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/*
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Author: Mike Adair
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id$
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*/
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// Ensure this object's dependancies are loaded.
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mapbuilder.loadScript(baseDir+"/widget/MapContainerBase.js");
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/**
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* Widget to render a single map layer from an OGC context document.
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* TBD: not yet completed.
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* @constructor
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* @base MapContainerBase
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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 MapImage(widgetNode, model) {
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WidgetBase.apply(this,new Array(widgetNode, model));
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this.paint = function(objRef) {
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if (objRef.model.doc && objRef.node) {
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objRef.prePaint(objRef);
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//confirm inputs
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//set to output to a temporary node
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//hack to get by doc parsing problem in IE
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//the firstChild of tempNode will be the root element output by the stylesheet
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var outputNode = document.getElementById( objRef.outputNodeId );
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var tempNode = document.createElement("DIV");
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//here the model document is an image
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tempNode.style.position="absolute";
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tempNode.style.top=0;
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tempNode.style.left=0;
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tempNode.appendChild(objRef.model.doc); //!!doc is an IMG object
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tempNode.setAttribute("id", objRef.outputNodeId);
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//look for this widgets output and replace if found,
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//otherwise append it
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if (outputNode) {
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objRef.node.replaceChild(tempNode,outputNode);
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} else {
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objRef.node.appendChild(tempNode);
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}
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objRef.postPaint(objRef);
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}
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}
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this.model.addListener("refresh",this.paint, this);
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MapContainerBase.apply(this,new Array(widgetNode, model));
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/**
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* Override of widget prepaint to set the width and height of the Map layer
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* document.
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* @param objRef Pointer to this object.
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*/
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this.prePaint = function(objRef) {
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objRef.model.doc.width = objRef.containerModel.getWindowWidth();
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objRef.model.doc.height = objRef.containerModel.getWindowHeight();
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}
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}
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