[CHANGE] - now module path can be defined in the walnut.cfg

doc/user/walnut.cfg.devel

@@ -7,6 +7,8 @@
 ## An example could be
 # default=HUD
 #whiteList =Isosurface,Bounding Box, Direct Volume Rendering,Distance Map Isosurface,Gauss Filtering,HUD,Vector Plot,Write NIfTI # A list of modules that will be provided through the GUI. If the list is empty all available modules are provided.
+# path = /some/directory # this is useful to define the path where OpenWalnut searches modules for loading. It can be relative to the bin
+# directory.
 
 [qt4gui]
 ####################################################################

doc/user/walnut.cfg.mpi

@@ -13,6 +13,8 @@ allowOnlyOneFiberDataSet = yes # This will prevent you from accidently loading m
 ## A list of modules that will be provided through the GUI. 
 ## If the list is empty all available modules are provided.
 whiteList = Isosurface,Bounding Box,Isosurface Raytracer,Distance Map Isosurface,Gauss Filtering,HUD,Vector Plot,Write NIfTI,Mesh Reader,Triangle Mesh Renderer,Arbitrary Rois,LIC,Voxelizer,Superquadric Glyphs
+# path = /some/directory # this is useful to define the path where OpenWalnut searches modules for loading. It can be relative to the bin
+# directory.
 
 [qt4gui]
 ####################################################################

src/kernel/WModuleFactory.cpp

@@ -42,7 +42,7 @@ boost::shared_ptr< WModuleFactory > WModuleFactory::m_instance = boost::shared_p
 
 WModuleFactory::WModuleFactory():
     m_prototypes(),
-    m_moduleLoader( "../lib/modules" )
+    m_moduleLoader()
 {
     // initialize members
 }

src/kernel/WModuleLoader.cpp

@@ -26,14 +26,18 @@
 #include <string>
 
 #include "../common/WIOTools.h"
+#include "../common/WPreferences.h"
 #include "../common/WSharedLib.h"
 
 #include "WModuleLoader.h"
 
-WModuleLoader::WModuleLoader( const boost::filesystem::path& relPath ):
-    m_path( relPath )
+WModuleLoader::WModuleLoader( ):
+    m_path( "." )
 {
     // initialize members
+    std::string libPath = "../lib/modules";
+    WPreferences::getPreference( "modules.path", &libPath );
+    m_path = boost::filesystem::path( libPath );
 }
 
 WModuleLoader::~WModuleLoader()

src/kernel/WModuleLoader.h

@@ -46,9 +46,8 @@ public:
 	/**
 	 * Constructor. It does not load any files. Use load to do this.
 	 *
-	 * \param relPath The relative path of the module lib directory.
-	 */
-    explicit WModuleLoader( const boost::filesystem::path& relPath );
+     */
+    explicit WModuleLoader();
 
 	/**
 	 * Destructor, closes all handles to shared libraries.
@@ -72,7 +71,7 @@ private:
     /**
      * Path to the modules. This is used during load to find all libMODULENAME.{so,dll,dylib} files.
      */
-    const boost::filesystem::path m_path;
+    boost::filesystem::path m_path;
 };
 
 #endif  // WMODULELOADER_H