Examples of org.locationtech.udig.project.IBlackboard

org.locationtech.udig.project.IBlackboard
Provide Temporary for shared collaboration between renderers and the user.
To emphais the tempoary nature we are not storing objects at this time, please see StyleBlackboard for the direction we wish to take this class. API should this interface be included?
Q: Should this class be cloneable? API explain the use of 'keys' and any uniqueness constraints (Set or List?) API X getX(key) ... should this be X get(key) and let the compiler firgure out which one to call based on the signature? API moreover, you might want to consider on 'Objects' and the use of in the API, using generics to avoid multiple get and put methods. API looks alot like a Map ... either document a comparison or add an extends clause? @author Jody Garnett @since 0.7.0

    }


    private void checkStyle() {
        IMap activeMap = ApplicationGIS.getActiveMap();


        IBlackboard styleBlackboard = activeMap.getBlackboard();
        if (style == null) {
            style = (RasterLegendStyle) styleBlackboard.get(RasterLegendStyleContent.ID);
        }
        if (style == null) {
            style = RasterLegendStyleContent.createDefault();
            styleBlackboard.put(RasterLegendStyleContent.ID, style);
            // styleBlackboard.setSelected(new String[]{RasterLegendStyleContent.ID});
        }
    }

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        updateBlackboard();
    }


    private void updateBlackboard() {
        IMap activeMap = ApplicationGIS.getActiveMap();
        IBlackboard styleBlackboard = activeMap.getBlackboard();
        style = (RasterLegendStyle) styleBlackboard.get(RasterLegendStyleContent.ID);


        if (style == null) {
            style = RasterLegendStyleContent.createDefault();
            styleBlackboard.put(RasterLegendStyleContent.ID, style);
            // styleBlackboard.setSelected(new String[]{RasterLegendStyleContent.ID});
        }


        RGB bg = backgroundColour.getColorValue();
        try {
            int bAlpha = Integer.parseInt(backgroundAlphaText.getText());
            style.backgroundColor = new Color(bg.red, bg.green, bg.blue, bAlpha);
        } catch (Exception e) {
            style.backgroundColor = new Color(bg.red, bg.green, bg.blue);
        }
        bg = foregroundColor.getColorValue();
        try {
            int fAlpha = Integer.parseInt(forgroundAlphaText.getText());
            style.foregroundColor = new Color(bg.red, bg.green, bg.blue, fAlpha);
        } catch (Exception e) {
            style.foregroundColor = new Color(bg.red, bg.green, bg.blue);
        }
        bg = fontColour.getColorValue();
        style.fontColor = new Color(bg.red, bg.green, bg.blue);


        style.titleString = titleText.getText();
        style.xPos = Integer.parseInt(xposText.getText());
        style.yPos = Integer.parseInt(yposText.getText());
        style.legendHeight = Integer.parseInt(legHeightText.getText());
        style.legendWidth = Integer.parseInt(legWidthText.getText());
        style.boxWidth = Integer.parseInt(boxWidthText.getText());
        style.isRoundedRectangle = isroundedButton.getSelection();


        styleBlackboard.put(RasterLegendStyleContent.ID, style);
    }

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        if (configBean.getWidth() <= 0) throw new IllegalArgumentException("ScaleDenomMapGraphicBean width must be a positive number"); //$NON-NLS-1$
        if (configBean.getHeight() <= 0) throw new IllegalArgumentException("ScaleDenomMapGraphicBean height must be a positive number"); //$NON-NLS-1$
        if (configBean.getLabel() == null) throw new NullPointerException("ScaleDenomMapGraphicBean label must not be null"); //$NON-NLS-1$
        
        ViewportGraphics g = context.getGraphics();
        IBlackboard mapblackboard = context.getMap().getBlackboard();
        
        double scaleDenom = context.getViewportModel().getScaleDenominator();
        
        Object value = mapblackboard.get("scale"); // scale may be set by printing engine        
        if( value != null && value instanceof Double ){
            scaleDenom = ((Double)value).doubleValue();
        }
        
        if (configBean.getBackgroundColor() != null) {

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  }
  
  /** Replace w/ lookup to style black board when the time comes */
  private Point start(MapGraphicContext context) {
    Point point = null;    
    IBlackboard style = context.getLayer().getStyleBlackboard();
    try {
      point = (Point) style.get( NorthArrowTool.STYLE_BLACKBOARD_KEY );
    }
    catch( Exception evil ){
      evil.printStackTrace();
    }
    if( point == null ){ // default!
      point = new Point( 25,25 );
      style.put(NorthArrowTool.STYLE_BLACKBOARD_KEY, point );
    }
    return point;
  }

