scp.js

                // TODO: Add / hide loading spinner
            })
         );
        $this.removeData('url');
    }
    else {
        $tab.addClass('tab_content');
        // Don't change the URL hash for nested tabs or in dialogs
        if ($(this).closest('.tab_content, .dialog').length == 0)
            $.changeHash($(this).attr('href'), true);
    }

    if ($tab.length) {
        $ul.children('li.active').removeClass('active');
        $(this).closest('li').addClass('active');
        $container.children('.tab_content').hide();
        $tab.fadeIn('fast').show();
        return false;
    }

});
$.changeHash = function(hash, quiet) {
  if (quiet) {
    hash = hash.replace( /^#/, '' );
    var fx, node = $( '#' + hash );
    if ( node.length ) {
      node.attr( 'id', '' );
      fx = $( '<div></div>' )
              .css({
                  position:'absolute',
                  visibility:'hidden',
                  top: $(document).scrollTop() + 'px'
              })
              .attr( 'id', hash )
              .appendTo( document.body );
    }
    document.location.hash = hash;
    if ( node.length ) {
      fx.remove();
      node.attr( 'id', hash );
    }
  }
  else {
    document.location.hash = hash;
  }
};

// Forms — submit, stay on same tab
$(document).on('submit', 'form', function() {
    if (!!$(this).attr('action') && $(this).attr('action').indexOf('#') == -1)
        $(this).attr('action', $(this).attr('action') + window.location.hash);
});

//Collaborators
$(document).on('click', 'a.collaborator, a.collaborators:not(.noclick)', function(e) {
    e.preventDefault();
    var url = 'ajax.php/'+$(this).attr('href').substr(1);
    $.dialog(url, 201, function (xhr) {
       var resp = $.parseJSON(xhr.responseText);
       $('#t'+resp.id+'-recipients').text(resp.text);
       $('.tip_box').remove();
    }, {
        onshow: function() { $('#user-search').focus(); }
    });
    return false;
 });

// NOTE: getConfig should be global
getConfig = (function() {
    var dfd = $.Deferred(),
        requested = false;
    return function() {
        return dfd;
    };
})();

$(document).on('pjax:click', function(options) {
    // Stop all animations
    $(document).stop(false, true);

    // Remove tips and clear any pending timer
    $('.tip, .help-tips, .previewfaq, .preview').each(function() {
        if ($(this).data('timer'))
            clearTimeout($(this).data('timer'));
    });
    $('.tip_box, .typeahead.dropdown-menu').remove();
});

$(document).on('pjax:start', function() {
    // Cancel save-changes warning banner
    $(document).unbind('pjax:beforeSend.changed');
    $(window).unbind('beforeunload');
    // Close popups
    $('.dialog .body').empty().parent().hide();
    $.toggleOverlay(false);
    // Close tooltips
    $('.tip_box').remove();
});

$(document).on('pjax:send', function(event) {

    if ($('#loadingbar').length !== 0) {
        $('#loadingbar').remove();
    }

    $("body").append("<div id='loadingbar'></div>");
    $("#loadingbar").addClass("waiting").append($("<dt/><dd/>"));

    // right
    $('#loadingbar').stop(false, true).width((50 + Math.random() * 30) + "%");
    $('#overlay').css('background-color','white');
    $.toggleOverlay(true);
});

$(document).on('pjax:complete', function() {
    // right
    $("#loadingbar").width("101%").delay(200).fadeOut(400, function() {
        $(this).remove();
    });
    $.toggleOverlay(false);
    $('#overlay').removeAttr('style');
});

// Enable PJAX for the staff interface
if ($.support.pjax) {
  $(document).on('click', 'a', function(event) {
    var $this = $(this);
    if (!$this.hasClass('no-pjax')
        && !$this.closest('.no-pjax').length
        && $this.attr('href').charAt(0) != '#')
      $.pjax.click(event, {container: $this.data('pjaxContainer') || $('#pjax-container'), timeout: 30000});
  })
}

$(document).on('click', '.link:not(a):not(.button)', function(event) {
  var $e = $(event.currentTarget);
  $('<a>').attr({href: $e.attr('href'), 'class': $e.attr('class')})
    .hide()
    .insertBefore($e)
    .get(0).click(event);
});

// Quick-Add dialogs
$(document).on('change', 'select[data-quick-add]', function() {
    var $select = $(this),
        selected = $select.find('option:selected'),
        type = selected.parent().closest('[data-quick-add]').data('quickAdd');
    if (!type || (selected.data('quickAdd') === undefined && selected.val() !== ':new:'))
        return;
    $.dialog('ajax.php/admin/quick-add/' + type, 201,
    function(xhr, data) {
        data = JSON.parse(data);
        if (data && data.id && data.name) {
          var id = data.id;
          if (selected.data('idPrefix'))
            id = selected.data('idPrefix') + id;
          $('<option>')
            .attr('value', id)
            .text(data.name)
            .insertBefore(selected)
          $select.val(id);
        }
    });
});

