/*
 * jQuery Horizon Menu Plugin - A little solution for menus and paging for jQuery.
 *
 *	Author: Lander Ontoria <lander@irontec.com>, http://www.irontec.com , http://code.irontec.com
 *
 * With special thanks Jabi Infante <jabi@irontec.com> (who started the first version of this plugin to work).
 *
 * Website: http://code.irontec.com/jQuery/HorizonMenu
 *
 * Copyright (c) 2008 Lander Ontoria <lander@irontec.com>, http://www.irontec.com
 *
 * version 1.5 (24/04/2008)
 */

(function($) {
  $.fn.supermenu = function(options) {
    var settings = {
      updateInterval : 100,
      selected : false,
      selectedClass : '',
      oClass: ''
    };
    if (options) $.extend(settings, options);
    return this.each(function(a) {
      var self = this;
      var s = settings;
      this.s = s;
      $(this).wrap('<div class="supermenu' + s.oClass + '"></div>').css("left", "0px");
      // Largeur du ul
      self.ulw = 0;
      // Largeur du div parent à ul
      self.divw = $(this).parent(".supermenu" + s.oClass)[0].offsetWidth;
      self.initw = self.divw;
      marg = Math.round((self.initw / 3));

      if (s.selected) {
        var initialScroll = 0;
        var initialIndex = 0;
        var FoundClass = false;
      }
      ali = [];

      $("li", $(this)).each(function(i) {
        if ((s.selected) && (!FoundClass)) {
          initialScroll = self.ulw;
          initialIndex = i;
          if (($(this).attr("class")) && ($(this).attr("class").indexOf(s.selectedClass) != -1)) {
            FoundClass = true;
          }
        }
        ali[i] = $(this)[0].offsetWidth + parseInt($(this).css("marginLeft")) + parseInt($(this).css("marginRight"));
        // Augmentation de la largeur du ul par ajout successif des largeurs des li
        self.ulw += $(this)[0].offsetWidth + parseInt($(this).css("marginLeft")) + parseInt($(this).css("marginRight"));
      });

      if (s.selected) {
        //console.log("divw: " + self.divw + " | ulw: " + self.ulw + " | initialScroll: " + initialScroll + " | marg: " + marg);
        if (self.ulw < self.divw) {
          // Cas rajouté pour caller à gauche avec peu de li
          initialScroll = 0;
          $("#scroll-g").hide();
          $("#scroll-d").hide();
          $(".supermenu-horizontal").css("width", "97.5%");
        } else if (self.ulw - initialScroll < self.divw) {
          if ((initialScroll + marg) > (self.ulw - marg)) {
            initialScroll = initialScroll - (self.divw - (self.ulw - initialScroll));
          } else {
            initialScroll = (initialScroll - marg);
          }
        } else	if (initialScroll < (self.initw / 2)) {
          initialScroll = 0;
        } else {
          initialScroll = initialScroll - marg;
        }
        $(this).css("left", (initialScroll * -1) + "px");
      }

      $(this).css("width", self.ulw + "px");

      $.fn["right"] = function(fn) {
        return fn ? this.bind("right", fn) : this.trigger("right");
      }
      $.fn["left"] = function(fn) {
        return fn ? this.bind("left", fn) : this.trigger("left");
      }
      $(this)["left"](function(e, offset) {
        if (self.divw >= self.ulw) return;
        var curLeft = parseFloat($(self).css("left"));
        var newLeft = ((curLeft + offset) > 0) ? 0 : curLeft + offset;
        $(self).css("left", newLeft);
        return $(this);
      });
      $(this)["right"](function(e, offset) {
        if (self.divw >= self.ulw) return;
        var curLeft = parseFloat($(self).css("left"));
        var newLeft = (Math.abs(curLeft - offset) > (self.ulw - self.divw)) ? (self.ulw - self.divw) * (-1) : curLeft - offset;
        $(self).css("left", newLeft);
        return $(this);
      });
      return $(this);
    });
    return $(this);
  };
})(jQuery);