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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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<center>
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<h2>ToolBase.js</h2>
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<h4>Summary</h4>
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No overview generated for 'ToolBase.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="ToolBase.html">ToolBase</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: ToolBase.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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* Base Tool object that all Tools extend.
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@author</span> Mike Adair mike.adairATccrs.nrcan.gc.ca
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* <span class="attrib">@param</span> toolNode The tool node from the Config XML file.
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* <span class="attrib">@param</span> model The widget object which created this tool.
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*/</span>
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<span class="reserved">function</span> ToolBase(toolNode, model) {
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<span class="reserved">this</span>.model = model;
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<span class="reserved">this</span>.toolNode = toolNode;
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<span class="comment">
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//set the ID for this tool</span>
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var id = toolNode.selectSingleNode(<span class="literal">"@id"</span>);
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<span class="reserved">if</span> (id) {
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<span class="reserved">this</span>.id = getNodeValue(id);
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} <span class="reserved">else</span> {
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<span class="reserved">this</span>.id = <span class="literal">"MbTool_"</span> + mbIds.getId();
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}
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<span class="comment">/**
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* Initialize the targetModel property to point to the object. This happens
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* as an init listener to ensure that the referenced model has been created.
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* <span class="attrib">@param</span> toolRef Pointer to this object.
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*/</span>
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<span class="reserved">this</span>.initTargetModel = <span class="reserved">function</span>(toolRef) {
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<span class="comment">/** The model this tool will update. */</span>
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var targetModel = toolRef.toolNode.selectSingleNode(<span class="literal">"mb:targetModel"</span>);
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<span class="reserved">if</span> (targetModel) {
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var targetModelName = getNodeValue(targetModel);
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<span class="comment"> //toolRef.targetModel = eval("config.objects."+targetModelName);</span>
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toolRef.targetModel = window.config.objects[targetModelName];
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<span class="reserved">if</span> (!toolRef.targetModel) alert(mbGetMessage(<span class="literal">"noTargetModelTool"</span>, targetModelName, toolRef.id));
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} <span class="reserved">else</span> {
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toolRef.targetModel = toolRef.model;
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}
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}
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<span class="reserved">this</span>.model.addListener( <span class="literal">"init"</span>, <span class="reserved">this</span>.initTargetModel, <span class="reserved">this</span> );
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<span class="comment">/**
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* Initialize the mouseHandler property to point to the object. This happens
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* as an init listener to ensure that the referenced model has been created.
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* <span class="attrib">@param</span> toolRef Pointer to this object.
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*/</span>
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<span class="reserved">this</span>.initMouseHandler = <span class="reserved">function</span>(toolRef) {
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<span class="comment">/** Mouse handler which this tool will register listeners with. */</span>
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var mouseHandler = toolRef.toolNode.selectSingleNode(<span class="literal">"mb:mouseHandler"</span>);
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<span class="reserved">if</span> (mouseHandler) {
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toolRef.mouseHandler = window.config.objects[getNodeValue(mouseHandler)];
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<span class="reserved">if</span> (!toolRef.mouseHandler) {
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alert(mbGetMessage(<span class="literal">"noMouseHandlerTool"</span>, getNodeValue(mouseHandler), toolRef.id));
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}
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}
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}
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<span class="reserved">this</span>.model.addListener( <span class="literal">"init"</span>, <span class="reserved">this</span>.initMouseHandler, <span class="reserved">this</span> );
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<span class="comment">/**
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* Convenient access to Mapbuilder.getProperty
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* <span class="attrib">@param</span> property property to get
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* <span class="attrib">@param</span> default value to use if property is not set
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* <span class="attrib">@return</span> the value for the property
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*/</span>
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<span class="reserved">this</span>.getProperty = <span class="reserved">function</span>(property, defaultValue) {
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<span class="reserved">return</span> Mapbuilder.getProperty(toolNode, property, defaultValue);
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}
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<span class="comment">
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//tools enabled by default; can set to false in config for initial loading</span>
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<span class="reserved">this</span>.enabled = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:enabled"</span>, true));
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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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<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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