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koffice/karbon/commands/vzordercmd.cc

173 lines
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/* This file is part of the KDE project
Copyright (C) 2002, 2003 The Karbon Developers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <tdelocale.h>
#include "vzordercmd.h"
#include "vselection.h"
#include "vdocument.h"
#include "vlayer.h"
VZOrderCmd::VZOrderCmd( VDocument *doc, VOrder state )
: VCommand( doc, i18n( "Order Selection" ) ), m_state( state )
{
m_selection = document()->selection()->clone();
}
VZOrderCmd::VZOrderCmd( VDocument *doc, VObject *obj, VOrder state )
: VCommand( doc, i18n( "Order Selection" ) ), m_state( state )
{
m_selection = new VSelection();
m_selection->append( obj );
}
VZOrderCmd::~VZOrderCmd()
{
delete( m_selection );
}
void
VZOrderCmd::execute()
{
if( m_state == sendToBack )
{
VObjectListIterator itr( document()->selection()->objects() );
for ( itr.toLast() ; itr.current() ; --itr )
{
// remove from old layer
VObjectList objects;
VLayerListIterator litr( document()->layers() );
for ( ; litr.current(); ++litr )
{
objects = litr.current()->objects();
VObjectListIterator itr2( objects );
for ( ; itr2.current(); ++itr2 )
if( itr2.current() == itr.current() )
{
litr.current()->sendToBack( *itr2.current() );
itr2.current()->setState( VObject::selected );
}
}
}
}
else if( m_state == bringToFront )
{
VObjectListIterator itr( document()->selection()->objects() );
for ( ; itr.current() ; ++itr )
{
// remove from old layer
VObjectList objects;
VLayerListIterator litr( document()->layers() );
for ( ; litr.current(); ++litr )
{
objects = litr.current()->objects();
VObjectListIterator itr2( objects );
for ( ; itr2.current(); ++itr2 )
if( itr2.current() == itr.current() )
{
litr.current()->bringToFront( *itr2.current() );
itr2.current()->setState( VObject::selected );
}
}
}
}
else if( m_state == up || m_state == down )
{
VSelection selection = *m_selection;
// TODO : this doesn't work for objects inside groups!
VLayerListIterator litr( document()->layers() );
while( !selection.objects().isEmpty() && litr.current() )
{
for ( ; litr.current(); ++litr )
{
if( litr.current()->state() == VObject::deleted )
continue;
VObjectList objects = litr.current()->objects();
VObjectList todo;
VObjectListIterator objectItr( objects );
// find all selected VObjects that are in the current layer
for ( ; objectItr.current(); ++objectItr )
{
VObjectListIterator selectionItr( selection.objects() );
for ( ; selectionItr.current() ; ++selectionItr )
{
if( objectItr.current() == selectionItr.current() )
{
if( m_state == up )
todo.prepend( objectItr.current() );
else
todo.append( objectItr.current() );
}
}
}
kdDebug(38000) << "todo.count() : " << todo.count() << endl;
// we have found the affected vobjects in this vlayer
VObjectListIterator todoItr( todo );
for ( ; todoItr.current(); ++todoItr )
{
if( m_state == up )
litr.current()->upwards( *todoItr.current() );
else
litr.current()->downwards( *todoItr.current() );
// remove from selection
selection.take( *todoItr.current() );
// make sure object stays selected
todoItr.current()->setState( VObject::selected );
}
}
}
}
setSuccess( true );
}
void
VZOrderCmd::unexecute()
{
if( m_state == sendToBack )
{
m_state = bringToFront;
execute();
m_state = sendToBack;
}
else if( m_state == bringToFront )
{
m_state = sendToBack;
execute();
m_state = bringToFront;
}
else if( m_state == up )
{
m_state = down;
execute();
m_state = up;
}
else if( m_state == down )
{
m_state = up;
execute();
m_state = down;
}
setSuccess( false );
}