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

updating drilldown example. Needs some more thinking
sauimone -
r438:c46e1ae6bddd
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@@ -17,12 +17,14 class DrilldownBarSeries : public QStackedBarSeries
17 public:
17 public:
18 DrilldownBarSeries(QStringList categories, QObject* parent=0) : QStackedBarSeries(categories,parent) {}
18 DrilldownBarSeries(QStringList categories, QObject* parent = 0) : QStackedBarSeries(categories,parent) {}
19
19
20 /*
20
21 public Q_SLOTS:
21 public Q_SLOTS:
22 void handleRightClick(QBarSet *barset, QString category)
22 void handleRightClick(QBarSet *barset, QString category)
23 {
23 {
24 qDebug() << "DrilldownBarSeries::handleRightClick" << barset->name() << category;
25 // mChart->changeSeries(this);
24 }
26 }
25 */
27
26 };
28 };
27 //! [1]
29 //! [1]
28
30
@@ -31,9 +33,12 class DrilldownBarSet : public QBarSet
31 {
33 {
32 Q_OBJECT
34 Q_OBJECT
33 public:
35 public:
34 DrilldownBarSet(QString name, DrilldownBarSeries *parent) : QBarSet(name, parent), mSeries(parent) {}
36 DrilldownBarSet(QString name, DrilldownBarSeries* drilldownSeries) : QBarSet(name) , mSeries(drilldownSeries) {}
35
37
36 DrilldownBarSeries* drilldownSeries() { return mSeries; }
38 DrilldownBarSeries* drilldownSeries(QString category)
39 {
40 return mSeries;
41 }
37
42
38 private:
43 private:
39 DrilldownBarSeries* mSeries;
44 DrilldownBarSeries* mSeries;
@@ -61,8 +66,8 public Q_SLOTS:
61 {
66 {
62 qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
67 qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
63 // TODO: continue from here
68 // TODO: continue from here
64 // DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
69 DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
65 // changeSeries(drilldownBarSet->drilldownSeries());
70 changeSeries(drilldownBarSet->drilldownSeries(category));
66 }
71 }
67
72
68 private:
73 private:
@@ -70,7 +75,6 private:
70 };
75 };
71 //! [3]
76 //! [3]
72
77
73
74 int main(int argc, char *argv[])
78 int main(int argc, char *argv[])
75 {
79 {
76 QApplication a(argc, argv);
80 QApplication a(argc, argv);
@@ -79,41 +83,68 int main(int argc, char *argv[])
79 DrilldownChart* drilldownChart = new DrilldownChart(&window);
83 DrilldownChart* drilldownChart = new DrilldownChart(&window);
80 drilldownChart->setChartTheme(QChart::ChartThemeIcy);
84 drilldownChart->setChartTheme(QChart::ChartThemeIcy);
81
85
82 //! [1]
86 //! [4]
83 // Define categories
87 // Define categories
84 QStringList months;
88 QStringList months;
85 months << "Jun" << "Jul" << "Aug" << "Oct";
89 months << "Jun" << "Jul" << "Aug" << "Sep";
86 QStringList weeks;
90 QStringList weeks;
87 weeks << "week 1" << "week 2" << "week 3" << "week 4";
91 weeks << "week 1" << "week 2" << "week 3" << "week 4";
88 QStringList plants;
92 QStringList plants;
89 plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
93 plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
90 //! [1]
94 //! [4]
91
95
92 DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);
96 DrilldownBarSeries* monthlySeries = new DrilldownBarSeries(months, drilldownChart);
93 seasonSeries->setTitle("Crop by month - Season");
97 monthlySeries->setTitle("Crop by month - Season");
94
98
95 foreach (QString plant, plants) {
99 foreach (QString plant, plants) {
96 DrilldownBarSet *seasonCrop = new DrilldownBarSet(plant, seasonSeries);
100 DrilldownBarSeries* weeklySeries = new DrilldownBarSeries(weeks, drilldownChart);
101 DrilldownBarSet* monthlyCrop = new DrilldownBarSet(plant,weeklySeries);
102 weeklySeries->setTitle("Crop by week - Month");
103
97 foreach(QString month, months) {
104 foreach(QString month, months) {
98 DrilldownBarSeries* monthSeries = new DrilldownBarSeries(weeks, drilldownChart);
105 DrilldownBarSet* weeklyCrop = new DrilldownBarSet(plant,monthlySeries);
99 DrilldownBarSet *monthCrop = new DrilldownBarSet(plant, monthSeries);
106
100 foreach(QString week, weeks) {
107 foreach (QString week, weeks ) {
101 *monthCrop << (qrand() % 20);
108 *weeklyCrop << (qrand() % 20);
102 }
103 monthSeries->addBarSet(monthCrop);
104 *seasonCrop << monthCrop->valueAt(plants.indexOf(plant));
105 }
109 }
106
110
107 // We want floating values!
