@@ -1,214 +1,207 | |||
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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" |
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22 | 22 | #include "bar_p.h" |
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23 | 23 | #include "qbarset.h" |
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24 | 24 | #include "qbarset_p.h" |
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25 | 25 | #include "qbarseries.h" |
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26 | 26 | #include "qbarseries_p.h" |
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27 | 27 | #include "qchart.h" |
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28 | 28 | #include "chartpresenter_p.h" |
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29 | 29 | #include "chartanimator_p.h" |
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30 | 30 | #include "chartdataset_p.h" |
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31 | 31 | #include <QPainter> |
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32 | 32 | |
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33 | 33 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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34 | 34 | |
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35 | 35 | BarChartItem::BarChartItem(QBarSeries *series, ChartPresenter *presenter) : |
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36 | 36 | ChartItem(presenter), |
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37 | 37 | m_series(series) |
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38 | 38 | { |
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39 | 39 | setFlag(ItemClipsChildrenToShape); |
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40 | 40 | connect(series->d_func(), SIGNAL(updatedBars()), this, SLOT(handleLayoutChanged())); |
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41 | connect(series->d_func(), SIGNAL(restructuredBars()), this, SLOT(handleModelChanged())); | |
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42 | 41 | connect(series->d_func(), SIGNAL(labelsVisibleChanged(bool)), this, SLOT(labelsVisibleChanged(bool))); |
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43 | 42 | setZValue(ChartPresenter::BarSeriesZValue); |
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44 | 43 | dataChanged(); |
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45 | 44 | } |
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46 | 45 | |
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47 | 46 | BarChartItem::~BarChartItem() |
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48 | 47 | { |
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49 | 48 | } |
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50 | 49 | |
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51 | 50 | void BarChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
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52 | 51 | { |
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53 | 52 | Q_UNUSED(painter); |
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54 | 53 | Q_UNUSED(option); |
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55 | 54 | Q_UNUSED(widget); |
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56 | 55 | } |
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57 | 56 | |
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58 | 57 | QRectF BarChartItem::boundingRect() const |
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59 | 58 | { |
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60 | 59 | return m_rect; |
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61 | 60 | } |
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62 | 61 | |
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63 | 62 | void BarChartItem::dataChanged() |
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64 | 63 | { |
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65 | 64 | foreach(QGraphicsItem *item, childItems()) { |
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66 | 65 | delete item; |
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67 | 66 | } |
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68 | 67 | |
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69 | 68 | m_bars.clear(); |
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70 | 69 | m_labels.clear(); |
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71 | 70 | m_layout.clear(); |
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72 | 71 | |
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73 | 72 | bool labelsVisible = m_series->isLabelsVisible(); |
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74 | 73 | |
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75 | 74 | // Create new graphic items for bars |
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76 | 75 | for (int c = 0; c < m_series->d_func()->categoryCount(); c++) { |
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77 | 76 | for (int s = 0; s < m_series->barsetCount(); s++) { |
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78 | 77 | QBarSet *set = m_series->d_func()->barsetAt(s); |
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79 | 78 | |
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80 | 79 | // Bars |
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81 | 80 | Bar *bar = new Bar(set,c,this); |
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82 | 81 | m_bars.append(bar); |
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83 | 82 | connect(bar, SIGNAL(clicked(QBarSet*,int)), m_series, SIGNAL(clicked(QBarSet*,int))); |
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84 | 83 | connect(bar, SIGNAL(hovered(QBarSet*,bool)), m_series, SIGNAL(hovered(QBarSet*,bool))); |
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85 | 84 | m_layout.append(QRectF(0, 0, 0, 0)); |
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86 | 85 | |
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87 | 86 | // Labels |
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88 | 87 | QGraphicsSimpleTextItem *label = new QGraphicsSimpleTextItem(this); |
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89 | 88 | label->setVisible(labelsVisible); |
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90 | 89 | m_labels.append(label); |
