tests/simpleqtmodel/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/qanGraphView.h"
  12 #include "../../src/qanGrid.h"
  13 #include "./canMainWindow.h"
  14
  15
  16 // QT headers
  17 #include <QToolBar>
  18 #include <QAction>
  19 #include <QSplitter>
  20
  21 // STD headers
  22 #include <sstream>
  23
  24
  25 using namespace qan;
  26
  27
  28 //-----------------------------------------------------------------------------
  29 MainWindow::MainWindow( QApplication* application, QWidget* parent ) :
  30         QMainWindow( parent ),
  31         _application( application )
  32 {
  33         // Setup ui
  34         setupUi( this );
  35     QHBoxLayout* hbox = new QHBoxLayout( _frame );
  36         hbox->setMargin( 0 );
  37
  38         // Setup zoom and navigation toolbars
  39         QToolBar* navigationBar = addToolBar( "Navigation" );
  40         navigationBar->setIconSize( QSize( 16, 16 ) );
  41         QAction* layoutGraph = navigationBar->addAction( QIcon( ), "Layout" );
  42         connect( layoutGraph, SIGNAL( triggered( ) ), this, SLOT( layoutGraph( ) ) );
  43         navigationBar->addSeparator( );
  44
  45         QAction* addNode = navigationBar->addAction( QIcon( ), "Add Node" );
  46         connect( addNode, SIGNAL( triggered( ) ), this, SLOT( addNode( ) ) );
  47         QAction* removeNode = navigationBar->addAction( QIcon( ), "Remove Node" );
  48         connect( removeNode, SIGNAL( triggered( ) ), this, SLOT( removeNode( ) ) );
  49         QAction* modifyNode = navigationBar->addAction( QIcon( ), "Modify Node" );
  50         connect( modifyNode, SIGNAL( triggered( ) ), this, SLOT( modifyNode( ) ) );
  51         QAction* addEdge = navigationBar->addAction( QIcon( ), "Add Edge" );
  52         connect( addEdge, SIGNAL( triggered( ) ), this, SLOT( addEdge( ) ) );
  53         navigationBar->addSeparator( );
  54
  55         // Generate a simple graph
  56         _graph = new Graph( );
  57         Node& na = *_graph->addNode( "Node A", 2 );
  58         Node& nb = *_graph->addNode( "Node B", 1 );
  59         _graph->addEdge( na, nb );
  60
  61         Node& nc = *_graph->addNode( "Node C", 1 );
  62         _graph->addEdge( nb, nc );
  63
  64         Node& nd = *_graph->addNode( "<b>Node D</b>", 1 );
  65
  66         _whiteNode = new Style( "whitenode" );
  67         _whiteNode->addColor( "backcolor", 164, 206, 57 );
  68
  69         // Display the dir model in a standard qt tree view
  70         _graphTreeView = new QTreeView( _frame );
  71         _graphTreeView->setAlternatingRowColors( true );
  72         _graphTreeView->setMaximumWidth( 130 );
  73         _graph->updateModels( );
  74         _graphTreeView->setModel( _graph );
  75         _graphTreeView->setSelectionMode( QAbstractItemView::ExtendedSelection );
  76
  77         // Create a grah item view and display the dir model
  78         _graphView = new qan::GraphView( _frame );
  79         GridItem* grid = new GridCheckBoardItem( _graphView, palette( ).color( QPalette::Base ), palette( ).color( QPalette::AlternateBase ) );
  80
  81         _graphView->applyStyle( &na, _whiteNode );
  82         _graphView->applyStyle( &nb, _whiteNode );
  83         _graphView->applyStyle( &nc, _whiteNode );
  84         _graphView->applyStyle( &nd, _whiteNode );
  85
  86         _graphView->setGraph( *_graph );
  87         _graphView->setGraphLayout( new qan::UndirectedGraph( ) );
  88         _graphView->layoutGraph( );
  89
  90         QSplitter* qSplitter = new QSplitter( _frame );
  91         qSplitter->addWidget( _graphTreeView );
  92         qSplitter->addWidget( _graphView );
  93         hbox->addWidget( qSplitter );
  94
  95         QToolBar* zoomBar = addToolBar( "Zooming" );
  96         QSlider* sldZoom = new QSlider( Qt::Horizontal, zoomBar );
  97         sldZoom->setMinimum( 1 );
  98         sldZoom->setMaximum( 99 );
  99         sldZoom->setPageStep( 10 );
 100         sldZoom->setSliderPosition( 50 );
