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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the examples of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "tablemodel.h" |
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43 |
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44 //! [0] |
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45 TableModel::TableModel(QObject *parent) |
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46 : QAbstractTableModel(parent) |
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47 { |
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48 } |
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49 |
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50 TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent) |
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51 : QAbstractTableModel(parent) |
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52 { |
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53 listOfPairs=pairs; |
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54 } |
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55 //! [0] |
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56 |
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57 //! [1] |
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58 int TableModel::rowCount(const QModelIndex &parent) const |
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59 { |
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60 Q_UNUSED(parent); |
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61 return listOfPairs.size(); |
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62 } |
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63 |
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64 int TableModel::columnCount(const QModelIndex &parent) const |
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65 { |
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66 Q_UNUSED(parent); |
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67 return 2; |
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68 } |
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69 //! [1] |
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70 |
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71 //! [2] |
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72 QVariant TableModel::data(const QModelIndex &index, int role) const |
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73 { |
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74 if (!index.isValid()) |
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75 return QVariant(); |
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76 |
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77 if (index.row() >= listOfPairs.size() || index.row() < 0) |
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78 return QVariant(); |
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79 |
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80 if (role == Qt::DisplayRole) { |
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81 QPair<QString, QString> pair = listOfPairs.at(index.row()); |
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82 |
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83 if (index.column() == 0) |
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84 return pair.first; |
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85 else if (index.column() == 1) |
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86 return pair.second; |
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87 } |
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88 return QVariant(); |
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89 } |
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90 //! [2] |
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91 |
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92 //! [3] |
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93 QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const |
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94 { |
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95 if (role != Qt::DisplayRole) |
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96 return QVariant(); |
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97 |
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98 if (orientation == Qt::Horizontal) { |
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99 switch (section) { |
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100 case 0: |
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101 return tr("Name"); |
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102 |
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103 case 1: |
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104 return tr("Address"); |
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105 |
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106 default: |
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107 return QVariant(); |
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108 } |
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109 } |
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110 return QVariant(); |
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111 } |
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112 //! [3] |
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113 |
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114 //! [4] |
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115 bool TableModel::insertRows(int position, int rows, const QModelIndex &index) |
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116 { |
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117 Q_UNUSED(index); |
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118 beginInsertRows(QModelIndex(), position, position+rows-1); |
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119 |
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120 for (int row=0; row < rows; row++) { |
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121 QPair<QString, QString> pair(" ", " "); |
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122 listOfPairs.insert(position, pair); |
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123 } |
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124 |
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125 endInsertRows(); |
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126 return true; |
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127 } |
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128 //! [4] |
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129 |
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130 //! [5] |
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131 bool TableModel::removeRows(int position, int rows, const QModelIndex &index) |
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132 { |
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133 Q_UNUSED(index); |
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134 beginRemoveRows(QModelIndex(), position, position+rows-1); |
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135 |
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136 for (int row=0; row < rows; ++row) { |
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137 listOfPairs.removeAt(position); |
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138 } |
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139 |
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140 endRemoveRows(); |
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141 return true; |
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142 } |
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143 //! [5] |
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144 |
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145 //! [6] |
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146 bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role) |
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147 { |
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148 if (index.isValid() && role == Qt::EditRole) { |
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149 int row = index.row(); |
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150 |
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151 QPair<QString, QString> p = listOfPairs.value(row); |
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152 |
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153 if (index.column() == 0) |
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154 p.first = value.toString(); |
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155 else if (index.column() == 1) |
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156 p.second = value.toString(); |
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157 else |
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158 return false; |
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159 |
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160 listOfPairs.replace(row, p); |
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161 emit(dataChanged(index, index)); |
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162 |
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163 return true; |
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164 } |
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165 |
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166 return false; |
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167 } |
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168 //! [6] |
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169 |
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170 //! [7] |
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171 Qt::ItemFlags TableModel::flags(const QModelIndex &index) const |
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172 { |
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173 if (!index.isValid()) |
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174 return Qt::ItemIsEnabled; |
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175 |
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176 return QAbstractTableModel::flags(index) | Qt::ItemIsEditable; |
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177 } |
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178 //! [7] |
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179 |
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180 //! [8] |
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181 QList< QPair<QString, QString> > TableModel::getList() |
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182 { |
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183 return listOfPairs; |
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184 } |
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185 //! [8] |