File indexing completed on 2024-11-24 04:53:15

 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of
    the License or (at your option) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "VisibleTasksModel.h"
 #include "kdeui-itemviews/kdescendantsproxymodel.h"
 #include "ItemRoles.h"
 
 namespace Imap
 {
 namespace Mailbox
 {
 
 /** @short Construct the required proxy model hierarchy */
 VisibleTasksModel::VisibleTasksModel(QObject *parent, QAbstractItemModel *taskModel) :
     QSortFilterProxyModel(parent)
 {
     m_flatteningModel = new KDescendantsProxyModel(this);
     m_flatteningModel->setSourceModel(taskModel);
     setSourceModel(m_flatteningModel);
     setDynamicSortFilter(true);
     connect(m_flatteningModel, &QAbstractItemModel::rowsInserted, this, &VisibleTasksModel::hasVisibleTasksChanged);
     connect(m_flatteningModel, &QAbstractItemModel::rowsRemoved, this, &VisibleTasksModel::hasVisibleTasksChanged);
     connect(m_flatteningModel, &QAbstractItemModel::modelReset, this, &VisibleTasksModel::hasVisibleTasksChanged);
     connect(m_flatteningModel, &QAbstractItemModel::layoutChanged, this, &VisibleTasksModel::hasVisibleTasksChanged);
 }
 
 QHash<int, QByteArray> VisibleTasksModel::roleNames() const
 {
     QHash<int, QByteArray> roleNames;
     roleNames[RoleTaskCompactName] = "compactName";
     return roleNames;
 }
 
 /** @short Reimplemented from QSortFilterProxyModel */
 bool VisibleTasksModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
 {
     QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
     if (index.data(RoleTaskIsParserState).toBool()) {
         return false;
     }
 
     return index.data(RoleTaskIsVisible).toBool();
 }
 
 bool VisibleTasksModel::hasVisibleTasks() const
 {
     return rowCount();
 }
 
 }
 }