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abstract-shortcode-generator.php
425 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Shortcode Dialog Generator abstract class |
| 4 | * |
| 5 | * @package Give/Admin |
| 6 | * @author Paul Ryley |
| 7 | * @copyright Copyright (c) 2016, GiveWP |
| 8 | * @license https://opensource.org/licenses/gpl-license GNU Public License |
| 9 | * @version 1.0 |
| 10 | * @since 1.3 |
| 11 | */ |
| 12 | |
| 13 | // Exit if accessed directly. |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit; |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * Class Give_Shortcode_Generator |
| 20 | */ |
| 21 | abstract class Give_Shortcode_Generator { |
| 22 | |
| 23 | /** |
| 24 | * The current class name |
| 25 | * |
| 26 | * @since 1.0 |
| 27 | */ |
| 28 | public $self; |
| 29 | |
| 30 | /** |
| 31 | * The current shortcode |
| 32 | * |
| 33 | * @since 1.0 |
| 34 | */ |
| 35 | public $shortcode; |
| 36 | |
| 37 | /** |
| 38 | * The current shortcode tag |
| 39 | * |
| 40 | * @since 1.0 |
| 41 | */ |
| 42 | public $shortcode_tag; |
| 43 | |
| 44 | /** |
| 45 | * Shortcode field errors |
| 46 | * |
| 47 | * @since 1.0 |
| 48 | */ |
| 49 | protected $errors; |
| 50 | |
| 51 | /** |
| 52 | * Required shortcode fields |
| 53 | * |
| 54 | * @since 1.0 |
| 55 | */ |
| 56 | protected $required; |
| 57 | |
| 58 | /** |
| 59 | * Class constructor |
| 60 | * |
| 61 | * @param string $shortcode The shortcode tag |
| 62 | * |
| 63 | * @since 1.0 |
| 64 | */ |
| 65 | public function __construct( $shortcode ) { |
| 66 | |
| 67 | $this->shortcode_tag = $shortcode; |
| 68 | |
| 69 | add_action( 'admin_init', array( $this, 'init' ) ); |
| 70 | |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Kick things off for the shortcode generator |
| 75 | * |
| 76 | * @since 1.3.0.2 |
| 77 | */ |
| 78 | public function init() { |
| 79 | |
| 80 | if ( $this->shortcode_tag ) { |
| 81 | |
| 82 | $this->self = get_class( $this ); |
| 83 | |
| 84 | $this->errors = array(); |
| 85 | $this->required = array(); |
| 86 | |
| 87 | // Generate the fields, errors, and requirements |
| 88 | $fields = $this->get_fields(); |
| 89 | |
| 90 | $defaults = array( |
| 91 | 'btn_close' => esc_html__( 'Close', 'give' ), |
| 92 | 'btn_okay' => esc_html__( 'Insert Shortcode', 'give' ), |
| 93 | 'errors' => $this->errors, |
| 94 | 'fields' => $fields, |
| 95 | 'label' => '[' . $this->shortcode_tag . ']', |
| 96 | 'required' => $this->required, |
| 97 | 'title' => esc_html__( 'Insert Shortcode', 'give' ), |
| 98 | ); |
| 99 | |
| 100 | if ( user_can_richedit() ) { |
| 101 | |
| 102 | Give_Shortcode_Button::$shortcodes[ $this->shortcode_tag ] = wp_parse_args( $this->shortcode, $defaults ); |
| 103 | |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | } |
| 108 | |
| 109 | |
| 110 | /** |
| 111 | * Define the shortcode attribute fields |
| 112 | * |
| 113 | * @return false|array |
| 114 | * |
| 115 | * @since 1.0 |
| 116 | */ |
| 117 | public function define_fields() { |
| 118 | |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Generate the shortcode dialog fields |
| 124 | * |
| 125 | * @param array $defined_fields |
| 126 | * |
| 127 | * @return array |
| 128 | * |
| 129 | * @since 1.0 |
| 130 | */ |
| 131 | protected function generate_fields( $defined_fields ) { |
| 132 | |
| 133 | $fields = array(); |
| 134 | |
| 135 | if ( is_array( $defined_fields ) ) { |
| 136 | |
| 137 | foreach ( $defined_fields as $field ) { |
| 138 | |
| 139 | $defaults = array( |
| 140 | 'label' => false, |
| 141 | 'name' => false, |
| 142 | 'options' => array(), |
| 143 | 'placeholder' => false, |
| 144 | 'tooltip' => false, |
| 145 | 'type' => '', |
| 146 | ); |
| 147 | |
| 148 | $field = wp_parse_args( (array) $field, $defaults ); |
