appli/InteractiveDeformableMeshSegmentation/MainWnd_LoadPlugins.cxx

   1 #include "MainWnd.h"
   2 #include "ui_MainWnd.h"
   3
   4 #include <cctype>
   5 #include <fstream>
   6 #include <QMessageBox>
   7
   8 // -------------------------------------------------------------------------
   9 bool MainWnd::
  10 _LoadPlugins( )
  11 {
  12   // Clear states
  13   this->m_Plugins.UnloadAll( );
  14   this->m_BaseClasses.clear( );
  15   this->m_SegmentationClasses.clear( );
  16   this->m_SegmentationFilterClasses.clear( );
  17   this->m_MeshFilterClasses.clear( );
  18
  19   // Read file and load plugins
  20   std::ifstream in( this->m_PluginsConfigurationFile.c_str( ) );
  21   if( !in )
  22     return( false );
  23   this->m_LastOpenedFile = this->m_PluginsConfigurationFile;
  24   std::string line, actual_section = "";
  25   std::getline( in, line );
  26   while( !( in.eof( ) ) )
  27   {
  28     std::string clean_line = line;
  29     clean_line.erase(
  30       std::remove_if( clean_line.begin( ), clean_line.end( ), isspace ),
  31       clean_line.end( )
  32       );
  33     if( clean_line[ 0 ] != '#' )
  34     {
  35       if(
  36         clean_line != "sectionplugins"                     &&
  37         clean_line != "sectionbase_classes"                &&
  38         clean_line != "sectionsegmentation_classes"        &&
  39         clean_line != "sectionsegmentation_filter_classes" &&
  40         clean_line != "sectionmesh_filter_classes"
  41         )
  42       {
  43         if( clean_line != "" )
  44         {
  45           if( actual_section == "sectionplugins" )
  46           {
  47             if( !( this->m_Plugins.Load( clean_line ) ) )
  48             {
  49               QMessageBox::warning(
  50                 this,
  51                 tr( "Ignoring plugin" ),
  52                 tr( clean_line.c_str( ) )
  53                 );
  54
  55             } // fi
  56           }
  57           else
  58           {
  59             std::string name =
  60               clean_line.substr( clean_line.find_last_of( ":" ) + 1 );
  61             if( actual_section == "sectionbase_classes" )
  62               this->m_BaseClasses[ name ] = clean_line;
  63             else if( actual_section == "sectionsegmentation_classes" )
  64               this->m_SegmentationClasses[ name ] = clean_line;
  65             else if( actual_section == "sectionsegmentation_filter_classes" )
  66               this->m_SegmentationFilterClasses[ name ] = clean_line;
  67             else if( actual_section == "sectionmesh_filter_classes" )
  68               this->m_MeshFilterClasses[ name ] = clean_line;
  69
  70           } // fi
  71
  72         } // fi
  73       }
  74       else if( clean_line != "" )
  75       {
  76         if( clean_line[ 0 ] != '#' )
  77           actual_section = clean_line;
  78
  79       } // fi
  80
  81     } // fi
  82     std::getline( in, line );
  83
  84   } // elihw
  85   in.close( );
  86
  87   // Check classes existence
  88   if( !( this->_CheckClassesInPlugins( this->m_BaseClasses ) ) )
  89   {
  90     QMessageBox::critical(
  91       this,
  92       tr( "Could not load all base plugins." ),
  93       tr( "Could not load all base plugins... Closing application!" )
  94       );
  95     std::exit( 1 );
  96
  97   } // fi
  98
  99   // Needed object from plugins
 100   this->_AddPluginActions(
 101     this->m_SegmentationClasses, this->m_UI->menuSegmentInputImage,
 102     SLOT( _triggered_actionSegmentImage( ) )
 103     );
 104   this->_AddPluginActions(
 105     this->m_SegmentationFilterClasses, this->m_UI->menuFilterSegmentedImage,
 106     SLOT( _triggered_actionFilterSegmentation( ) )
 107     );
 108   this->_AddPluginActions(
 109     this->m_MeshFilterClasses, this->m_UI->menuProcessMesh,
 110     SLOT( _triggered_actionProcessMesh( ) )
 111     );
 112
 113   // Historic objects
 114 }
 115
 116 // -------------------------------------------------------------------------
 117 bool MainWnd::
 118 _CheckClassesInPlugins( const TStringMap& classes )
 119 {
 120   bool r = true;
 121   TStringMap::const_iterator cIt = classes.begin( );
 122   for( ; cIt != classes.end( ); ++cIt )
 123   {
 124     TPluginObject* o = this->m_Plugins.CreateObject( cIt->second );
 125     if( o != NULL )
 126       delete o;
 127     else
 128       r &= false;
 129
 130   } // rof
 131   return( r );
 132 }
 133
 134 // -------------------------------------------------------------------------
 135 void MainWnd::
 136 _AddPluginActions(
 137   const TStringMap& classes, QMenu* menu, const char* method
 138   )
 139 {
 140   TStringMap::const_iterator clIt = classes.begin( );
 141   for( ; clIt != classes.end( ); ++clIt )
 142   {
 143     QAction* action = menu->addAction( QString( clIt->first.c_str( ) ) );
 144     QObject::connect( action, SIGNAL( triggered( ) ), this, method );
 145
 146   } // rof
 147 }
 148
 149 // eof - $RCSfile$