| 1 |
<?php |
| 2 |
|
| 3 |
class M_Chart_Admin { |
| 4 |
/** |
| 5 |
* Constructor |
| 6 |
*/ |
| 7 |
public function __construct() { |
| 8 |
$this->plugin_url = m_chart()->plugin_url(); |
| 9 |
|
| 10 |
add_action( 'current_screen', array( $this, 'current_screen' ) ); |
| 11 |
add_action( 'admin_footer', array( $this, 'admin_footer' ) ); |
| 12 |
add_action( 'wp_ajax_m_chart_export_csv', array( $this, 'ajax_export_csv' ) ); |
| 13 |
add_action( 'wp_ajax_m_chart_get_chart_args', array( $this, 'ajax_get_chart_args' ) ); |
| 14 |
add_action( 'wp_ajax_m_chart_import_csv', array( $this, 'ajax_import_csv' ) ); |
| 15 |
} |
| 16 |
|
| 17 |
/** |
| 18 |
* Load CSS/Javascript necessary for the interface |
| 19 |
* |
| 20 |
* @param object the current screen object as passed by the current_screen action hook |
| 21 |
*/ |
| 22 |
public function current_screen( $screen ) { |
| 23 |
if ( 'post' != $screen->base || m_chart()->slug != $screen->post_type ) { |
| 24 |
return; |
| 25 |
} |
| 26 |
|
| 27 |
$js_dir = m_chart()->dev ? 'lib' : 'min'; |
| 28 |
|
| 29 |
// Handsontable |
| 30 |
wp_enqueue_style( |
| 31 |
'handsontable-css', |
| 32 |
$this->plugin_url . '/components/external/handsontable/handsontable.css' |
| 33 |
); |
| 34 |
|
| 35 |
wp_enqueue_script( |
| 36 |
'handsontable-js', |
| 37 |
$this->plugin_url . '/components/external/handsontable/handsontable.js', |
| 38 |
array( 'jquery' ) |
| 39 |
); |
| 40 |
|
| 41 |
// In the admin panel we need highcharts enqueued before we enqueue the exporting stuff |
| 42 |
wp_enqueue_script( 'highcharts-js' ); |
| 43 |
|
| 44 |
// Highcharts export.js is required for the image generation |
| 45 |
wp_enqueue_script( |
| 46 |
'highcharts-exporting-js', |
| 47 |
$this->plugin_url . '/components/external/highcharts/exporting.js', |
| 48 |
array( 'jquery' ) |
| 49 |
); |
| 50 |
|
| 51 |
// canvg and rgbcolo do the SVG -> Canvas conversion |
| 52 |
wp_enqueue_script( |
| 53 |
'rgbcolor-js', |
| 54 |
$this->plugin_url . '/components/external/canvg/rgbcolor.js' |
| 55 |
); |
| 56 |
|
| 57 |
wp_enqueue_script( |
| 58 |
'canvg-js', |
| 59 |
$this->plugin_url . '/components/external/canvg/canvg.js', |
| 60 |
array( 'rgbcolor-js' ) |
| 61 |
); |
| 62 |
|
| 63 |
// Admin panel JS and CSS |
| 64 |
wp_enqueue_style( |
| 65 |
'm-chart-admin-css', |
| 66 |
$this->plugin_url . '/components/css/m-chart-admin.css' |
| 67 |
); |
| 68 |
|
| 69 |
wp_enqueue_script( |
| 70 |
'm-chart-admin-js', |
| 71 |
$this->plugin_url . '/components/js/m-chart-admin.js', |
| 72 |
array( 'jquery' ) |
| 73 |
); |
| 74 |
} |
| 75 |
|
| 76 |
/** |
| 77 |
* Add all of the metaboxes needed for the data and chart editing interface |
| 78 |
*/ |
| 79 |
public function meta_boxes() { |
| 80 |
global $wp_meta_boxes; |
| 81 |
|
| 82 |
// Remove excerpt from it's normal spot in the meta_boxes array so we can put it back in after the spreadsheet |
| 83 |
// Users can move metaboxes, but this helps put things in a reasonable place on the first visit |
| 84 |
$excerpt = $wp_meta_boxes[ m_chart()->slug ]['normal']['core']['postexcerpt']; |
| 85 |
unset( $wp_meta_boxes[ m_chart()->slug ]['normal']['core']['postexcerpt'] ); |
| 86 |
|
| 87 |
add_meta_box( |
| 88 |
m_chart()->slug . '-spreadsheet', |
| 89 |
esc_html__( 'Data', 'm-chart' ), |
