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/*
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: OwsContext.js 3887 2008-02-27 18:18:53Z ahocevar $
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*/
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// Ensure this object's dependancies are loaded.
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mapbuilder.loadScript(baseDir+"/model/ModelBase.js");
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/**
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* Stores an OWS Context document as defined by the OGC interoperability
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* experiment. This model should be eventually merged with the standard OGC
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* context doc.
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* Listeners supported by this model:
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* "refresh" called when window parameters (width/height, bbox) are changed
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* "hidden" called when visibilty of a layer is changed
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* "wfs_getFeature" called when feature resources are loaded
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*
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* @constructor
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* @base ModelBase
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* @author Mike Adair
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* @requires Sarissa
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*
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*/
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function OwsContext(modelNode, parent) {
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// Inherit the ModelBase functions and parameters
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ModelBase.apply(this, new Array(modelNode, parent));
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// MAP-186
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this.namespace = this.namespace ? this.namespace.replace(/\"/g, "'")+" " : '';
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this.namespace = this.namespace + "xmlns:wmc='http://www.opengis.net/context' xmlns:ows='http://www.opengis.net/ows' xmlns:ogc='http://www.opengis.net/ogc' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:gml='http://www.opengis.net/gml' xmlns:wfs='http://www.opengis.net/wfs' xmlns:sld='http://www.opengis.net/sld'";
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/**
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* Change a Layer's visibility.
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* @param layerId The name of the layer that is to be changed
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* @param hidden String with the value to be set; 1=hidden, 0=visible.
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*/
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this.setHidden=function(layerId, hidden){
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// Set the hidden attribute in the Context
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var hiddenValue = "0";
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if (hidden) hiddenValue = "1";
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var layer=this.getLayer(layerId);
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if (layer) layer.setAttribute("hidden", hiddenValue);
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// Call the listeners
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this.callListeners("hidden", layerId);
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}
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/**
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* Get the layer's visiblity attribute value.
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* @param layerId The name of the layer that is to be changed
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* @return hidden String with the value; 1=hidden, 0=visible.
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*/
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this.getHidden=function(layerId){
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var hidden=1;
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var layer=this.getFeatureNode(layerId)
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if (layer) hidden = layer.getAttribute("hidden");
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return hidden;
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}
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/**
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* Get the BoundingBox value from the Context document.
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* @return BoundingBox array with the sequence (xmin,ymin,xmax,ymax).
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*/
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this.getBoundingBox=function() {
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var bbox = new Array();
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// Extract BoundingBox from the context
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var lowerLeft=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner");
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var upperRight=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner");
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var strBbox = new String(getNodeValue(lowerLeft) + " " + getNodeValue(upperRight)).split(" ");
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for (i=0; i<strBbox.length; ++i) {
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bbox[i] = parseFloat(strBbox[i]);
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}
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return bbox;
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}
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/**
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* Set the BoundingBox element and call the refresh listeners
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* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/
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this.setBoundingBox=function(boundingBox) {
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// Set BoundingBox in context
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var lowerLeft=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner");
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lowerLeft.firstChild.nodeValue = boundingBox[0] + " " + boundingBox[1];
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var upperRight=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner");
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upperRight.firstChild.nodeValue = boundingBox[2] + " " + boundingBox[3];
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// Call the listeners
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this.callListeners("bbox", boundingBox);
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}
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/**
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* Set the BoundingBox element and call the refresh listeners
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* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/
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this.initBbox=function(objRef) {
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// Set BoundingBox in context from URL CGI params
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if (window.cgiArgs["bbox"]) { //set as minx,miny,maxx,maxy
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var bbox = window.cgiArgs["bbox"].split(',');
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objRef.setBoundingBox(bbox);
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}
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}
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this.addListener( "loadModel", this.initBbox, this );
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//this.addListener( "contextLoaded", this.initBbox, this );
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/**
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* Set the aoi param and call the refresh listeners
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* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/
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this.initAoi=function(objRef) {
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// Set AOI of context from URL CGI params
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if (window.cgiArgs["aoi"]) { //set as ul,lr point arrays
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var aoi = window.cgiArgs["aoi"].split(',');
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objRef.setParam("aoi",new Array(new Array(aoi[0],aoi[3]),new Array(aoi[2],aoi[1])));
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}
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}
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this.addListener( "loadModel", this.initAoi, this );
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//MA this.addListener( "contextLoaded", this.initAoi, this );
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/**
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* Set the Spatial Reference System for the context document.
