tests/layout/canMainWindow.ui.h

   1 /****************************************************************************
   2 ** ui.h extension file, included from the uic-generated form implementation.
   3 **
   4 ** If you wish to add, delete or rename functions or slots use
   5 ** Qt Designer which will update this file, preserving your code. Create an
   6 ** init() function in place of a constructor, and a destroy() function in
   7 ** place of a destructor.
   8 *****************************************************************************/
   9
  10
  11 void MainWindow::init()
  12 {
  13         // Create canvas
  14         _canvas = new qan::can::Canvas( 300, 150 );
  15         _canvas->setBackgroundColor( QColor( 255, 255, 255 ) );
  16
  17
  18         // Add a canvas view
  19         _canvasView = new qan::can::CanvasView( *_canvas, _frame, "niCanvasView" );
  20     QVBoxLayout *vbox = new QVBoxLayout( _frame );
  21     vbox->addWidget( _canvasView );
  22     connect( _sldZoom, SIGNAL( valueChanged(int) ), _canvasView, SLOT( setZoom(int) ) );
  23
  24
  25         // Create a graph
  26         _graph = new qan::la::Graph( );
  27
  28
  29         // Create a graphical view for the graph on the canvas
  30         _graphView = new qan::can::GraphViewImpl( *_canvas, *_graph );
  31
  32         qan::can::AdvStyle* blueNode = new qan::can::AdvStyle( "bluenode" );
  33         blueNode->addImage( "backimage", "images/gradblue.png" );
  34         blueNode->addColor( "bordercolor", 0, 0, 0 );
  35
  36         qan::can::AdvStyle* greenNode = new qan::can::AdvStyle( "greennode" );
  37         greenNode->addImage( "backimage", "images/gradgreen.png" );
  38         greenNode->addColor( "bordercolor", 50, 100, 200 );
  39
  40         qan::can::AdvStyle* orangeNode = new qan::can::AdvStyle( "centernode" );
  41         orangeNode->addImage( "backimage", "images/gradorange.png" );
  42         orangeNode->addColor( "bordercolor", 50, 100, 200 );
  43         orangeNode->addValue( "fontsize", 12 );
  44
  45
  46
  47         qan::la::Node* center = new qan::la::Node( "<b>Center</b>" );
  48         _graph->registerNode( *center );
  49         _graph->addRoot( *center );
  50         _graphView->getStyleManager( ).setStyle( center, *orangeNode );
  51
  52         qan::la::Node* n = new qan::la::Node( "Node 1" );
  53         _graph->registerNode( *n );
  54         _graph->createEdge( *center, *n );
  55         _graphView->getStyleManager( ).setStyle( n, *blueNode );
  56
  57         qan::la::Node* m = new qan::la::Node( "Node 11" );
  58         _graph->registerNode( *m );
  59         _graph->createEdge( *n, *m );
  60         _graphView->getStyleManager( ).setStyle( m, *blueNode );
  61
  62         n = new qan::la::Node( "Node 2" );
  63         _graph->registerNode( *n );
  64         _graph->createEdge( *center, *n );
  65         _graphView->getStyleManager( ).setStyle( n, *blueNode );
  66
  67         m = new qan::la::Node( "Node 21" );
  68         _graph->registerNode( *m );
  69         _graph->createEdge( *n, *m );
  70         _graphView->getStyleManager( ).setStyle( m, *blueNode );
  71
  72         n = new qan::la::Node( "Node 3" );
  73         _graph->registerNode( *n );
  74         _graph->createEdge( *center, *n );
  75         _graphView->getStyleManager( ).setStyle( n, *greenNode );
  76
  77         m = new qan::la::Node( "Node 31" );
  78         _graph->registerNode( *m );
  79         _graph->createEdge( *n, *m );
  80         _graphView->getStyleManager( ).setStyle( m, *greenNode );
  81
  82         n = new qan::la::Node( "Node 4" );
  83         _graph->registerNode( *n );
  84         _graph->createEdge( *center, *n );
  85         _graphView->getStyleManager( ).setStyle( n, *greenNode );
  86
  87         m = new qan::la::Node( "Node 41" );
  88         _graph->registerNode( *m );
  89         _graph->createEdge( *n, *m );
  90         _graphView->getStyleManager( ).setStyle( m, *greenNode );
  91
  92         m = new qan::la::Node( "Node 42" );
  93         _graph->registerNode( *m );
  94         _graph->createEdge( *n, *m );
  95         _graphView->getStyleManager( ).setStyle( m, *greenNode );
  96
  97         _graphView->update( );
  98
  99         _layout = new qan::la::Random( );
 100         qan::utl::ProgressVoid progress;
 101         _layout->layout( *_graph, _canvas->getGrid( ), _canvas->width( ), _canvas->height( ), progress );
 102         _graphView->updatePositions( );
 103         _graphView->show( );
 104
 105         _layout = 0;
 106 }
 107
 108
 109
 110 void MainWindow::layout()
 111 {
 112         if ( _layout != 0 )
 113                 delete _layout;
 114
 115         switch ( _cbLayoutType->currentItem( ) )
 116         {
 117         case 0:
 118                 return;
 119                 break;
 120         case 1:
 121                 {
 122                         qan::la::Vectorf origin( 2 ); origin( 0 ) = 10.f; origin( 1 ) = 10.f;
 123                         qan::la::Vectorf spacing( 2 ); spacing( 0 ) = 120.f; spacing( 1 ) = 55.f;
 124                         _layout = new qan::la::DirectedTree( origin, spacing, qan::la::DirectedTree::HORIZONTAL );
 125                 }
 126                 break;
 127         case 2:
 128                 _layout = new qan::la::UndirectedGraph( );
 129                 break;
 130         case 3:
 131                 _layout = new qan::la::Random( );
 132                 break;
 133         default:
 134                 return;
 135                 break;
 136         }
 137
 138         // Apply the settings if all needed parameters have been specified
 139         if ( _layout != 0 && _canvas != 0  && _graph != 0 && _graphView != 0 )
 140         {
 141                 // Update the graph layout
 142                 _graphView->hide( );
 143                 qan::qui::ProgressQt progressQt( this );
 144                 _layout->layout( *_graph, _canvas->getGrid( ), _canvas->width( ), _canvas->height( ), progressQt );
 145                 //progress->finish( );
 146                 _graphView->show( );
 147
 148                 // Update the item position on the canvas to fit the new layout node's position, and show the nodes
 149                 _graphView->update( );
 150                 _canvasView->show( );
 151         }
 152 }