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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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<center>
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<h2>WidgetBaseXSL.js</h2>
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<h4>Summary</h4>
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No overview generated for 'WidgetBaseXSL.js'<BR/><BR/>
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<td colspan=2><font size="+2">
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<b>Class Summary</b>
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</font></td>
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</tr>
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<tr bgcolor="white" class="TableRowColor">
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<td width="15%"><b><a href="WidgetBaseXSL.html">WidgetBaseXSL</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: WidgetBaseXSL.js 3892 2008-02-29 18:21:12Z ahocevar $
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*/</span>
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mapbuilder.loadScript(baseDir+<span class="literal">"/widget/WidgetBase.js"</span>);
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<span class="comment">/**
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* Base Class for widgets. Associates a node on the page with a stylesheet and
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* model. All widgets must extend this base class.
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* Defines the default paint() method for all widgets which is where the
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* stylesheet is applied to the model XML document.
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* To override widget.paint(), define it before calling this constructor.
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* The stylesheet URL defaults to "widget/<widgetName>.xsl" if it is not defined
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* in config file. Set a stylesheet property containing an XSL URL in config
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* to customize the stylesheet used.
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* All stylesheets will have "modelId" and "widgetId" parameters set when called.
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*
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> WidgetBase
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* <span class="attrib">@author</span> Mike Adair
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* <span class="attrib">@param</span> widget Pointer to the widget instance being created
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* <span class="attrib">@param</span> widgetNode The widget's XML object node from the configuration document.
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* <span class="attrib">@param</span> model The model object that this widget belongs to.
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*/</span>
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<span class="reserved">function</span> WidgetBaseXSL(widgetNode,model) {
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<span class="comment"> // Extend WidgetBase</span>
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WidgetBase.apply(<span class="reserved">this</span>, new Array(widgetNode, model));
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<span class="comment">
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// Set this.stylesheet</span>
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<span class="comment"> // Defaults to "widget/<widgetName>.xsl" if not defined in config file.</span>
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<span class="reserved">if</span> ( !<span class="reserved">this</span>.stylesheet ) {
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<span class="reserved">this</span>.stylesheet = new XslProcessor(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:stylesheet"</span>, baseDir+<span class="literal">"/widget/"</span>+widgetNode.nodeName+<span class="literal">".xsl"</span>, model.namespace));
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}
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<span class="comment">
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// Do we allow to parse HTML nodes?</span>
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<span class="reserved">this</span>.parseHTMLNodes = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:parseHTMLNodes"</span>, false));
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<span class="comment">
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// Set widget text values as parameters </span>
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<span class="reserved">if</span> (config.widgetText) {
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var textNodeXpath = <span class="literal">"/mb:WidgetText/mb:widgets/mb:"</span> + widgetNode.nodeName;
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var textParams = config.widgetText.selectNodes(textNodeXpath+<span class="literal">"/*"</span>);
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<span class="reserved">for</span> (var j=0;j<textParams.length;j++) {
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<span class="reserved">this</span>.stylesheet.setParameter(textParams[j].nodeName,getNodeValue(textParams[j]));
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}
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}
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<span class="comment">
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// Set stylesheet parameters for all the child nodes from the config file</span>
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<span class="reserved">for</span> (var j=0;j<widgetNode.childNodes.length;j++) {
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<span class="reserved">if</span> (widgetNode.childNodes[j].firstChild)
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{
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<span class="reserved">this</span>.stylesheet.setParameter(
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widgetNode.childNodes[j].nodeName, widgetNode.childNodes[j].firstChild.nodeValue);
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}
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}
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<span class="comment">
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//all stylesheets will have these properties available</span>
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"modelId"</span>, <span class="reserved">this</span>.model.id );
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"modelTitle"</span>, <span class="reserved">this</span>.model.title );
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"widgetId"</span>, <span class="reserved">this</span>.id );
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"skinDir"</span>, config.skinDir );
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"lang"</span>, config.lang );
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<span class="comment">/**
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* Render the widget.
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* <span class="attrib">@param</span> objRef Pointer to widget object.
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*/</span>
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<span class="reserved">this</span>.paint = <span class="reserved">function</span>(objRef, refreshId) {
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<span class="comment">
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//pass in a widget ID to refresh only that widget</span>
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<span class="reserved">if</span> (refreshId && (refreshId!=objRef.id)) <span class="reserved">return</span>;
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<span class="reserved">if</span> (objRef.model.doc && objRef.getNode()) {
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objRef.stylesheet.setParameter(<span class="literal">"modelUrl"</span>, objRef.model.url);
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objRef.stylesheet.setParameter(<span class="literal">"targetModelId"</span>, objRef.targetModel.id );
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<span class="comment">
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//if (objRef.debug) mbDebugMessage(objRef, "source:"+(new XMLSerializer()).serializeToString(objRef.model.doc));</span>
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objRef.resultDoc = objRef.model.doc; // resultDoc sometimes modified by prePaint()
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objRef.model.setParam(<span class="literal">"prePaint"</span>, objRef);
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objRef.prePaint(objRef);
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<span class="comment">
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//confirm inputs</span>
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<span class="reserved">if</span> (objRef.debug) mbDebugMessage(objRef, <span class="literal">"prepaint:"</span>+(new XMLSerializer()).serializeToString(objRef.resultDoc));
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<span class="reserved">if</span> (objRef.debug) mbDebugMessage(objRef, <span class="literal">"stylesheet:"</span>+(new XMLSerializer()).serializeToString(objRef.stylesheet.xslDom));
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<span class="comment">
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//set to output to a temporary node</span>
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<span class="comment"> //hack to get by doc parsing problem in IE</span>
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<span class="comment"> //the firstChild of tempNode will be the root element output by the stylesheet</span>
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var outputNode = document.getElementById( objRef.outputNodeId );
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var tempNode = document.createElement(<span class="literal">"DIV"</span>);
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<span class="comment">
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//process the doc with the stylesheet</span>
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var s = objRef.stylesheet.transformNodeToString(objRef.resultDoc);
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<span class="reserved">if</span> (config.serializeUrl && objRef.debug) postLoad(config.serializeUrl, s);
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<span class="reserved">if</span> (objRef.debug) mbDebugMessage(objRef, <span class="literal">"painting:"</span>+objRef.id+<span class="literal">":"</span>+s);
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tempNode.innerHTML = objRef.parseHTMLNodes ? Sarissa.unescape(s) : s;
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<span class="reserved">if</span>( tempNode.firstChild != null ) { //Could be null!
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tempNode.firstChild.setAttribute(<span class="literal">"id"</span>, objRef.outputNodeId);
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<span class="comment">
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//look for this widgets output and replace if found,</span>
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<span class="comment"> //otherwise append it</span>
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<span class="reserved">if</span> (outputNode) {
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objRef.getNode().replaceChild(tempNode.firstChild,outputNode);
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} <span class="reserved">else</span> {
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objRef.getNode().appendChild(tempNode.firstChild);
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}
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}
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objRef.postPaint(objRef);
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objRef.model.setParam(<span class="literal">"postPaint"</span>, objRef);
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}
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}
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<span class="comment"> // Call paint when model changes</span>
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<span class="reserved">this</span>.model.addListener(<span class="literal">"refresh"</span>,<span class="reserved">this</span>.paint, <span class="reserved">this</span>);
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}
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</pre>
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<td bgcolor="#EEEEFF" align="right" valign="top"><em>
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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<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>
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