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1 | 1 | #include "chartdataset_p.h" |
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2 | 2 | #include "qchartaxis.h" |
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3 | 3 | //series |
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4 | 4 | #include "qlineseries.h" |
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5 | 5 | #include "qbarseries.h" |
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6 | 6 | #include "qstackedbarseries.h" |
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7 | 7 | #include "qpercentbarseries.h" |
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8 | 8 | #include "qpieseries.h" |
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9 | 9 | #include "qscatterseries.h" |
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10 | 10 | |
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11 | 11 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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12 | 12 | |
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13 | 13 | ChartDataSet::ChartDataSet(QObject *parent):QObject(parent), |
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14 | 14 | m_axisX(new QChartAxis(this)), |
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15 | 15 | m_axisY(new QChartAxis(this)), |
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16 | 16 | m_domainIndex(0), |
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17 | 17 | m_axisXInitialized(false) |
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18 | 18 | { |
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19 | 19 | } |
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20 | 20 | |
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21 | 21 | ChartDataSet::~ChartDataSet() |
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22 | 22 | { |
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23 | 23 | // TODO Auto-generated destructor stub |
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24 | 24 | } |
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25 | 25 | |
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26 | 26 | const Domain ChartDataSet::domain(QChartAxis *axisY) const |
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27 | 27 | { |
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28 | 28 | int i = m_domainMap.count(axisY); |
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29 | 29 | if(i == 0){ |
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30 | 30 | return Domain(); |
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31 | 31 | } |
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32 | 32 | i = i - m_domainIndex -1; |
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33 | 33 | return m_domainMap.values(axisY).at(i); |
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34 | 34 | } |
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35 | 35 | |
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36 | 36 | void ChartDataSet::addSeries(QSeries* series, QChartAxis *axisY) |
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37 | 37 | { |
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38 | 38 | // TODO: we should check the series not already added |
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39 | 39 | |
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40 | 40 | series->setParent(this); // take ownership |
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41 | 41 | clearDomains(); |
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42 | 42 | |
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43 | 43 | if(axisY==0) axisY = m_axisY; |
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44 | 44 | axisY->setParent(this); // take ownership |
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45 | 45 | |
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46 | 46 | QList<QSeries*> seriesList = m_seriesMap.values(axisY); |
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47 | 47 | |
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48 | 48 | QList<Domain> domainList = m_domainMap.values(axisY); |
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49 | 49 | |
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50 | 50 | Q_ASSERT(domainList.size()<=1); |
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51 | 51 | |
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52 | 52 | Domain domain; |
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53 | 53 | |
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54 | 54 | if(domainList.size()>0) domain = domainList.at(0); |
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55 | 55 | |
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56 | 56 | switch(series->type()) |
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57 | 57 | { |
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58 | 58 | case QSeries::SeriesTypeLine: { |
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59 | 59 | |
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60 | 60 | QLineSeries* xyseries = static_cast<QLineSeries*>(series); |
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61 | 61 | |
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62 | 62 | for (int i = 0; i < xyseries->count(); i++) |
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63 | 63 | { |
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64 | 64 | qreal x = xyseries->x(i); |
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65 | 65 | qreal y = xyseries->y(i); |
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66 | 66 | domain.m_minX = qMin(domain.m_minX,x); |
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67 | 67 | domain.m_minY = qMin(domain.m_minY,y); |
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68 | 68 | domain.m_maxX = qMax(domain.m_maxX,x); |
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69 | 69 | domain.m_maxY = qMax(domain.m_maxY,y); |
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70 | 70 | } |
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71 | 71 | break; |
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72 | 72 | } |
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73 | 73 | case QSeries::SeriesTypeBar: { |
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74 | 74 | qDebug() << "QChartSeries::SeriesTypeBar"; |
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75 | 75 | QBarSeries* barSeries = static_cast<QBarSeries*>(series); |
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76 | 76 | qreal x = barSeries->categoryCount(); |
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77 | 77 | qreal y = barSeries->max(); |
