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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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<h2>OwsContext.js</h2>
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<h4>Summary</h4>
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No overview generated for 'OwsContext.js'<BR/><BR/>
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<b>Class Summary</b>
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<td width="15%"><b><a href="OwsContext.html">OwsContext</a></b></td>
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<td> </td>
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</table>
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<hr/>
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<!-- ========== METHOD SUMMARY =========== -->
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<!-- ========== END METHOD SUMMARY =========== -->
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<pre class="sourceview"><span class="comment">/*
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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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*/</span>
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<span class="comment">
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// Ensure this object's dependancies are loaded.</span>
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mapbuilder.loadScript(baseDir+<span class="literal">"/model/ModelBase.js"</span>);
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<span class="comment">/**
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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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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> ModelBase
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* <span class="attrib">@author</span> Mike Adair
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* <span class="attrib">@requires</span> Sarissa
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*
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*/</span>
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<span class="reserved">function</span> OwsContext(modelNode, parent) {
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<span class="comment"> // Inherit the ModelBase functions and parameters</span>
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ModelBase.apply(<span class="reserved">this</span>, new Array(modelNode, parent));
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<span class="comment">
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// MAP-186</span>
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<span class="reserved">this</span>.namespace = <span class="reserved">this</span>.namespace ? <span class="reserved">this</span>.namespace.replace(/\<span class="literal">"/g, "</span><span class="literal">'")+" " : '</span><span class="literal">';
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this.namespace = this.namespace + "xmlns:wmc='</span>http://www.opengis.net/context<span class="literal">' xmlns:ows='</span>http://www.opengis.net/ows<span class="literal">' xmlns:ogc='</span>http://www.opengis.net/ogc<span class="literal">' xmlns:xsl='</span>http://www.w3.org/1999/XSL/Transform<span class="literal">' xmlns:xlink='</span>http://www.w3.org/1999/xlink<span class="literal">' xmlns:gml='</span>http://www.opengis.net/gml<span class="literal">' xmlns:wfs='</span>http://www.opengis.net/wfs<span class="literal">' xmlns:sld='</span>http://www.opengis.net/sld<span class="literal">'";
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/**
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* Change a Layer'</span>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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<span class="reserved">this</span>.setHidden=<span class="reserved">function</span>(layerId, hidden){
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<span class="comment"> // Set the hidden attribute in the Context</span>
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var hiddenValue = <span class="literal">"0"</span>;
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<span class="reserved">if</span> (hidden) hiddenValue = <span class="literal">"1"</span>;
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var layer=<span class="reserved">this</span>.getLayer(layerId);
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<span class="reserved">if</span> (layer) layer.setAttribute(<span class="literal">"hidden"</span>, hiddenValue);
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<span class="comment"> // Call the listeners</span>
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<span class="reserved">this</span>.callListeners(<span class="literal">"hidden"</span>, layerId);
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}
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<span class="comment">/**
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* Get the layer's visiblity attribute value.
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* <span class="attrib">@param</span> layerId The name of the layer that is to be changed
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* <span class="attrib">@return</span> hidden String with the value; 1=hidden, 0=visible.
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*/</span>
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<span class="reserved">this</span>.getHidden=<span class="reserved">function</span>(layerId){
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var hidden=1;
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var layer=<span class="reserved">this</span>.getFeatureNode(layerId)
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<span class="reserved">if</span> (layer) hidden = layer.getAttribute(<span class="literal">"hidden"</span>);
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<span class="reserved">return</span> hidden;
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}
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<span class="comment">/**
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* Get the BoundingBox value from the Context document.
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* <span class="attrib">@return</span> BoundingBox array with the sequence (xmin,ymin,xmax,ymax).
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*/</span>
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<span class="reserved">this</span>.getBoundingBox=<span class="reserved">function</span>() {
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var bbox = new Array();
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<span class="comment"> // Extract BoundingBox from the context</span>
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var lowerLeft=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner"</span>);
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var upperRight=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner"</span>);
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var strBbox = new String(getNodeValue(lowerLeft) + <span class="literal">" "</span> + getNodeValue(upperRight)).split(<span class="literal">" "</span>);
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<span class="reserved">for</span> (i=0; i<strBbox.length; ++i) {
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bbox[i] = parseFloat(strBbox[i]);
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}
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<span class="reserved">return</span> bbox;
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}
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<span class="comment">/**
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* Set the BoundingBox element and call the refresh listeners
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* <span class="attrib">@param</span> boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/</span>
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<span class="reserved">this</span>.setBoundingBox=<span class="reserved">function</span>(boundingBox) {
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<span class="comment"> // Set BoundingBox in context</span>
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var lowerLeft=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner"</span>);
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lowerLeft.firstChild.nodeValue = boundingBox[0] + <span class="literal">" "</span> + boundingBox[1];
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var upperRight=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner"</span>);
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upperRight.firstChild.nodeValue = boundingBox[2] + <span class="literal">" "</span> + boundingBox[3];
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<span class="comment"> // Call the listeners</span>
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<span class="reserved">this</span>.callListeners(<span class="literal">"bbox"</span>, boundingBox);
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}
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<span class="comment">/**
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* Set the BoundingBox element and call the refresh listeners
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* <span class="attrib">@param</span> boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/</span>
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<span class="reserved">this</span>.initBbox=<span class="reserved">function</span>(objRef) {
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<span class="comment"> // Set BoundingBox in context from URL CGI params</span>
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<span class="reserved">if</span> (window.cgiArgs[<span class="literal">"bbox"</span>]) { //set as minx,miny,maxx,maxy
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var bbox = window.cgiArgs[<span class="literal">"bbox"</span>].split(<span class="literal">','</span>);
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objRef.setBoundingBox(bbox);
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}
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}
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<span class="reserved">this</span>.addListener( <span class="literal">"loadModel"</span>, <span class="reserved">this</span>.initBbox, <span class="reserved">this</span> );
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<span class="comment"> //this.addListener( "contextLoaded", this.initBbox, this );</span>
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<span class="comment">/**
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* Set the aoi param and call the refresh listeners
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* <span class="attrib">@param</span> boundingBox array in the sequence (xmin, ymin, xmax, ymax).
