All Classes Functions Properties
visibleindicatorsmodel.cpp
/*
* Copyright (C) 2012, 2013 Canonical, Ltd.
*
* 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; version 3.
*
* 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/>.
*/
// self
#include "visibleindicatorsmodel.h"
#include "indicators.h"
VisibleIndicatorsModel::VisibleIndicatorsModel(QObject *parent)
: QIdentityProxyModel(parent),
m_inserting(false)
{
QObject::connect(this, SIGNAL(rowsAboutToBeInserted(QModelIndex, int, int)), this, SLOT(onBeginRowInserted(QModelIndex, int, int)));
QObject::connect(this, SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(onRowInserted(QModelIndex, int, int)));
}
QHash<int, QByteArray> VisibleIndicatorsModel::roleNames() const
{
static QHash<int, QByteArray> roles;
if (roles.isEmpty())
{
roles[IndicatorsModelRole::Identifier] = "identifier";
roles[IndicatorsModelRole::Position] = "position";
roles[IndicatorsModelRole::WidgetSource] = "widgetSource";
roles[IndicatorsModelRole::PageSource] = "pageSource";
roles[IndicatorsModelRole::IndicatorProperties] = "indicatorProperties";
roles[IndicatorsModelRole::IsVisible] = "isVisible";
}
return roles;
}
void VisibleIndicatorsModel::setSourceModel(QAbstractItemModel *model)
{
if (sourceModel() != model) {
QIdentityProxyModel::setSourceModel(model);
Q_EMIT modelChanged();
}
}
QVariantMap VisibleIndicatorsModel::visible() const
{
return m_visible;
}
void VisibleIndicatorsModel::onBeginRowInserted(const QModelIndex&, int, int)
{
m_inserting = true;
}
void VisibleIndicatorsModel::onRowInserted(const QModelIndex&, int, int)
{
m_inserting = false;
}
void VisibleIndicatorsModel::setVisible(const QVariantMap& visible)
{
if (m_visible != visible) {
m_visible = visible;
Q_EMIT visibleChanged();
// need to tell the view that the visible data has changed.
if (!m_inserting && rowCount() > 0) {
Q_EMIT dataChanged(index(0, 0), index(rowCount() - 1, 0), QVector<int>() << IndicatorsModelRole::IsVisible);
}
}
}
QVariant VisibleIndicatorsModel::data(const QModelIndex &index, int role) const
{
if (role != IndicatorsModelRole::IsVisible) {
return QIdentityProxyModel::data(index, role);
}
if (!index.isValid()) {
return false;
}
QString ident = QIdentityProxyModel::data(index, IndicatorsModelRole::Identifier).toString();
return m_visible.value(ident, false).toBool();
}