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/*
EventModelAdapter.cpp
This file is part of Charm, a task-based time tracking application.
Copyright (C) 2007-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Mirko Boehm <mirko.boehm@kdab.com>
Author: Frank Osterfeld <frank.osterfeld@kdab.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, see <http://www.gnu.org/licenses/>.
*/
#include "EventModelAdapter.h"
#include "ApplicationCore.h"
#include "Core/CharmCommand.h"
#include "Core/CharmDataModel.h"
EventModelAdapter::EventModelAdapter(CharmDataModel *parent)
: QAbstractListModel(parent)
, m_dataModel(parent)
{
m_dataModel->registerAdapter(this);
}
EventModelAdapter::~EventModelAdapter()
{
if (m_dataModel)
m_dataModel->unregisterAdapter(this);
}
int EventModelAdapter::rowCount(const QModelIndex &) const
{
return m_events.size();
}
QVariant EventModelAdapter::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() < 0 || index.row() > m_events.size())
return QVariant(); // beware of stale persistent indexes
switch (role) {
case Qt::DisplayRole:
{
EventId eventId = m_events[index.row()];
const Event &event = m_dataModel->eventForId(eventId);
QString text;
QTextStream stream(&text);
stream << event.taskId() << " - " << event.comment();
return text;
break;
}
default:
return QVariant();
}
}
void EventModelAdapter::resetEvents()
{
beginResetModel();
m_events.clear();
for (EventMap::const_iterator it = m_dataModel->eventMap().begin();
it != m_dataModel->eventMap().end(); ++it)
m_events.append(it->first);
endResetModel();
}
void EventModelAdapter::eventAboutToBeAdded(EventId)
{
int position = m_events.size();
beginInsertRows(QModelIndex(), position, position);
}
void EventModelAdapter::eventAdded(EventId id)
{
m_events.append(id);
endInsertRows();
}
void EventModelAdapter::eventModified(EventId id, Event)
{
// nothing to do, except:
int row = m_events.indexOf(id);
Q_ASSERT(row != -1); // inconsistency between model and adapter
emit(dataChanged(index(row), index(row)));
}
void EventModelAdapter::eventAboutToBeDeleted(EventId id)
{
int row = m_events.indexOf(id);
Q_ASSERT(row != -1); // inconsistency between model and adapter
beginRemoveRows(QModelIndex(), row, row);
}
void EventModelAdapter::eventDeleted(EventId id)
{
int position = m_events.indexOf(id);
Q_ASSERT(position != -1); // inconsistency between model and adapter
m_events.removeAt(position);
Q_ASSERT(m_events.indexOf(id) == -1); // cannot be in there
endRemoveRows();
}
void EventModelAdapter::eventActivated(EventId id)
{
emit eventActivationNotice(id);
}
void EventModelAdapter::eventDeactivated(EventId id)
{
emit eventDeactivationNotice(id);
}
void EventModelAdapter::commitCommand(CharmCommand *command)
{
command->finalize();
}
const Event &EventModelAdapter::eventForIndex(const QModelIndex &index) const
{
if (index.row() >= 0 && index.row() < m_events.size()) {
EventId eventId = m_events.at(index.row());
const Event &event = m_dataModel->eventForId(eventId);
return event;
} else {
static Event InvalidEvent;
return InvalidEvent;
}
}
QModelIndex EventModelAdapter::indexForEvent(const Event &event) const
{
int position = m_events.indexOf(event.id());
if (position >= 0 && position < m_events.size()) {
return index(position);
} else {
return QModelIndex();
}
}
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