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78 | 78 | domain.m_minX = qMin(domain.m_minX,x); |
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79 | 79 | domain.m_minY = qMin(domain.m_minY,y); |
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80 | 80 | domain.m_maxX = qMax(domain.m_maxX,x); |
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81 | 81 | domain.m_maxY = qMax(domain.m_maxY,y); |
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82 | 82 | break; |
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83 | 83 | } |
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84 | 84 | case QSeries::SeriesTypeStackedBar: { |
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85 | 85 | qDebug() << "QChartSeries::SeriesTypeStackedBar"; |
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86 | 86 | |
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87 | 87 | QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series); |
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88 | 88 | qreal x = stackedBarSeries->categoryCount(); |
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89 | 89 | qreal y = stackedBarSeries->maxCategorySum(); |
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90 | 90 | domain.m_minX = qMin(domain.m_minX,x); |
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91 | 91 | domain.m_minY = qMin(domain.m_minY,y); |
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92 | 92 | domain.m_maxX = qMax(domain.m_maxX,x); |
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93 | 93 | domain.m_maxY = qMax(domain.m_maxY,y); |
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94 | 94 | break; |
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95 | 95 | } |
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96 | 96 | case QSeries::SeriesTypePercentBar: { |
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97 | 97 | qDebug() << "QChartSeries::SeriesTypePercentBar"; |
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98 | 98 | |
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99 | 99 | QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series); |
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100 | 100 | qreal x = percentBarSeries->categoryCount(); |
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101 | 101 | domain.m_minX = qMin(domain.m_minX,x); |
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102 | 102 | domain.m_minY = 0; |
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103 | 103 | domain.m_maxX = qMax(domain.m_maxX,x); |
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104 | 104 | domain.m_maxY = 100; |
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105 | 105 | break; |
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106 | 106 | } |
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107 | 107 | |
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108 | 108 | case QSeries::SeriesTypePie: { |
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109 | 109 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
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110 | 110 | // TODO: domain stuff |
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111 | 111 | break; |
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112 | 112 | } |
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113 | 113 | |
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114 | 114 | case QSeries::SeriesTypeScatter: { |
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115 | 115 | QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series); |
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116 | 116 | Q_ASSERT(scatterSeries); |
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117 | 117 | foreach (QPointF point, scatterSeries->data()) { |
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118 | 118 | domain.m_minX = qMin(domain.m_minX, point.x()); |
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119 | 119 | domain.m_maxX = qMax(domain.m_maxX, point.x()); |
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120 | 120 | domain.m_minY = qMin(domain.m_minY, point.y()); |
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121 | 121 | domain.m_maxY = qMax(domain.m_maxY, point.y()); |
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122 | 122 | } |
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123 | 123 | break; |
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124 | 124 | } |
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125 | 125 | |
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126 | 126 | default: { |
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127 | 127 | qDebug()<<__FUNCTION__<<"type" << series->type()<<"not supported"; |
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128 | 128 | return; |
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129 | 129 | break; |
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130 | 130 | } |
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131 | 131 | |
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132 | 132 | } |
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133 | 133 | |
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134 | 134 | if(!m_domainMap.contains(axisY)) |
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135 | 135 | { |
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136 | 136 | emit axisAdded(axisY); |
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137 | 137 | QObject::connect(axisY,SIGNAL(rangeChanged(QChartAxis*)),this,SLOT(handleRangeChanged(QChartAxis*))); |
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138 | 138 | QObject::connect(axisY,SIGNAL(ticksChanged(QChartAxis*)),this,SLOT(handleTickChanged(QChartAxis*))); |
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139 | 139 | } |
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140 | 140 | |
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141 | 141 | if(!m_axisXInitialized) |
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142 | 142 | { |
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143 | 143 | emit axisAdded(axisX()); |
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144 | 144 | QObject::connect(axisX(),SIGNAL(rangeChanged(QChartAxis*)),this,SLOT(handleRangeChanged(QChartAxis*))); |
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145 | 145 | QObject::connect(axisX(),SIGNAL(ticksChanged(QChartAxis*)),this,SLOT(handleTickChanged(QChartAxis*))); |
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146 | 146 | m_axisXInitialized=true; |
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147 | 147 | } |
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148 | 148 | |
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149 | 149 | m_domainMap.replace(axisY,domain); |
