Examples of org.locationtech.udig.project.IStyleBlackboard

org.locationtech.udig.project.IStyleBlackboard
Extends the {@link IBlackboard} interface with the concept of "selected" entries.
This concept is added so that multiple styles can be on the blackboard simultaneously but one style will have a stronger weighting than others.

Consider a layer that has WMS and WFS resources. One might want both a SLDStyle on the BB for the WFS but a Named Style for the WMS if the WMS does not support POST SLD. Further one might want the WMS to be used unless editing is taking place. In order to do this the Named Style would be marked as "selected" so that the WMS is prefered over the WFS.
@author Jesse @since 1.1.0

     * @param metrics
     * @return A rating for a given metric.  The lower the rating the better fit the metric is.
     */
    private double rate( InternalRenderMetrics metrics ) {
        ILayer layer = metrics.getRenderContext().getLayer();
        final IStyleBlackboard style = layer.getStyleBlackboard();
        
        //render metrics - 
        //guarenteed to be between 0 & 1 - higher better so we subtract one to get make lower better
        double renderAppearanceMetric = 1 - metrics.getUserAppearanceMetric(style);
        double userAppearanceMetric = 1 - metrics.getRenderAppearanceMetric(style);

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                Coordinate c2 = context.getMap().getViewportModel().pixelToWorld(end.x, end.y);


                Envelope newRegionBounds = new Envelope(c1, c2);


                ILayer processingRegionLayer = OmsBoxPlugin.getDefault().getProcessingRegionMapGraphic();
                IStyleBlackboard blackboard = processingRegionLayer.getStyleBlackboard();
                ProcessingRegionStyle style = (ProcessingRegionStyle) blackboard.get(ProcessingRegionStyleContent.ID);
                if (style == null) {
                    style = ProcessingRegionStyleContent.createDefault();
                }
                ProcessingRegion processinRegion = new ProcessingRegion(style.west, style.east, style.south, style.north,
                        style.rows, style.cols);
                ProcessingRegion newProcessingRegion = ProcessingRegion.adaptActiveRegionToEnvelope(newRegionBounds,
                        processinRegion);


                style.north = newProcessingRegion.getNorth();
                style.south = newProcessingRegion.getSouth();
                style.east = newProcessingRegion.getEast();
                style.west = newProcessingRegion.getWest();
                style.rows = newProcessingRegion.getRows();
                style.cols = newProcessingRegion.getCols();


                blackboard.put(ProcessingRegionStyleContent.ID, style);


                processingRegionLayer.refresh(null);


                newRegionBounds = newProcessingRegion.getEnvelope();
                sendSelectionCommand(e, newRegionBounds);

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    @Override
    public ReferencedEnvelope getExtent() {
        ILayer processingRegionLayer = OmsBoxPlugin.getDefault().getProcessingRegionMapGraphic();
        if (processingRegionLayer != null) {
            IStyleBlackboard blackboard = processingRegionLayer.getStyleBlackboard();
            ProcessingRegionStyle style = (ProcessingRegionStyle) blackboard.get(ProcessingRegionStyleContent.ID);
            if (style == null) {
                style = ProcessingRegionStyleContent.createDefault();
            }
            ProcessingRegion processinRegion = new ProcessingRegion(style.west, style.east, style.south, style.north, style.rows,
                    style.cols);

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                    FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2( GeoTools.getDefaultHints() );
                    Filter cut= ff.not( ff.within( ff.property( targetGeomName ), ff.literal(hole) ) );
                    
                    //put it on style blackboard
                    //Key:  ProjectBlackboardConstants    String LAYER__DATA_QUERY = "org.locationtech.udig.project.view"; //$NON-NLS-1$
                    IStyleBlackboard styleBlackboard = layer.getStyleBlackboard();
                    styleBlackboard.put(ProjectBlackboardConstants.LAYER__DATA_QUERY, cut);
                }
            }


            public Command copy() {
                return this;

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     * @param metrics
     * @return A rating for a given metric. The lower the rating the better fit the metric is.
     */
    private double rate( AbstractRenderMetrics metrics ) {
        ILayer layer = metrics.getRenderContext().getLayer();
        final IStyleBlackboard style = layer.getStyleBlackboard();


        // render metrics -
        // guarenteed to be between 0 & 1 - higher better so we subtract one to get make lower
        // better
        double renderAppearanceMetric = 1 - metrics.getUserAppearanceMetric(style);

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        }


        Dimension screen = context.getMapDisplay().getDisplaySize();


        // get the active region
        IStyleBlackboard blackboard = context.getLayer().getStyleBlackboard();
        ProcessingRegionStyle style = (ProcessingRegionStyle) blackboard.get(ProcessingRegionStyleContent.ID);
        if (style == null) {
            style = ProcessingRegionStyleContent.createDefault();
            blackboard.put(ProcessingRegionStyleContent.ID, style);
        }


        Coordinate ul = new Coordinate(style.west, style.north);
        Coordinate ur = new Coordinate(style.east, style.north);
        Coordinate ll = new Coordinate(style.west, style.south);

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        }


    }


    private Rectangle getGraphicLocation( MapGraphicContext context ) {
        IStyleBlackboard styleBlackboard = context.getLayer().getStyleBlackboard();
        Rectangle location = (Rectangle) styleBlackboard.get(
                LocationStyleContent.ID);
        if (location == null) {
            location = LocationStyleContent.createDefaultStyle();
            styleBlackboard.put(LocationStyleContent.ID, location);
        }
        return location;
    }

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        }
        return location;
    }


    private FontStyle getFontStyle( MapGraphicContext context ) {
        IStyleBlackboard styleBlackboard = context.getLayer().getStyleBlackboard();
        FontStyle style = (FontStyle) styleBlackboard.get(FontStyleContent.ID);
        if (style == null) {
            style = new FontStyle();
            styleBlackboard.put(FontStyleContent.ID, style);
        }
        return style;
    }

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        }
        return style;
    }


    private BarStyle getBarStyle( MapGraphicContext context ) {
        IStyleBlackboard styleBlackboard = context.getLayer().getStyleBlackboard();
        BarStyle style = (BarStyle) styleBlackboard.get(BarStyleContent.ID);
        if (style == null) {
            style = new BarStyle();
            styleBlackboard.put(BarStyleContent.ID, style);
        }
        return style;


    }

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     * 
     * @param layer {@link ILayer}
     * @return {@link FontStyle}
     */
    public static FontStyle getFontStyle(MapGraphicContext context) {
        IStyleBlackboard styleBlackboard = context.getLayer().getStyleBlackboard();
        FontStyle style = (FontStyle) styleBlackboard.get(FontStyleContent.ID);
        if (style == null) {
            style = new FontStyle();
            styleBlackboard.put(FontStyleContent.ID, style);
        }
        return style;
    }

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org.locationtech.udig.mapgraphic.graticule.GraticuleStyle

org.locationtech.udig.mapgraphic.scalebar.ScalebarMapGraphic

org.locationtech.udig.omsbox.processingregion.ProcessingRegionAOIStrategy

org.locationtech.udig.omsbox.processingregion.ProcessingRegionBBoxSelection

org.locationtech.udig.omsbox.processingregion.ProcessingRegionMapGraphic

org.locationtech.udig.omsbox.view.widgets.GuiTextField

org.locationtech.udig.project.internal.render.impl.AbstractRenderMetricsSorter

org.locationtech.udig.project.internal.render.impl.RenderMetricsSorter

org.locationtech.udig.project.ui.operations.MakeHole

org.locationtech.udig.tool.info.tests.WMSLayer

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