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<?php

class WP_Widget_Text extends WP_Widget
{
    protected $registered = false;
    public function __construct()
    {
        $widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text.'), 'customize_selective_refresh' => true);
        $control_ops = array('width' => 400, 'height' => 350);
        parent::__construct('text', __('Text'), $widget_ops, $control_ops);
    }
    public function _register_one($number = -1)
    {
        parent::_register_one($number);
        if ($this->registered) {
            return;
        }
        $this->registered = true;
        wp_add_inline_script('text-widgets', sprintf('wp.textWidgets.idBases.push( %s );', wp_json_encode($this->id_base)));
        if ($this->is_preview()) {
            add_action('wp_enqueue_scripts', array($this, 'enqueue_preview_scripts'));
        }
        add_action('admin_print_scripts-widgets.php', array($this, 'enqueue_admin_scripts'));
        add_action('admin_footer-widgets.php', array('WP_Widget_Text', 'render_control_template_scripts'));
    }
    public function is_legacy_instance($instance)
    {
        if (isset($instance['visual'])) {
            return !$instance['visual'];
        }
        if (isset($instance['filter']) && 'content' === $instance['filter']) {
            return false;
        }
        if (empty($instance['text'])) {
            return false;
        }
        $wpautop = !empty($instance['filter']);
        $has_line_breaks = false !== strpos(trim($instance['text']), "\n");
        if (!$wpautop && $has_line_breaks) {
            return true;
        }
        if (false !== strpos($instance['text'], '<!--')) {
            return true;
        }
        if (!class_exists('DOMDocument')) {
            return true;
        }
        $doc = new DOMDocument();
        $errors = libxml_use_internal_errors(true);
        @$doc->loadHTML(sprintf('<!DOCTYPE html><html><head><meta charset="%s"></head><body>%s</body></html>', esc_attr(get_bloginfo('charset')), $instance['text']));
        libxml_use_internal_errors($errors);
        $body = $doc->getElementsByTagName('body')->item(0);
        $safe_elements_attributes = array('strong' => array(), 'em' => array(), 'b' => array(), 'i' => array(), 'u' => array(), 's' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(), 'hr' => array(), 'abbr' => array(), 'acronym' => array(), 'code' => array(), 'dfn' => array(), 'a' => array('href' => true), 'img' => array('src' => true, 'alt' => true));
        $safe_empty_elements = array('img', 'hr', 'iframe');
        foreach ($body->getElementsByTagName('*') as $element) {
            $tag_name = strtolower($element->nodeName);
            if (!isset($safe_elements_attributes[$tag_name])) {
                return true;
            }
            if (!in_array($tag_name, $safe_empty_elements, true) && '' === trim($element->textContent)) {
                return true;
            }
            foreach ($element->attributes as $attribute) {
                $attribute_name = strtolower($attribute->nodeName);
                if (!isset($safe_elements_attributes[$tag_name][$attribute_name])) {
                    return true;
                }
            }
        }
        return false;
    }
    public function _filter_gallery_shortcode_attrs($attrs)
    {
        if (!is_singular() && empty($attrs['id']) && empty($attrs['include'])) {
            $attrs['id'] = -1;
        }
        return $attrs;
    }
    public function widget($args, $instance)
    {
        global $post;
        $title = !empty($instance['title']) ? $instance['title'] : '';
        $title = apply_filters('widget_title', $title, $instance, $this->id_base);
        $text = !empty($instance['text']) ? $instance['text'] : '';
        $is_visual_text_widget = !empty($instance['visual']) && !empty($instance['filter']);
        if (!$is_visual_text_widget) {
            $is_visual_text_widget = isset($instance['filter']) && 'content' === $instance['filter'];
        }
        if ($is_visual_text_widget) {
            $instance['filter'] = true;
            $instance['visual'] = true;
        }
        $widget_text_do_shortcode_priority = has_filter('widget_text', 'do_shortcode');
        $should_suspend_legacy_shortcode_support = $is_visual_text_widget && false !== $widget_text_do_shortcode_priority;
        if ($should_suspend_legacy_shortcode_support) {
            remove_filter('widget_text', 'do_shortcode', $widget_text_do_shortcode_priority);
        }
        $original_post = $post;
        if (is_singular()) {
            $post = get_queried_object();
        } else {
            $post = null;
        }
        add_filter('shortcode_atts_gallery', array($this, '_filter_gallery_shortcode_attrs'));
        $text = apply_filters('widget_text', $text, $instance, $this);
        if ($is_visual_text_widget) {
            $text = apply_filters('widget_text_content', $text, $instance, $this);
        } else {