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*/</span>
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<span class="reserved">this</span>.initAoi=<span class="reserved">function</span>(objRef) {
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<span class="comment"> // Set AOI of context from URL CGI params</span>
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<span class="reserved">if</span> (window.cgiArgs[<span class="literal">"aoi"</span>]) { //set as ul,lr point arrays
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var aoi = window.cgiArgs[<span class="literal">"aoi"</span>].split(<span class="literal">','</span>);
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objRef.setParam(<span class="literal">"aoi"</span>,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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<span class="reserved">this</span>.addListener( <span class="literal">"loadModel"</span>, <span class="reserved">this</span>.initAoi, <span class="reserved">this</span> );
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<span class="comment"> //MA this.addListener( "contextLoaded", this.initAoi, this );</span>
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<span class="comment">/**
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* Set the Spatial Reference System for the context document.
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* <span class="attrib">@param</span> srs The Spatial Reference System.
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*/</span>
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<span class="reserved">this</span>.setSRS=<span class="reserved">function</span>(srs) {
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var bbox=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox"</span>);
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bbox.setAttribute(<span class="literal">"crs"</span>,srs);
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<span class="reserved">this</span>.callListeners(<span class="literal">"srs"</span>);
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}
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<span class="comment">/**
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* Get the Spatial Reference System from the context document.
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* <span class="attrib">@return</span> srs The Spatial Reference System.
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*/</span>
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<span class="reserved">this</span>.getSRS=<span class="reserved">function</span>() {
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var bbox=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/ows:BoundingBox"</span>);
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srs=bbox.getAttribute(<span class="literal">"crs"</span>);
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srs = srs ? srs : <span class="literal">'EPSG:4326'</span>;
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<span class="reserved">return</span> srs;
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}
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<span class="comment">/**
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* Get the Projection object from the context document.
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* <span class="attrib">@return</span> Proj Object of The Spatial Reference System.
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*/</span>
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<span class="reserved">this</span>.initProj=<span class="reserved">function</span>(objRef) {
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objRef.proj=new OpenLayers.Projection(objRef.getSRS());
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}
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<span class="reserved">this</span>.addFirstListener( <span class="literal">"loadModel"</span>, <span class="reserved">this</span>.initProj, <span class="reserved">this</span> );
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<span class="comment">/**
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* Get the Window width.
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* <span class="attrib">@return</span> width The width of map window from the context document
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*/</span>
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<span class="reserved">this</span>.getWindowWidth=<span class="reserved">function</span>() {
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var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
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<span class="reserved">return</span> win.getAttribute(<span class="literal">"width"</span>);
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}
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<span class="comment">/**
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* Set the Window width.
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* <span class="attrib">@param</span> width The width of map window to set in the context document
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*/</span>
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<span class="reserved">this</span>.setWindowWidth=<span class="reserved">function</span>(width) {
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var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
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win.setAttribute(<span class="literal">"width"</span>, width);
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<span class="reserved">this</span>.callListeners(<span class="literal">"resize"</span>);
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}
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<span class="comment">/**
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* Get the Window height.
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* <span class="attrib">@return</span> height The height of map window from the context document.
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*/</span>
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<span class="reserved">this</span>.getWindowHeight=<span class="reserved">function</span>() {
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var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
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<span class="reserved">return</span> win.getAttribute(<span class="literal">"height"</span>);
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}
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<span class="comment">/**
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* Set the Window height.
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* <span class="attrib">@param</span> height The height of map window to set in the context document
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*/</span>
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<span class="reserved">this</span>.setWindowHeight=<span class="reserved">function</span>(height) {
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var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
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win.setAttribute(<span class="literal">"height"</span>, height);
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293
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<span class="reserved">this</span>.callListeners(<span class="literal">"resize"</span>);
|
|
294
|
}
|
|
295
|
|
|
296
|
<span class="comment">/**
|
|
297
|
* Returns the width/height of the map window as an array
|
|
298
|
* Added by Andreas Hocevar for compatibility with Context.js
|
|
299
|
*/</span>
|
|
300
|
<span class="reserved">this</span>.getWindowSize=<span class="reserved">function</span>() {
|
|
301
|
var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
|
|
302
|
<span class="reserved">return</span> new Array(win.getAttribute(<span class="literal">"width"</span>), win.getAttribute(<span class="literal">"height"</span>));
|
|
303
|
}
|
|
304
|
|
|
305
|
<span class="comment">/**
|
|
306
|
* Set the Window width and height in one function call to avoid a resize event in between
|
|
307
|
* setting width and height, because that causes checkBbox to be triggered, which adjusts the
|
|
308
|
* bbox then when it should not yet be adjusted.