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91 | 90 | } |
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92 | 91 | } |
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93 | 92 | |
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94 | 93 | // TODO: Is this the right place to call it? |
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95 | 94 | // presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series)); |
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96 | 95 | } |
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97 | 96 | |
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98 | 97 | QVector<QRectF> BarChartItem::calculateLayout() |
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99 | 98 | { |
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100 | 99 | QVector<QRectF> layout; |
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101 | 100 | |
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102 | 101 | // Use temporary qreals for accuracy |
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103 | 102 | qreal categoryCount = m_series->d_func()->categoryCount(); |
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104 | 103 | qreal setCount = m_series->barsetCount(); |
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105 | 104 | bool barsVisible = m_series->isVisible(); |
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106 | 105 | |
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107 | 106 | // Domain: |
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108 | 107 | qreal width = geometry().width(); |
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109 | 108 | qreal height = geometry().height(); |
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110 | 109 | qreal rangeY = m_domainMaxY - m_domainMinY; |
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111 | 110 | qreal rangeX = m_domainMaxX - m_domainMinX; |
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112 | 111 | qreal scaleY = (height / rangeY); |
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113 | 112 | qreal scaleX = (width / rangeX); |
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114 | 113 | qreal barWidth = scaleX - scaleX * m_series->d_func()->barMargin(); |
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115 | 114 | |
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116 | 115 | int itemIndex(0); |
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117 | 116 | for (int category = 0; category < categoryCount; category++) { |
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118 | 117 | qreal yPos = height + scaleY * m_domainMinY + geometry().topLeft().y(); |
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119 | 118 | for (int set = 0; set < setCount; set++) { |
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120 | 119 | QBarSet* barSet = m_series->d_func()->barsetAt(set); |
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121 | 120 | qreal xPos = (barSet->at(category).x() - m_domainMinX) * scaleX + m_rect.left() - barWidth/2; |
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122 | 121 | qreal barHeight = barSet->at(category).y() * scaleY; |
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123 | 122 | |
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124 | 123 | Bar* bar = m_bars.at(itemIndex); |
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125 | 124 | QRectF rect(xPos, yPos - barHeight, barWidth, barHeight); |
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126 | 125 | |
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127 | 126 | layout.append(rect); |
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128 | 127 | bar->setPen(barSet->pen()); |
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129 | 128 | bar->setBrush(barSet->brush()); |
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130 | 129 | bar->setVisible(barsVisible); |
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131 | 130 | |
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132 | 131 | QGraphicsSimpleTextItem* label = m_labels.at(itemIndex); |
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133 | 132 | |
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134 | 133 | if (!qFuzzyIsNull(barSet->at(category).y())) { |
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135 | 134 | label->setText(QString::number(barSet->at(category).y())); |
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136 | 135 | } else { |
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137 | 136 | label->setText(QString("")); |
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138 | 137 | } |
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139 | 138 | |
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140 | 139 | label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2) |
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141 | 140 | ,yPos - barHeight/2 - label->boundingRect().height()/2); |
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142 | 141 | label->setFont(barSet->labelFont()); |
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143 | 142 | label->setBrush(barSet->labelBrush()); |
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144 | 143 | |
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145 | 144 | itemIndex++; |
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146 | 145 | } |
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147 | 146 | } |
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148 | 147 | |
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149 | 148 | return layout; |
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150 | 149 | } |
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151 | 150 | |
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152 | 151 | void BarChartItem::applyLayout(const QVector<QRectF> &layout) |
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153 | 152 | { |
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154 | 153 | if (animator()) |
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155 | 154 | animator()->updateLayout(this, m_layout, layout); |
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156 | 155 | else |
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157 | 156 | setLayout(layout); |
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158 | 157 | } |
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159 | 158 | |