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    @Override
    public void mouseReleased( MapMouseEvent e ) {
      command.setValid( false );
      getContext().getViewportPane().repaint();


      IBlackboard styleBlackboard = getContext().getSelectedLayer().getStyleBlackboard();
      
      styleBlackboard.put( STYLE_BLACKBOARD_KEY, e.getPoint() );
      getContext().getSelectedLayer().refresh( null );
    }

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        /* For non-printing we will have a layer and can 
         * used the cached image on the layer.  
         */
        List<IOException> exceptions = new ArrayList<IOException>();
        ILayer layer = context.getLayer();
        IBlackboard blackboard = layer.getBlackboard();
        BlackboardItem cached = (BlackboardItem) blackboard.get(BLACKBOARD_IMAGE_KEY);
        if (cached != null){
            if (!cached.layersEqual(getContext().getLayers())){
                cached = null;
            }
        }

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    }


    @Override
    protected void refresh() {
        try {
            IBlackboard blackboard = getLayer().getMap().getBlackboard();


            style = (ActiveRegionStyle) blackboard.get(ActiveregionStyleContent.ID);


            if (style == null) {
                style = ActiveregionStyleContent.createDefault();
                blackboard.put(ActiveregionStyleContent.ID, style);
                // ((StyleBlackboard) styleBlackboard).setSelected(new
                // String[]{ActiveregionStyleContent.ID});
            }


            // first time choose the mapset

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    @SuppressWarnings("unchecked")
    private Node findClosest( Coordinate coord ) {
        Node closest = null;
        double minDist = 0.0;


        IBlackboard mapboard = context.getMap().getBlackboard();
        if ( !mapboard.contains( "graph" ) ) {
            return null;
        }
        Graph graph = (Graph) mapboard.get( "graph" );
        Collection<Node> nodes = (Collection<Node>) graph.getNodes();
        for ( Node node : nodes ) {
            Point p = (Point ) node.getObject();
            double d = getDist( coord, p );
            if ( closest == null || d < minDist ) {

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    public void onMousePressed( MapMouseEvent e ) {
        Coordinate clickPt = getContext().pixelToWorld( e.x, e.y );
        final Node n = findClosest( clickPt );
        if ( n != null ) {
            IBlackboard mapboard = context.getMap().getBlackboard();
            if ( !mapboard.contains( "waypoints" ) ) {
                mapboard.put( "waypoints", new ArrayList<Node>() );
            }
            ArrayList<Node> list = (ArrayList<Node> ) mapboard.get( "waypoints" );
            list.add( n );
            final int len = list.size();


            getContext().getSelectedLayer().refresh( null );

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    public GraphMapGraphic() {
    }


    public void draw( MapGraphicContext context ) {
        IBlackboard mapboard = context.getMap().getBlackboard();
        if( !mapboard.contains("graph")){
            return;
        }
        List<Node> waypoints = (List<Node>) mapboard.get("waypoints");
        if( waypoints == null ){
            waypoints = Collections.emptyList();
        }
        List<Edge> path = (List<Edge>) mapboard.get("path");
        if( path == null ){
            path = Collections.emptyList();
        }        
        Graph graph = (Graph) mapboard.get("graph");
        ViewportGraphics graphics = context.getGraphics();
        graphics.setColor( Color.LIGHT_GRAY );
        Collection<Node> nodes = graph.getNodes();
        for( Node node : nodes ){
            if( waypoints.contains(node)){

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Related Classes of org.locationtech.udig.project.IBlackboard

org.locationtech.udig.catalog.jgrass.activeregion.ActiveRegionBBoxSelection

org.locationtech.udig.catalog.jgrass.activeregion.ActiveregionGraphicStyleConfigurator

org.locationtech.udig.catalog.jgrass.activeregion.ActiveRegionMapGraphic

org.locationtech.udig.catalog.jgrass.operations.SetActiveRegionToMapsAction

org.locationtech.udig.graph.internal.FindPathOp

org.locationtech.udig.graph.internal.GraphMapGraphic

org.locationtech.udig.graph.internal.LineGraphOp

org.locationtech.udig.graph.internal.PathMapGraphic

org.locationtech.udig.graph.internal.WayPointTool

org.locationtech.udig.legend.ui.LegendGraphic

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