| 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 |
* Frontend module class. |
| 24 |
* |
| 25 |
* @category Visualizer |
| 26 |
* @package Module |
| 27 |
* |
| 28 |
* @since 1.0.0 |
| 29 |
*/ |
| 30 |
class Visualizer_Module_Frontend extends Visualizer_Module { |
| 31 |
|
| 32 |
const NAME = __CLASS__; |
| 33 |
|
| 34 |
/** |
| 35 |
* The array of charts to render. |
| 36 |
* |
| 37 |
* @since 1.0.0 |
| 38 |
* |
| 39 |
* @access private |
| 40 |
* @var array |
| 41 |
*/ |
| 42 |
private $_charts = array(); |
| 43 |
|
| 44 |
/** |
| 45 |
* Lazy render script. |
| 46 |
* |
| 47 |
* @access private |
| 48 |
* @var bool |
| 49 |
*/ |
| 50 |
private $lazy_render_script = false; |
| 51 |
|
| 52 |
/** |
| 53 |
* Constructor. |
| 54 |
* |
| 55 |
* @since 1.0.0 |
| 56 |
* @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters. |
| 57 |
* |
| 58 |
* @access public |
| 59 |
* @param Visualizer_Plugin $plugin The instance of the plugin. |
| 60 |
*/ |
| 61 |
public function __construct( Visualizer_Plugin $plugin ) { |
| 62 |
parent::__construct( $plugin ); |
| 63 |
|
| 64 |
$this->_addAction( 'wp_print_footer_scripts', 'printFooterScripts' ); |
| 65 |
$this->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' ); |
| 66 |
$this->_addAction( 'load-index.php', 'enqueueScripts' ); |
| 67 |
$this->_addAction( 'visualizer_enqueue_scripts', 'enqueueScripts' ); |
| 68 |
$this->_addFilter( 'visualizer_get_language', 'getLanguage' ); |
| 69 |
$this->_addShortcode( 'visualizer', 'renderChart' ); |
| 70 |
|
| 71 |
// add do_shortocde hook for widget_text filter |
| 72 |
if ( ! has_filter( 'widget_text', 'do_shortcode' ) ) { |
| 73 |
add_filter( 'widget_text', 'do_shortcode' ); |
| 74 |
} |
| 75 |
|
| 76 |
// add do_shortcode hook for term_description filter |
| 77 |
if ( ! has_filter( 'term_description', 'do_shortcode' ) ) { |
| 78 |
add_filter( 'term_description', 'do_shortcode' ); |
| 79 |
} |
| 80 |
|
| 81 |
add_action( 'rest_api_init', array( $this, 'endpoint_register' ) ); |
| 82 |
|
| 83 |
$this->_addFilter( 'script_loader_tag', 'script_loader_tag', null, 10, 3 ); |
| 84 |
} |
| 85 |
|
| 86 |
/** |
| 87 |
* Adds the async attribute to certain scripts. |
| 88 |
*/ |
| 89 |
function script_loader_tag( $tag, $handle, $src ) { |
| 90 |
if ( is_admin() ) { |
| 91 |
return $tag; |
| 92 |
} |
| 93 |
// Async scripts. |
| 94 |
$async_scripts = array( 'google-jsapi', 'chartjs', 'visualizer-datatables' ); |
| 95 |
foreach ( $async_scripts as $async ) { |
| 96 |
if ( $async === $handle ) { |
| 97 |
$tag = str_replace( ' src', ' async src', $tag ); |
| 98 |
break; |
| 99 |
} |
| 100 |
}; |
| 101 |
|
| 102 |
// Async scripts. |
| 103 |
$scripts = array( 'dom-to-image' ); |
| 104 |
foreach ( array( 'async', 'defer' ) as $attr ) { |
| 105 |
if ( wp_scripts()->get_data( $handle, $attr ) ) { |
| 106 |
break; |
| 107 |
} |
| 108 |
if ( in_array( $handle, $async_scripts, true ) || false === strpos( $handle, 'visualizer-' ) ) { |
| 109 |
break; |
| 110 |
} |
| 111 |
if ( ! preg_match( ":\s$attr(=|>|\s):", $tag ) ) { |
| 112 |
$tag = preg_replace( ':(?=></script>):', " $attr", $tag, 1 ); |
| 113 |
if ( $this->lazy_render_script ) { |
| 114 |
