tests/qtmodel/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/qanGraphItemModel.h"
  12 #include "../../src/qanGraphItemView.h"
  13 #include "../../src/qanGrid.h"
  14 #include "./canMainWindow.h"
  15
  16
  17 // QT headers
  18 #include <QToolBar>
  19 #include <QAction>
  20 #include <QDirModel>
  21 #include <QSplitter>
  22
  23
  24 //-----------------------------------------------------------------------------
  25 MainWindow::MainWindow( QApplication* application, QWidget* parent ) :
  26         QMainWindow( parent ),
  27         _application( application )
  28 {
  29         // Setup ui
  30         setupUi( this );
  31     QHBoxLayout* hbox = new QHBoxLayout( _frame );
  32         hbox->setMargin( 0 );
  33
  34         // Setup zoom and navigation toolbars
  35         QToolBar* zoomBar = addToolBar( "Zooming" );
  36         QSlider* sldZoom = new QSlider( Qt::Horizontal, zoomBar );
  37         sldZoom->setMinimum( 1 );
  38         sldZoom->setMaximum( 99 );
  39         sldZoom->setPageStep( 10 );
  40         sldZoom->setSliderPosition( 50 );
  41         sldZoom->setMinimumWidth( 190 );
  42         zoomBar->addWidget( sldZoom );
  43
  44         QToolBar* navigationBar = addToolBar( "Navigation" );
  45         navigationBar->setIconSize( QSize( 16, 16 ) );
  46         QAction* layoutGraph = navigationBar->addAction( QIcon( ), "Layout" );
  47         connect( layoutGraph, SIGNAL( triggered( ) ), this, SLOT( layoutGraph( ) ) );
  48         navigationBar->addSeparator( );
  49
  50         QSplitter* splitter = new QSplitter( Qt::Horizontal, this );
  51         hbox->addWidget( splitter );
  52
  53         // Create a directory model ("culled" to a leaf directory for efficiency)
  54         QDirModel* dirModel = new QDirModel( QStringList( ), QDir::AllDirs | QDir::Files, QDir::Name, _frame );
  55
  56         // Display the dir model in a standard qt tree view
  57         QTreeView* dirTreeView = new QTreeView( _frame );
  58         dirTreeView->setAlternatingRowColors( true );
  59         dirTreeView->setMaximumWidth( 200 );
  60         dirTreeView->setModel( dirModel );
  61         splitter->addWidget( dirTreeView );
  62
  63         // Create a grah item view and display the dir model
  64         _dirItemView = new qan::GraphItemView( _frame, 0, QColor( 170, 171, 205 ), QSize( 300, 150 ), false );
  65         qan::GridItem* grid = new qan::GridCheckBoardItem( _dirItemView->getGraphicsView( ), palette( ).color( QPalette::Base ), palette( ).color( QPalette::AlternateBase ) );
  66         _dirItemView->setModel( dirModel );
  67         _dirItemView->setGraphLayout( new qan::UndirectedGraph( ) );
  68         _dirItemView->layoutGraph( );
  69         connect( _dirItemView, SIGNAL( nodeDoubleClicked(qan::Node*) ), this, SLOT( expandNode(qan::Node*) ) );
  70         splitter->addWidget( _dirItemView );
  71
  72         // Add canvas pan and zoom action to the navigation tobar
  73         qan::GraphicsView* graphicsView = _dirItemView->getGraphicsView( );
  74         connect( sldZoom, SIGNAL( valueChanged(int) ), graphicsView, SLOT( setZoomPercent(int) ) );
  75         navigationBar->setIconSize( QSize( 16, 16 ) );
  76
  77         if ( graphicsView->getAction( "zoom_in" ) != 0 )
  78                 navigationBar->addAction( graphicsView->getAction( "zoom_in" ) );
  79         if ( graphicsView->getAction( "zoom_out" ) != 0 )
  80                 navigationBar->addAction( graphicsView->getAction( "zoom_out" ) );
  81         navigationBar->addSeparator( );
  82         if ( graphicsView->getAction( "pan_controller" ) != 0 )
  83                 navigationBar->addAction( graphicsView->getAction( "pan_controller" ) );
  84         if ( graphicsView->getAction( "zoom_window_controller" ) != 0 )
  85                 navigationBar->addAction( graphicsView->getAction( "zoom_window_controller" ) );
  86 }
  87
  88 void    MainWindow::layoutGraph( )
  89 {
  90         _dirItemView->layoutGraph( new QProgressDialog( "Laying out...", "Cancel", 1, 100, this ) );
  91 }
  92
  93 void    MainWindow::expandNode( qan::Node* node )
  94 {
  95         _dirItemView->expand( node );
  96         layoutGraph( );
  97 }
  98 //-----------------------------------------------------------------------------
  99
 100