File indexing completed on 2024-06-02 05:33:04

 /*
  * SPDX-FileCopyrightText: 2014 Kevin Ottens <ervin@kde.org>
    SPDX-FileCopyrightText: 2015 Franck Arrecot <franck.arrecot@gmail.com>
    * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
    */
 
 
 #include "quickselectdialog.h"
 
 #include <QDialogButtonBox>
 #include <QEvent>
 #include <QHeaderView>
 #include <QKeyEvent>
 #include <QLabel>
 #include <QSortFilterProxyModel>
 #include <QTreeView>
 #include <QVBoxLayout>
 
 #include <KLocalizedString>
 
 using namespace Widgets;
 
 QuickSelectDialog::QuickSelectDialog(QWidget *parent)
     : QDialog(parent),
       m_model(nullptr),
       m_filterProxyModel(new QSortFilterProxyModel(this)),
       m_label(new QLabel(this)),
       m_tree(new QTreeView(this))
 {
     setWindowTitle(i18nc("@title:window", "Quick Select Dialog"));
 
     m_label->setText(i18n("You can start typing to filter the list of available pages"));
     m_filterProxyModel->setRecursiveFilteringEnabled(true);
 
     m_tree->setModel(m_filterProxyModel);
     m_tree->setObjectName(QLatin1StringView("pagesView"));
     m_tree->header()->hide();
     m_tree->expandAll();
     m_tree->setFocus();
     m_tree->setSelectionMode(QAbstractItemView::SingleSelection);
     m_tree->setSortingEnabled(false);
     m_tree->installEventFilter(this);
 
     auto buttonBox = new QDialogButtonBox(this);
     buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
 
     auto mainLayout = new QVBoxLayout(this);
     mainLayout->addWidget(m_label);
     mainLayout->addWidget(m_tree);
     mainLayout->addWidget(buttonBox);
 
     connect(buttonBox, &QDialogButtonBox::accepted, this, &QuickSelectDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, this, &QuickSelectDialog::reject);
 }
 
 int QuickSelectDialog::exec()
 {
     return QDialog::exec();
 }
 
 QPersistentModelIndex QuickSelectDialog::selectedIndex() const
 {
     QModelIndex selected = m_tree->currentIndex();
     return m_filterProxyModel->mapToSource(selected);
 }
 
 void QuickSelectDialog::applyFilterChanged(const QString &textFilter)
 {
     if (textFilter.isEmpty())
         m_label->setText(i18n("You can start typing to filter the list of available pages"));
     else
         m_label->setText(i18n("Path: %1", textFilter));
 
     m_filterProxyModel->setFilterRegularExpression(QRegularExpression(textFilter, QRegularExpression::CaseInsensitiveOption));
     m_tree->expandAll();
 }
 
 bool QuickSelectDialog::eventFilter(QObject *, QEvent *ev)
 {
     if (ev->type() == QEvent::KeyPress) {
         auto event = static_cast<QKeyEvent*>(ev);
         auto filter = m_filterProxyModel->filterRegularExpression().pattern();
 
         switch (event->key()) {
         case Qt::Key_Backspace:
             filter.chop(1);
             break;
         case Qt::Key_Delete:
             filter = QString();
             break;
         default:
             if (event->text().contains(QRegularExpression(QStringLiteral("^(\\w| )+$")))) {
                 filter += event->text();
             }
             break;
         }
 
         applyFilterChanged(filter);
     }
     return false;
 }
 
 void QuickSelectDialog::setModel(QAbstractItemModel *model)
 {
     if (model == m_model)
         return;
 
     m_model = model;
     m_filterProxyModel->setSourceModel(m_model);
     m_tree->expandAll();
 }
 
 #include "moc_quickselectdialog.cpp"