$tag = str_replace( ' src', ' data-visualizer-script', $tag ); |
| 115 |
} |
| 116 |
} |
| 117 |
// Only allow async or defer, not both. |
| 118 |
break; |
| 119 |
} |
| 120 |
return $tag; |
| 121 |
} |
| 122 |
|
| 123 |
/** |
| 124 |
* Returns the language/locale. |
| 125 |
*/ |
| 126 |
function getLanguage( $dummy, $only_language ) { |
| 127 |
return $this->get_language(); |
| 128 |
} |
| 129 |
|
| 130 |
|
| 131 |
/** |
| 132 |
* Registers the endpoints |
| 133 |
*/ |
| 134 |
function endpoint_register() { |
| 135 |
register_rest_route( |
| 136 |
'visualizer/v' . VISUALIZER_REST_VERSION, |
| 137 |
'/action/(?P<chart>\d+)/(?P<type>.+)/', |
| 138 |
array( |
| 139 |
// POST is required for save/cancel, GET for all others |
| 140 |
'methods' => array( 'POST', 'GET' ), |
| 141 |
'args' => array( |
| 142 |
'chart' => array( |
| 143 |
'required' => true, |
| 144 |
'sanitize_callback' => function( $param ) { |
| 145 |
return is_numeric( $param ) ? $param : null; |
| 146 |
}, |
| 147 |
), |
| 148 |
'type' => array( |
| 149 |
'required' => true, |
| 150 |
'type' => 'string', |
| 151 |
'enum' => array_merge( array( 'save', 'cancel' ), array_keys( $this->get_actions() ) ), |
| 152 |
), |
| 153 |
), |
| 154 |
'permission_callback' => function ( WP_REST_Request $request ) { |
| 155 |
$chart_id = filter_var( sanitize_text_field( $request->get_param( 'chart' ), FILTER_VALIDATE_INT ) ); |
| 156 |
if ( ! empty( $chart_id ) && in_array( $request->get_param( 'type' ), array( 'save', 'cancel' ), true ) ) { |
| 157 |
// let save and cancel go without any check as past version of pro |
| 158 |
// did not send the X-WP-Nonce |
| 159 |
// we can change this at a later date. |
| 160 |
return true; |
| 161 |
} |
| 162 |
return ! empty( $chart_id ) && apply_filters( 'visualizer_pro_show_chart', true, $chart_id ); |
| 163 |
}, |
| 164 |
'callback' => array( $this, 'perform_action' ), |
| 165 |
) |
| 166 |
); |
| 167 |
} |
| 168 |
|
| 169 |
/** |
| 170 |
* All possible actions and their labels |
| 171 |
* |
| 172 |
* @access private |
| 173 |
*/ |
| 174 |
private function get_actions() { |
| 175 |
$actions = apply_filters( |
| 176 |
'visualizer_action_buttons', |
| 177 |
array( |
| 178 |
'print' => array( |
| 179 |
'label' => esc_html__( 'Print', 'visualizer' ), |
| 180 |
'title' => esc_html__( 'Print Chart', 'visualizer' ), |
| 181 |
), |
| 182 |
'csv' => array( |
| 183 |
'label' => esc_html__( 'CSV', 'visualizer' ), |
| 184 |
'title' => esc_html__( 'Download as a CSV', 'visualizer' ), |
| 185 |
), |
| 186 |
'xls' => array( |
| 187 |
'label' => esc_html__( 'Excel', 'visualizer' ), |
| 188 |
'title' => esc_html__( 'Download as a spreadsheet', 'visualizer' ), |
| 189 |
), |
| 190 |
'copy' => array( |
| 191 |
'label' => esc_html__( 'Copy', 'visualizer' ), |
| 192 |
'title' => esc_html__( 'Copy data', 'visualizer' ), |
| 193 |
), |
| 194 |
'image' => array( |
| 195 |
'label' => esc_html__( 'Download', 'visualizer' ), |
| 196 |
'title' => esc_html__( 'Download as an image', 'visualizer' ), |
| 197 |
), |
| 198 |
) |
| 199 |
); |
| 200 |
|
| 201 |
// backward compatibility before label and title attributes were introduced. |
| 202 |
if ( isset( $actions['edit'] ) && is_string( $actions['edit'] ) ) { |