|
|
309
|
* Based on setWindowSize by VTS in Context.js
|
|
310
|
* Added by Andreas Hocevar for compatibility with Context.js
|
|
311
|
* <span class="attrib">@param</span> size Size of the map window as (width, height) array
|
|
312
|
*/</span>
|
|
313
|
<span class="reserved">this</span>.setWindowSize=<span class="reserved">function</span>(size) {
|
|
314
|
var win=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Window"</span>);
|
|
315
|
var width = size[0];
|
|
316
|
var height = size[1];
|
|
317
|
win.setAttribute(<span class="literal">"width"</span>, width);
|
|
318
|
win.setAttribute(<span class="literal">"height"</span>, height);
|
|
319
|
<span class="reserved">this</span>.callListeners(<span class="literal">"resize"</span>);
|
|
320
|
}
|
|
321
|
|
|
322
|
<span class="comment">/**
|
|
323
|
* returns a node that has the specified feature name in the context doc
|
|
324
|
* <span class="attrib">@param</span> featureName Name element value to return
|
|
325
|
* <span class="attrib">@return</span> the node from the context doc with the specified feature name
|
|
326
|
*/</span>
|
|
327
|
<span class="reserved">this</span>.getFeatureNode = <span class="reserved">function</span>(layerId) {
|
|
328
|
<span class="reserved">if</span>( <span class="reserved">this</span>.doc ) {
|
|
329
|
<span class="comment">
|
|
330
|
// Find feature by id</span>
|
|
331
|
var feature = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"//wmc:ResourceList/*[@id='"</span>+layerId+<span class="literal">"']"</span>);
|
|
332
|
<span class="comment">
|
|
333
|
// Fallback: find feature by name</span>
|
|
334
|
<span class="reserved">if</span> (feature == null) {
|
|
335
|
feature = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"//wmc:ResourceList/*[wmc:Name='"</span>+layerId+<span class="literal">"']"</span>);
|
|
336
|
}
|
|
337
|
|
|
338
|
<span class="reserved">if</span>(feature == null ) {
|
|
339
|
alert(mbGetMessage(<span class="literal">"featureNotFoundOwsContext"</span>));
|
|
340
|
}
|
|
341
|
|
|
342
|
<span class="reserved">return</span> feature;
|
|
343
|
}
|
|
344
|
}
|
|
345
|
|
|
346
|
<span class="comment">/**
|
|
347
|
* Returns the serverUrl for the layer passed in as the feature argument.
|
|
348
|
* <span class="attrib">@param</span> requestName ignored for context docs (only GetMap supported)
|
|
349
|
* <span class="attrib">@param</span> method ignored for context docs (only GET supported)
|
|
350
|
* <span class="attrib">@param</span> feature the node for the feature from the context doc
|
|
351
|
* <span class="attrib">@return</span> height String URL for the GetMap request
|
|
352
|
*/</span>
|
|
353
|
<span class="reserved">this</span>.getServerUrl = <span class="reserved">function</span>(requestName, method, feature) {
|
|
354
|
var service = requestName.split(<span class="literal">":"</span>);
|
|
355
|
<span class="reserved">if</span> (service.length > 0) {
|
|
356
|
service = service[0].toUpperCase();
|
|
357
|
}
|
|
358
|
var url = feature.selectSingleNode(<span class="literal">"wmc:Server[@service='OGC:"</span>+service+<span class="literal">"']/wmc:OnlineResource"</span>).getAttribute(<span class="literal">"xlink:href"</span>);
|
|
359
|
<span class="reserved">if</span> (!url) {
|
|
360
|
<span class="comment"> // fallback to default service</span>
|
|
361
|
url = feature.selectSingleNode(<span class="literal">"wmc:Server/wmc:OnlineResource"</span>).getAttribute(<span class="literal">"xlink:href"</span>);
|
|
362
|
}
|
|
363
|
<span class="reserved">return</span> url;
|
|
364
|
}
|
|
365
|
|
|
366
|
<span class="comment">/**
|
|
367
|
* Returns the WMS version for the layer passed in as the feature argument
|
|
368
|
* <span class="attrib">@param</span> feature the node for the feature from the context doc
|
|
369
|
* <span class="attrib">@return</span> the WMS GetMap version for the Layer.
|
|
370
|
*/</span>
|
|
371
|
<span class="reserved">this</span>.getVersion = <span class="reserved">function</span>(feature) {
|
|
372
|
<span class="reserved">return</span> feature.selectSingleNode(<span class="literal">"wmc:Server"</span>).getAttribute(<span class="literal">"version"</span>);
|
|
373
|
}
|
|
374
|
|
|
375
|
<span class="comment">/**
|
|
376
|
* Get HTTP method for the specified feature
|
|
377
|
* <span class="attrib">@param</span> feature the Layer node from the context doc
|
|
378
|
* <span class="attrib">@return</span> the HTTP method to get the feature with
|
|
379
|
*/</span>
|
|
380
|
<span class="reserved">this</span>.getMethod = <span class="reserved">function</span>(feature) {
|
|
381
|
<span class="reserved">return</span> feature.selectSingleNode(<span class="literal">"wmc:Server/wmc:OnlineResource"</span>).getAttribute(<span class="literal">"wmc:method"</span>);
|
|
382
|
}
|
|
383
|
|
|
384
|
<span class="comment">/**
|
|
385
|
* Return the service type of the bottom layer in the layer list.
|
|
386
|
* This is used to match navigation tools with the basemap.
|
|
387
|
*/</span>
|
|
388
|
<span class="reserved">this</span>.getBaseLayerService=<span class="reserved">function</span>(){
|
|
389
|
<span class="comment"> //x=this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server/<span class="attrib">@service</span>");</span>
|
|
390
|
x=<span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server"</span>);
|
|
391
|
s=x.getAttribute(<span class="literal">"service"</span>);
|
|
392
|
<span class="comment"> //alert("OwsContext.getBaseLayerService: s="+s);</span>
|
|
393
|
<span class="reserved">return</span> s;
|
|
394
|
}
|
|
395
|
|
|
396
|
<span class="comment">/**
|
|
397
|
* listener method which loads WFS features from the context doc, after WMS
|
|
398
|
* layers are loaded.