| 90 |
array( $this, 'spreadsheet_meta_box' ), |
| 91 |
m_chart()->slug, |
| 92 |
'normal', |
| 93 |
'high' |
| 94 |
); |
| 95 |
|
| 96 |
add_meta_box( |
| 97 |
m_chart()->slug, |
| 98 |
esc_html__( 'Chart', 'm-chart' ), |
| 99 |
array( $this, 'chart_meta_box' ), |
| 100 |
m_chart()->slug, |
| 101 |
'normal', |
| 102 |
'high' |
| 103 |
); |
| 104 |
|
| 105 |
$wp_meta_boxes[ m_chart()->slug ]['normal']['high']['postexcerpt'] = $excerpt; |
| 106 |
|
| 107 |
add_meta_box( |
| 108 |
m_chart()->slug . '-csv', |
| 109 |
esc_html__( 'CSV Import/Export', 'm-chart' ), |
| 110 |
array( $this, 'csv_meta_box' ), |
| 111 |
m_chart()->slug, |
| 112 |
'normal', |
| 113 |
'high' |
| 114 |
); |
| 115 |
|
| 116 |
// We are using our own interface for the units so we can remove the units taxonomy metabox |
| 117 |
remove_meta_box( m_chart()->slug . '-unitsdiv', m_chart()->slug, 'side' ); |
| 118 |
} |
| 119 |
|
| 120 |
/** |
| 121 |
* Displays the spread sheet meta box |
| 122 |
* |
| 123 |
* @param object the WP post object as returned by the metabox API |
| 124 |
*/ |
| 125 |
public function spreadsheet_meta_box( $post ) { |
| 126 |
$post_meta = m_chart()->get_post_meta( $post->ID ); |
| 127 |
|
| 128 |
// Setup default empty sheet data if needed |
| 129 |
$sheet_data = empty( $post_meta['data'] ) ? array( array( '' ) ) : $post_meta['data']; |
| 130 |
|
| 131 |
require_once __DIR__ . '/templates/spreadsheet-meta-box.php'; |
| 132 |
} |
| 133 |
|
| 134 |
/** |
| 135 |
* Displays the chart meta box |
| 136 |
* |
| 137 |
* @param object the WP post object as returned by the metabox API |
| 138 |
*/ |
| 139 |
public function chart_meta_box( $post ) { |
| 140 |
$chart = m_chart()->get_chart( $post->ID ); |
| 141 |
$post_meta = m_chart()->get_post_meta( $post->ID ); |
| 142 |
$image = m_chart()->get_chart_image( $post->ID ); |
| 143 |
|
| 144 |
require_once __DIR__ . '/templates/chart-meta-box.php'; |
| 145 |
} |
| 146 |
|
| 147 |
/** |
| 148 |
* Displays the CSV Import/Export controls |
| 149 |
* |
| 150 |
* @param object the WP post object as returned by the metabox API |
| 151 |
*/ |
| 152 |
public function csv_meta_box( $post ) { |
| 153 |
require_once __DIR__ . '/templates/csv-meta-box.php'; |
| 154 |
} |
| 155 |
|
| 156 |
/** |
| 157 |
* Insert CSV Import and Export forms into the footer when editing charts |
| 158 |
*/ |
| 159 |
public function admin_footer() { |
| 160 |
$screen = get_current_screen(); |
| 161 |
|
| 162 |
if ( 'post' != $screen->base || m_chart()->slug != $screen->post_type ) { |
| 163 |
return; |
| 164 |
} |
| 165 |
?> |
| 166 |
<form id="<?php echo esc_attr( $this->get_field_id( 'csv-import-form' ) ); ?>" style="display: none;"> |
| 167 |
<input type="file" name="import_csv_file" id="<?php echo esc_attr( $this->get_field_id( 'csv-file' ) ); ?>" class="hide" /> |
| 168 |
</form> |
| 169 |
<form action="<?php echo esc_url( admin_url( 'admin-ajax.php?action=m_chart_export_csv' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'csv-export-form' ) ); ?>" style="display: none;" method="post"> |
| 170 |
<input type="hidden" name="post_id" value="" id="<?php echo esc_attr( $this->get_field_id( 'csv-post-id' ) ); ?>" /> |
| 171 |
<input type="hidden" name="data" value="" id="<?php echo esc_attr( $this->get_field_id( 'csv-data' ) ); ?>" /> |
