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29
30#include <private/percentbarchartitem_p.h>
31#include <private/bar_p.h>
32#include <private/qabstractbarseries_p.h>
33#include <QtCharts/QBarSet>
34#include <private/qbarset_p.h>
35
36QT_CHARTS_BEGIN_NAMESPACE
37
38PercentBarChartItem::PercentBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) :
39 AbstractBarChartItem(series, item)
40{
41 m_orientation = Qt::Vertical;
42 connect(sender: series, SIGNAL(labelsPositionChanged(QAbstractBarSeries::LabelsPosition)),
43 receiver: this, SLOT(handleLabelsPositionChanged()));
44 connect(sender: series, SIGNAL(labelsFormatChanged(QString)), receiver: this, SLOT(positionLabels()));
45}
46
47QString PercentBarChartItem::generateLabelText(int set, int category, qreal value)
48{
49 Q_UNUSED(value)
50
51 static const QString valueTag(QLatin1String("@value"));
52 qreal p = m_series->d_func()->percentageAt(set, category) * 100.0;
53 QString vString(presenter()->numberToString(value: p, f: 'f', prec: 0));
54 QString valueLabel;
55 if (m_series->labelsFormat().isEmpty()) {
56 vString.append(QStringLiteral("%"));
57 valueLabel = vString;
58 } else {
59 valueLabel = m_series->labelsFormat();
60 valueLabel.replace(before: valueTag, after: vString);
61 }
62
63 return valueLabel;
64}
65
66void PercentBarChartItem::initializeLayout(int set, int category,
67 int layoutIndex, bool resetAnimation)
68{
69 Q_UNUSED(set)
70 Q_UNUSED(resetAnimation)
71
72 QRectF rect;
73
74 if (set > 0) {
75 QBarSet *barSet = m_series->barSets().at(i: set - 1);
76 Bar *bar = m_indexForBarMap.value(akey: barSet).value(akey: category);
77 rect = m_layout.at(i: bar->layoutIndex());
78 rect.setBottom(rect.top());
79 } else {
80 QPointF topLeft;
81 QPointF bottomRight;
82 const qreal barWidth = m_series->d_func()->barWidth() * m_seriesWidth;
83 if (domain()->type() == AbstractDomain::XLogYDomain
84 || domain()->type() == AbstractDomain::LogXLogYDomain) {
85 topLeft = topLeftPoint(category, barWidth, value: domain()->minY());
86 bottomRight = bottomRightPoint(category, barWidth, value: domain()->minY());
87 } else {
88 topLeft = topLeftPoint(category, barWidth, value: 0.0);
89 bottomRight = bottomRightPoint(category, barWidth, value: 0.0);
90 }
91 if (m_validData) {
92 rect.setTopLeft(topLeft);
93 rect.setBottomRight(bottomRight);
94 }
95 }
96
97 m_layout[layoutIndex] = rect.normalized();
98}
99
100void PercentBarChartItem::markLabelsDirty(QBarSet *barset, int index, int count)
101{
102 Q_UNUSED(barset)
103 // Percent series need to dirty all labels of the stack
104 QList<QBarSet *> sets = m_barMap.keys();
105 for (int set = 0; set < sets.size(); set++)
106 AbstractBarChartItem::markLabelsDirty(barset: sets.at(i: set), index, count);
107}
108
109QPointF PercentBarChartItem::topLeftPoint(int category, qreal barWidth, qreal value)
110{
111 return domain()->calculateGeometryPoint(
112 point: QPointF(m_seriesPosAdjustment + category - (barWidth / 2.0), value), ok&: m_validData);
113}
114
115QPointF PercentBarChartItem::bottomRightPoint(int category, qreal barWidth, qreal value)
116{
117 return domain()->calculateGeometryPoint(
118 point: QPointF(m_seriesPosAdjustment + category + (barWidth / 2.0), value), ok&: m_validData);
119}
120
121QVector<QRectF> PercentBarChartItem::calculateLayout()
122{
123 QVector<QRectF> layout;
124 layout.resize(asize: m_layout.size());
125
126 const int setCount = m_series->count();
127 const qreal barWidth = m_series->d_func()->barWidth() * m_seriesWidth;
128
129 QVector<qreal> categorySums(m_categoryCount);
130 QVector<qreal> tempSums(m_categoryCount, 0.0);
131
132 for (int category = 0; category < m_categoryCount; category++)
133 categorySums[category] = m_series->d_func()->categorySum(category: category + m_firstCategory);
134
135 for (int set = 0; set < setCount; set++) {
136 QBarSet *barSet = m_series->barSets().at(i: set);
137 const QList<Bar *> bars = m_barMap.value(akey: barSet);
138 for (int i = 0; i < m_categoryCount; i++) {
139 Bar *bar = bars.at(i);
140 const int category = bar->index();
141 qreal &sum = tempSums[category - m_firstCategory];
142 const qreal &categorySum = categorySums.at(i: category - m_firstCategory);
143 qreal value = barSet->at(index: category);
144 QRectF rect;
145 qreal topY = 0.0;
146 qreal newSum = value + sum;
147 qreal bottomY = 0.0;
148 if (categorySum != 0.0) {
149 if (newSum > 0.0)
150 topY = 100.0 * newSum / categorySum;
151 if (sum > 0.0)
152 bottomY = 100.0 * sum / categorySum;
153 }
154 QPointF topLeft = topLeftPoint(category, barWidth, value: topY);
155 QPointF bottomRight;
156 if (domain()->type() == AbstractDomain::XLogYDomain
157 || domain()->type() == AbstractDomain::LogXLogYDomain) {
158 bottomRight = bottomRightPoint(category, barWidth,
159 value: set ? bottomY : domain()->minY());
160 } else {
161 bottomRight = bottomRightPoint(category, barWidth, value: bottomY);
162 }
163
164 rect.setTopLeft(topLeft);
165 rect.setBottomRight(bottomRight);
166 layout[bar->layoutIndex()] = rect.normalized();
167 sum = newSum;
168 }
169 }
170 return layout;
171}
172
173void PercentBarChartItem::handleLabelsPositionChanged()
174{
175 positionLabels();
176}
177
178void PercentBarChartItem::positionLabels()
179{
180 positionLabelsVertical();
181}
182
183QT_CHARTS_END_NAMESPACE
184
185#include "moc_percentbarchartitem_p.cpp"
186

source code of qtcharts/src/charts/barchart/vertical/percent/percentbarchartitem.cpp