Fixed suggestions for user mentions in Firefox

diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Redactor/Mention.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Redactor/Mention.js
index 0100a4822cfd3e2bbe52bae35ccd901821c3affb..2ac41f0229687bceff99502ad840a1a78fe4e207 100644 (file)
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Redactor/Mention.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Redactor/Mention.js
@@ -190,13 +190,19 @@ define(['Ajax', 'Environment', 'StringUtil', 'Ui/CloseOverlay'], function(Ajax,
                                return null;
                        }
                        
+                       var container = selection.anchorNode;
+                       if (container.nodeType === Node.TEXT_NODE) {
+                               // work-around for Firefox after suggestions have been presented
+                               container = container.parentNode;
+                       }
+                       
                        // check if there is an '@' within the current range
-                       if (selection.anchorNode.textContent.indexOf('@') === -1) {
+                       if (container.textContent.indexOf('@') === -1) {
                                return null;
                        }
                        
                        // check if we're inside code or quote blocks
-                       var container = selection.anchorNode, editor = this._redactor.core.editor()[0];
+                       var editor = this._redactor.core.editor()[0];
                        while (container && container !== editor) {
                                if (['PRE', 'WOLTLAB-QUOTE'].indexOf(container.nodeName) !== -1) {
                                        return null;