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50
51 #include "mysortfilterproxymodel.h"
52
53 #include <QtWidgets>
54
55 //! [0]
MySortFilterProxyModel(QObject * parent)56 MySortFilterProxyModel::MySortFilterProxyModel(QObject *parent)
57 : QSortFilterProxyModel(parent)
58 {
59 }
60 //! [0]
61
62 //! [1]
setFilterMinimumDate(QDate date)63 void MySortFilterProxyModel::setFilterMinimumDate(QDate date)
64 {
65 minDate = date;
66 invalidateFilter();
67 }
68 //! [1]
69
70 //! [2]
setFilterMaximumDate(QDate date)71 void MySortFilterProxyModel::setFilterMaximumDate(QDate date)
72 {
73 maxDate = date;
74 invalidateFilter();
75 }
76 //! [2]
77
78 //! [3]
filterAcceptsRow(int sourceRow,const QModelIndex & sourceParent) const79 bool MySortFilterProxyModel::filterAcceptsRow(int sourceRow,
80 const QModelIndex &sourceParent) const
81 {
82 QModelIndex index0 = sourceModel()->index(sourceRow, 0, sourceParent);
83 QModelIndex index1 = sourceModel()->index(sourceRow, 1, sourceParent);
84 QModelIndex index2 = sourceModel()->index(sourceRow, 2, sourceParent);
85
86 return (sourceModel()->data(index0).toString().contains(filterRegExp())
87 || sourceModel()->data(index1).toString().contains(filterRegExp()))
88 && dateInRange(sourceModel()->data(index2).toDate());
89 }
90 //! [3]
91
92 //! [4] //! [5]
lessThan(const QModelIndex & left,const QModelIndex & right) const93 bool MySortFilterProxyModel::lessThan(const QModelIndex &left,
94 const QModelIndex &right) const
95 {
96 QVariant leftData = sourceModel()->data(left);
97 QVariant rightData = sourceModel()->data(right);
98 //! [4]
99
100 //! [6]
101 if (leftData.userType() == QMetaType::QDateTime) {
102 return leftData.toDateTime() < rightData.toDateTime();
103 } else {
104 static const QRegularExpression emailPattern("[\\w\\.]*@[\\w\\.]*");
105
106 QString leftString = leftData.toString();
107 if (left.column() == 1) {
108 const QRegularExpressionMatch match = emailPattern.match(leftString);
109 if (match.hasMatch())
110 leftString = match.captured(0);
111 }
112 QString rightString = rightData.toString();
113 if (right.column() == 1) {
114 const QRegularExpressionMatch match = emailPattern.match(rightString);
115 if (match.hasMatch())
116 rightString = match.captured(0);
117 }
118
119 return QString::localeAwareCompare(leftString, rightString) < 0;
120 }
121 }
122 //! [5] //! [6]
123
124 //! [7]
dateInRange(QDate date) const125 bool MySortFilterProxyModel::dateInRange(QDate date) const
126 {
127 return (!minDate.isValid() || date > minDate)
128 && (!maxDate.isValid() || date < maxDate);
129 }
130 //! [7]
131