@@ -1,429 +1,432 | |||
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1 | 1 | #include "qbarmodelmapper.h" |
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2 | 2 | #include "qbarmodelmapper_p.h" |
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3 | 3 | #include "qbarseries.h" |
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4 | 4 | #include "qbarset.h" |
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5 | 5 | #include "qchart.h" |
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6 | 6 | #include "qaxis.h" |
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7 | 7 | #include <QAbstractItemModel> |
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8 | 8 | |
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9 | 9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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10 | 10 | |
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11 | /*! | |
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12 | Constructs a mapper object which is a child of \a parent. | |
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13 | */ | |
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11 | 14 | QBarModelMapper::QBarModelMapper(QObject *parent) : |
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12 | 15 | QObject(parent), |
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13 | 16 | d_ptr(new QBarModelMapperPrivate(this)) |
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14 | 17 | { |
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15 | 18 | } |
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16 | 19 | |
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17 | 20 | QAbstractItemModel* QBarModelMapper::model() const |
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18 | 21 | { |
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19 | 22 | Q_D(const QBarModelMapper); |
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20 | 23 | return d->m_model; |
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21 | 24 | } |
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22 | 25 | |
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23 | 26 | void QBarModelMapper::setModel(QAbstractItemModel *model) |
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24 | 27 | { |
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25 | 28 | if (model == 0) |
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26 | 29 | return; |
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27 | 30 | |
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28 | 31 | Q_D(QBarModelMapper); |
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29 | 32 | if (d->m_model) { |
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30 | 33 | disconnect(d->m_model, 0, d, 0); |
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31 | 34 | } |
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32 | 35 | |
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33 | 36 | d->m_model = model; |
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34 | 37 | d->initializeBarFromModel(); |
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35 | 38 | // connect signals from the model |
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36 | 39 | connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex))); |
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37 | 40 | connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int))); |
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38 | 41 | connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int))); |
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39 | 42 | connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int))); |
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40 | 43 | connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int))); |
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41 | 44 | } |
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42 | 45 | |
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43 | 46 | QBarSeries* QBarModelMapper::series() const |
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44 | 47 | { |
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45 | 48 | Q_D(const QBarModelMapper); |
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46 | 49 | return d->m_series; |
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47 | 50 | } |
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48 | 51 | |
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49 | 52 | void QBarModelMapper::setSeries(QBarSeries *series) |
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50 | 53 | { |
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51 | 54 | Q_D(QBarModelMapper); |
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52 | 55 | if (d->m_series) { |
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53 | 56 | disconnect(d->m_series, 0, d, 0); |
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54 | 57 | } |
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55 | 58 | |
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56 | 59 | if (series == 0) |
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57 | 60 | return; |
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58 | 61 | |
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59 | 62 | d->m_series = series; |
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60 | 63 | d->initializeBarFromModel(); |
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61 | 64 | // connect the signals from the series |
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62 | 65 | // connect(d->m_series, SIGNAL(pointAdded(int)), d, SLOT(handlePointAdded(int))); |
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63 | 66 | // connect(d->m_series, SIGNAL(pointRemoved(int)), d, SLOT(handlePointRemoved(int))); |
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64 | 67 | // connect(d->m_series, SIGNAL(pointReplaced(int)), d, SLOT(handlePointReplaced(int))); |
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65 | 68 | } |
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66 | 69 | |
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67 | 70 | int QBarModelMapper::first() const |
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68 | 71 | { |
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69 | 72 | Q_D(const QBarModelMapper); |
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70 | 73 | return d->m_first; |
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71 | 74 | } |
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72 | 75 | |
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73 | 76 | void QBarModelMapper::setFirst(int first) |
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74 | 77 | { |
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75 | 78 | Q_D(QBarModelMapper); |
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76 | 79 | d->m_first = qMax(first, 0); |
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77 | 80 | d->initializeBarFromModel(); |
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78 | 81 | } |
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79 | 82 | |
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80 | 83 | int QBarModelMapper::count() const |
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81 | 84 | { |
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82 | 85 | Q_D(const QBarModelMapper); |
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83 | 86 | return d->m_count; |
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84 | 87 | } |
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85 | 88 | |
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86 | 89 | void QBarModelMapper::setCount(int count) |
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87 | 90 | { |
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88 | 91 | Q_D(QBarModelMapper); |
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89 | 92 | d->m_count = qMax(count, -1); |
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90 | 93 | d->initializeBarFromModel(); |
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91 | 94 | } |
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92 | 95 | |
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93 | 96 | Qt::Orientation QBarModelMapper::orientation() const |
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94 | 97 | { |
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95 | 98 | Q_D(const QBarModelMapper); |
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96 | 99 | return d->m_orientation; |
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97 | 100 | } |
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98 | 101 | |
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99 | 102 | void QBarModelMapper::setOrientation(Qt::Orientation orientation) |
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100 | 103 | { |
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101 | 104 | Q_D(QBarModelMapper); |
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102 | 105 | d->m_orientation = orientation; |
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103 | 106 | d->initializeBarFromModel(); |
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104 | 107 | } |
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105 | 108 | |
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106 | 109 | int QBarModelMapper::firstBarSetSection() const |
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107 | 110 | { |
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108 | 111 | Q_D(const QBarModelMapper); |
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109 | 112 | return d->m_firstBarSetSection; |
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110 | 113 | } |
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111 | 114 | |
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112 | 115 | void QBarModelMapper::setFirstBarSetSection(int firstBarSetSection) |
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113 | 116 | { |
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114 | 117 | Q_D(QBarModelMapper); |
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115 | 118 | d->m_firstBarSetSection = firstBarSetSection; |
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116 | 119 | d->initializeBarFromModel(); |
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117 | 120 | } |
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118 | 121 | |
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119 | 122 | int QBarModelMapper::lastBarSetSection() const |
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120 | 123 | { |
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121 | 124 | Q_D(const QBarModelMapper); |
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122 | 125 | return d->m_lastBarSetSection; |
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123 | 126 | } |
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124 | 127 | |
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125 | 128 | void QBarModelMapper::setLastBarSetSection(int lastBarSetSection) |
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126 | 129 | { |
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127 | 130 | Q_D(QBarModelMapper); |
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128 | 131 | d->m_lastBarSetSection = lastBarSetSection; |
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129 | 132 | d->initializeBarFromModel(); |
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130 | 133 | } |
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131 | 134 | |
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132 | 135 | int QBarModelMapper::categoriesSection() const |
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133 | 136 | { |
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134 | 137 | Q_D(const QBarModelMapper); |
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135 | 138 | return d->m_categoriesSection; |
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136 | 139 | } |
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137 | 140 | |
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138 | 141 | void QBarModelMapper::setCategoriesSection(int categoriesSection) |
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139 | 142 | { |
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140 | 143 | Q_D(QBarModelMapper); |
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141 | 144 | d->m_categoriesSection = categoriesSection; |
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142 | 145 | d->initializeBarFromModel(); |
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143 | 146 | } |
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144 | 147 | |
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145 | 148 | void QBarModelMapper::reset() |
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146 | 149 | { |
