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class-shortcode-button.php
285 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Shortcode Button Class |
| 4 | * |
| 5 | * @package Give |
| 6 | * @subpackage Admin |
| 7 | * @author Paul Ryley |
| 8 | * @copyright Copyright (c) 2016, GiveWP |
| 9 | * @license https://opensource.org/licenses/gpl-license GNU Public License |
| 10 | * @version 1.0 |
| 11 | * @since 1.3.0 |
| 12 | */ |
| 13 | |
| 14 | // Exit if accessed directly. |
| 15 | if ( ! defined( 'ABSPATH' ) ) { |
| 16 | exit; |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Class Give_Shortcode_Button |
| 21 | */ |
| 22 | final class Give_Shortcode_Button { |
| 23 | |
| 24 | /** |
| 25 | * All shortcode tags |
| 26 | * |
| 27 | * @since 1.0 |
| 28 | */ |
| 29 | public static $shortcodes; |
| 30 | |
| 31 | /** |
| 32 | * Class constructor |
| 33 | */ |
| 34 | public function __construct() { |
| 35 | add_action( 'current_screen', array( $this, 'init' ), 999 ); |
| 36 | add_action( 'admin_init', array( $this, 'ajax_handler' ) ); |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Initialize |
| 41 | * |
| 42 | * @since 2.1.0 |
| 43 | * @access public |
| 44 | */ |
| 45 | public function init() { |
| 46 | if ( $this->is_add_button() ) { |
| 47 | add_filter( 'mce_external_plugins', array( $this, 'mce_external_plugins' ), 15 ); |
| 48 | |
| 49 | add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_assets' ) ); |
| 50 | add_action( 'admin_enqueue_scripts', array( $this, 'admin_localize_scripts' ), 13 ); |
| 51 | add_action( 'media_buttons', array( $this, 'shortcode_button' ) ); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | |
| 56 | /** |
| 57 | * Ajax handler for shortcode |
| 58 | * |
| 59 | * @since 2.3.0 |
| 60 | */ |
| 61 | public function ajax_handler(){ |
| 62 | add_action( 'wp_ajax_give_shortcode', array( $this, 'shortcode_ajax' ) ); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Register any TinyMCE plugins |
| 67 | * |
| 68 | * @param array $plugin_array |
| 69 | * |
| 70 | * @return array|bool |
| 71 | * |
| 72 | * @since 1.0 |
| 73 | */ |
| 74 | public function mce_external_plugins( $plugin_array ) { |
| 75 | |
| 76 | if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) ) { |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | $plugin_array['give_shortcode'] = GIVE_PLUGIN_URL . 'includes/admin/shortcodes/mce-plugin.js'; |
| 81 | |
| 82 | return $plugin_array; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Enqueue the admin assets |
| 87 | * |
| 88 | * @return void |
| 89 | * |
| 90 | * @since 1.0 |
| 91 | */ |
| 92 | public function admin_enqueue_assets() { |
| 93 | $direction = ( is_rtl() || isset( $_GET['d'] ) && 'rtl' === $_GET['d'] ) ? '.rtl' : ''; |
| 94 | |
| 95 | wp_enqueue_script( |
| 96 | 'give_shortcode', |
| 97 | GIVE_PLUGIN_URL . 'assets/dist/js/admin-shortcodes.js', |
| 98 | array( 'jquery' ), |
| 99 | GIVE_VERSION, |
| 100 | true |
| 101 | ); |
| 102 | |
| 103 | wp_enqueue_style( |
| 104 | 'give-admin-shortcode-button-style', |
| 105 | GIVE_PLUGIN_URL . 'assets/dist/css/admin-shortcode-button' . $direction . '.css', |
| 106 | array(), |
| 107 | GIVE_VERSION |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Localize the admin scripts |
| 113 | * |
| 114 | * @return void |
| 115 | * |
| 116 | * @since 1.0 |
| 117 | */ |
| 118 | public function admin_localize_scripts() { |
| 119 | |
| 120 | if ( ! empty( self::$shortcodes ) ) { |
| 121 | |
| 122 | $variables = array(); |
| 123 | |
| 124 | foreach ( self::$shortcodes as $shortcode => $values ) { |
| 125 | if ( ! empty( $values['required'] ) ) { |
| 126 | $variables[ $shortcode ] = $values['required']; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | wp_localize_script( 'give_shortcode', 'scShortcodes', $variables ); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Adds the "Donation Form" button above the TinyMCE Editor on add/edit screens. |
| 136 | * |
| 137 | * @return string|bool |
| 138 | * |
| 139 | * @since 1.0 |
| 140 | */ |
| 141 | public function shortcode_button() { |
| 142 | |
| 143 | $shortcodes = array(); |
| 144 | |
| 145 | foreach ( self::$shortcodes as $shortcode => $values ) { |
| 146 | |
| 147 | /** |