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150 | 150 | m_seriesMap.insert(axisY,series); |
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151 | 151 | emit seriesAdded(series); |
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152 | 152 | setDomain(m_domainIndex); |
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153 | 153 | |
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154 | 154 | } |
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155 | 155 | |
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156 | 156 | void ChartDataSet::removeSeries(QSeries* series) |
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157 | 157 | { |
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158 | 158 | QList<QChartAxis*> keys = m_seriesMap.uniqueKeys(); |
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159 | 159 | foreach(QChartAxis* axis , keys) { |
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160 | 160 | if(m_seriesMap.contains(axis,series)){ |
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161 | 161 | emit seriesRemoved(series); |
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162 | 162 | m_seriesMap.remove(axis,series); |
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163 | 163 | //remove axis if no longer there |
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164 | 164 | if(!m_seriesMap.contains(axis)){ |
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165 | 165 | emit axisRemoved(axis); |
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166 | 166 | m_domainMap.remove(axis); |
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167 | 167 | if(axis != m_axisY) |
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168 | 168 | delete axis; |
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169 | 169 | } |
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170 | 170 | series->setParent(0); |
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171 | 171 | break; |
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172 | 172 | } |
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173 | 173 | } |
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174 | 174 | } |
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175 | 175 | |
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176 | 176 | void ChartDataSet::removeAllSeries() |
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177 | 177 | { |
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178 | 178 | QList<QChartAxis*> keys = m_seriesMap.uniqueKeys(); |
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179 | 179 | foreach(QChartAxis* axis , keys) { |
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180 | 180 | QList<QSeries*> seriesList = m_seriesMap.values(axis); |
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181 | 181 | for(int i =0 ; i < seriesList.size();i++ ) |
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182 | 182 | { |
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183 | 183 | emit seriesRemoved(seriesList.at(i)); |
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184 | 184 | delete(seriesList.at(i)); |
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185 | 185 | } |
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186 | 186 | m_seriesMap.remove(axis); |
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187 | 187 | m_domainMap.remove(axis); |
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188 | 188 | emit axisRemoved(axis); |
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189 | 189 | if(axis != m_axisY) delete axis; |
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190 | 190 | } |
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191 | 191 | m_domainIndex=0; |
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192 | 192 | } |
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193 | 193 | |
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194 | 194 | bool ChartDataSet::nextDomain() |
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195 | 195 | { |
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196 | 196 | int limit = (m_domainMap.values().size()/m_domainMap.uniqueKeys().size())-1; |
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197 | 197 | |
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198 | 198 | if (m_domainIndex < limit) { |
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199 | 199 | m_domainIndex++; |
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200 | 200 | setDomain(m_domainIndex); |
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201 | 201 | return true; |
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202 | 202 | } |
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203 | 203 | else { |
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204 | 204 | return false; |
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205 | 205 | } |
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206 | 206 | } |
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207 | 207 | |
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208 | 208 | bool ChartDataSet::previousDomain() |
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209 | 209 | { |
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210 | 210 | if (m_domainIndex > 0) { |
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211 | 211 | m_domainIndex--; |
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212 | 212 | setDomain(m_domainIndex); |
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213 | 213 | return true; |
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214 | 214 | } |
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215 | 215 | else { |
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216 | 216 | return false; |
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217 | 217 | } |
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218 | 218 | } |
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219 | 219 | |
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220 | 220 | void ChartDataSet::setDomain(int index) |
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221 | 221 | { |
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222 | 222 | QList<QChartAxis*> domainList = m_domainMap.uniqueKeys(); |
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223 | 223 | |
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224 | 224 | if(domainList.count()==0) return; |
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225 | 225 | |
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226 | 226 | Domain domain; |
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227 | 227 | |
