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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>TipWidgetOL.js</h2>
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<h4>Summary</h4>
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No overview generated for 'TipWidgetOL.js'<BR/><BR/>
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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="TipWidgetOL.html">TipWidgetOL</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: TipWidgetOL.js 3955 2008-03-31 13:00:49Z 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/TipWidgetBase.js"</span>);
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mapbuilder.loadScript(baseDir+<span class="literal">"/util/openlayers/OpenLayers.js"</span>);
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<span class="comment">/**
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* Manages MapTips on the map. This widget works with models that
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* have a FeatureSelectHandler tool.
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* <span class="attrib">@base</span> TipWidgetBase
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* <span class="attrib">@author</span> Andreas Hocevar andreas.hocevarATgmail.com
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* <span class="attrib">@param</span> widgetNode The tool node from the Config XML file.
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* <span class="attrib">@param</span> model The ButtonBar widget.
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*/</span>
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<span class="reserved">function</span> TipWidgetOL(widgetNode, model) {
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TipWidgetBase.apply(<span class="reserved">this</span>, new Array(widgetNode, model));
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<span class="comment">/**
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* This method is triggered when a user clicks on a feature.
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* <span class="attrib">@param</span> objRef reference to this widget
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*/</span>
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<span class="reserved">this</span>.onClick = <span class="reserved">function</span>(objRef) {
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var evt = objRef.model.getParam(<span class="literal">"olFeatureSelect"</span>);
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var popup = objRef.createPopup(objRef, evt, false);
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evt.feature.layer.mbClickPopup = popup;
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}
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<span class="comment">/**
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* This method is triggered when the mouse is over a feature.
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* <span class="attrib">@param</span> objRef reference to this widget
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*/</span>
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<span class="reserved">this</span>.onMouseover = <span class="reserved">function</span>(objRef) {
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var evt = objRef.model.getParam(<span class="literal">"olFeatureHover"</span>);
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<span class="comment"> // only create popup if there is no visible click popup</span>
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<span class="reserved">if</span> (evt.feature && !evt.feature.layer.mbClickPopup || !evt.feature.layer.mbClickPopup.visible()) {
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var popup = objRef.createPopup(objRef, evt, true);
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evt.feature.layer.mbHoverPopup = popup;
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<span class="comment"> // if the olFeatureOut event gets lost (eg during drag operation),</span>
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<span class="comment"> // registering this additional event will help to get rid of the</span>
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<span class="comment"> // popup quickly</span>
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popup.events.register(<span class="literal">'mouseover'</span>, popup, popup.hide);
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}
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}
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<span class="comment">/**
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* This method is triggered when the mouse moves out of a feature.
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* <span class="attrib">@param</span> objRef reference to this widget
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*/</span>
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<span class="reserved">this</span>.onMouseout = <span class="reserved">function</span>(objRef) {
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var feature = objRef.model.getParam(<span class="literal">"olFeatureOut"</span>);
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<span class="reserved">if</span> (feature && feature.layer && feature.layer.mbHoverPopup) {
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feature.layer.mbHoverPopup.destroy();
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feature.layer.mbHoverPopup = null;
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}
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}
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<span class="comment">/**
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* Creates a popup.
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* <span class="attrib">@param</span> objRef reference to this widget
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* <span class="attrib">@param</span> evt OpenLayers.Event that triggered the popup action
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* <span class="attrib">@param</span> hover true if the popup should be styled as a hover popup,
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* false if it is a click popup.
