var __bind = function(func, context) {
    return function(){ return func.apply(context, arguments); };
  };
(function($) {
  var KEY;
  KEY = {
    BACKSPACE: 8,
    TAB: 9,
    RETURN: 13,
    ESCAPE: 27,
    SPACE: 32,
    LEFT: 37,
    UP: 38,
    RIGHT: 39,
    DOWN: 40,
    COLON: 188,
    DOT: 190
  };
  $.MultiSelect = function(element, options) {
    this.options = {
      separator: ",",
      completions: [],
      max_complete_results: 5,
      enable_new_options: true,
      complex_search: true
    };
    $.extend(this.options, options || {});
    this.values = [];
    this.input = $(element);
    this.initialize_elements();
    this.initialize_events();
    this.parse_value();
    return this;
  };
  $.MultiSelect.prototype.initialize_elements = function() {
    this.hidden = $(document.createElement("input"));
    this.hidden.attr("name", this.input.attr("name"));
    this.hidden.attr("type", "hidden");
    this.input.removeAttr("name");
    this.container = $(document.createElement("div"));
    this.container.addClass("jquery-multiselect");
    this.input_wrapper = $(document.createElement("a"));
    this.input_wrapper.addClass("bit-input");
    this.input.replaceWith(this.container);
    this.container.append(this.input_wrapper);
    this.input_wrapper.append(this.input);
    return this.container.before(this.hidden);
  };
  $.MultiSelect.prototype.initialize_events = function() {
    this.selection = new $.MultiSelect.Selection(this.input);
    this.resizable = new $.MultiSelect.ResizableInput(this.input);
    this.observer = new $.MultiSelect.InputObserver(this.input);
    this.autocomplete = new $.MultiSelect.AutoComplete(this, this.options.completions);
    this.input.click(__bind(function(e) {
      return e.stopPropagation();
    }, this));
    this.input.keyup(__bind(function() {
      return this.parse_value(1);
    }, this));
    this.container.click(__bind(function() {
      this.input.focus();
      return this.selection.set_caret_at_end();
    }, this));
    this.observer.bind([KEY.TAB, KEY.RETURN], __bind(function(e) {
      if (this.autocomplete.val()) {
        e.preventDefault();
        return this.add_and_reset();
      }
    }, this));
    this.observer.bind([KEY.BACKSPACE], __bind(function(e) {
      var caret;
      if (this.values.length <= 0) {
        return null;
      }
      caret = this.selection.get_caret();
      if (caret[0] === 0 && caret[1] === 0) {
        e.preventDefault();
        return this.remove(this.values[this.values.length - 1]);
      }
    }, this));
    this.input.blur(__bind(function() {
      return setTimeout(__bind(function() {
        return this.autocomplete.hide_complete_box();
      }, this), 200);
    }, this));
    return this.observer.bind([KEY.ESCAPE], __bind(function(e) {
      return this.autocomplete.hide_complete_box();
    }, this));
  };
  $.MultiSelect.prototype.values_real = function() {
    return $.map(this.values, function(v) {
      return v[1];
    });
  };
  $.MultiSelect.prototype.parse_value = function(min) {
    var _i, _len, _ref, value, values;
    min = (typeof min !== "undefined" && min !== null) ? min : 0;
    values = this.input.val().split(this.options.separator);
    if (values.length > min) {
      _ref = values;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        value = _ref[_i];
        if (value.present()) {
          this.add([value, value]);
        }
      }
      this.input.val("");
      return this.autocomplete.search();
    }
  };
  $.MultiSelect.prototype.add_and_reset = function() {
    var x = this.autocomplete.list.find(".auto-focus").index() 
    if (this.autocomplete.matches[x]) {
      this.add(this.autocomplete.matches[x]);
      this.input.val("");
      return this.autocomplete.search();
    }
  };
  $.MultiSelect.prototype.add = function(value) {
    var a, close;
    if ($.inArray(value[1], this.values_real()) > -1) {
      return null;
    }
    if (value[0].blank()) {
      return null;
    }
    value[1] = value[1].trim();
    this.values.push(value);
    a = $(document.createElement("a"));
    a.addClass("bit bit-box");
