Files
openlayers/lib/OpenLayers/Strategy.js
2008-08-04 12:25:47 +00:00

74 lines
1.7 KiB
JavaScript
Executable File

/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* Class: OpenLayers.Strategy
* Abstract vector layer strategy class. Not to be instantiated directly. Use
* one of the strategy subclasses instead.
*/
OpenLayers.Strategy = OpenLayers.Class({
/**
* Property: layer
* {<OpenLayers.Layer.Vector>}
*/
layer: null,
/**
* Property: options
* {Object} Any options sent to the constructor.
*/
options: null,
/**
* Constructor: OpenLayers.Strategy
* Abstract class for vector strategies. Create instances of a subclass.
*
* Parameters:
* options - {Object} Optional object whose properties will be set on the
* instance.
*/
initialize: function(options) {
OpenLayers.Util.extend(this, options);
this.options = options;
},
/**
* APIMethod: destroy
* Clean up the strategy.
*/
destroy: function() {
this.deactivate();
this.layer = null;
this.options = null;
},
/**
* Method: setLayer.
*
* Parameters:
* {<OpenLayers.Layer.Vector>}
*/
setLayer: function(layer) {
this.layer = layer;
},
/**
* Method: activate
* Activate the strategy. Register any listeners, do appropriate setup.
*/
activate: function() {
},
/**
* Method: deactivate
* Deactivate the strategy. Unregister any listeners, do appropriate
* tear-down.
*/
deactivate: function() {
},
CLASS_NAME: "OpenLayers.Strategy"
});