org.eclipse.draw2d.LayeredPane Java Examples

@Override
protected IFigure createMain ()
{
    final Figure baseFigure = new LayeredPane ();

    final Layer rootFigure = new Layer ();

    this.connLayer = new ConnectionLayer ();
    this.connLayer.setAntialias ( 1 );
    this.connLayer.setConnectionRouter ( ConnectionRouter.NULL );

    baseFigure.add ( this.connLayer );
    baseFigure.add ( rootFigure );

    rootFigure.setLayoutManager ( new BorderLayout () );
    rootFigure.setBackgroundColor ( ColorConstants.white );

    rootFigure.add ( createArrowFigure (), BorderLayout.RIGHT );
    rootFigure.add ( createEntryGrid ( this.connLayer ), BorderLayout.CENTER );

    return baseFigure;
}
 

protected IFigure createRoot ()
{
    this.rootFigure = createMain ();
    this.naFigure = createNaPanel ();

    final Figure baseFigure = new LayeredPane ();

    baseFigure.add ( this.rootFigure );
    baseFigure.add ( this.naFigure );

    return baseFigure;
}
 

/**
 * Creates the top-most set of layers on the given layered pane.
 * 
 * @param layeredPane
 *            the parent for the created layers
 */
protected void createLayers( LayeredPane layeredPane )
{
	Figure figure = new FreeformLayer( );
	figure.setOpaque( false );
	layeredPane.add( figure, CELL_HANDLE_LAYER );
	layeredPane.add( getPrintableLayers( ), PRINTABLE_LAYERS );
	layeredPane.add( new FreeformLayer( ), HANDLE_LAYER );
	layeredPane.add( new GuideLayer( ), GUIDE_LAYER );
}
 

/**
 * this layer may be a un-useful layer.
 * 
 * @return the layered pane containing all printable content
 */
protected LayeredPane getPrintableLayers( )
{
	if ( printableLayers == null )
		printableLayers = createPrintableLayers( );
	return printableLayers;
}
 

/**
 * Creates the top-most set of layers on the given layered pane.
 * 
 * @param layeredPane
 *            the parent for the created layers
 */
protected void createLayers( LayeredPane layeredPane )
{
	layeredPane.add( createGridLayer( ), GRID_LAYER );
	layeredPane.add( getPrintableLayers( ), PRINTABLE_LAYERS );
	layeredPane.add( new FreeformLayer( ), HANDLE_LAYER );
	layeredPane.add( new GuideLayer( ), GUIDE_LAYER );
}
 

/**
 * this layer may be a un-useful layer.
 * 
 * @return the layered pane containing all printable content
 */
protected LayeredPane getPrintableLayers( )
{
	if ( printableLayers == null )
		printableLayers = createPrintableLayers( );
	return printableLayers;
}
 

/**
 * Creates a layered pane and the layers that should be printed.
 * 
 * @see org.eclipse.gef.print.PrintGraphicalViewerOperation
 * @return a new LayeredPane containing the printable layers
 */
protected LayeredPane createPrintableLayers( )
{
	FreeformLayeredPane layeredPane = new FreeformLayeredPane( );
	FreeformLayer layer = new FreeformLayer( );

	layer.setLayoutManager( new TableLayout( this ) );
	layeredPane.add( layer, PRIMARY_LAYER );
	layeredPane.add( new TableBorderLayer( this ), BORDER_LAYER );
	return layeredPane;
}
 

/**
 * @see FreeformGraphicalRootEditPart#createLayers(LayeredPane)
 */
protected void createLayers( LayeredPane layeredPane )
{
	layeredPane.add( getScaledLayers( ), SCALABLE_LAYERS );

	layeredPane.add( new FreeformLayer( ), HANDLE_LAYER );
	layeredPane.add( new FeedbackLayer( ), FEEDBACK_LAYER );
	layeredPane.add( new GuideLayer( ), GUIDE_LAYER );
}
 

protected Dimension calculatePreferredSize( IFigure container, int wHint,
		int hHint )
{		
	Rectangle rect = container.getParent( ).getClientArea( ).getCopy( );
	List list = container.getChildren( );
	if (list.size( ) == 0)
	{
		return Dimension.SINGLETON;
	}
	
	Figure child = (Figure)list.get( 0 );
	
	wHint = Math.max( -1, wHint - container.getInsets( ).getWidth( ) );
	hHint = Math.max( -1, hHint - container.getInsets( ).getHeight( ) );
	
	wHint = Math.max( wHint,rect.width - container.getInsets( ).getWidth( ) );
	hHint = Math.max( hHint, rect.height - container.getInsets( ).getHeight( ) );
	
	if (child instanceof TableFigure && needlayout)
	{
		IFigure tablePane = ( (LayeredPane) ( (LayeredPane) ( (TableFigure) child ).getContents( ) ).getLayer( LayerConstants.PRINTABLE_LAYERS ) ).getLayer( LayerConstants.PRIMARY_LAYER );
		LayoutManager layoutManager = tablePane.getLayoutManager( );
		