    a.mouseover(function() {
      return $(this).addClass("bit-hover");
    });
    a.mouseout(function() {
      return $(this).removeClass("bit-hover");
    });
    a.data("value", value);
    a.html(value[0].entitizeHTML());
    close = $(document.createElement("a"));
    close.addClass("closebutton");
    close.click(__bind(function() {
      return this.remove(a.data("value"));
    }, this));
    a.append(close);
    this.input_wrapper.before(a);
    return this.refresh_hidden();
  };
  $.MultiSelect.prototype.remove = function(value) {
    this.values = $.grep(this.values, function(v) {
      return v[1] !== value[1];
    });
    this.container.find("a.bit-box").each(function() {
      if ($(this).data("value")[1] === value[1]) {
        return $(this).remove();
      }
    });
    return this.refresh_hidden();
  };
  $.MultiSelect.prototype.refresh_hidden = function() {
    return this.hidden.val(this.values_real().join(this.options.separator));
  };
  $.MultiSelect.InputObserver = function(element) {
    this.input = $(element);
    this.input.keydown(__bind(function(e) {
      return this.handle_keydown(e);
    }, this));
    this.events = [];
    return this;
  };
  $.MultiSelect.InputObserver.prototype.bind = function(key, callback) {
    return this.events.push([key, callback]);
  };
  $.MultiSelect.InputObserver.prototype.handle_keydown = function(e) {
    var _i, _len, _ref, _ref2, _result, callback, event, keys;
    _result = []; _ref = this.events;
    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
      event = _ref[_i];
      _result.push((function() {
        _ref2 = event;
        keys = _ref2[0];
        callback = _ref2[1];
        if (!(keys.push)) {
          keys = [keys];
        }
        if ($.inArray(e.keyCode, keys) > -1) {
          return callback(e);
        }
      })());
    }
    return _result;
  };
  $.MultiSelect.Selection = function(element) {
    this.input = $(element)[0];
    return this;
  };
  $.MultiSelect.Selection.prototype.get_caret = function() {
    var r;
    if (document.selection) {
      r = document.selection.createRange().duplicate();
      r.moveEnd('character', this.input.value.length);
      return r.text === '' ? [this.input.value.length, this.input.value.length] : [this.input.value.lastIndexOf(r.text), this.input.value.lastIndexOf(r.text)];
    } else {
      return [this.input.selectionStart, this.input.selectionEnd];
    }
  };
  $.MultiSelect.Selection.prototype.set_caret = function(begin, end) {
    end = (typeof end !== "undefined" && end !== null) ? end : begin;
    this.input.selectionStart = begin;
    return (this.input.selectionEnd = end);
  };
  $.MultiSelect.Selection.prototype.set_caret_at_end = function() {
    return this.set_caret(this.input.value.length);
  };
  $.MultiSelect.ResizableInput = function(element) {
    this.input = $(element);
    this.create_measurer();
    this.input.keypress(__bind(function(e) {
      return this.set_width(e);
    }, this));
    this.input.keyup(__bind(function(e) {
      return this.set_width(e);
    }, this));
    this.input.change(__bind(function(e) {
      return this.set_width(e);
    }, this));
    return this;
  };
  $.MultiSelect.ResizableInput.prototype.create_measurer = function() {
    var measurer;
    if ($("#__jquery_multiselect_measurer")[0] === undefined) {
      measurer = $(document.createElement("div"));
      measurer.attr("id", "__jquery_multiselect_measurer");
      measurer.css({
        position: "absolute",
        left: "-1000px",
        top: "-1000px"
      });
      $(document.body).append(measurer);
    }
    this.measurer = $("#__jquery_multiselect_measurer:first");
    return this.measurer.css({
      fontSize: this.input.css('font-size'),
      fontFamily: this.input.css('font-family')
    });
  };
  $.MultiSelect.ResizableInput.prototype.calculate_width = function() {
    this.measurer.html(this.input.val().entitizeHTML() + 'MM');
    return this.measurer.innerWidth();
  };
  $.MultiSelect.ResizableInput.prototype.set_width = function() {
    return this.input.css("width", this.calculate_width() + "px");
