@@ -1,222 +1,234 | |||
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1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "barchartitem_p.h" |
|
22 | 22 | #include "bar_p.h" |
|
23 | 23 | #include "barlabel_p.h" |
|
24 | 24 | #include "qbarset.h" |
|
25 | 25 | #include "qbarseries.h" |
|
26 | 26 | #include "qchart.h" |
|
27 | 27 | #include "qchartaxis.h" |
|
28 | 28 | #include "qchartaxiscategories.h" |
|
29 | 29 | #include "chartpresenter_p.h" |
|
30 | 30 | #include "chartanimator_p.h" |
|
31 | 31 | #include "chartdataset_p.h" |
|
32 | #include <QDebug> | |
|
33 | 32 | #include <QToolTip> |
|
33 | #include <QPainter> | |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | BarChartItem::BarChartItem(QBarSeries *series, ChartPresenter *presenter) : |
|
38 | 38 | ChartItem(presenter), |
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39 | 39 | m_layoutSet(false), |
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40 | 40 | m_series(series) |
|
41 | 41 | { |
|
42 | 42 | connect(series, SIGNAL(showToolTip(QPoint,QString)), this, SLOT(showToolTip(QPoint,QString))); |
|
43 | 43 | connect(series, SIGNAL(updatedBars()), this, SLOT(handleLayoutChanged())); |
|
44 | 44 | connect(series, SIGNAL(restructuredBar(int)), this, SLOT(handleModelChanged(int))); |
|
45 | 45 | setZValue(ChartPresenter::BarSeriesZValue); |
|
46 | 46 | dataChanged(); |
|
47 | 47 | } |
|
48 | 48 | |
|
49 | 49 | BarChartItem::~BarChartItem() |
|
50 | 50 | { |
|
51 | 51 | disconnect(this,SLOT(showToolTip(QPoint,QString))); |
|
52 | deleteItems(); | |
|
52 | 53 | } |
|
53 | 54 | |
|
54 | 55 | void BarChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
55 | 56 | { |
|
56 | 57 | if (!m_layoutSet) { |
|
57 | 58 | qWarning() << "BarChartItem::paint called without layout set. Aborting."; |
|
58 | 59 | return; |
|
59 | 60 | } |
|
60 | 61 | |
|
61 | foreach(QGraphicsItem* i, childItems()) | |
|
62 | i->paint(painter,option,widget); | |
|
62 | painter->save(); | |
|
63 | painter->setClipRect(m_clipRect); | |
|
64 | foreach (Bar *bar, m_bars) | |
|
65 | bar->paint(painter,option,widget); | |
|
66 | foreach (BarLabel* label, m_labels) | |
|
67 | label->paint(painter,option,widget); | |
|
68 | painter->restore(); | |
|
63 | 69 | } |
|
64 | 70 | |
|
65 | 71 | QRectF BarChartItem::boundingRect() const |
|
66 | 72 | { |
|
67 | return m_rect; | |
|
73 | return m_rect.translated(-m_rect.topLeft()); | |
|
74 | // return m_rect; | |
|
68 | 75 | } |
|
69 | 76 | |
|
70 | 77 | void BarChartItem::dataChanged() |
|
71 | 78 | { |
|
72 | 79 | // TODO: performance optimizations. Do we really need to delete and create items every time data is changed or can we reuse them? |
|
73 | // Delete old bars | |
|
74 | foreach (QGraphicsItem *item, childItems()) | |
|
75 | delete item; | |
|
80 | deleteItems(); | |
|
76 | 81 | |
|
77 | 82 | m_bars.clear(); |
|
78 | 83 | m_labels.clear(); |
|
79 | 84 | m_layout.clear(); |
|
80 | 85 | |
|
81 | 86 | // Create new graphic items for bars |
|
82 | 87 | for (int c = 0; c < m_series->categoryCount(); c++) { |
|
83 | 88 | QString category = m_series->categoryName(c); |
|
84 | 89 | for (int s = 0; s < m_series->barsetCount(); s++) { |
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85 | 90 | QBarSet *set = m_series->barsetAt(s); |
|
86 |
Bar *bar = new Bar(category, |
|
|
87 | childItems().append(bar); | |
|
91 | Bar *bar = new Bar(category,0); // Null parent is best :) | |
|
88 | 92 | m_bars.append(bar); |
|
89 | 93 | connect(bar, SIGNAL(clicked(QString,Qt::MouseButtons)), set, SIGNAL(clicked(QString,Qt::MouseButtons))); |
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90 | 94 | connect(bar, SIGNAL(hoverEntered(QPoint)), set, SLOT(barHoverEnterEvent(QPoint))); |
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91 | 95 | connect(bar, SIGNAL(hoverLeaved()), set, SLOT(barHoverLeaveEvent())); |
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92 | 96 | m_layout.append(QRectF(0, 0, 0, 0)); |
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93 | 97 | } |
|
94 | 98 | } |
|
95 | 99 | |
|
96 | 100 | // Create labels |
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97 | 101 | for (int category = 0; category < m_series->categoryCount(); category++) { |
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98 | 102 | for (int s = 0; s < m_series->barsetCount(); s++) { |
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99 | 103 | QBarSet *set = m_series->barsetAt(s); |
|
100 |
BarLabel *value = new BarLabel(*set, |
|
|
101 | childItems().append(value); | |
|
104 | BarLabel *value = new BarLabel(*set, 0); | |
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102 | 105 | m_labels.append(value); |
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103 | 106 | connect(set,SIGNAL(labelsVisibleChanged(bool)),value,SLOT(labelsVisibleChanged(bool))); |
|
104 | 107 | } |
|
105 | 108 | } |
|
106 | 109 | } |
|
107 | 110 | |
|
108 | 111 | QVector<QRectF> BarChartItem::calculateLayout() |
|
109 | 112 | { |
|
110 | 113 | QVector<QRectF> layout; |
|
111 | 114 | |
|
112 | 115 | // Use temporary qreals for accurancy (we might get some compiler warnings... :) |
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113 | 116 | qreal categoryCount = m_series->categoryCount(); |
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114 | 117 | qreal setCount = m_series->barsetCount(); |
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115 | 118 | |
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116 | 119 | qreal width = geometry().width(); |
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117 | 120 | qreal height = geometry().height(); |
|
118 | 121 | |
|
119 | 122 | qreal max = m_series->max(); |
|
120 | 123 | |
|
121 | 124 | // Domain: |
|
122 | 125 | if (m_domainMaxY > max) { |
|
123 | 126 | max = m_domainMaxY; |
|
124 | 127 | } |
|
125 | 128 | |
|
126 | 129 | qreal scale = (height / max); |
|
127 | 130 | qreal categoryWidth = width / categoryCount; |