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147 | 150 | Q_D(QBarModelMapper); |
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148 | 151 | d->m_first = 0; |
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149 | 152 | d->m_count = -1; |
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150 | 153 | d->m_firstBarSetSection = -1; |
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151 | 154 | d->m_lastBarSetSection = -1; |
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152 | 155 | d->m_categoriesSection = -1; |
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153 | 156 | d->initializeBarFromModel(); |
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154 | 157 | } |
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155 | 158 | |
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156 | 159 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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157 | 160 | |
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158 | 161 | QBarModelMapperPrivate::QBarModelMapperPrivate(QBarModelMapper *q) : |
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159 | 162 | m_series(0), |
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160 | 163 | m_model(0), |
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161 | 164 | m_first(0), |
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162 | 165 | m_count(-1), |
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163 | 166 | m_orientation(Qt::Vertical), |
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164 | 167 | m_firstBarSetSection(-1), |
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165 | 168 | m_lastBarSetSection(-1), |
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166 | 169 | m_categoriesSection(-1), |
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167 | 170 | m_seriesSignalsBlock(false), |
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168 | 171 | m_modelSignalsBlock(false), |
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169 | 172 | q_ptr(q) |
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170 | 173 | { |
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171 | 174 | } |
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172 | 175 | |
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173 | 176 | void QBarModelMapperPrivate::blockModelSignals(bool block) |
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174 | 177 | { |
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175 | 178 | m_modelSignalsBlock = block; |
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176 | 179 | } |
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177 | 180 | |
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178 | 181 | void QBarModelMapperPrivate::blockSeriesSignals(bool block) |
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179 | 182 | { |
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180 | 183 | m_seriesSignalsBlock = block; |
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181 | 184 | } |
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182 | 185 | |
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183 | 186 | QBarSet* QBarModelMapperPrivate::barSet(QModelIndex index) |
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184 | 187 | { |
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185 | 188 | if (!index.isValid()) |
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186 | 189 | return 0; |
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187 | 190 | |
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188 | 191 | if (m_orientation == Qt::Vertical && index.column() >= m_firstBarSetSection && index.column() <= m_lastBarSetSection) { |
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189 | 192 | if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) { |
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190 | 193 | // if (m_model->index(index.row(), m_valuesSection).isValid() && m_model->index(index.row(), m_labelsSection).isValid()) |
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191 | 194 | return m_series->barSets().at(index.column() - m_firstBarSetSection); |
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192 | 195 | // else |
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193 | 196 | // return 0; |
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194 | 197 | } |
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195 | 198 | } else if (m_orientation == Qt::Horizontal && index.row() >= m_firstBarSetSection && index.row() <= m_lastBarSetSection) { |
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196 | 199 | if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) |
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197 | 200 | return m_series->barSets().at(index.row() - m_firstBarSetSection); |
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198 | 201 | } |
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199 | 202 | return 0; // This part of model has not been mapped to any slice |
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200 | 203 | } |
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201 | 204 | |
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202 | 205 | QModelIndex QBarModelMapperPrivate::barModelIndex(int barSection, int posInBar) |
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203 | 206 | { |
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204 | 207 | if (m_count != -1 && posInBar >= m_count) |
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205 | 208 | return QModelIndex(); // invalid |
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206 | 209 | |
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207 | 210 | if (barSection < m_firstBarSetSection || barSection > m_lastBarSetSection) |
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208 | 211 | return QModelIndex(); // invalid |
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209 | 212 | |
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210 | 213 | if (m_orientation == Qt::Vertical) |
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211 | 214 | return m_model->index(posInBar + m_first, barSection); |
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212 | 215 | else |
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213 | 216 | return m_model->index(barSection, posInBar + m_first); |
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214 | 217 | } |
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215 | 218 | |
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216 | 219 | QModelIndex QBarModelMapperPrivate::categoriesModelIndex(int posInCategories) |
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217 | 220 | { |
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218 | 221 | if (m_count != -1 && posInCategories >= m_count) |
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219 | 222 | return QModelIndex(); // invalid |
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220 | 223 | |
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221 | 224 | if (m_orientation == Qt::Vertical) |
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222 | 225 | return m_model->index(posInCategories + m_first, m_categoriesSection); |
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223 | 226 | else |
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224 | 227 | return m_model->index(m_categoriesSection, posInCategories + m_first); |
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225 | 228 | } |
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226 | 229 | |
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227 | 230 | void QBarModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
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228 | 231 | { |
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229 | 232 | Q_UNUSED(topLeft) |
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230 | 233 | Q_UNUSED(bottomRight) |
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231 | 234 | |
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232 | 235 | if (m_model == 0 || m_series == 0) |
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233 | 236 | return; |
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234 | 237 | |
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235 | 238 | if (m_modelSignalsBlock) |
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236 | 239 | return; |
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237 | 240 | |
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238 | 241 | blockSeriesSignals(); |
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239 | 242 | QModelIndex index; |
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240 | 243 | // QPointF oldPoint; |
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241 | 244 | // QPointF newPoint; |
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242 | 245 | for (int row = topLeft.row(); row <= bottomRight.row(); row++) { |
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243 | 246 | for (int column = topLeft.column(); column <= bottomRight.column(); column++) { |
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244 | 247 | index = topLeft.sibling(row, column); |
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245 | 248 | QBarSet* bar = barSet(index); |
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246 | 249 | if (bar) { |
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247 | 250 | if (m_orientation == Qt::Vertical) |
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248 | 251 | bar->replace(row - m_first, m_model->data(index).toReal()); |
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249 | 252 | else |
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250 | 253 | bar->replace(column - m_first, m_model->data(index).toReal()); |
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251 | 254 | } |
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252 | 255 | } |
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253 | 256 | } |
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254 | 257 | blockSeriesSignals(false); |
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255 | 258 | } |
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256 | 259 | |
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257 | 260 | void QBarModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end) |
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258 | 261 | { |
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259 | 262 | Q_UNUSED(parent); |
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260 | 263 | Q_UNUSED(end) |
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261 | 264 | if (m_modelSignalsBlock) |
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262 | 265 | return; |
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263 | 266 | |
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264 | 267 | blockSeriesSignals(); |
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265 | 268 | if (m_orientation == Qt::Vertical) |
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266 | 269 | // insertData(start, end); |
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267 | 270 | initializeBarFromModel(); |
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268 | 271 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection || start <= m_categoriesSection) // if the changes affect the map - reinitialize |
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269 | 272 | initializeBarFromModel(); |
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270 | 273 | blockSeriesSignals(false); |
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271 | 274 | } |
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272 | 275 | |
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273 | 276 | void QBarModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end) |
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274 | 277 | { |
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275 | 278 | Q_UNUSED(parent); |
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276 | 279 | Q_UNUSED(end) |
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277 | 280 | if (m_modelSignalsBlock) |
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278 | 281 | return; |
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279 | 282 | |
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280 | 283 | blockSeriesSignals(); |
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281 | 284 | if (m_orientation == Qt::Vertical) |
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282 | 285 | // removeData(start, end); |
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283 | 286 | initializeBarFromModel(); |
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284 | 287 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection || start <= m_categoriesSection) // if the changes affect the map - reinitialize |