| 172 |
<input type="hidden" name="title" value="" id="<?php echo esc_attr( $this->get_field_id( 'csv-title' ) ); ?>" /> |
| 173 |
</form> |
| 174 |
<?php |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* Hook to save_post action and save chart related post meta |
| 179 |
* |
| 180 |
* @param int the WP post ID of the post being saved |
| 181 |
*/ |
| 182 |
public function save_post( $post_id ) { |
| 183 |
$post = get_post( $post_id ); |
| 184 |
|
| 185 |
// Check that this isn't an autosave |
| 186 |
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
| 187 |
return; |
| 188 |
} |
| 189 |
|
| 190 |
// Check post type |
| 191 |
if ( ! isset( $post->post_type ) || m_chart()->slug != $post->post_type ) { |
| 192 |
return; |
| 193 |
} |
| 194 |
|
| 195 |
// Don't run on post revisions (almost always happens just before the real post is saved) |
| 196 |
if ( wp_is_post_revision( $post->ID ) ) { |
| 197 |
return; |
| 198 |
} |
| 199 |
|
| 200 |
// Check the nonce |
| 201 |
if ( ! wp_verify_nonce( $_POST[ m_chart()->slug ]['nonce'], m_chart()->slug . '-save-post' ) ) { |
| 202 |
return; |
| 203 |
} |
| 204 |
|
| 205 |
unset( $_POST[ m_chart()->slug ]['nonce'] ); |
| 206 |
|
| 207 |
// Check the permissions |
| 208 |
if ( ! current_user_can( 'edit_post', $post->ID ) ) { |
| 209 |
return; |
| 210 |
} |
| 211 |
|
| 212 |
// If there's an image being passed attach it to the chart post |
| 213 |
$this->attach_image(); |
| 214 |
|
| 215 |
// Make sure we don't overrwrite existing settings in the case someone hits update too quickly |
| 216 |
if ( |
| 217 |
isset( $_POST[ m_chart()->slug ]['library'] ) |
| 218 |
// Make sure the library value is clean and valid before trying to use it |
| 219 |
&& m_chart()->is_valid_library( $_POST[ m_chart()->slug ]['library'] ) |
| 220 |
) { |
| 221 |
// Load the library in question in case there's a filter/action we'll need |
| 222 |
if ( 'highcharts' == $_POST[ m_chart()->slug ]['library'] ) { |
| 223 |
m_chart()->highcharts(); |
| 224 |
} |
| 225 |
|
| 226 |
// update_post_meta passes the $_POST values directly to validate_post_meta |
| 227 |
// validate_post_meta returns only valid post meta values and does data validation on each item |
| 228 |
m_chart()->update_post_meta( $post->ID, $_POST[ m_chart()->slug ] ); |
| 229 |
} |
| 230 |
} |
| 231 |
|
| 232 |
/** |
| 233 |
* Attach a given image to a chart post |
| 234 |
* |
| 235 |
* @param int the WP post ID of the post being saved |
| 236 |
* @param string a base64 encoded string of the image we want to attach |
| 237 |
*/ |
| 238 |
public function attach_image() { |
| 239 |
if ( ! is_numeric( $_POST['post_ID'] ) ) { |
| 240 |
return; |
| 241 |
} |
| 242 |
|
| 243 |
$post_id = absint( $_POST['post_ID'] ); |
| 244 |
|
| 245 |
if ( ! current_user_can( 'edit_post', $post_id ) ) { |
| 246 |
return false; |
| 247 |
} |
| 248 |
|
| 249 |
if ( ! $post = get_post( $post_id ) ) { |
| 250 |
return false; |
| 251 |
} |
| 252 |
|
| 253 |
if ( '' == $_POST[ m_chart()->slug ]['img'] ) { |
| 254 |
return false; |
| 255 |
} |
| 256 |
|
| 257 |
// Decode the image so we can save it |
| 258 |
$decoded_img = base64_decode( str_replace( 'data:image/png;base64,', '', $_POST[ m_chart()->slug ]['img'] ) ); |
| 259 |
|
| 260 |
if ( '' == $decoded_img ) { |