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* @param srs The Spatial Reference System.
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*/
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this.setSRS=function(srs) {
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var bbox=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox");
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bbox.setAttribute("crs",srs);
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this.callListeners("srs");
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}
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/**
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* Get the Spatial Reference System from the context document.
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* @return srs The Spatial Reference System.
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*/
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this.getSRS=function() {
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var bbox=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox");
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srs=bbox.getAttribute("crs");
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srs = srs ? srs : 'EPSG:4326';
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return srs;
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}
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/**
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* Get the Projection object from the context document.
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* @return Proj Object of The Spatial Reference System.
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*/
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this.initProj=function(objRef) {
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objRef.proj=new OpenLayers.Projection(objRef.getSRS());
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}
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this.addFirstListener( "loadModel", this.initProj, this );
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/**
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* Get the Window width.
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* @return width The width of map window from the context document
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*/
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this.getWindowWidth=function() {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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return win.getAttribute("width");
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}
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/**
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* Set the Window width.
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* @param width The width of map window to set in the context document
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*/
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this.setWindowWidth=function(width) {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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win.setAttribute("width", width);
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this.callListeners("resize");
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}
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/**
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* Get the Window height.
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* @return height The height of map window from the context document.
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*/
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this.getWindowHeight=function() {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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return win.getAttribute("height");
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}
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/**
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* Set the Window height.
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* @param height The height of map window to set in the context document
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*/
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this.setWindowHeight=function(height) {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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win.setAttribute("height", height);
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this.callListeners("resize");
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}
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/**
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* Returns the width/height of the map window as an array
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* Added by Andreas Hocevar for compatibility with Context.js
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*/
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this.getWindowSize=function() {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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return new Array(win.getAttribute("width"), win.getAttribute("height"));
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}
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/**
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* Set the Window width and height in one function call to avoid a resize event in between
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* setting width and height, because that causes checkBbox to be triggered, which adjusts the
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* bbox then when it should not yet be adjusted.
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* Based on setWindowSize by VTS in Context.js
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* Added by Andreas Hocevar for compatibility with Context.js
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* @param size Size of the map window as (width, height) array
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*/
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this.setWindowSize=function(size) {
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var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
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var width = size[0];
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var height = size[1];
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win.setAttribute("width", width);
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win.setAttribute("height", height);
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this.callListeners("resize");
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}
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/**
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* returns a node that has the specified feature name in the context doc
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* @param featureName Name element value to return
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* @return the node from the context doc with the specified feature name
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*/
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this.getFeatureNode = function(layerId) {
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if( this.doc ) {
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// Find feature by id
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var feature = this.doc.selectSingleNode("//wmc:ResourceList/*[@id='"+layerId+"']");
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// Fallback: find feature by name
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if (feature == null) {
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feature = this.doc.selectSingleNode("//wmc:ResourceList/*[wmc:Name='"+layerId+"']");
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}
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if(feature == null ) {
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alert(mbGetMessage("featureNotFoundOwsContext"));
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}
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return feature;
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}
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}
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/**
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* Returns the serverUrl for the layer passed in as the feature argument.
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* @param requestName ignored for context docs (only GetMap supported)
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* @param method ignored for context docs (only GET supported)
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* @param feature the node for the feature from the context doc
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* @return height String URL for the GetMap request
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*/
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this.getServerUrl = function(requestName, method, feature) {
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var service = requestName.split(":");
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if (service.length > 0) {
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service = service[0].toUpperCase();
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}
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var url = feature.selectSingleNode("wmc:Server[@service='OGC:"+service+"']/wmc:OnlineResource").getAttribute("xlink:href");
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if (!url) {
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// fallback to default service
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url = feature.selectSingleNode("wmc:Server/wmc:OnlineResource").getAttribute("xlink:href");
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}
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return url;
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}
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/**
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* Returns the WMS version for the layer passed in as the feature argument
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* @param feature the node for the feature from the context doc
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* @return the WMS GetMap version for the Layer.