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285 | 288 | initializeBarFromModel(); |
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286 | 289 | blockSeriesSignals(false); |
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287 | 290 | } |
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288 | 291 | |
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289 | 292 | void QBarModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end) |
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290 | 293 | { |
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291 | 294 | Q_UNUSED(parent); |
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292 | 295 | Q_UNUSED(end) |
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293 | 296 | if (m_modelSignalsBlock) |
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294 | 297 | return; |
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295 | 298 | |
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296 | 299 | blockSeriesSignals(); |
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297 | 300 | if (m_orientation == Qt::Horizontal) |
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298 | 301 | // insertData(start, end); |
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299 | 302 | initializeBarFromModel(); |
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300 | 303 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection || start <= m_categoriesSection) // if the changes affect the map - reinitialize |
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301 | 304 | initializeBarFromModel(); |
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302 | 305 | blockSeriesSignals(false); |
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303 | 306 | } |
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304 | 307 | |
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305 | 308 | void QBarModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end) |
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306 | 309 | { |
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307 | 310 | Q_UNUSED(parent); |
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308 | 311 | Q_UNUSED(end) |
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309 | 312 | if (m_modelSignalsBlock) |
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310 | 313 | return; |
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311 | 314 | |
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312 | 315 | blockSeriesSignals(); |
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313 | 316 | if (m_orientation == Qt::Horizontal) |
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314 | 317 | // removeData(start, end); |
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315 | 318 | initializeBarFromModel(); |
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316 | 319 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection || start <= m_categoriesSection) // if the changes affect the map - reinitialize |
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317 | 320 | initializeBarFromModel(); |
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318 | 321 | blockSeriesSignals(false); |
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319 | 322 | } |
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320 | 323 | |
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321 | 324 | void QBarModelMapperPrivate::insertData(int start, int end) |
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322 | 325 | { |
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323 | 326 | Q_UNUSED(end) |
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324 | 327 | if (m_model == 0 || m_series == 0) |
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325 | 328 | return; |
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326 | 329 | |
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327 | 330 | if (m_count != -1 && start >= m_first + m_count) { |
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328 | 331 | return; |
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329 | 332 | } /*else { |
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330 | 333 | int addedCount = end - start + 1; |
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331 | 334 | if (m_count != -1 && addedCount > m_count) |
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332 | 335 | addedCount = m_count; |
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333 | 336 | int first = qMax(start, m_first); |
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334 | 337 | int last = qMin(first + addedCount - 1, m_orientation == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1); |
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335 | 338 | for (int k = 0; k < m_series->barSets().count(); k++) { |
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336 | 339 | for (int i = first; i <= last; i++) { |
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337 | 340 | QBar point; |
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338 | 341 | point.setX(m_model->data(xModelIndex(i - m_first), Qt::DisplayRole).toDouble()); |
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339 | 342 | point.setY(m_model->data(yModelIndex(i - m_first), Qt::DisplayRole).toDouble()); |
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340 | 343 | m_series->insert(i - m_first, point); |
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341 | 344 | } |
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342 | 345 | >>>>>>> Stashed changes |
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343 | 346 | } |
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344 | 347 | |
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345 | 348 | // remove excess of slices (abouve m_count) |
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346 | 349 | if (m_count != -1 && m_series->points().size() > m_count) |
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347 | 350 | for (int i = m_series->points().size() - 1; i >= m_count; i--) { |
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348 | 351 | m_series->remove(m_series->points().at(i)); |
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349 | 352 | } |
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350 | 353 | }*/ |
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351 | 354 | } |
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352 | 355 | |
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353 | 356 | void QBarModelMapperPrivate::removeData(int start, int end) |
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354 | 357 | { |
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355 | 358 | Q_UNUSED(end) |
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356 | 359 | if (m_model == 0 || m_series == 0) |
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357 | 360 | return; |
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358 | 361 | |
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359 | 362 | // int removedCount = end - start + 1; |
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360 | 363 | if (m_count != -1 && start >= m_first + m_count) { |
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361 | 364 | return; |
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362 | 365 | } /*else { |
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363 | 366 | int toRemove = qMin(m_series->count(), removedCount); // first find how many items can actually be removed |
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364 | 367 | int first = qMax(start, m_first); // get the index of the first item that will be removed. |
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365 | 368 | int last = qMin(first + toRemove - 1, m_series->count() + m_first - 1); // get the index of the last item that will be removed. |
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366 | 369 | for (int i = last; i >= first; i--) { |
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367 | 370 | m_series->remove(m_series->points().at(i - m_first)); |
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368 | 371 | } |
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369 | 372 | |
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370 | 373 | if (m_count != -1) { |
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371 | 374 | int itemsAvailable; // check how many are available to be added |
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372 | 375 | if (m_orientation == Qt::Vertical) |
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373 | 376 | itemsAvailable = m_model->rowCount() - m_first - m_series->count(); |
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374 | 377 | else |
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375 | 378 | itemsAvailable = m_model->columnCount() - m_first - m_series->count(); |
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376 | 379 | int toBeAdded = qMin(itemsAvailable, m_count - m_series->count()); // add not more items than there is space left to be filled. |
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377 | 380 | int currentSize = m_series->count(); |
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378 | 381 | if (toBeAdded > 0) |
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379 | 382 | for (int i = m_series->count(); i < currentSize + toBeAdded; i++) { |
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380 | 383 | QPointF point; |
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381 | 384 | point.setX(m_model->data(xModelIndex(i), Qt::DisplayRole).toDouble()); |
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382 | 385 | point.setY(m_model->data(yModelIndex(i), Qt::DisplayRole).toDouble()); |
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383 | 386 | m_series->insert(i, point); |
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384 | 387 | } |
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385 | 388 | } |
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386 | 389 | }*/ |
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387 | 390 | } |
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388 | 391 | |
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389 | 392 | void QBarModelMapperPrivate::initializeBarFromModel() |
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390 | 393 | { |
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391 | 394 | if (m_model == 0 || m_series == 0) |
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392 | 395 | return; |
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393 | 396 | |
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394 | 397 | blockSeriesSignals(); |
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395 | 398 | // clear current content |
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396 | 399 | m_series->clear(); |
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397 | 400 | |
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398 | 401 | // create the initial bar sets |
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399 | 402 | for (int i = m_firstBarSetSection; i <= m_lastBarSetSection; i++) { |
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400 | 403 | int posInBar = 0; |
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401 | 404 | QModelIndex barIndex = barModelIndex(i, posInBar); |
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402 | 405 | QBarSet *barSet = new QBarSet(m_model->headerData(i, Qt::Horizontal).toString()); |
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403 | 406 | // QModelIndex yIndex = yModelIndex(pointPos); |
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404 | 407 | while (barIndex.isValid()) { |
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405 | 408 | barSet->append(m_model->data(barIndex, Qt::DisplayRole).toDouble()); |
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406 | 409 | posInBar++; |
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407 | 410 | barIndex = barModelIndex(i, posInBar); |
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408 | 411 | } |
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409 | 412 | m_series->append(barSet); |
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410 | 413 | } |
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411 | 414 | |
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412 | 415 | if (m_series->chart() && m_categoriesSection != -1) { |
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413 | 416 | int posInCategories = 0; |
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414 | 417 | QStringList categories; |
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415 | 418 | QModelIndex categoriesIndex = categoriesModelIndex(posInCategories); |
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416 | 419 | while (categoriesIndex.isValid()) { |
