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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 "MenuModel.h"
#include <KCategorizedSortFilterProxyModel>
#include <QIcon>
#include "MenuItem.h"
const int MenuModel::UserFilterRole = 0x015D1AE6;
const int MenuModel::UserSortRole = 0x03A8CC00;
class MenuModel::Private {
public:
Private() {}
MenuItem *rootItem;
QList<MenuItem*> exceptions;
};
MenuModel::MenuModel( MenuItem * menuRoot, QObject *parent )
: QAbstractItemModel( parent )
, d( new Private() )
{
d->rootItem = menuRoot;
}
MenuModel::~MenuModel()
{
d->exceptions.clear();
delete d;
}
int MenuModel::columnCount( const QModelIndex &parent ) const
{
Q_UNUSED( parent );
return 1;
}
int MenuModel::rowCount( const QModelIndex &parent ) const
{
MenuItem * mi;
if ( parent.isValid() ) {
mi = static_cast<MenuItem*>( parent.internalPointer() );
} else {
mi = d->rootItem;
}
return childrenList(mi).count();
}
QVariant MenuModel::data( const QModelIndex &index, int role ) const
{
MenuItem * mi = 0;
QVariant theData;
if ( !index.isValid() ) {
return QVariant();
}
mi = static_cast<MenuItem*>( index.internalPointer() );
switch ( role ) {
case Qt::DisplayRole:
theData.setValue( mi->name() );
break;
case Qt::ToolTipRole:
theData.setValue( mi->service()->comment() );
break;
case Qt::DecorationRole:
theData = QVariant( QIcon::fromTheme( mi->service()->icon() ) );
break;
case KCategorizedSortFilterProxyModel::CategorySortRole:
if ( mi->parent() ) {
theData.setValue( QString("%1%2").arg( QString::number(mi->parent()->weight()), 5, '0' ).arg( mi->parent()->name() ) );
}
break;
case KCategorizedSortFilterProxyModel::CategoryDisplayRole:
if ( mi->parent() ) {
theData.setValue( mi->parent()->name() );
}
break;
case Qt::UserRole:
theData.setValue( mi );
break;
case MenuModel::UserFilterRole:
theData.setValue( mi->keywords().join( QString() ) );
break;
case MenuModel::UserSortRole:
theData.setValue( QString("%1").arg( QString::number(mi->weight()), 5, '0' ) );
break;
default:
break;
}
return theData;
}
Qt::ItemFlags MenuModel::flags( const QModelIndex &index ) const
{
if ( !index.isValid() ) {
return 0;
}
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
QModelIndex MenuModel::index( int row, int column, const QModelIndex &parent ) const
{
if ( !hasIndex(row, column, parent) ) {
return QModelIndex();
}
MenuItem *parentItem;
if ( !parent.isValid() ) {
parentItem = d->rootItem;
} else {
parentItem = static_cast<MenuItem*>( parent.internalPointer() );
}
MenuItem *childItem = childrenList(parentItem).value(row);
if ( childItem ) {
return createIndex( row, column, childItem );
} else {
return QModelIndex();
}
}
QModelIndex MenuModel::parent( const QModelIndex &index ) const
{
MenuItem *childItem = static_cast<MenuItem*>( index.internalPointer() );
if( !childItem ) {
return QModelIndex();
}
MenuItem * parent = parentItem(childItem);
MenuItem * grandParent = parentItem(parent);
int childRow = 0;
if( grandParent ) {
childRow = childrenList( grandParent ).indexOf( parent );
}
if ( parent == d->rootItem ) {
return QModelIndex();
}
return createIndex( childRow, 0, parent );
}
QList<MenuItem*> MenuModel::childrenList( MenuItem * parent ) const
{
QList<MenuItem*> children = parent->children();
foreach( MenuItem * child, children ) {
if( d->exceptions.contains( child ) ) {
children.removeOne(child);
children.append(child->children());
}
}
return children;
}
MenuItem * MenuModel::parentItem( MenuItem * child ) const
{
MenuItem * parent = child->parent();
if( d->exceptions.contains(parent) ) {
parent = parentItem(parent);
}
return parent;
}
MenuItem * MenuModel::rootItem() const
{
return d->rootItem;
}
void MenuModel::addException( MenuItem * exception )
{
if( exception == d->rootItem ) {
return;
}
d->exceptions.append(exception);
}
void MenuModel::removeException( MenuItem * exception )
{
d->exceptions.removeAll(exception);
}
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