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Set margins to 30 on QML impl
Tero Ahola -
r200:0c7a3adc2f0e
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@@ -1,27 +1,39
1 1 #include "declarativechart.h"
2 2
3 3 QTCOMMERCIALCHART_BEGIN_NAMESPACE
4 4
5 5 DeclarativeChart::DeclarativeChart(QDeclarativeItem *parent)
6 6 : QDeclarativeItem(parent),
7 7 m_chart(new QChart(this))
8 8 {
9 9 setFlag(QGraphicsItem::ItemHasNoContents, false);
10 // m_chart->setMargin(50); // TODO: should not be needed?
11 10 }
12 11
13 12 DeclarativeChart::ChartTheme DeclarativeChart::theme()
14 13 {
15 14 if (m_chart)
16 15 return (ChartTheme) m_chart->chartTheme();
17 16 }
18 17
19 18 void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
20 19 {
21 if (newGeometry.isValid())
22 m_chart->resize(newGeometry.width(), newGeometry.height());
20 qDebug() << "geometryChanged " << this << " old geometry: " << oldGeometry;
21 if (newGeometry.isValid()) {
22 if (newGeometry.width() > 0 && newGeometry.height() > 0) {
23 // TODO: setting margin should not be needed to make axis visible?
24 const int margin = 30;
25 if (m_chart->margin() == 0
26 && newGeometry.width() > (margin * 2)
27 && newGeometry.height() > (margin * 2)) {
28 m_chart->setMargin(margin);
29 m_chart->resize(newGeometry.width(), newGeometry.height());
30 } else {
31 m_chart->resize(newGeometry.width(), newGeometry.height());
32 }
33 }
34 }
23 35 }
24 36
25 37 #include "moc_declarativechart.cpp"
26 38
27 39 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,100 +1,91
1 1 #include "declarativeseries.h"
2 2 #include "declarativechart.h"
3 3 #include <qscatterseries.h>
4 4 #include <qlinechartseries.h>
5 5 #include <cmath>
6 6 #include <QDebug>
7 7
8 8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 9
10 10 DeclarativeSeries::DeclarativeSeries(QDeclarativeItem *parent) :
11 11 QDeclarativeItem(parent),
12 12 m_seriesType(SeriesTypeInvalid), // TODO: default type?
13 13 m_chart(0),
14 14 m_series(0)
15 15 {
16 16 setFlag(QGraphicsItem::ItemHasNoContents, false);
17 17 connect(this, SIGNAL(parentChanged()),
18 18 this, SLOT(setParentForSeries()));
19 19 }
20 20
21 21 void DeclarativeSeries::setSeriesType(SeriesType type)
22 22 {
23 23 if (!m_series || type != m_seriesType) {
24 24 m_seriesType = type;
25 25 initSeries();
26 26 } else {
27 27 m_seriesType = type;
28 28 }
29 29 }
30 30
31 31 void DeclarativeSeries::setParentForSeries()
32 32 {
33 33 if (!m_series)
34 34 initSeries();
35 35 else if (m_series->type() != m_seriesType)
36 36 initSeries();
37 37 }
38 38
39 39 void DeclarativeSeries::initSeries()
40 40 {
41 41 DeclarativeChart *declarativeChart = qobject_cast<DeclarativeChart *>(parent());
42 42
43 43 if (declarativeChart && m_seriesType != SeriesTypeInvalid) {
44 44 delete m_series;
45 45 m_series = 0;
46 46
47 47 QChart *chart = qobject_cast<QChart *>(declarativeChart->m_chart);
48 48 qDebug() << "creating series for chart: " << chart;
49 49 Q_ASSERT(chart);
50 50
51 51 switch (m_seriesType) {
52 52 case SeriesTypeLine: {
53 53 m_series = new QLineChartSeries(this);
54 54 for (qreal i(0.0); i < 100.0; i += 1.0)
55 55 ((QLineChartSeries *)m_series)->add(i, i);
56 56 chart->addSeries(m_series);
57 57 break;
58 58 }
59 59 case SeriesTypeBar:
60 60 // fallthrough; bar and scatter use the same test data
61 61 case SeriesTypeScatter: {
62 62 m_series = chart->createSeries((QChartSeries::QChartSeriesType) m_seriesType);
63 63 QScatterSeries *scatter = qobject_cast<QScatterSeries *>(m_series);
64 64 Q_ASSERT(scatter);
65 65 for (qreal i = 0; i < 100; i += 0.1)