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*/
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this.getVersion = function(feature) {
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return feature.selectSingleNode("wmc:Server").getAttribute("version");
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}
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/**
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* Get HTTP method for the specified feature
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* @param feature the Layer node from the context doc
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* @return the HTTP method to get the feature with
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*/
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this.getMethod = function(feature) {
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return feature.selectSingleNode("wmc:Server/wmc:OnlineResource").getAttribute("wmc:method");
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}
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/**
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* Return the service type of the bottom layer in the layer list.
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* This is used to match navigation tools with the basemap.
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*/
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this.getBaseLayerService=function(){
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//x=this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server/@service");
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x=this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server");
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s=x.getAttribute("service");
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//alert("OwsContext.getBaseLayerService: s="+s);
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return s;
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}
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/**
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* listener method which loads WFS features from the context doc, after WMS
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* layers are loaded.
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* @param objRef Pointer to this object.
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*/
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this.loadFeatures = function(objRef) {
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var nodeSelectXpath = objRef.nodeSelectXpath + "/wmc:FeatureType[wmc:Server/@service='OGC:WFS']/wmc:Name";
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var featureList = objRef.doc.selectNodes(nodeSelectXpath);
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for (var i=0; i<featureList.length; i++) {
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var featureName = getNodeValue(featureList[i]);
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objRef.setParam('wfs_GetFeature',featureName);
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}
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//this.callListeners("contextLoaded"); //PGC
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}
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this.addListener("loadModel", this.loadFeatures, this);
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/**
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* Listener function which sets stylesheet params for WebServiceRequests
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* @param objRef pointer to this object
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* @param featureNodeId the id of the node in the doc to be processed by the stylesheet
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*/
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this.setRequestParameters = function(featureName, requestStylesheet) {
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var feature = this.getFeatureNode(featureName);
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if (feature.selectSingleNode("ogc:Filter")) {
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requestStylesheet.setParameter("filter", escape((new XMLSerializer()).serializeToString(feature.selectSingleNode("ogc:Filter"))) );
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}
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}
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//this.addFirstListener("wfs_GetFeature", this.setRequestParameters, this);
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/**
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* Method to get a list of queryable layers
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* @return the list with queryable layers
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*/
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this.getQueryableLayers = function() {
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var listNodeArray = this.doc.selectNodes("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@queryable='1']|/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@queryable='1']");
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if (listNodeArray == null) {
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listNodeArray = this.doc.selectNodes("/wmc:OWSContext/wmc:ResourceList/wmc:Layer|/wmc:OWSContext/wmc:ResourceList/wmc:Layer");
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}
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return listNodeArray;
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}
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/**
