(#3) - templating

modules/Templating/Elements/RsvResetFormButtonElement.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Reservair\Templating\Elements;
+
+use Reservair\Templating\RsvTemplateElement;
+use Reservair\Templating\RsvTemplateSymbols;
+
+/**
+ * Renders a button that asks the form to clear itself. It only carries the
+ * data-rsv-reset marker; RsvFormSender finds marked buttons in the success card
+ * and links them to the form's cleanup. The label can be overridden with the
+ * label attribute.
+ */
+class RsvResetFormButtonElement implements RsvTemplateElement {
+
+    public function render(RsvTemplateSymbols $symbols): string {
+        $label = (string) $symbols->get('label', 'Odeslat znova');
+        return '<button type="button" class="rsv-form-btn" data-rsv-reset>'
+             . esc_html($label)
+             . '</button>';
+    }
+
+    public function symbols(): array {
+        return ['label'];
+    }
+}