|
128 | 131 | qreal barWidth = categoryWidth / (setCount+1); |
|
129 | 132 | |
|
130 | 133 | int itemIndex(0); |
|
131 | 134 | for (int category = 0; category < categoryCount; category++) { |
|
132 | 135 | qreal xPos = categoryWidth * category + barWidth / 2; |
|
133 | 136 | qreal yPos = height; |
|
134 | 137 | for (int set = 0; set < setCount; set++) { |
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135 | 138 | QBarSet* barSet = m_series->barsetAt(set); |
|
136 | 139 | |
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137 | 140 | qreal barHeight = barSet->valueAt(category) * scale; |
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138 | 141 | Bar* bar = m_bars.at(itemIndex); |
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139 | 142 | |
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140 | 143 | QRectF rect(xPos, yPos - barHeight, barWidth, barHeight); |
|
141 | 144 | layout.append(rect); |
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142 | 145 | bar->setPen(barSet->pen()); |
|
143 | 146 | bar->setBrush(barSet->brush()); |
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144 | 147 | |
|
145 | 148 | BarLabel* label = m_labels.at(itemIndex); |
|
146 | 149 | |
|
147 | 150 | if (!qFuzzyIsNull(barSet->valueAt(category))) { |
|
148 | 151 | label->setText(QString::number(barSet->valueAt(category))); |
|
149 | 152 | } else { |
|
150 | 153 | label->setText(QString("")); |
|
151 | 154 | } |
|
152 | 155 | |
|
153 | 156 | label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2) |
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154 | 157 | ,yPos - barHeight/2 - label->boundingRect().height()/2); |
|
155 |
|
|
|
158 | label->setFont(barSet->labelFont()); | |
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156 | 159 | |
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157 | 160 | itemIndex++; |
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158 | 161 | xPos += barWidth; |
|
159 | 162 | } |
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160 | 163 | } |
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161 | 164 | return layout; |
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162 | 165 | } |
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163 | 166 | |
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164 | 167 | void BarChartItem::applyLayout(const QVector<QRectF> &layout) |
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165 | 168 | { |
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166 | 169 | if (animator()) |
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167 | 170 | animator()->updateLayout(this, m_layout, layout); |
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168 | 171 | else |
|
169 | 172 | setLayout(layout); |
|
170 | 173 | } |
|
171 | 174 | |
|
172 | 175 | void BarChartItem::setLayout(const QVector<QRectF> &layout) |
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173 | 176 | { |
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174 | 177 | m_layout = layout; |
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175 | 178 | |
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176 | 179 | for (int i=0; i < m_bars.count(); i++) |
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177 | 180 | m_bars.at(i)->setRect(layout.at(i)); |
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178 | 181 | |
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179 | 182 | update(); |
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180 | 183 | } |
|
181 | 184 | |
|
185 | void BarChartItem::deleteItems() | |
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186 | { | |
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187 | foreach (Bar *bar, m_bars) | |
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188 | delete bar; | |
|
189 | foreach (BarLabel* label, m_labels) | |
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190 | delete label; | |
|
191 | } | |
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192 | ||
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182 | 193 | //handlers |
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183 | 194 | |
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184 | 195 | void BarChartItem::handleModelChanged(int index) |
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185 | 196 | { |
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186 | 197 | Q_UNUSED(index) |
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187 | 198 | dataChanged(); |
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188 | 199 | } |
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189 | 200 | |
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190 | 201 | void BarChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY) |
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191 | 202 | { |
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192 | 203 | m_domainMinX = minX; |
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193 | 204 | m_domainMaxX = maxX; |
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194 | 205 | m_domainMinY = minY; |
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195 | 206 | m_domainMaxY = maxY; |
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196 | 207 | handleLayoutChanged(); |
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197 | 208 | } |
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198 | 209 | |
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199 | 210 | void BarChartItem::handleGeometryChanged(const QRectF &rect) |
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200 | 211 | { |
|
212 | m_clipRect = rect.translated(-rect.topLeft()); | |
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201 | 213 | m_rect = rect; |
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202 | 214 | handleLayoutChanged(); |
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203 | 215 | m_layoutSet = true; |
