The MathJax librairy is detected and loaded by the framework.

controllers/plugin_dbui.py

@@ -77,12 +77,16 @@ def index():
 	path = os.path.join(server_path, 'static', 'plugin_extjs')
 	if not os.path.exists(path):
 		raise HTTP(500, 'The plugin extjs is not install !')
+
+	# is the plugin MatJax ?
+	path = os.path.join(server_path, 'static', 'plugin_mathjax')
+	withMathJax = (True if os.path.exists(path) else False)
 	
 	# option debug
 	debug = "debug" in request.get_vars
 
 	# option script
-	script = (request.get_vars.script if "script" in request.get_vars else "default")
+	script = (request.vars.script if "script" in request.vars else "default")
 		
 	if not script.endswith(".js"):
 		script = '%s.js' % script
@@ -124,7 +128,7 @@ def index():
 		response.files.append(os.path.join(jpath, 'filter', 'NumericFilter.js'))
 		response.files.append(os.path.join(jpath, 'filter', 'StringFilter.js'))
 
-	# internationalization or localization
+	# internationalization or localization (fr, fr-fr, fr-ca, ...)
 	lg = T.accepted_language
 	if len(lg) == 5 and lg[0:2] == lg[3:5]: lg = lg[0:2]
 	response.files.append(os.path.join(extjs, 'src', 'locale', 'ext-lang-%s.js' % lg))
@@ -145,7 +149,7 @@ def index():
 	# page view
 	response.view = plugins.dbui.page_view
 
-	return dict(debug=debug)    
+	return dict(debug=debug, withMathJax=withMathJax)    
 
 
 def database():

static/plugin_dbui/lib/appbase.js

@@ -29,6 +29,12 @@ Ext.namespace('App');
  */
 App.dburl = '/' + App.name + '/plugin_dbui/database';
 
+/**
+ * @cfg {Boolean} App.withMathJax
+ * The plugin plugin MathJax is present
+ * This constants is defined by the server.
+ */
+
 /**
  * @cfg {Object} App.cfgSvcMethods 
  * Ext.direct.Provider exposing methods for a web service.
@@ -45,4 +51,12 @@ App.cfgSvcMethods = {
 	}
 };
 
+/**
+ * Helper function to load the MathJax librairy
+ * @param {Object} callback
+ */
+App.loadMathJax = function(callback){
+	var path = '/' + App.name + '/static/plugin_mathjax/MathJax.js';
+	Ext.Loader.load([path], callback);
+};
 

static/plugin_dbui/lib/apppanelmathjax.js

 /**
- * Plugin to render mathematics formula.
+ * Plugin to render mathematics formula embeded in html content.
  * The processing is performed by MathJax.
  * 
  * @version $Id$
@@ -12,39 +12,25 @@
  	
 	init: function(panel){
 
-		// load MathJs and wait
-		try {
-			MathJax;
-		} 
-		catch (ReferenceError) {
-			var task = new Ext.util.DelayedTask();
-			
-			Ext.Loader.load(['/' + App.name + '/static/plugin_mathjax/MathJax.js'], function(){
-				task.cancel();
-			});
-			
-			task.delay(5000);
-		}
-
-		// register a new listener when the panel is rendered for the first time
+		// register an handler which is activated only once
+		// when the panel is rendered for the first time
 		panel.on('render', this.onPanelRender, this, {single: true});
 	},
 
 	/**
-	 * Handler to register a listener when the panel is rendered 
-	 * for the first time. The listener activates the MathJax processing
+	 * Handler to activates the MathJax processing
 	 * when the html content of the panel is loaded.
 	 * 
-	 * @param {Object} p an Ext.Panel
+	 * @param {Ext.Panel} panel
 	 */	
-	onPanelRender: function(p){
-		var updater = p.body.getUpdater();
+	onPanelRender: function(panel){
+		var updater = panel.body.getUpdater();
 		updater.on('update', this.onProcess);
 	},
 
 	/**
 	 * Handler to run the mathJax processing
-	 * @param {Object} el Ext.Element
+	 * @param {Ext.Element} el 
 	 * @param {Object} o the response object	
 	 */
 	onProcess: function(e, o){