gistfile1.txt

/**
 * Created by steve.westner on 2015-02-06.
 */

function pushDownDecorator(){
  return {
    ok: function (target, $pushDownInstance) {
      target.ok = $pushDownInstance.close;
    },
    cancel: function (target, $pushDownInstance) {
      target.close = $pushDownInstance.close;
    },
    all : function (target, $pushDownInstance){
      this.ok(target);
      this.close(target);
    }
  }
}

function arrayDecorator(){
  return {
    page : function(array, size, current){
      array.page.size = size || 10;
      array.page.current = current || 1;
      array.page.count = function(){
        return Math.ceil(array.length / array.page.size)
      }
      array.page.valid = function(page){
        if(page > array.page.count()){return false;}
        if(page < 1){return false;}
        return true;
      }
      array.page.get = function(page){

        if(!array.page.valid(page)){
          throw new Error(page + " is not a valid page. Page should be a number ranging between 1 and " + array.page.count())
        }

        array.page.current = page;
        return _.chain(array)
          .rest(array.page.size * page)
          .first(array.page.size)
          .value();
      }
    },
    toggle : function(array, property){
      var pname = property || "activated";

      array.toggle = function(item){
        return _.chain(array)
          .map(function(d){
            d[pname] = false;
            return d;
          })
          .find(function(d){return d == item;})
          .value()
          .activated = true;
      }
    }
  }

  function rudDecorator(){

    return {
      save: {
        regular : function (target, mapFn, deferedSaveFn, preFn, postFn)
        {
          target.save = function (item) {

            var pre = preFn || function(){};
            var post = postFn || function(){};

            if (target.saving) {
              return;
            }

            target.saving = true;
            var mapped = mapFn(item);

            if(!mapped){return;}
            pre(mapped);
            return deferedSaveFn(item).then(function(d){
              post(d)
            });
          }
        },
        animated : function(target, mapFn, existingKeys){

        }
      }
    }
  }

}