BUGFIX Removed tinymce-advcode plugin which breaks with new TinyMCE and newer browsers. Both the plugin and the underlying 'codepress' engine are unmaintained. Fall back to standard (non-highlighted) TinyMCE <textarea> editing (fixes silverstripe#6779)

Author: chillu

admin/_config.php

@@ -31,8 +31,7 @@
 HtmlEditorConfig::get('cms')->enablePlugins(array('ssbuttons' => '../../../cms/javascript/tinymce_ssbuttons/editor_plugin_src.js'));
 
 HtmlEditorConfig::get('cms')->insertButtonsBefore('formatselect', 'styleselect');
-HtmlEditorConfig::get('cms')->insertButtonsBefore('advcode', 'ssimage', 'ssflash', 'sslink', 'unlink', 'anchor', 'separator' );
-HtmlEditorConfig::get('cms')->insertButtonsAfter ('advcode', 'fullscreen', 'separator');
+HtmlEditorConfig::get('cms')->addButtonsToLine(2, 'ssimage', 'ssflash', 'sslink', 'unlink', 'anchor', 'separator','code', 'fullscreen', 'separator');
 
 HtmlEditorConfig::get('cms')->removeButtons('tablecontrols');
 HtmlEditorConfig::get('cms')->addButtonsToLine(3, 'tablecontrols');

forms/HtmlEditorConfig.php

@@ -93,7 +93,6 @@ static function get_available_configs_map() {
 		'table' => null, 
 		'emotions' => null, 
 		'paste' => null, 
-		'advcode' => '../../../sapphire/thirdparty/tinymce-advcode/editor_plugin_src.js', 
 		'spellchecker' => null
 	);