| 261 |
return false; |
| 262 |
} |
| 263 |
|
| 264 |
// Check for an existing attached image |
| 265 |
$attachments = get_posts( |
| 266 |
array( |
| 267 |
'post_type' => 'attachment', |
| 268 |
'posts_per_page' => 1, |
| 269 |
'post_parent' => $post->ID, |
| 270 |
'meta_key' => m_chart()->slug . '-image', |
| 271 |
) |
| 272 |
); |
| 273 |
|
| 274 |
// If an existing image was found delete it |
| 275 |
foreach ( $attachments as $attachment ) { |
| 276 |
wp_delete_attachment( $attachment->ID, true ); |
| 277 |
} |
| 278 |
|
| 279 |
// Upload image to WP |
| 280 |
$file = wp_upload_bits( sanitize_title( $post->post_title . '-' . $post->ID ) . '.png', null, $decoded_img ); |
| 281 |
|
| 282 |
// START acting like media_sideload_image |
| 283 |
preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $file['file'], $matches ); |
| 284 |
|
| 285 |
$file_array['name'] = basename( $matches[0] ); |
| 286 |
$file_array['tmp_name'] = $file['file']; |
| 287 |
|
| 288 |
if ( is_wp_error( $file ) ) { |
| 289 |
@unlink( $file_array['tmp_name'] ); |
| 290 |
$file_array['tmp_name'] = ''; |
| 291 |
} |
| 292 |
|
| 293 |
$img_id = media_handle_sideload( $file_array, $post->ID, $post->post_title ); |
| 294 |
|
| 295 |
if ( is_wp_error( $img_id ) ) { |
| 296 |
@unlink( $file_array['tmp_name'] ); |
| 297 |
return $img_id; |
| 298 |
} |
| 299 |
// STOP acting like media_sideload_image |
| 300 |
|
| 301 |
// Set some meta on the attachment so we know it came from m-chart |
| 302 |
add_post_meta( $img_id, m_chart()->slug . '-image', $post->ID ); |
| 303 |
|
| 304 |
// Set the attachment as the chart's thumbnail |
| 305 |
update_post_meta( $post->ID, '_thumbnail_id', $img_id ); |
| 306 |
} |
| 307 |
|
| 308 |
/** |
| 309 |
* Parses an incoming CSV file and compiles it into an array |
| 310 |
* |
| 311 |
* @return array an array fo the data from the imported CSV file ready for use in the chart meta |
| 312 |
*/ |
| 313 |
public function ajax_import_csv() { |
| 314 |
$post = get_post( absint( $_POST['post_id'] ) ); |
| 315 |
|
| 316 |
// Check post type |
| 317 |
if ( ! isset( $post->post_type ) || m_chart()->slug != $post->post_type ) { |
| 318 |
wp_send_json_error( esc_html__( 'Wrong post type', 'm-chart' ) ); |
| 319 |
} |
| 320 |
|
| 321 |
// Check the nonce |
| 322 |
if ( ! wp_verify_nonce( $_POST['nonce'], m_chart()->slug . '-save-post' ) ) { |
| 323 |
wp_send_json_error( esc_html__( 'Invalid nonce', 'm-chart' ) ); |
| 324 |
} |
| 325 |
|
| 326 |
// Check the permissions |
| 327 |
if ( ! current_user_can( 'edit_post', $post->ID ) ) { |
| 328 |
wp_send_json_error( esc_html__( 'Wrong post type', 'm-chart' ) ); |
| 329 |
} |
| 330 |
|
| 331 |
// Make sure there's a CSV file |
| 332 |
if ( empty( $_FILES ) || ! isset( $_FILES['import_csv_file']['name'] ) ) { |
| 333 |
wp_send_json_error( esc_html__( 'No file to import', 'm-chart' ) ); |
| 334 |
} |
| 335 |
|
| 336 |
// Make sure the file is a CSV file |
| 337 |
$file_ext = strtolower( pathinfo( $_FILES['import_csv_file']['name'], PATHINFO_EXTENSION ) ); |
| 338 |
|
| 339 |
if ( 'csv' != $file_ext ) { |
| 340 |
wp_send_json_error( esc_html__( 'Only CSV files can be imported ', 'm-chart' ) ); |
| 341 |
} |
| 342 |
|
| 343 |
// Do some validation on the CSV file (mirroring what WP does for this sort of thing) |
