add input model value

Author: arutyunyan

src/frontend/example/TodoList.php

@@ -16,7 +16,9 @@ public function view()
                         type="text"
                         class="form-control"
                         placeholder="What needs to be done?"
-                        aria-describedby="button-add">
+                        aria-describedby="button-add"'.
+                        $this->inputValue('task')
+                        .'>
                     <button
                         type="button"
                         class="btn btn-primary">

src/frontend/html/component/Component.php

@@ -135,6 +135,15 @@ public function button()
         return new Button;
     }
 
+    public function inputValue($name)
+    {
+        $id = uniqid();
+
+        $this->scope->addVariable($name)->setCallback($id, 'function (el, value) { el.value = value }');
+
+        return ' id="'.$id.'"';
+    }
+
     public function range($start, $end, $callback)
     {
         $str = '';