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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 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the examples of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41 module mysortfilterproxymodel_d1;
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42
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43 import qt.core.QDate;
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44 import qt.core.QVariant;
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45 import qt.core.QDateTime;
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46 import qt.gui.QSortFilterProxyModel;
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47
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48
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49 class MySortFilterProxyModel : public QSortFilterProxyModel
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50 {
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51 public:
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52
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53 this(QObject parent = null)
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54 {
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55 super(parent);
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56 minDate = new QDate();
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57 maxDate = new QDate();
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58 }
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59
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60 QDate filterMinimumDate()
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61 {
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62 return minDate;
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63 }
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64
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65 void setFilterMinimumDate(QDate date)
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66 {
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67 minDate = date;
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68 invalidateFilter();
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69 }
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70
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71 QDate filterMaximumDate()
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72 {
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73 return maxDate;
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74 }
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75
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76 void setFilterMaximumDate(QDate date)
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77 {
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78 maxDate = date;
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79 invalidateFilter();
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80 }
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81
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82 protected:
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83
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84 override bool filterAcceptsRow(int sourceRow, QModelIndex sourceParent)
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85 {
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86 QModelIndex index0 = sourceModel().index(sourceRow, 0, sourceParent);
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87 QModelIndex index1 = sourceModel().index(sourceRow, 1, sourceParent);
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88 QModelIndex index2 = sourceModel().index(sourceRow, 2, sourceParent);
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89
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90 static bool contains(string str, QRegExp rx1)
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91 {
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92 auto rx2 = new QRegExp(rx1);
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93 return (rx2.indexIn(str, 0) != -1);
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94 }
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95
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96 return (contains(sourceModel().data(index0).toString(), filterRegExp())
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97 || contains(sourceModel().data(index1).toString(), filterRegExp()))
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98 && dateInRange(sourceModel().data(index2).toDate());
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99 }
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100
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101 override bool lessThan(QModelIndex left, QModelIndex right)
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102 {
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103 QVariant leftData = sourceModel().data(left);
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104 QVariant rightData = sourceModel().data(right);
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105
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106 if (leftData.type() == QVariant.Type.DateTime) {
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107 return leftData.toDateTime() < rightData.toDateTime();
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108 } else {
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109 QRegExp emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)");
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110
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111 string leftString = leftData.toString();
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112 if(left.column() == 1 && emailPattern.indexIn(leftString) != -1)
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113 leftString = emailPattern.cap(1);
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114
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115 string rightString = rightData.toString();
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116 if(right.column() == 1 && emailPattern.indexIn(rightString) != -1)
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117 rightString = emailPattern.cap(1);
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118
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119 return leftString < rightString;
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120 }
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121 }
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122
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123 private:
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124
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125 bool dateInRange(QDate date)
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126 {
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127 return (!minDate.isValid() || date > minDate) && (!maxDate.isValid() || date < maxDate);
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128 }
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129
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130 QDate minDate;
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131 QDate maxDate;
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132 }
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