| @@ -1,831 +1,145 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -// +----------------------------------------------------------------------+ | |
| 4 | -// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) | | |
| 5 | -// +----------------------------------------------------------------------+ | |
| 6 | -// | This program is free software; you can redistribute it and/or modify | | |
| 7 | -// | it under the terms of the GNU General Public License, version 2, as | | |
| 8 | -// | published by the Free Software Foundation. | | |
| 9 | -// | | | |
| 10 | -// | This program is distributed in the hope that it will be useful, | | |
| 11 | -// | but WITHOUT ANY WARRANTY; without even the implied warranty of | | |
| 12 | -// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | |
| 13 | -// | GNU General Public License for more details. | | |
| 14 | -// | | | |
| 15 | -// | You should have received a copy of the GNU General Public License | | |
| 16 | -// | along with this program; if not, write to the Free Software | | |
| 17 | -// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | | |
| 18 | -// | MA 02110-1301 USA | | |
| 19 | -// +----------------------------------------------------------------------+ | |
| 20 | -// | Author: Eugene Manuilov <eugene@manuilov.org> | | |
| 21 | -// +----------------------------------------------------------------------+ | |
| 22 | -/** | |
| 23 | - * Base class for all modules. Implements routine methods required by all modules. | |
| 24 | - * | |
| 25 | - * @category Visualizer | |
| 26 | - * @package Module | |
| 27 | - * | |
| 28 | - * @since 1.0.0 | |
| 29 | - */ | |
| 30 | -class Visualizer_Module { | |
| 31 | - | |
| 32 | - /** | |
| 33 | - * The instance of wpdb class. | |
| 34 | - * | |
| 35 | - * @since 1.0.0 | |
| 36 | - * | |
| 37 | - * @access protected | |
| 38 | - * @var wpdb | |
| 39 | - */ | |
| 40 | - protected $_wpdb = null; | |
| 41 | - | |
| 42 | - /** | |
| 43 | - * The plugin instance. | |
| 44 | - * | |
| 45 | - * @since 1.0.0 | |
| 46 | - * | |
| 47 | - * @access protected | |
| 48 | - * @var Visualizer_Plugin | |
| 49 | - */ | |
| 50 | - protected $_plugin = null; | |
| 51 | - | |
| 52 | - /** | |
| 53 | - * Constructor. | |
| 54 | - * | |
| 55 | - * @since 1.0.0 | |
| 56 | - * @global wpdb $wpdb Current database connection. | |
| 57 | - * | |
| 58 | - * @access public | |
| 59 | - * @param Visualizer_Plugin $plugin The instance of the plugin. | |
| 60 | - */ | |
| 61 | - public function __construct( Visualizer_Plugin $plugin ) { | |
| 62 | - global $wpdb; | |
| 63 | - | |
| 64 | - $this->_wpdb = $wpdb; | |
| 65 | - $this->_plugin = $plugin; | |
| 66 | - | |
| 67 | - $this->_addFilter( Visualizer_Plugin::FILTER_UNDO_REVISIONS, 'undoRevisions', 10, 2 ); | |
| 68 | - $this->_addFilter( Visualizer_Plugin::FILTER_HANDLE_REVISIONS, 'handleExistingRevisions', 10, 2 ); | |
| 69 | - $this->_addFilter( Visualizer_Plugin::FILTER_GET_CHART_DATA_AS, 'getDataAs', 10, 3 ); | |
| 70 | - $this->_addAction( 'pre_get_posts', 'PreGetPosts' ); | |
| 71 | - register_shutdown_function( array($this, 'onShutdown') ); | |
| 72 | - | |
| 73 | - } | |
| 74 | - | |
| 75 | - /** | |
| 76 | - * Register a shutdown hook to catch fatal errors. | |
| 77 | - * | |
| 78 | - * @since ? | |
| 79 | - * | |
| 80 | - * @access public | |
| 81 | - */ | |
| 82 | - public function onShutdown() { | |
| 83 | - $error = error_get_last(); | |
| 84 | - if ( $error && $error['type'] === E_ERROR && false !== strpos( $error['file'], 'Visualizer/' ) ) { | |
| 85 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Critical error %s', print_r( $error, true ) ), 'error', __FILE__, __LINE__ ); | |
| 86 | - } | |
| 87 | - } | |
| 88 | - | |
| 89 | - /** | |
| 90 | - * Registers an action hook. | |
| 91 | - * | |
| 92 | - * @since 1.0.0 | |
| 93 | - * @uses add_action() To register action hook. | |
| 94 | - * | |
| 95 | - * @access protected | |
| 96 | - * @param string $tag The name of the action to which the $method is hooked. | |
| 97 | - * @param string $method The name of the method to be called. | |
| 98 | - * @param bool $methodClass The root of the method. | |
| 99 | - * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. | |
| 100 | - * @param int $accepted_args optional. The number of arguments the function accept (default 1). | |
| 101 | - * @return Visualizer_Module | |
| 102 | - */ | |
| 103 | - protected function _addAction( $tag, $method, $methodClass = null, $priority = 10, $accepted_args = 1 ) { | |
| 104 | - add_action( $tag, array( $methodClass ? $methodClass : $this, $method ), $priority, $accepted_args ); | |
| 105 | - return $this; | |
| 106 | - } | |
| 107 | - | |
| 108 | - /** | |
| 109 | - * Registers AJAX action hook. | |
| 110 | - * | |
| 111 | - * @since 1.0.0 | |
| 112 | - * | |
| 113 | - * @access public | |
| 114 | - * @param string $tag The name of the AJAX action to which the $method is hooked. | |
| 115 | - * @param string $method Optional. The name of the method to be called. If the name of the method is not provided, tag name will be used as method name. | |
