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/**************************************************************************
* Copyright (C) 2009 Ben Cooksley <bcooksley@kde.org> *
* Copyright (C) 2007 Will Stephenson <wstephenson@kde.org> *
* *
* 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, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301, USA. *
***************************************************************************/
#include "MenuProxyModel.h"
#include "MenuItem.h"
#include "MenuModel.h"
MenuProxyModel::MenuProxyModel( QObject * parent )
: KCategorizedSortFilterProxyModel( parent ),
m_filterHighlightsEntries( true )
{
setSortRole( MenuModel::UserSortRole );
setFilterRole( MenuModel::UserFilterRole );
setFilterCaseSensitivity( Qt::CaseInsensitive );
}
QHash<int, QByteArray> MenuProxyModel::roleNames() const
{
QHash<int, QByteArray> names = KCategorizedSortFilterProxyModel::roleNames();
names[KCategorizedSortFilterProxyModel::CategoryDisplayRole] = "categoryDisplayRole";
return names;
}
bool MenuProxyModel::lessThan( const QModelIndex &left, const QModelIndex &right ) const
{
if( isCategorizedModel() ) {
return KCategorizedSortFilterProxyModel::lessThan( left, right );
}
QVariant leftWeight = left.data( MenuModel::UserSortRole );
QVariant rightWeight = right.data( MenuModel::UserSortRole );
if ( leftWeight.toInt() == rightWeight.toInt() ) {
return left.data().toString() < right.data().toString();
}
return leftWeight.toInt() < rightWeight.toInt();
}
bool MenuProxyModel::subSortLessThan( const QModelIndex &left, const QModelIndex &right ) const
{
if( isCategorizedModel() ) {
QVariant leftWeight = left.data( MenuModel::UserSortRole );
QVariant rightWeight = right.data( MenuModel::UserSortRole );
if ( !leftWeight.isValid() || !rightWeight.isValid() ) {
return KCategorizedSortFilterProxyModel::subSortLessThan( left, right );
} else {
if ( leftWeight.toInt() == rightWeight.toInt() ) {
return left.data().toString() < right.data().toString();
} else {
return leftWeight.toInt() < rightWeight.toInt();
}
}
}
return KCategorizedSortFilterProxyModel::subSortLessThan( left, right );
}
bool MenuProxyModel::filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const
{
if (!m_filterHighlightsEntries) {
// Don't show empty categories
QModelIndex index = sourceModel()->index( source_row, 0, source_parent );
MenuItem * mItem = index.data( Qt::UserRole ).value<MenuItem*>();
if ( mItem->menu() && mItem->children().isEmpty() ) {
return false;
}
return KCategorizedSortFilterProxyModel::filterAcceptsRow(source_row, source_parent);
}
QModelIndex index = sourceModel()->index( source_row, 0, source_parent );
MenuItem * mItem = index.data( Qt::UserRole ).value<MenuItem*>();
// accept only systemsettings categories that have children
if ( mItem->children().isEmpty() && mItem->service()->serviceTypes().contains(QLatin1String("SystemSettingsCategory") ) ) {
return false;
} else {
return true; // Items matching the regexp are disabled, not hidden
}
}
void MenuProxyModel::setFilterHighlightsEntries (bool highlight )
{
m_filterHighlightsEntries = highlight;
}
bool MenuProxyModel::filterHighlightsEntries() const
{
return m_filterHighlightsEntries;
}
Qt::ItemFlags MenuProxyModel::flags( const QModelIndex &index ) const
{
if ( !index.isValid() ) {
return Qt::NoItemFlags;
}
QString matchText = index.data( MenuModel::UserFilterRole ).toString();
if( !matchText.contains( filterRegExp() ) ) {
return Qt::NoItemFlags;
} else {
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
}
void MenuProxyModel::setFilterRegExp ( const QString & pattern )
{
if (pattern == filterRegExp()) {
return;
}
emit layoutAboutToBeChanged ();
KCategorizedSortFilterProxyModel::setFilterRegExp( pattern );
emit layoutChanged ();
emit filterRegExpChanged ();
}
QString MenuProxyModel::filterRegExp() const
{
return KCategorizedSortFilterProxyModel::filterRegExp().pattern();
}
void MenuProxyModel::setFilterRegExp ( const QRegExp & regExp )
{
emit layoutAboutToBeChanged ();
KCategorizedSortFilterProxyModel::setFilterRegExp( regExp );
emit layoutChanged ();
}
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