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* Method to get a list of all layers in the context doc
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* TBD: merge this with above, passing queryable as an optional boolean param?
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* @TODO Add the other layers
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* @return the list with all layers
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*/
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this.getAllLayers = function() {
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var listNodeArray = this.doc.selectNodes("//wmc:Layer|//wmc:FeatureType");
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return listNodeArray;
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}
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/**
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* Method to get a layer with the specified id/name in the context doc
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* @param layerId/layerName the layer to be returned
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* @return the list with all layers
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* @TODO check other layers
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*/
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this.getLayer = function(layerId) {
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var layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@id='"+layerId+"']");
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if (layer == null) {
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layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@id='"+layerId+"']");
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}
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if (layer == null) {
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layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[wmc:Name='"+layerId+"']");
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}
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if (layer == null) {
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layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[wmc:Name='"+layerId+"']");
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}
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if( layer == null ) {
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layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:RssLayer[@id='"+layerId+"']");
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}
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//TBD: add in time stamp
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return layer;
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}
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/**
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* Method to get a layer id with the specified id/name in the context doc
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* @param layerName the name of the layer of which the id is to be returned
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* @return the id of the layer || false
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*/
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this.getLayerIdByName = function(layerName) {
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var layer = this.getLayer(layerName);
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var id;
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if (layer) {
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id = layer.getAttribute("id");
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}
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return id || false;
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}
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/**
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* Method to add a Layer to the LayerList
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* @param layerNode the Layer node from another context doc or capabiltiies doc
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*/
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this.addLayer = function(objRef, layerNode) {
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if( objRef.doc != null ) {
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var parentNode = objRef.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList");
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// Generate layer id if layer doesn't have an id
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var randomNumber = Math.round(10000 * Math.random());
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id = Mapbuilder.getProperty(layerNode, "wmc:Name") + "_" + randomNumber;
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layerNode.setAttribute("id", id);
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// check if that node does not alreayd exist, replace it (query may have changed)
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var id = layerNode.getAttribute("id");
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var str = "/wmc:OWSContext/wmc:ResourceList/"+layerNode.nodeName+"[@id='"+id+"']";
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395
|
var node = objRef.doc.selectSingleNode(str);
|
396
|
if( node != null ) {
|
397
|
parentNode.removeChild(node);
|
398
|
}
|
399
|
|
400
|
parentNode.appendChild(layerNode);
|
401
|
objRef.modified = true;
|
402
|
if (this.debug) {
|
403
|
mbDebugMessage( "Adding layer:"+(new XMLSerializer()).serializeToString( layerNode ) );
|
404
|
}
|
405
|
} else {
|
406
|
alert(mbGetMessage("nullOwsContext"));
|
407
|
}
|
408
|
//objRef.callListeners("refresh");
|
409
|
}
|
410
|