| 116 | - * @param bool $methodClass The root of the method. | |
| 117 | - * @param boolean $private Optional. Determines if we should register hook for logged in users. | |
| 118 | - * @param boolean $public Optional. Determines if we should register hook for not logged in users. | |
| 119 | - * @return Visualizer_Module | |
| 120 | - */ | |
| 121 | - protected function _addAjaxAction( $tag, $method = '', $methodClass = null, $private = true, $public = false ) { | |
| 122 | - if ( $private ) { | |
| 123 | - $this->_addAction( 'wp_ajax_' . $tag, $method, $methodClass ); | |
| 124 | - } | |
| 125 | - | |
| 126 | - if ( $public ) { | |
| 127 | - $this->_addAction( 'wp_ajax_nopriv_' . $tag, $method, $methodClass ); | |
| 128 | - } | |
| 129 | - | |
| 130 | - return $this; | |
| 131 | - } | |
| 132 | - | |
| 133 | - /** | |
| 134 | - * Registers a filter hook. | |
| 135 | - * | |
| 136 | - * @since 1.0.0 | |
| 137 | - * @uses add_filter() To register filter hook. | |
| 138 | - * | |
| 139 | - * @access protected | |
| 140 | - * @param string $tag The name of the filter to hook the $method to. | |
| 141 | - * @param type $method The name of the method to be called when the filter is applied. | |
| 142 | - * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. | |
| 143 | - * @param int $accepted_args optional. The number of arguments the function accept (default 1). | |
| 144 | - * @return Visualizer_Module | |
| 145 | - */ | |
| 146 | - protected function _addFilter( $tag, $method, $priority = 10, $accepted_args = 1 ) { | |
| 147 | - add_filter( $tag, array( $this, $method ), $priority, $accepted_args ); | |
| 148 | - return $this; | |
| 149 | - } | |
| 150 | - | |
| 151 | - /** | |
| 152 | - * Registers a hook for shortcode tag. | |
| 153 | - * | |
| 154 | - * @since 1.0.0 | |
| 155 | - * @uses add_shortcode() To register shortcode hook. | |
| 156 | - * | |
| 157 | - * @access protected | |
| 158 | - * @param string $tag Shortcode tag to be searched in post content. | |
| 159 | - * @param string $method Hook to run when shortcode is found. | |
| 160 | - * @return Visualizer_Module | |
| 161 | - */ | |
| 162 | - protected function _addShortcode( $tag, $method ) { | |
| 163 | - add_shortcode( $tag, array( $this, $method ) ); | |
| 164 | - return $this; | |
| 165 | - } | |
| 166 | - | |
| 167 | - /** | |
| 168 | - * A wrapper around the actual function _getDataAs. This function is invoked as a filter. | |
| 169 | - * | |
| 170 | - * @since 3.2.0 | |
| 171 | - */ | |
| 172 | - public function getDataAs( $final, $chart_id, $type ) { | |
| 173 | - return $this->_getDataAs( $chart_id, $type ); | |
| 174 | - } | |
| 175 | - | |
| 176 | - /** | |
| 177 | - * Extracts the data for a chart and prepares it for the given type. | |
| 178 | - * | |
| 179 | - * @access public | |
| 180 | - * @param int $chart_id The chart id. | |
| 181 | - * @param string $type The exported type. | |
| 182 | - */ | |
| 183 | - public function _getDataAs( $chart_id, $type ) { | |
| 184 | - $final = null; | |
| 185 | - $success = false; | |
| 186 | - if ( $chart_id ) { | |
| 187 | - $chart = get_post( $chart_id ); | |
| 188 | - $success = $chart && $chart->post_type === Visualizer_Plugin::CPT_VISUALIZER; | |
| 189 | - } | |
| 190 | - if ( $success ) { | |
| 191 | - $settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ); | |
| 192 | - $rows = array(); | |
| 193 | - $series = get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ); | |
| 194 | - $data = self::get_chart_data( $chart, $type, false ); | |
| 195 | - if ( ! empty( $series ) ) { | |
| 196 | - $row = array(); | |
| 197 | - foreach ( $series as $array ) { | |
| 198 | - $row[] = $array['label']; | |
| 199 | - } | |
| 200 | - $rows[] = $row; | |
| 201 | - $row = array(); | |
| 202 | - foreach ( $series as $array ) { | |
| 203 | - $row[] = $array['type']; | |
| 204 | - } | |
| 205 | - $rows[] = $row; | |
| 206 | - } | |
| 207 | - if ( ! empty( $data ) ) { | |
| 208 | - foreach ( $data as $array ) { | |
| 209 | - // ignore strings | |
| 210 | - if ( ! is_array( $array ) ) { | |
| 211 | - continue; | |
| 212 | - } | |
| 213 | - // if this is an array of arrays... | |
| 214 | - if ( is_array( $array[0] ) ) { | |
| 215 | - foreach ( $array as $arr ) { | |
| 216 | - $rows[] = $arr; | |
| 217 | - } | |
| 218 | - } else { | |
| 219 | - // just an array | |
| 220 | - $rows[] = $array; | |
| 221 | - } | |
| 222 | - } | |
| 223 | - } | |
| 224 | - | |
| 225 | - $title = 'visualizer#' . $chart_id; | |
| 226 | - if ( ! empty( $settings['title'] ) ) { | |
| 227 | - $title = $settings['title']; | |
| 228 | - } | |
| 229 | - // for ChartJS, title is an array. | |
| 230 | - if ( is_array( $title ) && isset( $title['text'] ) ) { | |
| 231 | - $title = $title['text']; | |
| 232 | - } | |
| 233 | - if ( empty( $title ) ) { | |
| 234 | - $title = 'visualizer#' . $chart_id; | |
| 235 | - } | |
| 236 | - | |
| 237 | - $filename = $title; | |
| 238 | - | |
| 239 | - switch ( $type ) { | |
| 240 | - case 'csv': | |
| 241 | - $final = $this->_getCSV( $rows, $filename, false ); | |
| 242 | - break; | |