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204 | 216 | setPos(rect.topLeft()); |
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205 | 217 | } |
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206 | 218 | |
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207 | 219 | void BarChartItem::handleLayoutChanged() |
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208 | 220 | { |
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209 | 221 | QVector<QRectF> layout = calculateLayout(); |
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210 | 222 | applyLayout(layout); |
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211 | 223 | update(); |
|
212 | 224 | } |
|
213 | 225 | |
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214 | 226 | void BarChartItem::showToolTip(QPoint pos, QString tip) |
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215 | 227 | { |
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216 | 228 | // TODO: cool tooltip instead of default |
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217 | 229 | QToolTip::showText(pos, tip); |
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218 | 230 | } |
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219 | 231 | |
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220 | 232 | #include "moc_barchartitem_p.cpp" |
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221 | 233 | |
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222 | 234 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,89 +1,93 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef BARCHARTITEM_H |
|
22 | 22 | #define BARCHARTITEM_H |
|
23 | 23 | |
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24 | 24 | #include "chartitem_p.h" |
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25 | 25 | #include "qbarseries.h" |
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26 | 26 | #include <QPen> |
|
27 | 27 | #include <QBrush> |
|
28 | 28 | |
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29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | class Bar; |
|
32 | 32 | class BarLabel; |
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33 | 33 | class QChartAxisCategories; |
|
34 | 34 | class QChart; |
|
35 | 35 | |
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36 | 36 | //typedef QVector<QRectF> BarLayout; |
|
37 | 37 | |
|
38 | 38 | class BarChartItem : public ChartItem |
|
39 | 39 | { |
|
40 | 40 | Q_OBJECT |
|
41 | 41 | public: |
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42 | 42 | BarChartItem(QBarSeries *series, ChartPresenter *presenter); |
|
43 | 43 | virtual ~BarChartItem(); |
|
44 | 44 | |
|
45 | 45 | public: |
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46 | 46 | // From QGraphicsItem |
|
47 | 47 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
|
48 | 48 | QRectF boundingRect() const; |
|
49 | 49 | |
|
50 | 50 | // TODO: Consider the domain for layoutChanged. May be use case, may not be. If it is, then the derived classes need to implement it |
|
51 | 51 | virtual void dataChanged(); // data of series has changed -> need to recalculate bar sizes |
|
52 | 52 | |
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53 | 53 | virtual QVector<QRectF> calculateLayout(); |
|
54 | 54 | void applyLayout(const QVector<QRectF> &layout); |
|
55 | 55 | void setLayout(const QVector<QRectF> &layout); |
|
56 | 56 | void updateLayout(const QVector<QRectF> &layout); |
|
57 | 57 | |
|
58 | 58 | QRectF geometry() const { return m_rect;} |
|
59 | 59 | |
|
60 | private: | |
|
61 | void deleteItems(); | |
|
62 | ||
|
60 | 63 | public Q_SLOTS: |
|
61 | 64 | void handleModelChanged(int index); |
|
62 | 65 | void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY); |
|
63 | 66 | void handleGeometryChanged(const QRectF &size); |
|
64 | 67 | void handleLayoutChanged(); |
|
65 | 68 | |
|
66 | 69 | // Internal slots |
|
67 | 70 | void showToolTip(QPoint pos, QString tip); // shows tooltip (if enabled) |
|
68 | 71 | |
|
69 | 72 | protected: |
|
70 | 73 | |
|
71 | 74 | // TODO: consider these. |
|
72 | 75 | qreal m_domainMinX; |
|
73 | 76 | qreal m_domainMaxX; |
|
74 | 77 | qreal m_domainMinY; |
|
75 | 78 | qreal m_domainMaxY; |
|
76 | 79 | |
|
77 | 80 | QRectF m_rect; |
|
81 | QRectF m_clipRect; | |
|
78 | 82 | bool m_layoutSet; // True, if component has been laid out. |
|
79 | 83 | QVector<QRectF> m_layout; |
|
80 | 84 | |
|
81 | 85 | // Not owned. |
|
82 | 86 | QBarSeries *m_series; |
|
83 | 87 | QList<Bar *> m_bars; |
|
84 | 88 | QList<BarLabel *> m_labels; |
|
85 | 89 | }; |
|
86 | 90 | |
|
87 | 91 | QTCOMMERCIALCHART_END_NAMESPACE |
|
88 | 92 | |
|
89 | 93 | #endif // BARCHARTITEM_H |
@@ -1,86 +1,85 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "percentbarchartitem_p.h" |
|
22 | 22 | #include "bar_p.h" |
|
23 | 23 | #include "barlabel_p.h" |
|
24 | 24 | #include "qbarset.h" |
|
25 | #include <QDebug> | |
|
26 | 25 | |
|
27 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
28 | 27 | |
|
29 | 28 | PercentBarChartItem::PercentBarChartItem(QBarSeries *series, ChartPresenter *presenter) : |
|
30 | 29 | BarChartItem(series, presenter) |
|
31 | 30 | { |
|
32 | 31 | } |
|
33 | 32 | |
|
34 | 33 | QVector<QRectF> PercentBarChartItem::calculateLayout() |
|
35 | 34 | { |
|
36 | 35 | QVector<QRectF> layout; |
|
37 | 36 | |
|
38 |
// Use temporary qreals for accurancy |
|
|
37 | // Use temporary qreals for accurancy | |
|
39 | 38 | qreal width = geometry().width(); |
|
40 | 39 | qreal height = geometry().height(); |
|
41 | 40 | |
|
42 | 41 | qreal categoryCount = m_series->categoryCount(); |
|
43 | 42 | qreal barWidth = width / (m_series->categoryCount() * 2); |
|
44 | 43 | qreal xStep = width / categoryCount; |
|
45 | 44 | qreal xPos = xStep / 2 - barWidth / 2; |
|
46 | 45 | |
|
47 | 46 | int itemIndex(0); |
|
48 | 47 | for (int category = 0; category < categoryCount; category++) { |
|