|
|
399
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
|
400
|
*/</span>
|
|
401
|
<span class="reserved">this</span>.loadFeatures = <span class="reserved">function</span>(objRef) {
|
|
402
|
var nodeSelectXpath = objRef.nodeSelectXpath + <span class="literal">"/wmc:FeatureType[wmc:Server/@service='OGC:WFS']/wmc:Name"</span>;
|
|
403
|
var featureList = objRef.doc.selectNodes(nodeSelectXpath);
|
|
404
|
<span class="reserved">for</span> (var i=0; i<featureList.length; i++) {
|
|
405
|
var featureName = getNodeValue(featureList[i]);
|
|
406
|
objRef.setParam(<span class="literal">'wfs_GetFeature'</span>,featureName);
|
|
407
|
}
|
|
408
|
<span class="comment">
|
|
409
|
//this.callListeners("contextLoaded"); //PGC</span>
|
|
410
|
}
|
|
411
|
<span class="reserved">this</span>.addListener(<span class="literal">"loadModel"</span>, <span class="reserved">this</span>.loadFeatures, <span class="reserved">this</span>);
|
|
412
|
|
|
413
|
<span class="comment">/**
|
|
414
|
* Listener function which sets stylesheet params for WebServiceRequests
|
|
415
|
* <span class="attrib">@param</span> objRef pointer to this object
|
|
416
|
* <span class="attrib">@param</span> featureNodeId the id of the node in the doc to be processed by the stylesheet
|
|
417
|
*/</span>
|
|
418
|
<span class="reserved">this</span>.setRequestParameters = <span class="reserved">function</span>(featureName, requestStylesheet) {
|
|
419
|
var feature = <span class="reserved">this</span>.getFeatureNode(featureName);
|
|
420
|
<span class="reserved">if</span> (feature.selectSingleNode(<span class="literal">"ogc:Filter"</span>)) {
|
|
421
|
requestStylesheet.setParameter(<span class="literal">"filter"</span>, escape((new XMLSerializer()).serializeToString(feature.selectSingleNode(<span class="literal">"ogc:Filter"</span>))) );
|
|
422
|
}
|
|
423
|
}
|
|
424
|
<span class="comment"> //this.addFirstListener("wfs_GetFeature", this.setRequestParameters, this);</span>
|
|
425
|
|
|
426
|
<span class="comment">/**
|
|
427
|
* Method to get a list of queryable layers
|
|
428
|
* <span class="attrib">@return</span> the list with queryable layers
|
|
429
|
*/</span>
|
|
430
|
<span class="reserved">this</span>.getQueryableLayers = <span class="reserved">function</span>() {
|
|
431
|
var listNodeArray = <span class="reserved">this</span>.doc.selectNodes(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@queryable='1']|/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@queryable='1']"</span>);
|
|
432
|
<span class="reserved">if</span> (listNodeArray == null) {
|
|
433
|
listNodeArray = <span class="reserved">this</span>.doc.selectNodes(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:Layer|/wmc:OWSContext/wmc:ResourceList/wmc:Layer"</span>);
|
|
434
|
}
|
|
435
|
<span class="reserved">return</span> listNodeArray;
|
|
436
|
}
|
|
437
|
|
|
438
|
<span class="comment">/**
|
|
439
|
* Method to get a list of all layers in the context doc
|
|
440
|
* TBD: merge this with above, passing queryable as an optional boolean param?
|
|
441
|
* <span class="attrib">@TODO</span> Add the other layers
|
|
442
|
* <span class="attrib">@return</span> the list with all layers
|
|
443
|
*/</span>
|
|
444
|
<span class="reserved">this</span>.getAllLayers = <span class="reserved">function</span>() {
|
|
445
|
var listNodeArray = <span class="reserved">this</span>.doc.selectNodes(<span class="literal">"//wmc:Layer|//wmc:FeatureType"</span>);
|
|
446
|
<span class="reserved">return</span> listNodeArray;
|
|
447
|
}
|
|
448
|
|
|
449
|
<span class="comment">/**
|
|
450
|
* Method to get a layer with the specified id/name in the context doc
|
|
451
|
* <span class="attrib">@param</span> layerId/layerName the layer to be returned
|
|
452
|
* <span class="attrib">@return</span> the list with all layers
|
|
453
|
* <span class="attrib">@TODO</span> check other layers
|
|
454
|
*/</span>
|
|
455
|
<span class="reserved">this</span>.getLayer = <span class="reserved">function</span>(layerId) {
|
|
456
|
var layer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@id='"</span>+layerId+<span class="literal">"']"</span>);
|
|
457
|
<span class="reserved">if</span> (layer == null) {
|
|
458
|
layer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@id='"</span>+layerId+<span class="literal">"']"</span>);
|
|
459
|
}
|
|
460
|
<span class="reserved">if</span> (layer == null) {
|
|
461
|
layer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:Layer[wmc:Name='"</span>+layerId+<span class="literal">"']"</span>);
|
|
462
|
}
|
|
463
|
<span class="reserved">if</span> (layer == null) {
|
|
464
|
layer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[wmc:Name='"</span>+layerId+<span class="literal">"']"</span>);
|
|
465
|
}
|
|
466
|
<span class="reserved">if</span>( layer == null ) {
|
|
467
|
layer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/wmc:RssLayer[@id='"</span>+layerId+<span class="literal">"']"</span>);
|
|
468
|
}
|
|
469
|
<span class="comment"> //TBD: add in time stamp</span>
|
|
470
|
<span class="reserved">return</span> layer;
|
|
471
|
}
|
|
472
|
|
|
473
|
<span class="comment">/**
|
|
474
|
