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<?php

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/**

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* Admin Shortcode UI Handler

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* @package PUM

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Class PUM_Admin_Shortcode_UI

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* This class maintains a global set of all registered PUM shortcodes.

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* @since 1.7.0

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class PUM_Admin_Shortcode_UI {

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private static $initialized = false;

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/**

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* Here for backward compatibility with 3rd party plugins.

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* @deprecated 1.7.0

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public static function instance() {

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self::init();

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}

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public static function init() {

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if ( ! self::$initialized ) {

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add_action( 'admin_init', [ __CLASS__, 'init_editor' ], 20 );

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self::$initialized = true;

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}

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}

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/**

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* Initialize the editor button when needed.

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public static function init_editor() {

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* Check if the logged in WordPress User can edit Posts or Pages.

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if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) ) {

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return;

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}

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* Check if the logged in WordPress User has the Visual Editor enabled.

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if ( get_user_option( 'rich_editing' ) !== 'true' ) {

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return;

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}

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* Check if the shortcode ui disabled.

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if ( apply_filters( 'pum_disable_shortcode_ui', false ) || pum_get_option( 'disable_shortcode_ui' ) ) {

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return;

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}

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// Add shortcode ui button & js.

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add_filter( 'mce_buttons', [ __CLASS__, 'mce_buttons' ] );

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add_filter( 'mce_external_plugins', [ __CLASS__, 'mce_external_plugins' ] );

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// Add core site styles for form previews.

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add_editor_style( Popup_Maker::$URL . 'assets/css/pum-site.min.css' );

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// Process live previews.

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add_action( 'wp_ajax_pum_do_shortcode', [ __CLASS__, 'do_shortcode' ] );

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// add_action( 'wp_ajax_pum_do_shortcode', array( __CLASS__, 'wp_ajax_pum_do_shortcode' ) );

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}

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/**

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* Adds our tinymce button

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* @param array $buttons

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* @return array

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public static function mce_buttons( $buttons ) {

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// Enqueue scripts when editor is detected.

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if ( ! did_action( 'admin_enqueue_scripts' ) ) {

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add_action( 'admin_enqueue_scripts', [ __CLASS__, 'enqueue_scripts' ], 120 ); // 120 because core styles are registered at 100 for some reason.

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} else {

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self::enqueue_scripts();

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}

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array_push( $buttons, 'pum_shortcodes' );

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return $buttons;

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}

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/**

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* Enqueues needed assets.

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public static function enqueue_scripts() {

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// Register editor styles.

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add_editor_style( PUM_Admin_Assets::$css_url . 'pum-admin-editor-styles' . PUM_Admin_Assets::$suffix . '.css' );

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wp_enqueue_style( 'pum-admin-shortcode-ui' );

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wp_enqueue_script( 'pum-admin-shortcode-ui' );

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wp_localize_script(

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'pum-admin-shortcode-ui',

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'pum_shortcode_ui_vars',

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apply_filters(

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'pum_shortcode_ui_vars',

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[

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'nonce' => wp_create_nonce( 'pum-shortcode-ui-nonce' ),

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'I10n' => [

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'insert' => __( 'Insert', 'popup-maker' ),

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'cancel' => __( 'Cancel', 'popup-maker' ),

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'shortcode_ui_button_tooltip' => __( 'Popup Maker Shortcodes', 'popup-maker' ),

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'error_loading_shortcode_preview' => __( 'There was an error in generating the preview', 'popup-maker' ),

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'shortcodes' => self::shortcode_ui_var(),

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]

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)

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);

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}

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/**

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* Generates a json object variable to pass to the Shortcode UI front end.

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* @return array

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public static function shortcode_ui_var() {

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$type = pum_typenow();

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$shortcodes = [];

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foreach ( PUM_Shortcodes::instance()->get_shortcodes() as $tag => $shortcode ) {

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$post_types = apply_filters( 'pum_shortcode_post_types', $shortcode->post_types(), $shortcode );

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/**

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* @var $shortcode PUM_Shortcode

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if ( ! in_array( '*', $post_types ) && ! in_array( $type, $post_types ) ) {

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continue;

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}

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$shortcodes[ $tag ] = [

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'version' => $shortcode->version,

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'label' => $shortcode->label(),

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'description' => $shortcode->description(),

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'tabs' => $shortcode->_tabs(),

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'sections' => $shortcode->_subtabs(),

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'fields' => $shortcode->_fields(),

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'has_content' => $shortcode->has_content,

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'ajax_rendering' => $shortcode->ajax_rendering,

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];

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}

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return $shortcodes;

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}

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/**

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* Adds our tinymce plugin js

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* @param array $plugin_array

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* @return array

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public static function mce_external_plugins( $plugin_array ) {

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if ( ! is_array( $plugin_array ) ) {

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$plugin_array = [];

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}

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return array_merge(

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$plugin_array,

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[

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'pum_shortcodes' => add_query_arg( [ 'version' => Popup_Maker::$VER ], PUM_Admin_Assets::$js_url . 'mce-buttons' . PUM_Admin_Assets::$suffix . '.js' ),

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]

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);

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}

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public static function do_shortcode() {

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check_ajax_referer( 'pum-shortcode-ui-nonce', 'nonce' );

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$tag = ! empty( $_REQUEST['tag'] ) ? sanitize_key( $_REQUEST['tag'] ) : false;

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$shortcode = ! empty( $_REQUEST['shortcode'] ) ? stripslashes( sanitize_text_field( $_REQUEST['shortcode'] ) ) : null;

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$post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : null;

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if ( ! current_user_can( 'edit_post', $post_id ) ) {

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return esc_html__( 'You do not have access to preview this post.', 'popup-maker' );

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}

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/** @var PUM_Shortcode $shortcode */

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$shortcode_object = PUM_Shortcodes::instance()->get_shortcode( $tag );

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if ( ! defined( 'PUM_DOING_PREVIEW' ) ) {

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define( 'PUM_DOING_PREVIEW', true );

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}

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/**

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* Often the global $post is not set yet. Set it in case for proper rendering.

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if ( ! empty( $post_id ) ) {

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global $post;

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$post = get_post( $post_id );

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setup_postdata( $post );

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}

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/** @var string $content Rendered shortcode content. */

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$content = PUM_Helpers::do_shortcode( $shortcode );

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/** If no matching tag or $content wasn't rendered die. */

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if ( ! $shortcode_object || $content === $shortcode ) {

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wp_send_json_error();

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}

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/** Generate inline styles when needed. */

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$styles = '<style>' . $shortcode_object->get_template_styles() . '</style>';

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wp_send_json_success( $styles . $content );

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}

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}

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