| 243 | - case 'csv-display': | |
| 244 | - $final = $this->_getCSV( $rows, $filename, true ); | |
| 245 | - break; | |
| 246 | - case 'xls': | |
| 247 | - $final = $this->_getExcel( $rows, $filename ); | |
| 248 | - break; | |
| 249 | - case 'print': | |
| 250 | - $final = $this->_getHTML( $rows ); | |
| 251 | - break; | |
| 252 | - case 'image': | |
| 253 | - $final = $this->_getImage( $chart ); | |
| 254 | - break; | |
| 255 | - } | |
| 256 | - } | |
| 257 | - return $final; | |
| 258 | - } | |
| 259 | - | |
| 260 | - /** | |
| 261 | - * Prepares a CSV. | |
| 262 | - * | |
| 263 | - * @access private | |
| 264 | - * @param array $rows The array of data. | |
| 265 | - * @param string $filename The name of the file to use. | |
| 266 | - * @param bool $enclose Enclose strings that have commas in them in double quotes. | |
| 267 | - */ | |
| 268 | - private function _getCSV( $rows, $filename, $enclose ) { | |
| 269 | - $filename .= '.csv'; | |
| 270 | - | |
| 271 | - $bom = chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ); | |
| 272 | - // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged | |
| 273 | - $fp = function_exists( 'tmpfile' ) ? @tmpfile() : null; | |
| 274 | - if ( null === $fp ) { | |
| 275 | - $fp = fopen( wp_tempnam(), 'w+' ); | |
| 276 | - } | |
| 277 | - if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) { | |
| 278 | - unset( $rows[1] ); | |
| 279 | - $rows = array_values( $rows ); | |
| 280 | - } | |
| 281 | - // support for MS Excel | |
| 282 | - fprintf( $fp, $bom ); | |
| 283 | - foreach ( $rows as $row ) { | |
| 284 | - fputcsv( $fp, $row ); | |
| 285 | - } | |
| 286 | - rewind( $fp ); | |
| 287 | - $csv = ''; | |
| 288 | - // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition | |
| 289 | - while ( ( $array = fgetcsv( $fp ) ) !== false ) { | |
| 290 | - if ( strlen( $csv ) > 0 ) { | |
| 291 | - $csv .= PHP_EOL; | |
| 292 | - } | |
| 293 | - // if enclosure is required, check every item of this line | |
| 294 | - // if a comma exists in the item, add enclosure. | |
| 295 | - if ( $enclose ) { | |
| 296 | - $temp_array = array(); | |
| 297 | - foreach ( $array as $item ) { | |
| 298 | - if ( strpos( $item, ',' ) !== false ) { | |
| 299 | - $item = VISUALIZER_CSV_ENCLOSURE . $item . VISUALIZER_CSV_ENCLOSURE; | |
| 300 | - } | |
| 301 | - $temp_array[] = $item; | |
| 302 | - } | |
| 303 | - $array = $temp_array; | |
| 304 | - } | |
| 305 | - $csv .= implode( ',', $array ); | |
| 306 | - } | |
| 307 | - fclose( $fp ); | |
| 308 | - | |
| 309 | - return array( | |
| 310 | - 'csv' => $csv, | |
| 311 | - 'name' => $filename, | |
| 312 | - 'string' => str_replace( $bom, '', $csv ), | |
| 313 | - ); | |
| 314 | - } | |
| 315 | - | |
| 316 | - /** | |
| 317 | - * Prepares an Excel file. | |
| 318 | - * | |
| 319 | - * @access private | |
| 320 | - * @param array $rows The array of data. | |
| 321 | - * @param string $filename The name of the file to use. | |
| 322 | - */ | |
| 323 | - private function _getExcel( $rows, $filename ) { | |
| 324 | - // PHPExcel did not like sheet names longer than 31 characters and we will assume the same with PhpSpreadsheet | |
| 325 | - $chart = substr( $filename, 0, 30 ); | |
| 326 | - $filename .= '.xlsx'; | |
| 327 | - if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) { | |
| 328 | - unset( $rows[1] ); | |
| 329 | - $rows = array_values( $rows ); | |
| 330 | - $rows = array_map( | |
| 331 | - function( $r ) { | |
| 332 | - return array_map( 'strval', $r ); | |
| 333 | - }, | |
| 334 | - $rows | |
| 335 | - ); | |
| 336 | - } | |
| 337 | - $vendor_file = VISUALIZER_ABSPATH . '/vendor/autoload.php'; | |
| 338 | - if ( is_readable( $vendor_file ) ) { | |
| 339 | - include_once( $vendor_file ); | |
| 340 | - } | |
| 341 | - $xlsData = ''; | |
| 342 | - if ( class_exists( 'PhpOffice\PhpSpreadsheet\Spreadsheet' ) ) { | |
| 343 | - $doc = new PhpOffice\PhpSpreadsheet\Spreadsheet(); | |
| 344 | - $doc->getActiveSheet()->fromArray( $rows, null, 'A1' ); | |
| 345 | - $doc->getActiveSheet()->setTitle( sanitize_title( $chart ) ); | |
| 346 | - $doc = apply_filters( 'visualizer_excel_doc', $doc ); | |
| 347 | - $writer = PhpOffice\PhpSpreadsheet\IOFactory::createWriter( $doc, 'Xlsx' ); | |
| 348 | - ob_start(); | |
| 349 | - $writer->save( 'php://output' ); | |
| 350 | - $xlsData = ob_get_contents(); | |
| 351 | - ob_end_clean(); | |
| 352 | - } else { | |
| 353 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!', 'error', __FILE__, __LINE__ ); | |
| 354 | - error_log( 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!' ); | |
| 355 | - } | |
| 356 | - return array( | |
| 357 | - 'csv' => 'data:application/vnd.ms-excel;base64,' . base64_encode( $xlsData ), | |
| 358 | - 'name' => $filename, | |
| 359 | - 'raw' => base64_encode( $xlsData ), | |
| 360 | - ); | |
| 361 | - } | |
| 362 | - | |
| 363 | - /** | |
| 364 | - * Prepares an HTML table. | |
| 365 | - * | |
| 366 | - * @access private | |
| 367 | - * @param array $rows The array of data. | |
| 368 | - */ | |
| 369 | - private function _getHTML( $rows ) { | |
| 370 | - $css = ' | |
