gistfile1.js

/**
 * Method: createFeatureFromItem
 * Return a feature from a GeoRSS Item.
 *
 * Parameters:
 * item - {DOMElement} A GeoRSS item node.
 *
 * Returns:
 * {<OpenLayers.Feature.Vector>} A feature representing the item.
 */
createFeatureFromItem: function(item) {
    var geometry = this.createGeometryFromItem(item);
 
    /* Provide defaults for title and description */
    var title = this.getChildValue(item, "*", "title", this.featureTitle);
   
    /* First try RSS descriptions, then Atom summaries */
    var description = this.getChildValue(
        item, "*", "description",
        this.getChildValue(item, "*", "content",
            this.getChildValue(item, "*", "summary", this.featureDescription)));

    /* If no link URL is found in the first child node, try the
       href attribute */
    var link = this.getChildValue(item, "*", "link");
    if(!link) {
        try {
            link = this.getElementsByTagNameNS(item, "*", "link")[0].getAttribute("href");
        } catch(e) {
            link = null;
        }
    }

    var id = this.getChildValue(item, "*", "id", null);
    
    
    // Everything in this object becomes 'feature.attributes'
    // and URL is not fetched or stored
    var data = {
        "title": title,
        "description": description,
        "link": link
    };
    var feature = new OpenLayers.Feature.Vector(geometry, data);
    feature.fid = id;
    return feature;
},