1 files changed, 40 insertions, 0 deletions
diff --git a/modules/user/user.permissions.js b/modules/user/user.permissions.js
new file mode 100644
index 000000000..d098da54d
--- /dev/null
+++ b/modules/user/user.permissions.js
@@ -0,0 +1,40 @@
+// $Id$
+(function ($) {
+
+/**
+ * Shows checked and disabled checkboxes for inherited permissions.
+ */
+Drupal.behaviors.permissions = {
+  attach: function (context) {
+    $('table#permissions:not(.permissions-processed)').each(function () {
+      // Create dummy checkboxes. We use dummy checkboxes instead of reusing
+      // the existing checkboxes here because new checkboxes don't alter the
+      // submitted form. If we'd automatically check existing checkboxes, the
+      // permission table would be polluted with redundant entries. This
+      // is deliberate, but desirable when we automatically check them.
+      $(':checkbox', this).not('[name^="2["]').not('[name^="1["]').each(function () {
+        $(this).addClass('real-checkbox');
+        $('<input type="checkbox" class="dummy-checkbox" disabled="disabled" checked="checked" />')
+          .attr('title', Drupal.t("This permission is inherited from the authenticated user role."))
+          .hide()
+          .insertAfter(this);
+      });
+
+      // Helper function toggles all dummy checkboxes based on the checkboxes'
+      // state. If the "authenticated user" checkbox is checked, the checked
+      // and disabled checkboxes are shown, the real checkboxes otherwise.
+      var toggle = function () {
+        $(this).closest('tr')
+          .find('.real-checkbox')[this.checked ? 'hide' : 'show']().end()
+          .find('.dummy-checkbox')[this.checked ? 'show' : 'hide']();
+      };
+
+      // Initialize the authenticated user checkbox.
+      $(':checkbox[name^="2["]', this)
+        .click(toggle)
+        .each(function () { toggle.call(this); });
+    }).addClass('permissions-processed');
+  }
+};
+
+})(jQuery);