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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 window;
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42
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43
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44 import qt.core.QAbstractItemModel;
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45 import qt.gui.QWidget;
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46 import qt.gui.QCheckBox;
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47 import qt.gui.QComboBox;
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48 import qt.gui.QDateEdit;
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49 import qt.gui.QGroupBox;
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50 import qt.gui.QLabel;
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51 import qt.gui.QLineEdit;
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52 import qt.gui.QTreeView;
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53 import qt.gui.QHBoxLayout;
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54 import qt.gui.QVBoxLayout;
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55 import qt.gui.QGridLayout;
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56
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57 import mysortfilterproxymodel;
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58
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59
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60 class Window : public QWidget
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61 {
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62 public:
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63
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64 this()
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65 {
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66 proxyModel = new MySortFilterProxyModel(this);
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67 proxyModel.setDynamicSortFilter(true);
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68
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69 sourceView = new QTreeView;
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70 sourceView.setRootIsDecorated(false);
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71 sourceView.setAlternatingRowColors(true);
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72
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73 QHBoxLayout sourceLayout = new QHBoxLayout;
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74
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75 sourceLayout.addWidget(sourceView);
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76 sourceGroupBox = new QGroupBox(tr("Original Model"));
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77 sourceGroupBox.setLayout(sourceLayout);
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78
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79 filterCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive filter"));
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80 filterCaseSensitivityCheckBox.setChecked(true);
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81
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82 filterPatternLineEdit = new QLineEdit;
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83 filterPatternLineEdit.setText("Grace|Sports");
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84
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85 filterPatternLabel = new QLabel(tr("&Filter pattern:"));
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86 filterPatternLabel.setBuddy(filterPatternLineEdit);
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87
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88 filterSyntaxComboBox = new QComboBox;
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89 filterSyntaxComboBox.addItem(tr("Regular expression"), new QVariant(cast(ulong) QRegExp.RegExp));
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90 filterSyntaxComboBox.addItem(tr("Wildcard"), new QVariant(cast(ulong) QRegExp.Wildcard));
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91 filterSyntaxComboBox.addItem(tr("Fixed string"), new QVariant(cast(ulong) QRegExp.FixedString));
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92
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93 fromDateEdit = new QDateEdit;
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94 fromDateEdit.setDate(new QDate(1970, 01, 01));
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95 fromLabel = new QLabel(tr("F&rom:"));
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96 fromLabel.setBuddy(fromDateEdit);
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97
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98 toDateEdit = new QDateEdit;
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99 toDateEdit.setDate(new QDate(2099, 12, 31));
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100 toLabel = new QLabel(tr("&To:"));
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101 toLabel.setBuddy(toDateEdit);
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102
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103 filterPatternLineEdit.textChanged.connect(&this.textFilterChanged);
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104 filterSyntaxComboBox.currentIndexChanged.connect(&this.textFilterChanged);
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105 filterCaseSensitivityCheckBox.toggled.connect(&this.textFilterChanged);
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106 fromDateEdit.dateChanged.connect(&this.dateFilterChanged);
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107 toDateEdit.dateChanged.connect(&this.dateFilterChanged);
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108
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109 proxyView = new QTreeView;
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110 proxyView.setRootIsDecorated(false);
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111 proxyView.setAlternatingRowColors(true);
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112 proxyView.setModel(proxyModel);
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113 proxyView.setSortingEnabled(true);
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114 proxyView.sortByColumn(1, Qt.AscendingOrder);
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115
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116 QGridLayout proxyLayout = new QGridLayout;
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117 proxyLayout.addWidget(proxyView, 0, 0, 1, 3);
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118 proxyLayout.addWidget(filterPatternLabel, 1, 0);
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119 proxyLayout.addWidget(filterPatternLineEdit, 1, 1);
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120 proxyLayout.addWidget(filterSyntaxComboBox, 1, 2);
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121 proxyLayout.addWidget(filterCaseSensitivityCheckBox, 2, 0, 1, 3);
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122 proxyLayout.addWidget(fromLabel, 3, 0);
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123 proxyLayout.addWidget(fromDateEdit, 3, 1, 1, 2);
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124 proxyLayout.addWidget(toLabel, 4, 0);
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125 proxyLayout.addWidget(toDateEdit, 4, 1, 1, 2);
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126
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127 proxyGroupBox = new QGroupBox(tr("Sorted/Filtered Model"));
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128 proxyGroupBox.setLayout(proxyLayout);
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129
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130 QVBoxLayout mainLayout = new QVBoxLayout;
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131 mainLayout.addWidget(sourceGroupBox);
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132 mainLayout.addWidget(proxyGroupBox);
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133 setLayout(mainLayout);
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134
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135 setWindowTitle(tr("Custom Sort/Filter Model"));
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136 resize(500, 450);
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137 }
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138
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139 void setSourceModel(QAbstractItemModel model)
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140 {
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141 proxyModel.setSourceModel(model);
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142 sourceView.setModel(model);
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143 }
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144
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145 private:
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146
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147 void textFilterChanged()
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148 {
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149 QRegExp.PatternSyntax syntax = cast(QRegExp.PatternSyntax) filterSyntaxComboBox.itemData(
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150 filterSyntaxComboBox.currentIndex()).toInt();
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151 Qt.CaseSensitivity caseSensitivity =
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152 filterCaseSensitivityCheckBox.isChecked() ? Qt.CaseSensitive
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153 : Qt.CaseInsensitive;
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154
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155 auto regExp = new QRegExp(filterPatternLineEdit.text(), caseSensitivity, syntax);
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156 proxyModel.setFilterRegExp(regExp);
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157 }
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158
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159 void dateFilterChanged()
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160 {
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161 proxyModel.setFilterMinimumDate(fromDateEdit.date());
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162 proxyModel.setFilterMaximumDate(toDateEdit.date());
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163 }
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164
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165 private:
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166
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167 MySortFilterProxyModel proxyModel;
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168
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169 QGroupBox sourceGroupBox;
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170 QGroupBox proxyGroupBox;
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171 QTreeView sourceView;
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172 QTreeView proxyView;
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173 QCheckBox filterCaseSensitivityCheckBox;
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174 QLabel filterPatternLabel;
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175 QLabel fromLabel;
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176 QLabel toLabel;
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177 QLineEdit filterPatternLineEdit;
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178 QComboBox filterSyntaxComboBox;
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179 QDateEdit fromDateEdit;
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180 QDateEdit toDateEdit;
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181 }
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