		( (TableLayout) layoutManager ).markDirty( );
		container.getBounds( ).width = wHint;
		container.getBounds( ).height = hHint;
		//child.invalidateTree( );
		child.validate( );
		
		//dim = getPreferredSize( container, wHint, hHint ).expand( container.getInsets( ).getWidth( ), container.getInsets( ).getHeight( ) );;
		needlayout = false;
	}
	
	Dimension dim = child.getPreferredSize(wHint, hHint ).expand( container.getInsets( ).getWidth( ), container.getInsets( ).getHeight( ) );

	return dim;
}
 

@Override
public IFigure createMain ()
{
    final LayeredPane root = new LayeredPane ();

    final Layer figureLayer = new Layer ();
    figureLayer.setLayoutManager ( new FlowLayout () );

    final ConnectionLayer connectionLayer = new ConnectionLayer ();
    connectionLayer.setAntialias ( SWT.ON );

    final Figure figure = new Figure ();
    figureLayer.add ( figure );

    final GridLayout gridLayout = new GridLayout ( 3, true );
    gridLayout.horizontalSpacing = 50;
    gridLayout.verticalSpacing = 50;
    figure.setLayoutManager ( gridLayout );

    final Figure rpvFigure = createRPV ();
    final Figure pvFigure = createPV ();
    final Figure rmvFigure = createRMV ();
    final Figure mvFigure = createMV ();
    final Figure rvFigure = createRV ();

    figure.add ( rpvFigure, new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 1 ) );
    figure.add ( pvFigure, new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 2 ) );
    figure.add ( rvFigure, new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 3 ) );

    figure.add ( rmvFigure, new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 1 ) );

    figure.add ( mvFigure, new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 1 ) );
    figure.add ( new Figure (), new GridData ( GridData.CENTER, GridData.CENTER, true, true, 1, 1 ) ); // placeholder

    connectionLayer.add ( this.p2rConnection = createConnection ( this.pvRect, this.rvRect ) );
    connectionLayer.add ( this.m2rConnection = createConnection ( this.mvRect, this.rvRect ) );

    connectionLayer.add ( this.rp2pConnection = createConnection ( this.rpvRect, this.pvRect ) );
    connectionLayer.add ( this.rm2pConnection = createConnection ( this.rmvRect, this.pvRect ) );

    root.add ( figureLayer );
    root.add ( connectionLayer );

    return root;
}
 

public SymbolReferenceController ( final SymbolController controller, final SymbolReference symbolReference, final BasicViewElementFactory factory, final ResourceManager manager, final FactoryContext factoryContext )
{
    if ( symbolReference.getZoom () != null )
    {
        this.figure = new org.eclipse.draw2d.ScalableLayeredPane ();
        ( (org.eclipse.draw2d.ScalableLayeredPane)this.figure ).setScale ( symbolReference.getZoom () );
    }
    else
    {
        this.figure = new LayeredPane ();
    }

    final Layer layer = new Layer ();
    layer.setLayoutManager ( new StackLayout () );

    layer.setOpaque ( false );
    this.figure.setOpaque ( false );

    this.figure.add ( layer );

    try
    {
        final SymbolLoader symbolLoader = factory.getRoot ();

        final Map<String, String> properties = new HashMap<String, String> ( convert ( symbolReference.getProperties () ) );
        createProperties ( controller, symbolReference, properties );

        final SymbolController childController = new SymbolController ( controller.getShell (), controller, symbolLoader, properties, controller.getScriptObjects (), factoryContext );

        final Symbol symbol = symbolLoader.loadSymbol ();
        final Controller elementController = factory.create ( childController, symbol.getRoot () );
        final IFigure rootFigure = elementController.getFigure ();
        layer.add ( rootFigure );

        final RGB color = org.eclipse.scada.vi.ui.draw2d.primitives.Helper.makeColor ( symbol.getBackgroundColor () );
        if ( color != null )
        {
            layer.setBackgroundColor ( manager.createColor ( color ) );
        }

        // register the symbol element controller
        controller.addElement ( symbolReference, elementController );
    }
    catch ( final Exception e )
    {
        logger.warn ( "Failed to create symbol", e ); //$NON-NLS-1$
        StatusManager.getManager ().handle ( StatusHelper.convertStatus ( Activator.PLUGIN_ID, e ), StatusManager.LOG );
        layer.add ( Helper.createErrorFigure ( e ) );
    }
}
 

@Override
protected void createLayers(LayeredPane layeredPane) {
	super.createLayers(layeredPane);
	layeredPane.add(new FreeformLayer(), WATERMARK_LAYER);
}
 

public Dimension getMinimumSize( int wHint, int hHint )
{
	getContents( ).invalidate( );
	return ( (LayeredPane) ( (LayeredPane) getContents( ) ).getLayer( LayerConstants.PRINTABLE_LAYERS ) ).getLayer( LayerConstants.PRIMARY_LAYER )
			.getMinimumSize( wHint, hHint );
}