| 1 |
<?php |
| 2 |
|
| 3 |
if ( ! defined( 'ABSPATH' ) ) { |
| 4 |
exit; |
| 5 |
} |
| 6 |
|
| 7 |
class M_Chart { |
| 8 |
public $version = '2.2.2'; |
| 9 |
public $slug = 'm-chart'; |
| 10 |
public $plugin_name = 'Chart'; |
| 11 |
public $chart_meta_fields = [ |
| 12 |
'library' => 'chartjs', |
| 13 |
'type' => 'line', |
| 14 |
'parse_in' => 'rows', |
| 15 |
'labels' => true, |
| 16 |
'shared' => false, |
| 17 |
'subtitle' => '', |
| 18 |
'y_title' => '', |
| 19 |
'y_units' => '', |
| 20 |
'y_min' => false, |
| 21 |
'y_min_value' => 0, |
| 22 |
'x_title' => '', |
| 23 |
'x_units' => '', |
| 24 |
'height' => 600, |
| 25 |
'legend' => true, |
| 26 |
'source' => '', |
| 27 |
'source_url' => '', |
| 28 |
'data' => [], |
| 29 |
'set_names' => [], |
| 30 |
'data_point_colors' => false, |
| 31 |
'mean_point' => true, |
| 32 |
'sample_points' => false, |
| 33 |
'constrain_y_axis' => false, |
| 34 |
'include_source' => false, |
| 35 |
]; |
| 36 |
public $get_chart_default_args = [ |
| 37 |
'show' => 'chart', |
| 38 |
'width' => 'responsive', |
| 39 |
'share' => '', |
| 40 |
]; |
| 41 |
public $parse_options = [ |
| 42 |
'columns', |
| 43 |
'rows', |
| 44 |
]; |
| 45 |
public $options_set; |
| 46 |
public $plugin_url; |
| 47 |
public $is_iframe = false; |
| 48 |
public $instance = 1; |
| 49 |
public $iframe_csp_nonce = ''; |
| 50 |
public $settings = [ |
| 51 |
'library' => 'chartjs', |
| 52 |
'show_library' => 'no', |
| 53 |
'performance' => 'default', |
| 54 |
'image_multiplier' => '2', |
| 55 |
'image_width' => '900', |
| 56 |
'default_height' => '600', |
| 57 |
'embeds' => '', |
| 58 |
'defer_rendering' => 'enabled', |
| 59 |
'default_theme' => '_default', |
| 60 |
'locale' => 'en-US', |
| 61 |
'csv_delimiter' => ',', |
| 62 |
]; |
| 63 |
public $csv_delimiters = [ |
| 64 |
',' => 'Comma', |
| 65 |
"\t" => 'Tab', |
| 66 |
' ' => 'Space', |
| 67 |
';' => 'Semicolon', |
| 68 |
]; |
| 69 |
public $library_class; |
| 70 |
public $icon = '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'; |
| 71 |
public $logo = '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'; |
| 72 |
|
| 73 |
private $admin; |
| 74 |
private $parse; |
| 75 |
private $block; |
| 76 |
private $fs; |
| 77 |
private $resolved_settings; |
| 78 |
private $libraries = [ |
| 79 |
'chartjs' => 'Chart.js', |
| 80 |
]; |
| 81 |
|
| 82 |
/** |
| 83 |
* Constructor |
| 84 |
*/ |
| 85 |
public function __construct() { |
| 86 |
// Initiate Freemius first so it loads as early as possible |
| 87 |
// Must run synchronously here at file load so Freemius detects m-chart.php as the plugin file |
| 88 |
$this->freemius(); |
| 89 |
|
| 90 |
$this->plugin_url = $this->plugin_url(); |
| 91 |
|
| 92 |
add_action( 'init', [ $this, 'init' ] ); |
| 93 |
add_action( 'plugins_loaded', [ $this, 'plugins_loaded' ] ); |
| 94 |
add_action( 'save_post', [ $this, 'save_post' ] ); |
| 95 |
// Doing this early as possible because it sets is_iframe which we might need to use for other things |
| 96 |
add_action( 'template_redirect', [ $this, 'template_redirect' ], 0 ); |
| 97 |
add_action( 'm_chart_update_post_meta', [ $this, 'm_chart_update_post_meta' ], 10, 2 ); |