| 203 |
$actions['edit'] = array( |
| 204 |
'label' => esc_html__( 'Edit', 'visualizer' ), |
| 205 |
'title' => esc_html__( 'Edit data', 'visualizer' ), |
| 206 |
); |
| 207 |
} |
| 208 |
return $actions; |
| 209 |
} |
| 210 |
|
| 211 |
/** |
| 212 |
* The print button |
| 213 |
* |
| 214 |
* @since 1.0.0 |
| 215 |
* |
| 216 |
* @access public |
| 217 |
*/ |
| 218 |
public function perform_action( WP_REST_Request $params ) { |
| 219 |
$chart_id = filter_var( sanitize_text_field( $params['chart'] ), FILTER_VALIDATE_INT ); |
| 220 |
$type = sanitize_text_field( $params['type'] ); |
| 221 |
$data = null; |
| 222 |
|
| 223 |
if ( ! $chart_id ) { |
| 224 |
return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid chart ID', 'visualizer' ) ) ) ); |
| 225 |
} |
| 226 |
|
| 227 |
if ( ! $type ) { |
| 228 |
return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid action', 'visualizer' ) ) ) ); |
| 229 |
} |
| 230 |
|
| 231 |
switch ( $type ) { |
| 232 |
case 'print': |
| 233 |
$data = $this->_getDataAs( $chart_id, 'print' ); |
| 234 |
break; |
| 235 |
case 'csv': |
| 236 |
$data = $this->_getDataAs( $chart_id, 'csv' ); |
| 237 |
break; |
| 238 |
case 'xls': |
| 239 |
$data = $this->_getDataAs( $chart_id, 'xls' ); |
| 240 |
break; |
| 241 |
case 'image': |
| 242 |
$settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ); |
| 243 |
$title = 'visualizer#' . $chart_id; |
| 244 |
if ( ! empty( $settings['title'] ) ) { |
| 245 |
$title = $settings['title']; |
| 246 |
} |
| 247 |
// for ChartJS, title is an array. |
| 248 |
if ( is_array( $title ) && isset( $title['text'] ) ) { |
| 249 |
$title = $title['text']; |
| 250 |
} |
| 251 |
if ( empty( $title ) ) { |
| 252 |
$title = 'visualizer#' . $chart_id; |
| 253 |
} |
| 254 |
$data = array( 'name' => $title ); |
| 255 |
break; |
| 256 |
default: |
| 257 |
$data = apply_filters( 'visualizer_action_data', $data, $chart_id, $type, $params, $this ); |
| 258 |
break; |
| 259 |
} |
| 260 |
|
| 261 |
return new WP_REST_Response( array( 'data' => $data ) ); |
| 262 |
} |
| 263 |
|
| 264 |
/** |
| 265 |
* Registers scripts for charts rendering. |
| 266 |
* |
| 267 |
* @since 1.0.0 |
| 268 |
* @uses wp_register_script To register javascript file. |
| 269 |
* |
| 270 |
* @access public |
| 271 |
*/ |
| 272 |
public function enqueueScripts() { |
| 273 |
wp_register_script( 'visualizer-customization', $this->get_user_customization_js(), array(), null, true ); |
| 274 |
do_action( 'visualizer_pro_frontend_load_resources' ); |
| 275 |
} |
| 276 |
|
| 277 |
/** |
| 278 |
* Returns placeholder for chart according to visualizer shortcode attributes. |
| 279 |
* |
| 280 |
* @since 1.0.0 |
| 281 |
* @uses shortcode_atts() To parse income shortocdes. |
| 282 |
* @uses apply_filters() To filter chart's data and series arrays. |
| 283 |
* @uses get_post_meta() To fetch chart's meta information. |
| 284 |
* @uses wp_enqueue_script() To enqueue charts render script. |
| 285 |
* @uses wp_localize_script() To add chart data to the page inline script. |
| 286 |
* |
| 287 |
* @access public |
| 288 |
* @param array $atts The array of shortcode attributes. |
| 289 |
*/ |
| 290 |
