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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
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parent.document.title="Legend.js Overview";
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<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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<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
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<hr>
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<center>
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<h2>Legend.js</h2>
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</center>
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<h4>Summary</h4>
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<p>
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No overview generated for 'Legend.js'<BR/><BR/>
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</p>
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<hr>
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<table border="1" cellpadding="3" cellspacing="0" width="100%">
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<tr bgcolor="#CCCCFF" class="TableHeadingColor">
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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="Legend.html">Legend</a></b></td>
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<td> </td>
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</tr>
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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: Legend.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">"/widget/WidgetBaseXSL.js"</span>);
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<span class="comment">/**
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* Functions to render and update a Legend from a Web Map Context.
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> WidgetBaseXSL
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* <span class="attrib">@author</span> Cameron Shorter cameronATshorter.net
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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> Legend(widgetNode, model) {
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WidgetBaseXSL.apply(<span class="reserved">this</span>,new Array(widgetNode, model));
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<span class="reserved">this</span>.model.addListener(<span class="literal">"deleteLayer"</span>,<span class="reserved">this</span>.refresh, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"moveLayerUp"</span>,<span class="reserved">this</span>.refresh, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"moveLayerDown"</span>,<span class="reserved">this</span>.refresh, <span class="reserved">this</span>);
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<span class="reserved">if</span> (<span class="reserved">this</span>.autoRefresh) <span class="reserved">this</span>.model.addListener(<span class="literal">"addLayer"</span>,<span class="reserved">this</span>.refresh, <span class="reserved">this</span>);
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<span class="comment">/**
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* Override of widget prepaint to set some stylesheet parameters including
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* featureName (for OWS Context) and hidden attribute.
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* <span class="attrib">@param</span> objRef Pointer to this object.
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*/</span>
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<span class="reserved">this</span>.prePaint = <span class="reserved">function</span>(objRef) {
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<span class="reserved">if</span> (objRef.model.featureName) {
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objRef.stylesheet.setParameter(<span class="literal">"featureName"</span>, objRef.model.featureName );
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objRef.stylesheet.setParameter(<span class="literal">"hidden"</span>, objRef.model.getHidden(objRef.model.featureName).toString() );
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}
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objRef.visibleLayer = Mapbuilder.getProperty(objRef.model.doc, objRef.model.nodeSelectXpath+<span class="literal">"[@hidden='0' and @opaque='1']/wmc:Name"</span>);
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}
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}
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<span class="comment">/**
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* Listener method to paint this widget
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* <span class="attrib">@param</span> layerName the name of the layer to highlight
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*/</span>
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Legend.<span class="reserved">prototype</span>.refresh = <span class="reserved">function</span>(objRef, layerName) {
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objRef.paint(objRef, objRef.id);
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}
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<span class="comment">/**
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* Controller method to select a layer
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* <span class="attrib">@param</span> objRef Pointer to this object.
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* <span class="attrib">@param</span> layer The selected layer.
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*/</span>
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Legend.<span class="reserved">prototype</span>.selectLayer = <span class="reserved">function</span>(objRef,layer) {
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objRef.model.setParam(<span class="literal">'selectedLayer'</span>,layer);
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}
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<span class="comment">/**
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* Controller method to select a layer
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* <span class="attrib">@param</span> objRef Pointer to this object.
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* <span class="attrib">@param</span> layer The selected layer.
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*/</span>
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Legend.<span class="reserved">prototype</span>.swapOpaqueLayer = <span class="reserved">function</span>(layer) {
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<span class="reserved">this</span>.model.setHidden(<span class="reserved">this</span>.visibleLayer, true);
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<span class="reserved">this</span>.model.setHidden(layer, false);
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<span class="reserved">this</span>.visibleLayer = layer;
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}
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</pre>
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<hr>
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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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<script>
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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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