fd4d2918f1
git-svn-id: http://svn.openlayers.org/trunk/openlayers@3787 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/repository-license.txt
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* for the full text of the license. */
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/**
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* @requires OpenLayers/Feature.js
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*
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* Class: OpenLayers.Feature.WFS
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* WFS handling class, for use as a featureClass on the WFS layer for handling
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* 'point' WFS types. Good for subclassing when creating a custom WFS like
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* XML application.
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*
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* Inherits from:
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* - <OpenLayers.Feature>
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*/
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OpenLayers.Feature.WFS = OpenLayers.Class(OpenLayers.Feature, {
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/**
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* Constructor: OpenLayers.Feature.WFS
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* Create a WFS feature.
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*
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* Parameters:
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* layer - {<OpenLayers.Layer>}
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* xmlNode - {XMLNode}
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*/
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initialize: function(layer, xmlNode) {
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var newArguments = arguments;
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var data = this.processXMLNode(xmlNode);
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newArguments = new Array(layer, data.lonlat, data)
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OpenLayers.Feature.prototype.initialize.apply(this, newArguments);
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this.createMarker();
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this.layer.addMarker(this.marker);
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},
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/**
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* Method: destroy
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* nullify references to prevent circular references and memory leaks
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*/
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destroy: function() {
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if (this.marker != null) {
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this.layer.removeMarker(this.marker);
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}
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OpenLayers.Feature.prototype.destroy.apply(this, arguments);
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},
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/**
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* Method: processXMLNode
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* When passed an xmlNode, parses it for a GML point, and passes
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* back an object describing that point.
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*
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* For subclasses of Feature.WFS, this is the feature to change.
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*
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* Parameters:
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* xmlNode - {XMLNode}
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*
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* Return:
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* {Object} Data Object with 'id', 'lonlat', and private properties set
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*/
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processXMLNode: function(xmlNode) {
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//this should be overridden by subclasses
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// must return an Object with 'id' and 'lonlat' values set
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var point = OpenLayers.Ajax.getElementsByTagNameNS(xmlNode, "http://www.opengis.net/gml", "gml", "Point");
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var text = OpenLayers.Util.getXmlNodeValue(OpenLayers.Ajax.getElementsByTagNameNS(point[0], "http://www.opengis.net/gml","gml", "coordinates")[0]);
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var floats = text.split(",");
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return {lonlat: new OpenLayers.LonLat(parseFloat(floats[0]),
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parseFloat(floats[1])),
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id: null};
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},
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CLASS_NAME: "OpenLayers.Feature.WFS"
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});
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