49 | 48 | qreal colSum = m_series->categorySum(category); |
|
50 | 49 | qreal scale = (height / colSum); |
|
51 | 50 | qreal yPos = height; |
|
52 | 51 | for (int set=0; set < m_series->barsetCount(); set++) { |
|
53 | 52 | QBarSet* barSet = m_series->barsetAt(set); |
|
54 | 53 | qreal barHeight = barSet->valueAt(category) * scale; |
|
55 | 54 | Bar* bar = m_bars.at(itemIndex); |
|
56 | 55 | bar->setPen(barSet->pen()); |
|
57 | 56 | bar->setBrush(barSet->brush()); |
|
58 | 57 | QRectF rect(xPos, yPos-barHeight, barWidth, barHeight); |
|
59 | 58 | layout.append(rect); |
|
60 | 59 | |
|
61 | 60 | BarLabel* label = m_labels.at(itemIndex); |
|
62 | 61 | |
|
63 | 62 | if (!qFuzzyIsNull(m_series->valueAt(set,category))) { |
|
64 | 63 | int p = m_series->percentageAt(set,category) * 100; |
|
65 | 64 | QString vString(QString::number(p)); |
|
66 | 65 | vString.truncate(3); |
|
67 | 66 | vString.append("%"); |
|
68 | 67 | label->setText(vString); |
|
69 | 68 | } else { |
|
70 | 69 | label->setText(QString("")); |
|
71 | 70 | } |
|
72 | 71 | |
|
73 | 72 | label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2) |
|
74 | 73 | ,yPos - barHeight/2 - label->boundingRect().height()/2); |
|
75 |
|
|
|
74 | label->setFont(barSet->labelFont()); | |
|
76 | 75 | itemIndex++; |
|
77 | 76 | yPos -= barHeight; |
|
78 | 77 | } |
|
79 | 78 | xPos += xStep; |
|
80 | 79 | } |
|
81 | 80 | return layout; |
|
82 | 81 | } |
|
83 | 82 | |
|
84 | 83 | #include "moc_percentbarchartitem_p.cpp" |
|
85 | 84 | |
|
86 | 85 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,404 +1,407 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include <QDebug> |
|
22 | 22 | #include "qbarseries.h" |
|
23 | 23 | #include "qbarset.h" |
|
24 | 24 | #include "barchartmodel_p.h" |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | /*! |
|
29 | 29 | \class QBarSeries |
|
30 | 30 | \brief part of QtCommercial chart API. |
|
31 | 31 | |
|
32 | 32 | QBarSeries represents a series of data shown as bars. One QBarSeries can contain multible |
|
33 | 33 | QBarSet data sets. QBarSeries groups the data from sets to categories, which are defined |
|
34 | 34 | by QStringList. |
|
35 | 35 | |
|
36 | 36 | \mainclass |
|
37 | 37 | |
|
38 | 38 | \sa QBarSet, QStackedBarSeries, QPercentBarSeries |
|
39 | 39 | */ |
|
40 | 40 | |
|
41 | 41 | /*! |
|
42 | 42 | \fn virtual QSeriesType QBarSeries::type() const |
|
43 | 43 | \brief Returns type of series. |
|
44 | 44 | \sa QSeries, QSeriesType |
|
45 | 45 | */ |
|
46 | 46 | |
|
47 | 47 | /*! |
|
48 | 48 | \fn void QBarSeries::showToolTip(QPoint pos, QString tip) |
|
49 | 49 | \brief \internal \a pos \a tip |
|
50 | 50 | */ |
|
51 | 51 | |
|
52 | 52 | /*! |
|
53 | 53 | Constructs empty QBarSeries. Parameter \a categories defines the categories for chart. |
|
54 | 54 | QBarSeries is QObject which is a child of a \a parent. |
|
55 | 55 | */ |
|
56 | 56 | QBarSeries::QBarSeries(QBarCategories categories, QObject *parent) : QSeries(parent), |
|
57 | 57 | m_internalModel(new BarChartModel(categories, this)) |
|
58 | 58 | { |
|
59 | 59 | m_model = 0; |
|
60 | 60 | m_mapCategories = -1; |
|
61 | 61 | m_mapBarBottom = -1; |
|
62 | 62 | m_mapBarTop = -1; |
|
63 | 63 | m_mapFirst = 0; |
|
64 | 64 | m_mapCount = 0; |
|
65 | 65 | m_mapOrientation = Qt::Vertical; |
|
66 | 66 | } |
|
67 | 67 | |
|
68 | 68 | /*! |
|
69 | 69 | Adds a set of bars to series. Takes ownership of \a set. |
|
70 | 70 | Connects the clicked(QString, Qt::MouseButtons) signal |
|
71 | 71 | of \a set to this series |
|
72 | 72 | */ |
|
73 | 73 | void QBarSeries::appendBarSet(QBarSet *set) |
|
74 | 74 | { |
|
75 | 75 | m_internalModel->appendBarSet(set); |
|
76 | 76 | connect(set, SIGNAL(clicked(QString,Qt::MouseButtons)), this, SLOT(barsetClicked(QString,Qt::MouseButtons))); |
|
77 | 77 | connect(set, SIGNAL(valueChanged()), this, SLOT(barsetChanged())); |
|
78 | 78 | emit updatedBars(); |
|
79 | 79 | } |
|
80 | 80 | |
|
81 | 81 | /*! |
|
82 | 82 | Removes a set of bars from series. Releases ownership of \a set. Doesnt delete \a set. |
|
83 | 83 | Disconnects the clicked(QString, Qt::MouseButtons) signal |
|
84 | 84 | of \a set from this series |
|
85 | 85 | */ |
|
86 | 86 | void QBarSeries::removeBarSet(QBarSet *set) |
|
87 | 87 | { |
|
88 | 88 | disconnect(set, SIGNAL(clicked(QString,Qt::MouseButtons)), this, SLOT(barsetClicked(QString,Qt::MouseButtons))); |
|
89 | 89 | m_internalModel->removeBarSet(set); |
|
90 | 90 | emit updatedBars(); |
|
91 | 91 | } |
|
92 | 92 | |
|
93 | 93 | void QBarSeries::insertBarSet(int i, QBarSet *set) |
|
94 | 94 | { |
|
95 | 95 | m_internalModel->insertBarSet(i, set); |
|
96 | 96 | // emit barsetChanged(); |
|
97 | 97 | } |
|
98 | 98 | |
|
99 | 99 | void QBarSeries::insertCategory(int i, QString category) |
|
100 | 100 | { |
|
101 | 101 | m_internalModel->insertCategory(i, category); |
|
102 | 102 | } |
|
103 | 103 | |
|
104 | 104 | void QBarSeries::removeCategory(int i) |
|
105 | 105 | { |
|
106 | 106 | m_internalModel->removeCategory(i); |
|
107 | 107 | } |
|
108 | 108 | |
|
109 | 109 | /*! |
|
110 | 110 | Returns number of sets in series. |
|
111 | 111 | */ |
|
112 | 112 | int QBarSeries::barsetCount() const |
|
113 | 113 | { |
|
114 | 114 | // if(m_model) |
|
115 | 115 | // return m_mapBarTop - m_mapBarBottom; |
|
116 | 116 | // else |
|
117 | 117 | return m_internalModel->barsetCount(); |
|
118 | 118 | } |
|
119 | 119 | |
|
120 | 120 | /*! |
|
121 | 121 | Returns number of categories in series |
|
122 | 122 | */ |
|
123 | 123 | int QBarSeries::categoryCount() const |
|
124 | 124 | { |
|
125 | 125 | return m_internalModel->categoryCount(); |
|
126 | 126 | } |
|
127 | 127 | |
|
128 | 128 | /*! |
|
129 | 129 | Returns a list of sets in series. Keeps ownership of sets. |
|
130 | 130 | */ |
|
131 | 131 | QList<QBarSet*> QBarSeries::barSets() const |
|
132 | 132 | { |
|
133 | 133 | return m_internalModel->barSets(); |
|
134 | 134 | } |
|
135 | 135 | |
|
136 | 136 | /*! |
|
