/*
   * jquery.simulate - simulate browser mouse and keyboard events
   *
   * Copyright (c) 2009 Eduardo Lundgren (eduardolundgren@gmail.com)
   * and Richard D. Worth (rdworth@gmail.com)
   *
   * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
   * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
   *
   */
  
  ;(function($)\; \{$.fn.extend({
          simulate: function(type, options) {
                  return this.each(function() {
                          var opt = $.extend(\{\},$.simulate.defaults, options || {});
                          new $.simulate(this,\; type,\; opt);\; \});\; \}\; \});$.simulate = function(el, type, options) {
          this.target = el;
          this.options = options;
  
          if (/^drag$/.test(type))\; \{\; this[type].apply(this,\; [this.target,\; options]);\; \}\; else\; \{\; this.simulateEvent(el,\; type,\; options);\; \}\; \}$.extend($.simulate.prototype,\; \{\; simulateEvent:\; function(el,\; type,\; options)\; \{\; var\; evt\; =\; this.createEvent(type,\; options);\; this.dispatchEvent(el,\; type,\; evt,\; options);\; return\; evt;\; \},\; createEvent:\; function(type,\; options)\; \{\; if\; (/^mouse(over|out|down|up|move)|(dbl)?click$/.test(type)) {
                          return this.mouseEvent(type, options);
                  } else if (/^key(up|down|press)$/.test(type))\; \{\; return\; this.keyboardEvent(type,\; options);\; \}\; \},\; mouseEvent:\; function(type,\; options)\; \{\; var\; evt;\; var\; e\; =$.extend({
                          bubbles: true, cancelable: (type != "mousemove"), view: window, detail: 0,
                          screenX: 0, screenY: 0, clientX: 0, clientY: 0,
                          ctrlKey: false, altKey: false, shiftKey: false, metaKey: false,
                          button: 0, relatedTarget: undefined
                  }, options);
  
                  var relatedTarget = $(e.relatedTarget)[0];
  
                  if ($.isFunction(document.createEvent))\; \{\; evt\; =\; document.createEvent("MouseEvents");\; evt.initMouseEvent(type,\; e.bubbles,\; e.cancelable,\; e.view,\; e.detail,\; e.screenX,\; e.screenY,\; e.clientX,\; e.clientY,\; e.ctrlKey,\; e.altKey,\; e.shiftKey,\; e.metaKey,\; e.button,\; e.relatedTarget\; ||\; document.body.parentNode);\; \}\; else\; if\; (document.createEventObject)\; \{\; evt\; =\; document.createEventObject();$.extend(evt, e);
                          evt.button = { 0:1, 1:4, 2:2 }[evt.button] || evt.button;
                  }
                  return evt;
          },
          keyboardEvent: function(type, options) {
                  var evt;
  
                  var e = $.extend(\{\; bubbles:\; true,\; cancelable:\; true,\; view:\; window,\; ctrlKey:\; false,altKey:\; false,\; shiftKey:\; false,\; metaKey:\; false,\; keyCode:\; 0,\; charCode:\; 0\; \},\; options);\; if\; ($.isFunction(document.createEvent)) {
                          try {
                                  evt = document.createEvent("KeyEvents");
                                  evt.initKeyEvent(type, e.bubbles, e.cancelable, e.view,
                                          e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
                                          e.keyCode, e.charCode);
                          } catch(err) {
                                  evt = document.createEvent("Events");
                                  evt.initEvent(type, e.bubbles, e.cancelable);
                                  $.extend(evt,\; \{\; view:\; e.view,\; ctrlKey:\; e.ctrlKey,altKey:\; e.altKey,\; shiftKey:\; e.shiftKey,\; metaKey:\; e.metaKey,\; keyCode:\; e.keyCode,\; charCode:\; e.charCode\; \});\; \}\; \}\; else\; if\; (document.createEventObject)\; \{\; evt\; =\; document.createEventObject();$.extend(evt, e);
                  }
                  if ($.browser.msie\; ||$.browser.opera) {
                          evt.keyCode = (e.charCode > 0) ? e.charCode : e.keyCode;
                          evt.charCode = undefined;
                  }
                  return evt;
          },
  
          dispatchEvent: function(el, type, evt) {
                  if (el.dispatchEvent) {
                          el.dispatchEvent(evt);
                  } else if (el.fireEvent) {
                          el.fireEvent('on' + type, evt);
                  }
                  return evt;
          },
  
          drag: function(el) {
                  var self = this, center = this.findCenter(this.target), 
                          options = this.options,        x = Math.floor(center.x), y = Math.floor(center.y), 
                          dx = options.dx || 0, dy = options.dy || 0, target = this.target;
                  var coord = { clientX: x, clientY: y };
                  this.simulateEvent(target, "mousedown", coord);
                  coord = { clientX: x + 1, clientY: y + 1 };
                  this.simulateEvent(document, "mousemove", coord);
                  coord = { clientX: x + dx, clientY: y + dy };
                  this.simulateEvent(document, "mousemove", coord);
                  this.simulateEvent(document, "mousemove", coord);
                  this.simulateEvent(target, "mouseup", coord);
          },
          findCenter: function(el) {
                  var el = $(this.target), o = el.offset();
                  return {
                          x: o.left + el.outerWidth() / 2,
                          y: o.top + el.outerHeight() / 2
                  };
          }
  });
  
  $.extend($.simulate, {
          defaults: {
                  speed: 'sync'
          },
          VK_TAB: 9,
          VK_ENTER: 13,
          VK_ESC: 27,
          VK_PGUP: 33,
          VK_PGDN: 34,
          VK_END: 35,
          VK_HOME: 36,
          VK_LEFT: 37,
          VK_UP: 38,
          VK_RIGHT: 39,
          VK_DOWN: 40
  });
  
  })(jQuery);