| 149 | $method = 'generate_' . strtolower( $field['type'] ); |
| 150 | |
| 151 | if ( method_exists( $this, $method ) ) { |
| 152 | |
| 153 | $field = call_user_func( array( $this, $method ), $field ); |
| 154 | |
| 155 | if ( $field ) { |
| 156 | $fields[] = $field; |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | return $fields; |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Get the generated shortcode dialog fields |
| 167 | * |
| 168 | * @return array |
| 169 | * |
| 170 | * @since 1.0 |
| 171 | */ |
| 172 | protected function get_fields() { |
| 173 | |
| 174 | $defined_fields = $this->define_fields(); |
| 175 | $generated_fields = $this->generate_fields( $defined_fields ); |
| 176 | |
| 177 | $errors = array(); |
| 178 | |
| 179 | if ( ! empty( $this->errors ) ) { |
| 180 | foreach ( $this->required as $name => $alert ) { |
| 181 | // Using WordPress function in place of array_column wp_list_pluck as it support older version as well. |
| 182 | if ( false === array_search( $name, give_list_pluck( $generated_fields, 'name' ) ) ) { |
| 183 | |
| 184 | $errors[] = $this->errors[ $name ]; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | $this->errors = $errors; |
| 189 | } |
| 190 | |
| 191 | if ( ! empty( $errors ) ) { |
| 192 | |
| 193 | return $errors; |
| 194 | } |
| 195 | |
| 196 | return $generated_fields; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Generate a TinyMCE container field |
| 201 | * |
| 202 | * @param array $field |
| 203 | * |
| 204 | * @return array|false |
| 205 | * |
| 206 | * @since 1.0 |
| 207 | */ |
| 208 | protected function generate_container( $field ) { |
| 209 | |
| 210 | if ( array_key_exists( 'html', $field ) ) { |
| 211 | |
| 212 | return array( |
| 213 | 'type' => $field['type'], |
| 214 | 'html' => $field['html'], |
| 215 | ); |
| 216 | } |
| 217 | |
| 218 | return false; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Generate a TinyMCE listbox field |
| 223 | * |
| 224 | * @param array $field |
| 225 | * |
| 226 | * @return array|false |
| 227 | * |
| 228 | * @since 1.0 |
| 229 | */ |
| 230 | protected function generate_listbox( $field ) { |
| 231 | |
| 232 | $listbox = shortcode_atts( array( |
| 233 | 'label' => '', |
| 234 | 'minWidth' => '', |
| 235 | 'name' => false, |
| 236 | 'tooltip' => '', |
| 237 | 'type' => '', |
| 238 | 'value' => '', |
| 239 | 'classes' => '' |
| 240 | ), $field ); |
| 241 | |
| 242 | if ( $this->validate( $field ) ) { |
| 243 | |
| 244 | $new_listbox = array(); |
| 245 | |
| 246 | foreach ( $listbox as $key => $value ) { |
| 247 | |
| 248 | if ( $key == 'value' && empty( $value ) ) { |
| 249 | $new_listbox[ $key ] = $listbox['name']; |
| 250 | } else if ( $value ) { |
| 251 | $new_listbox[ $key ] = $value; |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | // do not reindex array! |
| 256 | $field['options'] = array( |
| 257 | '' => ( $field['placeholder'] ? $field['placeholder'] : esc_attr__( '- Select -', 'give' ) ), |
| 258 | ) + $field['options']; |
| 259 | |
| 260 | foreach ( $field['options'] as $value => $text ) { |
| 261 | $new_listbox['values'][] = array( |
| 262 | 'text' => $text, |
| 263 | 'value' => $value, |
| 264 | ); |
| 265 | } |
| 266 | |
| 267 | return $new_listbox; |
| 268 | } |
| 269 | |
| 270 | return false; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * Generate a TinyMCE listbox field for a post_type. |
| 275 | * |
| 276 | * @param array $field |
| 277 | * |
| 278 | * @return array|false |
| 279 | * |
| 280 | * @since 1.0 |
| 281 | */ |
| 282 | protected function generate_post( $field ) { |
| 283 | |
| 284 | $args = array( |
| 285 | 'post_type' => 'post', |
| 286 | 'orderby' => 'title', |
| 287 | 'order' => 'ASC', |
| 288 | 'posts_per_page' => 30, |
| 289 | 'suppress_filters' => false, |
