Fixing bug #152 (pressing "T" doens't leave a trail in the particle samples o...

samples/o3djs/event.js

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 114 matching lines @@
   return 'U+' + o3djs.event.padWithLeadingZeroes(keyStr, 4);
 };
 
 
 /** Takes a keyIdentifier string and remaps it to an ASCII/Unicode value
  *  suitable for javascript event handling.
  * @param {string} keyIdent a keyIdentifier string as generated above.
  * @return {number} the numeric Unicode code point represented.
  */
 o3djs.event.keyIdentifierToChar = function(keyIdent) {
-  if (keyIdent) {
+  if (keyIdent && typeof(keyIdent) == 'string') {
     switch (keyIdent) {
       case 'Enter': return 13;
       case 'Left': return 37;
       case 'Right': return 39;
       case 'Up': return 38;
       case 'Down': return 40;
     }
-  if (keyIdent.indexOf('U+') == 0)
-    return parseInt(keyIdent.substr(2).toUpperCase(), 16);
+    if (keyIdent.indexOf('U+') == 0)
+      return parseInt(keyIdent.substr(2).toUpperCase(), 16);
   }
   return 0;
 };
 
 /**
  *  Extracts the key char in number form from the event, in a cross-browser
  *  manner.
  * @param {!Event} event .
  * @return {number} unicode code point for the key.
  */
 o3djs.event.getEventKeyChar = function(event) {
   if (!event) {
     event = window.event;
   }
   var charCode = 0;
-  if (event.keyIdentifier)
+  if (event.keyIdentifier) 
     charCode = o3djs.event.keyIdentifierToChar(event.keyIdentifier);
   if (!charCode)
     charCode = (window.event) ? window.event.keyCode : event.charCode;
   if (!charCode)
     charCode = event.keyCode;
   return charCode;
 };
 
 
 /**
@@ skipping 180 matching lines @@
   for (var index in listenerSet) {
     if (listenerSet[index] == handler) {
       if (listenerSet.length == 1) {
         pluginObject.client.clearEventCallback(type);
       }
       listenerSet.splice(index, 1);
       break;
     }
   }
 };