Initial commit

content/inc/Action/Preview.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace dokuwiki\Action;
+
+/**
+ * Class Preview
+ *
+ * preview during editing
+ *
+ * @package dokuwiki\Action
+ */
+class Preview extends Edit {
+
+    /** @inheritdoc */
+    public function preProcess() {
+        header('X-XSS-Protection: 0');
+        $this->savedraft();
+        parent::preProcess();
+    }
+
+    /** @inheritdoc */
+    public function tplContent() {
+        global $TEXT;
+        html_edit();
+        html_show($TEXT);
+    }
+
+    /**
+     * Saves a draft on preview
+     */
+    protected function savedraft() {
+        global $ID, $INFO;
+        $draft = new \dokuwiki\Draft($ID, $INFO['client']);
+        if (!$draft->saveDraft()) {
+            $errors = $draft->getErrors();
+            foreach ($errors as $error) {
+                msg(hsc($error), -1);
+            }
+        }
+    }
+
+}