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417 | 420 | categories.append(m_model->data(categoriesIndex, Qt::DisplayRole).toString()); |
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418 | 421 | posInCategories++; |
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419 | 422 | categoriesIndex = categoriesModelIndex(posInCategories); |
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420 | 423 | } |
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421 | 424 | m_series->chart()->axisX()->categories()->insert(categories); |
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422 | 425 | } |
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423 | 426 | blockSeriesSignals(false); |
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424 | 427 | } |
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425 | 428 | |
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426 | 429 | #include "moc_qbarmodelmapper.cpp" |
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427 | 430 | #include "moc_qbarmodelmapper_p.cpp" |
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428 | 431 | |
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429 | 432 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,51 +1,54 | |||
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1 | 1 | #include "qhbarmodelmapper.h" |
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2 | 2 | |
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3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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4 | 4 | |
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5 | 5 | /*! |
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6 | 6 | \class QHBarModelMapper |
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7 | 7 | \brief part of QtCommercial chart API. |
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8 | 8 | \mainclass |
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9 | 9 | |
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10 | 10 | Nothing here yet |
|
11 | 11 | */ |
|
12 | 12 | |
|
13 | /*! | |
|
14 | Constructs a mapper object which is a child of \a parent. | |
|
15 | */ | |
|
13 | 16 | QHBarModelMapper::QHBarModelMapper(QObject *parent) : |
|
14 | 17 | QBarModelMapper(parent) |
|
15 | 18 | { |
|
16 | 19 | QBarModelMapper::setOrientation(Qt::Horizontal); |
|
17 | 20 | } |
|
18 | 21 | |
|
19 | 22 | int QHBarModelMapper::firstBarSetRow() const |
|
20 | 23 | { |
|
21 | 24 | return QBarModelMapper::firstBarSetSection(); |
|
22 | 25 | } |
|
23 | 26 | |
|
24 | 27 | void QHBarModelMapper::setFirstBarSetRow(int firstBarSetRow) |
|
25 | 28 | { |
|
26 | 29 | return QBarModelMapper::setFirstBarSetSection(firstBarSetRow); |
|
27 | 30 | } |
|
28 | 31 | |
|
29 | 32 | int QHBarModelMapper::lastBarSetRow() const |
|
30 | 33 | { |
|
31 | 34 | return QBarModelMapper::lastBarSetSection(); |
|
32 | 35 | } |
|
33 | 36 | |
|
34 | 37 | void QHBarModelMapper::setLastBarSetRow(int lastBarSetRow) |
|
35 | 38 | { |
|
36 | 39 | return QBarModelMapper::setLastBarSetSection(lastBarSetRow); |
|
37 | 40 | } |
|
38 | 41 | |
|
39 | 42 | int QHBarModelMapper::categoriesRow() const |
|
40 | 43 | { |
|
41 | 44 | return QBarModelMapper::categoriesSection(); |
|
42 | 45 | } |
|
43 | 46 | |
|
44 | 47 | void QHBarModelMapper::setCategoriesRow(int categoriesRow) |
|
45 | 48 | { |
|
46 | 49 | return QBarModelMapper::setCategoriesSection(categoriesRow); |
|
47 | 50 | } |
|
48 | 51 | |
|
49 | 52 | #include "moc_qhbarmodelmapper.cpp" |
|
50 | 53 | |
|
51 | 54 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,51 +1,54 | |||
|
1 | 1 | #include "qvbarmodelmapper.h" |
|
2 | 2 | |
|
3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
4 | 4 | |
|
5 | 5 | /*! |
|
6 | 6 | \class QVBarModelMapper |
|
7 | 7 | \brief part of QtCommercial chart API. |
|
8 | 8 | \mainclass |
|
9 | 9 | |
|
10 | 10 | Nothing here yet |
|
11 | 11 | */ |
|
12 | 12 | |
|
13 | /*! | |
|
14 | Constructs a mapper object which is a child of \a parent. | |
|
15 | */ | |
|
13 | 16 | QVBarModelMapper::QVBarModelMapper(QObject *parent) : |
|
14 | 17 | QBarModelMapper(parent) |
|
15 | 18 | { |
|
16 | 19 | QBarModelMapper::setOrientation(Qt::Vertical); |
|
17 | 20 | } |
|
18 | 21 | |
|
19 | 22 | int QVBarModelMapper::firstBarSetColumn() const |
|
20 | 23 | { |
|
21 | 24 | return QBarModelMapper::firstBarSetSection(); |
|
22 | 25 | } |
|
23 | 26 | |
|
24 | 27 | void QVBarModelMapper::setFirstBarSetColumn(int firstBarSetColumn) |
|
25 | 28 | { |
|
26 | 29 | return QBarModelMapper::setFirstBarSetSection(firstBarSetColumn); |
|
27 | 30 | } |
|
28 | 31 | |
|
29 | 32 | int QVBarModelMapper::lastBarSetColumn() const |
|
30 | 33 | { |
|
31 | 34 | return QBarModelMapper::lastBarSetSection(); |
|
32 | 35 | } |
|
33 | 36 | |
|
34 | 37 | void QVBarModelMapper::setLastBarSetColumn(int lastBarSetColumn) |
|
35 | 38 | { |
|
36 | 39 | return QBarModelMapper::setLastBarSetSection(lastBarSetColumn); |
|
37 | 40 | } |
|
38 | 41 | |
|
39 | 42 | int QVBarModelMapper::categoriesColumn() const |
|
40 | 43 | { |
|
41 | 44 | return QBarModelMapper::categoriesSection(); |
|
42 | 45 | } |
|
43 | 46 | |
|
44 | 47 | void QVBarModelMapper::setCategoriesColumn(int categoriesColumn) |
|
45 | 48 | { |
|
46 | 49 | return QBarModelMapper::setCategoriesSection(categoriesColumn); |
|
47 | 50 | } |
|
48 | 51 | |
|
49 | 52 | #include "moc_qvbarmodelmapper.cpp" |
|
50 | 53 | |
|
51 | 54 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,91 +1,94 | |||
|
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 "qhpiemodelmapper.h" |
|
22 | 22 | |
|
23 | 23 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
24 | 24 | |
|
25 | 25 | /*! |
|
26 | 26 | \class QHPieModelMapper |
|
27 | 27 | \brief part of QtCommercial chart API. |
|
28 | 28 | \mainclass |
|
29 | 29 | |
|
30 | 30 | This class is used to create a connection between QPieSeries and QAbstractItemModel derived model object that keeps the consecutive pie slices data in rows. |
|
31 | 31 | It is possible to use both QAbstractItemModel and QPieSeries model API. QHPieModelMapper makes sure that Pie and the model are kept in sync. |
|
32 | 32 | NOTE: used model has to support adding/removing rows/columns and modifying the data of the cells. |
|
33 | 33 | */ |
|
34 | 34 | |
|
35 | 35 | /*! |
|
36 | 36 | \property QHPieModelMapper::valuesRow |
|
37 | 37 | \brief Defines which row of the model is kept in sync with the values of the pie's slices |
|
38 | 38 | |
|
39 | 39 | Default value is: -1 (invalid mapping) |
|
40 | 40 | */ |
|
41 | 41 | |
|
42 | 42 | /*! |
|
43 | 43 | \property QHPieModelMapper::labelsRow |
|
44 | 44 | \brief Defines which row of the model is kept in sync with the labels of the pie's slices |
|
45 | 45 | |
|
46 | 46 | Default value is: -1 (invalid mapping) |
|
47 | 47 | */ |
|
48 | 48 | |
|
49 | /*! | |
|
50 | Constructs a mapper object which is a child of \a parent. | |
|
51 | */ | |
|
49 | 52 | QHPieModelMapper::QHPieModelMapper(QObject *parent) : |
|
50 | 53 | QPieModelMapper(parent) |
|
51 | 54 | { |
|
52 | 55 | QPieModelMapper::setOrientation(Qt::Horizontal); |
|
53 | 56 | } |
|
54 | 57 | |
|
55 | 58 | /*! |
|
56 | 59 | Returns which row of the model is kept in sync with the values of the pie's slices |
|
57 | 60 | */ |
|
58 | 61 | int QHPieModelMapper::valuesRow() const |
|
59 | 62 | { |
|
60 | 63 | return QPieModelMapper::valuesSection(); |
|
61 | 64 | } |
|
62 | 65 | |
|
63 | 66 | /*! |
|
64 | 67 | Sets the model row that is kept in sync with the pie slices values. |
|
65 | 68 | Parameter \a valuesRow specifies the row of the model. |
|
66 | 69 | */ |
|
67 | 70 | void QHPieModelMapper::setValuesRow(int valuesRow) |
|
68 | 71 | { |
|
69 | 72 | QPieModelMapper::setValuesSection(valuesRow); |
|
70 | 73 | } |
|
71 | 74 | |
|
72 | 75 | /*! |
|
73 | 76 | Returns which row of the model is kept in sync with the labels of the pie's slices |
|
74 | 77 | */ |
|
75 | 78 | int QHPieModelMapper::labelsRow() const |
|
76 | 79 | { |
|
77 | 80 | return QPieModelMapper::labelsSection(); |
|
78 | 81 | } |
|
79 | 82 | |
|
80 | 83 | /*! |
|
81 | 84 | Sets the model row that is kept in sync with the pie's slices labels. |
|
82 | 85 | Parameter \a labelsRow specifies the row of the model. |
|
83 | 86 | */ |
|
84 | 87 | void QHPieModelMapper::setLabelsRow(int labelsRow) |
|
85 | 88 | { |
|
86 | 89 | QPieModelMapper::setLabelsSection(labelsRow); |
|
87 | 90 | } |
|
88 | 91 | |
|
89 | 92 | #include "moc_qhpiemodelmapper.cpp" |
|
90 | 93 | |
|
91 | 94 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,593 +1,596 | |||
|
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 "qpiemodelmapper_p.h" |
|
22 | 22 | #include "qpiemodelmapper.h" |
|
23 | 23 | #include "qpieseries.h" |
|
24 | 24 | #include "qpieslice.h" |
|
25 | 25 | #include <QAbstractItemModel> |
|
26 | 26 | |
|
27 | 27 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
28 | 28 | |
|
29 | 29 | /*! |
|
30 | 30 | \property QPieModelMapper::series |
|
31 | 31 | \brief Defines the QPieSeries object that is used by the mapper. |
|
32 | 32 | |
|
33 | 33 | All the data in the series in the series is discarded when it is set to the mapper. |
|
34 | 34 | When new series is specified the old series is disconnected (it preserves its data) |
|
35 | 35 | */ |
|
36 | 36 | |
|
37 | 37 | /*! |
|
38 | 38 | \property QPieModelMapper::model |
|
39 | 39 | \brief Defines the model that is used by the mapper. |
|
40 | 40 | */ |
|
41 | 41 | |
|
42 | 42 | /*! |
|
43 | 43 | \property QPieModelMapper::first |
|
44 | 44 | \brief Defines which item of the model's row/column should be mapped as the value/label of the first slice of the pie |
|
45 | 45 | |
|
46 | 46 | Minimal and default value is: 0 |
|
47 | 47 | */ |
|
48 | 48 | |
|
49 | 49 | /*! |
|
50 | 50 | \property QPieModelMapper::count |
|
51 | 51 | \brief Defines the number of rows/columns of the model that are mapped as the data for the pie. |
|
52 | 52 | |
|
53 | 53 | Minimal and default value is: -1 (count limited by the number of rows/columns in the model) |
|
54 | 54 | */ |
|
55 | 55 | |
|
56 | 56 | /*! |
|
57 | 57 | \class QPieModelMapper |
|
58 | 58 | \brief part of QtCommercial chart API. |
|
59 | 59 | \mainclass |
|
60 | 60 | |
|
61 | 61 | The instance of this class cannot be created directly. QHPieModelMapper of QVPieModelMapper should be used instead. This class is used to create a connection between QPieSeries and QAbstractItemModel derived model object. |
|
62 | 62 | It is possible to use both QAbstractItemModel and QPieSeries model API. QPieModelMapper makes sure that Pie and the model are kept in sync. |
|
63 | 63 | NOTE: used model has to support adding/removing rows/columns and modifying the data of the cells. |
|
64 | 64 | */ |
|
65 | 65 | |
|
66 | /*! | |
|
67 | Constructs a mapper object which is a child of \a parent. | |
|
68 | */ | |
|
66 | 69 | QPieModelMapper::QPieModelMapper(QObject *parent) : |
|
67 | 70 | QObject(parent), |
|
68 | 71 | d_ptr(new QPieModelMapperPrivate(this)) |
|
69 | 72 | { |
|
70 | 73 | } |
|
71 | 74 | |
|
72 | 75 | QAbstractItemModel* QPieModelMapper::model() const |
|
73 | 76 | { |
|
74 | 77 | Q_D(const QPieModelMapper); |
|
75 | 78 | return d->m_model; |
|
76 | 79 | } |
|
77 | 80 | |
|
78 | 81 | void QPieModelMapper::setModel(QAbstractItemModel *model) |
|
79 | 82 | { |
|
80 | 83 | if (model == 0) |
|
81 | 84 | return; |
|
82 | 85 | |
|
83 | 86 | Q_D(QPieModelMapper); |
|
84 | 87 | if (d->m_model) { |
|
85 | 88 | disconnect(d->m_model, 0, d, 0); |
|
86 | 89 | } |
|
87 | 90 | |
|
88 | 91 | d->m_model = model; |
|
89 | 92 | d->initializePieFromModel(); |
|
90 | 93 | // connect signals from the model |
|
91 | 94 | connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex))); |
|
92 | 95 | connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int))); |
|
93 | 96 | connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int))); |
|
94 | 97 | connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int))); |
|
95 | 98 | connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int))); |
|
96 | 99 | } |
|
97 | 100 | |
|
98 | 101 | QPieSeries* QPieModelMapper::series() const |
|
99 | 102 | { |
|
100 | 103 | Q_D(const QPieModelMapper); |
|
101 | 104 | return d->m_series; |
|
102 | 105 | } |
|
103 | 106 | |
|
104 | 107 | void QPieModelMapper::setSeries(QPieSeries *series) |
|
105 | 108 | { |
|
106 | 109 | Q_D(QPieModelMapper); |
|
107 | 110 | if (d->m_series) { |
|
108 | 111 | disconnect(d->m_series, 0, d, 0); |
|
109 | 112 | } |
|
110 | 113 | |
|
111 | 114 | if (series == 0) |
|
112 | 115 | return; |
|
113 | 116 | |
|
114 | 117 | d->m_series = series; |
|
115 | 118 | d->initializePieFromModel(); |
|
116 | 119 | // connect the signals from the series |
|
117 | 120 | connect(d->m_series, SIGNAL(added(QList<QPieSlice*>)), d, SLOT(slicesAdded(QList<QPieSlice*>))); |
|
118 | 121 | connect(d->m_series, SIGNAL(removed(QList<QPieSlice*>)), d, SLOT(slicesRemoved(QList<QPieSlice*>))); |
|
119 | 122 | } |
|
120 | 123 | |
|
121 | 124 | int QPieModelMapper::first() const |
|
122 | 125 | { |
|
123 | 126 | Q_D(const QPieModelMapper); |