* Method to get a layer id with the specified id/name in the context doc
|
|
475
|
* <span class="attrib">@param</span> layerName the name of the layer of which the id is to be returned
|
|
476
|
* <span class="attrib">@return</span> the id of the layer || false
|
|
477
|
*/</span>
|
|
478
|
<span class="reserved">this</span>.getLayerIdByName = <span class="reserved">function</span>(layerName) {
|
|
479
|
var layer = <span class="reserved">this</span>.getLayer(layerName);
|
|
480
|
var id;
|
|
481
|
<span class="reserved">if</span> (layer) {
|
|
482
|
id = layer.getAttribute(<span class="literal">"id"</span>);
|
|
483
|
}
|
|
484
|
|
|
485
|
<span class="reserved">return</span> id || false;
|
|
486
|
}
|
|
487
|
|
|
488
|
|
|
489
|
<span class="comment">/**
|
|
490
|
* Method to add a Layer to the LayerList
|
|
491
|
* <span class="attrib">@param</span> layerNode the Layer node from another context doc or capabiltiies doc
|
|
492
|
*/</span>
|
|
493
|
<span class="reserved">this</span>.addLayer = <span class="reserved">function</span>(objRef, layerNode) {
|
|
494
|
<span class="reserved">if</span>( objRef.doc != null ) {
|
|
495
|
var parentNode = objRef.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList"</span>);
|
|
496
|
<span class="comment">
|
|
497
|
// Generate layer id if layer doesn't have an id</span>
|
|
498
|
var randomNumber = Math.round(10000 * Math.random());
|
|
499
|
id = Mapbuilder.getProperty(layerNode, <span class="literal">"wmc:Name"</span>) + <span class="literal">"_"</span> + randomNumber;
|
|
500
|
layerNode.setAttribute(<span class="literal">"id"</span>, id);
|
|
501
|
<span class="comment">
|
|
502
|
// check if that node does not alreayd exist, replace it (query may have changed)</span>
|
|
503
|
var id = layerNode.getAttribute(<span class="literal">"id"</span>);
|
|
504
|
var str = <span class="literal">"/wmc:OWSContext/wmc:ResourceList/"</span>+layerNode.nodeName+<span class="literal">"[@id='"</span>+id+<span class="literal">"']"</span>;
|
|
505
|
var node = objRef.doc.selectSingleNode(str);
|
|
506
|
<span class="reserved">if</span>( node != null ) {
|
|
507
|
parentNode.removeChild(node);
|
|
508
|
}
|
|
509
|
|
|
510
|
parentNode.appendChild(layerNode);
|
|
511
|
objRef.modified = true;
|
|
512
|
<span class="reserved">if</span> (<span class="reserved">this</span>.debug) {
|
|
513
|
mbDebugMessage( <span class="literal">"Adding layer:"</span>+(new XMLSerializer()).serializeToString( layerNode ) );
|
|
514
|
}
|
|
515
|
} <span class="reserved">else</span> {
|
|
516
|
alert(mbGetMessage(<span class="literal">"nullOwsContext"</span>));
|
|
517
|
}
|
|
518
|
<span class="comment"> //objRef.callListeners("refresh");</span>
|
|
519
|
}
|
|
520
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"addLayer"</span>, <span class="reserved">this</span>.addLayer, <span class="reserved">this</span> );
|
|
521
|
|
|
522
|
<span class="comment">/**
|
|
523
|
* Method to get the baselayer
|
|
524
|
* <span class="attrib">@return</span> the baseLayer
|
|
525
|
* <span class="attrib">@TODO</span> check for other baselayers
|
|
526
|
*/</span>
|
|
527
|
<span class="reserved">this</span>.getBaseLayer = <span class="reserved">function</span>() {
|
|
528
|
var baseLayer = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:ResourceList/ows:BaseLayer"</span>);
|
|
529
|
<span class="reserved">return</span> baseLayer;
|
|
530
|
}
|
|
531
|
|
|
532
|
<span class="comment">/**
|
|
533
|
* Method to add a Sld to the StyleList
|
|
534
|
* <span class="attrib">@param</span> layerName the Layer name from another context doc or capabiltiies doc
|
|
535
|
* TBD: make sure this will work again using layerId instead of layerName
|
|
536
|
*/</span>
|
|
537
|
<span class="reserved">this</span>.addSLD = <span class="reserved">function</span>(objRef,sldNode) {
|
|
538
|
<span class="comment"> // alert("context addSLD : "+objRef.id);</span>
|
|
539
|
var layerName=Mapbuilder.getProperty(sldNode, <span class="literal">"//Name"</span>);
|
|
540
|
var parentNode = objRef.doc.selectSingleNode(<span class="literal">"//wmc:Layer[wmc:Name='"</span>+layerName+<span class="literal">"']"</span>);
|
|
541
|
parentNode.appendChild(sldNode.cloneNode(true));
|
|
542
|
|
|
543
|
objRef.modified = true;
|
|
544
|
var attribs=[];
|
|
545
|
attribs[<span class="literal">"sld_body"</span>]=(new XMLSerializer()).serializeToString(objRef.doc.selectSingleNode(<span class="literal">"//wmc:Layer[wmc:Name='"</span>+layerName+<span class="literal">"']/wmc:StyleList/wmc:Style/wmc:SLD/wmc:StyledLayerDescriptor"</span>));
|
|
546
|
objRef.map.mbMapPane.refreshLayer(objRef.map.mbMapPane,layerName,attribs);
|
|
547
|
}
|
|
548
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"addSLD"</span>, <span class="reserved">this</span>.addSLD, <span class="reserved">this</span> );
|
|
549
|
|
|
550
|
<span class="comment">/**
|
|
551
|
* Method to remove a Layer from the LayerList
|
|
552
|
* <span class="attrib">@param</span> layerId the Layer to be deleted
|
|
553
|
*/</span>
|
|
554
|
<span class="reserved">this</span>.deleteLayer = <span class="reserved">function</span>(objRef, layerId) {
|
|
555
|