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160 | 159 | void BarChartItem::setLayout(const QVector<QRectF> &layout) |
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161 | 160 | { |
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162 | 161 | m_layout = layout; |
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163 | 162 | |
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164 | 163 | for (int i=0; i < m_bars.count(); i++) |
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165 | 164 | m_bars.at(i)->setRect(layout.at(i)); |
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166 | 165 | |
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167 | 166 | update(); |
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168 | 167 | } |
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169 | 168 | //handlers |
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170 | 169 | |
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171 | void BarChartItem::handleModelChanged() | |
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172 | { | |
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173 | // dataChanged(); | |
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174 | presenter()->resetAllElements(); | |
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175 | } | |
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176 | ||
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177 | 170 | void BarChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY) |
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178 | 171 | { |
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179 | 172 | m_domainMinX = minX; |
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180 | 173 | m_domainMaxX = maxX; |
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181 | 174 | m_domainMinY = minY; |
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182 | 175 | m_domainMaxY = maxY; |
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183 | 176 | handleLayoutChanged(); |
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184 | 177 | } |
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185 | 178 | |
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186 | 179 | void BarChartItem::handleGeometryChanged(const QRectF &rect) |
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187 | 180 | { |
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188 | 181 | prepareGeometryChange(); |
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189 | 182 | m_rect = rect; |
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190 | 183 | handleLayoutChanged(); |
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191 | 184 | } |
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192 | 185 | |
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193 | 186 | void BarChartItem::handleLayoutChanged() |
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194 | 187 | { |
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195 | 188 | if ((m_rect.width() <= 0) || (m_rect.height() <= 0)) { |
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196 | 189 | // rect size zero. |
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197 | 190 | return; |
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198 | 191 | } |
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199 | 192 | QVector<QRectF> layout = calculateLayout(); |
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200 | 193 | applyLayout(layout); |
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201 | 194 | update(); |
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202 | 195 | } |
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203 | 196 | |
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204 | 197 | void BarChartItem::labelsVisibleChanged(bool visible) |
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205 | 198 | { |
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206 | 199 | foreach (QGraphicsSimpleTextItem* label, m_labels) { |
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207 | 200 | label->setVisible(visible); |
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208 | 201 | } |
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209 | 202 | update(); |
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210 | 203 | } |
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211 | 204 | |
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212 | 205 | #include "moc_barchartitem_p.cpp" |
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213 | 206 | |
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214 | 207 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,90 +1,89 | |||
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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 | |
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21 | 21 | // W A R N I N G |
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22 | 22 | // ------------- |
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23 | 23 | // |
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24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
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25 | 25 | // implementation detail. This header file may change from version to |
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26 | 26 | // version without notice, or even be removed. |
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27 | 27 | // |
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28 | 28 | // We mean it. |
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29 | 29 | |
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30 | 30 | |
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31 | 31 | #ifndef BARCHARTITEM_H |
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32 | 32 | #define BARCHARTITEM_H |
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33 | 33 | |
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34 | 34 | #include "chartitem_p.h" |
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35 | 35 | #include "qbarseries.h" |
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36 | 36 | #include <QPen> |
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37 | 37 | #include <QBrush> |
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38 | 38 | |