|
124 | 127 | return d->m_first; |
|
125 | 128 | } |
|
126 | 129 | |
|
127 | 130 | void QPieModelMapper::setFirst(int first) |
|
128 | 131 | { |
|
129 | 132 | Q_D(QPieModelMapper); |
|
130 | 133 | d->m_first = qMax(first, 0); |
|
131 | 134 | d->initializePieFromModel(); |
|
132 | 135 | } |
|
133 | 136 | |
|
134 | 137 | int QPieModelMapper::count() const |
|
135 | 138 | { |
|
136 | 139 | Q_D(const QPieModelMapper); |
|
137 | 140 | return d->m_count; |
|
138 | 141 | } |
|
139 | 142 | |
|
140 | 143 | void QPieModelMapper::setCount(int count) |
|
141 | 144 | { |
|
142 | 145 | Q_D(QPieModelMapper); |
|
143 | 146 | d->m_count = qMax(count, -1); |
|
144 | 147 | d->initializePieFromModel(); |
|
145 | 148 | } |
|
146 | 149 | |
|
147 | 150 | /*! |
|
148 | 151 | Returns the orientation that is used when QPieModelMapper accesses the model. |
|
149 | 152 | This mean whether the consecutive values/labels of the pie are read from row (Qt::Horizontal) |
|
150 | 153 | or from columns (Qt::Vertical) |
|
151 | 154 | */ |
|
152 | 155 | Qt::Orientation QPieModelMapper::orientation() const |
|
153 | 156 | { |
|
154 | 157 | Q_D(const QPieModelMapper); |
|
155 | 158 | return d->m_orientation; |
|
156 | 159 | } |
|
157 | 160 | |
|
158 | 161 | /*! |
|
159 | 162 | Returns the \a orientation that is used when QPieModelMapper accesses the model. |
|
160 | 163 | This mean whether the consecutive values/labels of the pie are read from row (Qt::Horizontal) |
|
161 | 164 | or from columns (Qt::Vertical) |
|
162 | 165 | */ |
|
163 | 166 | void QPieModelMapper::setOrientation(Qt::Orientation orientation) |
|
164 | 167 | { |
|
165 | 168 | Q_D(QPieModelMapper); |
|
166 | 169 | d->m_orientation = orientation; |
|
167 | 170 | d->initializePieFromModel(); |
|
168 | 171 | } |
|
169 | 172 | |
|
170 | 173 | /*! |
|
171 | 174 | Returns which section of the model is kept in sync with the values of the pie's slices |
|
172 | 175 | */ |
|
173 | 176 | int QPieModelMapper::valuesSection() const |
|
174 | 177 | { |
|
175 | 178 | Q_D(const QPieModelMapper); |
|
176 | 179 | return d->m_valuesSection; |
|
177 | 180 | } |
|
178 | 181 | |
|
179 | 182 | /*! |
|
180 | 183 | Sets the model section that is kept in sync with the pie slices values. |
|
181 | 184 | Parameter \a valuesSection specifies the section of the model. |
|
182 | 185 | */ |
|
183 | 186 | void QPieModelMapper::setValuesSection(int valuesSection) |
|
184 | 187 | { |
|
185 | 188 | Q_D(QPieModelMapper); |
|
186 | 189 | d->m_valuesSection = qMax(-1, valuesSection); |
|
187 | 190 | d->initializePieFromModel(); |
|
188 | 191 | } |
|
189 | 192 | |
|
190 | 193 | /*! |
|
191 | 194 | Returns which section of the model is kept in sync with the labels of the pie's slices |
|
192 | 195 | */ |
|
193 | 196 | int QPieModelMapper::labelsSection() const |
|
194 | 197 | { |
|
195 | 198 | Q_D(const QPieModelMapper); |
|
196 | 199 | return d->m_labelsSection; |
|
197 | 200 | } |
|
198 | 201 | |
|
199 | 202 | /*! |
|
200 | 203 | Sets the model section that is kept in sync with the pie slices labels. |
|
201 | 204 | Parameter \a labelsSection specifies the section of the model. |
|
202 | 205 | */ |
|
203 | 206 | void QPieModelMapper::setLabelsSection(int labelsSection) |
|
204 | 207 | { |
|
205 | 208 | Q_D(QPieModelMapper); |
|
206 | 209 | d->m_labelsSection = qMax(-1, labelsSection); |
|
207 | 210 | d->initializePieFromModel(); |
|
208 | 211 | } |
|
209 | 212 | |
|
210 | 213 | /*! |
|
211 | 214 | Resets the QPieModelMapper to the default state. |
|
212 | 215 | first: 0; count: -1; valuesSection: -1; labelsSection: -1; |
|
213 | 216 | */ |
|
214 | 217 | void QPieModelMapper::reset() |
|
215 | 218 | { |
|
216 | 219 | Q_D(QPieModelMapper); |
|
217 | 220 | d->m_first = 0; |
|
218 | 221 | d->m_count = -1; |
|
219 | 222 | d->m_valuesSection = -1; |
|
220 | 223 | d->m_labelsSection = -1; |
|
221 | 224 | } |
|
222 | 225 | |
|
223 | 226 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
224 | 227 | |
|
225 | 228 | QPieModelMapperPrivate::QPieModelMapperPrivate(QPieModelMapper *q) : |
|
226 | 229 | m_series(0), |
|
227 | 230 | m_model(0), |
|
228 | 231 | m_first(0), |
|
229 | 232 | m_count(-1), |
|
230 | 233 | m_orientation(Qt::Vertical), |
|
231 | 234 | m_valuesSection(-1), |
|
232 | 235 | m_labelsSection(-1), |
|
233 | 236 | m_seriesSignalsBlock(false), |
|
234 | 237 | m_modelSignalsBlock(false), |
|
235 | 238 | q_ptr(q) |
|
236 | 239 | { |
|
237 | 240 | } |
|
238 | 241 | |
|
239 | 242 | void QPieModelMapperPrivate::blockModelSignals(bool block) |
|
240 | 243 | { |
|
241 | 244 | m_modelSignalsBlock = block; |
|
242 | 245 | } |
|
243 | 246 | |
|
244 | 247 | void QPieModelMapperPrivate::blockSeriesSignals(bool block) |
|
245 | 248 | { |
|
246 | 249 | m_seriesSignalsBlock = block; |
|
247 | 250 | } |
|
248 | 251 | |
|
249 | 252 | |
|
250 | 253 | QPieSlice* QPieModelMapperPrivate::pieSlice(QModelIndex index) const |
|
251 | 254 | { |
|
252 | 255 | if (!index.isValid()) |
|
253 | 256 | return 0; // index is invalid |
|
254 | 257 | |
|
255 | 258 | if (m_orientation == Qt::Vertical && (index.column() == m_valuesSection || index.column() == m_labelsSection)) { |
|
256 | 259 | if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) { |
|
257 | 260 | if (m_model->index(index.row(), m_valuesSection).isValid() && m_model->index(index.row(), m_labelsSection).isValid()) |
|
258 | 261 | return m_series->slices().at(index.row() - m_first); |
|
259 | 262 | else |
|
260 | 263 | return 0; |
|
261 | 264 | } |
|
262 | 265 | } else if (m_orientation == Qt::Horizontal && (index.row() == m_valuesSection || index.row() == m_labelsSection)) { |
|
263 | 266 | if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) { |
|
264 | 267 | if (m_model->index(m_valuesSection, index.column()).isValid() && m_model->index(m_labelsSection, index.column()).isValid()) |
|
265 | 268 | return m_series->slices().at(index.column() - m_first); |
|
266 | 269 | else |
|
267 | 270 | return 0; |
|
268 | 271 | } |
|
269 | 272 | } |
|
270 | 273 | return 0; // This part of model has not been mapped to any slice |
|
271 | 274 | } |
|
272 | 275 | |
|
273 | 276 | QModelIndex QPieModelMapperPrivate::valueModelIndex(int slicePos) |
|
274 | 277 | { |
|
275 | 278 | if (m_count != -1 && slicePos >= m_count) |
|
276 | 279 | return QModelIndex(); // invalid |
|
277 | 280 | |
|
278 | 281 | if (m_orientation == Qt::Vertical) |
|
279 | 282 | return m_model->index(slicePos + m_first, m_valuesSection); |
|
280 | 283 | else |
|
281 | 284 | return m_model->index(m_valuesSection, slicePos + m_first); |
|
282 | 285 | } |
|
283 | 286 | |
|
284 | 287 | QModelIndex QPieModelMapperPrivate::labelModelIndex(int slicePos) |
|
285 | 288 | { |
|
286 | 289 | if (m_count != -1 && slicePos >= m_count) |
|
287 | 290 | return QModelIndex(); // invalid |
|
288 | 291 | |
|
289 | 292 | if (m_orientation == Qt::Vertical) |
|
290 | 293 | return m_model->index(slicePos + m_first, m_labelsSection); |
|
291 | 294 | else |
|
292 | 295 | return m_model->index(m_labelsSection, slicePos + m_first); |
|
293 | 296 | } |
|
294 | 297 | |
|
295 | 298 | bool QPieModelMapperPrivate::isLabelIndex(QModelIndex index) const |
|
296 | 299 | { |
|
297 | 300 | if (m_orientation == Qt::Vertical && index.column() == m_labelsSection) |
|
298 | 301 | return true; |
|
299 | 302 | else if (m_orientation == Qt::Horizontal && index.row() == m_labelsSection) |
|
300 | 303 | return true; |
|
301 | 304 | |
|
302 | 305 | return false; |
|
303 | 306 | } |
|
304 | 307 | |
|
305 | 308 | bool QPieModelMapperPrivate::isValueIndex(QModelIndex index) const |
|
306 | 309 | { |
|
307 | 310 | if (m_orientation == Qt::Vertical && index.column() == m_valuesSection) |
|
308 | 311 | return true; |
|
309 | 312 | else if (m_orientation == Qt::Horizontal && index.row() == m_valuesSection) |
|
310 | 313 | return true; |
|
311 | 314 | |
|
312 | 315 | return false; |
|
313 | 316 | } |
|
314 | 317 | |
|
315 | 318 | void QPieModelMapperPrivate::slicesAdded(QList<QPieSlice*> slices) |
|
316 | 319 | { |
|
317 | 320 | if (m_seriesSignalsBlock) |
|
318 | 321 | return; |
|
319 | 322 | |
|
320 | 323 | if (slices.count() == 0) |
|
321 | 324 | return; |
|
322 | 325 | |
|
323 | 326 | int firstIndex = m_series->slices().indexOf(slices.at(0)); |
|
324 | 327 | if (firstIndex == -1) |
|
325 | 328 | return; |
|
326 | 329 | |
|
327 | 330 | if (m_count != -1) |
|
328 | 331 | m_count += slices.count(); |
|
329 | 332 | |
|
330 | 333 | for (int i = firstIndex; i < firstIndex + slices.count(); i++) { |
|
331 | 334 | m_slices.insert(i, slices.at(i - firstIndex)); |
|
332 | 335 | connect(slices.at(i - firstIndex), SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged())); |
|
333 | 336 | connect(slices.at(i - firstIndex), SIGNAL(valueChanged()), this, SLOT(sliceValueChanged())); |
|
334 | 337 | } |
|
335 | 338 | |
|
336 | 339 | blockModelSignals(); |
|
337 | 340 | if (m_orientation == Qt::Vertical) |
|
338 | 341 | m_model->insertRows(firstIndex + m_first, slices.count()); |
|
339 | 342 | else |
|
340 | 343 | m_model->insertColumns(firstIndex + m_first, slices.count()); |
|
341 | 344 | |
|
342 | 345 | for(int i = firstIndex; i < firstIndex + slices.count(); i++) { |
|
343 | 346 | m_model->setData(valueModelIndex(i), slices.at(i - firstIndex)->value()); |
|
344 | 347 | m_model->setData(labelModelIndex(i), slices.at(i - firstIndex)->label()); |
|
345 | 348 | } |
|
346 | 349 | blockModelSignals(false); |
|
347 | 350 | } |
|
348 | 351 | |
|
349 | 352 | void QPieModelMapperPrivate::slicesRemoved(QList<QPieSlice*> slices) |
|
350 | 353 | { |
|
351 | 354 | if (m_seriesSignalsBlock) |
|
352 | 355 | return; |
|
353 | 356 | |
|
354 | 357 | if (slices.count() == 0) |
|
355 | 358 | return; |
|
356 | 359 | |
|
357 | 360 | int firstIndex = m_slices.indexOf(slices.at(0)); |
|
358 | 361 | if (firstIndex == -1) |
|
359 | 362 | return; |
|
360 | 363 | |
|
361 | 364 | if (m_count != -1) |
|
362 | 365 | m_count -= slices.count(); |
|
363 | 366 | |
|
364 | 367 | for (int i = firstIndex + slices.count() - 1; i >= firstIndex; i--) |
|
365 | 368 | m_slices.removeAt(i); |
|
366 | 369 | |
|
367 | 370 | blockModelSignals(); |
|
368 | 371 | if (m_orientation == Qt::Vertical) |
|
369 | 372 | m_model->removeRows(firstIndex + m_first, slices.count()); |
|
370 | 373 | else |
|
371 | 374 | m_model->removeColumns(firstIndex + m_first, slices.count()); |
|
372 | 375 | blockModelSignals(false); |
|
373 | 376 | } |
|
374 | 377 | |
|
375 | 378 | void QPieModelMapperPrivate::sliceLabelChanged() |
|
376 | 379 | { |
|
377 | 380 | if (m_seriesSignalsBlock) |
|
378 | 381 | return; |
|
379 | 382 | |
|
380 | 383 | blockModelSignals(); |
|
381 | 384 | QPieSlice *slice = qobject_cast<QPieSlice *>(QObject::sender()); |
|
382 | 385 | m_model->setData(labelModelIndex(m_series->slices().indexOf(slice)), slice->label()); |
|
383 | 386 | blockModelSignals(false); |
|
384 | 387 | } |
|
385 | 388 | |
|
386 | 389 | void QPieModelMapperPrivate::sliceValueChanged() |
|
387 | 390 | { |
|
388 | 391 | if (m_seriesSignalsBlock) |
|
389 | 392 | return; |
|
390 | 393 | |
|
391 | 394 | blockModelSignals(); |
|
392 | 395 | QPieSlice *slice = qobject_cast<QPieSlice *>(QObject::sender()); |
|
393 | 396 | m_model->setData(valueModelIndex(m_series->slices().indexOf(slice)), slice->value()); |
|
394 | 397 | blockModelSignals(false); |
|
395 | 398 | } |
|
396 | 399 | |
|
397 | 400 | void QPieModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
|
398 | 401 | { |
|
399 | 402 | if (m_model == 0 || m_series == 0) |
|
400 | 403 | return; |
|
401 | 404 | |
|
402 | 405 | if (m_modelSignalsBlock) |
|
403 | 406 | return; |
|
404 | 407 | |
|
405 | 408 | blockSeriesSignals(); |
|
406 | 409 | QModelIndex index; |
|
407 | 410 | QPieSlice *slice; |
|
408 | 411 | for (int row = topLeft.row(); row <= bottomRight.row(); row++) { |
|
409 | 412 | for (int column = topLeft.column(); column <= bottomRight.column(); column++) { |
|
410 | 413 | index = topLeft.sibling(row, column); |
|
411 | 414 | slice = pieSlice(index); |
|
412 | 415 | if (slice) { |
|
413 | 416 | if (isValueIndex(index)) |
|
414 | 417 | slice->setValue(m_model->data(index, Qt::DisplayRole).toReal()); |
|
415 | 418 | if (isLabelIndex(index)) |
|
416 | 419 | slice->setLabel(m_model->data(index, Qt::DisplayRole).toString()); |
|
417 | 420 | } |
|
418 | 421 | } |
|
419 | 422 | } |
|
420 | 423 | blockSeriesSignals(false); |
|
421 | 424 | } |
|
422 | 425 | |
|
423 | 426 | |
|
424 | 427 | void QPieModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end) |
|
425 | 428 | { |
|
426 | 429 | Q_UNUSED(parent); |
|
427 | 430 | if (m_modelSignalsBlock) |
|
428 | 431 | return; |
|
429 | 432 | |
|
430 | 433 | blockSeriesSignals(); |
|
431 | 434 | if (m_orientation == Qt::Vertical) |
|
432 | 435 | insertData(start, end); |
|
433 | 436 | else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie |
|
434 | 437 | initializePieFromModel(); |
|
435 | 438 | blockSeriesSignals(false); |
|
436 | 439 | } |
|
437 | 440 | |
|
438 | 441 | void QPieModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end) |
