| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the examples of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
| ** * Redistributions of source code must retain the above copyright |
| ** notice, this list of conditions and the following disclaimer. |
| ** * Redistributions in binary form must reproduce the above copyright |
| ** notice, this list of conditions and the following disclaimer in |
| ** the documentation and/or other materials provided with the |
| ** distribution. |
| ** * Neither the name of The Qt Company Ltd nor the names of its |
| ** contributors may be used to endorse or promote products derived |
| ** from this software without specific prior written permission. |
| ** |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "window.h" |
| #include "mysortfilterproxymodel.h" |
| #include "filterwidget.h" |
| |
| #include <QtWidgets> |
| |
| //! [0] |
| Window::Window() |
| { |
| proxyModel = new MySortFilterProxyModel(this); |
| //! [0] |
| |
| //! [1] |
| sourceView = new QTreeView; |
| sourceView->setRootIsDecorated(false); |
| sourceView->setAlternatingRowColors(true); |
| //! [1] |
| |
| QHBoxLayout *sourceLayout = new QHBoxLayout; |
| //! [2] |
| sourceLayout->addWidget(sourceView); |
| sourceGroupBox = new QGroupBox(tr("Original Model")); |
| sourceGroupBox->setLayout(sourceLayout); |
| //! [2] |
| |
| //! [3] |
| filterWidget = new FilterWidget; |
| filterWidget->setText(tr("Grace|Sports")); |
| connect(filterWidget, &FilterWidget::filterChanged, this, &Window::textFilterChanged); |
| |
| filterPatternLabel = new QLabel(tr("&Filter pattern:")); |
| filterPatternLabel->setBuddy(filterWidget); |
| |
| fromDateEdit = new QDateEdit; |
| fromDateEdit->setDate(QDate(1970, 01, 01)); |
| fromLabel = new QLabel(tr("F&rom:")); |
| fromLabel->setBuddy(fromDateEdit); |
| |
| toDateEdit = new QDateEdit; |
| toDateEdit->setDate(QDate(2099, 12, 31)); |
| toLabel = new QLabel(tr("&To:")); |
| toLabel->setBuddy(toDateEdit); |
| |
| connect(filterWidget, &QLineEdit::textChanged, |
| this, &Window::textFilterChanged); |
| connect(fromDateEdit, &QDateTimeEdit::dateChanged, |
| this, &Window::dateFilterChanged); |
| connect(toDateEdit, &QDateTimeEdit::dateChanged, |
| //! [3] //! [4] |
| this, &Window::dateFilterChanged); |
| //! [4] |
| |
| //! [5] |
| proxyView = new QTreeView; |
| proxyView->setRootIsDecorated(false); |
| proxyView->setAlternatingRowColors(true); |
| proxyView->setModel(proxyModel); |
| proxyView->setSortingEnabled(true); |
| proxyView->sortByColumn(1, Qt::AscendingOrder); |
| |
| QGridLayout *proxyLayout = new QGridLayout; |
| proxyLayout->addWidget(proxyView, 0, 0, 1, 3); |
| proxyLayout->addWidget(filterPatternLabel, 1, 0); |
| proxyLayout->addWidget(filterWidget, 1, 1); |
| proxyLayout->addWidget(fromLabel, 3, 0); |
| proxyLayout->addWidget(fromDateEdit, 3, 1, 1, 2); |
| proxyLayout->addWidget(toLabel, 4, 0); |
| proxyLayout->addWidget(toDateEdit, 4, 1, 1, 2); |
| |
| proxyGroupBox = new QGroupBox(tr("Sorted/Filtered Model")); |
| proxyGroupBox->setLayout(proxyLayout); |
| //! [5] |
| |
| //! [6] |
| QVBoxLayout *mainLayout = new QVBoxLayout; |
| mainLayout->addWidget(sourceGroupBox); |
| mainLayout->addWidget(proxyGroupBox); |
| setLayout(mainLayout); |
| |
| setWindowTitle(tr("Custom Sort/Filter Model")); |
| resize(500, 450); |
| } |
| //! [6] |
| |
| //! [7] |
| void Window::setSourceModel(QAbstractItemModel *model) |
| { |
| proxyModel->setSourceModel(model); |
| sourceView->setModel(model); |
| |
| for (int i = 0; i < proxyModel->columnCount(); ++i) |
| proxyView->resizeColumnToContents(i); |
| for (int i = 0; i < model->columnCount(); ++i) |
| sourceView->resizeColumnToContents(i); |
| } |
| //! [7] |
| |
| //! [8] |
| void Window::textFilterChanged() |
| { |
| QRegExp regExp(filterWidget->text(), |
| filterWidget->caseSensitivity(), |
| filterWidget->patternSyntax()); |
| proxyModel->setFilterRegExp(regExp); |
| } |
| //! [8] |
| |
| //! [9] |
| void Window::dateFilterChanged() |
| { |
| proxyModel->setFilterMinimumDate(fromDateEdit->date()); |
| proxyModel->setFilterMaximumDate(toDateEdit->date()); |
| } |
| //! [9] |