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Clone from http://code.qt.io/qt/qtcharts.git

added labels to series, intergrated with test app. minor hack to test app
sauimone -
r167:023d2c8150a8
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@@ -25,6 +25,7 int BarChartModel::addData(QList<qreal> data)
25 25 DataContainer* c = new DataContainer(data,mRunningId);
26 26 mDataModel.append(c);
27 27 mRunningId++;
28 emit modelUpdated();
28 29 return mRunningId-1;
29 30 }
30 31
@@ -37,6 +38,7 void BarChartModel::removeData(int id)
37 38 delete c;
38 39 }
39 40 }
41 emit modelUpdated();
40 42 }
41 43
42 44 int BarChartModel::countRows()
@@ -66,18 +68,18 int BarChartModel::countTotalItems()
66 68 return total;
67 69 }
68 70
69 int BarChartModel::min()
71 qreal BarChartModel::min()
70 72 {
71 73 // qDebug() << "BarChartModel::min";
72 74 Q_ASSERT(mDataModel.count() > 0);
73 75 // TODO: make min and max members and update them when data changes.
74 76 // This is slower since they are checked every time, even if data is same since previous call.
75 int min = INT_MAX;
77 qreal min = INT_MAX;
76 78
77 79 for (int i=0; i <mDataModel.count(); i++) {
78 80 int itemCount = mDataModel.at(i)->countColumns();
79 81 for (int j=0; j<itemCount; j++) {
80 int temp = mDataModel.at(i)->valueAt(j);
82 qreal temp = mDataModel.at(i)->valueAt(j);
81 83 if (temp < min) {
82 84 min = temp;
83 85 }
@@ -86,19 +88,19 int BarChartModel::min()
86 88 return min;
87 89 }
88 90
89 int BarChartModel::max()
91 qreal BarChartModel::max()
90 92 {
91 93 // qDebug() << "BarChartModel::max";
92 94 Q_ASSERT(mDataModel.count() > 0);
93 95
94 96 // TODO: make min and max members and update them when data changes.
95 97 // This is slower since they are checked every time, even if data is same since previous call.
96 int max = INT_MIN;
98 qreal max = INT_MIN;
97 99
98 100 for (int i=0; i <mDataModel.count(); i++) {
99 101 int itemCount = mDataModel.at(i)->countColumns();
100 102 for (int j=0; j<itemCount; j++) {
101 int temp = mDataModel.at(i)->valueAt(j);
103 qreal temp = mDataModel.at(i)->valueAt(j);
102 104 if (temp > max) {
103 105 max = temp;
104 106 }
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@@ -24,9 +24,8 public:
24 24 int countColumns(); // Maximum number of items in series
25 25 int countTotalItems(); // Total items in all series. Includes empty items.
26 26
27 // TODO: qreal these
28 int max(); // Maximum value of all series
29 int min(); // Minimum value of all series
27 qreal max(); // Maximum value of all series
28 qreal min(); // Minimum value of all series
30 29 qreal valueAt(int series, int item);
31 30
32 31 qreal columnSum(int column);
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@@ -8,50 +8,64 QTCOMMERCIALCHART_BEGIN_NAMESPACE
8 8
9 9 BarChartSeriesBase::BarChartSeriesBase(QObject *parent)
10 10 : QChartSeries(parent)
11 ,mModel(*(new BarChartModel(this))) // TODO: is this ok?
