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, 103 insertions, 0 deletions

diff --git a/kpovmodeler/pmresourcelocator.cpp b/kpovmodeler/pmresourcelocator.cpp
new file mode 100644
index 00000000..7c778b31
--- /dev/null
+++ b/kpovmodeler/pmresourcelocator.cpp
@@ -0,0 +1,103 @@
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 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 "pmresourcelocator.h"
+#include "pmpovrayrenderwidget.h"
+#include "pmdebug.h"
+
+#include <qfileinfo.h>
+#include <qdir.h>
+
+PMResourceLocator* PMResourceLocator::s_pInstance = 0;
+KStaticDeleter<PMResourceLocator> PMResourceLocator::s_staticDeleter;
+
+PMResourceLocator::PMResourceLocator( )
+      : m_cache( 100, 109, true )
+{
+   m_cache.setAutoDelete( true );
+}
+
+PMResourceLocator::~PMResourceLocator( )
+{
+   m_cache.clear( );
+}
+
+QString PMResourceLocator::findFile( const QString& file )
+{
+   if( !s_pInstance )
+      s_staticDeleter.setObject( s_pInstance, new PMResourceLocator( ) );
+   return s_pInstance->lookUp( file );
+}
+
+void PMResourceLocator::clearCache( )
+{
+   if( s_pInstance )
+      s_pInstance->m_cache.clear( );
+}
+
+QString PMResourceLocator::lookUp( const QString& file )
+{
+   if( file.isEmpty( ) )
+      return QString::null;
+
+   kdDebug( PMArea ) << "LookUp: " << file << endl;
+   
+   QString* ps = m_cache.find( file );
+   if( ps )
+      return *ps;
+
+   bool found = false;
+   QString fullPath = QString::null;
+   
+   if( file[0] == '/' )
+   {
+      // absolute path, library paths are not used
+      QFileInfo info( file );
+      if( info.exists( ) && info.isReadable( ) && info.isFile( ) )
+      {
+         found = true;
+         fullPath = file;
+      }
+   }
+   else
+   {
+      QStringList plist = PMPovrayRenderWidget::povrayLibraryPaths( );
+      QStringList::ConstIterator it = plist.begin( );
+      for( ; ( it != plist.end( ) ) && !found; ++it )
+      {
+         QDir dir( *it );
+         QFileInfo info( dir, file );
+         if( info.exists( ) && info.isReadable( ) && info.isFile( ) )
+         {
+            found = true;
+            fullPath = info.absFilePath( );
+         }
+      }
+   }
+
+   if( found )
+   {
+      QString* ni = new QString( fullPath );
+      if( !m_cache.insert( file, ni ) )
+         delete ni;
+      kdDebug( PMArea ) << "File \"" << file << "\" found in "
+                        << fullPath << endl;
+   }
+
+   return fullPath;
+}
+