diff options
Diffstat (limited to 'kpovmodeler/pmobjectdrag.cpp')
| -rw-r--r-- | kpovmodeler/pmobjectdrag.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/kpovmodeler/pmobjectdrag.cpp b/kpovmodeler/pmobjectdrag.cpp new file mode 100644 index 00000000..6bebfc8e --- /dev/null +++ b/kpovmodeler/pmobjectdrag.cpp @@ -0,0 +1,230 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2003 by Andreas Zehender + email : zehender@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. * +* * +**************************************************************************/ + + +#include "pmobjectdrag.h" +#include "pmobject.h" +#include "pmpart.h" +#include "pmpovrayparser.h" +#include "pmxmlparser.h" +#include "pmxmlhelper.h" +#include "pmdocumentformat.h" +#include "pmiomanager.h" +#include "pmserializer.h" + +#include <qbuffer.h> +#include <string.h> + +const char* const c_kpmDocumentMimeFormat = "application/x-kpovmodeler"; + +PMObjectDrag::PMObjectDrag( PMPart* part, PMObject* object, QWidget* dragSource, + const char* name ) + : QDragObject( dragSource, name ) +{ + QByteArray modelerData; + + QTextStream s2( modelerData, IO_WriteOnly ); + QDomDocument doc( "KPOVMODELER" ); + QDomElement top = doc.createElement( "objects" ); + doc.appendChild( top ); + top.setAttribute( "majorFormat", c_majorDocumentFormat ); + top.setAttribute( "minorFormat", c_minorDocumentFormat ); + + if( object->type( ) == "Scene" ) + { + PMObject* o = object->firstChild( ); + for( ; o; o = o->nextSibling( ) ) + { + QDomElement e = o->serialize( doc ); + top.appendChild( e ); + } + } + else + { + QDomElement e = object->serialize( doc ); + top.appendChild( e ); + } + s2 << doc; + + m_data.push_back( modelerData ); + m_mimeTypes.push_back( c_kpmDocumentMimeFormat ); + + const QPtrList<PMIOFormat>& formats = part->ioManager( )->formats( ); + QPtrListIterator<PMIOFormat> it( formats ); + for( ; it.current( ); ++it ) + { + if( it.current( )->services( ) & PMIOFormat::Export ) + { + QByteArray data; + QBuffer buffer( data ); + buffer.open( IO_WriteOnly ); + + PMSerializer* ser = it.current( )->newSerializer( &buffer ); + + if( ser ) + { + ser->serialize( object ); + ser->close( ); + delete ser; + buffer.close( ); + + m_data.push_back( data ); + m_mimeTypes.push_back( it.current( )->mimeType( ) ); + + kdDebug( PMArea ) << "Added mime type " << it.current( )->mimeType( ) + << " " << data.size( ) << " bytes" << endl; + } + else + kdError( PMArea ) << "Format claims to support exporting, but doesn't provide a serializer" << endl; + + buffer.close( ); + } + } +} + +PMObjectDrag::PMObjectDrag( PMPart* part, const PMObjectList& objList, QWidget* dragSource, + const char* name ) + : QDragObject( dragSource, name ) +{ + QByteArray modelerData; + + QTextStream s2( modelerData, IO_WriteOnly ); + QDomDocument doc( "KPOVMODELER" ); + QDomElement top = doc.createElement( "objects" ); + doc.appendChild( top ); + top.setAttribute( "majorFormat", c_majorDocumentFormat ); + top.setAttribute( "minorFormat", c_minorDocumentFormat ); + + PMObjectListIterator it( objList ); + for( ; it.current( ); ++it ) + { + if( it.current( )->type( ) == "Scene" ) + { + PMObject* o = it.current( )->firstChild( ); + for( ; o; o = o->nextSibling( ) ) + { + QDomElement e = o->serialize( doc ); + top.appendChild( e ); + } + } + else + { + QDomElement e = it.current( )->serialize( doc ); + top.appendChild( e ); + } + } + + s2 << doc; + + m_data.push_back( modelerData ); + m_mimeTypes.push_back( c_kpmDocumentMimeFormat ); + + const QPtrList<PMIOFormat>& formats = part->ioManager( )->formats( ); + QPtrListIterator<PMIOFormat> fit( formats ); + for( ; fit.current( ); ++fit ) + { + if( fit.current( )->services( ) & PMIOFormat::Export ) + { + QByteArray data; + QBuffer buffer( data ); + buffer.open( IO_WriteOnly ); + + PMSerializer* ser = fit.current( )->newSerializer( &buffer ); + + if( ser ) + { + ser->serializeList( objList ); + ser->close( ); + delete ser; + buffer.close( ); + + m_data.push_back( data ); + m_mimeTypes.push_back( fit.current( )->mimeType( ) ); + + kdDebug( PMArea ) << "Added mime type " << fit.current( )->mimeType( ) + << " " << data.size( ) << " bytes" << endl; + } + else + kdError( PMArea ) << "Format claims to support exporting, but doesn't provide a serializer" << endl; + + buffer.close( ); + } + } +} + +PMObjectDrag::~PMObjectDrag( ) +{ +} + +QByteArray PMObjectDrag::encodedData( const char* format ) const +{ + QValueList<QByteArray>::ConstIterator dit; + QStringList::ConstIterator sit; + + for( dit = m_data.begin( ), sit = m_mimeTypes.begin( ); + dit != m_data.end( ) && sit != m_mimeTypes.end( ); ++dit, ++sit ) + { + if( *sit == format ) + return *dit; + } + + QByteArray empty; + return empty; +} + +const char* PMObjectDrag::format( int i /*=0*/ ) const +{ + if( i >= 0 && i < ( signed ) m_mimeTypes.size( ) ) + return ( *m_mimeTypes.at( i ) ).latin1( ); + return 0; +} + +bool PMObjectDrag::canDecode( const QMimeSource* e, PMPart* part ) +{ + if( e->provides( c_kpmDocumentMimeFormat ) ) + return true; + + const QPtrList<PMIOFormat>& formats = part->ioManager( )->formats( ); + QPtrListIterator<PMIOFormat> fit( formats ); + for( ; fit.current( ); ++fit ) + if( fit.current( )->services( ) & PMIOFormat::Import && + e->provides( fit.current( )->mimeType( ).latin1( ) ) ) + return true; + + return false; +} + +PMParser* PMObjectDrag::newParser( const QMimeSource* e, PMPart* part ) +{ + if( e->provides( c_kpmDocumentMimeFormat ) ) + return new PMXMLParser( part, e->encodedData( c_kpmDocumentMimeFormat ) ); + + const QPtrList<PMIOFormat>& formats = part->ioManager( )->formats( ); + QPtrListIterator<PMIOFormat> fit( formats ); + for( ; fit.current( ); ++fit ) + { + PMIOFormat* f = fit.current( ); + QString str = f->mimeType( ); + const char* lat = str.latin1( ); + if( f->services( ) & PMIOFormat::Import && e->provides( lat ) ) + return f->newParser( part, e->encodedData( lat ) ); + } + + return 0; +} + + |