 101         sldZoom->setMinimumWidth( 190 );
 102         zoomBar->addWidget( sldZoom );
 103
 104         connect( sldZoom, SIGNAL( valueChanged(int) ), _graphView, SLOT( setZoomPercent(int) ) );
 105         zoomBar->setIconSize( QSize( 16, 16 ) );
 106         if ( _graphView->getAction( "zoom_in" ) != 0 )
 107                 zoomBar->addAction( _graphView->getAction( "zoom_in" ) );
 108         if ( _graphView->getAction( "zoom_out" ) != 0 )
 109                 zoomBar->addAction( _graphView->getAction( "zoom_out" ) );
 110         zoomBar->addSeparator( );
 111         if ( _graphView->getAction( "pan_controller" ) != 0 )
 112                 zoomBar->addAction( _graphView->getAction( "pan_controller" ) );
 113         if ( _graphView->getAction( "zoom_window_controller" ) != 0 )
 114                 zoomBar->addAction( _graphView->getAction( "zoom_window_controller" ) );
 115 }
 116
 117 void    MainWindow::layoutGraph( )
 118 {
 119         _graphView->layoutGraph( );
 120 }
 121
 122 void    MainWindow::removeNode( )
 123 {
 124         if ( _graphTreeView->selectionModel( )->selection( ).size( ) != 0 )
 125         {
 126                 const QModelIndexList& indexes = _graphTreeView->selectionModel( )->selection( ).indexes( );
 127                 if ( indexes.begin( ) != indexes.end( ) )
 128                 {
 129                         QModelIndex id = *indexes.begin( );
 130                         Node* node = _graph->getModelIndexNode( id );
 131                         if ( node != 0 )
 132                                 _graph->removeNode( *node );
 133                 }
 134         }
 135 }
 136
 137 void    MainWindow::addNode( )
 138 {
 139         Node* parentNode = 0;
 140         if ( _graphTreeView->selectionModel( )->selection( ).size( ) != 0 )
 141         {
 142                 const QModelIndexList& indexes = _graphTreeView->selectionModel( )->selection( ).indexes( );
 143                 if ( indexes.begin( ) != indexes.end( ) )
 144                 {
 145                         QModelIndex id = *indexes.begin( );
 146                         parentNode = _graph->getModelIndexNode( id );
 147                 }
 148         }
 149
 150         {
 151                 // Insert root node
 152                 Node* node = _graph->insertNode( QString( "Node " ) + QString::number( _graph->getNodeCount( ) ), -1 );
 153                 _graphView->applyStyle( node, _whiteNode );
 154                 //_graphView->updateGraphStyles( );
 155         }
 156 }
 157
 158 void    MainWindow::addEdge( )
 159 {
 160         Node* srcNode = 0;
 161         Node* dstNode = 0;
 162         if ( _graphTreeView->selectionModel( )->selection( ).size( ) == 2 )
 163         {
 164                 const QModelIndexList& indexes = _graphTreeView->selectionModel( )->selection( ).indexes( );
 165                 QModelIndex srcId = indexes.at( 0 );
 166                 srcNode = _graph->getModelIndexNode( srcId );
 167                 QModelIndex dstId = indexes.at( 1 );
 168                 dstNode = _graph->getModelIndexNode( dstId );
 169         }
 170
 171         if ( srcNode != 0 && dstNode != 0 )
 172                 _graph->insertEdge( *srcNode, *dstNode );
 173 }
 174
 175 void    MainWindow::modifyNode( )
 176 {
 177         Node* node = 0;
 178         if ( _graphTreeView->selectionModel( )->selection( ).size( ) != 0 )
 179         {
 180                 const QModelIndexList& indexes = _graphTreeView->selectionModel( )->selection( ).indexes( );
 181                 if ( indexes.begin( ) != indexes.end( ) )
 182                 {
 183                         QModelIndex id = *indexes.begin( );
 184                         node = _graph->getModelIndexNode( id );
 185                 }
 186         }
 187
 188 //      if ( node != 0 )
 189 //              _graph->modifyNode( GraphViewnode, node->getLabel( ) + "_youpi!" );
 190 }
 191 //-----------------------------------------------------------------------------
 192
 193