| 98 |
|
| 99 |
// Doing this before the default so it's already done before anything else |
| 100 |
add_filter( 'm_chart_get_chart_image_tag', [ $this, 'm_chart_get_chart_image_tag' ], 9, 3 ); |
| 101 |
add_filter( 'the_content', [ $this, 'the_content' ] ); |
| 102 |
add_filter( 'm_chart_image_support', [ $this, 'm_chart_image_support' ], 10, 2 ); |
| 103 |
add_filter( 'm_chart_instant_preview_support', [ $this, 'm_chart_instant_preview_support' ], 10, 2 ); |
| 104 |
add_filter( 'm_chart_library_class', [ $this, 'm_chart_library_class' ], 10, 2 ); |
| 105 |
|
| 106 |
add_shortcode( 'm-chart', [ $this, 'chart_shortcode' ] ); |
| 107 |
// Backwards-compatible alias for content created before the rename |
| 108 |
add_shortcode( 'chart', [ $this, 'chart_shortcode' ] ); |
| 109 |
|
| 110 |
// Initiate the block class |
| 111 |
$this->block(); |
| 112 |
} |
| 113 |
|
| 114 |
/** |
| 115 |
* Initiate and return the Freemius SDK instance |
| 116 |
* |
| 117 |
* Lazily builds the instance on first call and caches it |
| 118 |
* The SDK lives in components/external/freemius rather than the usual plugin root /freemius |
| 119 |
* M Chart core (m-chart) is the free version so is_premium is false |
| 120 |
* M Chart Pro (m-chart-pro) is a separate plugin sold under the same Freemius product via parallel activation |
| 121 |
* |
| 122 |
* @return Freemius the Freemius SDK instance for M Chart |
| 123 |
*/ |
| 124 |
public function freemius() { |
| 125 |
if ( isset( $this->fs ) ) { |
| 126 |
return $this->fs; |
| 127 |
} |
| 128 |
|
| 129 |
require_once __DIR__ . '/external/freemius/start.php'; |
| 130 |
|
| 131 |
$this->fs = fs_dynamic_init( [ |
| 132 |
'id' => '30258', |
| 133 |
'slug' => 'm-chart', |
| 134 |
'premium_slug' => 'm-chart-pro', |
| 135 |
'type' => 'plugin', |
| 136 |
'public_key' => 'pk_b1eafc082abd31243874041aaaaab', |
| 137 |
'is_premium' => false, |
| 138 |
'has_premium_version' => true, |
| 139 |
'has_addons' => false, |
| 140 |
'has_paid_plans' => true, |
| 141 |
'is_org_compliant' => true, |
| 142 |
'parallel_activation' => [ |
| 143 |
'enabled' => true, |
| 144 |
'premium_version_basename' => 'm-chart-pro/m-chart-pro.php', |
| 145 |
], |
| 146 |
'menu' => [ |
| 147 |
// Anchor on the Charts CPT itself so the Freemius pages are plugin-level (m-chart-account, m-chart-pricing) |
| 148 |
// The CPT slug contains ".php?" so get_slug() falls back to the m-chart affix rather than an m-chart-settings- prefix |
| 149 |
'slug' => 'edit.php?post_type=m-chart', |
| 150 |
// Surface the Freemius Account page as a submenu link under the Charts menu |
| 151 |
'account' => true, |
| 152 |
'contact' => false, |
| 153 |
'support' => false, |
| 154 |
], |
| 155 |
] ); |
| 156 |
|
| 157 |
$this->freemius_filters(); |
| 158 |
|
| 159 |
do_action( 'm_chart_fs_loaded' ); |
| 160 |
|
| 161 |
return $this->fs; |
| 162 |
} |
| 163 |
|
| 164 |
/** |
| 165 |
* Register Freemius filters that brand the pricing and opt-in screens |
| 166 |
* |
| 167 |
* pricing/css_path points Freemius at our stylesheet which is enqueued on the pricing page after its own CSS |
