source: fedd/abac-src/atnvis/src/com/algomagic/atn/ClusterUpdate.java @ ab37086

package com.algomagic.atn;

import att.grappa.*;

public class ClusterUpdate extends AbstractUpdate implements Update {
    private int _cluster;
    private boolean _start;
    private boolean _local;

    public ClusterUpdate( int cluster, boolean start, boolean local, int side ) {
        _cluster = cluster;
        _start = start;
        _local = local;
        _side = side;
    }

    public int initialize( VisualizationPanel visPanel ) {
//      Graph graph = visPanel.getGraph( );
//      Subgraph sg = graph.findSubgraphByName( _cluster );
//      if( sg == null ) {
//          new Subgraph( graph, _cluster );
//      }

        return 3;
    }

    public boolean apply( VisualizationPanel visPanel ) {

//      Subgraph sg = visPanel.getGraph( ).findSubgraphByName( _cluster );
//      if( sg == null ) {
//          return;
//      }

        
//      Subgraph current = visPanel.getCurrentCluster( );
//      if( current != null && _start ) {
//          hide( current );
//      }

//      visPanel.setCurrentCluster( sg );
        if( _start && _local ) {
//          System.out.println( "raising local tab" );
            visPanel.setRaised( _local );

            visPanel.setLocal( true );
        } else {
            visPanel.setLocal( false );
        }


//      if( _start && _local ) {
//          hide( sg );
//      } 
        
//      if( _start && !_local ) {
//          show( sg );
//      } 

//      if( !_start ) {
//          show( sg );
//      }

        return true;

    }


    public void undo( VisualizationPanel visPanel ) {
        if( _start && _local ) {
            visPanel.setLocal( false );
        } else if( !_start && _local ) {
            visPanel.setLocal( true );
        } else if( _start && !_local ) {
            visPanel.setLocal( true );
        } else {
            visPanel.setLocal( false );
        }

    }



//     private void show( Subgraph sg ) {
//      sg.setAttribute( "style", "solid" );
//      sg.setAttribute( "color", "black" );
//     }

//     private void hide( Subgraph sg ) {
//      sg.setAttribute( "style", "dotted" );
//      sg.setAttribute( "color", "whitesmoke" );
//     }

    public int getCluster( ) {
        return _cluster;
    }



    public boolean getLocal( ) {
        return _local;
    }


    public boolean getStart( ) {
        return _start;
    }

    public Element getElement( VisualizationPanel visPanel ) {
        throw new RuntimeException( );
    }
    

}