wp-wrapper.php

<?php
/*
Plugin Name: WP Wrapper
Plugin URI: https://nabtron.com/wp-wrapper/
Description: Wrapper plugin for wordpress
Version: 1.2.5
Author: Nabtron
Author URI: https://nabtron.com/
Min WP Version: 5.0
Max WP Version: 5.8.1
*/

// declaring classes and functions

class Walker_PageDropdownnew extends Walker
{

	var $tree_type = 'page';

	var $db_fields = array('parent' => 'post_parent', 'id' => 'ID');

	function start_el(&$output, $page, $depth = 0, $args = array(), $current_object_id = 0)
	{
		$pad = str_repeat('&nbsp;', $depth * 3);
		$output .= "\t<option class=\"level-$depth\" value=\"$page->ID\"";
		if ($page->ID == get_option("nabwrap_page"))
			$output .= ' selected="selected"';
		$output .= '>';
		$title = esc_html($page->post_title);
		$title = apply_filters('list_pages', $page->post_title, $page);
		$output .= "$pad$title";
		$output .= "</option>\n";
	}
}

function walk_page_dropdown_treenew()
{
	$args = func_get_args();
	if (empty($args[2]['walker'])) // the user's options are the third parameter
		$walker = new Walker_PageDropdownnew;
	else
		$walker = $args[2]['walker'];

	return call_user_func_array(array(&$walker, 'walk'), $args);
}

function wp_dropdown_pagesnab($args = '')
{
	$defaults = array(
		'depth' => 0, 'child_of' => 0,
		'selected' => 0, 'echo' => 1,
		'name' => 'page_id', 'id' => '',
		'show_option_none' => '', 'show_option_no_change' => '',
		'option_none_value' => ''
	);

	$r = wp_parse_args($args, $defaults);
	extract($r, EXTR_SKIP);

	$pages = get_pages($r);
	$output = '';
	$name = esc_attr($name);
	// Back-compat with old system where both id and name were based on $name argument
	if (empty($id))
		$id = $name;

	if (!empty($pages)) {
		$output = "<select name=\"$name\" id=\"$id\">\n";
		$output .= walk_page_dropdown_treenew($pages, $depth, $r);
		$output .= "</select>\n";
	}

	$output = apply_filters('wp_dropdown_pages', $output);

	if ($echo)
		echo $output;
}

function nabwrap_addlink()
{
	$addlink_or_not = get_option("nabwrap_addlink");
	$checked = '';
	if ($addlink_or_not == '1') {
		$checked = ' checked="yes" ';
	}
	$output = '<input type="checkbox" name="nabwrap_addlink" value="1" ' . $checked . '/>';
	echo $output;
}

// Update routines
add_action('init', 'nabwrapper_init_func');
function nabwrapper_init_func()
{
	if (empty($_POST['nabwrap_noncename'])) {
		return;
	}
	if (!wp_verify_nonce($_POST['nabwrap_noncename'], plugin_basename(__FILE__))) {
		return;
	}
	if (!current_user_can('manage_options')) {
		return;
	}
	if ('insert' == $_POST['action_nabwrap']) {
		update_option("nabwrap_url", esc_url_raw($_POST['nabwrap_url']));
		update_option("nabwrap_page", sanitize_text_field($_POST['nabwrap_page']));
		update_option("nabwrap_width", sanitize_text_field($_POST['nabwrap_width']));
		update_option("nabwrap_height", sanitize_text_field($_POST['nabwrap_height']));
		$nabwrap_border = intval($_POST['nabwrap_border']);
		if (!$nabwrap_border) {
			$nabwrap_border = '';
		}
		update_option("nabwrap_border", sanitize_text_field($nabwrap_border));
		update_option("nabwrap_scroll", sanitize_text_field($_POST['nabwrap_scroll']));
		update_option("nabwrap_addlink", sanitize_text_field($_POST['nabwrap_addlink'] ?? ''));
	}
}

if (!class_exists('nabwrap_main')) {
	class nabwrap_main
	{
		// PHP 4 Compatible Constructor
		function nabwrap_main()
		{
			$this->__construct();
		}

