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