kdgantt

kdganttlistviewrowcontroller.cpp

00001 /****************************************************************************
00002  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
00003  **
00004  ** This file is part of the KD Gantt library.
00005  **
00006  ** This file may be used under the terms of the GNU General Public
00007  ** License versions 2.0 or 3.0 as published by the Free Software
00008  ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
00009  ** included in the packaging of this file.  Alternatively you may (at
00010  ** your option) use any later version of the GNU General Public
00011  ** License if such license has been publicly approved by
00012  ** Klarälvdalens Datakonsult AB (or its successors, if any).
00013  ** 
00014  ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
00015  ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
00016  ** A PARTICULAR PURPOSE. Klarälvdalens Datakonsult AB reserves all rights
00017  ** not expressly granted herein.
00018  ** 
00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00021  **
00022  **********************************************************************/
00023 #include "kdganttlistviewrowcontroller.h"
00024 #include "kdganttlistviewrowcontroller_p.h"
00025 
00026 #include <QAbstractProxyModel>
00027 #include <QDebug>
00028 
00029 #include <cassert>
00030 
00031 using namespace KDGantt;
00032 
00040 ListViewRowController::ListViewRowController( QListView* lv, QAbstractProxyModel* proxy )
00041   : _d( new Private(lv,proxy) )
00042 {
00043 }
00044 
00045 ListViewRowController::~ListViewRowController()
00046 {
00047     delete _d; _d = 0;
00048 }
00049 
00050 #define d d_func()
00051 
00052 int ListViewRowController::headerHeight() const
00053 {
00054     return d->listview->viewport()->y()-d->listview->frameWidth();
00055 }
00056 
00057 int ListViewRowController::maximumItemHeight() const
00058 {
00059     return d->listview->fontMetrics().height();
00060 }
00061 
00062 bool ListViewRowController::isRowVisible( const QModelIndex& _idx ) const
00063 {    
00064     const QModelIndex idx = d->proxy->mapToSource( _idx );
00065     assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
00066     return d->listview->visualRect(idx).isValid();
00067 }
00068 
00069 Span ListViewRowController::rowGeometry( const QModelIndex& _idx ) const
00070 {
00071     const QModelIndex idx = d->proxy->mapToSource( _idx );
00072     assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
00073     QRect r = d->listview->visualRect(idx).translated( QPoint( 0, 
00074           static_cast<Private::HackListView*>(d->listview)->verticalOffset() ) );
00075     return Span( r.y(), r.height() );
00076 }
00077 
00078 QModelIndex ListViewRowController::indexAt( int height ) const
00079 {
00080     return d->proxy->mapFromSource( d->listview->indexAt( QPoint( 1,height ) ) );
00081 }
00082 
00083 QModelIndex ListViewRowController::indexAbove( const QModelIndex& _idx ) const
00084 {
00085     const QModelIndex idx = d->proxy->mapToSource( _idx );
00086     return d->proxy->mapFromSource( idx.sibling( idx.row()-1, idx.column()) );
00087 }
00088 
00089 QModelIndex ListViewRowController::indexBelow( const QModelIndex& _idx ) const
00090 {
00091     const QModelIndex idx = d->proxy->mapToSource( _idx );
00092     if( !idx.isValid() || idx.column()!=0 ) return QModelIndex();
00093     if( idx.model()->rowCount(idx.parent())<idx.row()+1 ) return QModelIndex();
00094     return d->proxy->mapFromSource( idx.sibling( idx.row()+1, idx.column()) );
00095 }
00096
kdgantt

kdganttlistviewrowcontroller.cpp

kdgantt

kdepim