137 | 137 | \internal \a index |
|
138 | 138 | */ |
|
139 | 139 | QBarSet* QBarSeries::barsetAt(int index) |
|
140 | 140 | { |
|
141 | 141 | return m_internalModel->barsetAt(index); |
|
142 | 142 | } |
|
143 | 143 | |
|
144 | 144 | /*! |
|
145 | 145 | \internal \a category |
|
146 | 146 | */ |
|
147 | 147 | QString QBarSeries::categoryName(int category) |
|
148 | 148 | { |
|
149 | 149 | return m_internalModel->categoryName(category); |
|
150 | 150 | } |
|
151 | 151 | |
|
152 | 152 | /*! |
|
153 | 153 | Enables or disables tooltip depending on parameter \a enabled. |
|
154 | 154 | Tooltip shows the name of set, when mouse is hovering on top of bar. |
|
155 | 155 | Calling without parameter \a enabled, enables the tooltip |
|
156 | 156 | */ |
|
157 | 157 | void QBarSeries::setToolTipEnabled(bool enabled) |
|
158 | 158 | { |
|
159 | 159 | // TODO: what if we add sets after call to this function? Those sets won't have tooltip enabled. |
|
160 | 160 | if (enabled) { |
|
161 | 161 | for (int i=0; i<m_internalModel->barsetCount(); i++) { |
|
162 | 162 | QBarSet *set = m_internalModel->barsetAt(i); |
|
163 | 163 | connect(set, SIGNAL(showToolTip(QPoint,QString)), this, SIGNAL(showToolTip(QPoint,QString))); |
|
164 | 164 | } |
|
165 | 165 | } else { |
|
166 | 166 | for (int i=0; i<m_internalModel->barsetCount(); i++) { |
|
167 | 167 | QBarSet *set = m_internalModel->barsetAt(i); |
|
168 | 168 | disconnect(set, SIGNAL(showToolTip(QPoint,QString)), this, SIGNAL(showToolTip(QPoint,QString))); |
|
169 | 169 | } |
|
170 | 170 | } |
|
171 | 171 | } |
|
172 | 172 | |
|
173 | 173 | |
|
174 | 174 | /*! |
|
175 | 175 | \internal \a category |
|
176 | 176 | */ |
|
177 | 177 | void QBarSeries::barsetClicked(QString category, Qt::MouseButtons button) |
|
178 | 178 | { |
|
179 | 179 | emit clicked(qobject_cast<QBarSet*>(sender()), category, button); |
|
180 | 180 | } |
|
181 | 181 | |
|
182 | 182 | /*! |
|
183 | 183 | \internal |
|
184 | 184 | */ |
|
185 | 185 | qreal QBarSeries::min() |
|
186 | 186 | { |
|
187 | 187 | return m_internalModel->min(); |
|
188 | 188 | } |
|
189 | 189 | |
|
190 | 190 | /*! |
|
191 | 191 | \internal |
|
192 | 192 | */ |
|
193 | 193 | qreal QBarSeries::max() |
|
194 | 194 | { |
|
195 | 195 | return m_internalModel->max(); |
|
196 | 196 | } |
|
197 | 197 | |
|
198 | 198 | /*! |
|
199 | 199 | \internal \a set \a category |
|
200 | 200 | */ |
|
201 | 201 | qreal QBarSeries::valueAt(int set, int category) |
|
202 | 202 | { |
|
203 | 203 | return m_internalModel->valueAt(set, category); |
|
204 | 204 | } |
|
205 | 205 | |
|
206 | 206 | /*! |
|
207 | 207 | \internal \a set \a category |
|
208 | 208 | */ |
|
209 | 209 | qreal QBarSeries::percentageAt(int set, int category) |
|
210 | 210 | { |
|
211 | 211 | return m_internalModel->percentageAt(set, category); |
|
212 | 212 | } |
|
213 | 213 | |
|
214 | 214 | /*! |
|
215 | 215 | \internal \a category |
|
216 | 216 | */ |
|
217 | 217 | qreal QBarSeries::categorySum(int category) |
|
218 | 218 | { |
|
219 | 219 | return m_internalModel->categorySum(category); |
|
220 | 220 | } |
|
221 | 221 | |
|
222 | 222 | /*! |
|
223 | 223 | \internal |
|
224 | 224 | */ |
|
225 | 225 | qreal QBarSeries::maxCategorySum() |
|
226 | 226 | { |
|
227 | 227 | return m_internalModel->maxCategorySum(); |
|
228 | 228 | } |
|
229 | 229 | |
|
230 | 230 | /*! |
|
231 | 231 | \internal |
|
232 | 232 | */ |
|
233 | 233 | BarChartModel& QBarSeries::model() |
|
234 | 234 | { |
|
235 | 235 | return *m_internalModel; |
|
236 | 236 | } |
|
237 | 237 | |
|
238 | 238 | bool QBarSeries::setModel(QAbstractItemModel *model) |
|
239 | 239 | { |
|
240 | 240 | // disconnect signals from old model |
|
241 | 241 | if(m_model) |
|
242 | 242 | { |
|
243 | 243 | disconnect(m_model, 0, this, 0); |
|
244 | 244 | m_mapCategories = -1; |
|
245 | 245 | m_mapBarBottom = -1; |
|
246 | 246 | m_mapBarTop = -1; |
|
247 | 247 | m_mapFirst = 0; |
|
248 | 248 | m_mapCount = 0; |
|
249 | 249 | m_mapOrientation = Qt::Vertical; |
|
250 | 250 | } |
|
251 | 251 | |
|
252 | 252 | // set new model |
|
253 | 253 | if(model) |
|
254 | 254 | { |
|
255 | 255 | m_model = model; |
|
256 | 256 | return true; |
|
257 | 257 | } |
|
258 | 258 | else |
|
259 | 259 | { |
|
260 | 260 | m_model = 0; |
|
261 | 261 | return false; |
|
262 | 262 | } |
|
263 | 263 | } |
|
264 | 264 | |
|
265 | 265 | // TODO |
|
266 | 266 | void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation) |
|
267 | 267 | { |
|
268 | 268 | if (!m_model) |
|
269 | 269 | return; |
|
270 | 270 | |
|
271 | 271 | m_mapCategories = categories; |
|
272 | 272 | m_mapBarBottom = bottomBoundry; |
|
273 | 273 | m_mapBarTop = topBoundry; |
|
274 | 274 | // m_mapFirst = 1; |
|
275 | 275 | m_mapOrientation = orientation; |
|
276 | 276 | |
|
277 | 277 | // connect the signals |
|
278 | 278 | if (m_mapOrientation == Qt::Vertical) { |
|
279 | 279 | m_mapCount = m_model->rowCount() - m_mapFirst; |
|
280 | 280 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), |
|
281 | 281 | this, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
282 | 282 | connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), |
|
283 | 283 | this, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
284 | 284 | connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), |
|
285 | 285 | this, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
286 | 286 | } else { |
|
287 | 287 | m_mapCount = m_model->columnCount() - m_mapFirst; |
|
288 | 288 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), |
|
289 | 289 | this, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
290 | 290 | connect(m_model,SIGNAL(columnsInserted(QModelIndex, int, int)), |
|
291 | 291 | this, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
292 | 292 | connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), |
|
293 | 293 | this, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
294 | 294 | } |
|
295 | 295 | |
|
296 | 296 | |
|
