Metacat

 /*

License: LGPL as per: http://www.gnu.org/copyleft/lesser.html

$Id: StyledLayerDescriptor.js 3947 2008-03-27 18:13:25Z ahocevar $

*/

// Ensure this object's dependancies are loaded.

mapbuilder.loadScript(baseDir+"/model/ModelBase.js");

/**

 * Stores a SLD file  as defined by the

 * Open Geospatial Consortium (http://www.opengeospatial.org/).

 *

 * @constructor

 * @base ModelBase

 * @author Olivier Terral

 * @requires Sarissa

 * @param modelNode The model's XML object node from the configuration document.

 * @param parent    The parent model for the object.

 */

function StyledLayerDescriptor(modelNode, parent) {

  // Inherit the ModelBase functions and parameters

  ModelBase.apply(this, new Array(modelNode, parent));

  this.sld = null;

  this.namespace = "xmlns:sld='http://www.opengis.net/sld' xmlns:mb='http://mapbuilder.sourceforge.net/mapbuilder' xmlns:wmc='http://www.opengis.net/context' xmlns:wms='http://www.opengis.net/wms' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' xmlns:ogc='http://www.opengis.net/ogc' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:wfs='http://www.opengis.net/wfs'";

  this.sldXPath = this.getProperty("mb:sldXPath", "/sld:StyledLayerDescriptor");

  this.getSldNode=function() {

  	return this.doc.selectSingleNode(this.sldXPath);

  }

  /**

   * loads the sld into an OpenLayers hash representing the sld.

   * @param objRef reference to this model.

   */

  this.loadSLD = function(objRef) {

    var format = new OpenLayers.Format.SLD();

    var sldNode = objRef.doc.selectSingleNode(objRef.sldXPath);

    objRef.sld = format.read(new XMLSerializer().serializeToString(sldNode));

  }

  this.addFirstListener("loadModel", this.loadSLD, this);

}