            if (!empty($instance['filter'])) {
                $text = wpautop($text);
            }
            if (has_filter('widget_text_content', 'do_shortcode') && !$widget_text_do_shortcode_priority) {
                if (!empty($instance['filter'])) {
                    $text = shortcode_unautop($text);
                }
                $text = do_shortcode($text);
            }
        }
        $post = $original_post;
        remove_filter('shortcode_atts_gallery', array($this, '_filter_gallery_shortcode_attrs'));
        if ($should_suspend_legacy_shortcode_support) {
            add_filter('widget_text', 'do_shortcode', $widget_text_do_shortcode_priority);
        }
        echo $args['before_widget'];
        if (!empty($title)) {
            echo $args['before_title'] . $title . $args['after_title'];
        }
        $text = preg_replace_callback('#<(video|iframe|object|embed)\\s[^>]*>#i', array($this, 'inject_video_max_width_style'), $text);
        $text = wp_targeted_link_rel($text);
        ?>
			<div class="textwidget"><?php 
        echo $text;
        ?></div>
		<?php 
        echo $args['after_widget'];
    }
    public function inject_video_max_width_style($matches)
    {
        $html = $matches[0];
        $html = preg_replace('/\\sheight="\\d+"/', '', $html);
        $html = preg_replace('/\\swidth="\\d+"/', '', $html);
        $html = preg_replace('/(?<=width:)\\s*\\d+px(?=;?)/', '100%', $html);
        return $html;
    }
    public function update($new_instance, $old_instance)
    {
        $new_instance = wp_parse_args($new_instance, array('title' => '', 'text' => '', 'filter' => false, 'visual' => null));
        $instance = $old_instance;
        $instance['title'] = sanitize_text_field($new_instance['title']);
        if (current_user_can('unfiltered_html')) {
            $instance['text'] = $new_instance['text'];
        } else {
            $instance['text'] = wp_kses_post($new_instance['text']);
        }
        $instance['filter'] = !empty($new_instance['filter']);
        if (isset($old_instance['filter']) && 'content' === $old_instance['filter']) {
            $instance['visual'] = true;
        }
        if ('content' === $new_instance['filter']) {
            $instance['visual'] = true;
        }
        if (isset($new_instance['visual'])) {
            $instance['visual'] = !empty($new_instance['visual']);
        }
        if (!empty($instance['visual'])) {
            $instance['filter'] = true;
        }
        return $instance;
    }
    public function enqueue_preview_scripts()
    {
        require_once dirname(__DIR__) . '/media.php';
        wp_playlist_scripts('audio');
        wp_playlist_scripts('video');
    }
    public function enqueue_admin_scripts()
    {
        wp_enqueue_editor();
        wp_enqueue_media();
        wp_enqueue_script('text-widgets');
        wp_add_inline_script('text-widgets', 'wp.textWidgets.init();', 'after');
    }
    public function form($instance)
    {
        $instance = wp_parse_args((array) $instance, array('title' => '', 'text' => ''));
        ?>
		<?php 
        if (!$this->is_legacy_instance($instance)) {
            ?>
			<?php 
            if (user_can_richedit()) {
                add_filter('the_editor_content', 'format_for_editor', 10, 2);
                $default_editor = 'tinymce';
            } else {
                $default_editor = 'html';
            }
            $text = apply_filters('the_editor_content', $instance['text'], $default_editor);
            if (user_can_richedit()) {
                remove_filter('the_editor_content', 'format_for_editor');
            }
            $escaped_text = preg_replace('#</textarea#i', '&lt;/textarea', $text);
            ?>
			<input id="<?php 
            echo $this->get_field_id('title');
            ?>" name="<?php 
            echo $this->get_field_name('title');
            ?>" class="title sync-input" type="hidden" value="<?php 
            echo esc_attr($instance['title']);
            ?>">
			<textarea id="<?php 
            echo $this->get_field_id('text');
            ?>" name="<?php 
            echo $this->get_field_name('text');
            ?>" class="text sync-input" hidden><?php 
            echo $escaped_text;
            ?></textarea>
			<input id="<?php 
            echo $this->get_field_id('filter');
            ?>" name="<?php 
            echo $this->get_field_name('filter');
            ?>" class="filter sync-input" type="hidden" value="on">
			<input id="<?php 
            echo $this->get_field_id('visual');
            ?>" name="<?php 
            echo $this->get_field_name('visual');
            ?>" class="visual sync-input" type="hidden" value="on">
		<?php 
        } else {
            ?>
			<input id="<?php 
            echo $this->get_field_id('visual');
            ?>" name="<?php 
            echo $this->get_field_name('visual');
            ?>" class="visual" type="hidden" value="">
			<p>
				<label for="<?php 