111 weeklySeries->addBarSet(weeklyCrop);
108 QObject::connect(seasonCrop,SIGNAL(clicked(QString)),seasonCrop,SIGNAL(toggleFloatingValues()));
112 weeklySeries->setToolTipEnabled(true);
109 seasonSeries->addBarSet(seasonCrop);
113 *monthlyCrop << weeklyCrop->total();
114
115 QObject::connect(weeklyCrop,SIGNAL(clicked(QString)),weeklyCrop,SIGNAL(toggleFloatingValues()));
116 QObject::connect(weeklySeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));
110 }
117 }
111
118
112 QObject::connect(seasonSeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));
119 QObject::connect(monthlyCrop,SIGNAL(clicked(QString)),monthlyCrop,SIGNAL(toggleFloatingValues()));
120 monthlySeries->addBarSet(monthlyCrop);
121 }
113
122
114 seasonSeries->setToolTipEnabled(true);
123 /*
124 foreach (QString plant, plants) {
125 DrilldownBarSeries* weeklySeries = new DrilldownBarSeries(weeks, drilldownChart);
126 DrilldownBarSet* monthlyCrop = new DrilldownBarSet(plant,weeklySeries);
127 weeklySeries->setTitle("Crop by week - Month");
128 foreach(QString month, months) {
129 DrilldownBarSet* weeklyCrop = new DrilldownBarSet(plant,monthlySeries);
130 foreach (QString week, weeks ) {
131 *weeklyCrop << (qrand() % 20);
132 }
133 weeklySeries->addBarSet(weeklyCrop);
134 weeklySeries->setToolTipEnabled(true);
135 *monthlyCrop << weeklyCrop->total();
136 QObject::connect(weeklyCrop,SIGNAL(clicked(QString)),weeklyCrop,SIGNAL(toggleFloatingValues()));
137 QObject::connect(weeklySeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));
138 }
139 QObject::connect(monthlyCrop,SIGNAL(clicked(QString)),monthlyCrop,SIGNAL(toggleFloatingValues()));
140 monthlySeries->addBarSet(monthlyCrop);
141 }
142 */
143 QObject::connect(monthlySeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));
115
144
116 drilldownChart->addSeries(seasonSeries);
145 monthlySeries->setToolTipEnabled(true);
146 drilldownChart->changeSeries(monthlySeries);
147 drilldownChart->setChartTitle(monthlySeries->title());
117
148
118 drilldownChart->axisX()->setAxisVisible(false);
149 drilldownChart->axisX()->setAxisVisible(false);
119 drilldownChart->axisX()->setGridVisible(false);
150 drilldownChart->axisX()->setGridVisible(false);
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@@ -26,7 +26,6 BarPresenterBase::BarPresenterBase(QBarSeries *series, QGraphicsItem *parent)
26 BarPresenterBase::~BarPresenterBase()
26 BarPresenterBase::~BarPresenterBase()
27 {
27 {
28 disconnect(this,SLOT(showToolTip(QPoint,QString)));
28 disconnect(this,SLOT(showToolTip(QPoint,QString)));
29 delete mSeries;
30 }
29 }
31
30
32 void BarPresenterBase::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
31 void BarPresenterBase::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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@@ -21,7 +21,7 class BarPresenterBase : public QObject, public ChartItem
21 Q_OBJECT
21 Q_OBJECT
22 public:
22 public:
23 BarPresenterBase(QBarSeries *series, QGraphicsItem *parent = 0);
23 BarPresenterBase(QBarSeries *series, QGraphicsItem *parent = 0);
24 ~BarPresenterBase();
24 virtual ~BarPresenterBase();
25
25
26 public:
26 public:
27 // From QGraphicsItem
27 // From QGraphicsItem
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@@ -109,6 +109,16 void QBarSet::setValue(int index, qreal value)
109 mValues.replace(index,value);
109 mValues.replace(index,value);
110 }
110 }
111
111
112 qreal QBarSet::total()
113 {
114 qreal total(0);
115 for (int i=0; i<mValues.count(); i++) {
116 total += mValues.at(i);
117 }
118 return total;
119 }
120
121
112 /*!
122 /*!
113 Sets pen for set. Bars of this set are drawn using \a pen
123 Sets pen for set. Bars of this set are drawn using \a pen
114 */
124 */
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@@ -21,6 +21,7 public:
21 int count(); // count of values in set
21 int count(); // count of values in set
22 qreal valueAt(int index); // for modifying individual values
22 qreal valueAt(int index); // for modifying individual values
23 void setValue(int index, qreal value); // setter for individual value
23 void setValue(int index, qreal value); // setter for individual value
24 qreal total(); // total values in the set
24
25
25 // TODO:
26 // TODO:
26 //qreal value(QString category);
27 //qreal value(QString category);
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@@ -13,6 +13,12 StackedBarPresenter::StackedBarPresenter(QBarSeries *series, QGraphicsItem *pare
13 {
13 {
14 }
14 }
15
15
16 StackedBarPresenter::~StackedBarPresenter()
17 {
18 qDebug() << "StackedBarPresenter deleted";
19 }
20
21
16 void StackedBarPresenter::layoutChanged()
22 void StackedBarPresenter::layoutChanged()
17 {
23 {
18 // Scale bars to new layout
24 // Scale bars to new layout
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@@ -12,6 +12,7 class StackedBarPresenter : public BarPresenterBase
12 Q_OBJECT
12 Q_OBJECT
13 public:
13 public:
14 StackedBarPresenter(QBarSeries *series, QGraphicsItem *parent = 0);
14 StackedBarPresenter(QBarSeries *series, QGraphicsItem *parent = 0);
15 ~StackedBarPresenter();
15
16
16 private:
17 private:
17 // From BarPresenterBase
18 // From BarPresenterBase
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