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* Copyright (C) 2011 Canonical, Ltd.
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* Florian Boucault <florian.boucault@canonical.com>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 3.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <UnityCore/Filters.h>
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Filters::Filters(unity::dash::Filters::Ptr unityFilters, QObject *parent) :
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QAbstractListModel(parent), m_unityFilters(unityFilters)
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QHash<int, QByteArray> roles;
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roles[Filters::RoleFilter] = "filter";
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for (unsigned int i=0; i<m_unityFilters->count(); i++) {
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unity::dash::Filter::Ptr unityFilter = m_unityFilters->FilterAtIndex(i);
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addFilter(unityFilter, i);
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m_unityFilters->filter_added.connect(sigc::mem_fun(this, &Filters::onFilterAdded));
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m_unityFilters->filter_changed.connect(sigc::mem_fun(this, &Filters::onFilterChanged));
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m_unityFilters->filter_removed.connect(sigc::mem_fun(this, &Filters::onFilterRemoved));
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while (!m_filters.isEmpty()) {
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delete m_filters.takeFirst();
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int Filters::rowCount(const QModelIndex& parent) const
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return m_unityFilters->count();
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QVariant Filters::data(const QModelIndex& index, int role) const
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if (!index.isValid()) {
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Filter* filter = m_filters.at(index.row());
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if (role == Filters::RoleFilter) {
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return QVariant::fromValue(filter);
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void Filters::onFilterAdded(unity::dash::Filter::Ptr unityFilter)
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if (unityFilter == NULL) {
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/* FIXME: figure out actual index of unityFilter; for now filters are appended */
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int index = m_filters.count();
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addFilter(unityFilter, index);
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void Filters::onFilterChanged(unity::dash::Filter::Ptr unityFilter)
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if (unityFilter == NULL) {
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QModelIndex filterIndex = index(indexForFilter(unityFilter));
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Q_EMIT dataChanged(filterIndex, filterIndex);
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void Filters::onFilterRemoved(unity::dash::Filter::Ptr unityFilter)
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removeFilter(indexForFilter(unityFilter));
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void Filters::addFilter(unity::dash::Filter::Ptr unityFilter, int index)
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beginInsertRows(QModelIndex(), index, index);
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Filter* filter = Filter::newFromUnityFilter(unityFilter);
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m_filters.insert(index, filter);
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void Filters::removeFilter(int index)
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beginRemoveRows(QModelIndex(), index, index);
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Filter* filter = m_filters.takeAt(index);
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int Filters::indexForFilter(unity::dash::Filter::Ptr unityFilter)
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for (index=0; index<m_filters.count(); index++) {
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if (m_filters[index]->hasUnityFilter(unityFilter)) {
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qWarning() << "Filter" << QString::fromStdString(unityFilter->name()) << "not found in local cache.";
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#include "filters.moc"