var deletedNode = objRef.getLayer(layerId);
|
|
556
|
<span class="reserved">if</span> (!deletedNode) {
|
|
557
|
alert(mbGetMessage(<span class="literal">"nodeNotFound"</span>, layerId));
|
|
558
|
<span class="reserved">return</span>;
|
|
559
|
}
|
|
560
|
deletedNode.parentNode.removeChild(deletedNode);
|
|
561
|
objRef.modified = true;
|
|
562
|
}
|
|
563
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"deleteLayer"</span>, <span class="reserved">this</span>.deleteLayer, <span class="reserved">this</span> );
|
|
564
|
|
|
565
|
<span class="comment">/**
|
|
566
|
* Method to move a Layer in the LayerList up
|
|
567
|
* <span class="attrib">@param</span> layerId the layer to be moved
|
|
568
|
*/</span>
|
|
569
|
<span class="reserved">this</span>.moveLayerUp = <span class="reserved">function</span>(objRef, layerId) {
|
|
570
|
var movedNode = objRef.getLayer(layerId);
|
|
571
|
var sibNode = movedNode.selectSingleNode(<span class="literal">"following-sibling::*"</span>);
|
|
572
|
<span class="reserved">if</span> (!sibNode) {
|
|
573
|
alert(mbGetMessage(<span class="literal">"cantMoveUp"</span>, layerId));
|
|
574
|
<span class="reserved">return</span>;
|
|
575
|
}
|
|
576
|
movedNode.parentNode.insertBefore(sibNode,movedNode);
|
|
577
|
objRef.modified = true;
|
|
578
|
}
|
|
579
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"moveLayerUp"</span>, <span class="reserved">this</span>.moveLayerUp, <span class="reserved">this</span> );
|
|
580
|
|
|
581
|
<span class="comment">/**
|
|
582
|
* Method to move a Layer in the LayerList down
|
|
583
|
* <span class="attrib">@param</span> layerId the layer to be moved
|
|
584
|
*/</span>
|
|
585
|
<span class="reserved">this</span>.moveLayerDown = <span class="reserved">function</span>(objRef, layerId) {
|
|
586
|
var movedNode = objRef.getLayer(layerId);
|
|
587
|
var listNodeArray = movedNode.selectNodes(<span class="literal">"preceding-sibling::*"</span>); //preceding-sibling axis contains all previous siblings
|
|
588
|
var sibNode = listNodeArray[listNodeArray.length-1];
|
|
589
|
<span class="reserved">if</span> (!sibNode) {
|
|
590
|
alert(mbGetMessage(<span class="literal">"cantMoveDown"</span>, layerId));
|
|
591
|
<span class="reserved">return</span>;
|
|
592
|
}
|
|
593
|
movedNode.parentNode.insertBefore(movedNode,sibNode);
|
|
594
|
objRef.modified = true;
|
|
595
|
}
|
|
596
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"moveLayerDown"</span>, <span class="reserved">this</span>.moveLayerDown, <span class="reserved">this</span> );
|
|
597
|
|
|
598
|
<span class="comment">/**
|
|
599
|
* Adds a node to the Context document extension element. The extension element
|
|
600
|
* will be created if it doesn't already exist.
|
|
601
|
* <span class="attrib">@param</span> extensionNode the node to be appended in the extension element.
|
|
602
|
* <span class="attrib">@return</span> the ndoe added to the extension element
|
|
603
|
*/</span>
|
|
604
|
<span class="reserved">this</span>.setExtension = <span class="reserved">function</span>(extensionNode) {
|
|
605
|
var extension = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Extension"</span>);
|
|
606
|
<span class="reserved">if</span> (!extension) {
|
|
607
|
var general = <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General"</span>);
|
|
608
|
var newChild = createElementWithNS(<span class="reserved">this</span>.doc,<span class="literal">"Extension"</span>,<span class="literal">'http://www.opengis.net/context'</span>);
|
|
609
|
extension = general.appendChild(newChild);
|
|
610
|
}
|
|
611
|
<span class="reserved">return</span> extension.appendChild(extensionNode);
|
|
612
|
}
|
|
613
|
|
|
614
|
<span class="comment">/**
|
|
615
|
* Returns the contents of the extension element
|
|
616
|
* <span class="attrib">@return</span> the contents of the extension element
|
|
617
|
*/</span>
|
|
618
|
<span class="reserved">this</span>.getExtension = <span class="reserved">function</span>() {
|
|
619
|
<span class="reserved">return</span> <span class="reserved">this</span>.doc.selectSingleNode(<span class="literal">"/wmc:OWSContext/wmc:General/wmc:Extension"</span>);
|
|
620
|
}
|
|
621
|
<span class="comment">
|
|
622
|
// PL -BRGM</span>
|
|
623
|
<span class="comment">/**
|
|
624
|
* Change a Layer's opacity
|
|
625
|
* <span class="attrib">@param</span> layerId The name of the layer that is to be changed
|
|
626
|
* <span class="attrib">@param</span> Opacity Value of the opacity
|
|
627
|
*/</span>
|
|
628
|
<span class="reserved">this</span>.setOpacity=<span class="reserved">function</span>(layerId, Opacity){
|
|
629
|
<span class="comment"> // Set the hidden attribute in the Context</span>
|
|
630
|
var layer = <span class="reserved">this</span>.getLayer(layerId);
|
|
631
|
<span class="reserved">if</span> (layer) layer.setAttribute(<span class="literal">"opacity"</span>, Opacity);
|
|
632
|
<span class="comment"> // Call the listeners</span>
|
|
633
|
<span class="reserved">this</span>.callListeners(<span class="literal">"opacity"</span>, layerId);
|
|
634
|
}
|
|
635
|
|
|
636
|
<span class="comment">/**
|
|
637
|
* Get the layer's opacity attribute value.
