first commit

layouts/joomla/form/field/contenthistory.php

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+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  Layout
+ *
+ * @copyright   (C) 2015 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+
+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   string   $link            The link for the content history page
+ * @var   string   $label           The label text
+ * @var   string   $dataAttribute   Miscellaneous data attributes preprocessed for HTML output
+ * @var   array    $dataAttributes  Miscellaneous data attributes for eg, data-*.
+ */
+
+echo HTMLHelper::_(
+    'bootstrap.renderModal',
+    'versionsModal',
+    [
+        'url'    => Route::_($link),
+        'title'  => $label,
+        'height' => '100%',
+        'width'  => '100%',
+        'modalWidth'  => '80',
+        'bodyHeight'  => '60',
+        'footer' => '<button type="button" class="btn btn-secondary" data-bs-dismiss="modal" aria-hidden="true">'
+            . Text::_('JLIB_HTML_BEHAVIOR_CLOSE') . '</button>'
+    ]
+);
+
+?>
+<button
+    type="button"
+    class="btn btn-secondary"
+    data-bs-toggle="modal"
+    data-bs-target="#versionsModal"
+    <?php echo $dataAttribute; ?>>
+        <span class="icon-code-branch" aria-hidden="true"></span>
+        <?php echo $label; ?>
+</button>