public function renderChart( $atts ) { |
| 291 |
global $wp_version; |
| 292 |
$atts = shortcode_atts( |
| 293 |
array( |
| 294 |
// chart id |
| 295 |
'id' => false, |
| 296 |
// chart class |
| 297 |
'class' => false, |
| 298 |
// for lazy load |
| 299 |
// set 'yes' to use the default intersection limit (300px) |
| 300 |
// OR set a number (e.g. 700) to use 700px as the intersection limit |
| 301 |
'lazy' => apply_filters( 'visualizer_lazy_by_default', false, $atts['id'] ), |
| 302 |
// Use image chart |
| 303 |
'use_image' => 'no', |
| 304 |
), |
| 305 |
$atts |
| 306 |
); |
| 307 |
|
| 308 |
$chart_data = $this->getChartData( Visualizer_Plugin::CF_CHART_CACHE, $atts['id'] ); |
| 309 |
// if empty chart does not exists, then return empty string. |
| 310 |
if ( ! $chart_data ) { |
| 311 |
return ''; |
| 312 |
} |
| 313 |
|
| 314 |
$chart = $chart_data['chart']; |
| 315 |
$type = $chart_data['type']; |
| 316 |
$series = $chart_data['series']; |
| 317 |
// do not show the chart? |
| 318 |
if ( ! apply_filters( 'visualizer_pro_show_chart', true, $atts['id'] ) ) { |
| 319 |
return ''; |
| 320 |
} |
| 321 |
|
| 322 |
// in case revisions exist. |
| 323 |
// phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found |
| 324 |
if ( true === ( $revisions = $this->undoRevisions( $chart->ID, true ) ) ) { |
| 325 |
$chart = get_post( $chart->ID ); |
| 326 |
} |
| 327 |
|
| 328 |
$id = 'visualizer-' . $atts['id']; |
| 329 |
$defaultClass = 'visualizer-front'; |
| 330 |
$class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] ); |
| 331 |
|
| 332 |
$lazyClass = $atts['lazy'] === 'yes' || ctype_digit( $atts['lazy'] ) ? 'visualizer-lazy' : ''; |
| 333 |
|
| 334 |
$class = sprintf( '%s %s %s %s', $defaultClass, $class, 'visualizer-front-' . $atts['id'], $lazyClass ); |
| 335 |
$attributes = array(); |
| 336 |
if ( ! empty( $class ) ) { |
| 337 |
$attributes['class'] = trim( $class ); |
| 338 |
} |
| 339 |
|
| 340 |
if ( ctype_digit( $atts['lazy'] ) ) { |
| 341 |
$attributes['data-lazy-limit'] = $atts['lazy']; |
| 342 |
} |
| 343 |
|
| 344 |
$chart = apply_filters( 'visualizer_schedule_refresh_chart', $chart, $chart->ID, false ); |
| 345 |
|
| 346 |
// Get and update settings. |
| 347 |
$settings = $chart_data['settings']; |
| 348 |
if ( empty( $settings['height'] ) ) { |
| 349 |
$settings['height'] = '400'; |
| 350 |
} |
| 351 |
|
| 352 |
// handle series filter hooks |
| 353 |
$series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, $series, $chart->ID, $type ); |
| 354 |
|
| 355 |
// handle settings filter hooks |
| 356 |
$settings = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SETTINGS, $settings, $chart->ID, $type ); |
| 357 |
|
| 358 |
$lazy_load = isset( $settings['lazy_load_chart'] ) ? $settings['lazy_load_chart'] : false; |
| 359 |
$lazy_load = apply_filters( 'visualizer_lazy_load_chart', $lazy_load, $chart->ID ); |
| 360 |
$container_class = 'visualizer-front-container'; |
| 361 |
if ( $lazy_load ) { |
| 362 |
$this->lazy_render_script = true; |
| 363 |
$container_class .= ' visualizer-lazy-render'; |
| 364 |
} |
| 365 |
|
| 366 |
// handle data filter hooks |
| 367 |
$data = self::get_chart_data( $chart, $type ); |