		// PHP 5 Constructor
		function __construct()
		{
			add_action('admin_menu', 'nabwrap_description_add_menu');
			add_filter('the_content', 'get_nabwrapper_id');
		}
	}

	function nabwrap_description_option_page()
	{
?>

		<!-- Start Options Admin area -->
		<div class="wrap">
			<h2>WP Wrapper Options</h2>
			<div style="margin-top:20px;">
				<form method="post" action="<?php echo $_SERVER["REQUEST_URI"]; ?>&amp;updated=true">
					<div style="">
						<table class="form-table">
							<tr>
								<th scope="col" colspan="3" cellpadding="15"><strong>Settings</strong></th>
							</tr>
							<tr>
								<th scope="row"><strong>Url</strong></th>
								<td><input name="nabwrap_url" size="25" value="<?= esc_url(get_option("nabwrap_url")); ?>" type="text" />
									Enter url with http:// or https://</td>
							</tr>
							<tr>
								<th scope="row"><strong>Page</strong></th>
								<td><?php wp_dropdown_pagesnab('name=nabwrap_page'); ?>
									Select the page on which you want the wrapper to appear</td>
							</tr>
							<tr>
								<th scope="row"><strong>width</strong></th>
								<td><input name="nabwrap_width" size="10" value="<?= esc_attr(get_option("nabwrap_width")); ?>" type="text" />
									specify width in px for the wrapper (can be in % too)</td>
							</tr>
							<tr>
								<th scope="row"><strong>height</strong></th>
								<td><input name="nabwrap_height" size="10" value="<?= esc_attr(get_option("nabwrap_height")); ?>" type="text" />
									specify height in px for the wrapper (can be in % too)</td>
							</tr>
							<tr>
								<th scope="row"><strong>border</strong></th>
								<td><input name="nabwrap_border" size="10" value="<?= esc_attr(get_option("nabwrap_border")); ?>" type="text" />
									Either 1 (yes) or 0 (no)</td>
							</tr>
							<tr>
								<th scope="row"><strong>scroll</strong></th>
								<td><input name="nabwrap_scroll" size="10" value="<?= esc_attr(get_option("nabwrap_scroll")); ?>" type="text" />
									yes | no | auto</td>
							</tr>
							<tr>
								<th scope="row"><strong>add link to nabtron</strong></th>
								<td><?php nabwrap_addlink(); ?>
									( checking this will add "Powered by <a href="http://nabtron.com/" target="_blank">Nabtron</a>" below the wrapper )</td>
							</tr>
						</table>
						<br>
						<p class="submit_nabwrap">
							<input type="hidden" name="nabwrap_noncename" id="nabwrap_noncename" value="<?php echo wp_create_nonce(plugin_basename(__FILE__)); ?>" />
							<input class="button button-primary" name="submit_nabwrap" type="submit" id="submit_nabwrap" value="Save Changes">
							<input class="submit" name="action_nabwrap" value="insert" type="hidden" />
						</p>
				</form>
				<br /><br />
				<hr />
				<center>
					<h4>Developed by <a href="http://nabtron.com/" target="_blank">Nabtron</a>.</h4>
				</center>
			</div>
		</div>

<?php
	} // End function nabwrap_description_option_page()

	// Admin menu Option
	function nabwrap_description_add_menu()
	{
		add_options_page('WP Wrapper Options', 'WP Wrapper', 'manage_options', __FILE__, 'nabwrap_description_option_page');
	}

	function get_nabwrapper_id($content)
	{
		$nabwrap_page  = esc_attr(get_option('nabwrap_page'));
		if (is_page($nabwrap_page)) {
			$nabwrap_url  = esc_url(get_option('nabwrap_url'));
			$nabwrap_width  = esc_attr(get_option('nabwrap_width'));
			$nabwrap_height  = esc_attr(get_option('nabwrap_height'));
			$nabwrap_border  = esc_attr(get_option('nabwrap_border'));
			$nabwrap_scroll  = esc_attr(get_option('nabwrap_scroll'));
			$nabwrap_addlink  = esc_attr(get_option('nabwrap_addlink'));

			if ($nabwrap_url == null) {
				$nabwrap_url  = "https://apple.com/";
			}

			$content .= '<iframe width="' . $nabwrap_width . '" height="' . $nabwrap_height . '" src="' . $nabwrap_url . '" frameBorder="' . $nabwrap_border . '" scrolling="' . $nabwrap_scroll . '"></iframe>';
			if ($nabwrap_addlink == '1') {
				$content .= '<p style="text-align:center">Powered by <a href="http://nabtron.com" target="_blank">Nabtron</a></p>';
			}
		}
		return $content;
	}
}

//instantiate the class
if (class_exists('nabwrap_main')) {
	$nabwrap_main = new nabwrap_main();
}

// add settings link
add_filter('plugin_action_links_' . plugin_basename(__FILE__), 'wpwrapper_add_plugin_page_settings_link');
function wpwrapper_add_plugin_page_settings_link($links)
{
	$links[] = '<a href="' .
		admin_url('options-general.php?page=wp-wrapper/wp-wrapper.php') .
		'">' . __('Settings') . '</a>';
	return $links;
}