tests/trees/MainWindow.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/qanRepository.h"
  12 #include "../../src/qanGraphItemModel.h"
  13 #include "../../src/qanGraphItemView.h"
  14 #include "../../src/qanGrid.h"
  15 #include "../../src/qanTreeLayout.h"
  16 #include "./mainWindow.h"
  17
  18
  19 // QT headers
  20 #include <QToolBar>
  21 #include <QAction>
  22 #include <QHeaderView>
  23 #include <QTextCursor>
  24 #include <QDirModel>
  25 #include <QToolButton>
  26
  27
  28 using namespace qan;
  29
  30 void    generateBranch( Graph& _graph, Node& superNode, int depth, QProgressDialog* progress, QApplication* app, bool root = false )
  31 {
  32         if ( --depth < 1 )
  33                 return;
  34
  35         int subNodeCount = 1 + ( rand( ) % 4 );
  36         app->processEvents( );
  37         if ( root )
  38                 progress->setMaximum( subNodeCount );
  39
  40         for ( int n = 0; n < subNodeCount; n++ )
  41         {
  42                 if ( root )
  43                 {
  44                         app->processEvents( );
  45                         progress->setValue( n );
  46                         if ( progress->wasCanceled( ) )
  47                                 break;
  48                 }
  49
  50                 QString label;
  51                 label = "Node ";
  52                 label += QString::number( _graph.getNodeCount( ) );
  53                 Node* node = _graph.addNode( label );
  54                 _graph.addEdge( superNode, *node );
  55
  56                 bool goDeeper = ( rand( ) % 3 );
  57                 if ( goDeeper )
  58                         generateBranch( _graph, *node, depth, progress, app );
  59         }
  60 }
  61
  62 void    generateTree( Graph& _graph, QProgressDialog* progress, QApplication* app, int depth = 5 )
  63 {
  64         Node* root = _graph.addNode( "Root" );
  65         if ( root != 0 )
  66                 generateBranch( _graph, *root, depth, progress, app, true );
  67 }
  68
  69 //-----------------------------------------------------------------------------
  70 MainWindow::MainWindow( QApplication* application, QWidget* parent ) :
  71         QMainWindow( parent ),
  72         _application( application )
  73 {
  74         setupUi( this );
  75
  76         QHBoxLayout *hboxA = new QHBoxLayout( _frameA );
  77         hboxA->setMargin( 0 );
  78         QHBoxLayout *hboxB = new QHBoxLayout( _frameB );
  79         hboxB->setMargin( 0 );
  80
  81         // Create a graph item view and generate a simple graph
  82         Graph* graph = new Graph( );
  83         _graphItemViewA = new qan::GraphItemView( _frameA, graph, QColor( 255, 255, 255 ) );
  84         GridItem* grid = new GridCheckBoardItem( _graphItemViewA->getGraphicsView( ), palette( ).color( QPalette::Base ), palette( ).color( QPalette::AlternateBase ) );
  85
  86         _graphItemViewB = new qan::GraphItemView( _frameB, graph, QColor( 255, 255, 255 ) );
  87         new GridCheckBoardItem( _graphItemViewB->getGraphicsView( ), palette( ).color( QPalette::Base ), palette( ).color( QPalette::AlternateBase ) );
  88
  89         QProgressDialog* progress = new QProgressDialog( "Generating graph...", "Cancel", 0, 100, this );
  90         progress->setWindowModality( Qt::WindowModal );
  91         progress->show( );
  92         generateTree( *graph, progress, _application, 4 );
  93         progress->close( );
  94
  95         hboxA->addWidget( _graphItemViewA );
  96         _graphItemViewA->setModel( graph );
  97         _graphItemViewA->layoutGraph( );
  98
  99         hboxB->addWidget( _graphItemViewB );
 100         _graphItemViewB->setModel( graph );
 101         _graphItemViewB->layoutGraph( );
 102
 103
 104         _graphItemViewA->setGraphLayout( new qan::HierarchyTree( QPointF( 120., 55. ), QPointF( 10., 10. ), Qt::Horizontal ) );
 105         _graphItemViewA->layoutGraph( );
 106
 107         _graphItemViewB->setGraphLayout(  new qan::ChanTree( ) );
 108         _graphItemViewB->layoutGraph( );
 109 }
 110 //-----------------------------------------------------------------------------
 111
 112