this.addFirstListener( "addLayer", this.addLayer, this );
|
411
|
|
412
|
/**
|
413
|
* Method to get the baselayer
|
414
|
* @return the baseLayer
|
415
|
* @TODO check for other baselayers
|
416
|
*/
|
417
|
this.getBaseLayer = function() {
|
418
|
var baseLayer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/ows:BaseLayer");
|
419
|
return baseLayer;
|
420
|
}
|
421
|
|
422
|
/**
|
423
|
* Method to add a Sld to the StyleList
|
424
|
* @param layerName the Layer name from another context doc or capabiltiies doc
|
425
|
* TBD: make sure this will work again using layerId instead of layerName
|
426
|
*/
|
427
|
this.addSLD = function(objRef,sldNode) {
|
428
|
// alert("context addSLD : "+objRef.id);
|
429
|
var layerName=Mapbuilder.getProperty(sldNode, "//Name");
|
430
|
var parentNode = objRef.doc.selectSingleNode("//wmc:Layer[wmc:Name='"+layerName+"']");
|
431
|
parentNode.appendChild(sldNode.cloneNode(true));
|
432
|
|
433
|
objRef.modified = true;
|
434
|
var attribs=[];
|
435
|
attribs["sld_body"]=(new XMLSerializer()).serializeToString(objRef.doc.selectSingleNode("//wmc:Layer[wmc:Name='"+layerName+"']/wmc:StyleList/wmc:Style/wmc:SLD/wmc:StyledLayerDescriptor"));
|
436
|
objRef.map.mbMapPane.refreshLayer(objRef.map.mbMapPane,layerName,attribs);
|
437
|
}
|
438
|
this.addFirstListener( "addSLD", this.addSLD, this );
|
439
|
|
440
|
/**
|
441
|
* Method to remove a Layer from the LayerList
|
442
|
* @param layerId the Layer to be deleted
|
443
|
*/
|
444
|
this.deleteLayer = function(objRef, layerId) {
|
445
|
var deletedNode = objRef.getLayer(layerId);
|
446
|
if (!deletedNode) {
|
447
|
alert(mbGetMessage("nodeNotFound", layerId));
|
448
|
return;
|
449
|
}
|
450
|
deletedNode.parentNode.removeChild(deletedNode);
|
451
|
objRef.modified = true;
|
452
|
}
|
453
|
this.addFirstListener( "deleteLayer", this.deleteLayer, this );
|
454
|
|
455
|
/**
|
456
|
* Method to move a Layer in the LayerList up
|
457
|
* @param layerId the layer to be moved
|
458
|
*/
|
459
|
this.moveLayerUp = function(objRef, layerId) {
|
460
|
var movedNode = objRef.getLayer(layerId);
|
461
|
var sibNode = movedNode.selectSingleNode("following-sibling::*");
|
462
|
if (!sibNode) {
|
463
|
alert(mbGetMessage("cantMoveUp", layerId));
|
464
|
return;
|
465
|
}
|
466
|
movedNode.parentNode.insertBefore(sibNode,movedNode);
|
467
|
objRef.modified = true;
|
468
|
}
|
469
|
this.addFirstListener( "moveLayerUp", this.moveLayerUp, this );
|
470
|
|
471
|
/**
|
472
|
* Method to move a Layer in the LayerList down
|
473
|
* @param layerId the layer to be moved
|
474
|
*/
|
475
|
this.moveLayerDown = function(objRef, layerId) {
|
476
|
var movedNode = objRef.getLayer(layerId);
|
477
|
var listNodeArray = movedNode.selectNodes("preceding-sibling::*"); //preceding-sibling axis contains all previous siblings
|
478
|
var sibNode = listNodeArray[listNodeArray.length-1];
|
479
|
if (!sibNode) {
|
480
|
alert(mbGetMessage("cantMoveDown", layerId));
|
481
|
return;
|
482
|
}
|
483
|
movedNode.parentNode.insertBefore(movedNode,sibNode);
|
484
|
objRef.modified = true;
|
485
|
}
|
486
|
this.addFirstListener( "moveLayerDown", this.moveLayerDown, this );
|
487
|
|
488
|
/**
|
489
|
* Adds a node to the Context document extension element. The extension element
|
490
|
* will be created if it doesn't already exist.
|
491
|
* @param extensionNode the node to be appended in the extension element.
|
492
|
* @return the ndoe added to the extension element
|
493
|
*/
|
494
|
this.setExtension = function(extensionNode) {
|
495
|
var extension = this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Extension");
|
496
|
if (!extension) {
|
497
|
var general = this.doc.selectSingleNode("/wmc:OWSContext/wmc:General");
|
498
|
var newChild = createElementWithNS(this.doc,"Extension",'http://www.opengis.net/context');
|
499
|
extension = general.appendChild(newChild);
|
500
|
}
|
501
|
return extension.appendChild(extensionNode);
|
502
|
}
|
503
|
|
504
|
/**
|
505
|
* Returns the contents of the extension element
|
506
|
* @return the contents of the extension element
|
507
|
*/
|
508
|
this.getExtension = function() {
|
509
|
return this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Extension");
|
510
|
}
|
511
|
|
512
|
// PL -BRGM
|
513
|
/**
|
514
|
* Change a Layer's opacity
|
515
|
* @param layerId The name of the layer that is to be changed
|
516
|
* @param Opacity Value of the opacity
|
517
|
*/
|
518
|
this.setOpacity=function(layerId, Opacity){
|
519
|
// Set the hidden attribute in the Context
|
520
|
var layer = this.getLayer(layerId);
|
521
|
if (layer) layer.setAttribute("opacity", Opacity);
|
522
|
// Call the listeners
|
523
|
this.callListeners("opacity", layerId);
|
524
|
}
|
525
|
|
526
|
/**
|
527
|
* Get the layer's opacity attribute value.
|
528
|
* @param layerId The name of the layer that is to be changed
|
529
|
* @return hidden String with the value; 1=hidden, 0=visible.
|
530
|
*/
|
531
|
this.getOpacity=function(layerId){
|
532
|
var opacity=1;
|
533
|
var layer = this.getLayer(layerId);
|
534
|
if (layer) opacity = layer.getAttribute("opacity");
|
535
|
return opacity;
|
536
|
}
|
537
|
// PL -END
|
538
|
|
539
|
/**
|
540
|
* Parses a Dimension element from the Context document as a loadModel listener.
|
541
|
* This results in an XML structure with one element for each GetMap time value
|
542
|
* parameter and added to the Context extrension element.
|
543
|
* @param objRef a pointer to this object
|
544
|
*/
|
545
|
this.initTimeExtent = function( objRef ) {
|
546
|
//only the first one selected is used as the timestamp source
|
547
|
//var extentNode = objRef.doc.selectSingleNode("//wmc:Layer/wmc:Dimension[@name='time']");
|
548
|
//TBD: how to deal with multiple time dimensions in one context doc, or caps doc?
