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   1  // $Id: superfish.js,v 1.1 2009/08/19 04:28:07 sociotech Exp $
   2  
   3  /*
   4   * Superfish v1.4.8 - jQuery menu widget
   5   * Copyright (c) 2008 Joel Birch
   6   *
   7   * Dual licensed under the MIT and GPL licenses:
   8   *     http://www.opensource.org/licenses/mit-license.php
   9   *     http://www.gnu.org/licenses/gpl.html
  10   *
  11   * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
  12   */
  13  
  14  ;(function($){
  15      $.fn.superfish = function(op){
  16  
  17          var sf = $.fn.superfish,
  18              c = sf.c,
  19              $arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join('')),
  20              over = function(){
  21                  var $$ = $(this), menu = getMenu($$);
  22                  clearTimeout(menu.sfTimer);
  23                  $$.showSuperfishUl().siblings().hideSuperfishUl();
  24              },
  25              out = function(){
  26                  var $$ = $(this), menu = getMenu($$), o = sf.op;
  27                  clearTimeout(menu.sfTimer);
  28                  menu.sfTimer=setTimeout(function(){
  29                      o.retainPath=($.inArray($$[0],o.$path)>-1);
  30                      $$.hideSuperfishUl();
  31                      if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
  32                  },o.delay);    
  33              },
  34              getMenu = function($menu){
  35                  var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
  36                  sf.op = sf.o[menu.serial];
  37                  return menu;
  38              },
  39              addArrow = function($a){ $a.addClass(c.anchorClass).append($arrow.clone()); };
  40              
  41          return this.each(function() {
  42              var s = this.serial = sf.o.length;
  43              var o = $.extend({},sf.defaults,op);
  44              o.$path = $('li.'+o.pathClass,this).slice(0,o.pathLevels).each(function(){
  45                  $(this).addClass([o.hoverClass,c.bcClass].join(' '))
  46                      .filter('li:has(ul)').removeClass(o.pathClass);
  47              });
  48              sf.o[s] = sf.op = o;
  49              
  50              $('li:has(ul)',this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out).each(function() {
  51                  if (o.autoArrows) addArrow( $('>a:first-child',this) );
  52              })
  53              .not('.'+c.bcClass)
  54                  .hideSuperfishUl();
  55              
  56              var $a = $('a',this);
  57              $a.each(function(i){
  58                  var $li = $a.eq(i).parents('li');
  59                  $a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
  60              });
  61              o.onInit.call(this);
  62              
  63          }).each(function() {
  64              menuClasses = [c.menuClass];
  65              if (sf.op.dropShadows  && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
  66              $(this).addClass(menuClasses.join(' '));
  67          });
  68      };
  69  
  70      var sf = $.fn.superfish;
  71      sf.o = [];
  72      sf.op = {};
  73      sf.IE7fix = function(){
  74          var o = sf.op;
  75          if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity!=undefined)
  76              this.toggleClass(sf.c.shadowClass+'-off');
  77          };
  78      sf.c = {
  79          bcClass     : 'sf-breadcrumb',
  80          menuClass   : 'sf-js-enabled',
  81          anchorClass : 'sf-with-ul',
  82          arrowClass  : 'sf-sub-indicator',
  83          shadowClass : 'sf-shadow'
  84      };
  85      sf.defaults = {
  86          hoverClass    : 'sfHover',
  87          pathClass    : 'overideThisToUse',
  88          pathLevels    : 1,
  89          delay        : 800,
  90          animation    : {opacity:'show'},
  91          speed        : 'normal',
  92          autoArrows    : true,
  93          dropShadows : true,
  94          disableHI    : false,        // true disables hoverIntent detection
  95          onInit        : function(){}, // callback functions
  96          onBeforeShow: function(){},
  97          onShow        : function(){},
  98          onHide        : function(){}
  99      };
 100      $.fn.extend({
 101          hideSuperfishUl : function(){
 102              var o = sf.op,
 103                  not = (o.retainPath===true) ? o.$path : '';
 104              o.retainPath = false;
 105              var $ul = $(['li.',o.hoverClass].join(''),this).add(this).not(not).removeClass(o.hoverClass)
 106                      .find('>ul').hide().css('visibility','hidden');
 107              o.onHide.call($ul);
 108              return this;
 109          },
 110          showSuperfishUl : function(){
 111              var o = sf.op,
 112                  sh = sf.c.shadowClass+'-off',
 113                  $ul = this.addClass(o.hoverClass)
 114                      .find('>ul:hidden').css('visibility','visible');
 115              sf.IE7fix.call($ul);
 116              o.onBeforeShow.call($ul);
 117              $ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
 118              return this;
 119          }
 120      });
 121  
 122  })(jQuery);