| 371 | - table.visualizer-print { | |
| 372 | - border-collapse: collapse; | |
| 373 | - } | |
| 374 | - table.visualizer-print, table.visualizer-print th, table.visualizer-print td { | |
| 375 | - border: 1px solid #000; | |
| 376 | - } | |
| 377 | - '; | |
| 378 | - $html = ''; | |
| 379 | - $html .= ' | |
| 380 | - <html> | |
| 381 | - <head> | |
| 382 | - <style> | |
| 383 | - ' . apply_filters( 'visualizer_print_css', $css ) . ' | |
| 384 | - </style> | |
| 385 | - </head> | |
| 386 | - <body>'; | |
| 387 | - | |
| 388 | - $table = '<table class="visualizer-print">'; | |
| 389 | - $index = 0; | |
| 390 | - foreach ( $rows as $row ) { | |
| 391 | - // skip the data type row. | |
| 392 | - if ( 1 === $index ) { | |
| 393 | - $index++; | |
| 394 | - continue; | |
| 395 | - } | |
| 396 | - | |
| 397 | - $table .= '<tr>'; | |
| 398 | - foreach ( $row as $col ) { | |
| 399 | - if ( $index === 0 ) { | |
| 400 | - $table .= '<th>' . $col . '</th>'; | |
| 401 | - } else { | |
| 402 | - $table .= '<td>' . $col . '</td>'; | |
| 403 | - } | |
| 404 | - } | |
| 405 | - $table .= '</tr>'; | |
| 406 | - $index++; | |
| 407 | - } | |
| 408 | - $table .= '</table>'; | |
| 409 | - | |
| 410 | - $html .= apply_filters( 'visualizer_print_table', $table ) . ' | |
| 411 | - </body> | |
| 412 | - </html>'; | |
| 413 | - return array( | |
| 414 | - 'csv' => $html, | |
| 415 | - ); | |
| 416 | - } | |
| 417 | - | |
| 418 | - /** | |
| 419 | - * Disable revisions temporarily for visualizer post type. | |
| 420 | - */ | |
| 421 | - protected final function disableRevisionsTemporarily() { | |
| 422 | - add_filter( | |
| 423 | - 'wp_revisions_to_keep', function( $num, $post ) { | |
| 424 | - if ( $post->post_type === Visualizer_Plugin::CPT_VISUALIZER ) { | |
| 425 | - return 0; | |
| 426 | - } | |
| 427 | - return $num; | |
| 428 | - }, 10, 2 | |
| 429 | - ); | |
| 430 | - } | |
| 431 | - | |
| 432 | - /** | |
| 433 | - * Undo revisions for the chart, and if necessary, restore the earliest version. | |
| 434 | - * | |
| 435 | - * @return bool If any revisions were found. | |
| 436 | - */ | |
| 437 | - public final function undoRevisions( $chart_id, $restore = false ) { | |
| 438 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'undoRevisions for %d with%s restore', $chart_id, ( $restore ? '' : 'out' ) ), 'debug', __FILE__, __LINE__ ); | |
| 439 | - if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) { | |
| 440 | - return false; | |
| 441 | - } | |
| 442 | - $revisions = wp_get_post_revisions( $chart_id, array( 'order' => 'ASC' ) ); | |
| 443 | - if ( count( $revisions ) > 1 ) { | |
| 444 | - $revision_ids = array_keys( $revisions ); | |
| 445 | - | |
| 446 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'found %d revisions = %s', count( $revisions ), print_r( $revision_ids, true ) ), 'debug', __FILE__, __LINE__ ); | |
| 447 | - | |
| 448 | - // when we restore, a new revision is likely to be created. so, let's disable revisions for the time being. | |
| 449 | - $this->disableRevisionsTemporarily(); | |
| 450 | - | |
| 451 | - if ( $restore ) { | |
| 452 | - // restore to the oldest one i.e. the first one. | |
| 453 | - wp_restore_post_revision( array_shift( $revision_ids ) ); | |
| 454 | - } | |
| 455 | - | |
| 456 | - // delete all revisions. | |
| 457 | - foreach ( $revision_ids as $id ) { | |
| 458 | - wp_delete_post_revision( $id ); | |
| 459 | - } | |
| 460 | - | |
| 461 | - return true; | |
| 462 | - } | |
| 463 | - return false; | |
| 464 | - } | |
| 465 | - | |
| 466 | - /** | |
| 467 | - * If existing revisions exist for the chart, restore the earliest version and then create a new revision to initiate editing. | |
| 468 | - */ | |
| 469 | - public final function handleExistingRevisions( $chart_id, $chart ) { | |
| 470 | - | |
| 471 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'handleExistingRevisions for %d', $chart_id ), 'debug', __FILE__, __LINE__ ); | |
| 472 | - if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) { | |
| 473 | - return $chart_id; | |
| 474 | - } | |
| 475 | - // undo revisions. | |
| 476 | - $revisions_found = $this->undoRevisions( $chart_id, true ); | |
| 477 | - | |
| 478 | - // create revision for the edit action. | |
| 479 | - wp_save_post_revision( $chart_id ); | |
| 480 | - | |
| 481 | - if ( $revisions_found ) { | |
| 482 | - // fetch chart data again in case it was updated by an earlier revision. | |
| 483 | - $chart = get_post( $chart_id ); | |
| 484 | - } | |
| 485 | - return $chart; | |
| 486 | - } | |
| 487 | - | |
| 488 | - /** | |
| 489 | - * Returns the language of the locale. | |
| 490 | - * | |
| 491 | - * @access protected | |
| 492 | - */ | |
| 493 | - protected function get_language() { | |
| 494 | - $locale = get_locale(); | |
| 495 | - if ( empty( $locale ) ) { | |
| 496 | - return ''; | |
| 497 | - } | |
| 498 | - $array = explode( '_', $locale ); | |
| 499 | - if ( count( $array ) < 2 ) { | |
| 500 | - return ''; | |
| 501 | - } | |
| 502 | - return reset( $array ); | |
| 503 | - } | |
| 504 | - | |
| 505 | - /** | |
