Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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;
+}
+
+