| 148 | * Filters the condition for including the current shortcode |
| 149 | * |
| 150 | * @since 1.0 |
| 151 | */ |
| 152 | if ( apply_filters( sanitize_title( $shortcode ) . '_condition', true ) ) { |
| 153 | |
| 154 | $shortcodes[ $shortcode ] = sprintf( |
| 155 | '<div class="sc-shortcode mce-menu-item give-shortcode-item-%1$s" data-shortcode="%2$s">%3$s</div>', |
| 156 | $shortcode, |
| 157 | $shortcode, |
| 158 | $values['label'] |
| 159 | ); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | if ( ! empty( $shortcodes ) ) { |
| 164 | |
| 165 | // check current WP version |
| 166 | $img = ( version_compare( get_bloginfo( 'version' ), '3.5', '<' ) ) |
| 167 | ? '<img src="' . GIVE_PLUGIN_URL . 'assets/dist/images/give-media.png" />' |
| 168 | : '<span class="wp-media-buttons-icon" id="give-media-button" style="background-image: url(' . give_svg_icons( 'give_grey' ) . ');"></span>'; |
| 169 | |
| 170 | reset( $shortcodes ); |
| 171 | |
| 172 | if ( 1 === count( $shortcodes ) ) { |
| 173 | |
| 174 | $shortcode = key( $shortcodes ); |
| 175 | |
| 176 | printf( |
| 177 | '<button type="button" class="button sc-shortcode" data-shortcode="%s">%s</button>', |
| 178 | $shortcode, |
| 179 | sprintf( '%s %s %s', |
| 180 | $img, |
| 181 | __( 'Insert', 'give' ), |
| 182 | self::$shortcodes[ $shortcode ]['label'] |
| 183 | ) |
| 184 | ); |
| 185 | } else { |
| 186 | printf( |
| 187 | '<div class="sc-wrap">' . |
| 188 | '<button class="button sc-button" type="button">%s %s</button>' . |
| 189 | '<div class="sc-menu mce-menu">%s</div>' . |
| 190 | '</div>', |
| 191 | $img, |
| 192 | __( 'Give Shortcodes', 'give' ), |
| 193 | implode( '', array_values( $shortcodes ) ) |
| 194 | ); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Load the shortcode dialog fields via AJAX |
| 201 | * @todo: handle error |
| 202 | * |
| 203 | * @return void |
| 204 | * |
| 205 | * @since 1.0 |
| 206 | */ |
| 207 | public function shortcode_ajax() { |
| 208 | if( ! current_user_can( 'edit_give_forms' ) ) { |
| 209 | wp_die(); |
| 210 | } |
| 211 | |
| 212 | $shortcode = isset( $_POST['shortcode'] ) ? $_POST['shortcode'] : false; |
| 213 | $response = false; |
| 214 | |
| 215 | if ( $shortcode && array_key_exists( $shortcode, self::$shortcodes ) ) { |
| 216 | |
| 217 | $data = self::$shortcodes[ $shortcode ]; |
| 218 | |
| 219 | if ( ! empty( $data['errors'] ) ) { |
| 220 | $data['btn_okay'] = array( esc_html__( 'Okay', 'give' ) ); |
| 221 | } |
| 222 | |
| 223 | $response = array( |
| 224 | 'body' => $data['fields'], |
| 225 | 'close' => $data['btn_close'], |
| 226 | 'ok' => $data['btn_okay'], |
| 227 | 'shortcode' => $shortcode, |
| 228 | 'title' => $data['title'], |
| 229 | ); |
| 230 | } else { |
| 231 | error_log( print_r( 'AJAX error!', 1 ) ); |
| 232 | } |
| 233 | |
| 234 | wp_send_json( $response ); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | /** |
| 239 | * Flag to check add shortcode button to current screen or not |
| 240 | * |
| 241 | * @since 2.1.0 |
| 242 | * @access private |
| 243 | * @return bool |
| 244 | */ |
| 245 | private function is_add_button() { |
| 246 | global $pagenow; |
| 247 | |
| 248 | $shortcode_button_pages = apply_filters( 'give_shortcode_button_pages', array( |
| 249 | 'post.php', |
| 250 | 'page.php', |
| 251 | 'post-new.php', |
| 252 | 'post-edit.php', |
| 253 | 'edit.php', |
| 254 | ) ); |
| 255 | |
| 256 | $exclude_post_types = array( 'give_forms' ); |
| 257 | |
| 258 | /* @var WP_Screen $current_screen */ |
| 259 | $current_screen = get_current_screen(); |
| 260 | |
| 261 | // Only run in admin post/page creation and edit screens |
| 262 | if ( |
| 263 | ! is_admin() |
| 264 | || ! in_array( $pagenow, $shortcode_button_pages ) |
| 265 | || in_array( $current_screen->post_type, $exclude_post_types ) |
| 266 | |
| 267 | /** |
| 268 | * Fire the filter |
| 269 | * Use this filter to show Give Shortcode button on custom pages |
| 270 | * |
| 271 | * @since 1.0 |
| 272 | * |
| 273 | */ |
| 274 | || ! apply_filters( 'give_shortcode_button_condition', true ) |
| 275 | || empty( self::$shortcodes ) |
| 276 | ) { |
| 277 | return false; |
| 278 | } |
| 279 | |
| 280 | return true; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | new Give_Shortcode_Button; |
| 285 |