11 ,mModel(new BarChartModel(this))
12 12 {
13 13 }
14 14
15 15 int BarChartSeriesBase::addData(QList<qreal> data)
16 16 {
17 return mModel.addData(data);
17 return mModel->addData(data);
18 18 }
19 19
20 20 void BarChartSeriesBase::removeData(int id)
21 21 {
22 mModel.removeData(id);
22 mModel->removeData(id);
23 }
24
25 void BarChartSeriesBase::setLabels(QList<QString> labels)
26 {
27 mLabels = labels;
23 28 }
24 29
25 30 qreal BarChartSeriesBase::min()
26 31 {
27 return mModel.min();
32 return mModel->min();
28 33 }
29 34
30 35 qreal BarChartSeriesBase::max()
31 36 {
32 return mModel.max();
37 return mModel->max();
33 38 }
34 39
35 40 int BarChartSeriesBase::countColumns()
36 41 {
37 return mModel.countColumns();
42 return mModel->countColumns();
38 43 }
39 44
40 45 qreal BarChartSeriesBase::valueAt(int series, int item)
41 46 {
42 qDebug() << "BarChartSeriesBase::valueAt" << series << item;
43 return mModel.valueAt(series,item);
47 // qDebug() << "BarChartSeriesBase::valueAt" << series << item;
48 return mModel->valueAt(series,item);
44 49 }
45 50
46 51 qreal BarChartSeriesBase::maxColumnSum()
47 52 {
48 qDebug() << "BarChartSeriesBase::maxColumnSum" << mModel.maxColumnSum();
49 return mModel.maxColumnSum();
53 // qDebug() << "BarChartSeriesBase::maxColumnSum" << mModel->maxColumnSum();
54 return mModel->maxColumnSum();
50 55 }
51 56
52 57 BarChartModel& BarChartSeriesBase::model()
53 58 {
54 return mModel;
59 return *mModel;
60 }
61
62 QString BarChartSeriesBase::label(int item)
63 {
64 if ((item>=0) && (item < mLabels.count())) {
65 return mLabels.at(item);
66 }
67
68 return QString("");
55 69 }
56 70
57 71 #include "moc_barchartseriesbase.cpp"
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@@ -26,7 +26,9 public:
26 26 // Returns id for vector.
27 27 int addData(QList<qreal> data);
28 28 void removeData(int id);
29 void setLabels(QList<QString> labels);
29 30
31 // These shouldn't be visible to chart series user. However, ChartDataSet needs to access them, and friends are evil.
30 32 qreal min();
31 33 qreal max();
32 34 int countColumns(); // Count items in one series.
@@ -34,6 +36,7 public:
34 36 qreal maxColumnSum();
35 37
36 38 BarChartModel& model();
39 QString label(int item);
37 40
38 41 signals:
39 42 void changed(int index);
@@ -42,9 +45,9 public Q_SLOTS:
42 45
43 46 private:
44 47
45 BarChartModel& mModel;
46 BarGroupBase* mBarGroup;
48 BarChartModel* mModel;
47 49
50 QList<QString> mLabels;
48 51 };
49 52
50 53 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -32,9 +32,8 void BarGroup::layoutChanged()
32 32
33 33 qreal tW = mWidth;
34 34 qreal tH = mHeight;
35 qreal tM = mMax;
35 qreal tM = mModel.max();
36 36 qreal scale = (tH/tM);
37
38 37 qreal tC = itemCount+1;
39 38 qreal xStepPerSeries = (tW/tC);
40 39
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@@ -12,10 +12,11 BarGroupBase::BarGroupBase(BarChartSeriesBase& series, QGraphicsItem *parent)
12 12 ,mBarDefaultWidth(20) // TODO: remove hard coding, when we have layout code ready
13 13 ,mLayoutSet(false)
14 14 ,mLayoutDirty(true)
15 ,mTheme(0)
16 15 ,mSeparatorsVisible(true)
17 16 ,mModel(series.model())
17 ,mSeries(series)
18 18 {
19 dataChanged();
19 20 }
20 21
21 22 void BarGroupBase::setSeparatorsVisible(bool visible)
@@ -82,8 +83,8 void BarGroupBase::dataChanged()
82 83 int count = mModel.countColumns(); // mSeries.countColumns();
83 84 for (int i=0; i<count; i++) {
84 85 BarLabel* label = new BarLabel(this);
85 QString text("Label " + QString::number(i));
86 label->set(text);
86 // QString text("Label " + QString::number(i));
87 label->set(mSeries.label(i));
87 88 childItems().append(label);
88 89 }
89 90
@@ -102,14 +103,17 void BarGroupBase::dataChanged()
102 103
103 104 void BarGroupBase::handleModelChanged(int index)
104 105 {
105 // qDebug() << "BarGroupBase::handleModelChanged" << index;
106 qDebug() << "BarGroupBase::handleModelChanged" << index;
106 107 dataChanged();
107 108 }
108 109
109 110 void BarGroupBase::handleDomainChanged(const Domain& domain)
110 111 {
111 112 // qDebug() << "BarGroupBase::handleDomainChanged";
112 dataChanged();
113
114 // TODO: Figure out the use case for this.