66 66 scatter->addData(QPointF(i + (rand() % 5),
67 67 abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5)));
68 68 break;
69 69 }
70 70 case SeriesTypeStackedBar:
71 71 break;
72 72 case SeriesTypePercentBar:
73 73 break;
74 74 case SeriesTypePie: {
75 75 m_series = chart->createSeries((QChartSeries::QChartSeriesType) m_seriesType);
76 76 QList<qreal> data;
77 77 data << 1.0;
78 78 data << 12.0;
79 79 data << 4.0;
80 80 Q_ASSERT(m_series->setData(data));
81 81 break;
82 82 }
83 83 default:
84 84 break;
85 85 }
86 86 }
87 87 }
88 88
89 QVariant DeclarativeSeries::itemChange(GraphicsItemChange change,
90 const QVariant &value)
91 {
92 // For debugging purposes only:
93 // qDebug() << QString::number(change) << " : " << value.toString();
94 return QGraphicsItem::itemChange(change, value);
95 }
96
97
98 89 #include "moc_declarativeseries.cpp"
99 90
100 91 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,53 +1,50
1 1 #ifndef DECLARATIVESERIES_H
2 2 #define DECLARATIVESERIES_H
3 3
4 4 #include <QDeclarativeItem>
5 5 #include <qchart.h>
6 6 #include <qchartseries.h>
7 7
8 8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 9
10 10 class DeclarativeSeries : public QDeclarativeItem
11 11 {
12 12 Q_OBJECT
13 13 Q_ENUMS(SeriesType)
14 14 Q_PROPERTY(SeriesType seriesType READ seriesType WRITE setSeriesType)
15 15
16 16 public:
17 17 // TODO: how to re-use the existing enum from QChart?
18 18 enum SeriesType {
19 19 SeriesTypeInvalid = QChartSeries::SeriesTypeInvalid,
20 20 SeriesTypeLine,
21 21 // SeriesTypeArea,
22 22 SeriesTypeBar,
23 23 SeriesTypeStackedBar,
24 24 SeriesTypePercentBar,
25 25 SeriesTypePie,
26 26 SeriesTypeScatter
27 27 // SeriesTypeSpline
28 28 };
29 29
30 30 explicit DeclarativeSeries(QDeclarativeItem *parent = 0);
31 31
32 32 signals:
33 33
34 34 public slots:
35 35 void setParentForSeries();
36 36
37 public: // from QDeclarativeItem
38 QVariant itemChange(GraphicsItemChange, const QVariant &);
39
40 37 public:
41 38 void setSeriesType(SeriesType type);
42 39 SeriesType seriesType() { return m_seriesType; }
43 40
44 41 private:
45 42 void initSeries();
46 43 SeriesType m_seriesType;
47 44 QChart *m_chart;
48 45 QChartSeries *m_series;
49 46 };
50 47
51 48 QTCOMMERCIALCHART_END_NAMESPACE
52 49
53 50 #endif // DECLARATIVESERIES_H
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@@ -1,77 +1,96
1 1 import QtQuick 1.0
2 2 import QtCommercial.Chart 1.0
3 3
4 4 Rectangle {
5 5 width: 360
6 6 height: 360
7 7
8 8 // Another option for QML data api:
9 9 // ListModel {
10 10 // id: listModelForPie
11 11 // // PieDataElement
12 12 // ListElement {
13 13 // label: "Apple"
14 14 // value: 4.3
15 15 // }
16 16 // ListElement {
17 17 // label: "Blackberry"
18 18 // value: 15.1
19 19 // }
20 20 // }
21 21
22 22 Component.onCompleted: {
23 23 // console.log("Component.onCompleted: " + scatterElement.x);
24 24 // console.log("Component.onCompleted: " + scatterElement.y);
25 25 // console.log("Component.onCompleted: " + scatterElement.dataX);
26 26 // console.log("Component.onCompleted: " + scatterElement.dataY);
27 27 //console.log("Component.onCompleted: " + chartModel.get(0).x);
28 28 //console.log("Component.onCompleted: " + chartModel.scatterElements);
29 29 // console.log("Component.onCompleted: " + elementt.dataX);
30 30 // console.log("Component.onCompleted: " + chartModel.get(0).dataX);
31 31 }
32 32
33 // TODO: a bug: drawing order affects the drawing; if you draw chart1 first (by changing the
34 // z-order), then chart2 is not shown at all. By drawing chart2 first, both are visible.