|
549
|
var timeNodes = objRef.doc.selectNodes("//wmc:Dimension[@name='time']");
|
550
|
for (var i=0; i<timeNodes.length; ++i) {
|
551
|
var extentNode = timeNodes[i];
|
552
|
objRef.timestampList = createElementWithNS(objRef.doc,"TimestampList",mbNsUrl);
|
553
|
var layerId;
|
554
|
var layerNode = extentNode.parentNode.parentNode;
|
555
|
if (layerNode.selectSingleNode("@id")) {
|
556
|
layerId = Mapbuilder.getProperty(layerNode, "@id");
|
557
|
} else {
|
558
|
layerId =Mapbuilder.getProperty(layerNode, "wmc:Name");
|
559
|
}
|
560
|
objRef.timestampList.setAttribute("layerId", layerId);
|
561
|
//alert("found time dimension, extent:"+getNodeValue(extentNode));
|
562
|
var times = getNodeValue(extentNode).split(","); //comma separated list of arguments
|
563
|
for (var j=0; j<times.length; ++j) {
|
564
|
var params = times[j].split("/"); // parses start/end/period
|
565
|
if (params.length==3) {
|
566
|
var start = setISODate(params[0]);
|
567
|
var stop = setISODate(params[1]);
|
568
|
var period = params[2];
|
569
|
var parts = period.match(/^P((\d*)Y)?((\d*)M)?((\d*)D)?T?((\d*)H)?((\d*)M)?((.*)S)?/);
|
570
|
for (var i=1; i<parts.length; ++i) {
|
571
|
if (!parts[i]) parts[i]=0;
|
572
|
}
|
573
|
//alert("start time:"+start.toString());
|
574
|
do {
|
575
|
var timestamp = createElementWithNS(objRef.doc,"Timestamp",mbNsUrl);
|
576
|
timestamp.appendChild(objRef.doc.createTextNode(getISODate(start)));
|
577
|
objRef.timestampList.appendChild(timestamp);
|
578
|
|
579
|
start.setFullYear(start.getFullYear()+parseInt(parts[2],10));
|
580
|
start.setMonth(start.getMonth()+parseInt(parts[4],10));
|
581
|
start.setDate(start.getDate()+parseInt(parts[6],10));
|
582
|
start.setHours(start.getHours()+parseInt(parts[8],10));
|
583
|
start.setMinutes(start.getMinutes()+parseInt(parts[10],10));
|
584
|
start.setSeconds(start.getSeconds()+parseFloat(parts[12]));
|
585
|
//alert("time:"+start.toString());
|
586
|
} while(start.getTime() <= stop.getTime());
|
587
|
|
588
|
} else {
|
589
|
//output single date value
|
590
|
var timestamp = createElementWithNS(objRef.doc,"Timestamp",mbNsUrl);
|
591
|
timestamp.appendChild(objRef.doc.createTextNode(times[j]));
|
592
|
objRef.timestampList.appendChild(timestamp);
|
593
|
}
|
594
|
}
|
595
|
objRef.setExtension(objRef.timestampList);
|
596
|
}
|
597
|
}
|
598
|
this.addFirstListener( "loadModel", this.initTimeExtent, this );
|
599
|
|
600
|
/**
|
601
|
* clear the time extent created by initTimeExtent
|
602
|
* @param objRef reference to this model
|
603
|
*/
|
604
|
this.clearTimeExtent = function( objRef ) {
|
605
|
var tsList = objRef.timestampList;
|
606
|
if (tsList) {
|
607
|
tsList.parentNode.removeChild(tsList);
|
608
|
}
|
609
|
}
|
610
|
this.addListener("newModel", this.clearTimeExtent, this);
|
611
|
|
612
|
/**
|
613
|
* Returns the current timestamp value.
|
614
|
* @param layerName the name of the Layer from which the timestamp list was generated
|
615
|
* @return the current timestamp value.
|
616
|
*/
|
617
|
this.getCurrentTimestamp = function( layerName ) {
|
618
|
var index = this.getParam("timestamp");
|
619
|
return getNodeValue(this.timestampList.childNodes[index]);
|
620
|
}
|
621
|
|
622
|
}
|