GeoExt.data.FeatureStore

Extends

• Ext.data.Store

class GeoExt.data.FeatureStore

A store containing GeoExt.data.FeatureRecord entries that optionally synchronizes with an OpenLayers.Layer.Vector.

Example Use

Sample code to create a store with features from a vector layer:

var store = new GeoExt.data.FeatureStore({
    layer: myLayer,
    features: myFeatures
});

Config Options

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

featureFilter

OpenLayers.Filter This filter is evaluated before a feature record is added to the store.

features

Array(OpenLayers.Feature.Vector) Features that will be added to the store (and the layer if provided).

initDir

Number Bitfields specifying the direction to use for the initial sync between the layer and the store, if set to 0 then no initial sync is done. Default is GeoExt.data.FeatureStore.LAYER_TO_STORE|GeoExt.data.FeatureStore.STORE_TO_LAYER.

layer

OpenLayers.Layer.Vector Layer to synchronize the store with.

reader

Ext.data.DataReader The reader used to produce records from objects features. Default is GeoExt.data.FeatureReader.

Public Methods

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

FeatureStore.bind()

Parameter:layer – OpenLayers.Layer Layer that the store should be synchronized with.

Bind this store to a layer instance, once bound the store is synchronized with the layer and vice-versa.

FeatureStore.getRecordFromFeature()

Parameter:feature – OpenLayers.Vector.Feature Returns:GeoExt.data.FeatureRecord The record corresponding to the given feature. Returns null if no record matches.

Get the record corresponding to a feature.

FeatureStore.unbind()

Unbind this store from the layer it is currently bound.