            echo $this->get_field_id('title');
            ?>"><?php 
            _e('Title:');
            ?></label>
				<input class="widefat" id="<?php 
            echo $this->get_field_id('title');
            ?>" name="<?php 
            echo $this->get_field_name('title');
            ?>" type="text" value="<?php 
            echo esc_attr($instance['title']);
            ?>"/>
			</p>
			<div class="notice inline notice-info notice-alt">
				<?php 
            if (!isset($instance['visual'])) {
                ?>
					<p><?php 
                _e('This widget may contain code that may work better in the &#8220;Custom HTML&#8221; widget. How about trying that widget instead?');
                ?></p>
				<?php 
            } else {
                ?>
					<p><?php 
                _e('This widget may have contained code that may work better in the &#8220;Custom HTML&#8221; widget. If you haven&#8217;t yet, how about trying that widget instead?');
                ?></p>
				<?php 
            }
            ?>
			</div>
			<p>
				<label for="<?php 
            echo $this->get_field_id('text');
            ?>"><?php 
            _e('Content:');
            ?></label>
				<textarea class="widefat" rows="16" cols="20" id="<?php 
            echo $this->get_field_id('text');
            ?>" name="<?php 
            echo $this->get_field_name('text');
            ?>"><?php 
            echo esc_textarea($instance['text']);
            ?></textarea>
			</p>
			<p>
				<input id="<?php 
            echo $this->get_field_id('filter');
            ?>" name="<?php 
            echo $this->get_field_name('filter');
            ?>" type="checkbox"<?php 
            checked(!empty($instance['filter']));
            ?> />&nbsp;<label for="<?php 
            echo $this->get_field_id('filter');
            ?>"><?php 
            _e('Automatically add paragraphs');
            ?></label>
			</p>
			<?php 
        }
    }
    public static function render_control_template_scripts()
    {
        $dismissed_pointers = explode(',', (string) get_user_meta(get_current_user_id(), 'dismissed_wp_pointers', true));
        ?>
		<script type="text/html" id="tmpl-widget-text-control-fields">
			<# var elementIdPrefix = 'el' + String( Math.random() ).replace( /\D/g, '' ) + '_' #>
			<p>
				<label for="{{ elementIdPrefix }}title"><?php 
        esc_html_e('Title:');
        ?></label>
				<input id="{{ elementIdPrefix }}title" type="text" class="widefat title">
			</p>

<?php 
        if (!in_array('text_widget_custom_html', $dismissed_pointers, true)) {
            ?>
				<div hidden class="wp-pointer custom-html-widget-pointer wp-pointer-top">
					<div class="wp-pointer-content">
						<h3><?php 
            _e('New Custom HTML Widget');
            ?></h3>
						<?php 
            if (is_customize_preview()) {
                ?>
							<p><?php 
                _e('Did you know there is a &#8220;Custom HTML&#8221; widget now? You can find it by pressing the &#8220;<a class="add-widget" href="#">Add a Widget</a>&#8221; button and searching for &#8220;HTML&#8221;. Check it out to add some custom code to your site!');
                ?></p>
						<?php 
            } else {
                ?>
							<p><?php 
                _e('Did you know there is a &#8220;Custom HTML&#8221; widget now? You can find it by scanning the list of available widgets on this screen. Check it out to add some custom code to your site!');
                ?></p>
						<?php 
            }
            ?>
						<div class="wp-pointer-buttons">
							<a class="close" href="#"><?php 
            _e('Dismiss');
            ?></a>
						</div>
					</div>
					<div class="wp-pointer-arrow">
						<div class="wp-pointer-arrow-inner"></div>
					</div>
				</div>
			<?php 
        }
        ?>

<?php 
        if (!in_array('text_widget_paste_html', $dismissed_pointers, true)) {
            ?>
				<div hidden class="wp-pointer paste-html-pointer wp-pointer-top">
					<div class="wp-pointer-content">
						<h3><?php 
            _e('Did you just paste HTML?');
            ?></h3>
						<p><?php 
            _e('Hey there, looks like you just pasted HTML into the &#8220;Visual&#8221; tab of the Text widget. You may want to paste your code into the &#8220;Text&#8221; tab instead. Alternately, try out the new &#8220;Custom HTML&#8221; widget!');
            ?></p>
						<div class="wp-pointer-buttons">
							<a class="close" href="#"><?php 
            _e('Dismiss');
            ?></a>
						</div>
					</div>
					<div class="wp-pointer-arrow">
						<div class="wp-pointer-arrow-inner"></div>
					</div>
				</div>
			<?php 
        }
        ?>

<p>
				<label for="{{ elementIdPrefix }}text" class="screen-reader-text"><?php 
        esc_html_e('Content:');
        ?></label>
				<textarea id="{{ elementIdPrefix }}text" class="widefat text wp-editor-area" style="height: 200px" rows="16" cols="20"></textarea>
			</p>
		</script>
		<?php 
    }
}