@ -27,8 +29,7 private:
27
29
28 private slots:
30 private slots:
29 void addSeries();
31 void addSeries();
30 void addSeries(QString series, QString data);
32 void addSeries(QString series, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled);
31 void testDataChanged(int itemIndex);
32 void backgroundChanged(int itemIndex);
33 void backgroundChanged(int itemIndex);
33 void autoScaleChanged(int value);
34 void autoScaleChanged(int value);
34 void xMinChanged(int value);
35 void xMinChanged(int value);
@@ -39,6 +40,8 private slots:
39 void changeChartTheme(int themeIndex);
40 void changeChartTheme(int themeIndex);
40 void setPieSizeFactor(double margin);
41 void setPieSizeFactor(double margin);
41 void setPiePosition(int position);
42 void setPiePosition(int position);
43 QList<RealList> generateTestData(int columnCount, int rowCount, QString dataCharacteristics);
44 QStringList generateLabels(int count);
42
45
43 private:
46 private:
44 QChartView *m_chartWidget;
47 QChartView *m_chartWidget;
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