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50
51#include "window.h"
52#include "mysortfilterproxymodel.h"
53#include "filterwidget.h"
54
55#include <QtWidgets>
56
57//! [0]
58Window::Window()
59{
60 proxyModel = new MySortFilterProxyModel(this);
61 //! [0]
62
63 //! [1]
64 sourceView = new QTreeView;
65 sourceView->setRootIsDecorated(false);
66 sourceView->setAlternatingRowColors(true);
67 //! [1]
68
69 QHBoxLayout *sourceLayout = new QHBoxLayout;
70 //! [2]
71 sourceLayout->addWidget(sourceView);
72 sourceGroupBox = new QGroupBox(tr(s: "Original Model"));
73 sourceGroupBox->setLayout(sourceLayout);
74 //! [2]
75
76 //! [3]
77 filterWidget = new FilterWidget;
78 filterWidget->setText(tr(s: "Grace|Sports"));
79 connect(sender: filterWidget, signal: &FilterWidget::filterChanged, receiver: this, slot: &Window::textFilterChanged);
80
81 filterPatternLabel = new QLabel(tr(s: "&Filter pattern:"));
82 filterPatternLabel->setBuddy(filterWidget);
83
84 fromDateEdit = new QDateEdit;
85 fromDateEdit->setDate(QDate(1970, 01, 01));
86 fromLabel = new QLabel(tr(s: "F&rom:"));
87 fromLabel->setBuddy(fromDateEdit);
88
89 toDateEdit = new QDateEdit;
90 toDateEdit->setDate(QDate(2099, 12, 31));
91 toLabel = new QLabel(tr(s: "&To:"));
92 toLabel->setBuddy(toDateEdit);
93
94 connect(sender: filterWidget, signal: &QLineEdit::textChanged,
95 receiver: this, slot: &Window::textFilterChanged);
96 connect(sender: fromDateEdit, signal: &QDateTimeEdit::dateChanged,
97 receiver: this, slot: &Window::dateFilterChanged);
98 connect(sender: toDateEdit, signal: &QDateTimeEdit::dateChanged,
99 //! [3] //! [4]
100 receiver: this, slot: &Window::dateFilterChanged);
101 //! [4]
102
103 //! [5]
104 proxyView = new QTreeView;
105 proxyView->setRootIsDecorated(false);
106 proxyView->setAlternatingRowColors(true);
107 proxyView->setModel(proxyModel);
108 proxyView->setSortingEnabled(true);
109 proxyView->sortByColumn(column: 1, order: Qt::AscendingOrder);
110
111 QGridLayout *proxyLayout = new QGridLayout;
112 proxyLayout->addWidget(proxyView, row: 0, column: 0, rowSpan: 1, columnSpan: 3);
113 proxyLayout->addWidget(filterPatternLabel, row: 1, column: 0);
114 proxyLayout->addWidget(filterWidget, row: 1, column: 1);
115 proxyLayout->addWidget(fromLabel, row: 3, column: 0);
116 proxyLayout->addWidget(fromDateEdit, row: 3, column: 1, rowSpan: 1, columnSpan: 2);
117 proxyLayout->addWidget(toLabel, row: 4, column: 0);
118 proxyLayout->addWidget(toDateEdit, row: 4, column: 1, rowSpan: 1, columnSpan: 2);
119
120 proxyGroupBox = new QGroupBox(tr(s: "Sorted/Filtered Model"));
121 proxyGroupBox->setLayout(proxyLayout);
122 //! [5]
123
124 //! [6]
125 QVBoxLayout *mainLayout = new QVBoxLayout;
126 mainLayout->addWidget(sourceGroupBox);
127 mainLayout->addWidget(proxyGroupBox);
128 setLayout(mainLayout);
129
130 setWindowTitle(tr(s: "Custom Sort/Filter Model"));
131 resize(w: 500, h: 450);
132}
133//! [6]
134
135//! [7]
136void Window::setSourceModel(QAbstractItemModel *model)
137{
138 proxyModel->setSourceModel(model);
139 sourceView->setModel(model);
140
141 for (int i = 0; i < proxyModel->columnCount(); ++i)
142 proxyView->resizeColumnToContents(column: i);
143 for (int i = 0; i < model->columnCount(); ++i)
144 sourceView->resizeColumnToContents(column: i);
145}
146//! [7]
147
148//! [8]
149void Window::textFilterChanged()
150{
151 QRegExp regExp(filterWidget->text(),
152 filterWidget->caseSensitivity(),
153 filterWidget->patternSyntax());
154 proxyModel->setFilterRegExp(regExp);
155}
156//! [8]
157
158//! [9]
159void Window::dateFilterChanged()
160{
161 proxyModel->setFilterMinimumDate(fromDateEdit->date());
162 proxyModel->setFilterMaximumDate(toDateEdit->date());
163}
164//! [9]
165

source code of qtbase/examples/widgets/itemviews/customsortfiltermodel/window.cpp