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<?php
/**
* Shortcode Button Class
*
* @package Give
* @subpackage Admin
* @author Paul Ryley
* @copyright Copyright (c) 2016, GiveWP
* @license https://opensource.org/licenses/gpl-license GNU Public License
* @version 1.0
* @since 1.3.0
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Give_Shortcode_Button
*/
final class Give_Shortcode_Button {
/**
* All shortcode tags
*
* @since 1.0
*/
public static $shortcodes;
/**
* Class constructor
*/
public function __construct() {
add_action( 'current_screen', array( $this, 'init' ), 999 );
add_action( 'admin_init', array( $this, 'ajax_handler' ) );
}
/**
* Initialize
*
* @since 2.1.0
* @access public
*/
public function init() {
if ( $this->is_add_button() ) {
add_filter( 'mce_external_plugins', array( $this, 'mce_external_plugins' ), 15 );
add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_assets' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'admin_localize_scripts' ), 13 );
add_action( 'media_buttons', array( $this, 'shortcode_button' ) );
}
}
/**
* Ajax handler for shortcode
*
* @since 2.3.0
*/
public function ajax_handler() {
add_action( 'wp_ajax_give_shortcode', array( $this, 'shortcode_ajax' ) );
}
/**
* Register any TinyMCE plugins
*
* @param array $plugin_array
*
* @return array|bool
*
* @since 1.0
*/
public function mce_external_plugins( $plugin_array ) {
if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) ) {
return false;
}
$plugin_array['give_shortcode'] = GIVE_PLUGIN_URL . 'includes/admin/shortcodes/mce-plugin.js';
return $plugin_array;
}
/**
* Enqueue the admin assets
*
* @return void
*
* @since 1.0
*/
public function admin_enqueue_assets() {
$direction = ( is_rtl() || isset( $_GET['d'] ) && 'rtl' === $_GET['d'] ) ? '.rtl' : '';
wp_enqueue_script(
'give_shortcode',
GIVE_PLUGIN_URL . 'assets/dist/js/admin-shortcodes.js',
array( 'jquery' ),
GIVE_VERSION,
true
);
wp_enqueue_style(
'give-admin-shortcode-button-style',
GIVE_PLUGIN_URL . 'assets/dist/css/admin-shortcode-button' . $direction . '.css',
array(),
GIVE_VERSION
);
}
/**
* Localize the admin scripts
*
* @return void
*
* @since 1.0
*/
public function admin_localize_scripts() {
if ( ! empty( self::$shortcodes ) ) {
$variables = array();
foreach ( self::$shortcodes as $shortcode => $values ) {
if ( ! empty( $values['required'] ) ) {
$variables[ $shortcode ] = $values['required'];
}
}
wp_localize_script( 'give_shortcode', 'scShortcodes', $variables );
}
}
/**
* Adds the "Donation Form" button above the TinyMCE Editor on add/edit screens.
*
* @return string|bool
*
* @since 1.0
*/
public function shortcode_button() {
$shortcodes = array();
foreach ( self::$shortcodes as $shortcode => $values ) {
/**
* Filters the condition for including the current shortcode
*
* @since 1.0
*/
if ( apply_filters( sanitize_title( $shortcode ) . '_condition', true ) ) {
$shortcodes[ $shortcode ] = sprintf(
'<div class="sc-shortcode mce-menu-item give-shortcode-item-%1$s" data-shortcode="%2$s">%3$s</div>',
$shortcode,
$shortcode,
$values['label']
);
}
}
if ( ! empty( $shortcodes ) ) {
// check current WP version
$img = ( version_compare( get_bloginfo( 'version' ), '3.5', '<' ) )
? '<img src="' . GIVE_PLUGIN_URL . 'assets/dist/images/give-media.png" />'
: '<span class="wp-media-buttons-icon" id="give-media-button" style="background-image: url(' . give_svg_icons( 'give_grey' ) . ');"></span>';
reset( $shortcodes );
if ( 1 === count( $shortcodes ) ) {
$shortcode = key( $shortcodes );
printf(
'<button type="button" class="button sc-shortcode" data-shortcode="%s">%s</button>',
$shortcode,
sprintf(
'%s %s %s',
$img,
__( 'Insert', 'give' ),
self::$shortcodes[ $shortcode ]['label']
)
);
} else {
printf(
'<div class="sc-wrap">' .
'<button class="button sc-button" type="button">%s %s</button>' .
'<div class="sc-menu mce-menu">%s</div>' .
'</div>',
$img,
__( 'GiveWP Shortcodes', 'give' ),
implode( '', array_values( $shortcodes ) )
);
}
}
}
/**
* Load the shortcode dialog fields via AJAX
*
* @todo: handle error
*
* @return void
*
* @since 1.0
*/
public function shortcode_ajax() {
if ( ! current_user_can( 'edit_give_forms' ) ) {
wp_die();
}
$shortcode = isset( $_POST['shortcode'] ) ? $_POST['shortcode'] : false;
$response = false;
if ( $shortcode && array_key_exists( $shortcode, self::$shortcodes ) ) {
$data = self::$shortcodes[ $shortcode ];
if ( ! empty( $data['errors'] ) ) {
$data['btn_okay'] = array( esc_html__( 'Okay', 'give' ) );
}
$response = array(
'body' => $data['fields'],
'close' => $data['btn_close'],
'ok' => $data['btn_okay'],
'shortcode' => $shortcode,
'title' => $data['title'],
);
} else {
error_log( print_r( 'AJAX error!', 1 ) );
}
wp_send_json( $response );
}
/**
* Flag to check add shortcode button to current screen or not
*
* @since 2.1.0
* @access private
* @return bool
*/
private function is_add_button() {
global $pagenow;
$shortcode_button_pages = apply_filters(
'give_shortcode_button_pages',
array(
'post.php',
'page.php',
'post-new.php',
'post-edit.php',
'edit.php',
)
);
$exclude_post_types = array( 'give_forms' );
/* @var WP_Screen $current_screen */
$current_screen = get_current_screen();
// Only run in admin post/page creation and edit screens
if (
! is_admin()
|| ! in_array( $pagenow, $shortcode_button_pages )
|| in_array( $current_screen->post_type, $exclude_post_types )
/**
* Fire the filter
* Use this filter to show Give Shortcode button on custom pages
*
* @since 1.0
*/
|| ! apply_filters( 'give_shortcode_button_condition', true )
|| empty( self::$shortcodes )
) {
return false;
}
return true;
}
}
new Give_Shortcode_Button();