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/*
* This file is part of system-settings
*
* Copyright (C) 2013 Canonical Ltd.
*
* Contact: Alberto Mardegan <alberto.mardegan@canonical.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, 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 "item-model.h"
#include <glib.h>
#include <libintl.h>
#include "debug.h"
#include "plugin.h"
using namespace LomiriSystemSettings;
namespace LomiriSystemSettings {
class ItemModelPrivate
{
friend class ItemModel;
inline ItemModelPrivate();
inline ~ItemModelPrivate();
private:
QHash<int, QByteArray> m_roleNames;
QMap<QString, Plugin *> m_plugins;
QList<Plugin *> m_visibleItems;
};
} // namespace
ItemModelPrivate::ItemModelPrivate()
{
m_roleNames[Qt::DisplayRole] = "displayName";
m_roleNames[ItemModel::IconRole] = "icon";
m_roleNames[ItemModel::ItemRole] = "item";
m_roleNames[ItemModel::KeywordRole] = "keywords";
}
ItemModelPrivate::~ItemModelPrivate()
{
}
ItemModel::ItemModel(QObject *parent):
QAbstractListModel(parent),
d_ptr(new ItemModelPrivate)
{
}
ItemModel::~ItemModel()
{
delete d_ptr;
}
void ItemModel::setPlugins(const QMap<QString, Plugin *> &plugins)
{
Q_D(ItemModel);
beginResetModel();
d->m_plugins = plugins;
Q_FOREACH(Plugin *plugin, d->m_plugins.values()) {
QObject::connect(plugin, SIGNAL(visibilityChanged()),
this, SLOT(onItemVisibilityChanged()));
d->m_visibleItems.append(plugin);
}
endResetModel();
}
int ItemModel::rowCount(const QModelIndex &parent) const
{
Q_D(const ItemModel);
Q_UNUSED(parent);
return d->m_visibleItems.count();
}
QVariant ItemModel::data(const QModelIndex &index, int role) const
{
Q_D(const ItemModel);
if (index.row() >= d->m_visibleItems.count()) return QVariant();
const Plugin *item = d->m_visibleItems.at(index.row());
QVariant ret;
switch (role) {
case Qt::DisplayRole:
ret = item->displayName();
break;
case IconRole:
ret = item->icon();
break;
case ItemRole:
ret = QVariant::fromValue<QObject*>(const_cast<Plugin*>(item));
break;
case KeywordRole:
QByteArray translations = item->translations().toUtf8();
QByteArray displayName = item->displayName().toUtf8();
const char * domain = translations.constData();
QStringList temp(item->keywords());
QMutableListIterator<QString> it(temp);
while (it.hasNext()) {
QString keyword = it.next();
it.setValue(QString::fromUtf8(
dgettext(
domain,
keyword.toUtf8().constData())));
}
temp << QString::fromUtf8(
dgettext(domain,displayName.constData()));
ret = temp;
}
return ret;
}
QHash<int, QByteArray> ItemModel::roleNames() const
{
Q_D(const ItemModel);
return d->m_roleNames;
}
void ItemModel::onItemVisibilityChanged()
{
Q_D(ItemModel);
Plugin *item = qobject_cast<Plugin *>(sender());
Q_ASSERT(item != 0);
QModelIndex root;
int index = d->m_visibleItems.indexOf(item);
if (item->isVisible()) {
if (index >= 0) return; // nothing to do
index = d->m_visibleItems.count();
beginInsertRows(root, index, index);
d->m_visibleItems.append(item);
endInsertRows();
} else {
if (index < 0) return; // nothing to do
beginRemoveRows(root, index, index);
d->m_visibleItems.removeAt(index);
endRemoveRows();
}
}
ItemModelSortProxy::ItemModelSortProxy(QObject *parent)
: QSortFilterProxyModel(parent)
{
}
bool ItemModelSortProxy::lessThan(const QModelIndex &left,
const QModelIndex &right) const
{
QVariant leftData(sourceModel()->data(left, ItemModel::ItemRole));
QVariant rightData(sourceModel()->data(right, ItemModel::ItemRole));
Plugin *leftPlugin = leftData.value<Plugin *>();
Plugin *rightPlugin = rightData.value<Plugin *>();
if (leftPlugin && rightPlugin) {
int leftPriority = leftPlugin->priority();
int rightPriority = rightPlugin->priority();
/* In case two plugins happen to have the same priority, sort them
alphabetically */
if (leftPriority == rightPriority)
return leftPlugin->displayName() < rightPlugin->displayName();
return leftPriority < rightPriority;
}
return false;
}
bool ItemModelSortProxy::filterAcceptsRow(
int source_row, const QModelIndex &source_parent) const
{
QStringList keywords;
gchar * pattern = nullptr;
bool ret = false;
QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
QVariant data(sourceModel()->data(index, filterRole()));
pattern = g_strdup(filterRegExp().pattern().toStdString().c_str());
switch (filterRole()) {
case ItemModel::KeywordRole:
keywords = data.value<QStringList>();
foreach (const QString& s, keywords)
if (g_str_match_string (pattern, s.toStdString().c_str(), TRUE)) {
ret = true;
goto out;
}
break;
default:
ret = false;
}
out:
g_free (pattern);
return ret;
}
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