(function ($) {

/**
 * Toggle the visibility of a fieldset using smooth animations.
 */
Drupal.toggleFieldset = function (fieldset) {
  var $fieldset = $(fieldset);
  if ($fieldset.is('.collapsed')) {
    var $content = $('> .fieldset-wrapper', fieldset).hide();
    $fieldset
      .removeClass('collapsed')
      .trigger({ type: 'collapsed', value: false })
      .find('> legend span.fieldset-legend-prefix').html(Drupal.t('Hide'));
    $content.slideDown({
      duration: 'fast',
      easing: 'linear',
      complete: function () {
        Drupal.collapseScrollIntoView(fieldset);
        fieldset.animating = false;
      },
      step: function () {
        // Scroll the fieldset into view.
        Drupal.collapseScrollIntoView(fieldset);
      }
    });
  }
  else {
    $fieldset.trigger({ type: 'collapsed', value: true });
    $('> .fieldset-wrapper', fieldset).slideUp('fast', function () {
      $fieldset
        .addClass('collapsed')
        .find('> legend span.fieldset-legend-prefix').html(Drupal.t('Show'));
      fieldset.animating = false;
    });
  }
};

/**
 * Scroll a given fieldset into view as much as possible.
 */
Drupal.collapseScrollIntoView = function (node) {
  var h = document.documentElement.clientHeight || document.body.clientHeight || 0;
  var offset = document.documentElement.scrollTop || document.body.scrollTop || 0;
  var posY = $(node).offset().top;
  var fudge = 55;
  if (posY + node.offsetHeight + fudge > h + offset) {
    if (node.offsetHeight > h) {
      window.scrollTo(0, posY);
    }
    else {
      window.scrollTo(0, posY + node.offsetHeight - h + fudge);
    }
  }
};

Drupal.behaviors.collapse = {
  attach: function (context, settings) {
    $('fieldset.collapsible', context).once('collapse', function () {
      var $fieldset = $(this);
      // Expand fieldset if there are errors inside, or if it contains an
      // element that is targeted by the uri fragment identifier. 
      var anchor = location.hash && location.hash != '#' ? ', ' + location.hash : '';
      if ($('.error' + anchor, $fieldset).length) {
        $fieldset.removeClass('collapsed');
      }

      var summary = $('<span class="summary"></span>');
      $fieldset.
        bind('summaryUpdated', function () {
          var text = $.trim($fieldset.drupalGetSummary());
          summary.html(text ? ' (' + text + ')' : '');
        })
        .trigger('summaryUpdated');

      // Turn the legend into a clickable link, but retain span.fieldset-legend
      // for CSS positioning.
      var $legend = $('> legend .fieldset-legend', this);

      $('<span class="fieldset-legend-prefix element-invisible"></span>')
        .append($fieldset.hasClass('collapsed') ? Drupal.t('Show') : Drupal.t('Hide'))
        .prependTo($legend)
        .after(' ');

      // .wrapInner() does not retain bound events.
      var $link = $('<a class="fieldset-title" href="#"></a>')
        .prepend($legend.contents())
        .appendTo($legend)
        .click(function () {
          var fieldset = $fieldset.get(0);
          // Don't animate multiple times.
          if (!fieldset.animating) {
            fieldset.animating = true;
            Drupal.toggleFieldset(fieldset);
          }
          return false;
        });

      $legend.append(summary);
    });
  }
};

})(jQuery);
;

/**
 * JavaScript behaviors for the front-end display of webforms.
 */

(function ($) {

Drupal.behaviors.webform = Drupal.behaviors.webform || {};

Drupal.behaviors.webform.attach = function(context) {
  // Calendar datepicker behavior.
  Drupal.webform.datepicker(context);
};

Drupal.webform = Drupal.webform || {};

Drupal.webform.datepicker = function(context) {
  $('div.webform-datepicker').each(function() {
    var $webformDatepicker = $(this);
    var $calendar = $webformDatepicker.find('input.webform-calendar');
    var startDate = $calendar[0].className.replace(/.*webform-calendar-start-(\d{4}-\d{2}-\d{2}).*/, '$1').split('-');
    var endDate = $calendar[0].className.replace(/.*webform-calendar-end-(\d{4}-\d{2}-\d{2}).*/, '$1').split('-');
    var firstDay = $calendar[0].className.replace(/.*webform-calendar-day-(\d).*/, '$1');
    // Convert date strings into actual Date objects.
    startDate = new Date(startDate[0], startDate[1] - 1, startDate[2]);
    endDate = new Date(endDate[0], endDate[1] - 1, endDate[2]);

    // Ensure that start comes before end for datepicker.
    if (startDate > endDate) {
      var laterDate = startDate;
      startDate = endDate;
      endDate = laterDate;
    }

    var startYear = startDate.getFullYear();
    var endYear = endDate.getFullYear();

    // Set up the jQuery datepicker element.
    $calendar.datepicker({
      dateFormat: 'yy-mm-dd',
      yearRange: startYear + ':' + endYear,
      firstDay: parseInt(firstDay),
      minDate: startDate,
      maxDate: endDate,
      onSelect: function(dateText, inst) {
        var date = dateText.split('-');
        $webformDatepicker.find('select.year, input.year').val(+date[0]);
        $webformDatepicker.find('select.month').val(+date[1]);
        $webformDatepicker.find('select.day').val(+date[2]);
      },
      beforeShow: function(input, inst) {
        // Get the select list values.
        var year = $webformDatepicker.find('select.year, input.year').val();
        var month = $webformDatepicker.find('select.month').val();
        var day = $webformDatepicker.find('select.day').val();

        // If empty, default to the current year/month/day in the popup.
        var today = new Date();
        year = year ? year : today.getFullYear();
        month = month ? month : today.getMonth() + 1;
        day = day ? day : today.getDate();

        // Make sure that the default year fits in the available options.
        year = (year < startYear || year > endYear) ? startYear : year;

        // jQuery UI Datepicker will read the input field and base its date off
        // of that, even though in our case the input field is a button.
        $(input).val(year + '-' + month + '-' + day);
      }
    });

    // Prevent the calendar button from submitting the form.
    $calendar.click(function(event) {
      $(this).focus();
      event.preventDefault();
    });
  });
}

})(jQuery);
;