|
|
638
|
* <span class="attrib">@param</span> layerId The name of the layer that is to be changed
|
|
639
|
* <span class="attrib">@return</span> hidden String with the value; 1=hidden, 0=visible.
|
|
640
|
*/</span>
|
|
641
|
<span class="reserved">this</span>.getOpacity=<span class="reserved">function</span>(layerId){
|
|
642
|
var opacity=1;
|
|
643
|
var layer = <span class="reserved">this</span>.getLayer(layerId);
|
|
644
|
<span class="reserved">if</span> (layer) opacity = layer.getAttribute(<span class="literal">"opacity"</span>);
|
|
645
|
<span class="reserved">return</span> opacity;
|
|
646
|
}
|
|
647
|
<span class="comment"> // PL -END</span>
|
|
648
|
|
|
649
|
<span class="comment">/**
|
|
650
|
* Parses a Dimension element from the Context document as a loadModel listener.
|
|
651
|
* This results in an XML structure with one element for each GetMap time value
|
|
652
|
* parameter and added to the Context extrension element.
|
|
653
|
* <span class="attrib">@param</span> objRef a pointer to this object
|
|
654
|
*/</span>
|
|
655
|
<span class="reserved">this</span>.initTimeExtent = <span class="reserved">function</span>( objRef ) {
|
|
656
|
<span class="comment"> //only the first one selected is used as the timestamp source</span>
|
|
657
|
<span class="comment"> //var extentNode = objRef.doc.selectSingleNode("//wmc:Layer/wmc:Dimension[<span class="attrib">@name</span>='time']");</span>
|
|
658
|
<span class="comment"> //TBD: how to deal with multiple time dimensions in one context doc, or caps doc?</span>
|
|
659
|
var timeNodes = objRef.doc.selectNodes(<span class="literal">"//wmc:Dimension[@name='time']"</span>);
|
|
660
|
<span class="reserved">for</span> (var i=0; i<timeNodes.length; ++i) {
|
|
661
|
var extentNode = timeNodes[i];
|
|
662
|
objRef.timestampList = createElementWithNS(objRef.doc,<span class="literal">"TimestampList"</span>,mbNsUrl);
|
|
663
|
var layerId;
|
|
664
|
var layerNode = extentNode.parentNode.parentNode;
|
|
665
|
<span class="reserved">if</span> (layerNode.selectSingleNode(<span class="literal">"@id"</span>)) {
|
|
666
|
layerId = Mapbuilder.getProperty(layerNode, <span class="literal">"@id"</span>);
|
|
667
|
} <span class="reserved">else</span> {
|
|
668
|
layerId =Mapbuilder.getProperty(layerNode, <span class="literal">"wmc:Name"</span>);
|
|
669
|
}
|
|
670
|
objRef.timestampList.setAttribute(<span class="literal">"layerId"</span>, layerId);
|
|
671
|
<span class="comment"> //alert("found time dimension, extent:"+getNodeValue(extentNode));</span>
|
|
672
|
var times = getNodeValue(extentNode).split(<span class="literal">","</span>); //comma separated list of arguments
|
|
673
|
<span class="reserved">for</span> (var j=0; j<times.length; ++j) {
|
|
674
|
var params = times[j].split(<span class="literal">"/"</span>); // parses start/end/period
|
|
675
|
<span class="reserved">if</span> (params.length==3) {
|
|
676
|
var start = setISODate(params[0]);
|
|
677
|
var stop = setISODate(params[1]);
|
|
678
|
var period = params[2];
|
|
679
|
var parts = period.match(/^P((\d*)Y)?((\d*)M)?((\d*)D)?T?((\d*)H)?((\d*)M)?((.*)S)?/);
|
|
680
|
<span class="reserved">for</span> (var i=1; i<parts.length; ++i) {
|
|
681
|
<span class="reserved">if</span> (!parts[i]) parts[i]=0;
|
|
682
|
}
|
|
683
|
<span class="comment"> //alert("start time:"+start.toString());</span>
|
|
684
|
do {
|
|
685
|
var timestamp = createElementWithNS(objRef.doc,<span class="literal">"Timestamp"</span>,mbNsUrl);
|
|
686
|
timestamp.appendChild(objRef.doc.createTextNode(getISODate(start)));
|
|
687
|
objRef.timestampList.appendChild(timestamp);
|
|
688
|
|
|
689
|
start.setFullYear(start.getFullYear()+parseInt(parts[2],10));
|
|
690
|
start.setMonth(start.getMonth()+parseInt(parts[4],10));
|
|
691
|
start.setDate(start.getDate()+parseInt(parts[6],10));
|
|
692
|
start.setHours(start.getHours()+parseInt(parts[8],10));
|
|
693
|
start.setMinutes(start.getMinutes()+parseInt(parts[10],10));
|
|
694
|
start.setSeconds(start.getSeconds()+parseFloat(parts[12]));
|
|
695
|
<span class="comment"> //alert("time:"+start.toString());</span>
|
|
696
|
} <span class="reserved">while</span>(start.getTime() <= stop.getTime());
|
|
697
|
|
|
698
|
} <span class="reserved">else</span> {
|
|
699
|
<span class="comment"> //output single date value</span>
|