| 506 | - * Gets/creates the JS where user-specific customizations can be/have been added. | |
| 507 | - */ | |
| 508 | - protected function get_user_customization_js() { | |
| 509 | - // use this as the JS file in case we are not able to create the file in uploads. | |
| 510 | - $default = VISUALIZER_ABSURL . 'js/customization.js'; | |
| 511 | - | |
| 512 | - $uploads = wp_get_upload_dir(); | |
| 513 | - $specific = $uploads['baseurl'] . '/visualizer/customization.js'; | |
| 514 | - | |
| 515 | - // for testing on user sites (before we send them the correctly customized file). | |
| 516 | - if ( VISUALIZER_TEST_JS_CUSTOMIZATION ) { | |
| 517 | - return $default; | |
| 518 | - } | |
| 519 | - | |
| 520 | - require_once( ABSPATH . 'wp-admin/includes/file.php' ); | |
| 521 | - WP_Filesystem(); | |
| 522 | - global $wp_filesystem; | |
| 523 | - | |
| 524 | - $multisite_arg = '/'; | |
| 525 | - if ( is_multisite() && ! is_main_site() ) { | |
| 526 | - $multisite_arg = '/sites/' . get_current_blog_id() . '/'; | |
| 527 | - } | |
| 528 | - | |
| 529 | - $dir = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer'; | |
| 530 | - $file = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer/customization.js'; | |
| 531 | - | |
| 532 | - if ( $wp_filesystem->is_readable( $file ) ) { | |
| 533 | - return $specific; | |
| 534 | - } | |
| 535 | - | |
| 536 | - if ( $wp_filesystem->exists( $file ) && ! $wp_filesystem->is_readable( $file ) ) { | |
| 537 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to read file %s', $file ), 'error', __FILE__, __LINE__ ); | |
| 538 | - return $default; | |
| 539 | - } | |
| 540 | - | |
| 541 | - if ( ! $wp_filesystem->exists( $dir ) ) { | |
| 542 | - // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found | |
| 543 | - if ( ( $done = $wp_filesystem->mkdir( $dir ) ) === false ) { | |
| 544 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to create directory %s', $dir ), 'error', __FILE__, __LINE__ ); | |
| 545 | - return $default; | |
| 546 | - } | |
| 547 | - } | |
| 548 | - | |
| 549 | - // if file does not exist, copy. | |
| 550 | - if ( ! $wp_filesystem->exists( $file ) ) { | |
| 551 | - $src = str_replace( ABSPATH, $wp_filesystem->abspath(), VISUALIZER_ABSPATH . '/js/customization.js' ); | |
| 552 | - // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found | |
| 553 | - if ( ( $done = $wp_filesystem->copy( $src, $file ) ) === false ) { | |
| 554 | - do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to copy file %s to %s', $src, $file ), 'error', __FILE__, __LINE__ ); | |
| 555 | - return $default; | |
| 556 | - } | |
| 557 | - } | |
| 558 | - | |
| 559 | - return $specific; | |
| 560 | - } | |
| 561 | - | |
| 562 | - /** | |
| 563 | - * Load the class for the given chart's chart type so that its assets can be loaded. | |
| 564 | - */ | |
| 565 | - protected function load_chart_type( $chart_id ) { | |
| 566 | - $name = $this->load_chart_class_name( $chart_id ); | |
| 567 | - $class = null; | |
| 568 | - if ( class_exists( $name ) || true === apply_filters( 'visualizer_load_chart', false, $name ) ) { | |
| 569 | - if ( 'Visualizer_Render_Sidebar_Type_DataTable_DataTable' === $name ) { | |
| 570 | - $name = 'Visualizer_Render_Sidebar_Type_DataTable_Tabular'; | |
| 571 | - } | |
| 572 | - $class = new $name; | |
| 573 | - } | |
| 574 | - | |
| 575 | - if ( is_null( $class ) && Visualizer_Module::is_pro() ) { | |
| 576 | - // lets see if this type exists in pro. New Lite(3.1.0+) & old Pro(1.8.0-). | |
| 577 | - $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ); | |
| 578 | - $class = apply_filters( 'visualizer_pro_chart_type_sidebar', null, array( 'id' => $chart_id, 'type' => $type, 'settings' => get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) ) ); | |
| 579 | - } | |
| 580 | - | |
| 581 | - return is_null( $class ) ? null : $class->getLibrary(); | |
| 582 | - } | |
| 583 | - | |
| 584 | - /** | |
| 585 | - * Returns the class name for the given chart's chart type. | |
| 586 | - */ | |
| 587 | - protected function load_chart_class_name( $chart_id ) { | |
| 588 | - $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ); | |
| 589 | - $lib = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_LIBRARY, true ); | |
| 590 | - | |
| 591 | - // backward compatibility. | |
| 592 | - if ( empty( $lib ) ) { | |
| 593 | - $lib = 'GoogleCharts'; | |
| 594 | - if ( 'dataTable' === $type ) { | |
| 595 | - $lib = 'DataTable'; | |
| 596 | - } | |
| 597 | - } | |
| 598 | - $name = 'Visualizer_Render_Sidebar_Type_' . $lib . '_' . ucwords( $type ); | |
| 599 | - return $name; | |
| 600 | - } | |
| 601 | - | |
| 602 | - /** | |
| 603 | - * Generates the inline CSS to apply to the chart and adds these classes to the settings. | |
| 604 | - * | |
| 605 | - * @access public | |
| 606 | - * @param int $id The id of the chart. | |
| 607 | - * @param array $settings The settings of the chart. | |
| 608 | - */ | |
| 609 | - protected function get_inline_custom_css( $id, $settings ) { | |
| 610 | - $css = ''; | |
| 611 | - | |
| 612 | - $classes = array(); | |
| 613 | - $css = '<style type="text/css" name="visualizer-custom-css" id="customcss-' . $id . '">'; | |
