/****************************************************************************
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 ** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
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 ** License version 2.0 as published by the Free Software Foundation
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 ** this file.  Please review the following information to ensure GNU
 ** General Public Licensing requirements will be met:
 ** http://trolltech.com/products/qt/licenses/licensing/opensource/
 **
 ** If you are unsure which license is appropriate for your use, please
 ** review the following information:
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 ** or contact the sales department at sales@trolltech.com.
 **
 ** In addition, as a special exception, Trolltech gives you certain
 ** additional rights. These rights are described in the Trolltech GPL
 ** Exception version 1.0, which can be found at
 ** http://www.trolltech.com/products/qt/gplexception/ and in the file
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 ** In addition, as a special exception, Trolltech, as the sole copyright
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 ** plug-in the right for the Qt/Eclipse Integration to link to
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 ** Trolltech ASA (c) 2007
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 ****************************************************************************/
 
 #include <QtGui>
 
 #include "window.h"
 
 Window::Window()
 {
     proxyModel = new QSortFilterProxyModel;
     proxyModel->setDynamicSortFilter(true);
 
     sourceGroupBox = new QGroupBox(tr("Original Model"));
     proxyGroupBox = new QGroupBox(tr("Sorted/Filtered Model"));
 
     sourceView = new QTreeView;
     sourceView->setRootIsDecorated(false);
     sourceView->setAlternatingRowColors(true);
 
     proxyView = new QTreeView;
     proxyView->setRootIsDecorated(false);
     proxyView->setAlternatingRowColors(true);
     proxyView->setModel(proxyModel);
     proxyView->setSortingEnabled(true);
 
     sortCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive sorting"));
     filterCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive filter"));
 
     filterPatternLineEdit = new QLineEdit;
     filterPatternLabel = new QLabel(tr("&Filter pattern:"));
     filterPatternLabel->setBuddy(filterPatternLineEdit);
 
     filterSyntaxComboBox = new QComboBox;
     filterSyntaxComboBox->addItem(tr("Regular expression"), QRegExp::RegExp);
     filterSyntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
     filterSyntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
     filterSyntaxLabel = new QLabel(tr("Filter &syntax:"));
     filterSyntaxLabel->setBuddy(filterSyntaxComboBox);
 
     filterColumnComboBox = new QComboBox;
     filterColumnComboBox->addItem(tr("Subject"));
     filterColumnComboBox->addItem(tr("Sender"));
     filterColumnComboBox->addItem(tr("Date"));
     filterColumnLabel = new QLabel(tr("Filter &column:"));
     filterColumnLabel->setBuddy(filterColumnComboBox);
 
     connect(filterPatternLineEdit, SIGNAL(textChanged(const QString &)),
             this, SLOT(filterRegExpChanged()));
     connect(filterSyntaxComboBox, SIGNAL(currentIndexChanged(int)),
             this, SLOT(filterRegExpChanged()));
     connect(filterColumnComboBox, SIGNAL(currentIndexChanged(int)),
             this, SLOT(filterColumnChanged()));
     connect(filterCaseSensitivityCheckBox, SIGNAL(toggled(bool)),
             this, SLOT(filterRegExpChanged()));
     connect(sortCaseSensitivityCheckBox, SIGNAL(toggled(bool)),
             this, SLOT(sortChanged()));
 
     QHBoxLayout *sourceLayout = new QHBoxLayout;
     sourceLayout->addWidget(sourceView);
     sourceGroupBox->setLayout(sourceLayout);
 
     QGridLayout *proxyLayout = new QGridLayout;
     proxyLayout->addWidget(proxyView, 0, 0, 1, 3);
     proxyLayout->addWidget(filterPatternLabel, 1, 0);
     proxyLayout->addWidget(filterPatternLineEdit, 1, 1, 1, 2);
     proxyLayout->addWidget(filterSyntaxLabel, 2, 0);
     proxyLayout->addWidget(filterSyntaxComboBox, 2, 1, 1, 2);
     proxyLayout->addWidget(filterColumnLabel, 3, 0);
     proxyLayout->addWidget(filterColumnComboBox, 3, 1, 1, 2);
     proxyLayout->addWidget(filterCaseSensitivityCheckBox, 4, 0, 1, 2);
     proxyLayout->addWidget(sortCaseSensitivityCheckBox, 4, 2);
     proxyGroupBox->setLayout(proxyLayout);
 
     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->addWidget(sourceGroupBox);
     mainLayout->addWidget(proxyGroupBox);
     setLayout(mainLayout);
 
     setWindowTitle(tr("Basic Sort/Filter Model"));
     resize(500, 450);
 
     proxyView->sortByColumn(1, Qt::AscendingOrder);
     filterColumnComboBox->setCurrentIndex(1);
 
     filterPatternLineEdit->setText("Andy|Grace");
     filterCaseSensitivityCheckBox->setChecked(true);
     sortCaseSensitivityCheckBox->setChecked(true);
 }
 
 void Window::setSourceModel(QAbstractItemModel *model)
 {
     proxyModel->setSourceModel(model);
     sourceView->setModel(model);
 }
 
 void Window::filterRegExpChanged()
 {
     QRegExp::PatternSyntax syntax =
             QRegExp::PatternSyntax(filterSyntaxComboBox->itemData(
                     filterSyntaxComboBox->currentIndex()).toInt());
     Qt::CaseSensitivity caseSensitivity =
             filterCaseSensitivityCheckBox->isChecked() ? Qt::CaseSensitive
                                                        : Qt::CaseInsensitive;
 
     QRegExp regExp(filterPatternLineEdit->text(), caseSensitivity, syntax);
     proxyModel->setFilterRegExp(regExp);
 }
 
 void Window::filterColumnChanged()
 {
     proxyModel->setFilterKeyColumn(filterColumnComboBox->currentIndex());
 }
 
 void Window::sortChanged()
 {
     proxyModel->setSortCaseSensitivity(
             sortCaseSensitivityCheckBox->isChecked() ? Qt::CaseSensitive
                                                      : Qt::CaseInsensitive);
 }