`GeoExt.data.LayerStore`¶

Extends

class GeoExt.data.LayerStore¶: A store that contains a cache of GeoExt.data.LayerRecord objects.

Example Use¶

Sample to create a new store containing a cache of GeoExt.data.LayerRecord instances derived from map layers.

var store = new GeoExt.data.LayerStore({
    map: myMap,
    layers: myLayers
});

Configuration properties in addition to those listed for Ext.data.Store.

fields: Array If provided a custom layer record type with additional fields will be used. Default fields for every layer record are layer (OpenLayers.Layer) title (String). The value of this option is either a field definition objects as passed to the GeoExt.data.LayerRecord.create() function or a GeoExt.data.LayerRecord constructor created using GeoExt.data.LayerRecord.create().

initDir: Number Bitfields specifying the direction to use for the initial sync between the map and the store, if set to 0 then no initial sync is done. Defaults to GeoExt.data.LayerStore.MAP_TO_STORE|GeoExt.data.LayerStore.STORE_TO_MAP

layers: Array(OpenLayers.Layer) Layers that will be added to the store (and the map, depending on the value of the initDir option.

map: OpenLayers.Map Map that this store will be in sync with. If not provided, the store will not be bound to a map.

reader: Ext.data.DataReader The reader used to produce GeoExt.data.LayerRecord objects from OpenLayers.Layer objects. If not provided, a GeoExt.data.LayerReader will be used.

Public properties in addition to those listed for Ext.data.Store.

LayerStore.map¶: OpenLayers.Map Map that the store is synchronized with, if any.

Public methods in addition to those listed for Ext.data.Store.

LayerStore.getByLayer()¶

Parameter:	layer – `OpenLayers.Layer`
Returns:	`GeoExt.data.LayerRecord` or undefined if not found

Get the record for the specified layer

Events in addition to those listed for Ext.data.Store.

bind

Fires when the store is bound to a map.

Listener arguments: * GeoExt.data.LayerStore * OpenLayers.Map