| 614 | - if ( ! empty( $settings['customcss'] ) ) { | |
| 615 | - foreach ( $settings['customcss'] as $name => $element ) { | |
| 616 | - $attributes = array(); | |
| 617 | - foreach ( $element as $property => $value ) { | |
| 618 | - $attributes[] = $this->handle_css_property( $property, $value ); | |
| 619 | - } | |
| 620 | - $class_name = $id . $name; | |
| 621 | - $properties = implode( ' !important; ', array_filter( $attributes ) ); | |
| 622 | - if ( ! empty( $properties ) ) { | |
| 623 | - $css .= '.' . $class_name . ' {' . $properties . ' !important;}'; | |
| 624 | - $classes[ $name ] = $class_name; | |
| 625 | - } | |
| 626 | - } | |
| 627 | - $settings['cssClassNames'] = $classes; | |
| 628 | - } | |
| 629 | - | |
| 630 | - $img_path = VISUALIZER_ABSURL . 'images'; | |
| 631 | - $css .= ".locker,.locker-loader{position:absolute;top:0;left:0;width:100%;height:100%}.locker{z-index:1000;opacity:.8;background-color:#fff;-ms-filter:\"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\";filter:alpha(opacity=80)}.locker-loader{z-index:1001;background:url($img_path/ajax-loader.gif) no-repeat center center}.dt-button{display:none!important}.visualizer-front-container.visualizer-lazy-render{content-visibility: auto;}.google-visualization-controls-categoryfilter label.google-visualization-controls-label {vertical-align: middle;}.google-visualization-controls-categoryfilter li.goog-inline-block {margin: 0 0.2em;}.google-visualization-controls-categoryfilter li {padding: 0 0.2em;}"; | |
| 632 | - $css .= '</style>'; | |
| 633 | - | |
| 634 | - $arguments = array( $css, $settings ); | |
| 635 | - apply_filters_ref_array( 'visualizer_inline_css', array( &$arguments ) ); | |
| 636 | - | |
| 637 | - return $arguments; | |
| 638 | - } | |
| 639 | - | |
| 640 | - /** | |
| 641 | - * Handles CSS properties that might need special syntax. | |
| 642 | - * | |
| 643 | - * @access private | |
| 644 | - * @param string $property The name of the css property. | |
| 645 | - * @param string $value The value of the css property. | |
| 646 | - */ | |
| 647 | - private function handle_css_property( $property, $value ) { | |
| 648 | - if ( empty( $property ) || empty( $value ) ) { | |
| 649 | - return ''; | |
| 650 | - } | |
| 651 | - | |
| 652 | - switch ( $property ) { | |
| 653 | - case 'transform': | |
| 654 | - $value = 'rotate(' . $value . 'deg)'; | |
| 655 | - break; | |
| 656 | - } | |
| 657 | - return $property . ': ' . $value; | |
| 658 | - } | |
| 659 | - | |
| 660 | - /** | |
| 661 | - * Determines if charts have been created of the particular chart type. | |
| 662 | - */ | |
| 663 | - protected static function hasChartType( $type ) { | |
| 664 | - $args = array( | |
| 665 | - 'post_type' => Visualizer_Plugin::CPT_VISUALIZER, | |
| 666 | - 'fields' => 'ids', | |
| 667 | - 'post_status' => 'publish', | |
| 668 | - 'meta_query' => array( | |
| 669 | - array( | |
| 670 | - 'key' => Visualizer_Plugin::CF_CHART_TYPE, | |
| 671 | - 'value' => $type, | |
| 672 | - ), | |
| 673 | - ), | |
| 674 | - ); | |
| 675 | - | |
| 676 | - $q = new WP_Query( $args ); | |
| 677 | - return $q->found_posts > 0; | |
| 678 | - } | |
| 679 | - | |
| 680 | - /** | |
| 681 | - * Determines how many charts have been created. | |
| 682 | - */ | |
| 683 | - protected static function numberOfCharts() { | |
| 684 | - $args = array( | |
| 685 | - 'post_type' => Visualizer_Plugin::CPT_VISUALIZER, | |
| 686 | - 'fields' => 'ids', | |
| 687 | - 'post_status' => 'publish', | |
| 688 | - 'posts_per_page' => 300, | |
| 689 | - ); | |
| 690 | - | |
| 691 | - $q = new WP_Query( $args ); | |
| 692 | - return $q->found_posts; | |
| 693 | - } | |
| 694 | - | |
| 695 | - /** | |
| 696 | - * Checks if the PRO version is active. | |
| 697 | - * | |
| 698 | - * @since 3.3.0 | |
| 699 | - */ | |
| 700 | - public static function is_pro() { | |
| 701 | - // versions of pro before 1.9.0 will use the constant VISUALIZER_PRO | |
| 702 | - // versions of pro 1.9.0 onwards will use the filter | |
| 703 | - return apply_filters( 'visualizer_is_pro', VISUALIZER_PRO ); | |
| 704 | - } | |
| 705 | - | |
| 706 | - /** | |
| 707 | - * Checks if the PRO version is older than a particular version. | |
| 708 | - * | |
| 709 | - * @since 3.3.0 | |
| 710 | - */ | |
| 711 | - public static function is_pro_older_than( $version ) { | |
| 712 | - return version_compare( VISUALIZER_PRO_VERSION, $version, '<' ); | |
| 713 | - } | |
| 714 | - | |
| 715 | - /** | |
| 716 | - * Should we show some specific feature on the basis of the version? | |
| 717 | - * | |
| 718 | - * @since 3.4.0 | |
| 719 | - */ | |
| 720 | - public static function can_show_feature( $feature ) { | |
| 721 | - switch ( $feature ) { | |
| 722 | - case 'simple-editor': | |
| 723 | - // if user has pro but an older version, then don't load the simple editor functionality | |
| 724 | - // as the select box will not behave as expected because the pro editor's functionality will supercede. | |
| 725 | - return ! Visualizer_Module::is_pro() || ! Visualizer_Module::is_pro_older_than( '1.9.2' ); | |