115 // Affects the size of visible item, so layout is changed.
116 // layoutChanged();
113 117 }
114 118
115 119 void BarGroupBase::handleGeometryChanged(const QRectF& rect)
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@@ -1,10 +1,7
1 1 #ifndef BARGROUPBASE_H
2 2 #define BARGROUPBASE_H
3 3
4 #include "charttheme_p.h"
5 4 #include "chartitem_p.h"
6 //#include "barlabel_p.h"
7 //#include "bar_p.h"
8 5 #include "barchartseriesbase.h"
9 6 #include "barchartmodel_p.h"
10 7 #include <QGraphicsItem>
@@ -20,21 +17,18 public:
20 17 void setSeparatorsVisible(bool visible = true);
21 18
22 19 public: // From ChartItem
23 void setSize(const QSizeF &size){};
24 void setPlotDomain(const PlotDomain& data){};
20 // void setSize(const QSizeF &size){};
25 21
26 22 // From QGraphicsItem
27 23 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
28 24 QRectF boundingRect() const;
29 25
30 // From ChartThemeObserver
31 // void themeChanged(ChartTheme *theme);
32
33 26 // TODO: these may change with layout awarness.
34 27 void setBarWidth( int w );
35 28 int addColor( QColor color );
36 29 void resetColors();
37 30
31 // TODO: Consider the domain for layoutChanged. May be use case, may not be. If it is, then the derived classes need to implement it
38 32 virtual void dataChanged(); // data of series has changed -> need to recalculate bar sizes
39 33 virtual void layoutChanged() = 0; // layout has changed -> need to recalculate bar sizes
40 34
@@ -43,12 +37,11 protected slots:
43 37 void handleDomainChanged(const Domain& domain);
44 38 void handleGeometryChanged(const QRectF& size);
45 39
46
47 40 protected:
48 41
49 42 // TODO: consider these.
50 int mMin; // Min and max values of data. (updated when data is changed, used when drawing)
51 int mMax;
43 //int mMin; // Min and max values of data. (updated when data is changed, used when drawing)
44 //int mMax;
52 45
53 46 int mHeight; // Layout spesific
54 47 int mWidth;
@@ -58,11 +51,9 protected:
58 51 bool mLayoutDirty;
59 52
60 53 QList<QColor> mColors; // List of colors for series for now
61
62 ChartTheme* mTheme;
63 54 bool mSeparatorsVisible;
64
65 55 BarChartModel& mModel;
56 BarChartSeriesBase& mSeries;
66 57
67 58 };
68 59
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@@ -51,9 +51,6 void StackedBarGroup::layoutChanged()
51 51 qreal barHeight = mModel.valueAt(row, column) * scale;
52 52 Bar* bar = reinterpret_cast<Bar*> (childItems().at(itemIndex));
53 53
54 // TODO: width settable per bar?