| 344 |
$csv_file = realpath( $_FILES['import_csv_file']['tmp_name'] ); |
| 345 |
|
| 346 |
if ( ! $csv_file ) { |
| 347 |
wp_send_json_error( esc_html__( 'File path not found', 'm-chart' ) ); |
| 348 |
} |
| 349 |
|
| 350 |
$csv_data = file_get_contents( $csv_file ); |
| 351 |
|
| 352 |
if ( '' == $csv_data ) { |
| 353 |
wp_send_json_error( esc_html__( 'CSV file was empty', 'm-chart' ) ); |
| 354 |
} |
| 355 |
|
| 356 |
// Get parseCSV library so we can use it to convert the CSV to a nice array |
| 357 |
// Yes, PHP does this natively now but I've run into trouble with malformed CSV that parsCSV handles fine |
| 358 |
require_once __DIR__ . '/external/parsecsv/parsecsv.lib.php'; |
| 359 |
|
| 360 |
$parse_csv = new parseCSV(); |
| 361 |
|
| 362 |
// The "\n" before and after is to deal with CSV files that don't have line breaks above and below the data |
| 363 |
// Which then seems to confuse parseCSV occasionally |
| 364 |
$parse_csv->parse( "\n" . trim( $csv_data ) . "\n" ); |
| 365 |
|
| 366 |
// This deals with Google Doc's crappy CSV exports which don't include columns at the end of a row if they are empty |
| 367 |
$data_array = $this->fix_csv_data_array( $parse_csv->data ); |
| 368 |
|
| 369 |
wp_send_json_success( $data_array ); |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Helper function makes sure that the data array has matching numbers of array elements for each row |
| 374 |
* CSV from some sources (Google Docs) doesn't include columns that are empty when they are at the end of a row (Why Google? WHY?) |
| 375 |
* |
| 376 |
* @param array an array of data as returned from the parseCSV class |
| 377 |
* |
| 378 |
* @param array the array of data with matching array value counts |
| 379 |
*/ |
| 380 |
public function fix_csv_data_array( $data_array ) { |
| 381 |
$count = 0; |
| 382 |
|
| 383 |
// Get largest row count |
| 384 |
foreach ( $data_array as $data ) { |
| 385 |
$temp_count = count( $data ); |
| 386 |
|
| 387 |
$count = ( $temp_count > $count ) ? $temp_count : $count; |
| 388 |
} |
| 389 |
|
| 390 |
// Fix arrays so value counts match |
| 391 |
foreach ( $data_array as $key => $data ) { |
| 392 |
$temp_count = count( $data ); |
| 393 |
|
| 394 |
if ( $temp_count < $count ) { |
| 395 |
$difference = $count - $temp_count; |
| 396 |
|
| 397 |
for ( $i = 0; $i < $difference; $i++ ) { |
| 398 |
$data_array[ $key ][] = ''; |
| 399 |
} |
| 400 |
} |
| 401 |
} |
| 402 |
|
| 403 |
return $data_array; |
| 404 |
} |
| 405 |
|
| 406 |
/** |
| 407 |
* Converts data array into CSV outputs it to the browser |
| 408 |
*/ |
| 409 |
public function ajax_export_csv() { |
| 410 |
// Purposely using $_REQUEST here since this method can work via a GET and POST request |
| 411 |
// POST requests are used when passing the data value since it's too big to pass via GET |
| 412 |
if ( ! is_numeric( $_REQUEST['post_id'] ) || ! current_user_can( 'edit_post', absint( $_REQUEST['post_id'] ) ) ) { |
| 413 |
wp_die( 'Unauthorized access', 'You do not have permission to do that', array( 'response' => 401 ) ); |
| 414 |
} |
| 415 |
|
| 416 |
$post = get_post( absint( $_REQUEST['post_id'] ) ); |
| 417 |
|
| 418 |
// If the user passed a data value in their request we'll use it after validation |
| 419 |