| 726 | - } | |
| 727 | - return false; | |
| 728 | - } | |
| 729 | - | |
| 730 | - /** | |
| 731 | - * Gets the features for the provided license type. | |
| 732 | - */ | |
| 733 | - public static final function get_features_for_license( $plan ) { | |
| 734 | - switch ( $plan ) { | |
| 735 | - case 1: | |
| 736 | - return array( 'import-wp', 'db-query', 'import-wc-report' ); | |
| 737 | - case 2: | |
| 738 | - return array( 'schedule-chart', 'chart-permissions' ); | |
| 739 | - } | |
| 740 | - } | |
| 741 | - | |
| 742 | - /** | |
| 743 | - * Gets the chart content after common manipulations. | |
| 744 | - */ | |
| 745 | - public static function get_chart_data( $chart, $type, $run_filter = true ) { | |
| 746 | - // change HTML entities | |
| 747 | - $post_content = html_entity_decode( htmlentities( $chart->post_content ) ); | |
| 748 | - $post_content = preg_replace_callback( | |
| 749 | - '!s:(\d+):"(.*?)";!s', | |
| 750 | - function ( $matches ) { | |
| 751 | - if ( isset( $matches[2] ) ) { | |
| 752 | - return 's:' . strlen( $matches[2] ) . ':"' . $matches[2] . '";'; | |
| 753 | - } | |
| 754 | - }, | |
| 755 | - $post_content | |
| 756 | - ); | |
| 757 | - $data = unserialize( $post_content ); | |
| 758 | - $altered = array(); | |
| 759 | - if ( ! empty( $data ) ) { | |
| 760 | - foreach ( $data as $index => $array ) { | |
| 761 | - if ( ! is_array( $index ) && is_array( $array ) ) { | |
| 762 | - foreach ( $array as &$datum ) { | |
| 763 | - if ( is_string( $datum ) ) { | |
| 764 | - $datum = stripslashes( $datum ); | |
| 765 | - } | |
| 766 | - } | |
| 767 | - $altered[ $index ] = $array; | |
| 768 | - } | |
| 769 | - } | |
| 770 | - } | |
| 771 | - // if something goes wrong and the end result is empty, be safe and use the original data | |
| 772 | - if ( empty( $altered ) ) { | |
| 773 | - $altered = $data; | |
| 774 | - } | |
| 775 | - if ( $run_filter ) { | |
| 776 | - return apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, $altered, $chart->ID, $type ); | |
| 777 | - } | |
| 778 | - return $altered; | |
| 779 | - } | |
| 780 | - | |
| 781 | - /** | |
| 782 | - * Get chart image. | |
| 783 | - * | |
| 784 | - * @param object $chart Chart data. | |
| 785 | - * @return string | |
| 786 | - */ | |
| 787 | - public function _getImage( $chart = null ) { | |
| 788 | - $image = ''; | |
| 789 | - if ( $chart ) { | |
| 790 | - $chart_image = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true ); | |
| 791 | - if ( ! empty( $chart_image ) ) { | |
| 792 | - $image = wp_get_attachment_image( $chart_image, 'full' ); | |
| 793 | - } | |
| 794 | - } | |
| 795 | - return array( | |
| 796 | - 'csv' => $image, | |
| 797 | - ); | |
| 798 | - } | |
| 799 | - | |
| 800 | - /** | |
| 801 | - * Filter chart title if visualizer post type. | |
| 802 | - * | |
| 803 | - * @param object $query WP Query object. | |
| 804 | - * @return void | |
| 805 | - */ | |
| 806 | - public function PreGetPosts( $query ) { | |
| 807 | - if ( ! $query->is_main_query() ) { | |
| 808 | - $post_type = $query->get( 'post_type' ); | |
| 809 | - if ( 'visualizer' === $post_type ) { | |
| 810 | - $this->_addFilter( Visualizer_Plugin::FILTER_CHART_TITLE, 'filterChartTitle', 10, 2 ); | |
| 811 | - } | |
| 812 | - } | |
| 813 | - } | |
| 814 | - | |
| 815 | - /** | |
| 816 | - * Filter chart title. | |
| 817 | - * | |
| 818 | - * @access public | |
| 819 | - * @param string $post_title Post title. | |
| 820 | - * @param int $post_id Post ID. | |
| 821 | - * @return string | |
| 822 | - */ | |
| 823 | - public function filterChartTitle( $post_title, $post_id ) { | |
| 824 | - $post_type = get_post_type( $post_id ); | |
| 825 | - $post_title = trim( $post_title ); | |
| 826 | - if ( 'visualizer' === $post_type && 'Visualization' === $post_title ) { | |
| 827 | - return sprintf( '%s #%d', $post_title, $post_id ); | |
| 828 | - } | |
| 829 | - return $post_title; | |
| 830 | - } | |
| 831 | -} | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +// +----------------------------------------------------------------------+ | |
| 4 | +// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) | | |
| 5 | +// +----------------------------------------------------------------------+ | |
| 6 | +// | This program is free software; you can redistribute it and/or modify | | |
| 7 | +// | it under the terms of the GNU General Public License, version 2, as | | |
| 8 | +// | published by the Free Software Foundation. | | |
| 9 | +// | | | |
| 10 | +// | This program is distributed in the hope that it will be useful, | | |
| 11 | +// | but WITHOUT ANY WARRANTY; without even the implied warranty of | | |
| 12 | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | |
| 13 | +// | GNU General Public License for more details. | | |
| 14 | +// | | | |
| 15 | +// | You should have received a copy of the GNU General Public License | | |
| 16 | +// | along with this program; if not, write to the Free Software | | |
| 17 | +// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | | |
| 18 | +// | MA 02110-1301 USA | | |