|
700
|
var timestamp = createElementWithNS(objRef.doc,<span class="literal">"Timestamp"</span>,mbNsUrl);
|
|
701
|
timestamp.appendChild(objRef.doc.createTextNode(times[j]));
|
|
702
|
objRef.timestampList.appendChild(timestamp);
|
|
703
|
}
|
|
704
|
}
|
|
705
|
objRef.setExtension(objRef.timestampList);
|
|
706
|
}
|
|
707
|
}
|
|
708
|
<span class="reserved">this</span>.addFirstListener( <span class="literal">"loadModel"</span>, <span class="reserved">this</span>.initTimeExtent, <span class="reserved">this</span> );
|
|
709
|
|
|
710
|
<span class="comment">/**
|
|
711
|
* clear the time extent created by initTimeExtent
|
|
712
|
* <span class="attrib">@param</span> objRef reference to this model
|
|
713
|
*/</span>
|
|
714
|
<span class="reserved">this</span>.clearTimeExtent = <span class="reserved">function</span>( objRef ) {
|
|
715
|
var tsList = objRef.timestampList;
|
|
716
|
<span class="reserved">if</span> (tsList) {
|
|
717
|
tsList.parentNode.removeChild(tsList);
|
|
718
|
}
|
|
719
|
}
|
|
720
|
<span class="reserved">this</span>.addListener(<span class="literal">"newModel"</span>, <span class="reserved">this</span>.clearTimeExtent, <span class="reserved">this</span>);
|
|
721
|
|
|
722
|
<span class="comment">/**
|
|
723
|
* Returns the current timestamp value.
|
|
724
|
* <span class="attrib">@param</span> layerName the name of the Layer from which the timestamp list was generated
|
|
725
|
* <span class="attrib">@return</span> the current timestamp value.
|
|
726
|
*/</span>
|
|
727
|
<span class="reserved">this</span>.getCurrentTimestamp = <span class="reserved">function</span>( layerName ) {
|
|
728
|
var index = <span class="reserved">this</span>.getParam(<span class="literal">"timestamp"</span>);
|
|
729
|
<span class="reserved">return</span> getNodeValue(<span class="reserved">this</span>.timestampList.childNodes[index]);
|
|
730
|
}
|
|
731
|
|
|
732
|
}
|
|
733
|
</pre>
|
|
734
|
<hr>
|
|
735
|
|
|
736
|
|
|
737
|
|
|
738
|
<!-- ========== START OF NAVBAR ========== -->
|
|
739
|
<a name="navbar_top"><!-- --></a>
|
|
740
|
<table border="0" width="100%" cellpadding="1" cellspacing="0">
|
|
741
|
<tr>
|
|
742
|
<td colspan=2 bgcolor="#EEEEFF" class="NavBarCell1">
|
|
743
|
<a name="navbar_top_firstrow"><!-- --></a>
|
|
744
|
<table border="0" cellpadding="0" cellspacing="3">
|
|
745
|
<tr align="center" valign="top">
|
|
746
|
|
|
747
|
|
|
748
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-summary.html"><font class="NavBarFont1"><b>Overview</b></font></a> </td>
|
|
749
|
<td bgcolor="#FFFFFF" class="NavBarCell1Rev"> <font class="NavBarFont1Rev"><b>File</b></font> </td>
|
|
750
|
|
|
751
|
|
|
752
|
<td bgcolor="#FFFFFF" class="NavBarCell1"> <font class="NavBarFont1">Class</font> </td>
|
|
753
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-tree.html"><font class="NavBarFont1"><b>Tree</b></font></a> </td>
|
|
754
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="index-all.html"--><font class="NavBarFont1"><b>Index</b></font></a> </td>
|
|
755
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="help-doc.html"><font class="NavBarFont1"><b>Help</b></font></a> </td>
|
|
756
|
</tr>
|
|
757
|
</table>
|
|
758
|
</td>
|
|
759
|
<td bgcolor="#EEEEFF" align="right" valign="top"><em>
|
|
760
|
<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
|
|
761
|
</td>
|
|
762
|
</tr>
|
|
763
|
|
|
764
|
<tr>
|
|
765
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
|
766
|
PREV
|
|
767
|
NEXT</font></td>
|
|
768
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
|
769
|
<a href="index.html" target="_top"><b>FRAMES</b></a>
|
|
770
|
<a href="overview-summary.html" target="_top"><b>NO FRAMES</b></a>
|
|
771
|
|
|
772
|
<script>
|
|
773
|
<!--
|
|
774
|
if(window==top) {
|
|
775
|
document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
|
|
776
|
}
|
|
777
|
//-->
|
|
778
|
</script>
|
|
779
|
<noscript>
|
|
780
|
<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
|
|
781
|
</noscript>
|
|
782
|
</font></td>
|
|
783
|
</tr>
|
|
784
|
</table>
|
|
785
|
<!-- =========== END OF NAVBAR =========== -->
|
|
786
|
|
|
787
|
<hr>
|
|
788
|
<font size="-1">
|
|
789
|
|
|
790
|
</font>
|
|
791
|
<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Sun Apr 27 20:30:54 2008</div>
|
|
792
|
</body>
|
|
793
|
</html>
|