297 | 297 | // create the initial bars |
|
298 | 298 | delete m_internalModel; |
|
299 | 299 | if (m_mapOrientation == Qt::Vertical) { |
|
300 | 300 | QStringList categories; |
|
301 | 301 | for (int k = m_mapFirst; k < m_mapFirst + m_mapCount; k++) |
|
302 | 302 | categories << m_model->data(m_model->index(k, m_mapCategories), Qt::DisplayRole).toString(); |
|
303 | 303 | m_internalModel = new BarChartModel(categories, this); |
|
304 | 304 | |
|
305 | 305 | for (int i = m_mapBarBottom; i <= m_mapBarTop; i++) { |
|
306 | 306 | QBarSet* barSet = new QBarSet(QString("Column: %1").arg(i + 1)); |
|
307 | 307 | for(int m = m_mapFirst; m < m_mapFirst + m_mapCount; m++) |
|
308 | 308 | *barSet << m_model->data(m_model->index(m, i), Qt::DisplayRole).toDouble(); |
|
309 | 309 | appendBarSet(barSet); |
|
310 | 310 | } |
|
311 | 311 | } else { |
|
312 | 312 | QStringList categories; |
|
313 | 313 | for (int k = m_mapFirst; k < m_mapFirst + m_mapCount; k++) |
|
314 | 314 | categories << m_model->data(m_model->index(m_mapCategories, k), Qt::DisplayRole).toString(); |
|
315 | 315 | m_internalModel = new BarChartModel(categories, this); |
|
316 | 316 | |
|
317 | 317 | for (int i = m_mapBarBottom; i <= m_mapBarTop; i++) { |
|
318 | 318 | QBarSet* barSet = new QBarSet(QString("Row: %1").arg(i + 1)); |
|
319 | 319 | for(int m = m_mapFirst; m < m_mapFirst + m_mapCount; m++) |
|
320 | 320 | *barSet << m_model->data(m_model->index(i, m), Qt::DisplayRole).toDouble(); |
|
321 | 321 | appendBarSet(barSet); |
|
322 | 322 | } |
|
323 | 323 | } |
|
324 | 324 | } |
|
325 | 325 | |
|
326 | 326 | void QBarSeries::setModelMappingShift(int first, int count) |
|
327 | 327 | { |
|
328 | 328 | m_mapFirst = first; |
|
329 | 329 | m_mapCount = count; |
|
330 | 330 | } |
|
331 | 331 | |
|
332 | 332 | void QBarSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
|
333 | 333 | { |
|
334 | 334 | Q_UNUSED(bottomRight) |
|
335 | 335 | |
|
336 | 336 | if (m_mapOrientation == Qt::Vertical) |
|
337 | 337 | { |
|
338 | 338 | // model update is relevant to BarSeries if the change was made to the part of the model that was mapped to BarSeries |
|
339 | 339 | if (topLeft.column() >= m_mapBarBottom && topLeft.column() <= m_mapBarTop && topLeft.row() >= m_mapFirst && topLeft.row() < m_mapFirst + m_mapCount) |
|
340 | 340 | barsetAt(topLeft.column() - m_mapBarBottom)->setValue(topLeft.row() - m_mapFirst, m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
341 | 341 | } |
|
342 | 342 | else |
|
343 | 343 | { |
|
344 | 344 | // model update is relevant to BarSeries if the change was made to the part of the model that was mapped to BarSeries |
|
345 | 345 | if (topLeft.row() >= m_mapBarBottom && topLeft.row() <= m_mapBarTop && topLeft.column() >= m_mapFirst && topLeft.column() < m_mapFirst + m_mapCount) |
|
346 | 346 | barsetAt(topLeft.row() - m_mapBarBottom)->setValue(topLeft.column() - m_mapFirst, m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
347 | 347 | } |
|
348 | 348 | } |
|
349 | 349 | |
|
350 | 350 | void QBarSeries::modelDataAdded(QModelIndex /*parent*/, int start, int /*end*/) |
|
351 | 351 | { |
|
352 | 352 | if (m_mapOrientation == Qt::Vertical) { |
|
353 | 353 | insertCategory(start - m_mapFirst, QString("Row: %1").arg(start + 1)); |
|
354 | 354 | for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++) { |
|
355 | 355 | barsetAt(i)->insertValue(start - m_mapFirst, m_model->data(m_model->index(start, i), Qt::DisplayRole).toDouble()); |
|
356 | 356 | } |
|
357 | 357 | } else { |
|
358 | 358 | insertCategory(start - m_mapFirst, QString("Column: %1").arg(start + 1)); |
|
359 | 359 | for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++) { |
|
360 | 360 | barsetAt(i)->insertValue(start - m_mapFirst, m_model->data(m_model->index(i, start), Qt::DisplayRole).toDouble()); |
|
361 | 361 | } |
|
362 | 362 | } |
|
363 | 363 | emit restructuredBar(1); |
|
364 | 364 | } |
|
365 | 365 | |
|
366 | 366 | void QBarSeries::modelDataRemoved(QModelIndex parent, int start, int end) |
|
367 | 367 | { |
|
368 | 368 | Q_UNUSED(parent) |
|
369 | 369 | Q_UNUSED(end) |
|
370 | 370 | |
|
371 | 371 | removeCategory(start - m_mapFirst); |
|
372 | 372 | for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++) |
|
373 | 373 | { |
|
374 | 374 | barsetAt(i)->removeValue(start - m_mapFirst); |
|
375 | 375 | } |
|
376 | 376 | emit restructuredBar(1); |
|
377 | 377 | } |
|
378 | 378 | |
|
379 | 379 | void QBarSeries::barsetChanged() |
|
380 | 380 | { |
|
381 | 381 | emit updatedBars(); |
|
382 | 382 | } |
|
383 | 383 | |
|
384 | 384 | QBarCategories QBarSeries::categories() const |
|
385 | 385 | { |
|
386 | 386 | QBarCategories categories; |
|
387 | 387 | int count = m_internalModel->categoryCount(); |
|
388 | 388 | for (int i=1; i <= count; i++) { |
|
389 | 389 | categories.insert(i, m_internalModel->categoryName(i - 1)); |
|
390 | 390 | } |
|
391 | 391 | return categories; |
|
392 | 392 | } |
|
393 | 393 | |
|
394 | /*! | |
|
395 | Sets the visibility of labels in series to \a visible | |
|
396 | */ | |
|
394 | 397 | void QBarSeries::setLabelsVisible(bool visible) |
|
395 | 398 | { |
|
396 | 399 | foreach (QBarSet* s, barSets()) { |
|
397 | 400 | s->setLabelsVisible(visible); |
|
398 | 401 | } |
|
399 | 402 | } |
|
400 | 403 | |
|
401 | 404 | |
|
402 | 405 | #include "moc_qbarseries.cpp" |
|
403 | 406 | |
|
404 | 407 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,274 +1,274 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "qbarset.h" |
|
22 | 22 | #include <QDebug> |
|
23 | 23 | #include <QToolTip> |
|
24 | 24 | |
|
25 | 25 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
26 | 26 | |
|
27 | 27 | /*! |
|
28 | 28 | \class QBarSet |
|
29 | 29 | \brief part of QtCommercial chart API. |
|
30 | 30 | |
|
31 | 31 | QBarSet represents one set of bars. Set of bars contains one data value for each category. |
|
32 | 32 | First value of set is assumed to belong to first category, second to second category and so on. |