| 19 | +// +----------------------------------------------------------------------+ | |
| 20 | +// | Author: Eugene Manuilov <eugene@manuilov.org> | | |
| 21 | +// +----------------------------------------------------------------------+ | |
| 22 | + | |
| 23 | +/** | |
| 24 | + * Base class for all modules. Implements routine methods required by all modules. | |
| 25 | + * | |
| 26 | + * @category Visualizer | |
| 27 | + * @package Module | |
| 28 | + * | |
| 29 | + * @since 1.0.0 | |
| 30 | + */ | |
| 31 | +class Visualizer_Module { | |
| 32 | + | |
| 33 | + /** | |
| 34 | + * The instance of wpdb class. | |
| 35 | + * | |
| 36 | + * @since 1.0.0 | |
| 37 | + * | |
| 38 | + * @access protected | |
| 39 | + * @var wpdb | |
| 40 | + */ | |
| 41 | + protected $_wpdb = null; | |
| 42 | + | |
| 43 | + /** | |
| 44 | + * The plugin instance. | |
| 45 | + * | |
| 46 | + * @since 1.0.0 | |
| 47 | + * | |
| 48 | + * @access protected | |
| 49 | + * @var Visualizer_Plugin | |
| 50 | + */ | |
| 51 | + protected $_plugin = null; | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * Constructor. | |
| 55 | + * | |
| 56 | + * @since 1.0.0 | |
| 57 | + * @global wpdb $wpdb Current database connection. | |
| 58 | + * | |
| 59 | + * @access public | |
| 60 | + * @param Visualizer_Plugin $plugin The instance of the plugin. | |
| 61 | + */ | |
| 62 | + public function __construct( Visualizer_Plugin $plugin ) { | |
| 63 | + global $wpdb; | |
| 64 | + | |
| 65 | + $this->_wpdb = $wpdb; | |
| 66 | + $this->_plugin = $plugin; | |
| 67 | + } | |
| 68 | + | |
| 69 | + /** | |
| 70 | + * Registers an action hook. | |
| 71 | + * | |
| 72 | + * @since 1.0.0 | |
| 73 | + * @uses add_action() To register action hook. | |
| 74 | + * | |
| 75 | + * @access protected | |
| 76 | + * @param string $tag The name of the action to which the $method is hooked. | |
| 77 | + * @param string $method The name of the method to be called. | |
| 78 | + * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. | |
| 79 | + * @param int $accepted_args optional. The number of arguments the function accept (default 1). | |
| 80 | + * @return Visualizer_Module | |
| 81 | + */ | |
| 82 | + protected function _addAction( $tag, $method, $methodClass=NULL, $priority = 10, $accepted_args = 1 ) { | |
| 83 | + add_action( $tag, array( $methodClass ? $methodClass : $this, $method ), $priority, $accepted_args ); | |
| 84 | + return $this; | |
| 85 | + } | |
| 86 | + | |
| 87 | + /** | |
| 88 | + * Registers AJAX action hook. | |
| 89 | + * | |
| 90 | + * @since 1.0.0 | |
| 91 | + * | |
| 92 | + * @access public | |
| 93 | + * @param string $tag The name of the AJAX action to which the $method is hooked. | |
| 94 | + * @param string $method Optional. The name of the method to be called. If the name of the method is not provided, tag name will be used as method name. | |
| 95 | + * @param boolean $private Optional. Determines if we should register hook for logged in users. | |
| 96 | + * @param boolean $public Optional. Determines if we should register hook for not logged in users. | |
| 97 | + * @return Visualizer_Module | |
| 98 | + */ | |
| 99 | + protected function _addAjaxAction( $tag, $method = '', $methodClass=NULL, $private = true, $public = false ) { | |
| 100 | + if ( $private ) { | |
| 101 | + $this->_addAction( 'wp_ajax_' . $tag, $method, $methodClass ); | |
| 102 | + } | |
| 103 | + | |
| 104 | + if ( $public ) { | |
| 105 | + $this->_addAction( 'wp_ajax_nopriv_' . $tag, $method, $methodClass ); | |
| 106 | + } | |
| 107 | + | |
| 108 | + return $this; | |
| 109 | + } | |
| 110 | + | |
| 111 | + /** | |
| 112 | + * Registers a filter hook. | |
| 113 | + * | |
| 114 | + * @since 1.0.0 | |
| 115 | + * @uses add_filter() To register filter hook. | |
| 116 | + * | |
| 117 | + * @access protected | |
| 118 | + * @param string $tag The name of the filter to hook the $method to. | |
| 119 | + * @param type $method The name of the method to be called when the filter is applied. | |
| 120 | + * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. | |
| 121 | + * @param int $accepted_args optional. The number of arguments the function accept (default 1). | |
| 122 | + * @return Visualizer_Module | |
| 123 | + */ | |
| 124 | + protected function _addFilter( $tag, $method, $priority = 10, $accepted_args = 1 ) { | |
| 125 | + add_filter( $tag, array( $this, $method ), $priority, $accepted_args ); | |
| 126 | + return $this; | |
| 127 | + } | |
| 128 | + | |
| 129 | + /** | |
| 130 | + * Registers a hook for shortcode tag. | |
| 131 | + * | |
| 132 | + * @since 1.0.0 | |
| 133 | + * @uses add_shortcode() To register shortcode hook. | |
| 134 | + * | |
| 135 | + * @access protected | |
| 136 | + * @param string $tag Shortcode tag to be searched in post content. | |
| 137 | + * @param string $method Hook to run when shortcode is found. | |
| 138 | + * @return Visualizer_Module | |
| 139 | + */ | |
| 140 | + protected function _addShortcode( $tag, $method ) { | |
| 141 | + add_shortcode( $tag, array( $this, $method ) ); | |
| 142 | + return $this; | |
| 143 | + } | |
| 144 | + | |
| 145 | +} | |
