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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>DeleteFeature.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 'DeleteFeature.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="DeleteFeature.html">DeleteFeature</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: DeleteFeature.js 3879 2008-02-27 14:20:29Z gjvoosten $
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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/ButtonBase.js"</span>);
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<span class="comment">/**
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* When this button is pressed a WFS-T DeleteFeature transaction will be started.
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> ButtonBase
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* <span class="attrib">@author</span> Cameron Shorter
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* <span class="attrib">@param</span> widgetNode The widget node from the Config XML file.
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* <span class="attrib">@param</span> model The model for this widget
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*/</span>
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<span class="reserved">function</span> DeleteFeature(widgetNode, model) {
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<span class="comment"> // Extend ButtonBase</span>
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ButtonBase.apply(<span class="reserved">this</span>, new Array(widgetNode, model));
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<span class="comment">
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// override default cursor by user</span>
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<span class="comment"> // cursor can be changed by spefying a new cursor in config file</span>
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<span class="reserved">this</span>.cursor = <span class="literal">"default"</span>;
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<span class="reserved">this</span>.trm=<span class="reserved">this</span>.getProperty(<span class="literal">"mb:transactionResponseModel"</span>);
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<span class="reserved">this</span>.tm=<span class="reserved">this</span>.getProperty(<span class="literal">"mb:targetModel"</span>);
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<span class="reserved">this</span>.tc=<span class="reserved">this</span>.getProperty(<span class="literal">"mb:targetContext"</span>);
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<span class="reserved">this</span>.httpPayload=new Object();
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<span class="reserved">this</span>.httpPayload.url=<span class="reserved">this</span>.getProperty(<span class="literal">"mb:webServiceUrl"</span>);
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<span class="reserved">this</span>.httpPayload.method=<span class="literal">"post"</span>;
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<span class="comment">/** Xsl to convert Feature into a WFS Transaction Delete. */</span>
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<span class="reserved">this</span>.deleteXsl=new XslProcessor(baseDir+<span class="literal">"/tool/xsl/wfs_Delete.xsl"</span>);
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<span class="comment">/** creates the OL control for this button */</span>
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<span class="reserved">this</span>.createControl = <span class="reserved">function</span>(objRef) {
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var Control = OpenLayers.Class(OpenLayers.Control, {
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CLASS_NAME: <span class="literal">'mbDeleteFeature'</span>,
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type: OpenLayers.Control.TYPE_BUTTON
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});
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<span class="reserved">return</span> Control;
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}
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<span class="comment">/**
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* Start a WFS-T DeleteFeature transaction.
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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>.doSelect = <span class="reserved">function</span>(objRef, selected) {
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<span class="reserved">if</span> (selected){
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<span class="comment"> // Model that will be populated with the WFS response.</span>
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<span class="reserved">if</span> (!objRef.transactionResponseModel){
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objRef.transactionResponseModel=window.config.objects[objRef.trm];
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objRef.transactionResponseModel.addListener(<span class="literal">"loadModel"</span>,objRef.handleResponse, objRef);
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}
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<span class="reserved">if</span> (!objRef.targetModel){
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objRef.targetModel=window.config.objects[objRef.tm];
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}
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<span class="reserved">if</span> (!objRef.targetContext){
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objRef.targetContext=window.config.objects[objRef.tc];
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}
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fid=objRef.targetModel.getXpathValue(objRef.targetModel,<span class="literal">"//@fid"</span>);
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<span class="comment"> //if fid exists, then we are deleting an existing feature.</span>
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<span class="reserved">if</span> (objRef.targetModel.doc && fid){
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s=objRef.deleteXsl.transformNodeToObject(objRef.targetModel.doc);
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objRef.httpPayload.postData=s;
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objRef.transactionResponseModel.transactionType=<span class="literal">"delete"</span>;
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objRef.transactionResponseModel.newRequest(objRef.transactionResponseModel,objRef.httpPayload);
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}<span class="reserved">else</span> alert(mbGetMessage(<span class="literal">"noFeatureToDelete"</span>));
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}
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}
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<span class="comment">/**
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* If transaction was sucessful, refresh the map and remove contents of
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* FeatureList. This function is called after the TransactionResponseModel
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* has been updated.
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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>.handleResponse=<span class="reserved">function</span>(objRef){
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<span class="reserved">if</span> (objRef.transactionResponseModel.transactionType==<span class="literal">"delete"</span>) {
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success=objRef.transactionResponseModel.doc.selectSingleNode(<span class="literal">"//wfs:TransactionResult/wfs:Status/wfs:SUCCESS"</span>);
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<span class="reserved">if</span> (success){
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<span class="comment"> // Remove FeatureList if feature entry was successful.</span>
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objRef.targetModel.setModel(objRef.targetModel,null);
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<span class="comment">
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// Repaint GmlRenderers</span>
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objRef.targetModel.callListeners(<span class="literal">"refreshGmlRenderers"</span>);
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<span class="comment">
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// Repaint the WMS layers</span>
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objRef.targetContext.callListeners(<span class="literal">"refreshWmsLayers"</span>);
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}
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}
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}
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}
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</pre>
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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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