Base class for layer sources to plug into a gxp.Viewer. A source is created by adding it to the sources object of the viewer. Once there, the viewer will create layers from it by looking at objects in the layers array of its map config option, calling the source’s createLayerRecord method.
Public properties in addition to those listed for Ext.util.Observable.
Boolean Set to true if you don’t want this LayerSource to show up in the AddLayers dialog. Defaults to false.
Boolean. true when the source is ready, but its store hasn’t been loaded yet (i.e. lazy source). Read-only.
String A descriptive title for this layer source.
Public methods in addition to those listed for Ext.util.Observable.
|Parameters:||config – Object The application config for this layer.|
Create a layer record given the config.
Creates a store of layer records. Fires “ready” when store is loaded.
|Parameters:||record – GeoExt.data.LayerRecord|
Create a config object that can be used to recreate the given record.
|Parameters:||layerRecord – GeoExt.data.LayerRecord a record from this source’s store|
|Returns:||OpenLayers.Projection A suitable projection for the layerRecord. If the layer is available in the map projection, the map projection will be returned. Otherwise an equal projection, or null if none is available.|
Get the projection that the source will use for the layer created in createLayerRecord. If the layer is not available in a projection that fits the map projection, null will be returned.
Gets the configured source state.