55 // TODO: theme stuff
56 // mTheme->themeForSeries();
57 54 bar->resize(mBarDefaultWidth, barHeight);
58 55 bar->setColor(mColors.at(row));
59 56 bar->setPos(xPos, yPos-barHeight);
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@@ -60,8 +60,8 void ChartDataSet::addSeries(QChartSeries* series)
60 60 domain.m_minY = qMin(domain.m_minY,y);
61 61 domain.m_maxX = qMax(domain.m_maxX,x);
62 62 domain.m_maxY = qMax(domain.m_maxY,y);
63 }
64 63 break;
64 }
65 65 case QChartSeries::SeriesTypeStackedBar: {
66 66
67 67 StackedBarChartSeries* stackedBarSeries = static_cast<StackedBarChartSeries*>(series);
@@ -71,8 +71,8 void ChartDataSet::addSeries(QChartSeries* series)
71 71 domain.m_minY = qMin(domain.m_minY,y);
72 72 domain.m_maxX = qMax(domain.m_maxX,x);
73 73 domain.m_maxY = qMax(domain.m_maxY,y);
74 }
75 74 break;
75 }
76 76 case QChartSeries::SeriesTypePercentBar: {
77 77
78 78 PercentBarChartSeries* percentBarSeries = static_cast<PercentBarChartSeries*>(series);
@@ -81,8 +81,8 void ChartDataSet::addSeries(QChartSeries* series)
81 81 domain.m_minY = 0;
82 82 domain.m_maxX = qMax(domain.m_maxX,x);
83 83 domain.m_maxY = 100;
84 }
85 84 break;
85 }
86 86
87 87 case QChartSeries::SeriesTypePie: {
88 88 QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
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@@ -128,6 +128,7 void ChartTheme::decorate(LineChartItem* item, QLineChartSeries* series,int coun
128 128
129 129 void ChartTheme::decorate(BarGroup* item, BarChartSeries* series,int count)
130 130 {
131 item->resetColors();
131 132 for (int i=0; i< m_seriesColor.count(); i++) {
132 133 item->addColor(m_seriesColor.at(i));
133 134 }
@@ -140,6 +141,7 void ChartTheme::decorate(BarGroup* item, BarChartSeries* series,int count)
140 141
141 142 void ChartTheme::decorate(StackedBarGroup* item, StackedBarChartSeries* series,int count)
142 143 {
144 item->resetColors();
143 145 for (int i=0; i< m_seriesColor.count(); i++) {
144 146 item->addColor(m_seriesColor.at(i));
145 147 }
@@ -152,6 +154,7 void ChartTheme::decorate(StackedBarGroup* item, StackedBarChartSeries* series,i
152 154
153 155 void ChartTheme::decorate(PercentBarGroup* item, PercentBarChartSeries* series,int count)
154 156 {
157 item->resetColors();
155 158 for (int i=0; i< m_seriesColor.count(); i++) {
156 159 item->addColor(m_seriesColor.at(i));
157 160 }
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@@ -251,6 +251,9 void MainWidget::addSeries(QString series, QString data)
251 251 series0->addData(data2);
252 252 series0->addData(data3);
253 253 series0->addData(data4);
254 QList<QString> labels;
255 labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
256 series0->setLabels(labels);
254 257 m_chartWidget->addSeries(series0);
255 258 newSeries = series0;
256 259 } else if (series == "StackedBar") {
@@ -261,6 +264,9 void MainWidget::addSeries(QString series, QString data)
261 264 series0->addData(data2);
262 265 series0->addData(data3);
263 266 series0->addData(data4);
267 QList<QString> labels;
268 labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
269 series0->setLabels(labels);
264 270 m_chartWidget->addSeries(series0);
265 271 newSeries = series0;
266 272 } else if (series == "PercentBar") {
@@ -271,6 +277,9 void MainWidget::addSeries(QString series, QString data)
271 277 series0->addData(data2);
272 278 series0->addData(data3);
273 279 series0->addData(data4);
280 QList<QString> labels;
281 labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
282 series0->setLabels(labels);
274 283 m_chartWidget->addSeries(series0);
275 284 newSeries = series0;
276 285 } else {
@@ -384,6 +393,10 void MainWidget::changeChartTheme(int themeIndex)
384 393 {
385 394 qDebug() << "changeChartTheme: " << themeIndex;
386 395 m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
396 //TODO: remove this hack. This is just to make it so that theme change is seen immediately.
397 QSize s = size();
398 s.setWidth(s.width()+1);
399 resize(s);
387 400 }
388 401
389 402 void MainWidget::setPieSizeFactor(double size)
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