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39 | 39 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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40 | 40 | |
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41 | 41 | class Bar; |
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42 | 42 | class QAxisCategories; |
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43 | 43 | class QChart; |
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44 | 44 | |
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45 | 45 | class BarChartItem : public ChartItem |
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46 | 46 | { |
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47 | 47 | Q_OBJECT |
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48 | 48 | public: |
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49 | 49 | BarChartItem(QBarSeries *series, ChartPresenter *presenter); |
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50 | 50 | virtual ~BarChartItem(); |
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51 | 51 | |
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52 | 52 | public: |
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53 | 53 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
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54 | 54 | QRectF boundingRect() const; |
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55 | 55 | |
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56 | 56 | virtual void dataChanged(); // data of series has changed -> need to recalculate bar sizes |
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57 | 57 | |
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58 | 58 | virtual QVector<QRectF> calculateLayout(); |
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59 | 59 | void applyLayout(const QVector<QRectF> &layout); |
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60 | 60 | void setLayout(const QVector<QRectF> &layout); |
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61 | 61 | void updateLayout(const QVector<QRectF> &layout); |
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62 | 62 | |
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63 | 63 | QRectF geometry() const { return m_rect;} |
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64 | 64 | |
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65 | 65 | public Q_SLOTS: |
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66 | void handleModelChanged(); | |
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67 | 66 | void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY); |
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68 | 67 | void handleGeometryChanged(const QRectF &size); |
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69 | 68 | void handleLayoutChanged(); |
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70 | 69 | void labelsVisibleChanged(bool visible); |
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71 | 70 | |
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72 | 71 | protected: |
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73 | 72 | |
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74 | 73 | qreal m_domainMinX; |
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75 | 74 | qreal m_domainMaxX; |
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76 | 75 | qreal m_domainMinY; |
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77 | 76 | qreal m_domainMaxY; |
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78 | 77 | |
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79 | 78 | QRectF m_rect; |
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80 | 79 | QVector<QRectF> m_layout; |
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81 | 80 | |
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82 | 81 | // Not owned. |
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83 | 82 | QBarSeries *m_series; |
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84 | 83 | QList<Bar *> m_bars; |
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85 | 84 | QList<QGraphicsSimpleTextItem *> m_labels; |
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86 | 85 | }; |
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87 | 86 | |
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88 | 87 | QTCOMMERCIALCHART_END_NAMESPACE |
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89 | 88 | |
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90 | 89 | #endif // BARCHARTITEM_H |
@@ -1,562 +1,545 | |||
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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 | |
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21 | 21 | #include "qbarseries.h" |
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22 | 22 | #include "qbarseries_p.h" |
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23 | 23 | #include "qbarset.h" |
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24 | 24 | #include "qbarset_p.h" |
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25 | 25 | #include "domain_p.h" |
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26 | 26 | #include "legendmarker_p.h" |
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27 | 27 | #include "chartdataset_p.h" |
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28 | 28 | #include "charttheme_p.h" |
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29 | 29 | #include "chartanimator_p.h" |
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30 | 30 | |
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31 | 31 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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32 | 32 | |
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33 | 33 | /*! |
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34 | 34 | \class QBarSeries |
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35 | 35 | \brief part of QtCommercial chart API. |
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36 | 36 | \mainclass |
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37 | 37 | |
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38 | 38 | QBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars to |
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39 | 39 | the position defined by data. Single bar is defined by QPointF, where x value is the x-coordinate of the bar |
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40 | 40 | and y-value is the height of the bar. The category names are ignored with this series and x-axis |