| 368 |
|
| 369 |
$css = ''; |
| 370 |
$arguments = $this->get_inline_custom_css( $id, $settings ); |
| 371 |
if ( ! empty( $arguments ) ) { |
| 372 |
$css = $arguments[0]; |
| 373 |
$settings = $arguments[1]; |
| 374 |
} |
| 375 |
|
| 376 |
$library = $this->load_chart_type( $chart->ID ); |
| 377 |
|
| 378 |
$id = $id . '-' . rand(); |
| 379 |
|
| 380 |
$amp = Visualizer_Plugin::instance()->getModule( Visualizer_Module_AMP::NAME ); |
| 381 |
if ( $amp && $amp->is_amp() ) { |
| 382 |
return '<div data-amp-auto-lightbox-disable id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '>' . $amp->get_chart( $chart, $data, $series, $settings ) . '</div>'; |
| 383 |
} |
| 384 |
|
| 385 |
if ( 'yes' === $atts['use_image'] ) { |
| 386 |
$chart_image = $chart_data['chart_image']; |
| 387 |
if ( $chart_image ) { |
| 388 |
return '<div id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '>' . wp_get_attachment_image( $chart_image, 'full' ) . '</div>'; |
| 389 |
} |
| 390 |
} |
| 391 |
// Unset chart image base64 string. |
| 392 |
if ( isset( $settings['chart-img'] ) ) { |
| 393 |
unset( $settings['chart-img'] ); |
| 394 |
} |
| 395 |
|
| 396 |
// add chart to the array |
| 397 |
$this->_charts[ $id ] = array( |
| 398 |
'type' => $type, |
| 399 |
'series' => $series, |
| 400 |
'settings' => $settings, |
| 401 |
'data' => $data, |
| 402 |
'library' => $library, |
| 403 |
); |
| 404 |
|
| 405 |
$actions_div = ''; |
| 406 |
$actions_visible = apply_filters( 'visualizer_pro_add_actions', isset( $settings['actions'] ) ? $settings['actions'] : array(), $atts['id'] ); |
| 407 |
if ( ! empty( $actions_visible ) ) { |
| 408 |
$actions = $this->get_actions(); |
| 409 |
$actions_div = '<div class="visualizer-actions">'; |
| 410 |
foreach ( $actions_visible as $action_type ) { |
| 411 |
$key = $action_type; |
| 412 |
$mime = ''; |
| 413 |
if ( strpos( $action_type, ';' ) !== false ) { |
| 414 |
$array = explode( ';', $action_type ); |
| 415 |
$key = $array[0]; |
| 416 |
$mime = end( $array ); |
| 417 |
} |
| 418 |
$label = $actions[ $key ]['label']; |
| 419 |
$title = $actions[ $key ]['title']; |
| 420 |
$actions_div .= sprintf( '<a href="#" class="visualizer-action visualizer-action-%s" data-visualizer-type="%s" data-visualizer-chart-id="%s" data-visualizer-container-id="%s" data-visualizer-mime="%s" title="%s"', $key, $key, $atts['id'], $id, $mime, $title ); |
| 421 |
|
| 422 |
if ( 'copy' === $key ) { |
| 423 |
$copy = $this->_getDataAs( $atts['id'], 'csv' ); |
| 424 |
$actions_div .= ' data-clipboard-text="' . esc_attr( $copy['csv'] ) . '"'; |
| 425 |
wp_enqueue_script( 'clipboard' ); |
| 426 |
} |
| 427 |
|
| 428 |
$actions_div .= apply_filters( 'visualizer_action_attributes', '', $key, $atts['id'] ); |
| 429 |
$actions_div .= '>' . $label . '</a> '; |
| 430 |
} |
| 431 |
|
| 432 |
$actions_div .= '</div>'; |
| 433 |
} |
| 434 |
|
| 435 |
$actions_div .= $css; |
| 436 |
|
| 437 |
$_charts = array(); |
| 438 |
$_charts_type = ''; |
| 439 |
$count = 0; |
| 440 |
foreach ( $this->_charts as $id => $array ) { |
| 441 |
$_charts = $this->_charts; |
| 442 |
$library = $array['library']; |
| 443 |
$_charts_type = $library; |
| 444 |
