Move cursor to the text area end after replying.

boards/static/js/thread.js

@@ -1,80 +1,94
 var image_mode = 0;
 var normal_dom, table_dom;
 
 function add_panel(after)
 {
     var nav_top = $(after);
     if (nav_top.length === 0) return;
     nav_top = nav_top[0];
 
     var tab_bar = $('<div class="image-mode-tab" role="radiogroup" aria-label="Image mode"></div>');
 
     var tab;
 
     tab = $('<input type="radio" class="image-mode-normal" name="image-mode" value="0" checked="checked"/>');
     tab.on("change", tab_handler);
     tab = $('<label>Normal</label>').prepend(tab);
     tab_bar.append(tab);
 
     tab = $('<input type="radio" class="image-mode-table" name="image-mode" value="1"/>');
     tab.on("change", tab_handler);
     tab = $('<label>Gallery</label>').prepend(tab);
     tab_bar.append(tab);
 
     tab_bar.insertAfter(nav_top);
 }
 
 function tab_handler(ev)
 {
     var current_el = $(this);
 
     if (!current_el.prop('checked')) return;
 
     var new_mode = parseInt(current_el.val(), 10);
     if (new_mode === image_mode) return;
     image_mode = new_mode;
 
     make_normal_dom();
     make_table_dom();
 
     switch(new_mode) {
         case 0:
             $('#posts-table').replaceWith(normal_dom);
             break;
         case 1:
             $('#posts').replaceWith(table_dom);
             break;
     }
 }
 
 function make_normal_dom()
 {
     if (typeof normal_dom === 'undefined') {
         normal_dom = $('#posts').clone(true);
     }
 }
 
 function make_table_dom()
 {
     if (typeof table_dom !== 'undefined') return;
 
     table_dom = $('<div id="posts-table"></div>');
     $('#posts > .post > .image > a').each(
         function(){
             table_dom.append(
                 $(this).clone().attr('target', '_blank')
             );
         }
     );
 }
 
+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 addQuickReply(postId) {
     var textToAdd = '>>' + postId + '\n\n';
     $('#id_text').val($('#id_text').val()+ textToAdd);
 
+    var textarea = document.getElementById('id_text');
+    moveCaretToEnd(textarea);
+
     $("html, body").animate({ scrollTop: $('#id_text').offset().top }, "slow");
 }
 
 $(document).ready(function(){
     add_panel('.navigation_panel');
-});
  No newline at end of file
+});