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libraries/src/Button/TransitionButton.php

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+<?php
+
+/**
+ * Joomla! Content Management System
+ *
+ * @copyright  (C) 2020 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\CMS\Button;
+
+use Joomla\CMS\Language\Text;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * The PublishedButton class.
+ *
+ * @since  4.0.0
+ */
+class TransitionButton extends ActionButton
+{
+    /**
+     * The layout path to render.
+     *
+     * @var  string
+     *
+     * @since  4.0.0
+     */
+    protected $layout = 'joomla.button.transition-button';
+
+    /**
+     * ActionButton constructor.
+     *
+     * @param   array  $options  The options for all buttons in this group.
+     *
+     * @since   4.0.0
+     */
+    public function __construct(array $options = [])
+    {
+        parent::__construct($options);
+
+        $this->unknownState['icon']        = 'shuffle';
+        $this->unknownState['title']       = $options['title'] ?? Text::_('JLIB_HTML_UNKNOWN_STATE');
+        $this->unknownState['tip_content'] = $options['tip_content'] ?? $this->unknownState['title'];
+    }
+
+    /**
+     * Render action button by item value.
+     *
+     * @param   integer|null  $value        Current value of this item.
+     * @param   integer|null  $row          The row number of this item.
+     * @param   array         $options      The options to override group options.
+     *
+     * @return  string  Rendered HTML.
+     *
+     * @since  4.0.0
+     */
+    public function render(?int $value = null, ?int $row = null, array $options = []): string
+    {
+        $default  = $this->unknownState;
+
+        $options['tip_title'] = $options['tip_title'] ?? ($options['title'] ?? $default['title']);
+
+        return parent::render($value, $row, $options);
+    }
+}