1 files changed, 28 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/config/core/Setting/SettingImConvert.php b/platform/www/lib/plugins/config/core/Setting/SettingImConvert.php
new file mode 100644
index 0000000..8740d94
--- /dev/null
+++ b/platform/www/lib/plugins/config/core/Setting/SettingImConvert.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace dokuwiki\plugin\config\core\Setting;
+
+/**
+ * Class setting_im_convert
+ */
+class SettingImConvert extends SettingString {
+
+    /** @inheritdoc */
+    public function update($input) {
+        if($this->isProtected()) return false;
+
+        $input = trim($input);
+
+        $value = is_null($this->local) ? $this->default : $this->local;
+        if($value == $input) return false;
+
+        if($input && !file_exists($input)) {
+            $this->error = true;
+            $this->input = $input;
+            return false;
+        }
+
+        $this->local = $input;
+        return true;
+    }
+}