jRails.js

(function($){
  $.ajaxSettings.accepts._default="text/javascript, text/html, application/xml, text/xml, */*"
})(jQuery);

(function($){
  $.fn.reset=function(){
    return this.each(function(){
      if(typeof this.reset=="function"||(typeof this.reset=="object"&&!this.reset.nodeType)){
        this.reset()
      }
    })
  };

  $.fn.enable=function(){
    return this.each(function(){
      this.disabled=false
    })
  };

  $.fn.disable=function(){
    return this.each(function(){
      this.disabled=true
    })
  }
})(jQuery);

(function($){
  $.extend({
    fieldEvent:function(el,obs){
      var field=el[0]||el,e="change";

      if(field.type=="radio"||field.type=="checkbox"){
        e="click"
      }
      else{
        if(obs&&(field.type=="text"||field.type=="textarea"||field.type=="password")){
          e="keyup"
        }
      }
      return e
    }
  });

  $.fn.extend({
    delayedObserver:function(delay,callback){
      var el=$(this);

      if(typeof window.delayedObserverStack=="undefined"){
        window.delayedObserverStack=[]
      }

      if(typeof window.delayedObserverCallback=="undefined"){
        window.delayedObserverCallback=function(stackPos){
          var observed=window.delayedObserverStack[stackPos];

          if(observed.timer){
            clearTimeout(observed.timer)
          }
            observed.timer=setTimeout(function(){
              observed.timer=null;
              observed.callback(observed.obj,observed.obj.formVal())
              } ,observed.delay*1000);

              observed.oldVal=observed.obj.formVal()
            }
          }

          window.delayedObserverStack.push({obj:el,timer:null,delay:delay,oldVal:el.formVal(),callback:callback});

          var stackPos=window.delayedObserverStack.length-1;

          if(el[0].tagName=="FORM"){
            $(":input",el).each(function(){
              var field=$(this);
              field.bind($.fieldEvent(field,delay),function(){
                var observed=window.delayedObserverStack[stackPos];
                if(observed.obj.formVal()==observed.oldVal){
                  return
                }
                else{
                  window.delayedObserverCallback(stackPos)
                }
              })
            })
          }
          else{
            el.bind($.fieldEvent(el,delay),function(){
              var observed=window.delayedObserverStack[stackPos];
              if(observed.obj.formVal()==observed.oldVal){
                return
              }
              else{
                window.delayedObserverCallback(stackPos)
              }
            })
          }
        },
        formVal:function(){
          var el=this[0];
          if(el.tagName=="FORM"){
            return this.serialize()
          }
          if(el.type=="checkbox"||el.type=="radio"){
            return this.filter("input:checked").val()||""
          }
          else{
            return this.val()
          }
        }
      })
    })(jQuery);

    (function($){
      $.fn.extend({
        visualEffect:function(o,options){
          if(options){
            speed=options.duration*1000
          }
          else{
            speed=null
          }
          e=o.replace(/\_(.)/g,function(m,l){
            return l.toUpperCase()
          });
          return eval("$(this)."+e+"("+speed+")")
        },
        appear:function(speed,callback){
          return this.fadeIn(speed,callback)
        },
        blindDown:function(speed,callback){
          return this.show("blind",{direction:"vertical"},speed,callback)
        },
        blindUp:function(speed,callback){
          return this.hide("blind",{direction:"vertical"},speed,callback)
        },
        blindRight:function(speed,callback){
          return this.show("blind",{direction:"horizontal"},speed,callback)
        },
        blindLeft:function(speed,callback){
          this.hide("blind",{direction:"horizontal"},speed,callback);
          return this
        },
        dropOut:function(speed,callback){
          return this.hide("drop",{direction:"down"},speed,callback)
        },
        dropIn:function(speed,callback){
          return this.show("drop",{direction:"up"},speed,callback)
        },
        fade:function(speed,callback){
          return this.fadeOut(speed,callback)
        },
        fadeToggle:function(speed,callback){
          return this.animate({opacity:"toggle"},speed,callback)
        },
        fold:function(speed,callback){
          return this.hide("fold",{},speed,callback)
        },
        foldOut:function(speed,callback){
          return this.show("fold",{},speed,callback)
        },
        grow:function(speed,callback){
          return this.show("scale",{},speed,callback)
        },
        highlight:function(speed,callback){
          return this.show("highlight",{},speed,callback)
        },
        puff:function(speed,callback){
          return this.hide("puff",{},speed,callback)
        },
        pulsate:function(speed,callback){
          return this.show("pulsate",{},speed,callback)
        },
        shake:function(speed,callback){
          return this.show("shake",{},speed,callback)
        },
        shrink:function(speed,callback){
          return this.hide("scale",{},speed,callback)
        },
        squish:function(speed,callback){
          return this.hide("scale",{origin:["top","left"]},speed,callback)
        },
        slideUp:function(speed,callback){
          return this.hide("slide",{direction:"up"},speed,callback)
        },
        slideDown:function(speed,callback){
          return this.show("slide",{direction:"up"},speed,callback)
        },
        switchOff:function(speed,callback){
          return this.hide("clip",{},speed,callback)
        },
        switchOn:function(speed,callback){
          return this.show("clip",{},speed,callback)
        }
      })
    })(jQuery);