  };
  $.MultiSelect.AutoComplete = function(multiselect, completions) {
    this.multiselect = multiselect;
    this.input = this.multiselect.input;
    this.completions = this.parse_completions(completions);
    this.matches = [];
    this.create_elements();
    this.bind_events();
    return this;
  };
  $.MultiSelect.AutoComplete.prototype.parse_completions = function(completions) {
    return $.map(completions, function(value) {
      if (typeof value === "string") {
        return [[value, value]];
      } else if (value instanceof Array && value.length === 2) {
        return [value];
      } else if (value.value && value.caption) {
        return [[value.caption, value.value]];
      } else {
        if (console) {
          return console.error("Invalid option " + (value));
        }
      }
    });
  };
  $.MultiSelect.AutoComplete.prototype.create_elements = function() {
    this.container = $(document.createElement("div"));
    this.container.addClass("jquery-multiselect-autocomplete");
    this.container.css("width", this.multiselect.container.outerWidth());
    this.container.css("display", "none");
    this.container.append(this.def);
    this.list = $(document.createElement("ul"));
    this.list.addClass("feed");
    this.container.append(this.list);
    return this.multiselect.container.after(this.container);
  };
  $.MultiSelect.AutoComplete.prototype.bind_events = function() {
    this.input.keypress(__bind(function(e) {
      return this.search(e);
    }, this));
    this.input.keyup(__bind(function(e) {
      return this.search(e);
    }, this));
    this.input.change(__bind(function(e) {
      return this.search(e);
    }, this));
    this.multiselect.observer.bind(KEY.UP, __bind(function(e) {
      e.preventDefault();
      return this.navigate_up();
    }, this));
    return this.multiselect.observer.bind(KEY.DOWN, __bind(function(e) {
      e.preventDefault();
      return this.navigate_down();
    }, this));
  };
  $.MultiSelect.AutoComplete.prototype.search = function() {
    var _i, _len, _ref, def, i;
    if (this.input.val().trim() === this.query) {
      return null;
    }
    this.query = this.input.val().trim();
    this.list.html("");
    this.current = 0;
    if (this.query.present()) {
      this.container.fadeIn("fast");
      this.matches = this.matching_completions(this.query);
      if (this.multiselect.options.enable_new_options) {
        def = this.create_item("Přidat <em>" + this.query + "</em>");
        def.click(__bind(function(e) {
          return this.select_index(e, 0);
        }, def));
      }
      _ref = this.matches;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        (function() {
          var item, x;
          var i = _i;
          var option = _ref[_i];
          x = this.multiselect.options.enable_new_options ? i + 1 : i;
          item = this.create_item(this.highlight(option[0], this.query));
          item.mouseenter(__bind(function(e) {
            $(item).parent().find("li").removeClass("auto-focus");
            item.addClass("auto-focus");
            return this.select_index(e, x);
          }, item));
          item.click(__bind(function(e) {
            //return this.select_index(e, x);
          }, item));
        }).call(this);
      }
      if (this.multiselect.options.enable_new_options) {
        this.matches.unshift([this.query, this.query]);
      }
      return this.select_index(0);
    } else {
      this.matches = [];
      this.hide_complete_box();
      return (this.query = null);
    }
  };
  $.MultiSelect.AutoComplete.prototype.hide_complete_box = function() {
    return this.container.fadeOut("fast");
  };
  $.MultiSelect.AutoComplete.prototype.select_index = function(index) {
    var items;
    items = this.list.find("li");
    items.removeClass("auto-focus");
    items.filter(":eq(" + (index) + ")").addClass("auto-focus");
    return (this.current = index);
  };
  $.MultiSelect.AutoComplete.prototype.navigate_down = function() {
    var next;
    next = this.current + 1;
    if (next >= this.matches.length) {
      next = 0;
