Hidden form field using JLayout. Fixes #11008

layouts/joomla/form/field/hidden.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * @package     Joomla.Site
+ * @subpackage  Layout
+ *
+ * @copyright   Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('JPATH_BASE') or die;
+
+extract($displayData);
+
+/**
+ * Layout variables
+ * -----------------
+ * @var   string   $autocomplete    Autocomplete attribute for the field.
+ * @var   boolean  $autofocus       Is autofocus enabled?
+ * @var   string   $class           Classes for the input.
+ * @var   string   $description     Description of the field.
+ * @var   boolean  $disabled        Is this field disabled?
+ * @var   string   $group           Group the field belongs to. <fields> section in form XML.
+ * @var   boolean  $hidden          Is this field hidden in the form?
+ * @var   string   $hint            Placeholder for the field.
+ * @var   string   $id              DOM id of the field.
+ * @var   string   $label           Label of the field.
+ * @var   string   $labelclass      Classes to apply to the label.
+ * @var   boolean  $multiple        Does this field support multiple values?
+ * @var   string   $name            Name of the input field.
+ * @var   string   $onchange        Onchange attribute for the field.
+ * @var   string   $onclick         Onclick attribute for the field.
+ * @var   string   $pattern         Pattern (Reg Ex) of value of the form field.
+ * @var   boolean  $readonly        Is this field read only?
+ * @var   boolean  $repeat          Allows extensions to duplicate elements.
+ * @var   boolean  $required        Is this field required?
+ * @var   integer  $size            Size attribute of the input.
+ * @var   boolean  $spellcheck      Spellcheck state for the form field.
+ * @var   string   $validate        Validation rules to apply.
+ * @var   string   $value           Value attribute of the field.
+ * @var   array    $checkedOptions  Options that will be set as checked.
+ * @var   boolean  $hasValue        Has this field a value assigned?
+ * @var   array    $options         Options available for this field.
+ * @var   array    $inputType       Options available for this field.
+ */
+
+// Initialize some field attributes.
+$class    = !empty($class) ? ' class="' . $class . '"' : '';
+$disabled = $disabled ? ' disabled' : '';
+$onchange = $onchange ? ' onchange="' . $onchange . '"' : '';
+?>
+<input type="hidden" name="<?php
+echo $name; ?>" id="<?php
+echo $id; ?>" value="<?php
+echo htmlspecialchars($value, ENT_COMPAT, 'UTF-8'); ?>"<?php echo $class, $disabled, $onchange; ?> />

libraries/joomla/form/fields/hidden.php

@@ -26,6 +26,14 @@ class JFormFieldHidden extends JFormField
 	 */
 	protected $type = 'Hidden';
 
+	/**
+	 * Name of the layout being used to render the field
+	 *
+	 * @var    string
+	 * @since  3.7
+	 */
+	protected $layout = 'joomla.form.field.hidden';
+
 	/**
 	 * Method to get the field input markup.
 	 *
@@ -35,14 +43,19 @@ class JFormFieldHidden extends JFormField
 	 */
 	protected function getInput()
 	{
-		// Initialize some field attributes.
-		$class = !empty($this->class) ? ' class="' . $this->class . '"' : '';
-		$disabled = $this->disabled ? ' disabled' : '';
-
-		// Initialize JavaScript field attributes.
-		$onchange = $this->onchange ? ' onchange="' . $this->onchange . '"' : '';
+		// Trim the trailing line in the layout file
+		return rtrim($this->getRenderer($this->layout)->render($this->getLayoutData()), PHP_EOL);
+	}
 
-		return '<input type="hidden" name="' . $this->name . '" id="' . $this->id . '" value="'
-			. htmlspecialchars($this->value, ENT_COMPAT, 'UTF-8') . '"' . $class . $disabled . $onchange . ' />';
+	/**
+	 * Method to get the data to be passed to the layout for rendering.
+	 *
+	 * @return  array
+	 *
+	 * @since 3.7
+	 */
+	protected function getLayoutData()
+	{
+		return parent::getLayoutData();
 	}
 }