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* <span class="attrib">@return</span> reference to the created popup
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*/</span>
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<span class="reserved">this</span>.createPopup = <span class="reserved">function</span>(objRef, evt, hover) {
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var feature = evt.feature;
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<span class="comment"> // check if there is a source model linked with this feature</span>
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var sourceNode = objRef.model.doc.selectSingleNode(<span class="literal">"//*[@fid='"</span>+feature.fid+<span class="literal">"']"</span>);
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var sourceModel = null;
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<span class="reserved">if</span> (sourceNode) {
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sourceModel = sourceNode.getAttribute(<span class="literal">'sourceModel'</span>);
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}
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<span class="comment"> // if so, use the config from the source model</span>
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var widgetConfig = null;
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<span class="reserved">if</span> (sourceModel && config.objects[sourceModel].config && config.objects[sourceModel].config[objRef.id]) {
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widgetConfig = config.objects[sourceModel].config[objRef.id];
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} <span class="reserved">else</span> {
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widgetConfig = objRef.config;
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}
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widgetConfig.stylesheet.setParameter(<span class="literal">'fid'</span>, feature.fid);
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var lonlat = feature.layer.map.getLonLatFromPixel(evt.xy);
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var popup = new Mapbuilder.Popup(null, lonlat, new OpenLayers.Size(widgetConfig.width, widgetConfig.height),
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new XMLSerializer().serializeToString(widgetConfig.stylesheet.transformNodeToObject(widgetConfig.model.doc)).replace(/&lt;/g,<span class="literal">"<"</span>).replace(/&gt;/g,<span class="literal">">"</span>).replace(/&amp;/g,<span class="literal">"&"</span>),
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null, hover == false);
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popup.setOpacity(widgetConfig.opacity);
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popup.setBackgroundColor(widgetConfig.backgroundColor);
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popup.setBorder(widgetConfig.border);
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var quadrant = feature.layer.map.getExtent().determineQuadrant(lonlat);
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var lonOffset = quadrant.charAt(1) == <span class="literal">'r'</span> ? -5 : 5;
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var latOffset = quadrant.charAt(0) == <span class="literal">'t'</span> ? 5 : -5;
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popup.anchor = { size: new OpenLayers.Size(0,0), offset: new OpenLayers.Pixel(lonOffset, latOffset)};
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feature.layer.map.addPopup(popup, true);
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<span class="reserved">return</span> popup;
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}
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}
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<span class="comment">/**
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* Derived from OpenLayers.Popup (svn r6430) and
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* OpenLayers.Popup.Anchored (svn r5614), this class preserves the
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* functionality of OpenLayers.Popup.Anchored before the new style popups
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* of http://trac.openlayers.org/ticket/926 were introduced.
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*/</span>
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Mapbuilder.Popup = OpenLayers.Class(OpenLayers.Popup.Anchored, {
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initialize: <span class="reserved">function</span>(id, lonlat, size, contentHTML, anchor, closeBox,
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closeBoxCallback) {
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OpenLayers.Popup.Anchored.<span class="reserved">prototype</span>.initialize.apply(<span class="reserved">this</span>, arguments);
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<span class="reserved">this</span>.contentDiv.style.overflow = <span class="literal">"hidden"</span>;
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},
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setSize:<span class="reserved">function</span>(size) {
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<span class="reserved">if</span> (size != undefined) {
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<span class="reserved">this</span>.size = size;
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}
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<span class="reserved">if</span> (<span class="reserved">this</span>.div != null) {
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<span class="reserved">this</span>.div.style.width = <span class="reserved">this</span>.size.w + <span class="literal">"px"</span>;
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<span class="reserved">this</span>.div.style.height = <span class="reserved">this</span>.size.h + <span class="literal">"px"</span>;
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}
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<span class="reserved">if</span> (<span class="reserved">this</span>.contentDiv != null){
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<span class="reserved">this</span>.contentDiv.style.width = <span class="reserved">this</span>.size.w + <span class="literal">"px"</span>;
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<span class="reserved">this</span>.contentDiv.style.height = <span class="reserved">this</span>.size.h + <span class="literal">"px"</span>;
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}
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<span class="reserved">if</span> ((<span class="reserved">this</span>.lonlat) && (<span class="reserved">this</span>.map)) {
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var px = <span class="reserved">this</span>.map.getLayerPxFromLonLat(<span class="reserved">this</span>.lonlat);
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<span class="reserved">this</span>.moveTo(px);
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}
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},
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addCloseBox:<span class="reserved">function</span>(closeBoxCallback) {
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<span class="comment"> // close icon</span>
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var closeSize = new OpenLayers.Size(17,17);
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var img = config.skinDir + <span class="literal">"/openlayers/img/close.gif"</span>;
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<span class="reserved">this</span>.closeDiv = OpenLayers.Util.createAlphaImageDiv(
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<span class="reserved">this</span>.id + <span class="literal">"_close"</span>, null, closeSize, img
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);
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<span class="reserved">this</span>.closeDiv.style.right = <span class="reserved">this</span>.padding + <span class="literal">"px"</span>;
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<span class="reserved">this</span>.closeDiv.style.top = <span class="reserved">this</span>.padding + <span class="literal">"px"</span>;
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<span class="reserved">this</span>.groupDiv.appendChild(<span class="reserved">this</span>.closeDiv);
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var closePopup = closeBoxCallback || <span class="reserved">function</span>(e) {
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<span class="reserved">this</span>.hide();
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OpenLayers.Event.stop(e);
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};
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OpenLayers.Event.observe(<span class="reserved">this</span>.closeDiv, <span class="literal">"click"</span>,
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OpenLayers.Function.bindAsEventListener(closePopup, <span class="reserved">this</span>));
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},
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CLASS_NAME: <span class="literal">"Mapbuilder.Popup"</span>
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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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