text: /*!
   * js-file-browser
   * Copyright(c) 2011 Biotechnology Computing Facility, University of Arizona. See included LICENSE.txt file.
   * 
   * With components from: Ext JS Library 3.3.1
   * Copyright(c) 2006-2010 Sencha Inc.
   * licensing@sencha.com
   * http://www.sencha.com/license
   */
  /*!
   * Ext JS Library 3.3.1
   * Copyright(c) 2006-2010 Sencha Inc.
   * licensing@sencha.com
   * http://www.sencha.com/license
   */
  /**
   * @class Ext.Element
   */
  Ext.Element.addMethods({
      /**
       * Stops the specified event(s) from bubbling and optionally prevents the default action
       * @param {String/Array} eventName an event / array of events to stop from bubbling
       * @param {Boolean} preventDefault (optional) true to prevent the default action too
       * @return {Ext.Element} this
       */
      swallowEvent : function(eventName, preventDefault) {
          var me = this;
          function fn(e) {
              e.stopPropagation();
              if (preventDefault) {
                  e.preventDefault();
              }
          }
          
          if (Ext.isArray(eventName)) {
              Ext.each(eventName, function(e) {
                   me.on(e, fn);
              });
              return me;
          }
          me.on(eventName, fn);
          return me;
      },
  
      /**
       * Create an event handler on this element such that when the event fires and is handled by this element,
       * it will be relayed to another object (i.e., fired again as if it originated from that object instead).
       * @param {String} eventName The type of event to relay
       * @param {Object} object Any object that extends {@link Ext.util.Observable} that will provide the context
       * for firing the relayed event
       */
      relayEvent : function(eventName, observable) {
          this.on(eventName, function(e) {
              observable.fireEvent(eventName, e);
          });
      },
  
      /**
       * Removes worthless text nodes
       * @param {Boolean} forceReclean (optional) By default the element
       * keeps track if it has been cleaned already so
       * you can call this over and over. However, if you update the element and
       * need to force a reclean, you can pass true.
       */
      clean : function(forceReclean) {
          var me  = this,
              dom = me.dom,
              n   = dom.firstChild,
              ni  = -1;
  
          if (Ext.Element.data(dom, 'isCleaned') && forceReclean !== true) {
              return me;
          }
  
          while (n) {
              var nx = n.nextSibling;
              if (n.nodeType == 3 && !(/\S/.test(n.nodeValue))) {
                  dom.removeChild(n);
              } else {
                  n.nodeIndex = ++ni;
              }
              n = nx;
          }
          
          Ext.Element.data(dom, 'isCleaned', true);
          return me;
      },
  
      /**
       * Direct access to the Updater {@link Ext.Updater#update} method. The method takes the same object
       * parameter as {@link Ext.Updater#update}
       * @return {Ext.Element} this
       */
      load : function() {
          var updateManager = this.getUpdater();
          updateManager.update.apply(updateManager, arguments);
          
          return this;
      },
  
      /**
      * Gets this element's {@link Ext.Updater Updater}
      * @return {Ext.Updater} The Updater
      */
      getUpdater : function() {
          return this.updateManager || (this.updateManager = new Ext.Updater(this));
      },
  
      /**
      * Update the innerHTML of this element, optionally searching for and processing scripts
      * @param {String} html The new HTML
      * @param {Boolean} loadScripts (optional) True to look for and process scripts (defaults to false)
      * @param {Function} callback (optional) For async script loading you can be notified when the update completes
      * @return {Ext.Element} this
       */
      update : function(html, loadScripts, callback) {
          if (!this.dom) {
              return this;
          }
          html = html || "";
  
          if (loadScripts !== true) {
              this.dom.innerHTML = html;
              if (typeof callback == 'function') {
                  callback();
              }
              return this;
          }
  
          var id  = Ext.id(),
              dom = this.dom;
  
          html += '<span id="' + id + '"></span>';
  
          Ext.lib.Event.onAvailable(id, function() {
              var DOC    = document,
                  hd     = DOC.getElementsByTagName("head")[0],
                  re     = /(?:<script([^>]*)?>)((\n|\r|.)*?)(?:<\/script>)/ig,
                  srcRe  = /\ssrc=([\'\"])(.*?)\1/i,
                  typeRe = /\stype=([\'\"])(.*?)\1/i,
                  match,
                  attrs,
                  srcMatch,
                  typeMatch,
                  el,
                  s;
  
              while ((match = re.exec(html))) {
                  attrs = match[1];
                  srcMatch = attrs ? attrs.match(srcRe) : false;
                  if (srcMatch && srcMatch[2]) {
                     s = DOC.createElement("script");
                     s.src = srcMatch[2];
                     typeMatch = attrs.match(typeRe);
                     if (typeMatch && typeMatch[2]) {
                         s.type = typeMatch[2];
                     }
                     hd.appendChild(s);
                  } else if (match[2] && match[2].length > 0) {
                      if (window.execScript) {
                         window.execScript(match[2]);
                      } else {
                         window.eval(match[2]);
                      }
                  }
              }
              
              el = DOC.getElementById(id);
              if (el) {
                  Ext.removeNode(el);
              }
              
              if (typeof callback == 'function') {
                  callback();
              }
          });
          dom.innerHTML = html.replace(/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig, "");
          return this;
      },
  
      // inherit docs, overridden so we can add removeAnchor
      removeAllListeners : function() {
          this.removeAnchor();
          Ext.EventManager.removeAll(this.dom);
          return this;
      },
  
      /**
       * Creates a proxy element of this element
       * @param {String/Object} config The class name of the proxy element or a DomHelper config object
       * @param {String/HTMLElement} renderTo (optional) The element or element id to render the proxy to (defaults to document.body)
       * @param {Boolean} matchBox (optional) True to align and size the proxy to this element now (defaults to false)
       * @return {Ext.Element} The new proxy element
       */
      createProxy : function(config, renderTo, matchBox) {
          config = (typeof config == 'object') ? config : {tag : "div", cls: config};
  
          var me = this,
              proxy = renderTo ? Ext.DomHelper.append(renderTo, config, true) :
                                 Ext.DomHelper.insertBefore(me.dom, config, true);
  
          if (matchBox && me.setBox && me.getBox) { // check to make sure Element.position.js is loaded
             proxy.setBox(me.getBox());
          }
          return proxy;
      }
  });
  
  Ext.Element.prototype.getUpdateManager = Ext.Element.prototype.getUpdater;
  