GeoExt.data.LayerStore

Extends

• Ext.data.Store

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
});

Config Options

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

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

LayerStore.map

OpenLayers.Map Map that the store is synchronized with, if any.