| 290 | ); |
| 291 | |
| 292 | $args = wp_parse_args( (array) $field['query_args'], $args ); |
| 293 | |
| 294 | $posts = get_posts( $args ); |
| 295 | $options = array(); |
| 296 | |
| 297 | if ( ! empty( $posts ) ) { |
| 298 | foreach ( $posts as $post ) { |
| 299 | $options[ absint( $post->ID ) ] = empty( $post->post_title ) |
| 300 | ? sprintf( __( 'Untitled (#%s)', 'give' ), $post->ID ) |
| 301 | /** This filter is documented in wp-includes/post-template.php */ |
| 302 | : apply_filters( 'the_title', $post->post_title, $post->ID ); |
| 303 | } |
| 304 | |
| 305 | $field['type'] = 'listbox'; |
| 306 | $field['options'] = $options; |
| 307 | |
| 308 | return $this->generate_listbox( $field ); |
| 309 | } |
| 310 | |
| 311 | // perform validation here before returning false |
| 312 | $this->validate( $field ); |
| 313 | |
| 314 | return false; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Generate a TinyMCE textbox field |
| 319 | * |
| 320 | * @param array $field |
| 321 | * |
| 322 | * @return array|false |
| 323 | * |
| 324 | * @since 1.0 |
| 325 | */ |
| 326 | protected function generate_textbox( $field ) { |
| 327 | |
| 328 | $textbox = shortcode_atts( array( |
| 329 | 'label' => '', |
| 330 | 'maxLength' => '', |
| 331 | 'minHeight' => '', |
| 332 | 'minWidth' => '', |
| 333 | 'multiline' => false, |
| 334 | 'name' => false, |
| 335 | 'tooltip' => '', |
| 336 | 'type' => '', |
| 337 | 'value' => '', |
| 338 | 'classes' => '', |
| 339 | 'placeholder' => '' |
| 340 | ), $field ); |
| 341 | |
| 342 | // Remove empty placeholder. |
| 343 | if( empty( $textbox['placeholder'] ) ) { |
| 344 | unset( $textbox['placeholder'] ); |
| 345 | } |
| 346 | |
| 347 | if ( $this->validate( $field ) ) { |
| 348 | return array_filter( $textbox, array( $this, 'return_textbox_value' ) ); |
| 349 | } |
| 350 | |
| 351 | return false; |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Validate Textbox Value |
| 356 | * |
| 357 | * @param $value |
| 358 | * |
| 359 | * @return bool |
| 360 | */ |
| 361 | function return_textbox_value( $value ) { |
| 362 | return $value !== ''; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * Perform validation for a single field |
| 367 | * |
| 368 | * Returns true or false depending on whether the field has a 'name' attribute. |
| 369 | * This method also populates the shortcode's $errors and $required arrays. |
| 370 | * |
| 371 | * @param array $field |
| 372 | * |
| 373 | * @return bool |
| 374 | * |
| 375 | * @since 1.0 |
| 376 | */ |
| 377 | protected function validate( $field ) { |
| 378 | |
| 379 | extract( shortcode_atts( |
| 380 | array( |
| 381 | 'name' => false, |
| 382 | 'required' => false, |
| 383 | 'label' => '', |
| 384 | ), $field ) |
| 385 | ); |
| 386 | |
| 387 | if ( $name ) { |
| 388 | |
| 389 | if ( isset( $required['error'] ) ) { |
| 390 | |
| 391 | $error = array( |
| 392 | 'type' => 'container', |
| 393 | 'html' => $required['error'], |
| 394 | ); |
| 395 | |
| 396 | $this->errors[ $name ] = $this->generate_container( $error ); |
| 397 | } |
| 398 | |
| 399 | if ( ! ! $required || is_array( $required ) ) { |
| 400 | |
| 401 | $alert = esc_html__( 'Some of the shortcode options are required.', 'give' ); |
| 402 | |
| 403 | if ( isset( $required['alert'] ) ) { |
| 404 | |
| 405 | $alert = $required['alert']; |
| 406 | |
| 407 | } else if ( ! empty( $label ) ) { |
| 408 | |
| 409 | $alert = sprintf( |
| 410 | /* translators: %s: option label */ |
| 411 | esc_html__( 'The "%s" option is required.', 'give' ), |
| 412 | str_replace( ':', '', $label ) |
| 413 | ); |
| 414 | } |
| 415 | |
| 416 | $this->required[ $name ] = $alert; |
| 417 | } |
| 418 | |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | return false; |
| 423 | } |
| 424 | } |
| 425 |