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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 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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<hr>
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<center>
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<h2>Locations.js</h2>
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<h4>Summary</h4>
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No overview generated for 'Locations.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="Locations.html">Locations</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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Author: Tom Kralidis
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: Locations.js 3821 2008-02-01 13:58:30Z 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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* Widget to display predefined locations (as per schema at lib/model/schemas/locations.xsd)
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* into a HTML select box. Changing a location will set the AOI of the targetModel.
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* TBD: projection coordinate conversion still to be implemented.
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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">@param</span> widgetNode This widget's object node from the configuration document.
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* <span class="attrib">@param</span> model The model that this widget is a view of.
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*/</span>
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<span class="reserved">function</span> Locations(widgetNode, model) {
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WidgetBaseXSL.apply(<span class="reserved">this</span>,new Array(widgetNode, model));
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<span class="comment">/**
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* Change the AOI coordinates from select box choice of prefined locations
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* <span class="attrib">@param</span> bbox the bbox value of the location keyword chosen
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* <span class="attrib">@param</span> targetModel the model on which to set the AOI
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* <span class="attrib">@param</span> srsName srs of the bbox
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*/</span>
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<span class="reserved">this</span>.setAoi = <span class="reserved">function</span>(bbox, targetModel, srsName) {
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var srsTokens = srsName.split(/[:#]/);
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srsName = <span class="literal">'EPSG:'</span>+srsTokens[srsTokens.length-1];
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<span class="reserved">if</span> (!srsName) {
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srsName = <span class="literal">'EPSG:4326'</span>;
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}
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var proj = new OpenLayers.Projection(srsName);
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var bboxArray = new Array();
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bboxArray = bbox.split(<span class="literal">","</span>);
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var ptUL=new OpenLayers.Geometry.Point(parseFloat(bboxArray[0]),parseFloat(bboxArray[3]));
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var ptLR=new OpenLayers.Geometry.Point(parseFloat(bboxArray[2]),parseFloat(bboxArray[1]));
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ptUL.transform(proj,<span class="reserved">this</span>.targetModel.proj);
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ptLR.transform(proj,<span class="reserved">this</span>.targetModel.proj);
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var ul = new Array(ptUL.x,ptUL.y);
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var lr = new Array(ptLR.x,ptLR.y);
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<span class="reserved">this</span>.targetModel.setParam(<span class="literal">"aoi"</span>,new Array(ul,lr));
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<span class="comment">
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//convert this.model XY to latlong</span>
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<span class="comment"> //convert latlong to targetmodel XY</span>
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<span class="reserved">this</span>.targetModel.map.zoomToExtent(new OpenLayers.Bounds(ul[0],lr[1],lr[0],ul[1]));
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}
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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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<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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