More trip planner testing with colors
[busui.git] / labs / openlayers / lib / OpenLayers / Feature / WFS.js
blob:a/labs/openlayers/lib/OpenLayers/Feature/WFS.js -> blob:b/labs/openlayers/lib/OpenLayers/Feature/WFS.js
--- a/labs/openlayers/lib/OpenLayers/Feature/WFS.js
+++ b/labs/openlayers/lib/OpenLayers/Feature/WFS.js
@@ -1,1 +1,81 @@
+/* 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"
+});
+  
+  
+  
+  
+
+