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41 | 41 | shows the x-values. |
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42 | 42 | |
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43 | 43 | See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart. |
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44 | 44 | \image examples_barchart.png |
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45 | 45 | |
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46 | 46 | \sa QBarSet, QStackedBarSeries, QPercentBarSeries |
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47 | 47 | */ |
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48 | 48 | |
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49 | 49 | /*! |
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50 | 50 | \fn void QBarSeries::clicked(QBarSet *barset, int index) |
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51 | 51 | |
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52 | 52 | The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset. |
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53 | 53 | Clicked bar inside set is indexed by \a index |
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54 | 54 | */ |
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55 | 55 | |
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56 | 56 | /*! |
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57 | 57 | \fn void QBarSeries::hovered(QBarSet* barset, bool status) |
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58 | 58 | |
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59 | 59 | The signal is emitted if mouse is hovered on top of series. |
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60 | 60 | Parameter \a barset is the pointer of barset, where hover happened. |
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61 | 61 | Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series. |
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62 | 62 | */ |
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63 | 63 | |
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64 | 64 | /*! |
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65 | 65 | Constructs empty QBarSeries. |
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66 | 66 | QBarSeries is QObject which is a child of a \a parent. |
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67 | 67 | */ |
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68 | 68 | QBarSeries::QBarSeries(QObject *parent) : |
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69 | 69 | QAbstractSeries(*new QBarSeriesPrivate(this),parent) |
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70 | 70 | { |
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71 | 71 | } |
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72 | 72 | |
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73 | 73 | /*! |
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74 | 74 | Destructs barseries and owned barsets. |
|
75 | 75 | */ |
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76 | 76 | QBarSeries::~QBarSeries() |
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77 | 77 | { |
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78 | 78 | Q_D(QBarSeries); |
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79 | 79 | if(d->m_dataset){ |
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80 | 80 | d->m_dataset->removeSeries(this); |
|
81 | 81 | } |
|
82 | 82 | } |
|
83 | 83 | |
|
84 | 84 | /*! |
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85 | 85 | \internal |
|
86 | 86 | */ |
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87 | 87 | QBarSeries::QBarSeries(QBarSeriesPrivate &d, QObject *parent) : |
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88 | 88 | QAbstractSeries(d,parent) |
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89 | 89 | { |
|
90 | 90 | } |
|
91 | 91 | |
|
92 | 92 | /*! |
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93 | 93 | Returns the type of series. Derived classes override this. |
|
94 | 94 | */ |
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95 | 95 | QAbstractSeries::SeriesType QBarSeries::type() const |
|
96 | 96 | { |
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97 | 97 | return QAbstractSeries::SeriesTypeBar; |
|
98 | 98 | } |
|
99 | 99 | |
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100 | 100 | /*! |
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101 | 101 | Sets the margin around bars. Parameter \a margin is from 0 to 1 and represents |
|
102 | 102 | percentage of margin compared to bars |
|
103 | 103 | */ |
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104 | 104 | void QBarSeries::setBarMargin(qreal margin) |
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105 | 105 | { |
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106 | 106 | Q_D(QBarSeries); |
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107 | 107 | d->setBarMargin(margin); |
|
108 | 108 | } |
|
109 | 109 | |
|
110 | 110 | /*! |
|
111 | 111 | Returns the margin around bars |
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112 | 112 | */ |
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113 | 113 | qreal QBarSeries::barMargin() const |
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114 | 114 | { |
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115 | 115 | Q_D(const QBarSeries); |
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116 | 116 | return d->barMargin(); |
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117 | 117 | } |
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118 | 118 | |
|
119 | 119 | /*! |
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120 | 120 | Adds a set of bars to series. Takes ownership of \a set. If the set is null or is already in series, it won't be appended. |
|
121 | 121 | Returns true, if appending succeeded. |
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122 | 122 | |
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123 | 123 | */ |
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124 | 124 | bool QBarSeries::append(QBarSet *set) |
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125 | 125 | { |
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126 | 126 | Q_D(QBarSeries); |
|