    }
    return this.select_index(next);
  };
  $.MultiSelect.AutoComplete.prototype.navigate_up = function() {
    var next;
    next = this.current - 1;
    if (next < 0) {
      next = this.matches.length - 1;
    }
    return this.select_index(next);
  };
  $.MultiSelect.AutoComplete.prototype.create_item = function(text, highlight) {
    var item;
    item = $(document.createElement("li"));
    item.click(__bind(function() {
      this.multiselect.add_and_reset();
      this.search();
      return this.input.focus();
    }, this));
    item.html(text);
    this.list.append(item);
    return item;
  };
  $.MultiSelect.AutoComplete.prototype.val = function() {
    return this.matches[this.current];
  };
  $.MultiSelect.AutoComplete.prototype.highlight = function(text, highlight) {
    var _len, _ref, char, current, highlighted, i, reg;
    if (this.multiselect.options.complex_search) {
      highlighted = "";
      current = 0;
      _ref = text;
      for (i = 0, _len = _ref.length; i < _len; i++) {
        char = _ref[i];
        char = text.charAt(i);
        if (current < highlight.length && char.toLowerCase() === highlight.charAt(current).toLowerCase()) {
          highlighted += ("<em>" + (char) + "</em>");
          current++;
        } else {
          highlighted += char;
        }
      }
      return highlighted;
    } else {
      reg = ("(" + (RegExp.escape(highlight)) + ")");
      return text.replace(new RegExp(reg, "gi"), '<em>$1</em>');
    }
  };
  $.MultiSelect.AutoComplete.prototype.matching_completions = function(text) {
    var _len, _ref, char, count, i, reg;
    if (this.multiselect.options.complex_search) {
      reg = "";
      _ref = text;
      for (i = 0, _len = _ref.length; i < _len; i++) {
        char = _ref[i];
        char = text.charAt(i);
        reg += RegExp.escape(char) + ".*";
      }
      reg = new RegExp(reg, "i");
    } else {
      reg = new RegExp(RegExp.escape(text), "i");
    }
    count = 0;
    return $.grep(this.completions, __bind(function(c) {
      if (count >= this.multiselect.options.max_complete_results) {
        return false;
      }
      if ($.inArray(c[1], this.multiselect.values_real()) > -1) {
        return false;
      }
      if (c[0].match(reg)) {
        count++;
        return true;
      } else {
        return false;
      }
    }, this));
  };
  return ($.fn.multiselect = function(options) {
    options = (typeof options !== "undefined" && options !== null) ? options : {};
    return $(this).each(function() {
      var _i, _len, _ref, completions, input, option, select_options;
      if (this.tagName.toLowerCase() === "select") {
        input = $(document.createElement("input"));
        input.attr("type", "text");
        input.attr("name", this.name);
        input.attr("id", this.id);
        completions = [];
        _ref = this.options;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          option = _ref[_i];
          completions.push([option.innerHTML, option.value]);
        }
        _sel =  $(this).find("option:selected");

        select_options = {
          completions: completions,
          enable_new_options: false
        };
        $.extend(select_options, options);
        $(this).replaceWith(input);

        multi = new $.MultiSelect(input, select_options);
        _sel.each(
          function() {
          multi.add([this.text, this.value]);
          }
        );
        return multi;
      } else if (this.tagName.toLowerCase() === "input" && this.type === "text") {
        return new $.MultiSelect(this, options);
      }
    });
  });
})(jQuery);
$.extend(String.prototype, {
  trim: function() {
    return this.replace(/^[\r\n\s]/g, '').replace(/[\r\n\s]$/g, '');
  },
  entitizeHTML: function() {
    return this.replace(/</g, '&lt;').replace(/>/g, '&gt;');
  },
  unentitizeHTML: function() {
    return this.replace(/&lt;/g, '<').replace(/&gt;/g, '>');
  },
  blank: function() {
    return this.trim().length === 0;
  },
  present: function() {
    return !this.blank();
  }
});
RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};