text: /*  KataSpace
   *  help.js
   *
   *  Copyright (c) 2010, Ewen Cheslack-Postava
   *  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.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *  * Neither the name of Sirikata nor the names of its contributors may
   *    be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  Kata.require([
      'katajs/oh/GUISimulation.js'
  ], function() {
  
      var SUPER = Kata.GUISimulation.prototype;
  
      /** Tracks session events, presenting an error message if on disconnection. */
      HelpUI = function(channel, parent) {
          SUPER.constructor.call(this, channel);
  
          var button_div = $('<button>Help</button>').appendTo($('body'));
          this.mButtonDiv = button_div;
          button_div.
              button().
              click(
                  Kata.bind(this.displayHelp, this, button_div)
              );
          parent.addButton(button_div);
  
          var dialog_div = $('<div title="Help">Use the arrow keys (up, left, and right) to make your avatar walk around. Type messages into the box on the right to chat with other participants.</div>').appendTo($('body'));
          this.mDialogDiv = dialog_div;
          dialog_div.dialog(
              {
                  autoOpen: false
              }
          );
      };
      Kata.extend(HelpUI, SUPER);
  
      // GUISimulation interface
      HelpUI.prototype.handleGUIMessage = function(evt) {
      };
  
      HelpUI.prototype.displayHelp = function(button) {
          this.mDialogDiv.dialog("open");
      };
  });
  