127 | 127 | return d->append(set); |
|
128 | 128 | } |
|
129 | 129 | |
|
130 | 130 | /*! |
|
131 | 131 | Removes a set of bars from series. Releases ownership of \a set. Doesn't delete \a set. |
|
132 | 132 | Returns true, if set was removed. |
|
133 | 133 | */ |
|
134 | 134 | bool QBarSeries::remove(QBarSet *set) |
|
135 | 135 | { |
|
136 | 136 | Q_D(QBarSeries); |
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137 | 137 | return d->remove(set); |
|
138 | 138 | } |
|
139 | 139 | |
|
140 | 140 | /*! |
|
141 | 141 | Adds a list of barsets to series. Takes ownership of \a sets. |
|
142 | 142 | Returns true, if all sets were appended succesfully. If any of the sets is null or is already appended to series, |
|
143 | 143 | nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended |
|
144 | 144 | and function returns false. |
|
145 | 145 | */ |
|
146 | 146 | bool QBarSeries::append(QList<QBarSet* > sets) |
|
147 | 147 | { |
|
148 | 148 | Q_D(QBarSeries); |
|
149 | 149 | return d->append(sets); |
|
150 | 150 | } |
|
151 | 151 | |
|
152 | 152 | /*! |
|
153 | 153 | Removes a list of barsets from series. Releases ownership of \a sets. Doesn't delete \a sets. |
|
154 | 154 | */ |
|
155 | 155 | bool QBarSeries::remove(QList<QBarSet* > sets) |
|
156 | 156 | { |
|
157 | 157 | Q_D(QBarSeries); |
|
158 | 158 | return d->remove(sets); |
|
159 | 159 | } |
|
160 | 160 | |
|
161 | 161 | void QBarSeries::clear() |
|
162 | 162 | { |
|
163 | 163 | Q_D(QBarSeries); |
|
164 | 164 | d->m_barSets.clear(); |
|
165 | 165 | } |
|
166 | 166 | |
|
167 | 167 | /*! |
|
168 | 168 | Returns number of sets in series. |
|
169 | 169 | */ |
|
170 | 170 | int QBarSeries::barsetCount() const |
|
171 | 171 | { |
|
172 | 172 | Q_D(const QBarSeries); |
|
173 | 173 | return d->m_barSets.count(); |
|
174 | 174 | } |
|
175 | 175 | |
|
176 | 176 | /*! |
|
177 | 177 | Returns a list of sets in series. Keeps ownership of sets. |
|
178 | 178 | */ |
|
179 | 179 | QList<QBarSet*> QBarSeries::barSets() const |
|
180 | 180 | { |
|
181 | 181 | Q_D(const QBarSeries); |
|
182 | 182 | return d->m_barSets; |
|
183 | 183 | } |
|
184 | 184 | |
|
185 | 185 | /*! |
|
186 | 186 | Sets the visibility of series to \a visible |
|
187 | 187 | */ |
|
188 | 188 | void QBarSeries::setVisible(bool visible) |
|
189 | 189 | { |
|
190 | 190 | Q_D(QBarSeries); |
|
191 | 191 | d->setVisible(visible); |
|
192 | 192 | } |
|
193 | 193 | |
|
194 | 194 | /*! |
|
195 | 195 | Returns the visibility of series |
|
196 | 196 | */ |
|
197 | 197 | bool QBarSeries::isVisible() const |
|
198 | 198 | { |
|
199 | 199 | Q_D(const QBarSeries); |
|
200 | 200 | return d->isVisible(); |
|
201 | 201 | } |
|
202 | 202 | |
|
203 | 203 | /*! |
|
204 | 204 | Sets the visibility of labels in series to \a visible |
|
205 | 205 | */ |
|
206 | 206 | void QBarSeries::setLabelsVisible(bool visible) |
|
207 | 207 | { |
|
208 | 208 | Q_D(QBarSeries); |
|
209 | 209 | if (d->m_labelsVisible != visible) { |
|
210 | 210 | d->m_labelsVisible = visible; |
|
211 | 211 | emit d->labelsVisibleChanged(visible); |
|
212 | 212 | } |
|
213 | 213 | } |
|
214 | 214 | |
|
215 | 215 | /*! |
|
216 | 216 | Returns the visibility of labels |
|
217 | 217 | */ |
|
218 | 218 | bool QBarSeries::isLabelsVisible() const |
|
219 | 219 | { |
|
220 | 220 | Q_D(const QBarSeries); |
|
221 | 221 | return d->m_labelsVisible; |
|
222 | 222 | } |
|
223 | 223 | |
|
224 | 224 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
225 | 225 | |
|
226 | 226 | QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) : |
|
227 | 227 | QAbstractSeriesPrivate(q), |
|
228 | 228 | m_barMargin(0.5), // Default value is 50% of category width |
|
229 | 229 | m_labelsVisible(false), |
|
230 | 230 | m_visible(true) |
|
231 | 231 | { |
|
232 | 232 | } |
|
233 | 233 | |
|
234 | void QBarSeriesPrivate::setCategories(QStringList categories) | |
|
235 | { | |
|
236 | m_categories = categories; | |
|
237 | } | |
|
238 | ||
|
239 | void QBarSeriesPrivate::insertCategory(int index, const QString category) | |
|
240 | { | |
|
241 | m_categories.insert(index, category); | |
|
242 | emit categoriesUpdated(); | |
|
243 | } | |
|
244 | ||
|
245 | void QBarSeriesPrivate::removeCategory(int index) | |
|
246 | { | |
|
247 | m_categories.removeAt(index); | |
|
248 | emit categoriesUpdated(); | |
|
249 | } | |
|
250 | ||
|
251 | 234 | int QBarSeriesPrivate::categoryCount() const |
|
252 | 235 | { |
|
253 | 236 | if (m_categories.count() > 0) { |
|
254 | 237 | return m_categories.count(); |
|
255 | 238 | } |
|
256 | 239 | |
|
257 | 240 | // No categories defined. return count of longest set. |
|
258 | 241 | int count = 0; |
|
259 | 242 | for (int i=0; i<m_barSets.count(); i++) { |
|
260 | 243 | if (m_barSets.at(i)->count() > count) { |
|
261 | 244 | count = m_barSets.at(i)->count(); |
|
262 | 245 | } |
|
263 | 246 | } |
|
264 | 247 | |
|
265 | 248 | return count; |
|
266 | 249 | } |
|
267 | 250 | |
|
268 | 251 | QStringList QBarSeriesPrivate::categories() const |
|
269 | 252 | { |
|
270 | 253 | if (m_categories.count() > 0) { |
|
271 | 254 | return m_categories; |
|
272 | 255 | } |
|
273 | 256 | |
|
274 | 257 | // No categories defined. retun list of indices. |
|
275 | 258 | QStringList categories; |
|
276 | 259 | |
|
277 | 260 | int count = categoryCount(); |
|
278 | 261 | for (int i = 0; i < count; i++) { |
|
279 | 262 | categories.append(QString::number(i)); |
|
280 | 263 | } |
|
281 | 264 | return categories; |
|
282 | 265 | } |
|
283 | 266 | |
|
284 | 267 | void QBarSeriesPrivate::setBarMargin(qreal margin) |
|
285 | 268 | { |
|
286 | 269 | if (margin > 1.0) { |
|
287 | 270 | margin = 1.0; |
|
288 | 271 | } else if (margin < 0.0) { |
|
289 | 272 | margin = 0.0; |
|
290 | 273 | } |
|
291 | 274 | |
|
292 | 275 | m_barMargin = margin; |
|
293 | 276 | emit updatedBars(); |
|
294 | 277 | } |
|
295 | 278 | |
|
296 | 279 | qreal QBarSeriesPrivate::barMargin() const |
|
297 | 280 | { |
|
298 | 281 | return m_barMargin; |
|
299 | 282 | } |
|
300 | 283 | |
|
301 | 284 | QBarSet* QBarSeriesPrivate::barsetAt(int index) |
|
302 | 285 | { |
|
303 | 286 | return m_barSets.at(index); |
|
304 | 287 | } |
|
305 | 288 | |
|
306 | 289 | void QBarSeriesPrivate::setVisible(bool visible) |
|
307 | 290 | { |
|
308 | 291 | if (m_visible != visible) { |
|
309 | 292 | m_visible = visible; |
|
310 | 293 | emit updatedBars(); |
|
311 | 294 | } |
|
312 | 295 | } |
|
313 | 296 | |
|
314 | 297 | bool QBarSeriesPrivate::isVisible() const |
