You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
3.4 KiB
146 lines
3.4 KiB
/* This file is part of the KDE project
|
|
Copyright (C) 2002, 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 "vreplacingcmd.h"
|
|
#include "vselection.h"
|
|
#include "vdocument.h"
|
|
|
|
VReplacingCmd::VReplacingCmd( VDocument* doc, const TQString& name )
|
|
: VCommand( doc, name )
|
|
{
|
|
// Set members.
|
|
m_oldObjects = doc ? document()->selection()->clone() : 0L;
|
|
m_newObjects = 0L;
|
|
}
|
|
|
|
VReplacingCmd::~VReplacingCmd()
|
|
{
|
|
delete( m_oldObjects );
|
|
delete( m_newObjects );
|
|
}
|
|
|
|
void
|
|
VReplacingCmd::execute()
|
|
{
|
|
// Did we have at least once a success? Otherwise we don't get inserted
|
|
// into the command history.
|
|
bool successful = false;
|
|
|
|
|
|
// Create new tqshapes if they don't exist yet.
|
|
if( !m_newObjects )
|
|
{
|
|
m_newObjects = new VSelection();
|
|
|
|
// Pointer to temporary object.
|
|
VObject* newObject;
|
|
|
|
VObjectListIterator itr( m_oldObjects->objects() );
|
|
VObjectList rejects;
|
|
|
|
for( ; itr.current(); ++itr )
|
|
{
|
|
// Clone object and visit the clone.
|
|
newObject = itr.current()->clone();
|
|
|
|
// Success.
|
|
if( visit( *newObject ) )
|
|
{
|
|
successful = true;
|
|
|
|
// Insert new tqshape right before old tqshape.
|
|
itr.current()->tqparent()->insertInfrontOf(
|
|
newObject, itr.current() );
|
|
|
|
// Add new tqshape to list of new objects.
|
|
m_newObjects->append( newObject );
|
|
}
|
|
// No success.
|
|
else
|
|
{
|
|
rejects.append( itr.current() );
|
|
// Delete temporary object.
|
|
delete( newObject );
|
|
}
|
|
}
|
|
VObjectListIterator jtr( rejects );
|
|
for( ; jtr.current(); ++jtr )
|
|
{
|
|
// Don't consider this object in the future anymore.
|
|
m_oldObjects->take( *jtr.current() );
|
|
}
|
|
}
|
|
|
|
// Nothing to do.
|
|
if( m_newObjects->objects().count() == 0 )
|
|
return;
|
|
|
|
|
|
VObjectListIterator itr( m_oldObjects->objects() );
|
|
|
|
// Hide old objects.
|
|
for( ; itr.current(); ++itr )
|
|
{
|
|
document()->selection()->take( *itr.current() );
|
|
itr.current()->setState( VObject::deleted );
|
|
}
|
|
|
|
// Show new objects.
|
|
for( itr = m_newObjects->objects(); itr.current(); ++itr )
|
|
{
|
|
itr.current()->setState( VObject::normal );
|
|
document()->selection()->append( itr.current() );
|
|
}
|
|
|
|
|
|
// Tell command history wether we had success at least once.
|
|
setSuccess( successful );
|
|
}
|
|
|
|
void
|
|
VReplacingCmd::unexecute()
|
|
{
|
|
// Nothing to do.
|
|
if( m_newObjects->objects().count() == 0 )
|
|
return;
|
|
|
|
|
|
VObjectListIterator itr( m_oldObjects->objects() );
|
|
|
|
// Show old objects.
|
|
for( ; itr.current(); ++itr )
|
|
{
|
|
itr.current()->setState( VObject::normal );
|
|
document()->selection()->append( itr.current() );
|
|
}
|
|
|
|
// Hide new objects.
|
|
for( itr = m_newObjects->objects(); itr.current(); ++itr )
|
|
{
|
|
document()->selection()->take( *itr.current() );
|
|
itr.current()->setState( VObject::deleted );
|
|
}
|
|
|
|
|
|
// Reset success for command history.
|
|
setSuccess( false );
|
|
}
|
|
|