35 Chart {
36 id: chart2
37 anchors.top: chart1.bottom
38 anchors.bottom: parent.bottom
39 anchors.left: parent.left
40 anchors.right: parent.right
41 theme: Chart.ThemeScientific
42
43 ScatterSeries {
44 id: scatterSeries
45 data: [
46 ScatterElement { x: 1.1; y: 2.1 },
47 ScatterElement { x: 1.2; y: 2.0 },
48 ScatterElement { x: 1.4; y: 2.3 },
49 ScatterElement { x: 3.1; y: 5.3 },
50 ScatterElement { x: 4.1; y: 3.7 }
51 ]
52 }
53 }
54
55 33 Chart {
56 34 id: chart1
57 35 anchors.top: parent.top
58 36 anchors.left: parent.left
59 37 anchors.right: parent.right
60 38 height: parent.height / 2
61 39 theme: Chart.ThemeIcy
62 opacity: 0.3
40 // opacity: 0.3
63 41
64 42 Series {
65 43 seriesType: Series.SeriesTypePie
66 44 }
67 45
68 Series {
69 seriesType: Series.SeriesTypeLine
70 }
46 // TODO: a bug: drawing order affects the drawing; if you draw chart1 first (by changing the
47 // z-order), then chart2 is not shown at all. By drawing chart2 first, both are visible.
48 // Also, if you don't draw line series on chart1 (only pie), both charts are visible.
49 // Series {
50 // seriesType: Series.SeriesTypeLine
51 // }
71 52 // TODO:
72 53 // Series {
73 54 // seriesType: Series.SeriesTypeBar
74 55 // }
75 56 }
76 57
58
59 Chart {
60 id: chart2
61 anchors.top: chart1.bottom
62 anchors.bottom: parent.bottom
63 anchors.left: parent.left
64 anchors.right: parent.right
65 theme: Chart.ThemeScientific
66
67 ScatterSeries {
68 data: [
69 ScatterElement { x: 1.1; y: 2.1 },
70 ScatterElement { x: 1.2; y: 2.0 },
71 ScatterElement { x: 1.4; y: 2.3 }
72 ]
73 }
74 ScatterSeries {
75 data: [
76 ScatterElement { x: 1.2; y: 2.2 },
77 ScatterElement { x: 1.3; y: 2.2 },
78 ScatterElement { x: 1.7; y: 2.6 }
79 ]
80 }
81 ScatterSeries {
82 data: [
83 ScatterElement { x: 1.3; y: 2.3 },
84 ScatterElement { x: 1.5; y: 2.4 },
85 ScatterElement { x: 2.0; y: 2.9 }
86 ]
87 }
88 ScatterSeries {
89 data: [
90 ScatterElement { x: 1.4; y: 2.4 },
91 ScatterElement { x: 1.8; y: 2.7 },
92 ScatterElement { x: 2.5; y: 3.2 }
93 ]
94 }
95 }
77 96 }
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