|
315 | 298 | { |
|
316 | 299 | return m_visible; |
|
317 | 300 | } |
|
318 | 301 | |
|
319 | 302 | QString QBarSeriesPrivate::categoryName(int category) |
|
320 | 303 | { |
|
321 | 304 | if ((category >= 0) && (category < m_categories.count())) { |
|
322 | 305 | return m_categories.at(category); |
|
323 | 306 | } |
|
324 | 307 | |
|
325 | 308 | return QString::number(category); |
|
326 | 309 | } |
|
327 | 310 | |
|
328 | 311 | qreal QBarSeriesPrivate::min() |
|
329 | 312 | { |
|
330 | 313 | if (m_barSets.count() <= 0) { |
|
331 | 314 | return 0; |
|
332 | 315 | } |
|
333 | 316 | qreal min = INT_MAX; |
|
334 | 317 | |
|
335 | 318 | for (int i = 0; i < m_barSets.count(); i++) { |
|
336 | 319 | int categoryCount = m_barSets.at(i)->count(); |
|
337 | 320 | for (int j = 0; j < categoryCount; j++) { |
|
338 | 321 | qreal temp = m_barSets.at(i)->at(j).y(); |
|
339 | 322 | if (temp < min) |
|
340 | 323 | min = temp; |
|
341 | 324 | } |
|
342 | 325 | } |
|
343 | 326 | return min; |
|
344 | 327 | } |
|
345 | 328 | |
|
346 | 329 | qreal QBarSeriesPrivate::max() |
|
347 | 330 | { |
|
348 | 331 | if (m_barSets.count() <= 0) { |
|
349 | 332 | return 0; |
|
350 | 333 | } |
|
351 | 334 | qreal max = INT_MIN; |
|
352 | 335 | |
|
353 | 336 | for (int i = 0; i < m_barSets.count(); i++) { |
|
354 | 337 | int categoryCount = m_barSets.at(i)->count(); |
|
355 | 338 | for (int j = 0; j < categoryCount; j++) { |
|
356 | 339 | qreal temp = m_barSets.at(i)->at(j).y(); |
|
357 | 340 | if (temp > max) |
|
358 | 341 | max = temp; |
|
359 | 342 | } |
|
360 | 343 | } |
|
361 | 344 | |
|
362 | 345 | return max; |
|
363 | 346 | } |
|
364 | 347 | |
|
365 | 348 | qreal QBarSeriesPrivate::valueAt(int set, int category) |
|
366 | 349 | { |
|
367 | 350 | if ((set < 0) || (set >= m_barSets.count())) { |
|
368 | 351 | // No set, no value. |
|
369 | 352 | return 0; |
|
370 | 353 | } else if ((category < 0) || (category >= m_barSets.at(set)->count())) { |
|
371 | 354 | // No category, no value. |
|
372 | 355 | return 0; |
|
373 | 356 | } |
|
374 | 357 | |
|
375 | 358 | return m_barSets.at(set)->at(category).y(); |
|
376 | 359 | } |
|
377 | 360 | |
|
378 | 361 | qreal QBarSeriesPrivate::percentageAt(int set, int category) |
|
379 | 362 | { |
|
380 | 363 | if ((set < 0) || (set >= m_barSets.count())) { |
|
381 | 364 | // No set, no value. |
|
382 | 365 | return 0; |
|
383 | 366 | } else if ((category < 0) || (category >= m_barSets.at(set)->count())) { |
|
384 | 367 | // No category, no value. |
|
385 | 368 | return 0; |
|
386 | 369 | } |
|
387 | 370 | |
|
388 | 371 | qreal value = m_barSets.at(set)->at(category).y(); |
|
389 | 372 | qreal sum = categorySum(category); |
|
390 | 373 | if ( qFuzzyIsNull(sum) ) { |
|
391 | 374 | return 0; |
|
392 | 375 | } |
|
393 | 376 | |
|
394 | 377 | return value / sum; |
|
395 | 378 | } |
|
396 | 379 | |
|
397 | 380 | qreal QBarSeriesPrivate::categorySum(int category) |
|
398 | 381 | { |
|
399 | 382 | qreal sum(0); |
|
400 | 383 | int count = m_barSets.count(); // Count sets |
|
401 | 384 | for (int set = 0; set < count; set++) { |
|
402 | 385 | if (category < m_barSets.at(set)->count()) |
|
403 | 386 | sum += m_barSets.at(set)->at(category).y(); |
|
404 | 387 | } |
|
405 | 388 | return sum; |
|
406 | 389 | } |
|
407 | 390 | |
|
408 | 391 | qreal QBarSeriesPrivate::absoluteCategorySum(int category) |
|
409 | 392 | { |
|
410 | 393 | qreal sum(0); |
|
411 | 394 | int count = m_barSets.count(); // Count sets |
|
412 | 395 | for (int set = 0; set < count; set++) { |
|
413 | 396 | if (category < m_barSets.at(set)->count()) |
|
414 | 397 | sum += qAbs(m_barSets.at(set)->at(category).y()); |
|
415 | 398 | } |
|
416 | 399 | return sum; |
|
417 | 400 | } |
|
418 | 401 | |
|
419 | 402 | qreal QBarSeriesPrivate::maxCategorySum() |
|
420 | 403 | { |
|
421 | 404 | qreal max = INT_MIN; |
|
422 | 405 | int count = categoryCount(); |
|
423 | 406 | for (int i = 0; i < count; i++) { |
|
424 | 407 | qreal sum = categorySum(i); |
|
425 | 408 | if (sum > max) |
|
426 | 409 | max = sum; |
|
427 | 410 | } |
|
428 | 411 | return max; |
|
429 | 412 | } |
|
430 | 413 | |
|
431 | 414 | void QBarSeriesPrivate::barsetChanged() |
|
432 | 415 | { |
|
433 | 416 | emit updatedBars(); |
|
434 | 417 | } |
|
435 | 418 | |
|
436 | 419 | void QBarSeriesPrivate::scaleDomain(Domain& domain) |
|
437 | 420 | { |
|
438 | 421 | qreal minX(domain.minX()); |
|
439 | 422 | qreal minY(domain.minY()); |
|
440 | 423 | qreal maxX(domain.maxX()); |
|
441 | 424 | qreal maxY(domain.maxY()); |
|
442 | 425 | int tickXCount(domain.tickXCount()); |
|
443 | 426 | int tickYCount(domain.tickYCount()); |
|
444 | 427 | |
|
445 | 428 | qreal x = categoryCount(); |
|
446 | 429 | qreal y = max(); |
|
447 | 430 | minX = qMin(minX, x) - 0.5; |
|
448 | 431 | minY = qMin(minY, y); |
|
449 | 432 | maxX = qMax(maxX, x) - 0.5; |
|
450 | 433 | maxY = qMax(maxY, y); |
|
451 | 434 | tickXCount = x+1; |
|
452 | 435 | |
|
453 | 436 | domain.setRange(minX,maxX,minY,maxY,tickXCount,tickYCount); |
|
454 | 437 | } |
|
455 | 438 | |
|
456 | 439 | Chart* QBarSeriesPrivate::createGraphics(ChartPresenter* presenter) |
|
457 | 440 | { |
|
458 | 441 | Q_Q(QBarSeries); |
|
459 | 442 | |
|
460 | 443 | BarChartItem* bar = new BarChartItem(q,presenter); |
|
461 | 444 | if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) { |
|
462 | 445 | presenter->animator()->addAnimation(bar); |
|
463 | 446 | } |
|
464 | 447 | presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q)); |
|
465 | 448 | return bar; |
|
466 | 449 | |
|
467 | 450 | } |
|
468 | 451 | |
|
469 | 452 | QList<LegendMarker*> QBarSeriesPrivate::createLegendMarker(QLegend* legend) |
|
470 | 453 | { |
|
471 | 454 | Q_Q(QBarSeries); |
|
472 | 455 | QList<LegendMarker*> markers; |
|
473 | 456 | foreach(QBarSet* set, q->barSets()) { |
|
474 | 457 | BarLegendMarker* marker = new BarLegendMarker(q,set,legend); |
|
475 | 458 | markers << marker; |
|
476 | 459 | } |
|
477 | 460 | |
|
478 | 461 | return markers; |
|
479 | 462 | } |
|
480 | 463 | |
|
481 | 464 | bool QBarSeriesPrivate::append(QBarSet *set) |
|
482 | 465 | { |
|
483 | 466 | Q_Q(QBarSeries); |
|
484 | 467 | if ((m_barSets.contains(set)) || (set == 0)) { |
|
485 | 468 | // Fail if set is already in list or set is null. |
|
486 | 469 | return false; |
|
487 | 470 | } |
|
488 | 471 | m_barSets.append(set); |
|
489 | 472 | QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SLOT(barsetChanged())); |