|
33 | 33 | If set has fewer values than there are categories, then the missing values are assumed to be |
|
34 | 34 | at the end of set. For missing values in middle of a set, numerical value of zero is used. |
|
35 | 35 | |
|
36 | 36 | \mainclass |
|
37 | 37 | |
|
38 | 38 | \sa QBarSeries, QStackedBarSeries, QPercentBarSeries |
|
39 | 39 | */ |
|
40 | 40 | |
|
41 | 41 | /*! |
|
42 | 42 | \fn void QBarSet::clicked(QString category, Qt::MouseButtons button) |
|
43 | 43 | \brief signals that set has been clicked |
|
44 | 44 | Parameter \a category describes on which category was clicked |
|
45 | 45 | Parameter \a button mouse button |
|
46 | 46 | */ |
|
47 | 47 | |
|
48 | 48 | /*! |
|
49 | 49 | \fn void QBarSet::hoverEnter(QPoint pos) |
|
50 | 50 | \brief signals that mouse has entered over the set at position \a pos. |
|
51 | 51 | */ |
|
52 | 52 | |
|
53 | 53 | /*! |
|
54 | 54 | \fn void QBarSet::hoverLeave() |
|
55 | 55 | \brief signals that mouse has left from the set. |
|
56 | 56 | */ |
|
57 | 57 | |
|
58 | 58 | /*! |
|
59 | 59 | \fn void QBarSet::setLabelssVisible(bool visible = true) |
|
60 | 60 | \brief Sets visibility of bar labels. If \a visible is true, labels are drawn on top of barsets. |
|
61 | 61 | */ |
|
62 | 62 | |
|
63 | 63 | /*! |
|
64 | 64 | \fn void QBarSet::showToolTip(QPoint pos, QString tip) |
|
65 | 65 | \brief \internal \a pos \a tip |
|
66 | 66 | */ |
|
67 | 67 | |
|
68 | 68 | |
|
69 | 69 | /*! |
|
70 | 70 | Constructs QBarSet with a name of \a name and with parent of \a parent |
|
71 | 71 | */ |
|
72 | 72 | QBarSet::QBarSet(QString name, QObject *parent) |
|
73 | 73 | : QObject(parent) |
|
74 | 74 | ,m_name(name) |
|
75 | 75 | ,m_labelsVisible(false) |
|
76 | 76 | { |
|
77 | 77 | } |
|
78 | 78 | |
|
79 | 79 | /*! |
|
80 | 80 | Sets new \a name for set. |
|
81 | 81 | */ |
|
82 | 82 | void QBarSet::setName(QString name) |
|
83 | 83 | { |
|
84 | 84 | m_name = name; |
|
85 | 85 | } |
|
86 | 86 | |
|
87 | 87 | /*! |
|
88 | 88 | Returns name of the set. |
|
89 | 89 | */ |
|
90 | 90 | QString QBarSet::name() const |
|
91 | 91 | { |
|
92 | 92 | return m_name; |
|
93 | 93 | } |
|
94 | 94 | |
|
95 | 95 | /*! |
|
96 | 96 | Appends new value \a value to the end of set. |
|
97 | 97 | */ |
|
98 | 98 | QBarSet& QBarSet::operator << (const qreal &value) |
|
99 | 99 | { |
|
100 | 100 | m_values.append(value); |
|
101 | 101 | emit structureChanged(); |
|
102 | 102 | return *this; |
|
103 | 103 | } |
|
104 | 104 | |
|
105 | 105 | void QBarSet::insertValue(int i, qreal value) |
|
106 | 106 | { |
|
107 | 107 | m_values.insert(i, value); |
|
108 | 108 | } |
|
109 | 109 | |
|
110 | 110 | void QBarSet::removeValue(int i) |
|
111 | 111 | { |
|
112 | 112 | m_values.removeAt(i); |
|
113 | 113 | } |
|
114 | 114 | |
|
115 | 115 | /*! |
|
116 | 116 | Returns count of values in set. |
|
117 | 117 | */ |
|
118 | 118 | int QBarSet::count() const |
|
119 | 119 | { |
|
120 | 120 | return m_values.count(); |
|
121 | 121 | } |
|
122 | 122 | |
|
123 | 123 | /*! |
|
124 | 124 | Returns value of set indexed by \a index |
|
125 | 125 | */ |
|
126 | 126 | qreal QBarSet::valueAt(int index) const |
|
127 | 127 | { |
|
128 | 128 | return m_values.at(index); |
|
129 | 129 | } |
|
130 | 130 | |
|
131 | 131 | /*! |
|
132 | 132 | Sets a new value \a value to set, indexed by \a index |
|
133 | 133 | */ |
|
134 | 134 | void QBarSet::setValue(int index, qreal value) |
|
135 | 135 | { |
|
136 | 136 | m_values.replace(index,value); |
|
137 | 137 | emit valueChanged(); |
|
138 | 138 | } |
|
139 | 139 | |
|
140 | 140 | /*! |
|
141 | 141 | Returns total sum of all values in barset. |
|
142 | 142 | */ |
|
143 | 143 | qreal QBarSet::total() const |
|
144 | 144 | { |
|
145 | 145 | qreal total(0); |
|
146 | 146 | for (int i=0; i < m_values.count(); i++) { |
|
147 | 147 | total += m_values.at(i); |
|
148 | 148 | } |
|
149 | 149 | return total; |
|
150 | 150 | } |
|
151 | 151 | |
|
152 | 152 | /*! |
|
153 | 153 | Sets pen for set. Bars of this set are drawn using \a pen |
|
154 | 154 | */ |
|
155 | 155 | void QBarSet::setPen(const QPen &pen) |
|
156 | 156 | { |
|
157 | 157 | m_pen = pen; |
|
158 | 158 | emit valueChanged(); |
|
159 | 159 | } |
|
160 | 160 | |
|
161 | 161 | /*! |
|
162 | 162 | Returns pen of the set. |
|
163 | 163 | */ |
|
164 | 164 | QPen QBarSet::pen() const |
|
165 | 165 | { |
|
166 | 166 | return m_pen; |
|
167 | 167 | } |
|
168 | 168 | |
|
169 | 169 | /*! |
|
170 | 170 | Sets brush for the set. Bars of this set are drawn using \a brush |
|
171 | 171 | */ |
|
172 | 172 | void QBarSet::setBrush(const QBrush &brush) |
|
173 | 173 | { |
|
174 | 174 | m_brush = brush; |
|
175 | 175 | emit valueChanged(); |
|
176 | 176 | } |
|
177 | 177 | |
|
178 | 178 | /*! |
|
179 | 179 | Returns brush of the set. |
|
180 | 180 | */ |
|
181 | 181 | QBrush QBarSet::brush() const |
|
182 | 182 | { |
|
183 | 183 | return m_brush; |
|
184 | 184 | } |
|
185 | 185 | |
|
186 | 186 | /*! |
|
187 | Sets pen of the values that are drawn on top of this barset | |
|
187 | Sets \a pen of the values that are drawn on top of this barset | |
|
188 | 188 | */ |
|
189 | 189 | void QBarSet::setLabelPen(const QPen &pen) |
|
190 | 190 | { |
|
191 | 191 | m_labelPen = pen; |
|
192 | 192 | emit valueChanged(); |
|
193 | 193 | } |
|
194 | 194 | |
|
195 | 195 | /*! |
|
196 | 196 | Returns pen of the values that are drawn on top of this barset |
|
197 | 197 | */ |
|
198 | 198 | QPen QBarSet::labelPen() const |
|
199 | 199 | { |
|
200 | 200 | return m_labelPen; |
|
201 | 201 | } |
|
202 | 202 | |
|
203 | 203 | /*! |
|
204 | Sets brush of the values that are drawn on top of this barset | |
|
204 | Sets \a brush of the values that are drawn on top of this barset | |
|
205 | 205 | */ |
|
206 | 206 | void QBarSet::setLabelBrush(const QBrush &brush) |
|
207 | 207 | { |
|
208 | 208 | m_labelBrush = brush; |
|
209 | 209 | emit valueChanged(); |
|
210 | 210 | } |
|
211 | 211 | |
|
212 | 212 | /*! |