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228 | 228 | foreach (QChartAxis* axis , domainList) { |
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229 | 229 | int i = m_domainMap.count(axis) - index -1; |
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230 | 230 | Q_ASSERT(i>=0); |
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231 | 231 | domain = m_domainMap.values(axis).at(i); |
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232 | 232 | QStringList labels = createLabels(axis,domain.m_minY,domain.m_maxY); |
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233 | 233 | QList<QSeries*> seriesList = m_seriesMap.values(axis); |
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234 | 234 | foreach(QSeries* series, seriesList) { |
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235 | 235 | emit seriesDomainChanged(series,domain); |
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236 | 236 | } |
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237 |
axis-> |
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237 | axis->updateRange(domain.m_minY,domain.m_maxY); | |
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238 | 238 | emit axisRangeChanged(axis,labels); |
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239 | 239 | |
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240 | 240 | } |
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241 | 241 | |
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242 | 242 | QStringList labels = createLabels(axisX(),domain.m_minX,domain.m_maxX); |
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243 |
axisX()-> |
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243 | axisX()->updateRange(domain.m_minX,domain.m_maxY); | |
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244 | 244 | emit axisRangeChanged(axisX(),labels); |
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245 | 245 | } |
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246 | 246 | |
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247 | 247 | void ChartDataSet::clearDomains(int toIndex) |
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248 | 248 | { |
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249 | 249 | Q_ASSERT(toIndex>=0); |
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250 | 250 | |
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251 | 251 | m_domainIndex = toIndex; |
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252 | 252 | |
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253 | 253 | QList<QChartAxis*> keys = m_domainMap.uniqueKeys(); |
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254 | 254 | |
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255 | 255 | foreach (QChartAxis* key , keys) |
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256 | 256 | { |
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257 | 257 | QList<Domain> domains = m_domainMap.values(key); |
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258 | 258 | m_domainMap.remove(key); |
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259 | 259 | int i = domains.size() - toIndex - 1; |
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260 | 260 | while(i--){ |
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261 | 261 | domains.removeFirst(); |
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262 | 262 | } |
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263 | 263 | for(int j=domains.size()-1; j>=0 ;j--) |
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264 | 264 | m_domainMap.insert(key,domains.at(j)); |
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265 | 265 | } |
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266 | 266 | } |
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267 | 267 | |
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268 | 268 | void ChartDataSet::addDomain(const QRectF& rect, const QRectF& viewport) |
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269 | 269 | { |
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270 | 270 | Q_ASSERT(rect.isValid()); |
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271 | 271 | Q_ASSERT(viewport.isValid()); |
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272 | 272 | |
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273 | 273 | clearDomains(m_domainIndex); |
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274 | 274 | |
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275 | 275 | QList<QChartAxis*> domainList = m_domainMap.uniqueKeys(); |
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276 | 276 | |
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277 | 277 | Domain domain; |
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278 | 278 | |
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279 | 279 | foreach (QChartAxis* axis , domainList){ |
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280 | 280 | domain = m_domainMap.value(axis).subDomain(rect,viewport.width(),viewport.height()); |
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281 | 281 | m_domainMap.insert(axis,domain); |
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282 | 282 | } |
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283 | 283 | |
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284 | 284 | setDomain(++m_domainIndex); |
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285 | 285 | } |
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286 | 286 | |
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287 | 287 | QChartAxis* ChartDataSet::axisY(QSeries* series) const |
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288 | 288 | { |
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289 | 289 | if(series == 0) return m_axisY; |
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290 | 290 | |
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291 | 291 | QList<QChartAxis*> keys = m_seriesMap.uniqueKeys(); |
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292 | 292 | |
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293 | 293 | foreach(QChartAxis* axis , keys) { |
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294 | 294 | if(m_seriesMap.contains(axis,series)){ |
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295 | 295 | return axis; |
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296 | 296 | } |
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297 | 297 | } |
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298 | 298 | return 0; |
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299 | 299 | } |
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300 | 300 | |
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301 | 301 | QStringList ChartDataSet::createLabels(QChartAxis* axis,qreal min, qreal max) |
