JS formatting panel refactoring

boards/static/js/thread.js

@@ -1,84 +1,88
 /*
  @licstart  The following is the entire license notice for the
  JavaScript code in this page.
 
 
  Copyright (C) 2013  neko259
 
  The JavaScript code in this page is free software: you can
  redistribute it and/or modify it under the terms of the GNU
  General Public License (GNU GPL) as published by the Free Software
  Foundation, either version 3 of the License, or (at your option)
  any later version.  The code is distributed WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
 
  As additional permission under GNU GPL version 3 section 7, you
  may distribute non-source (e.g., minimized or compacted) forms of
  that code without the copy of the GNU GPL normally required by
  section 4, provided you include this license notice and a URL
  through which recipients can access the Corresponding Source.
 
  @licend  The above is the entire license notice
  for the JavaScript code in this page.
  */
 
 var $html = $("html, body");
 
 function moveCaretToEnd(el) {
         if (typeof el.selectionStart == "number") {
             el.selectionStart = el.selectionEnd = el.value.length;
         } else if (typeof el.createTextRange != "undefined") {
             el.focus();
             var range = el.createTextRange();
             range.collapse(false);
             range.select();
         }
 }
 
 function getForm() {
     return $('.post-form-w');
 }
 
 function resetFormPosition() {
     var form = getForm();
     form.insertAfter($('.thread'));
 }
 
 function addQuickReply(postId) {
+    var postLinkRaw = '[post]' + postId + '[/post]'
+
     var textToAdd = '';
     var blockToInsert = null;
 
+    var textAreaJq = $('textarea');
+
     if (postId != null) {
         var post = $('#' + postId);
 
-        // If this is not OP, add reflink to the post
-        if (!post.is(':first-child')) {
-            textToAdd += '[post]' + postId + '[/post]\n';
+        // If this is not OP, add reflink to the post. If there already is
+        // the same reflink, don't add it again.
+        if (!post.is(':first-child') && !textAreaJq.val().contains(postLinkRaw)) {
+            textToAdd += postLinkRaw + '\n';
         }
 
         blockToInsert = post;
     } else {
         blockToInsert = $('.thread');
     }
 
     var selection = window.getSelection().toString();
     if (selection.length > 0) {
         textToAdd += '[quote]' + selection + '[/quote]\n';
     }
 
-    var textAreaId = 'textarea';
-    $(textAreaId).val($(textAreaId).val()+ textToAdd);
+    textAreaJq.val(textAreaJq.val()+ textToAdd);
 
     var form = getForm();
     form.insertAfter(blockToInsert);
     form.show();
 
+    textAreaJq.focus();
     var textarea = document.getElementsByTagName('textarea')[0];
-    $(textAreaId).focus();
     moveCaretToEnd(textarea);
 }
 
 function scrollToBottom() {
     $html.animate({scrollTop: $html.height()}, "fast");
 }