if ( ! wp_script_is( "visualizer-render-$library", 'registered' ) ) { |
| 445 |
wp_register_script( |
| 446 |
"visualizer-render-$library", |
| 447 |
VISUALIZER_ABSURL . 'js/render-facade.js', |
| 448 |
apply_filters( 'visualizer_assets_render', array( 'jquery', 'visualizer-customization' ), true ), |
| 449 |
Visualizer_Plugin::VERSION, |
| 450 |
true |
| 451 |
); |
| 452 |
wp_enqueue_script( "visualizer-render-$library" ); |
| 453 |
} |
| 454 |
|
| 455 |
if ( wp_script_is( "visualizer-render-$_charts_type" ) && 0 === $count ) { |
| 456 |
wp_localize_script( |
| 457 |
"visualizer-render-$_charts_type", |
| 458 |
'visualizer', |
| 459 |
array( |
| 460 |
'charts' => $this->_charts, |
| 461 |
'language' => $this->get_language(), |
| 462 |
'map_api_key' => get_option( 'visualizer-map-api-key' ), |
| 463 |
'rest_url' => version_compare( $wp_version, '4.7.0', '>=' ) ? rest_url( 'visualizer/v' . VISUALIZER_REST_VERSION . '/action/#id#/#type#/' ) : '', |
| 464 |
'wp_nonce' => wp_create_nonce( 'wp_rest' ), |
| 465 |
'i10n' => array( |
| 466 |
'copied' => __( 'The data has been copied to your clipboard. Hit Ctrl-V/Cmd-V in your spreadsheet editor to paste the data.', 'visualizer' ), |
| 467 |
), |
| 468 |
'page_type' => 'frontend', |
| 469 |
'is_front' => true, |
| 470 |
) |
| 471 |
); |
| 472 |
} |
| 473 |
$count++; |
| 474 |
} |
| 475 |
|
| 476 |
// return placeholder div |
| 477 |
return '<div class="' . $container_class . '">' . $actions_div . '<div id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '></div>' . $this->addSchema( $chart->ID ) . '</div>'; |
| 478 |
} |
| 479 |
|
| 480 |
/** |
| 481 |
* Converts the array of attributes to a string of HTML attributes. |
| 482 |
* |
| 483 |
* @since ? |
| 484 |
* |
| 485 |
* @access private |
| 486 |
*/ |
| 487 |
private function getHtmlAttributes( $attributes ) { |
| 488 |
$string = ''; |
| 489 |
if ( ! $attributes ) { |
| 490 |
return $string; |
| 491 |
} |
| 492 |
|
| 493 |
foreach ( $attributes as $name => $value ) { |
| 494 |
$string .= sprintf( '%s="%s"', esc_attr( $name ), esc_attr( $value ) ); |
| 495 |
} |
| 496 |
return $string; |
| 497 |
} |
| 498 |
|
| 499 |
/** |
| 500 |
* Adds the schema corresponding to the dataset. |
| 501 |
* |
| 502 |
* @since 3.3.2 |
| 503 |
* |
| 504 |
* @access private |
| 505 |
*/ |
| 506 |
private function addSchema( $id ) { |
| 507 |
// should we show informative errors as HTML comments? |
| 508 |
$show_errors = apply_filters( 'visualizer_schema_show_errors', true, $id ); |
| 509 |
|
| 510 |
$settings = get_post_meta( $id, Visualizer_Plugin::CF_SETTINGS, true ); |
| 511 |
$title = ''; |
| 512 |
if ( isset( $settings['title'] ) && ! empty( $settings['title'] ) ) { |
| 513 |
$title = $settings['title']; |
| 514 |
if ( is_array( $title ) ) { |
| 515 |
$title = $settings['title']['text']; |
| 516 |
} |
| 517 |
} |
| 518 |
$title = apply_filters( 'visualizer_schema_name', $title, $id ); |
| 519 |
if ( empty( $title ) ) { |
| 520 |
if ( $show_errors ) { |
| 521 |
return "<!-- Not showing structured data for chart $id because title is empty -->"; |
| 522 |
} |
| 523 |
return ''; |
| 524 |
} |
| 525 |
|
| 526 |
$desc = ''; |
| 527 |
