tests/canMainWindow.cpp

   1 //-----------------------------------------------------------------------------
   2 // This file is a part of the Qanava software.
   3 //
   4 // \file        canMainWindow.cpp
   5 // \author      Benoit Autheman (benoit@libqanava.org)
   6 // \date        2005 November 11
   7 //-----------------------------------------------------------------------------
   8
   9
  10 // Qanava headers
  11 #include "../../src/can/canGraphItemModel.h"
  12 #include "../../src/can/canGraphicsView.h"
  13 #include "../../src/can/canGraphItemView.h"
  14 #include "../../src/can/canGrid.h"
  15 #include "./canMainWindow.h"
  16 #include "./uiProgressQt.h"
  17
  18
  19 // QT headers
  20 #include <QToolBar>
  21 #include <QAction>
  22 #include <QMessageBox>
  23 #include <QTimer>
  24
  25
  26 using namespace qan;
  27
  28
  29 void    generateBranch( la::Graph& _graph, la::Node& superNode, int depth )
  30 {
  31         if ( --depth < 1 )
  32                 return;
  33
  34         int subNodeCount = 5 + ( rand( ) % 5 );
  35         for ( int n = 0; n < subNodeCount; n++ )
  36         {
  37                 QString label;
  38                 label = "Node ";
  39                 label += QString::number( _graph.getNodeCount( ) );
  40                 la::Node* node = _graph.insertNode( label.toStdString( ) );
  41                 _graph.createEdge( superNode, *node );
  42                 generateBranch( _graph, *node, depth );
  43         }
  44 }
  45
  46 void    generateTree( la::Graph& _graph, int depth = 5 )
  47 {
  48         la::Node* root = _graph.insertNode( "Root" );
  49         if ( root != 0 )
  50                 generateBranch( _graph, *root, depth );
  51         _graph.generateRootNodes( );
  52 }
  53
  54 //-----------------------------------------------------------------------------
  55 MainWindow::MainWindow( QApplication* application, QWidget* parent ) :
  56         QMainWindow( parent ),
  57         _application( application )
  58 {
  59         setupUi( this );
  60
  61     QHBoxLayout *hbox = new QHBoxLayout( _frame );
  62         hbox->setMargin( 0 );
  63         hbox->setSpacing( 2 );
  64
  65         // Setup zoom and navigation toolbars
  66         QToolBar* zoomBar = addToolBar( "Zooming" );
  67         QSlider* sldZoom = new QSlider( Qt::Horizontal, zoomBar );
  68         sldZoom->setMinimum( 1 );
  69         sldZoom->setMaximum( 99 );
  70         sldZoom->setPageStep( 10 );
  71         sldZoom->setSliderPosition( 50 );
  72         sldZoom->setMinimumWidth( 190 );
  73         zoomBar->addWidget( sldZoom );
  74
  75         QToolBar* navigationBar = addToolBar( "Navigation" );
  76         navigationBar->setIconSize( QSize( 16, 16 ) );
  77
  78         // Generate a simple _graph
  79         _graph = new la::Graph( );
  80
  81         // Setup item views
  82         _graphItemView = new can::GraphItemView( _frame, _graph, QColor( 170, 171, 205 ) );
  83         can::Grid* grid = new can::GridCheckBoard( _graphItemView->getGraphicsView( ), QColor( 255, 255, 255 ), QColor( 238, 230, 230 ) );
  84         hbox->addWidget( _graphItemView );
  85
  86         // Add canvas pan and zoom action to the navigation tobar
  87         _cbGridType = new QComboBox( navigationBar );
  88         _cbGridType->addItem( QIcon(), "<< Grid Type >>" );
  89         _cbGridType->addItem( QIcon(), "Regular" );
  90         _cbGridType->addItem( QIcon(), "Check Board" );
  91         connect( _cbGridType, SIGNAL(activated(int)), this, SLOT(gridChanged(int)));
  92         navigationBar->addWidget( _cbGridType );
  93
  94         can::GraphicsView* graphicsView = _graphItemView->getGraphicsView( );
  95         connect( sldZoom, SIGNAL( valueChanged(int) ), graphicsView, SLOT( setZoomPercent(int) ) );
  96         navigationBar->setIconSize( QSize( 16, 16 ) );
  97
  98         if ( graphicsView->getAction( "zoom_in" ) != 0 )
  99                 navigationBar->addAction( graphicsView->getAction( "zoom_in" ) );
 100         if ( graphicsView->getAction( "zoom_out" ) != 0 )
 101                 navigationBar->addAction( graphicsView->getAction( "zoom_out" ) );
 102         navigationBar->addSeparator( );
 103         if ( graphicsView->getAction( "pan_controller" ) != 0 )
 104                 navigationBar->addAction( graphicsView->getAction( "pan_controller" ) );
 105         if ( graphicsView->getAction( "zoom_window_controller" ) != 0 )
 106                 navigationBar->addAction( graphicsView->getAction( "zoom_window_controller" ) );
 107
 108
 109         QTimer::singleShot( 0, this, SLOT( loadGraph( ) ) );
 110 }
 111
 112 void    MainWindow::loadGraph( )
 113 {
 114         generateTree( *_graph, 5 );
 115
 116         can::GraphItemModel* graphModel = new can::GraphItemModel( *_graph );
 117         _graphItemView->setModel( graphModel );
 118         //qan::utl::ProgressVoid progress;
 119         qan::ui::ProgressQt* progress = new qan::ui::ProgressQt( _application, this );
 120
 121         qan::la::VectorF origin( 2 ); origin( 0 ) = 10.f; origin( 1 ) = 10.f;
 122         qan::la::VectorF spacing( 2 ); spacing( 0 ) = 120.f; spacing( 1 ) = 55.f;
 123         //_graphItemView->setGraphLayout( new qan::la::DirectedTree( origin, spacing, qan::la::DirectedTree::HORIZONTAL ), progress );
 124         //_graphItemView->setGraphLayout( new qan::la::UndirectedGraph( ), progress );
 125         _graphItemView->setGraphLayout( new qan::la::Concentric( 20., 60. ), *progress );
 126         _graphItemView->layoutGraph( *progress );
 127 }
 128 //-----------------------------------------------------------------------------
 129
 130