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/*
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: Abstract.js 2546 2007-01-23 12:07:39Z gjvoosten $
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*/
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// Ensure this object's dependencies are loaded.
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mapbuilder.loadScript(baseDir+"/widget/WidgetBaseXSL.js");
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/**
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* Show a layer's metadata
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* @constructor
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* @base WidgetBaseXSL
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* @param widgetNode The widget's XML object node from the configuration document.
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* @param model The model object that this widget belongs to.
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*/
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function LayerMetadata(widgetNode, model) {
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WidgetBaseXSL.apply(this,new Array(widgetNode, model));
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this.model.setParam("layerMetadata", true);
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/**
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* Toggles the visibility of a layer's metadata
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* @param layerNode Dom element containing the OWS layer
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* @param domNode Pointer the Dom element where the metadata should
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* be shown
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*/
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this.paint = function(objRef, params) {
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var layerNode = objRef.model.getLayer(params.layerId);
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var domNode = document.getElementById(params.domNodeId);
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if (!domNode || !layerNode) {
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return;
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}
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// If clicked and metadata was visible, hide it and do nothing
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if (domNode.style.display && (domNode.style.display != "none") && (domNode.innerHTML != "")) {
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domNode.style.display = "none";
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return false;
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}
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// add the layerNode as a parameter to the XSL
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objRef.stylesheet.setParameter("layerNode", layerNode);
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// create meta HTML
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var metadataHtml = objRef.stylesheet.transformNodeToString(objRef.model.doc);
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// insert the metadata HTML in the designated Dom Element
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domNode.innerHTML = metadataHtml;
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// make it visible
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domNode.style.display = "block";
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// debug info. TBD: remove
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//console.info((new XMLSerializer()).serializeToString(layerNode));
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}
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this.model.addListener("layerMetadata", this.paint, this);
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}
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