| /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for | |
| * full list of contributors). Published under the Clear BSD license. | |
| * See http://svn.openlayers.org/trunk/openlayers/license.txt for the | |
| * full text of the license. */ | |
| /** | |
| * @requires OpenLayers/Feature.js | |
| */ | |
| /** | |
| * Class: OpenLayers.Feature.WFS | |
| * WFS handling class, for use as a featureClass on the WFS layer for handling | |
| * 'point' WFS types. Good for subclassing when creating a custom WFS like | |
| * XML application. | |
| * | |
| * Inherits from: | |
| * - <OpenLayers.Feature> | |
| */ | |
| OpenLayers.Feature.WFS = OpenLayers.Class(OpenLayers.Feature, { | |
| /** | |
| * Constructor: OpenLayers.Feature.WFS | |
| * Create a WFS feature. | |
| * | |
| * Parameters: | |
| * layer - {<OpenLayers.Layer>} | |
| * xmlNode - {XMLNode} | |
| */ | |
| initialize: function(layer, xmlNode) { | |
| var newArguments = arguments; | |
| var data = this.processXMLNode(xmlNode); | |
| newArguments = new Array(layer, data.lonlat, data); | |
| OpenLayers.Feature.prototype.initialize.apply(this, newArguments); | |
| this.createMarker(); | |
| this.layer.addMarker(this.marker); | |
| }, | |
| /** | |
| * Method: destroy | |
| * nullify references to prevent circular references and memory leaks | |
| */ | |
| destroy: function() { | |
| if (this.marker != null) { | |
| this.layer.removeMarker(this.marker); | |
| } | |
| OpenLayers.Feature.prototype.destroy.apply(this, arguments); | |
| }, | |
| /** | |
| * Method: processXMLNode | |
| * When passed an xmlNode, parses it for a GML point, and passes | |
| * back an object describing that point. | |
| * | |
| * For subclasses of Feature.WFS, this is the feature to change. | |
| * | |
| * Parameters: | |
| * xmlNode - {XMLNode} | |
| * | |
| * Returns: | |
| * {Object} Data Object with 'id', 'lonlat', and private properties set | |
| */ | |
| processXMLNode: function(xmlNode) { | |
| //this should be overridden by subclasses | |
| // must return an Object with 'id' and 'lonlat' values set | |
| var point = OpenLayers.Ajax.getElementsByTagNameNS(xmlNode, "http://www.opengis.net/gml", "gml", "Point"); | |
| var text = OpenLayers.Util.getXmlNodeValue(OpenLayers.Ajax.getElementsByTagNameNS(point[0], "http://www.opengis.net/gml","gml", "coordinates")[0]); | |
| var floats = text.split(","); | |
| return {lonlat: new OpenLayers.LonLat(parseFloat(floats[0]), | |
| parseFloat(floats[1])), | |
| id: null}; | |
| }, | |
| CLASS_NAME: "OpenLayers.Feature.WFS" | |
| }); | |