|
439 | 442 | { |
|
440 | 443 | Q_UNUSED(parent); |
|
441 | 444 | if (m_modelSignalsBlock) |
|
442 | 445 | return; |
|
443 | 446 | |
|
444 | 447 | blockSeriesSignals(); |
|
445 | 448 | if (m_orientation == Qt::Vertical) |
|
446 | 449 | removeData(start, end); |
|
447 | 450 | else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie |
|
448 | 451 | initializePieFromModel(); |
|
449 | 452 | blockSeriesSignals(false); |
|
450 | 453 | } |
|
451 | 454 | |
|
452 | 455 | void QPieModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end) |
|
453 | 456 | { |
|
454 | 457 | Q_UNUSED(parent); |
|
455 | 458 | if (m_modelSignalsBlock) |
|
456 | 459 | return; |
|
457 | 460 | |
|
458 | 461 | blockSeriesSignals(); |
|
459 | 462 | if (m_orientation == Qt::Horizontal) |
|
460 | 463 | insertData(start, end); |
|
461 | 464 | else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie |
|
462 | 465 | initializePieFromModel(); |
|
463 | 466 | blockSeriesSignals(false); |
|
464 | 467 | } |
|
465 | 468 | |
|
466 | 469 | void QPieModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end) |
|
467 | 470 | { |
|
468 | 471 | Q_UNUSED(parent); |
|
469 | 472 | if (m_modelSignalsBlock) |
|
470 | 473 | return; |
|
471 | 474 | |
|
472 | 475 | blockSeriesSignals(); |
|
473 | 476 | if (m_orientation == Qt::Horizontal) |
|
474 | 477 | removeData(start, end); |
|
475 | 478 | else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie |
|
476 | 479 | initializePieFromModel(); |
|
477 | 480 | blockSeriesSignals(false); |
|
478 | 481 | } |
|
479 | 482 | |
|
480 | 483 | void QPieModelMapperPrivate::insertData(int start, int end) |
|
481 | 484 | { |
|
482 | 485 | if (m_model == 0 || m_series == 0) |
|
483 | 486 | return; |
|
484 | 487 | |
|
485 | 488 | if (m_count != -1 && start >= m_first + m_count) { |
|
486 | 489 | return; |
|
487 | 490 | } else { |
|
488 | 491 | int addedCount = end - start + 1; |
|
489 | 492 | if (m_count != -1 && addedCount > m_count) |
|
490 | 493 | addedCount = m_count; |
|
491 | 494 | int first = qMax(start, m_first); |
|
492 | 495 | int last = qMin(first + addedCount - 1, m_orientation == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1); |
|
493 | 496 | for (int i = first; i <= last; i++) { |
|
494 | 497 | QModelIndex valueIndex = valueModelIndex(i - m_first); |
|
495 | 498 | QModelIndex labelIndex = labelModelIndex(i - m_first); |
|
496 | 499 | if (valueIndex.isValid() && labelIndex.isValid()) { |
|
497 | 500 | QPieSlice *slice = new QPieSlice; |
|
498 | 501 | slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble()); |
|
499 | 502 | slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString()); |
|
500 | 503 | slice->setLabelVisible(); |
|
501 | 504 | connect(slice, SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged())); |
|
502 | 505 | connect(slice, SIGNAL(valueChanged()), this, SLOT(sliceValueChanged())); |
|
503 | 506 | m_series->insert(i - m_first, slice); |
|
504 | 507 | m_slices.insert(i - m_first, slice); |
|
505 | 508 | } |
|
506 | 509 | } |
|
507 | 510 | |
|
508 | 511 | // remove excess of slices (abouve m_count) |
|
509 | 512 | if (m_count != -1 && m_series->slices().size() > m_count) |
|
510 | 513 | for (int i = m_series->slices().size() - 1; i >= m_count; i--) { |
|
511 | 514 | m_series->remove(m_series->slices().at(i)); |
|
512 | 515 | m_slices.removeAt(i); |
|
513 | 516 | } |
|
514 | 517 | } |
|
515 | 518 | } |
|
516 | 519 | |
|
517 | 520 | void QPieModelMapperPrivate::removeData(int start, int end) |
|
518 | 521 | { |
|
519 | 522 | if (m_model == 0 || m_series == 0) |
|
520 | 523 | return; |
|
521 | 524 | |
|
522 | 525 | int removedCount = end - start + 1; |
|
523 | 526 | if (m_count != -1 && start >= m_first + m_count) { |
|
524 | 527 | return; |
|
525 | 528 | } else { |
|
526 | 529 | int toRemove = qMin(m_series->slices().size(), removedCount); // first find how many items can actually be removed |
|
527 | 530 | int first = qMax(start, m_first); // get the index of the first item that will be removed. |
|
528 | 531 | int last = qMin(first + toRemove - 1, m_series->slices().size() + m_first - 1); // get the index of the last item that will be removed. |
|
529 | 532 | for (int i = last; i >= first; i--) { |
|
530 | 533 | m_series->remove(m_series->slices().at(i - m_first)); |
|
531 | 534 | m_slices.removeAt(i - m_first); |
|
532 | 535 | } |
|
533 | 536 | |
|
534 | 537 | if (m_count != -1) { |
|
535 | 538 | int itemsAvailable; // check how many are available to be added |
|
536 | 539 | if (m_orientation == Qt::Vertical) |
|
537 | 540 | itemsAvailable = m_model->rowCount() - m_first - m_series->slices().size(); |
|
538 | 541 | else |
|
539 | 542 | itemsAvailable = m_model->columnCount() - m_first - m_series->slices().size(); |
|
540 | 543 | int toBeAdded = qMin(itemsAvailable, m_count - m_series->slices().size()); // add not more items than there is space left to be filled. |
|
541 | 544 | int currentSize = m_series->slices().size(); |
|
542 | 545 | if (toBeAdded > 0) |
|
543 | 546 | for (int i = m_series->slices().size(); i < currentSize + toBeAdded; i++) { |
|
544 | 547 | QModelIndex valueIndex = valueModelIndex(i - m_first); |
|
545 | 548 | QModelIndex labelIndex = labelModelIndex(i - m_first); |
|
546 | 549 | if (valueIndex.isValid() && labelIndex.isValid()) { |
|
547 | 550 | QPieSlice *slice = new QPieSlice; |
|
548 | 551 | slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble()); |
|
549 | 552 | slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString()); |
|
550 | 553 | slice->setLabelVisible(); |
|
551 | 554 | m_series->insert(i, slice); |
|
552 | 555 | m_slices.insert(i, slice); |
|
553 | 556 | } |
|
554 | 557 | } |
|
555 | 558 | } |
|
556 | 559 | } |
|
557 | 560 | } |
|
558 | 561 | |
|
559 | 562 | void QPieModelMapperPrivate::initializePieFromModel() |
|
560 | 563 | { |
|
561 | 564 | if (m_model == 0 || m_series == 0) |
|
562 | 565 | return; |
|
563 | 566 | |
|
564 | 567 | blockSeriesSignals(); |
|
565 | 568 | // clear current content |
|
566 | 569 | m_series->clear(); |
|
567 | 570 | m_slices.clear(); |
|
568 | 571 | |
|
569 | 572 | // create the initial slices set |
|
570 | 573 | int slicePos = 0; |
|
571 | 574 | QModelIndex valueIndex = valueModelIndex(slicePos); |
|
572 | 575 | QModelIndex labelIndex = labelModelIndex(slicePos); |
|
573 | 576 | while (valueIndex.isValid() && labelIndex.isValid()) { |
|
574 | 577 | QPieSlice *slice = new QPieSlice; |
|
575 | 578 | slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString()); |
|
576 | 579 | slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble()); |
|
577 | 580 | connect(slice, SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged())); |
|
578 | 581 | connect(slice, SIGNAL(valueChanged()), this, SLOT(sliceValueChanged())); |
|
579 | 582 | m_series->append(slice); |
|
580 | 583 | m_slices.append(slice); |
|
581 | 584 | // m_series->append(m_model->data(labelIndex, Qt::DisplayRole).toString(), m_model->data(valueIndex, Qt::DisplayRole).toDouble()); |
|
582 | 585 | slicePos++; |
|
583 | 586 | valueIndex = valueModelIndex(slicePos); |
|
584 | 587 | labelIndex = labelModelIndex(slicePos); |
|
585 | 588 | } |
|
586 | 589 | m_series->setLabelsVisible(true); |
|
587 | 590 | blockSeriesSignals(false); |
|
588 | 591 | } |
|
589 | 592 | |
|
590 | 593 | #include "moc_qpiemodelmapper_p.cpp" |
|
591 | 594 | #include "moc_qpiemodelmapper.cpp" |
|
592 | 595 | |
|
593 | 596 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,92 +1,94 | |||
|
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 | #include "qpiemodelmapper_p.h" | |
|
22 | 21 | #include "qvpiemodelmapper.h" |
|
23 | 22 | |
|
24 | 23 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
25 | 24 | |
|
26 | 25 | /*! |
|
27 | 26 | \class QVPieModelMapper |
|
28 | 27 | \brief part of QtCommercial chart API. |
|
29 | 28 | \mainclass |
|
30 | 29 | |
|
31 | 30 | This class is used to create a connection between QPieSeries and QAbstractItemModel derived model object that keeps the consecutive pie slices data in columns. |
|
32 | 31 | It is possible to use both QAbstractItemModel and QPieSeries model API. QVPieModelMapper makes sure that Pie and the model are kept in sync. |
|
33 | 32 | NOTE: used model has to support adding/removing rows/columns and modifying the data of the cells. |
|
34 | 33 | */ |
|
35 | 34 | |
|
36 | 35 | /*! |
|
37 | 36 | \property QVPieModelMapper::valuesColumn |
|
38 | 37 | \brief Defines which column of the model is kept in sync with the values of the pie's slices |
|
39 | 38 | |
|
40 | 39 | Default value is: -1 (invalid mapping) |
|
41 | 40 | */ |
|
42 | 41 | |
|
43 | 42 | /*! |
|
44 | 43 | \property QVPieModelMapper::labelsColumn |
|
45 | 44 | \brief Defines which column of the model is kept in sync with the labels of the pie's slices |
|
46 | 45 | |
|
47 | 46 | Default value is: -1 (invalid mapping) |
|
48 | 47 | */ |
|
49 | 48 | |
|
49 | /*! | |
|
50 | Constructs a mapper object which is a child of \a parent. | |
|
51 | */ | |
|
50 | 52 | QVPieModelMapper::QVPieModelMapper(QObject *parent) : |
|
51 | 53 | QPieModelMapper(parent) |
|
52 | 54 | { |
|
53 | 55 | QPieModelMapper::setOrientation(Qt::Vertical); |
|
54 | 56 | } |
|
55 | 57 | |
|
56 | 58 | /*! |
|
57 | 59 | Returns which column of the model is kept in sync with the values of the pie's slices |
|
58 | 60 | */ |
|
59 | 61 | int QVPieModelMapper::valuesColumn() const |
|
60 | 62 | { |
|
61 | 63 | return QPieModelMapper::valuesSection(); |
|
62 | 64 | } |
|
63 | 65 | |
|
64 | 66 | /*! |
|
65 | 67 | Sets the model column that is kept in sync with the pie slices values. |
|
66 | 68 | Parameter \a valuesColumn specifies the row of the model. |
|
67 | 69 | */ |
|
68 | 70 | void QVPieModelMapper::setValuesColumn(int valuesColumn) |
|
69 | 71 | { |
|
70 | 72 | QPieModelMapper::setValuesSection(valuesColumn); |
|
71 | 73 | } |
|
72 | 74 | |
|
73 | 75 | /*! |
|
74 | 76 | Returns which column of the model is kept in sync with the labels of the pie's slices |
|
75 | 77 | */ |
|
76 | 78 | int QVPieModelMapper::labelsColumn() const |
|
77 | 79 | { |
|
78 | 80 | return QPieModelMapper::labelsSection(); |
|
79 | 81 | } |
|
80 | 82 | |
|
81 | 83 | /*! |
|
82 | 84 | Sets the model column that is kept in sync with the pie's slices labels. |
|
83 | 85 | Parameter \a labelsColumn specifies the row of the model. |
|
84 | 86 | */ |
|
85 | 87 | void QVPieModelMapper::setLabelsColumn(int labelsColumn) |
|
86 | 88 | { |
|
87 | 89 | QPieModelMapper::setLabelsSection(labelsColumn); |
|
88 | 90 | } |
|
89 | 91 | |
|
90 | 92 | #include "moc_qvpiemodelmapper.cpp" |
|
91 | 93 | |
|
92 | 94 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,54 +1,57 | |||
|
1 | 1 | #include "qhxymodelmapper.h" |
|
2 | 2 | |
|
3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
4 | 4 | |
|
5 | 5 | /*! |
|
6 | 6 | \class QHXYModelMapper |
|
7 | 7 | \brief part of QtCommercial chart API. |
|
8 | 8 | \mainclass |
|
9 | 9 | |
|
10 | 10 | Nothing here yet |
|
11 | 11 | */ |
|
12 | 12 | |
|
13 | 13 | /*! |
|
14 | 14 | \property QHXYModelMapper::xRow |
|
15 | 15 | \brief Defines which row of the model is kept in sync with the x values of the QXYSeries |
|
16 | 16 | Default value is: -1 (invalid mapping) |
|
17 | 17 | */ |
|
18 | 18 | |
|
19 | 19 | /*! |
|
20 | 20 | \property QHXYModelMapper::yRow |
|
21 | 21 | \brief Defines which row of the model is kept in sync with the y values of the QXYSeries |
|
22 | 22 | |
|
23 | 23 | Default value is: -1 (invalid mapping) |
|
24 | 24 | */ |
|
25 | 25 | |
|
26 | /*! | |
|
27 | Constructs a mapper object which is a child of \a parent. | |
|
28 | */ | |
|
26 | 29 | QHXYModelMapper::QHXYModelMapper(QObject *parent) : |
|
27 | 30 | QXYModelMapper(parent) |
|
28 | 31 | { |
|
29 | 32 | QXYModelMapper::setOrientation(Qt::Horizontal); |
|
30 | 33 | } |
|
31 | 34 | |
|
32 | 35 | int QHXYModelMapper::xRow() const |
|
33 | 36 | { |
|
34 | 37 | return QXYModelMapper::xSection(); |
|
35 | 38 | } |
|
36 | 39 | |
|
37 | 40 | void QHXYModelMapper::setXRow(int xRow) |
|
38 | 41 | { |
|
39 | 42 | return QXYModelMapper::setXSection(xRow); |
|
40 | 43 | } |
|
41 | 44 | |
|
42 | 45 | int QHXYModelMapper::yRow() const |
|
43 | 46 | { |
|
44 | 47 | return QXYModelMapper::ySection(); |
|
45 | 48 | } |
|
46 | 49 | |
|
47 | 50 | void QHXYModelMapper::setYRow(int yRow) |
|
48 | 51 | { |
|
49 | 52 | return QXYModelMapper::setYSection(yRow); |
|
50 | 53 | } |
|
51 | 54 | |
|
52 | 55 | #include "moc_qhxymodelmapper.cpp" |
|
53 | 56 | |
|
54 | 57 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,55 +1,58 | |||
|
1 | 1 | #include "qvxymodelmapper.h" |
|
2 | 2 | |
|
3 | 3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
4 | 4 | |
|
5 | 5 | /*! |
|
6 | 6 | \class QVXYModelMapper |
|
7 | 7 | \brief part of QtCommercial chart API. |
|
8 | 8 | \mainclass |
|
9 | 9 | |
|
10 | 10 | Nothing here yet |
|
11 | 11 | */ |
|
12 | 12 | |
|
13 | 13 | /*! |
|
14 | 14 | \property QVXYModelMapper::xColumn |
|
15 | 15 | \brief Defines which column of the model is kept in sync with the x values of QXYSeries |