|
490 | 473 | if (m_dataset) { |
|
491 | 474 | m_dataset->updateSeries(q); // this notifies legend |
|
492 | 475 | } |
|
493 | emit restructuredBars(); // this notifies barchartitem | |
|
476 | // emit restructuredBars(); // this notifies barchartitem | |
|
494 | 477 | return true; |
|
495 | 478 | } |
|
496 | 479 | |
|
497 | 480 | bool QBarSeriesPrivate::remove(QBarSet *set) |
|
498 | 481 | { |
|
499 | 482 | Q_Q(QBarSeries); |
|
500 | 483 | if (!m_barSets.contains(set)) { |
|
501 | 484 | // Fail if set is not in list |
|
502 | 485 | return false; |
|
503 | 486 | } |
|
504 | 487 | m_barSets.removeOne(set); |
|
505 | 488 | QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SLOT(barsetChanged())); |
|
506 | 489 | if (m_dataset) { |
|
507 | 490 | m_dataset->updateSeries(q); // this notifies legend |
|
508 | 491 | } |
|
509 | emit restructuredBars(); // this notifies barchartitem | |
|
492 | // emit restructuredBars(); // this notifies barchartitem | |
|
510 | 493 | return true; |
|
511 | 494 | } |
|
512 | 495 | |
|
513 | 496 | bool QBarSeriesPrivate::append(QList<QBarSet* > sets) |
|
514 | 497 | { |
|
515 | 498 | Q_Q(QBarSeries); |
|
516 | 499 | foreach (QBarSet* set, sets) { |
|
517 | 500 | if ((set == 0) || (m_barSets.contains(set))) { |
|
518 | 501 | // Fail if any of the sets is null or is already appended. |
|
519 | 502 | return false; |
|
520 | 503 | } |
|
521 | 504 | if (sets.count(set) != 1) { |
|
522 | 505 | // Also fail if same set is more than once in given list. |
|
523 | 506 | return false; |
|
524 | 507 | } |
|
525 | 508 | } |
|
526 | 509 | |
|
527 | 510 | foreach (QBarSet* set, sets) { |
|
528 | 511 | m_barSets.append(set); |
|
529 | 512 | QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SLOT(barsetChanged())); |
|
530 | 513 | } |
|
531 | 514 | if (m_dataset) { |
|
532 | 515 | m_dataset->updateSeries(q); // this notifies legend |
|
533 | 516 | } |
|
534 | emit restructuredBars(); // this notifies barchartitem | |
|
517 | // emit restructuredBars(); // this notifies barchartitem | |
|
535 | 518 | return true; |
|
536 | 519 | } |
|
537 | 520 | |
|
538 | 521 | bool QBarSeriesPrivate::remove(QList<QBarSet* > sets) |
|
539 | 522 | { |
|
540 | 523 | Q_Q(QBarSeries); |
|
541 | 524 | bool setsRemoved = false; |
|
542 | 525 | foreach (QBarSet* set, sets) { |
|
543 | 526 | if (m_barSets.contains(set)) { |
|
544 | 527 | m_barSets.removeOne(set); |
|
545 | 528 | QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SLOT(barsetChanged())); |
|
546 | 529 | setsRemoved = true; |
|
547 | 530 | } |
|
548 | 531 | } |
|
549 | 532 | |
|
550 | 533 | if (setsRemoved) { |
|
551 | 534 | if (m_dataset) { |
|
552 | 535 | m_dataset->updateSeries(q); // this notifies legend |
|
553 | 536 | } |
|
554 | emit restructuredBars(); // this notifies barchartitem | |
|
537 | // emit restructuredBars(); // this notifies barchartitem | |
|
555 | 538 | } |
|
556 | 539 | return setsRemoved; |
|
557 | 540 | } |
|
558 | 541 | |
|
559 | 542 | #include "moc_qbarseries.cpp" |
|
560 | 543 | #include "moc_qbarseries_p.cpp" |
|
561 | 544 | |
|
562 | 545 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,102 +1,99 | |||
|
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 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef QBARSERIES_P_H |
|
31 | 31 | #define QBARSERIES_P_H |
|
32 | 32 | |
|
33 | 33 | #include "qbarseries.h" |
|
34 | 34 | #include "qabstractseries_p.h" |
|
35 | 35 | #include <QStringList> |
|
36 | 36 | #include <QAbstractSeries> |
|
37 | 37 | |
|
38 | 38 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
39 | 39 | |
|
40 | 40 | class QBarModelMapper; |
|
41 | 41 | |
|
42 | 42 | class QBarSeriesPrivate : public QAbstractSeriesPrivate |
|
43 | 43 | { |
|
44 | 44 | Q_OBJECT |
|
45 | 45 | public: |
|
46 | 46 | QBarSeriesPrivate(QBarSeries *parent); |
|
47 | 47 | // TODO: refactor/remove private category stuff |
|
48 | void setCategories(QStringList categories); | |
|
49 | void insertCategory(int index, const QString category); | |
|
50 | void removeCategory(int index); | |
|
51 | 48 | int categoryCount() const; |
|
52 | 49 | QStringList categories() const; |
|
53 | 50 | |
|
54 | 51 | void setBarMargin(qreal margin); |
|
55 | 52 | qreal barMargin() const; |
|
56 | 53 | |
|
57 | 54 | void setVisible(bool visible); |
|
58 | 55 | bool isVisible() const; |
|
59 | 56 | |
|
60 | 57 | void scaleDomain(Domain& domain); |
|
61 | 58 | Chart* createGraphics(ChartPresenter* presenter); |
|
62 | 59 | QList<LegendMarker*> createLegendMarker(QLegend* legend); |
|
63 | 60 | |
|
64 | 61 | bool append(QBarSet *set); |
|
65 | 62 | bool remove(QBarSet *set); |
|
66 | 63 | bool append(QList<QBarSet* > sets); |
|
67 | 64 | bool remove(QList<QBarSet* > sets); |
|
68 | 65 | |
|
69 | 66 | QBarSet* barsetAt(int index); |
|
70 | 67 | QString categoryName(int category); |
|
71 | 68 | qreal min(); |
|
72 | 69 | qreal max(); |
|
73 | 70 | qreal valueAt(int set, int category); |
|
74 | 71 | qreal percentageAt(int set, int category); |
|
75 | 72 | qreal categorySum(int category); |
|
76 | 73 | qreal absoluteCategorySum(int category); |
|
77 | 74 | qreal maxCategorySum(); |
|
78 | 75 | |
|
79 | 76 | Q_SIGNALS: |
|
80 | 77 | void clicked(QBarSet *barset, int index); |
|
81 | 78 | void updatedBars(); |
|
82 | void restructuredBars(); | |
|
83 | void categoriesUpdated(); | |
|
79 | // void restructuredBars(); | |
|
80 | // void categoriesUpdated(); | |
|
84 | 81 | void labelsVisibleChanged(bool visible); |
|
85 | 82 | |
|
86 | 83 | private Q_SLOTS: |
|
87 | 84 | void barsetChanged(); |
|
88 | 85 | |
|
89 | 86 | protected: |
|
90 | 87 | QList<QBarSet *> m_barSets; |
|
91 | 88 | QStringList m_categories; |
|
92 | 89 | qreal m_barMargin; |
|
93 | 90 | bool m_labelsVisible; |
|
94 | 91 | bool m_visible; |
|
95 | 92 | |
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96 | 93 | private: |
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97 | 94 | Q_DECLARE_PUBLIC(QBarSeries) |
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98 | 95 | }; |
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99 | 96 | |
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100 | 97 | QTCOMMERCIALCHART_END_NAMESPACE |
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101 | 98 | |
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102 | 99 | #endif // QBARSERIESPRIVATE_P_H |
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