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/*
* Copyright (C) 2011, 2013 Canonical, Ltd.
*
* Authors:
* Florian Boucault <florian.boucault@canonical.com>
* Pawel Stolowski <pawel.stolowski@canonical.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; 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 "filters.h"
// Local
#include "filter.h"
#include "genericoptionsmodel.h"
// Qt
#include <QDebug>
Filters::Filters(unity::dash::Filters::Ptr unityFilters, QObject *parent) :
QAbstractListModel(parent), m_unityFilters(unityFilters)
{
for (unsigned int i=0; i<m_unityFilters->count(); i++) {
unity::dash::Filter::Ptr unityFilter = m_unityFilters->FilterAtIndex(i);
addFilter(unityFilter, i);
}
m_unityFilters->filter_added.connect(sigc::mem_fun(this, &Filters::onFilterAdded));
m_unityFilters->filter_changed.connect(sigc::mem_fun(this, &Filters::onFilterChanged));
m_unityFilters->filter_removed.connect(sigc::mem_fun(this, &Filters::onFilterRemoved));
}
Filters::~Filters()
{
while (!m_filters.isEmpty()) {
delete m_filters.takeFirst();
}
}
int Filters::rowCount(const QModelIndex& parent) const
{
Q_UNUSED(parent)
return m_unityFilters->count();
}
QVariant Filters::data(const QModelIndex& index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
Filter* filter = m_filters.at(index.row());
switch (role)
{
case Filters::RoleId:
return filter->id();
case Filters::RoleName:
case Qt::DisplayRole:
return filter->name();
case Filters::RoleIconHint:
return filter->iconHint();
case Filters::RoleRendererName:
return filter->rendererName();
case Filters::RoleVisible:
return filter->visible();
case Filters::RoleCollapsed:
return filter->collapsed();
case Filters::RoleFiltering:
return filter->filtering();
case Filters::RoleOptions:
return QVariant::fromValue(filter->options());
default:
break;
}
return QVariant();
}
QHash<int, QByteArray> Filters::roleNames() const
{
QHash<int, QByteArray> roles;
roles[Filters::RoleId] = "id";
roles[Filters::RoleName] = "name";
roles[Filters::RoleIconHint] = "iconHint";
roles[Filters::RoleRendererName] = "rendererName";
roles[Filters::RoleVisible] = "visible";
roles[Filters::RoleCollapsed] = "collapsed";
roles[Filters::RoleFiltering] = "filtering";
roles[Filters::RoleOptions] = "options";
return roles;
}
Filter* Filters::getFilter(const QString& id) const
{
Q_FOREACH (Filter* filter, m_filters) {
if (filter->id() == id) {
return filter;
}
}
return nullptr;
}
void Filters::onFilterAdded(unity::dash::Filter::Ptr unityFilter)
{
if (unityFilter == nullptr) {
return;
}
int index = m_filters.count();
addFilter(unityFilter, index);
}
void Filters::onFilterChanged(unity::dash::Filter::Ptr unityFilter)
{
if (unityFilter == nullptr) {
return;
}
QModelIndex filterIndex = index(indexForFilter(unityFilter));
Q_EMIT dataChanged(filterIndex, filterIndex);
}
void Filters::onFilterRemoved(unity::dash::Filter::Ptr unityFilter)
{
removeFilter(indexForFilter(unityFilter));
}
void Filters::addFilter(unity::dash::Filter::Ptr unityFilter, int index)
{
beginInsertRows(QModelIndex(), index, index);
Filter* filter = Filter::newFromUnityFilter(unityFilter);
if (filter != nullptr) {
m_filters.insert(index, filter);
}
endInsertRows();
}
void Filters::removeFilter(int index)
{
beginRemoveRows(QModelIndex(), index, index);
Filter* filter = m_filters.takeAt(index);
delete filter;
endRemoveRows();
}
int Filters::indexForFilter(unity::dash::Filter::Ptr unityFilter)
{
for (int index=0; index<m_filters.count(); index++) {
if (m_filters[index]->hasUnityFilter(unityFilter)) {
return index;
}
}
qWarning() << "Filter" << QString::fromStdString(unityFilter->name()) << "not found in local cache.";
return -1;
}
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