Monkey patches that are designed to help jquery-validate work well with Twitter Bootstrap

jquery-validate-bootstrap-patch.coffee

# These patches help make the jquery validator work well with
# the Twitter Bootstrap html & class conventions
#
# MONKEY-PATCH warning
# These may need to be adjusted if upgrading or changing jquery-validate
# from 1.9.0

$.validator.setDefaults
        errorClass: "error"
        validClass: "success"
        errorElement: "span"
        highlight: (element, errorClass, validClass)->
                $obj = if (element.type == 'radio') then this.findByName(element.name) else $(element)
                $obj.parents("div.control-group").removeClass(validClass).addClass(errorClass)
        unhighlight: (element, errorClass, validClass)->
                $obj = if (element.type == 'radio') then this.findByName(element.name) else $(element)
                $obj.parents("div.control-group").removeClass(errorClass).addClass(validClass)

$.validator.errors = ()->
        errorClass = @settings.errorClass.replace(" ", ".")
        $ @settings.errorElement + "." + errorClass, @errorContext

$.validator.showLabel = ()->
        label = @errorsFor(element)
        if label.length
                # refresh error/success class
                label.removeClass(@settings.validClass).addClass @settings.errorClass

                # check if we have a generated label, replace the message then
                label.attr("generated") and label.html(message)
        else
                # create label
                label = $("<" + @settings.errorElement + "/>").attr(
                        for: @idOrName(element)
                        generated: true
                ).addClass(@settings.errorClass).html(message or "").addClass('help-inline')

                # make sure the element is visible, even in IE
                # actually showing the wrapped element is handled elsewhere
                label = label.hide().show().wrap("<" + @settings.wrapper + "/>").parent()  if @settings.wrapper
                (if @settings.errorPlacement then @settings.errorPlacement(label, $(element)) else label.insertAfter(element))  unless @labelContainer.append(label).length
        if not message and @settings.success
                label.text ""
                (if typeof @settings.success is "string" then label.addClass(@settings.success) else @settings.success(label))
        @toShow = @toShow.add(label)

jquery-validate-bootstrap-patch.js

(function() {

  $.validator.setDefaults({
    errorClass: "error",
    validClass: "success",
    errorElement: "span",
    highlight: function(element, errorClass, validClass) {
      var $obj;
      $obj = element.type === 'radio' ? this.findByName(element.name) : $(element);
      return $obj.parents("div.control-group").removeClass(validClass).addClass(errorClass);
    },
    unhighlight: function(element, errorClass, validClass) {
      var $obj;
      $obj = element.type === 'radio' ? this.findByName(element.name) : $(element);
      return $obj.parents("div.control-group").removeClass(errorClass).addClass(validClass);
    }
  });

  $.validator.errors = function() {
    var errorClass;
    errorClass = this.settings.errorClass.replace(" ", ".");
    return $(this.settings.errorElement + "." + errorClass, this.errorContext);
  };

  $.validator.showLabel = function() {
    var label;
    label = this.errorsFor(element);
    if (label.length) {
      label.removeClass(this.settings.validClass).addClass(this.settings.errorClass);
      label.attr("generated") && label.html(message);
    } else {
      label = $("<" + this.settings.errorElement + "/>").attr({
        "for": this.idOrName(element),
        generated: true
      }).addClass(this.settings.errorClass).html(message || "").addClass('help-inline');
      if (this.settings.wrapper) {
        label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
      }
      if (!this.labelContainer.append(label).length) {
        if (this.settings.errorPlacement) {
          this.settings.errorPlacement(label, $(element));
        } else {
          label.insertAfter(element);
        }
      }
    }
    if (!message && this.settings.success) {
      label.text("");
      if (typeof this.settings.success === "string") {
        label.addClass(this.settings.success);
      } else {
        this.settings.success(label);
      }
    }
    return this.toShow = this.toShow.add(label);
  };

}).call(this);