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Java Source Code / Java Documentation » GIS » udig 1.1 » net.refractions.udig.project

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Class Diagram

Java Document (Java Doc)

net.refractions.udig.project .ProjectBlackboardConstants

ProjectBlackboardConstants
public interface ProjectBlackboardConstants (Code)
	Lists the keys of common items that are put on the Map blackboard and the Layer blackboard author: Jesse since: 1.1.0

Field Summary
String	LAYER__DATA_QUERY If a filter or a query is on a layer's blackboard under the key: the ProjectBlackboardConstants.LAYER__DATA_QUERY then the interceptor ShowViewInterceptor will return the "view" see DataStore.getView(Query) .
String	LAYER__EDIT_APPLICABILITY Key to indicate a layer may be edited.
String	LAYER__LAST_RESORT_RENDERER Provides a way to influence the choice of renderers.
String	LAYER__PREFERRED_RENDERER Provides a way to influence the choice of renderers.
String	MAP__BACKGROUND_COLOR The key to the map's background color on the blackboard.
String	MAP__DATA_QUERY If a filter or a query is on the map blackboard under the key: the ProjectBlackboardConstants.MAP__DATA_QUERY then the interceptor ShowViewInterceptor will return the "view" see DataStore.getView(Query) .
String	MAP__LAST_RESORT_RENDERER Provides a way to influence the choice of renderers.
String	MAP__PREFERRED_RENDERER Provides a way to influence the choice of renderers.
String	MAP__RENDERING_FILTER Any filter in this entry will be used to filter out features from the rendering.

Field Detail

LAYER__DATA_QUERY

String LAYER__DATA_QUERY(Code)

If a filter or a query is on a layer's blackboard under the key: the ProjectBlackboardConstants.LAYER__DATA_QUERY then the interceptor ShowViewInterceptor will return the "view" see DataStore.getView(Query) . In addition Renderers should attempt to use the query to filter what is displayed.

If a filter is in the layer blackboard then the filter will only apply to that layer.

If a query is in the Layer blackboard then it will be applied to the layer only if the type name is correct

If there is a filter or query on both the Map blackboard and the layer blackboard then the item on the layer blackboard will take precedence.

See Also: ProjectBlackboardConstants.MAP__DATA_QUERY

LAYER__EDIT_APPLICABILITY
String LAYER__EDIT_APPLICABILITY(Code)
	Key to indicate a layer may be edited. See Also: UDIGFeatureStore

LAYER__LAST_RESORT_RENDERER

String LAYER__LAST_RESORT_RENDERER(Code)

Provides a way to influence the choice of renderers. The value of a blackboard entry must a string which is the id of the Renderer as declared in the Extension definition. For example "BasicFeatureRenderer".

If an entry is on a Layer's blackboard with this key then that renderer will be negatively weighted compared to other renderers.

IMPORTANT: don't forget to append the plugin ID to the id entered into the id field.

See Also: ProjectBlackboardConstants.MAP__LAST_RESORT_RENDERER
See Also: ProjectBlackboardConstants.LAYER__PREFERRED_RENDERER

LAYER__PREFERRED_RENDERER

String LAYER__PREFERRED_RENDERER(Code)

If an entry is on a Layer's blackboard with this key then that renderer will be preferred over other renderers.

IMPORTANT: don't forget to append the plugin ID to the id entered into the id field.

See Also: ProjectBlackboardConstants.MAP__PREFERRED_RENDERER
See Also: ProjectBlackboardConstants.LAYER__LAST_RESORT_RENDERER

MAP__BACKGROUND_COLOR
String MAP__BACKGROUND_COLOR(Code)
	The key to the map's background color on the blackboard.

MAP__DATA_QUERY

String MAP__DATA_QUERY(Code)

If a filter or a query is on the map blackboard under the key: the ProjectBlackboardConstants.MAP__DATA_QUERY then the interceptor ShowViewInterceptor will return the "view" see DataStore.getView(Query) . In addition Renderers should attempt to use the query to filter what is displayed.

If a filter is on the map blackboard then it will apply to all layers.

If a query is on the Map blackboard then it will be applied only those layers who's typename is the same as that in the query.

If there is a filter or query on both the Map blackboard and the layer blackboard then the item on the layer blackboard will take precedence.

See Also: ProjectBlackboardConstants.LAYER__DATA_QUERY

MAP__LAST_RESORT_RENDERER

String MAP__LAST_RESORT_RENDERER(Code)

If an entry is on the Map's blackboard with this key then that renderer will be negatively weighted compared to other renderers.

IMPORTANT: don't forget to append the plugin ID to the id entered into the id field.

See Also: ProjectBlackboardConstants.LAYER__LAST_RESORT_RENDERER
See Also: ProjectBlackboardConstants.MAP__PREFERRED_RENDERER

MAP__PREFERRED_RENDERER

String MAP__PREFERRED_RENDERER(Code)

If an entry is on the Map's blackboard with this key then that renderer will be preferred over other renderers unless there is also an entry on a layer. In that case the layer's renderer still has precidence.

IMPORTANT: don't forget to append the plugin ID to the id entered into the id field.

See Also: ProjectBlackboardConstants.LAYER__PREFERRED_RENDERER
See Also: ProjectBlackboardConstants.MAP__LAST_RESORT_RENDERER

MAP__RENDERING_FILTER
String MAP__RENDERING_FILTER(Code)
	Any filter in this entry will be used to filter out features from the rendering. For example if a fid filter is here that feature WILL NOT be rendered.

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