|
16 | 16 | |
|
17 | 17 | Default value is: -1 (invalid mapping) |
|
18 | 18 | */ |
|
19 | 19 | |
|
20 | 20 | /*! |
|
21 | 21 | \property QVXYModelMapper::yColumn |
|
22 | 22 | \brief Defines which column of the model is kept in sync with the y values of QXYSeries |
|
23 | 23 | |
|
24 | 24 | Default value is: -1 (invalid mapping) |
|
25 | 25 | */ |
|
26 | 26 | |
|
27 | /*! | |
|
28 | Constructs a mapper object which is a child of \a parent. | |
|
29 | */ | |
|
27 | 30 | QVXYModelMapper::QVXYModelMapper(QObject *parent) : |
|
28 | 31 | QXYModelMapper(parent) |
|
29 | 32 | { |
|
30 | 33 | QXYModelMapper::setOrientation(Qt::Vertical); |
|
31 | 34 | } |
|
32 | 35 | |
|
33 | 36 | int QVXYModelMapper::xColumn() const |
|
34 | 37 | { |
|
35 | 38 | return QXYModelMapper::xSection(); |
|
36 | 39 | } |
|
37 | 40 | |
|
38 | 41 | void QVXYModelMapper::setXColumn(int xColumn) |
|
39 | 42 | { |
|
40 | 43 | return QXYModelMapper::setXSection(xColumn); |
|
41 | 44 | } |
|
42 | 45 | |
|
43 | 46 | int QVXYModelMapper::yColumn() const |
|
44 | 47 | { |
|
45 | 48 | return QXYModelMapper::ySection(); |
|
46 | 49 | } |
|
47 | 50 | |
|
48 | 51 | void QVXYModelMapper::setYColumn(int yColumn) |
|
49 | 52 | { |
|
50 | 53 | return QXYModelMapper::setYSection(yColumn); |
|
51 | 54 | } |
|
52 | 55 | |
|
53 | 56 | #include "moc_qvxymodelmapper.cpp" |
|
54 | 57 | |
|
55 | 58 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,498 +1,501 | |||
|
1 | 1 | #include "qxymodelmapper.h" |
|
2 | 2 | #include "qxymodelmapper_p.h" |
|
3 | 3 | #include "qxyseries.h" |
|
4 | 4 | #include <QAbstractItemModel> |
|
5 | 5 | |
|
6 | 6 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
7 | 7 | |
|
8 | 8 | /*! |
|
9 | 9 | \property QXYModelMapper::series |
|
10 | 10 | \brief Defines the QPieSeries object that is used by the mapper. |
|
11 | 11 | |
|
12 | 12 | All the data in the series in the series is discarded when it is set to the mapper. |
|
13 | 13 | When new series is specified the old series is disconnected (it preserves its data) |
|
14 | 14 | */ |
|
15 | 15 | |
|
16 | 16 | /*! |
|
17 | 17 | \property QXYModelMapper::model |
|
18 | 18 | \brief Defines the model that is used by the mapper. |
|
19 | 19 | */ |
|
20 | 20 | |
|
21 | 21 | /*! |
|
22 | 22 | \property QXYModelMapper::first |
|
23 | 23 | \brief Defines which item of the model's row/column should be mapped as the first x/y pair |
|
24 | 24 | |
|
25 | 25 | Minimal and default value is: 0 |
|
26 | 26 | */ |
|
27 | 27 | |
|
28 | 28 | /*! |
|
29 | 29 | \property QXYModelMapper::count |
|
30 | 30 | \brief Defines the number of rows/columns of the model that are mapped as the data for QXYSeries |
|
31 | 31 | |
|
32 | 32 | Minimal and default value is: -1 (count limited by the number of rows/columns in the model) |
|
33 | 33 | */ |
|
34 | 34 | |
|
35 | 35 | /*! |
|
36 | 36 | \class QXYModelMapper |
|
37 | 37 | \brief part of QtCommercial chart API. |
|
38 | 38 | \mainclass |
|
39 | 39 | |
|
40 | 40 | The instance of this class cannot be created directly. QHXYModelMapper of QVXYModelMapper should be used instead. This class is used to create a connection between QXYSeries and QAbstractItemModel derived model object. |
|
41 |
It is possible to use both QAbstractItemModel and Q |
|
|
41 | It is possible to use both QAbstractItemModel and QXYSeries model API. QXYModelMapper makes sure that QXYSeries and the model are kept in sync. | |
|
42 | 42 | NOTE: used model has to support adding/removing rows/columns and modifying the data of the cells. |
|
43 | 43 | */ |
|
44 | 44 | |
|
45 | /*! | |
|
46 | Constructs a mapper object which is a child of \a parent. | |
|
47 | */ | |
|
45 | 48 | QXYModelMapper::QXYModelMapper(QObject *parent): |
|
46 | 49 | QObject(parent), |
|
47 | 50 | d_ptr(new QXYModelMapperPrivate(this)) |
|
48 | 51 | { |
|
49 | 52 | } |
|
50 | 53 | |
|
51 | 54 | QAbstractItemModel* QXYModelMapper::model() const |
|
52 | 55 | { |
|
53 | 56 | Q_D(const QXYModelMapper); |
|
54 | 57 | return d->m_model; |
|
55 | 58 | } |
|
56 | 59 | |
|
57 | 60 | void QXYModelMapper::setModel(QAbstractItemModel *model) |
|
58 | 61 | { |
|
59 | 62 | if (model == 0) |
|
60 | 63 | return; |
|
61 | 64 | |
|
62 | 65 | Q_D(QXYModelMapper); |
|
63 | 66 | if (d->m_model) { |
|
64 | 67 | disconnect(d->m_model, 0, d, 0); |
|
65 | 68 | } |
|
66 | 69 | |
|
67 | 70 | d->m_model = model; |
|
68 | 71 | d->initializeXYFromModel(); |
|
69 | 72 | // connect signals from the model |
|
70 | 73 | connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex))); |
|
71 | 74 | connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int))); |
|
72 | 75 | connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int))); |
|
73 | 76 | connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int))); |
|
74 | 77 | connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int))); |
|
75 | 78 | } |
|
76 | 79 | |
|
77 | 80 | QXYSeries* QXYModelMapper::series() const |
|
78 | 81 | { |
|
79 | 82 | Q_D(const QXYModelMapper); |
|
80 | 83 | return d->m_series; |
|
81 | 84 | } |
|
82 | 85 | |
|
83 | 86 | void QXYModelMapper::setSeries(QXYSeries *series) |
|
84 | 87 | { |
|
85 | 88 | Q_D(QXYModelMapper); |
|
86 | 89 | if (d->m_series) { |
|
87 | 90 | disconnect(d->m_series, 0, d, 0); |
|
88 | 91 | } |
|
89 | 92 | |
|
90 | 93 | if (series == 0) |
|
91 | 94 | return; |
|
92 | 95 | |
|
93 | 96 | d->m_series = series; |
|
94 | 97 | d->initializeXYFromModel(); |
|
95 | 98 | // connect the signals from the series |
|
96 | 99 | connect(d->m_series, SIGNAL(pointAdded(int)), d, SLOT(handlePointAdded(int))); |
|
97 | 100 | connect(d->m_series, SIGNAL(pointRemoved(int)), d, SLOT(handlePointRemoved(int))); |
|
98 | 101 | connect(d->m_series, SIGNAL(pointReplaced(int)), d, SLOT(handlePointReplaced(int))); |
|
99 | 102 | } |
|
100 | 103 | |
|
101 | 104 | int QXYModelMapper::first() const |
|
102 | 105 | { |
|
103 | 106 | Q_D(const QXYModelMapper); |
|
104 | 107 | return d->m_first; |
|
105 | 108 | } |
|
106 | 109 | |
|
107 | 110 | void QXYModelMapper::setFirst(int first) |
|
108 | 111 | { |
|
109 | 112 | Q_D(QXYModelMapper); |
|
110 | 113 | d->m_first = qMax(first, 0); |
|
111 | 114 | d->initializeXYFromModel(); |
|
112 | 115 | } |
|
113 | 116 | |
|
114 | 117 | int QXYModelMapper::count() const |
|
115 | 118 | { |
|
116 | 119 | Q_D(const QXYModelMapper); |
|
117 | 120 | return d->m_count; |
|
118 | 121 | } |
|
119 | 122 | |
|
120 | 123 | void QXYModelMapper::setCount(int count) |
|
121 | 124 | { |
|
122 | 125 | Q_D(QXYModelMapper); |
|
123 | 126 | d->m_count = qMax(count, -1); |
|
124 | 127 | d->initializeXYFromModel(); |
|
125 | 128 | } |
|
126 | 129 | |
|
127 | 130 | /*! |
|
128 | 131 | Returns the orientation that is used when QXYModelMapper accesses the model. |
|
129 | 132 | This mean whether the consecutive x/y values of the QXYSeries are read from rows (Qt::Horizontal) |
|
130 | 133 | or from columns (Qt::Vertical) |
|
131 | 134 | */ |
|
132 | 135 | Qt::Orientation QXYModelMapper::orientation() const |
|
133 | 136 | { |
|
134 | 137 | Q_D(const QXYModelMapper); |
|
135 | 138 | return d->m_orientation; |
|
136 | 139 | } |
|
137 | 140 | |
|
138 | 141 | /*! |
|
139 | 142 | Returns the \a orientation that is used when QXYModelMapper accesses the model. |
|
140 | 143 | This mean whether the consecutive x/y values of the QXYSeries are read from rows (Qt::Horizontal) |
|
141 | 144 | or from columns (Qt::Vertical) |
|
142 | 145 | */ |
|
143 | 146 | void QXYModelMapper::setOrientation(Qt::Orientation orientation) |
|
144 | 147 | { |
|
145 | 148 | Q_D(QXYModelMapper); |
|
146 | 149 | d->m_orientation = orientation; |
|
147 | 150 | d->initializeXYFromModel(); |
|
148 | 151 | } |
|
149 | 152 | |
|
150 | 153 | /*! |
|
151 | 154 | Returns which section of the model is kept in sync with the x values of the QXYSeries |
|
152 | 155 | */ |
|
153 | 156 | int QXYModelMapper::xSection() const |
|
154 | 157 | { |
|
155 | 158 | Q_D(const QXYModelMapper); |
|
156 | 159 | return d->m_xSection; |
|
157 | 160 | } |
|
158 | 161 | |
|
159 | 162 | /*! |
|
160 | 163 | Sets the model section that is kept in sync with the x values of the QXYSeries. |
|
161 | 164 | Parameter \a xSection specifies the section of the model. |
|
162 | 165 | */ |
|
163 | 166 | void QXYModelMapper::setXSection(int xSection) |
|
164 | 167 | { |
|
165 | 168 | Q_D(QXYModelMapper); |
|
166 | 169 | d->m_xSection = xSection; |
|
167 | 170 | d->initializeXYFromModel(); |
|
168 | 171 | } |
|
169 | 172 | |
|
170 | 173 | /*! |
|
171 | 174 | Returns which section of the model is kept in sync with the y values of the QXYSeries |
|
172 | 175 | */ |
|
173 | 176 | int QXYModelMapper::ySection() const |
|
174 | 177 | { |
|
175 | 178 | Q_D(const QXYModelMapper); |
|
176 | 179 | return d->m_ySection; |
|
177 | 180 | } |
|
178 | 181 | |
|
179 | 182 | /*! |
|
180 | 183 | Sets the model section that is kept in sync with the y values of the QXYSeries. |
|
181 | 184 | Parameter \a ySection specifies the section of the model. |
|
182 | 185 | */ |
|
183 | 186 | void QXYModelMapper::setYSection(int ySection) |
|
184 | 187 | { |
|
185 | 188 | Q_D(QXYModelMapper); |
|
186 | 189 | d->m_ySection = ySection; |
|
187 | 190 | d->initializeXYFromModel(); |
|
188 | 191 | } |
|
189 | 192 | |
|
190 | 193 | /*! |
|
191 | 194 | Resets the QXYModelMapper to the default state. |
|
192 | 195 | first: 0; count: -1; xSection: -1; ySection: -1; |
|
193 | 196 | */ |
|
194 | 197 | void QXYModelMapper::reset() |
|
195 | 198 | { |
|
196 | 199 | Q_D(QXYModelMapper); |
|
197 | 200 | d->m_first = 0; |
|
198 | 201 | d->m_count = -1; |
|
199 | 202 | d->m_orientation = Qt::Vertical; |
|
200 | 203 | d->m_xSection = -1; |
|
201 | 204 | d->m_ySection = -1; |
|
202 | 205 | d->initializeXYFromModel(); |
|
203 | 206 | } |
|
204 | 207 | |
|
205 | 208 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
206 | 209 | |
|
207 | 210 | QXYModelMapperPrivate::QXYModelMapperPrivate(QXYModelMapper *q) : |
|
208 | 211 | m_series(0), |
|
209 | 212 | m_model(0), |
|
210 | 213 | m_first(0), |
|
211 | 214 | m_count(-1), |
|
212 | 215 | m_orientation(Qt::Vertical), |
|
213 | 216 | m_xSection(-1), |
|
214 | 217 | m_ySection(-1), |
|
215 | 218 | m_seriesSignalsBlock(false), |
|
216 | 219 | m_modelSignalsBlock(false), |
|
217 | 220 | q_ptr(q) |
|
218 | 221 | { |
|
219 | 222 | } |
|
220 | 223 | |
|
221 | 224 | void QXYModelMapperPrivate::blockModelSignals(bool block) |
|
222 | 225 | { |
|
223 | 226 | m_modelSignalsBlock = block; |
|
224 | 227 | } |
|
225 | 228 | |
|
226 | 229 | void QXYModelMapperPrivate::blockSeriesSignals(bool block) |
|
227 | 230 | { |
|
228 | 231 | m_seriesSignalsBlock = block; |
|
229 | 232 | } |
|
230 | 233 | |
|
231 | 234 | QModelIndex QXYModelMapperPrivate::xModelIndex(int xPos) |
|
232 | 235 | { |
|
233 | 236 | if (m_count != -1 && xPos >= m_count) |
|
234 | 237 | return QModelIndex(); // invalid |
|
235 | 238 | |
|
236 | 239 | if (m_orientation == Qt::Vertical) |
|
237 | 240 | return m_model->index(xPos + m_first, m_xSection); |
|
238 | 241 | else |
|
239 | 242 | return m_model->index(m_xSection, xPos + m_first); |
|
240 | 243 | } |
|
241 | 244 | |
|
242 | 245 | QModelIndex QXYModelMapperPrivate::yModelIndex(int yPos) |
|
243 | 246 | { |
|
244 | 247 | if (m_count != -1 && yPos >= m_count) |
|
245 | 248 | return QModelIndex(); // invalid |
|
246 | 249 | |
|
247 | 250 | if (m_orientation == Qt::Vertical) |
|
248 | 251 | return m_model->index(yPos + m_first, m_ySection); |
|
249 | 252 | else |
|
250 | 253 | return m_model->index(m_ySection, yPos + m_first); |
|
251 | 254 | } |
|
252 | 255 | |
|
253 | 256 | void QXYModelMapperPrivate::handlePointAdded(int pointPos) |
|
254 | 257 | { |
|
255 | 258 | if (m_seriesSignalsBlock) |
|
256 | 259 | return; |
|
257 | 260 | |
|
258 | 261 | if (m_count != -1) |
|
259 | 262 | m_count += 1; |
|
260 | 263 | |
|
261 | 264 | blockModelSignals(); |
|
262 | 265 | if (m_orientation == Qt::Vertical) |
|
263 | 266 | m_model->insertRows(pointPos + m_first, 1); |
|
264 | 267 | else |
|
265 | 268 | m_model->insertColumns(pointPos + m_first, 1); |
|
266 | 269 | |
|
267 | 270 | m_model->setData(xModelIndex(pointPos), m_series->points().at(pointPos).x()); |
|
268 | 271 | m_model->setData(yModelIndex(pointPos), m_series->points().at(pointPos).y()); |
|
269 | 272 | blockModelSignals(false); |
|
270 | 273 | } |
|
271 | 274 | |
|
272 | 275 | void QXYModelMapperPrivate::handlePointRemoved(int pointPos) |
|
273 | 276 | { |
|
274 | 277 | if (m_seriesSignalsBlock) |
|
275 | 278 | return; |
|
276 | 279 | |
|
277 | 280 | if (m_count != -1) |
|
278 | 281 | m_count -= 1; |
|
279 | 282 | |
|
280 | 283 | blockModelSignals(); |
|
281 | 284 | if (m_orientation == Qt::Vertical) |
|
282 | 285 | m_model->removeRow(pointPos + m_first); |
|
283 | 286 | else |
|
284 | 287 | m_model->removeColumn(pointPos + m_first); |
|
285 | 288 | blockModelSignals(false); |
|
286 | 289 | } |
|
287 | 290 | |
|
288 | 291 | void QXYModelMapperPrivate::handlePointReplaced(int pointPos) |
|
289 | 292 | { |
|
