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comparison examples/itemviews/customsortfiltermodel/mysortfilterproxymodel_d1.d @ 216:06e7d3219464

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author SokoL_SD
date Tue, 14 Jul 2009 15:28:22 +0000
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1 /****************************************************************************
2 **
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: Qt Software Information (qt-info@nokia.com)
5 **
6 ** This file is part of the examples of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial Usage
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Nokia.
14 **
15 ** GNU Lesser General Public License Usage
16 ** Alternatively, this file may be used under the terms of the GNU Lesser
17 ** General Public License version 2.1 as published by the Free Software
18 ** Foundation and appearing in the file LICENSE.LGPL included in the
19 ** packaging of this file. Please review the following information to
20 ** ensure the GNU Lesser General Public License version 2.1 requirements
21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22 **
23 ** In addition, as a special exception, Nokia gives you certain
24 ** additional rights. These rights are described in the Nokia Qt LGPL
25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26 ** package.
27 **
28 ** GNU General Public License Usage
29 ** Alternatively, this file may be used under the terms of the GNU
30 ** General Public License version 3.0 as published by the Free Software
31 ** Foundation and appearing in the file LICENSE.GPL included in the
32 ** packaging of this file. Please review the following information to
33 ** ensure the GNU General Public License version 3.0 requirements will be
34 ** met: http://www.gnu.org/copyleft/gpl.html.
35 **
36 ** If you are unsure which license is appropriate for your use, please
37 ** contact the sales department at qt-sales@nokia.com.
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 module mysortfilterproxymodel_d1;
42
43 import qt.core.QDate;
44 import qt.core.QVariant;
45 import qt.core.QDateTime;
46 import qt.gui.QSortFilterProxyModel;
47
48
49 class MySortFilterProxyModel : public QSortFilterProxyModel
50 {
51 public:
52
53 this(QObject parent = null)
54 {
55 super(parent);
56 minDate = new QDate();
57 maxDate = new QDate();
58 }
59
60 QDate filterMinimumDate()
61 {
62 return minDate;
63 }
64
65 void setFilterMinimumDate(QDate date)
66 {
67 minDate = date;
68 invalidateFilter();
69 }
70
71 QDate filterMaximumDate()
72 {
73 return maxDate;
74 }
75
76 void setFilterMaximumDate(QDate date)
77 {
78 maxDate = date;
79 invalidateFilter();
80 }
81
82 protected:
83
84 override bool filterAcceptsRow(int sourceRow, QModelIndex sourceParent)
85 {
86 QModelIndex index0 = sourceModel().index(sourceRow, 0, sourceParent);
87 QModelIndex index1 = sourceModel().index(sourceRow, 1, sourceParent);
88 QModelIndex index2 = sourceModel().index(sourceRow, 2, sourceParent);
89
90 static bool contains(string str, QRegExp rx1)
91 {
92 auto rx2 = new QRegExp(rx1);
93 return (rx2.indexIn(str, 0) != -1);
94 }
95
96 return (contains(sourceModel().data(index0).toString(), filterRegExp())
97 || contains(sourceModel().data(index1).toString(), filterRegExp()))
98 && dateInRange(sourceModel().data(index2).toDate());
99 }
100
101 override bool lessThan(QModelIndex left, QModelIndex right)
102 {
103 QVariant leftData = sourceModel().data(left);
104 QVariant rightData = sourceModel().data(right);
105
106 if (leftData.type() == QVariant.Type.DateTime) {
107 return leftData.toDateTime() < rightData.toDateTime();
108 } else {
109 QRegExp emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)");
110
111 string leftString = leftData.toString();
112 if(left.column() == 1 && emailPattern.indexIn(leftString) != -1)
113 leftString = emailPattern.cap(1);
114
115 string rightString = rightData.toString();
116 if(right.column() == 1 && emailPattern.indexIn(rightString) != -1)
117 rightString = emailPattern.cap(1);
118
119 return leftString < rightString;
120 }
121 }
122
123 private:
124
125 bool dateInRange(QDate date)
126 {
127 return (!minDate.isValid() || date > minDate) && (!maxDate.isValid() || date < maxDate);
128 }
129
130 QDate minDate;
131 QDate maxDate;
132 }