if ( isset( $settings['description'] ) && ! empty( $settings['description'] ) ) { |
| 528 |
$desc = $settings['description']; |
| 529 |
} |
| 530 |
$desc = apply_filters( 'visualizer_schema_description', $desc, $id ); |
| 531 |
if ( empty( $desc ) ) { |
| 532 |
if ( $show_errors ) { |
| 533 |
return "<!-- Not showing structured data for chart $id because description is empty -->"; |
| 534 |
} |
| 535 |
return ''; |
| 536 |
} |
| 537 |
|
| 538 |
// descriptions below 50 chars are not allowed. |
| 539 |
if ( strlen( $desc ) < 50 ) { |
| 540 |
if ( $show_errors ) { |
| 541 |
return "<!-- Not showing structured data for chart $id because description is shorter than 50 characters -->"; |
| 542 |
} |
| 543 |
return ''; |
| 544 |
} |
| 545 |
|
| 546 |
$license = ''; |
| 547 |
if ( isset( $settings['license'] ) && ! empty( $settings['license'] ) ) { |
| 548 |
$license = $settings['license']; |
| 549 |
if ( is_array( $license ) ) { |
| 550 |
$license = $settings['license']['text']; |
| 551 |
} |
| 552 |
} |
| 553 |
$license = apply_filters( 'visualizer_schema_license', $license, $id ); |
| 554 |
if ( empty( $license ) ) { |
| 555 |
if ( $show_errors ) { |
| 556 |
return "<!-- Not showing structured data for chart $id because license is empty -->"; |
| 557 |
} |
| 558 |
return ''; |
| 559 |
} |
| 560 |
|
| 561 |
$creator = ''; |
| 562 |
if ( isset( $settings['creator'] ) && ! empty( $settings['creator'] ) ) { |
| 563 |
$creator = $settings['creator']; |
| 564 |
if ( is_array( $creator ) ) { |
| 565 |
$creator = $settings['creator']['text']; |
| 566 |
} |
| 567 |
} |
| 568 |
$creator = apply_filters( 'visualizer_schema_creator', $creator, $id ); |
| 569 |
if ( empty( $creator ) ) { |
| 570 |
if ( $show_errors ) { |
| 571 |
return "<!-- Not showing structured data for chart $id because creator is empty -->"; |
| 572 |
} |
| 573 |
return ''; |
| 574 |
} |
| 575 |
|
| 576 |
$schema = apply_filters( |
| 577 |
'visualizer_schema', |
| 578 |
'{ |
| 579 |
"@context":"https://schema.org/", |
| 580 |
"@type":"Dataset", |
| 581 |
"name":"' . esc_html( $title ) . '", |
| 582 |
"description":"' . esc_html( $desc ) . '", |
| 583 |
"license": "' . esc_html( $license ) . '", |
| 584 |
"creator": { |
| 585 |
"@type": "Person", |
| 586 |
"name": "' . esc_html( $creator ) . '" |
| 587 |
} |
| 588 |
}', |
| 589 |
$id |
| 590 |
); |
| 591 |
|
| 592 |
if ( empty( $schema ) ) { |
| 593 |
return ''; |
| 594 |
} |
| 595 |
|
| 596 |
return '<script type="application/ld+json">' . $schema . '</script>'; |
| 597 |
} |
| 598 |
|
| 599 |
/** |
| 600 |
* Get chart by ID. |
| 601 |
* |
| 602 |
* @param string $cache_key Cache key. |
| 603 |
* @param int $chart_id Chart ID. |
| 604 |
* @return mixed |
| 605 |
*/ |
| 606 |
private function getChartData( $cache_key = '', $chart_id = 0 ) { |
| 607 |
if ( ! $chart_id ) { |
| 608 |
return false; |
| 609 |
} |
| 610 |
// Create unique cache key of each chart. |
| 611 |
$cache_key .= '_' . $chart_id; |
| 612 |
// Get chart from cache. |
| 613 |
$chart = get_transient( $cache_key ); |
| 614 |
if ( $chart ) { |
| 615 |
return $chart; |
| 616 |
} |
| 617 |
|
| 618 |
// Get chart by ID. |
| 619 |
$chart = get_post( $chart_id ); |
| 620 |
