diff options
Diffstat (limited to 'kpovmodeler/pmobjectlink.cpp')
| -rw-r--r-- | kpovmodeler/pmobjectlink.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/kpovmodeler/pmobjectlink.cpp b/kpovmodeler/pmobjectlink.cpp new file mode 100644 index 00000000..6596471d --- /dev/null +++ b/kpovmodeler/pmobjectlink.cpp @@ -0,0 +1,197 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2002 by Andreas Zehender + email : [email protected] +************************************************************************** + +************************************************************************** +* * +* 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. * +* * +**************************************************************************/ + + +#include "pmobjectlink.h" +#include "pmdeclare.h" +#include "pmpart.h" +#include "pmsymboltable.h" +#include "pmobjectlinkedit.h" +#include "pmparser.h" + +#include "pmmemento.h" +#include "pmxmlhelper.h" + +#include <klocale.h> + +PMDefinePropertyClass( PMObjectLink, PMObjectLinkProperty ); + +PMMetaObject* PMObjectLink::s_pMetaObject = 0; +PMObject* createNewObjectLink( PMPart* part ) +{ + return new PMObjectLink( part ); +} + +PMObjectLink::PMObjectLink( PMPart* part ) + : Base( part ) +{ + m_pLinkedObject = 0; +} + +PMObjectLink::PMObjectLink( const PMObjectLink& o ) + : Base( o ) +{ + m_pLinkedObject = 0; + setLinkedObject( o.m_pLinkedObject ); +} + +PMObjectLink::~PMObjectLink( ) +{ +} + +QString PMObjectLink::description( ) const +{ + return i18n( "object link" ); +} + +PMMetaObject* PMObjectLink::metaObject( ) const +{ + if( !s_pMetaObject ) + { + s_pMetaObject = new PMMetaObject( "ObjectLink", Base::metaObject( ), + createNewObjectLink ); + s_pMetaObject->addProperty( + new PMObjectLinkProperty( "linkedObject", &PMObjectLink::setLinkedObjectProperty, + &PMObjectLink::linkedObjectProperty ) ); + } + return s_pMetaObject; +} + +void PMObjectLink::cleanUp( ) const +{ + if( s_pMetaObject ) + { + delete s_pMetaObject; + s_pMetaObject = 0; + } + Base::cleanUp( ); +} + +bool PMObjectLink::setLinkedObject( PMDeclare* obj ) +{ + if( obj ) + { + if( obj->declareType( ) == "GraphicalObject" || + obj->declareType( ) == "Light" ) + { + if( m_pLinkedObject != obj ) + { + if( m_pMemento ) + { + m_pMemento->addData( s_pMetaObject, PMLinkedObjectID, + m_pLinkedObject ); + m_pMemento->setViewStructureChanged( ); + } + + if( m_pLinkedObject ) + { + m_pLinkedObject->removeLinkedObject( this ); + if( m_pMemento ) + m_pMemento->addChangedObject( m_pLinkedObject, PMCData ); + } + m_pLinkedObject = obj; + m_pLinkedObject->addLinkedObject( this ); + if( m_pMemento ) + m_pMemento->addChangedObject( m_pLinkedObject, PMCData ); + } + return true; + } + else + return false; + } + else + { + if( m_pLinkedObject != 0 ) + { + if( m_pMemento ) + { + m_pMemento->addData( s_pMetaObject, PMLinkedObjectID, + m_pLinkedObject ); + m_pMemento->addChangedObject( m_pLinkedObject, PMCData ); + } + m_pLinkedObject->removeLinkedObject( this ); + m_pLinkedObject = 0; + } + return true; + } + return false; +} + +void PMObjectLink::setLinkedObjectProperty( PMObject* o ) +{ + if( o == 0 ) + setLinkedObject( 0 ); + else if( o->isA( "Declare" ) ) + setLinkedObject( ( PMDeclare* ) o ); +} + +void PMObjectLink::serialize( QDomElement& e, QDomDocument& doc ) const +{ + if( m_pLinkedObject ) + e.setAttribute( "prototype", m_pLinkedObject->id( ) ); + Base::serialize( e, doc ); +} + +void PMObjectLink::readAttributes( const PMXMLHelper& h ) +{ + QString id = h.stringAttribute( "prototype", "" ); + if( !id.isEmpty( ) ) + { + PMDeclare* link = h.parser( )->checkLink( id ); + if( link ) + { + if( link->type( ) == "Declare" ) + { + m_pLinkedObject = ( PMDeclare* ) link; + m_pLinkedObject->addLinkedObject( this ); + } + else + h.parser( )->printError( i18n( "Declare \"%1\" has wrong type." ) + .arg( id ) ); + } + } + Base::readAttributes( h ); +} + +PMDialogEditBase* PMObjectLink::editWidget( QWidget* parent ) const +{ + return new PMObjectLinkEdit( parent ); +} + +void PMObjectLink::restoreMemento( PMMemento* s ) +{ + PMMementoDataIterator it( s ); + PMMementoData* data; + + for( ; it.current( ); ++it ) + { + data = it.current( ); + if( data->objectType( ) == s_pMetaObject ) + { + switch( data->valueID( ) ) + { + case PMLinkedObjectID: + setLinkedObject( ( PMDeclare* ) data->objectData( ) ); + break; + default: + kdError( PMArea ) << "Wrong ID in PMObjectLink::restoreMemento\n"; + break; + } + } + } + Base::restoreMemento( s ); +} |