|
213 | 213 | Returns brush of the values that are drawn on top of this barset |
|
214 | 214 | */ |
|
215 | 215 | QBrush QBarSet::labelBrush() const |
|
216 | 216 | { |
|
217 | 217 | return m_labelBrush; |
|
218 | 218 | } |
|
219 | 219 | |
|
220 | 220 | /*! |
|
221 |
Sets the |
|
|
221 | Sets the \a font for values that are drawn on top of this barset | |
|
222 | 222 | */ |
|
223 | 223 | void QBarSet::setLabelFont(const QFont &font) |
|
224 | 224 | { |
|
225 | 225 | m_labelFont = font; |
|
226 | 226 | emit valueChanged(); |
|
227 | 227 | } |
|
228 | 228 | |
|
229 | 229 | /*! |
|
230 | 230 | Returns the pen for values that are drawn on top of this set |
|
231 | 231 | */ |
|
232 | 232 | QFont QBarSet::labelFont() const |
|
233 | 233 | { |
|
234 | 234 | return m_labelFont; |
|
235 | 235 | } |
|
236 | 236 | |
|
237 | 237 | /*! |
|
238 | 238 | Sets the visibility of barset values to \a visible |
|
239 | 239 | */ |
|
240 | 240 | void QBarSet::setLabelsVisible(bool visible) |
|
241 | 241 | { |
|
242 | 242 | m_labelsVisible = visible; |
|
243 | 243 | emit labelsVisibleChanged(visible); |
|
244 | 244 | } |
|
245 | 245 | |
|
246 | 246 | /*! |
|
247 | 247 | Returns the visibility of values |
|
248 | 248 | */ |
|
249 | 249 | bool QBarSet::labelsVisible() const |
|
250 | 250 | { |
|
251 | 251 | return m_labelsVisible; |
|
252 | 252 | } |
|
253 | 253 | |
|
254 | 254 | /*! |
|
255 | 255 | \internal \a pos |
|
256 | 256 | */ |
|
257 | 257 | void QBarSet::barHoverEnterEvent(QPoint pos) |
|
258 | 258 | { |
|
259 | 259 | emit showToolTip(pos, m_name); |
|
260 | 260 | emit hoverEnter(pos); |
|
261 | 261 | } |
|
262 | 262 | |
|
263 | 263 | /*! |
|
264 | 264 | \internal |
|
265 | 265 | */ |
|
266 | 266 | void QBarSet::barHoverLeaveEvent() |
|
267 | 267 | { |
|
268 | 268 | // Emit signal to user of charts |
|
269 | 269 | emit hoverLeave(); |
|
270 | 270 | } |
|
271 | 271 | |
|
272 | 272 | #include "moc_qbarset.cpp" |
|
273 | 273 | |
|
274 | 274 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,92 +1,83 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "stackedbarchartitem_p.h" |
|
22 | 22 | #include "bar_p.h" |
|
23 | 23 | #include "barlabel_p.h" |
|
24 | 24 | #include "qbarset.h" |
|
25 | #include <QDebug> | |
|
26 | 25 | |
|
27 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
28 | 27 | |
|
29 | 28 | StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) : |
|
30 | 29 | BarChartItem(series, presenter) |
|
31 | 30 | { |
|
32 | 31 | } |
|
33 | 32 | |
|
34 | StackedBarChartItem::~StackedBarChartItem() | |
|
35 | { | |
|
36 | } | |
|
37 | ||
|
38 | 33 | QVector<QRectF> StackedBarChartItem::calculateLayout() |
|
39 | 34 | { |
|
40 | 35 | QVector<QRectF> layout; |
|
41 |
// Use temporary qreals for accurancy |
|
|
36 | // Use temporary qreals for accurancy | |
|
42 | 37 | |
|
43 | qreal maxSum = m_series->maxCategorySum(); | |
|
44 | 38 | // Domain: |
|
45 | if (m_domainMaxY > maxSum) { | |
|
46 | maxSum = m_domainMaxY; | |
|
47 | } | |
|
48 | ||
|
39 | qreal range = m_domainMaxY - m_domainMinY; | |
|
49 | 40 | qreal height = geometry().height(); |
|
50 | 41 | qreal width = geometry().width(); |
|
51 |
qreal scale = (height / |
|
|
42 | qreal scale = (height / range); | |
|
52 | 43 | qreal categotyCount = m_series->categoryCount(); |
|
53 | 44 | qreal barWidth = width / (categotyCount * 2); |
|
54 | 45 | qreal xStep = width / categotyCount; |
|
55 | 46 | qreal xPos = xStep / 2 - barWidth / 2; |
|
56 | 47 | |
|
57 | 48 | int itemIndex(0); |
|
58 | 49 | for (int category = 0; category < categotyCount; category++) { |
|
59 | qreal yPos = height; | |
|
50 | qreal yPos = height + scale * m_domainMinY; | |
|
60 | 51 | for (int set=0; set < m_series->barsetCount(); set++) { |
|
61 | 52 | QBarSet* barSet = m_series->barsetAt(set); |
|
62 | 53 | |
|
63 | 54 | qreal barHeight = barSet->valueAt(category) * scale; |
|
64 | 55 | Bar* bar = m_bars.at(itemIndex); |
|
65 | 56 | bar->setPen(barSet->pen()); |
|
66 | 57 | bar->setBrush(barSet->brush()); |
|
67 | 58 | QRectF rect(xPos, yPos-barHeight, barWidth, barHeight); |
|
68 | 59 | layout.append(rect); |
|
69 | 60 | |
|
70 | 61 | BarLabel* label = m_labels.at(itemIndex); |
|
71 | 62 | |
|
72 | 63 | if (!qFuzzyIsNull(barSet->valueAt(category))) { |
|
73 | 64 | label->setText(QString::number(barSet->valueAt(category))); |
|
74 | 65 | } else { |
|
75 | 66 | label->setText(QString("")); |
|
76 | 67 | } |
|
77 | 68 | |
|
78 | 69 | label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2) |
|
79 | 70 | ,yPos - barHeight/2 - label->boundingRect().height()/2); |
|
80 |
|
|
|
71 | label->setFont(barSet->labelFont()); | |
|
81 | 72 | itemIndex++; |
|
82 | 73 | yPos -= barHeight; |
|
83 | 74 | } |
|
84 | 75 | xPos += xStep; |
|
85 | 76 | } |
|
86 | 77 | |
|
87 | 78 | return layout; |
|
88 | 79 | } |
|
89 | 80 | |
|
90 | 81 | #include "moc_stackedbarchartitem_p.cpp" |
|
91 | 82 | |
|
92 | 83 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,48 +1,47 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef STACKEDBARCHARTITEM_H |
|
22 | 22 | #define STACKEDBARCHARTITEM_H |
|
23 | 23 | |
|
24 | 24 | #include "barchartitem_p.h" |
|
25 | 25 | #include "qstackedbarseries.h" |
|
26 | 26 | #include <QGraphicsItem> |
|
27 | 27 | |
|
28 | 28 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
29 | 29 | |
|
30 | 30 | class StackedBarChartItem : public BarChartItem |
|
31 | 31 | { |
|
32 | 32 | Q_OBJECT |
|
33 | 33 | public: |
|
34 | 34 | StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter); |
|
35 | ~StackedBarChartItem(); | |
|
36 | 35 | |
|
37 | 36 | private: |
|
38 | 37 | // From BarChartItem |
|
39 | 38 | virtual QVector<QRectF> calculateLayout(); |
|
40 | 39 | |
|
41 | 40 | private: |
|
42 | 41 | |
|
43 | 42 | // Data |
|
44 | 43 | }; |
|
45 | 44 | |
|
46 | 45 | QTCOMMERCIALCHART_END_NAMESPACE |
|
47 | 46 | |
|
48 | 47 | #endif // STACKEDBARCHARTITEM_H |
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