lib/cpBaseQtApplication/PluginsNavigator.cxx

   1 #include <cpBaseQtApplication/PluginsNavigator.h>
   2 #include <cpPlugins/Interface/Plugins.h>
   3
   4 // -------------------------------------------------------------------------
   5 cpBaseQtApplication::PluginsNavigator::
   6 PluginsNavigator( 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::PluginsNavigator::
  17 ~PluginsNavigator( )
  18 {
  19 }
  20
  21 // -------------------------------------------------------------------------
  22 void cpBaseQtApplication::PluginsNavigator::
  23 Update( )
  24 {
  25   this->_Clear( );
  26   this->_Update( );
  27 }
  28
  29 // -------------------------------------------------------------------------
  30 void cpBaseQtApplication::PluginsNavigator::
  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::PluginsNavigator::
  44 _Update( )
  45 {
  46   cpPlugins::Interface::Plugins::Pointer interface =
  47     cpPlugins::Interface::Plugins::New( );
  48
  49   // Iterate over categories and filters
  50   auto categories = interface->GetCategories( );
  51   unsigned int filter_count = 0;
  52   for( auto c = categories.begin( ); c != categories.end( ); ++c )
  53   {
  54     // Create or get category
  55     QList< QTreeWidgetItem* > cat_items =
  56       this->findItems( c->c_str( ), Qt::MatchExactly | Qt::MatchRecursive );
  57     QTreeWidgetItem* cat = NULL;
  58     if( cat_items.size( ) == 0 )
  59     {
  60       cat = new QTreeWidgetItem(
  61         ( QTreeWidgetItem* )( NULL ), QStringList( c->c_str( ) )
  62         );
  63       this->addTopLevelItem( cat );
  64     }
  65     else
  66       cat = cat_items[ 0 ];
  67
  68     // Create filters
  69     auto filters = interface->GetFilters( *c );
  70     filter_count += filters.size( );
  71     for( auto f = filters.begin( ); f != filters.end( ); ++f )
  72     {
  73       QList< QTreeWidgetItem* > filter_items =
  74         this->findItems( f->c_str( ), Qt::MatchExactly | Qt::MatchRecursive );
  75       auto i = filter_items.begin( );
  76       auto found_i = filter_items.end( );
  77       for( ; i != filter_items.end( ); ++i )
  78         if( ( *i )->parent( ) == cat )
  79           found_i = i;
  80
  81       // Add filter
  82       if( found_i == filter_items.end( ) )
  83         QTreeWidgetItem* filter = new QTreeWidgetItem(
  84           cat, QStringList( f->c_str( ) )
  85           );
  86
  87     } // rof
  88
  89   } // rof
  90   this->expandAll( );
  91 }
  92
  93 // eof - $RCSfile$