Examples of org.geotools.map.MapContent$LayerList

org.geotools.map.MapContent
Stores the contents of a map for display, including a list of layers, a {@linkplain MapViewport} defining the device and world bounds of displayarea, and optional user data.
Methods are provided to add, remove and reorder layers. Alternatively, the list of layers can be accessed directly with the {@linkplain #layers()}. For example:
```
 mapContent.layers().add( newLayer ); 
```
Operations on the list returned by the {@code} layersmethod are guaranteed to be thread safe, and modifying the list contents will result in {@code MapLayerListEvents}being published.
Note: This object is similar to early drafts of the OGC Open Web Service Context specification. @author Jody Garnett @since 2.7 @source $URL$ @version $Id$

    }


    @Test(expected=UnsupportedOperationException.class)
    public void removeLayerThrowsException() {
        Layer layer = new MockLayer(WORLD);
        MapContent mc = new SingleLayerMapContent(layer);


        mc.removeLayer(layer);
    }

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            public void dispose() {
                layerDisposed[0] = true;
            }
        };
        
        MapContent mc = new SingleLayerMapContent(layer);
        mc.dispose();
        assertFalse(layerDisposed[0]);
    }

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        assertTrue(executor instanceof DefaultRenderingExecutor);
    }
    
    @Test
    public void settingRendererLinksToMapContent() {
        MapContent mapContent = new MapContent();
        mapPane.setMapContent(mapContent);
        
        GTRenderer renderer = new MockRenderer();
        mapPane.setRenderer(renderer);

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    @Test
    public void settingMapContentLinksToRenderer() {
        GTRenderer renderer = new MockRenderer();
        mapPane.setRenderer(renderer);
        
        MapContent mapContent = new MapContent();
        mapPane.setMapContent(mapContent);
        
        assertTrue(renderer.getMapContent() == mapContent);
    }

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    @Test
    public void setMapContentFiresEvent() {
        listener.setExpected(MapPaneEvent.Type.NEW_MAPCONTENT);
        
        MapContent mapContent = new MapContent();
        mapPane.setMapContent(mapContent);
        
        assertTrue(listener.await(MapPaneEvent.Type.NEW_MAPCONTENT, WAIT_TIMEOUT));
        
        MapPaneEvent event = listener.getEvent(MapPaneEvent.Type.NEW_MAPCONTENT);

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        assertTrue(o == mapContent);
    }
    
    @Test
    public void setDisplayArea_WithMapContentSet() {
        MapContent mapContent = new MapContent();
        mapPane.setMapContent(mapContent);
        mapPane.setDisplayArea(WORLD);
        assertDisplayArea(WORLD, mapPane.getDisplayArea());
    }

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        assertTrue(mapPane.getDisplayArea().isEmpty());
    }
    
    @Test
    public void setDisplayAreaFiresEvent_WithMapContent() {
        mapPane.setMapContent(new MapContent());
        listener.setExpected(MapPaneEvent.Type.DISPLAY_AREA_CHANGED);
        
        mapPane.setDisplayArea(WORLD);
        assertTrue(listener.await(MapPaneEvent.Type.DISPLAY_AREA_CHANGED, WAIT_TIMEOUT));
    }

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        assertTrue(WORLD.boundsEquals2D(eventEnv, TOL));
    }
    
    @Test
    public void displayAreaIsSetFromMapContent() {
        MapContent mapContent = createMapContent(WORLD);
        mapPane.setMapContent(mapContent);
        
        // Since no screen area has been set the map pane's bounds should
        // be equal to the feature collection bounds
        assertTrue(WORLD.boundsEquals2D(mapPane.getDisplayArea(), TOL));

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        assertTrue(WORLD.boundsEquals2D(mapPane.getDisplayArea(), TOL));
    }
    
    @Test
    public void addingLayerBeyondCurrentBoundsDoesNotChangeDisplayArea() {
        MapContent mapContent = createMapContent(SMALL_WORLD);
        mapPane.setMapContent(mapContent);


        // add larger layer and check that display area is unchanged
        mapContent.addLayer(createLayer(WORLD));
        assertTrue(SMALL_WORLD.boundsEquals2D(mapPane.getDisplayArea(), TOL));
    }

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        mapPane.reset();
    }
    
    @Test
    public void resetAfterRemovingAllLayersIsIgnored() {
        MapContent mapContent = createMapContent(WORLD);
        mapPane.setMapContent(mapContent);
        mapContent.removeLayer(mapContent.layers().get(0));


        // just checking no exception is thrown
        mapPane.reset();
    }

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