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50
51#include "mysortfilterproxymodel.h"
52
53#include <QtWidgets>
54
55//! [0]
56MySortFilterProxyModel::MySortFilterProxyModel(QObject *parent)
57 : QSortFilterProxyModel(parent)
58{
59}
60//! [0]
61
62//! [1]
63void MySortFilterProxyModel::setFilterMinimumDate(const QDate &date)
64{
65 minDate = date;
66 invalidateFilter();
67}
68//! [1]
69
70//! [2]
71void MySortFilterProxyModel::setFilterMaximumDate(const QDate &date)
72{
73 maxDate = date;
74 invalidateFilter();
75}
76//! [2]
77
78//! [3]
79bool 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]
93bool 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.type() == QVariant::DateTime) {
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]
125bool MySortFilterProxyModel::dateInRange(const QDate &date) const
126{
127 return (!minDate.isValid() || date > minDate)
128 && (!maxDate.isValid() || date < maxDate);
129}
130//! [7]
131