if ( $chart && Visualizer_Plugin::CPT_VISUALIZER === $chart->post_type ) { |
| 621 |
$settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ); |
| 622 |
$series = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ); |
| 623 |
|
| 624 |
if ( isset( $settings['series'] ) && ! ( count( $settings['series'] ) - count( $series ) > 1 ) ) { |
| 625 |
$diff_total_series = abs( count( $settings['series'] ) - count( $series ) ); |
| 626 |
if ( $diff_total_series ) { |
| 627 |
foreach ( range( 1, $diff_total_series ) as $k => $diff_series ) { |
| 628 |
$settings['series'][] = end( $settings['series'] ); |
| 629 |
} |
| 630 |
} |
| 631 |
} |
| 632 |
$chart_data = array( |
| 633 |
'chart' => $chart, |
| 634 |
'type' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ), |
| 635 |
'settings' => $settings, |
| 636 |
'series' => $series, |
| 637 |
'chart_image' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true ), |
| 638 |
); |
| 639 |
|
| 640 |
// Put the results in a transient. Expire after 12 hours. |
| 641 |
set_transient( $cache_key, $chart_data, apply_filters( Visualizer_Plugin::FILTER_HANDLE_CACHE_EXPIRATION_TIME, 12 * HOUR_IN_SECONDS ) ); |
| 642 |
return $chart_data; |
| 643 |
} |
| 644 |
|
| 645 |
return false; |
| 646 |
} |
| 647 |
|
| 648 |
/** |
| 649 |
* Print footer script. |
| 650 |
*/ |
| 651 |
public function printFooterScripts() { |
| 652 |
if ( $this->lazy_render_script ) { |
| 653 |
?> |
| 654 |
<script type="text/javascript"> |
| 655 |
var visualizerUserInteractionEvents = [ |
| 656 |
"mouseover", |
| 657 |
"keydown", |
| 658 |
"touchmove", |
| 659 |
"touchstart" |
| 660 |
]; |
| 661 |
|
| 662 |
visualizerUserInteractionEvents.forEach(function(event) { |
| 663 |
window.addEventListener(event, visualizerTriggerScriptLoader, { passive: true }); |
| 664 |
}); |
| 665 |
|
| 666 |
function visualizerTriggerScriptLoader() { |
| 667 |
visualizerLoadScripts(); |
| 668 |
visualizerUserInteractionEvents.forEach(function(event) { |
| 669 |
window.removeEventListener(event, visualizerTriggerScriptLoader, { passive: true }); |
| 670 |
}); |
| 671 |
} |
| 672 |
|
| 673 |
function visualizerLoadScripts() { |
| 674 |
document.querySelectorAll("script[data-visualizer-script]").forEach(function(elem) { |
| 675 |
jQuery.getScript( elem.getAttribute("data-visualizer-script") ) |
| 676 |
.done( function( script, textStatus ) { |
| 677 |
elem.setAttribute("src", elem.getAttribute("data-visualizer-script")); |
| 678 |
elem.removeAttribute("data-visualizer-script"); |
| 679 |
setTimeout( function() { |
| 680 |
visualizerRefreshChart(); |
| 681 |
} ); |
| 682 |
} ); |
| 683 |
}); |
| 684 |
} |
| 685 |
|
| 686 |
function visualizerRefreshChart() { |
| 687 |
jQuery( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize(); |
| 688 |
if ( jQuery( 'div.viz-facade-loaded:not(.visualizer-lazy):empty' ).length > 0 ) { |
| 689 |
visualizerUserInteractionEvents.forEach( function( event ) { |
| 690 |
window.addEventListener( event, function() { |
| 691 |
jQuery( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize(); |
| 692 |
}, { passive: true } ); |
| 693 |
} ); |
| 694 |
} |
| 695 |
} |
| 696 |
</script> |
| 697 |
<?php |
| 698 |
} |
| 699 |
} |
| 700 |
} |
| 701 |
|
