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	   <h2>MergeModels.js</h2>
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<h4>Summary</h4>
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		No overview generated for 'MergeModels.js'<BR/><BR/>
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        <b>Class Summary</b>
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    <td width="15%"><b><a href="MergeModels.html">MergeModels</a></b></td>
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    <td>&nbsp;</td>
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<!-- ========== 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: MergeModels.js 3881 2008-02-27 15:41:07Z 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">"/tool/ToolBase.js"</span>);
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<span class="comment">/**
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 * Model that allows to merge multiple models into one. The first model
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 * determines the root node, other models are appended within the same
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 * root node.
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 * <span class="attrib">@constructor</span>
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 * <span class="attrib">@base</span> ToolBase
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 * <span class="attrib">@author</span> Andreas Hocevar andreas.hocevarATgmail.com
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 * <span class="attrib">@param</span> modelNode The model's XML object node from the configuration document
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 * <span class="attrib">@param</span> model model this tool belongs to.
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 */</span>
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<span class="reserved">function</span> MergeModels(toolNode, model) {
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<span class="comment">  // Inherit the ModelBase functions and parameters</span>
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  ToolBase.apply(<span class="reserved">this</span>, new Array(toolNode, model));
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  <span class="reserved">this</span>.template = null;
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  <span class="reserved">this</span>.init = <span class="reserved">function</span>(objRef) {
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    objRef.model.mergeModels = new Array();
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    var models = toolNode.selectSingleNode(<span class="literal">'mb:merges'</span>);
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    <span class="reserved">if</span> (models) {
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      var model = models.childNodes;
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      <span class="reserved">for</span> (var i = 0; i &lt; model.length; i++) {
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        <span class="reserved">if</span> (model[i].firstChild) {
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          objRef.addModel(objRef, config.objects[getNodeValue(model[i])]);
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        }
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      }
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    }
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  }
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<span class="comment">  // it is important to be registered before other tools that</span>
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<span class="comment">  // check for model.mergeModels</span>
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  model.addListener(<span class="literal">'init'</span>, <span class="reserved">this</span>.init, <span class="reserved">this</span>);
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  <span class="reserved">this</span>.getTemplate = <span class="reserved">function</span>(objRef) {
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    objRef.template = objRef.model.doc ? objRef.model.doc.cloneNode(true) : null;
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    <span class="reserved">if</span> (objRef.template) {
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      objRef.model.removeListener(<span class="literal">'loadModel'</span>, objRef.getTemplate, objRef);
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      objRef.buildModel(objRef);
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    }
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  }
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  model.addListener(<span class="literal">'loadModel'</span>, <span class="reserved">this</span>.getTemplate, <span class="reserved">this</span>);
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  <span class="reserved">this</span>.addModel = <span class="reserved">function</span>(objRef, model) {
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    objRef.model.mergeModels.push(model);
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    <span class="reserved">if</span> (model.doc) {
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      objRef.mergeModel(objRef, model.doc);
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    }
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    model.addListener(<span class="literal">'refresh'</span>, objRef.buildModel, objRef);
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  }
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  <span class="reserved">this</span>.mergeModel = <span class="reserved">function</span>(objRef, modelToMerge) {
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    var docToMerge = modelToMerge.doc ? modelToMerge.doc.cloneNode(true) : null;
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    var nodes = docToMerge ? docToMerge.selectNodes(<span class="literal">'//*[@fid]'</span>) : null;
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    <span class="reserved">if</span> (!nodes) <span class="reserved">return</span>;
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    var node;
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    <span class="reserved">for</span> (var i=0; i&lt;nodes.length; i++) {
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      node = nodes[i];
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      <span class="reserved">if</span> (node.nodeName) {
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        node.setAttribute(<span class="literal">'sourceModel'</span>, modelToMerge.id);
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      }
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    }    
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    Sarissa.copyChildNodes(docToMerge.documentElement, objRef.model.doc.documentElement, true);
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  }
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  <span class="reserved">this</span>.buildModel = <span class="reserved">function</span>(objRef) {
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    <span class="reserved">if</span> (!objRef.template) <span class="reserved">return</span>;
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    objRef.model.callListeners(<span class="literal">'newModel'</span>);
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    objRef.model.doc = objRef.template.cloneNode(true);
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    <span class="reserved">for</span> (var i=0; i&lt;objRef.model.mergeModels.length; i++) {
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      objRef.mergeModel(objRef, objRef.model.mergeModels[i]);
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    }
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    objRef.model.callListeners(<span class="literal">'loadModel'</span>);
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  }
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}
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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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