// Quick note interface
$(document).on('click.note', '.quicknote .action.edit-note', function() {
    var note = $(this).closest('.quicknote'),
        body = note.find('.body'),
        T = $('<textarea>').text(body.html());
    if (note.closest('.dialog, .tip_box').length)
        T.addClass('no-bar small');
    body.replaceWith(T);
    $.redact(T);
    $(T).redactor('focus.setStart');
    note.find('.action.edit-note').hide();
    note.find('.action.save-note').show();
    note.find('.action.cancel-edit').show();
    $('#new-note-box').hide();
    return false;
});
$(document).on('click.note', '.quicknote .action.cancel-edit', function() {
    var note = $(this).closest('.quicknote'),
        T = note.find('textarea'),
        body = $('<div class="body">');
    body.load('ajax.php/note/' + note.data('id'), function() {
      try { T.redactor('core.destroy'); } catch (e) {}
      T.replaceWith(body);
      note.find('.action.save-note').hide();
      note.find('.action.cancel-edit').hide();
      note.find('.action.edit-note').show();
      $('#new-note-box').show();
    });
    return false;
});
$(document).on('click.note', '.quicknote .action.save-note', function() {
    var note = $(this).closest('.quicknote'),
        T = note.find('textarea');
    $.post('ajax.php/note/' + note.data('id'),
      { note: T.redactor('code.get') },
      function(html) {
        var body = $('<div class="body">').html(html);
        try { T.redactor('core.destroy'); } catch (e) {}
        T.replaceWith(body);
        note.find('.action.save-note').hide();
        note.find('.action.cancel-edit').hide();
        note.find('.action.edit-note').show();
        $('#new-note-box').show();
      },
      'html'
    );
    return false;
});
$(document).on('click.note', '.quicknote .delete', function() {
  var that = $(this),
      id = $(this).closest('.quicknote').data('id');
  $.ajax('ajax.php/note/' + id, {
    type: 'delete',
    success: function() {
      that.closest('.quicknote').animate(
        {height: 0, opacity: 0}, 'slow', function() {
          $(this).remove();
      });
    }
  });
  return false;
});
$(document).on('click', '#new-note', function() {
  var note = $(this).closest('.quicknote'),
    T = $('<textarea>'),
    button = $('<input type="button">').val(__('Create'));
    button.click(function() {
      $.post('ajax.php/' + note.data('url'),
        { note: T.redactor('code.get'), no_options: note.hasClass('no-options') },
        function(response) {
          $(T).redactor('core.destroy').replaceWith(note);
          $(response).show('highlight').insertBefore(note.parent());
          $('.submit', note.parent()).remove();
        },
        'html'
      );
    });
    if (note.closest('.dialog, .tip_box').length)
        T.addClass('no-bar small');
    note.replaceWith(T);
    $('<p>').addClass('submit').css('text-align', 'center')
        .append(button).appendTo(T.parent());
    $.redact(T);
    $(T).redactor('focus.setStart');
    return false;
});

function __(s) {
  if ($.oststrings && $.oststrings[s])
    return $.oststrings[s];
  return s;
}

// Thanks, http://stackoverflow.com/a/487049
function addSearchParam(data) {
    var kvp = document.location.search.substr(1).replace('+', ' ').split('&');
    var i=kvp.length, x, params = {};
    while (i--) {
        x = kvp[i].split('=');
        params[decodeURIComponent(x[0])] = decodeURIComponent(x[1]);
    }

    //this will reload the page, it's likely better to store this until finished
    return $.param($.extend(params, data));
}

// Periodically adjust relative times
window.relativeAdjust = setInterval(function() {
  // Thanks, http://stackoverflow.com/a/7641822/1025836
  var prettyDate = function(time) {
    var date = new Date((time || "").replace(/-/g, "/").replace(/[TZ]/g, " ")),
        diff = (((new Date()).getTime() - date.getTime()) / 1000),
        day_diff = Math.floor(diff / 86400);

    if (isNaN(day_diff) || day_diff < 0 || day_diff >= 31) return;

    return day_diff == 0 && (
         diff < 60 && __("just now")
      || diff < 120 && __("about a minute ago")
      || diff < 3600 && __("%d minutes ago").replace('%d', Math.floor(diff/60))
      || diff < 7200 && __("about an hour ago")
      || diff < 86400 &&  __("%d hours ago").replace('%d', Math.floor(diff/3600))
    )
    || day_diff == 1 && __("yesterday")
    || day_diff < 7 && __("%d days ago").replace('%d', day_diff);
    // Longer dates don't need to change dynamically
  };
  $('time.relative[datetime]').each(function() {
    var rel = prettyDate($(this).attr('datetime'));
    if (rel) $(this).text(rel);
  });
}, 20000);

// Add 'afterShow' event to jQuery elements,
// thanks http://stackoverflow.com/a/1225238/1025836
(function ($) {
    var _oldShow = $.fn.show;

    $.fn.show = function (/*speed, easing, callback*/) {
        var argsArray = Array.prototype.slice.call(arguments),
            duration = argsArray[0],
            easing,
            callback,
            callbackArgIndex;

        // jQuery recursively calls show sometimes; we shouldn't
        //  handle such situations. Pass it to original show method.
        if (!this.selector) {
            _oldShow.apply(this, argsArray);
            return this;
        }

        if (argsArray.length === 2) {
            if ($.isFunction(argsArray[1])) {
                callback = argsArray[1];
                callbackArgIndex = 1;
            } else {
                easing = argsArray[1];
            }
        } else if (argsArray.length === 3) {
            easing = argsArray[1];
            callback = argsArray[2];
            callbackArgIndex = 2;
        }
        return $(this).each(function () {
            var obj = $(this),
                oldCallback = callback,
                newCallback = function () {
                    if ($.isFunction(oldCallback)) {
                        oldCallback.apply(obj);
                    }
                };
            if (callback) {
                argsArray[callbackArgIndex] = newCallback;
            }
            obj.trigger('beforeShow');
            _oldShow.apply(obj, argsArray);
            obj.trigger('afterShow');
        });
    };
})(jQuery);