kde-playground/kdepim/examples/coisceim/itemselection.cpp
2015-04-14 21:49:29 +00:00

137 lines
4.1 KiB
C++

/*
This file is part of Akonadi.
Copyright (c) 2011 Stephen Kelly <steveire@gmail.com>
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) any later version.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA.
*/
#include "itemselection.h"
#include <QItemSelectionModel>
#include <KDebug>
#include <Akonadi/EntityTreeModel>
#include <KCalCore/Todo>
#include <KMime/Message>
#include "note.h"
ItemSelection::ItemSelection(QItemSelectionModel* selModel1, QItemSelectionModel* selModel2, QItemSelectionModel* selModel3, QObject* parent)
: QObject(parent), m_selModel1(selModel1), m_selModel2(selModel2), m_selModel3(selModel3), m_id(-1)
{
connectSignals();
}
QModelIndex ItemSelection::index() const
{
return m_index;
}
void ItemSelection::connectSignals()
{
connect(m_selModel1, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(modelSelectionChanged()));
connect(m_selModel2, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(modelSelectionChanged()));
connect(m_selModel3, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(modelSelectionChanged()));
}
void ItemSelection::disconnectSignals()
{
disconnect(m_selModel1, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(modelSelectionChanged()));
disconnect(m_selModel2, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(modelSelectionChanged()));
disconnect(m_selModel3, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(modelSelectionChanged()));
}
void ItemSelection::modelSelectionChanged()
{
QObject *sender_ = sender();
disconnectSignals();
clearOrUpdate(m_selModel1, sender_);
clearOrUpdate(m_selModel2, sender_);
clearOrUpdate(m_selModel3, sender_);
connectSignals();
}
void ItemSelection::clear()
{
m_selModel1->clearSelection();
m_selModel2->clearSelection();
m_selModel3->clearSelection();
m_id = -1;
emit idChanged();
}
// Workaround bug in QItemSelectionModel::selectedRows
static QModelIndexList selectedRows(const QItemSelection &selection, int column = 0)
{
QModelIndexList list;
foreach(const QModelIndex &idx, selection.indexes())
if (idx.column() == column)
list << idx;
return list;
}
void ItemSelection::clearOrUpdate(QItemSelectionModel* selModel, QObject *sender_)
{
if (selModel != sender_) {
selModel->clearSelection();
} else {
const QModelIndexList list = selectedRows(selModel->selection());
if (list.isEmpty())
return;
m_index = list.first();
emit selectionChanged(m_index);
m_id = m_index.data(Akonadi::EntityTreeModel::ItemIdRole).toLongLong();
emit idChanged();
}
}
qint64 ItemSelection::id()
{
return m_id;
}
ItemSelection::ItemType ItemSelection::itemType() const
{
Akonadi::Item item = m_index.data(Akonadi::EntityTreeModel::ItemRole).value<Akonadi::Item>();
if (item.mimeType() == KCalCore::Todo::todoMimeType())
return TodoType;
if (item.mimeType() == KMime::Message::mimeType())
return MailType;
if (item.mimeType() == Akonotes::Note::mimeType())
return NotesType;
return InvalidType;
}
QString ItemSelection::noteContent() const
{
if (!m_index.isValid())
return QString();
Akonadi::Item item = m_index.data(Akonadi::EntityTreeModel::ItemRole).value<Akonadi::Item>();
if (!item.isValid())
return QString();
if (!item.hasPayload<KMime::Message::Ptr>())
return QString();
KMime::Message::Ptr message = item.payload<KMime::Message::Ptr>();
return message->mainBodyPart()->decodedText();
}
QString ItemSelection::noteTitle() const
{
return m_index.data().toString();
}