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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 17 public:
18 18 DrilldownBarSeries(QStringList categories, QObject* parent=0) : QStackedBarSeries(categories,parent) {}
19 19
20 /*
20
21 21 public Q_SLOTS:
22 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 29 //! [1]
28 30
@@ -31,9 +33,12 class DrilldownBarSet : public QBarSet
31 33 {
32 34 Q_OBJECT
33 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 43 private:
39 44 DrilldownBarSeries* mSeries;
@@ -61,8 +66,8 public Q_SLOTS:
61 66 {
62 67 qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
63 68 // TODO: continue from here
64 // DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
65 // changeSeries(drilldownBarSet->drilldownSeries());
69 DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
70 changeSeries(drilldownBarSet->drilldownSeries(category));
66 71 }
67 72
68 73 private:
@@ -70,7 +75,6 private:
70 75 };
71 76 //! [3]
72 77
73
74 78 int main(int argc, char *argv[])
75 79 {
76 80 QApplication a(argc, argv);
@@ -79,41 +83,68 int main(int argc, char *argv[])
79 83 DrilldownChart* drilldownChart = new DrilldownChart(&window);
80 84 drilldownChart->setChartTheme(QChart::ChartThemeIcy);
81 85
82 //! [1]
86 //! [4]
83 87 // Define categories
84 88 QStringList months;
85 months << "Jun" << "Jul" << "Aug" << "Oct";
89 months << "Jun" << "Jul" << "Aug" << "Sep";
86 90 QStringList weeks;
87 91 weeks << "week 1" << "week 2" << "week 3" << "week 4";
88 92 QStringList plants;
89 93 plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
90 //! [1]
94 //! [4]
91 95
92 DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);
93 seasonSeries->setTitle("Crop by month - Season");
96 DrilldownBarSeries* monthlySeries = new DrilldownBarSeries(months, drilldownChart);
97 monthlySeries->setTitle("Crop by month - Season");
94 98
95 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
97 104 foreach(QString month, months) {
98 DrilldownBarSeries* monthSeries = new DrilldownBarSeries(weeks, drilldownChart);
99 DrilldownBarSet *monthCrop = new DrilldownBarSet(plant, monthSeries);
105 DrilldownBarSet* weeklyCrop = new DrilldownBarSet(plant,monthlySeries);
106
100 107 foreach(QString week, weeks) {
101 *monthCrop << (qrand() % 20);
102 }
103 monthSeries->addBarSet(monthCrop);
104 *seasonCrop << monthCrop->valueAt(plants.indexOf(plant));
108 *weeklyCrop << (qrand() % 20);
105 109 }
106 110
107 // We want floating values!
108 QObject::connect(seasonCrop,SIGNAL(clicked(QString)),seasonCrop,SIGNAL(toggleFloatingValues()));
109 seasonSeries->addBarSet(seasonCrop);
111 weeklySeries->addBarSet(weeklyCrop);
112 weeklySeries->setToolTipEnabled(true);
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
118 149 drilldownChart->axisX()->setAxisVisible(false);
119 150 drilldownChart->axisX()->setGridVisible(false);
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@@ -26,7 +26,6 BarPresenterBase::BarPresenterBase(QBarSeries *series, QGraphicsItem *parent)
26 26 BarPresenterBase::~BarPresenterBase()
27 27 {
28 28 disconnect(this,SLOT(showToolTip(QPoint,QString)));
29 delete mSeries;
30 29 }
31 30
32 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 21 Q_OBJECT
22 22 public:
23 23 BarPresenterBase(QBarSeries *series, QGraphicsItem *parent = 0);
24 ~BarPresenterBase();
24 virtual ~BarPresenterBase();
25 25
26 26 public:
27 27 // From QGraphicsItem
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@@ -109,6 +109,16 void QBarSet::setValue(int index, qreal value)
109 109 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 /*!
113 123 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 21 int count(); // count of values in set
22 22 qreal valueAt(int index); // for modifying individual values
23 23 void setValue(int index, qreal value); // setter for individual value
24 qreal total(); // total values in the set
24 25
25 26 // TODO:
26 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 22 void StackedBarPresenter::layoutChanged()
17 23 {
18 24 // Scale bars to new layout
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@@ -12,6 +12,7 class StackedBarPresenter : public BarPresenterBase
12 12 Q_OBJECT
13 13 public:
14 14 StackedBarPresenter(QBarSeries *series, QGraphicsItem *parent = 0);
15 ~StackedBarPresenter();
15 16
16 17 private:
17 18 // From BarPresenterBase
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