290 | 293 | if (m_seriesSignalsBlock) |
|
291 | 294 | return; |
|
292 | 295 | |
|
293 | 296 | blockModelSignals(); |
|
294 | 297 | m_model->setData(xModelIndex(pointPos), m_series->points().at(pointPos).x()); |
|
295 | 298 | m_model->setData(yModelIndex(pointPos), m_series->points().at(pointPos).y()); |
|
296 | 299 | blockModelSignals(false); |
|
297 | 300 | } |
|
298 | 301 | |
|
299 | 302 | void QXYModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
|
300 | 303 | { |
|
301 | 304 | if (m_model == 0 || m_series == 0) |
|
302 | 305 | return; |
|
303 | 306 | |
|
304 | 307 | if (m_modelSignalsBlock) |
|
305 | 308 | return; |
|
306 | 309 | |
|
307 | 310 | blockSeriesSignals(); |
|
308 | 311 | QModelIndex index; |
|
309 | 312 | QPointF oldPoint; |
|
310 | 313 | QPointF newPoint; |
|
311 | 314 | for (int row = topLeft.row(); row <= bottomRight.row(); row++) { |
|
312 | 315 | for (int column = topLeft.column(); column <= bottomRight.column(); column++) { |
|
313 | 316 | index = topLeft.sibling(row, column); |
|
314 | 317 | if (m_orientation == Qt::Vertical && (index.column() == m_xSection || index.column() == m_ySection)) { |
|
315 | 318 | if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) { |
|
316 | 319 | QModelIndex xIndex = xModelIndex(index.row() - m_first); |
|
317 | 320 | QModelIndex yIndex = yModelIndex(index.row() - m_first); |
|
318 | 321 | if (xIndex.isValid() && yIndex.isValid()) { |
|
319 | 322 | oldPoint = m_series->points().at(index.row() - m_first); |
|
320 | 323 | newPoint.setX(m_model->data(xIndex).toReal()); |
|
321 | 324 | newPoint.setY(m_model->data(yIndex).toReal()); |
|
322 | 325 | } |
|
323 | 326 | } |
|
324 | 327 | } else if (m_orientation == Qt::Horizontal && (index.row() == m_xSection || index.row() == m_ySection)) { |
|
325 | 328 | if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) { |
|
326 | 329 | QModelIndex xIndex = xModelIndex(index.column() - m_first); |
|
327 | 330 | QModelIndex yIndex = yModelIndex(index.column() - m_first); |
|
328 | 331 | if (xIndex.isValid() && yIndex.isValid()) { |
|
329 | 332 | oldPoint = m_series->points().at(index.column() - m_first); |
|
330 | 333 | newPoint.setX(m_model->data(xIndex).toReal()); |
|
331 | 334 | newPoint.setY(m_model->data(yIndex).toReal()); |
|
332 | 335 | } |
|
333 | 336 | } |
|
334 | 337 | } else { |
|
335 | 338 | continue; |
|
336 | 339 | } |
|
337 | 340 | m_series->replace(oldPoint, newPoint); |
|
338 | 341 | } |
|
339 | 342 | } |
|
340 | 343 | blockSeriesSignals(false); |
|
341 | 344 | } |
|
342 | 345 | |
|
343 | 346 | void QXYModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end) |
|
344 | 347 | { |
|
345 | 348 | Q_UNUSED(parent); |
|
346 | 349 | if (m_modelSignalsBlock) |
|
347 | 350 | return; |
|
348 | 351 | |
|
349 | 352 | blockSeriesSignals(); |
|
350 | 353 | if (m_orientation == Qt::Vertical) |
|
351 | 354 | insertData(start, end); |
|
352 | 355 | else if (start <= m_xSection || start <= m_ySection) // if the changes affect the map - reinitialize the xy |
|
353 | 356 | initializeXYFromModel(); |
|
354 | 357 | blockSeriesSignals(false); |
|
355 | 358 | } |
|
356 | 359 | |
|
357 | 360 | void QXYModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end) |
|
358 | 361 | { |
|
359 | 362 | Q_UNUSED(parent); |
|
360 | 363 | if (m_modelSignalsBlock) |
|
361 | 364 | return; |
|
362 | 365 | |
|
363 | 366 | blockSeriesSignals(); |
|
364 | 367 | if (m_orientation == Qt::Vertical) |
|
365 | 368 | removeData(start, end); |
|
366 | 369 | else if (start <= m_xSection || start <= m_ySection) // if the changes affect the map - reinitialize the xy |
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367 | 370 | initializeXYFromModel(); |
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368 | 371 | blockSeriesSignals(false); |
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369 | 372 | } |
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370 | 373 | |
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371 | 374 | void QXYModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end) |
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372 | 375 | { |
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373 | 376 | Q_UNUSED(parent); |
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374 | 377 | if (m_modelSignalsBlock) |
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375 | 378 | return; |
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376 | 379 | |
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377 | 380 | blockSeriesSignals(); |
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378 | 381 | if (m_orientation == Qt::Horizontal) |
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379 | 382 | insertData(start, end); |
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380 | 383 | else if (start <= m_xSection || start <= m_ySection) // if the changes affect the map - reinitialize the xy |
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381 | 384 | initializeXYFromModel(); |
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382 | 385 | blockSeriesSignals(false); |
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383 | 386 | } |
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384 | 387 | |
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385 | 388 | void QXYModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end) |
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386 | 389 | { |
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387 | 390 | Q_UNUSED(parent); |
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388 | 391 | if (m_modelSignalsBlock) |
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389 | 392 | return; |
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390 | 393 | |
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391 | 394 | blockSeriesSignals(); |
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392 | 395 | if (m_orientation == Qt::Horizontal) |
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393 | 396 | removeData(start, end); |
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394 | 397 | else if (start <= m_xSection || start <= m_ySection) // if the changes affect the map - reinitialize the xy |
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395 | 398 | initializeXYFromModel(); |
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396 | 399 | blockSeriesSignals(false); |
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397 | 400 | } |
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398 | 401 | |
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399 | 402 | void QXYModelMapperPrivate::insertData(int start, int end) |
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400 | 403 | { |
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401 | 404 | if (m_model == 0 || m_series == 0) |
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402 | 405 | return; |
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403 | 406 | |
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404 | 407 | if (m_count != -1 && start >= m_first + m_count) { |
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405 | 408 | return; |
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406 | 409 | } else { |
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407 | 410 | int addedCount = end - start + 1; |
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408 | 411 | if (m_count != -1 && addedCount > m_count) |
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409 | 412 | addedCount = m_count; |
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410 | 413 | int first = qMax(start, m_first); |
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411 | 414 | int last = qMin(first + addedCount - 1, m_orientation == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1); |
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412 | 415 | for (int i = first; i <= last; i++) { |
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413 | 416 | QPointF point; |
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414 | 417 | QModelIndex xIndex = xModelIndex(i - m_first); |
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415 | 418 | QModelIndex yIndex = yModelIndex(i - m_first); |
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416 | 419 | if (xIndex.isValid() && yIndex.isValid()) { |
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417 | 420 | point.setX(m_model->data(xIndex, Qt::DisplayRole).toDouble()); |
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418 | 421 | point.setY(m_model->data(yIndex, Qt::DisplayRole).toDouble()); |
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419 | 422 | m_series->insert(i - m_first, point); |
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420 | 423 | } |
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421 | 424 | } |
|
422 | 425 | |
|
423 | 426 | // remove excess of slices (abouve m_count) |
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424 | 427 | if (m_count != -1 && m_series->points().size() > m_count) |
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425 | 428 | for (int i = m_series->points().size() - 1; i >= m_count; i--) { |
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426 | 429 | m_series->remove(m_series->points().at(i)); |
|
427 | 430 | } |
|
428 | 431 | } |
|
429 | 432 | } |
|
430 | 433 | |
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431 | 434 | void QXYModelMapperPrivate::removeData(int start, int end) |
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432 | 435 | { |
|
433 | 436 | if (m_model == 0 || m_series == 0) |
|
434 | 437 | return; |
|
435 | 438 | |
|
436 | 439 | int removedCount = end - start + 1; |
|
437 | 440 | if (m_count != -1 && start >= m_first + m_count) { |
|
438 | 441 | return; |
|
439 | 442 | } else { |
|
440 | 443 | int toRemove = qMin(m_series->count(), removedCount); // first find how many items can actually be removed |
|
441 | 444 | int first = qMax(start, m_first); // get the index of the first item that will be removed. |
|
442 | 445 | int last = qMin(first + toRemove - 1, m_series->count() + m_first - 1); // get the index of the last item that will be removed. |
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443 | 446 | for (int i = last; i >= first; i--) { |
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444 | 447 | m_series->remove(m_series->points().at(i - m_first)); |
|
445 | 448 | } |
|
446 | 449 | |
|
447 | 450 | if (m_count != -1) { |
|
448 | 451 | int itemsAvailable; // check how many are available to be added |
|
449 | 452 | if (m_orientation == Qt::Vertical) |
|
450 | 453 | itemsAvailable = m_model->rowCount() - m_first - m_series->count(); |
|
451 | 454 | else |
|
452 | 455 | itemsAvailable = m_model->columnCount() - m_first - m_series->count(); |
|
453 | 456 | int toBeAdded = qMin(itemsAvailable, m_count - m_series->count()); // add not more items than there is space left to be filled. |
|
454 | 457 | int currentSize = m_series->count(); |
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455 | 458 | if (toBeAdded > 0) |
|
456 | 459 | for (int i = m_series->count(); i < currentSize + toBeAdded; i++) { |
|
457 | 460 | QPointF point; |
|
458 | 461 | QModelIndex xIndex = xModelIndex(i); |
|
459 | 462 | QModelIndex yIndex = yModelIndex(i); |
|
460 | 463 | if (xIndex.isValid() && yIndex.isValid()) { |
|
461 | 464 | point.setX(m_model->data(xIndex, Qt::DisplayRole).toDouble()); |
|
462 | 465 | point.setY(m_model->data(yIndex, Qt::DisplayRole).toDouble()); |
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463 | 466 | m_series->insert(i, point); |
|
464 | 467 | } |
|
465 | 468 | } |
|
466 | 469 | } |
|
467 | 470 | } |
|
468 | 471 | } |
|
469 | 472 | |
|
470 | 473 | void QXYModelMapperPrivate::initializeXYFromModel() |
|
471 | 474 | { |
|
472 | 475 | if (m_model == 0 || m_series == 0) |
|
473 | 476 | return; |
|
474 | 477 | |
|
475 | 478 | blockSeriesSignals(); |
|
476 | 479 | // clear current content |
|
477 | 480 | m_series->clear(); |
|
478 | 481 | |
|
479 | 482 | // create the initial slices set |
|
480 | 483 | int pointPos = 0; |
|
481 | 484 | QModelIndex xIndex = xModelIndex(pointPos); |
|
482 | 485 | QModelIndex yIndex = yModelIndex(pointPos); |
|
483 | 486 | while (xIndex.isValid() && yIndex.isValid()) { |
|
484 | 487 | QPointF point; |
|
485 | 488 | point.setX(m_model->data(xIndex, Qt::DisplayRole).toDouble()); |
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486 | 489 | point.setY(m_model->data(yIndex, Qt::DisplayRole).toDouble()); |
|
487 | 490 | m_series->append(point); |
|
488 | 491 | pointPos++; |
|
489 | 492 | xIndex = xModelIndex(pointPos); |
|
490 | 493 | yIndex = yModelIndex(pointPos); |
|
491 | 494 | } |
|
492 | 495 | blockSeriesSignals(false); |
|
493 | 496 | } |
|
494 | 497 | |
|
495 | 498 | #include "moc_qxymodelmapper.cpp" |
|
496 | 499 | #include "moc_qxymodelmapper_p.cpp" |
|
497 | 500 | |
|
498 | 501 | QTCOMMERCIALCHART_END_NAMESPACE |
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