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302 | 302 | { |
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303 | 303 | Q_ASSERT(max>=min); |
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304 | 304 | |
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305 | 305 | QStringList labels; |
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306 | 306 | |
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307 | 307 | int ticks = axis->ticksCount()-1; |
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308 | 308 | |
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309 | 309 | for(int i=0; i<= ticks; i++){ |
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310 | 310 | qreal value = min + (i * (max - min)/ ticks); |
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311 | 311 | QString label = axis->axisTickLabel(value); |
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312 | 312 | if(label.isEmpty()){ |
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313 | 313 | labels << QString::number(value); |
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314 | 314 | }else{ |
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315 | 315 | labels << label; |
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316 | 316 | } |
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317 | 317 | } |
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318 | 318 | return labels; |
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319 | 319 | } |
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320 | 320 | |
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321 | 321 | |
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322 | 322 | void ChartDataSet::handleRangeChanged(QChartAxis* axis) |
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323 | 323 | { |
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324 | 324 | qreal min = axis->min(); |
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325 | 325 | qreal max = axis->max(); |
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326 | 326 | |
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327 | 327 | if(axis==axisX()) { |
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328 | 328 | |
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329 | 329 | m_domainIndex=0; |
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330 | 330 | |
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331 | 331 | clearDomains(m_domainIndex); |
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332 | 332 | |
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333 | 333 | QList<QChartAxis*> domainList = m_domainMap.uniqueKeys(); |
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334 | 334 | |
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335 | 335 | foreach (QChartAxis* axis , domainList) { |
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336 | 336 | |
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337 | 337 | Q_ASSERT(m_domainMap.values(axis).size()==1); |
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338 | 338 | |
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339 | 339 | Domain domain = m_domainMap.value(axis); |
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340 | 340 | domain.m_minX=min; |
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341 | 341 | domain.m_maxX=max; |
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342 | 342 | m_domainMap.replace(axis,domain); |
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343 | 343 | } |
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344 | 344 | |
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345 | 345 | } |
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346 | 346 | else { |
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347 | 347 | |
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348 | 348 | QList<Domain> domains = m_domainMap.values(axis); |
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349 | 349 | m_domainMap.remove(axis); |
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350 | 350 | |
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351 | 351 | for(int i=0;i<domains.size();i++) |
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352 | 352 | { |
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353 | 353 | domains[i].m_minY=min; |
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354 | 354 | domains[i].m_maxY=max; |
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355 | 355 | } |
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356 | 356 | |
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357 | 357 | for(int j=domains.size()-1; j>=0;j--) |
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358 | 358 | m_domainMap.insert(axis,domains.at(j)); |
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359 | 359 | } |
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360 | 360 | |
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361 | 361 | setDomain(m_domainIndex); |
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362 | 362 | } |
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363 | 363 | |
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364 | 364 | void ChartDataSet::handleTickChanged(QChartAxis* axis) |
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365 | 365 | { |
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366 | 366 | if(axis==axisX()){ |
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367 | 367 | Domain domain = m_domainMap.value(axisY()); |
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368 | 368 | QStringList labels = createLabels(axis,domain.m_minX,domain.m_maxX); |
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369 | 369 | emit axisRangeChanged(axis,labels); |
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370 | 370 | }else{ |
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371 | 371 | Domain domain = m_domainMap.value(axis); |
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372 | 372 | QStringList labels = createLabels(axis,domain.m_minY,domain.m_maxY); |
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373 | 373 | emit axisRangeChanged(axis,labels); |
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374 | 374 | } |
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375 | 375 | } |
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376 | 376 | |
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377 | 377 | #include "moc_chartdataset_p.cpp" |
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378 | 378 | |
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379 | 379 | QTCOMMERCIALCHART_END_NAMESPACE |
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