lib/cpBaseQtApplication/Plugins/Navigator.cxx

   1 #include <cpBaseQtApplication/Plugins/Navigator.h>
   2 #include <cpPlugins/Interface/Loader.h>
   3
   4 // -------------------------------------------------------------------------
   5 cpBaseQtApplication::Plugins::Navigator::
   6 Navigator( QWidget* parent )
   7   : Superclass( parent )
   8 {
   9   this->setDragEnabled( true );
  10   this->setDragDropMode( QAbstractItemView::DragOnly );
  11   this->setAlternatingRowColors( true );
  12   this->_Clear( );
  13 }
  14
  15 // -------------------------------------------------------------------------
  16 cpBaseQtApplication::Plugins::Navigator::
  17 ~Navigator( )
  18 {
  19 }
  20
  21 // -------------------------------------------------------------------------
  22 void cpBaseQtApplication::Plugins::Navigator::
  23 Update( )
  24 {
  25   this->_Clear( );
  26   this->_Update( );
  27 }
  28
  29 // -------------------------------------------------------------------------
  30 void cpBaseQtApplication::Plugins::Navigator::
  31 _Clear( )
  32 {
  33   this->clear( );
  34   this->setColumnCount( 1 );
  35   QString header_txt = "Loaded plugins";
  36   if( QTreeWidgetItem* header = this->headerItem( ) )
  37     header->setText( 0, header_txt );
  38   else
  39     this->setHeaderLabel( header_txt );
  40 }
  41
  42 // -------------------------------------------------------------------------
  43 void cpBaseQtApplication::Plugins::Navigator::
  44 _Update( )
  45 {
  46   typedef cpPlugins::Interface::Loader _TLoader;
  47   _TLoader loader;
  48
  49   // Iterate over categories and filters
  50   auto filters = loader.GetFilters( );
  51   for( auto catIt : filters )
  52   {
  53     const char* c_cat = catIt.first.c_str( );
  54
  55     // Create or get category
  56     QList< QTreeWidgetItem* > cat_items =
  57       this->findItems( c_cat, Qt::MatchExactly | Qt::MatchRecursive );
  58     QTreeWidgetItem* cat = NULL;
  59     if( cat_items.size( ) == 0 )
  60     {
  61       cat = new QTreeWidgetItem(
  62         ( QTreeWidgetItem* )( NULL ), QStringList( c_cat )
  63         );
  64       this->addTopLevelItem( cat );
  65     }
  66     else
  67       cat = cat_items[ 0 ];
  68
  69     for( auto filIt : catIt.second )
  70     {
  71       const char* c_fil = filIt.c_str( );
  72       QList< QTreeWidgetItem* > filter_items =
  73         this->findItems( c_fil, Qt::MatchExactly | Qt::MatchRecursive );
  74       auto i = filter_items.begin( );
  75       auto found_i = filter_items.end( );
  76       for( ; i != filter_items.end( ); ++i )
  77         if( ( *i )->parent( ) == cat )
  78           found_i = i;
  79
  80       // Add filter
  81       if( found_i == filter_items.end( ) )
  82         QTreeWidgetItem* filter = new QTreeWidgetItem(
  83           cat, QStringList( c_fil )
  84           );
  85
  86     } // rof
  87
  88   } // rof
  89   this->expandAll( );
  90 }
  91
  92 // eof - $RCSfile$