if ( isset( $_POST['data'] ) && isset( $_POST['title'] ) ) { |
| 420 |
$data = m_chart()->validate_data( json_decode( stripslashes( $_POST['data'] ) ) ); |
| 421 |
$file_name = sanitize_title( $_POST['title'] ); |
| 422 |
} |
| 423 |
else { |
| 424 |
$data = m_chart()->get_post_meta( $post->ID, 'data' ); |
| 425 |
$file_name = sanitize_title( get_the_title( $post->ID ) ); |
| 426 |
} |
| 427 |
|
| 428 |
if ( empty( $data ) ) { |
| 429 |
return; |
| 430 |
} |
| 431 |
|
| 432 |
require_once __DIR__ . '/external/parsecsv/parsecsv.lib.php'; |
| 433 |
$parse_csv = new parseCSV(); |
| 434 |
|
| 435 |
$parse_csv->output( $file_name . '.csv', $data ); |
| 436 |
die; |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* Returns JSON encoded chart args from $_POST values sent from the admin panel |
| 441 |
* |
| 442 |
* @return string a JSON encoded string containing all of the chart args needed to update an active chart |
| 443 |
*/ |
| 444 |
public function ajax_get_chart_args() { |
| 445 |
// Check the nonce |
| 446 |
if ( ! wp_verify_nonce( $_POST['nonce'], m_chart()->slug . '-save-post' ) ) { |
| 447 |
wp_send_json_error( esc_html__( 'Invalid nonce', 'm-chart' ) ); |
| 448 |
} |
| 449 |
|
| 450 |
// Does the post exist? |
| 451 |
if ( ! $post = get_post( absint( $_POST['post_id'] ) ) ) { |
| 452 |
wp_send_json_error( esc_html__( 'Invalid post', 'm-chart' ) ); |
| 453 |
} |
| 454 |
|
| 455 |
// Can the user edit this post? |
| 456 |
if ( ! current_user_can( 'edit_post', $post->ID ) ) { |
| 457 |
wp_send_json_error( esc_html__( 'Permission error', 'm-chart' ) ); |
| 458 |
} |
| 459 |
|
| 460 |
// Is this a valid library? |
| 461 |
if ( ! m_chart()->is_valid_library( $_POST['library'] ) ) { |
| 462 |
wp_send_json_error( esc_html__( 'Invalid library', 'm-chart' ) ); |
| 463 |
} |
| 464 |
|
| 465 |
if ( 'highcharts' == $_POST['library'] ) { |
| 466 |
$library = m_chart()->highcharts(); |
| 467 |
} |
| 468 |
|
| 469 |
// Set these values so that get_chart_args has them already available before we call it |
| 470 |
$library->args = m_chart()->get_chart_default_args; |
| 471 |
$library->post = (object) array( |
| 472 |
'ID' => $post->ID, |
| 473 |
'post_title' => sanitize_text_field( $_POST['title'] ), |
| 474 |
); |
| 475 |
|
| 476 |
// validate_post_meta returns only valid post meta values and does data validation on each item |
| 477 |
$library->post_meta = m_chart()->validate_post_meta( $_POST['post_meta'] ); |
| 478 |
|
| 479 |
wp_send_json_success( $library->get_chart_args( $library->post->ID, $library->args, true, false ) ); |
| 480 |
} |
| 481 |
|
| 482 |
/** |
| 483 |
* Return a name spaced field name |
| 484 |
* |
| 485 |
* @param string the field name we want to name space |
| 486 |
* |
| 487 |
* @param string a name spaced field name |
| 488 |
*/ |
| 489 |
public function get_field_name( $field_name ) { |
| 490 |
return m_chart()->slug . '[' . $field_name . ']'; |
| 491 |
} |
| 492 |
|
| 493 |
/** |
| 494 |
* Return a name spaced field id |
| 495 |
* |
| 496 |
* @param string the field id we want to name space |
| 497 |
* |
| 498 |
* @param string a name spaced field id |
| 499 |
*/ |
| 500 |
public function get_field_id( $field_name ) { |
| 501 |
return m_chart()->slug . '-' . $field_name; |
| 502 |
} |
| 503 |
} |
| 504 |
|
