Initial upload of the control panel

cp/public/assets/libs/tinymce/plugins/code/plugin.js

@@ -0,0 +1,85 @@
+/**
+ * TinyMCE version 6.2.0 (2022-09-08)
+ */
+
+(function () {
+    'use strict';
+
+    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+    const setContent = (editor, html) => {
+      editor.focus();
+      editor.undoManager.transact(() => {
+        editor.setContent(html);
+      });
+      editor.selection.setCursorLocation();
+      editor.nodeChanged();
+    };
+    const getContent = editor => {
+      return editor.getContent({ source_view: true });
+    };
+
+    const open = editor => {
+      const editorContent = getContent(editor);
+      editor.windowManager.open({
+        title: 'Source Code',
+        size: 'large',
+        body: {
+          type: 'panel',
+          items: [{
+              type: 'textarea',
+              name: 'code'
+            }]
+        },
+        buttons: [
+          {
+            type: 'cancel',
+            name: 'cancel',
+            text: 'Cancel'
+          },
+          {
+            type: 'submit',
+            name: 'save',
+            text: 'Save',
+            primary: true
+          }
+        ],
+        initialData: { code: editorContent },
+        onSubmit: api => {
+          setContent(editor, api.getData().code);
+          api.close();
+        }
+      });
+    };
+
+    const register$1 = editor => {
+      editor.addCommand('mceCodeEditor', () => {
+        open(editor);
+      });
+    };
+
+    const register = editor => {
+      const onAction = () => editor.execCommand('mceCodeEditor');
+      editor.ui.registry.addButton('code', {
+        icon: 'sourcecode',
+        tooltip: 'Source code',
+        onAction
+      });
+      editor.ui.registry.addMenuItem('code', {
+        icon: 'sourcecode',
+        text: 'Source code',
+        onAction
+      });
+    };
+
+    var Plugin = () => {
+      global.add('code', editor => {
+        register$1(editor);
+        register(editor);
+        return {};
+      });
+    };
+
+    Plugin();
+
+})();