| 168 |
* pricing/show_annual_in_monthly shows the real annual price rather than the monthly equivalent of the annual plan |
| 169 |
* |
| 170 |
* The css_path and plugin_icon paths run through Freemius's fs_asset_url which maps a path to a URL by stripping WP_PLUGIN_DIR |
| 171 |
* __DIR__ resolves to the plugin's real path which differs from WP_PLUGIN_DIR when the plugin is symlinked |
| 172 |
* plugin_basename normalizes it back to the plugins-dir-relative path so the URL resolves in every install |
| 173 |
* |
| 174 |
* The opt-in / connect screen has no css_path filter so we inline our stylesheet on the connect/before action instead |
| 175 |
* It prints after Freemius's own connect.css so equal-specificity overrides win on source order |
| 176 |
*/ |
| 177 |
private function freemius_filters() { |
| 178 |
$this->fs->add_filter( 'pricing/css_path', function () { |
| 179 |
return WP_PLUGIN_DIR . '/' . plugin_basename( __DIR__ . '/css/m-chart-freemius-pricing.css' ); |
| 180 |
} ); |
| 181 |
|
| 182 |
// Re-point the pricing page contact links at M Chart's own support/contact pages |
| 183 |
// Freemius wraps the pricing output in this filter so the inline script is scoped to that screen |
| 184 |
$this->fs->add_filter( 'templates/pricing.php', function ( $html ) { |
| 185 |
$script_path = __DIR__ . '/js/m-chart-freemius-pricing.js'; |
| 186 |
|
| 187 |
if ( ! file_exists( $script_path ) ) { |
| 188 |
return $html; |
| 189 |
} |
| 190 |
|
| 191 |
return $html |
| 192 |
. "<script id=\"m-chart-freemius-pricing\">\n" |
| 193 |
. file_get_contents( $script_path ) // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- local plugin asset |
| 194 |
. "</script>\n"; |
| 195 |
} ); |
| 196 |
|
| 197 |
$this->fs->add_filter( 'plugin_icon', function () { |
| 198 |
return WP_PLUGIN_DIR . '/' . plugin_basename( __DIR__ . '/images/m-chart-logo-square-rounded.svg' ); |
| 199 |
} ); |
| 200 |
|
| 201 |
$this->fs->add_filter( 'pricing/show_annual_in_monthly', '__return_false' ); |
| 202 |
|
| 203 |
$this->fs->add_action( 'connect/before', function () { |
| 204 |
$css_path = __DIR__ . '/css/m-chart-freemius-connect.css'; |
| 205 |
|
| 206 |
if ( ! file_exists( $css_path ) ) { |
| 207 |
return; |
| 208 |
} |
| 209 |
|
| 210 |
echo "<style id=\"m-chart-freemius-connect\">\n"; |
| 211 |
echo file_get_contents( $css_path ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- local plugin asset |
| 212 |
echo "</style>\n"; |
| 213 |
} ); |
| 214 |
|
| 215 |
// Swap Freemius's casual interjection headings for professional wording |
| 216 |
// These are admin-notice titles keyed by id and the trailing "!" / "..." is appended by the SDK so it carries over |
| 217 |
// Values are left unescaped since Freemius escapes them at the output site |
| 218 |
// Deferred to init since freemius() runs at construct and the __() calls would load the text domain before WordPress is ready |
| 219 |
add_action( 'init', function () { |
| 220 |
fs_override_i18n( [ |
| 221 |
'yee-haw' => __( 'Success', 'm-chart' ), |
| 222 |
'woot' => __( 'Success', 'm-chart' ), |
| 223 |
'right-on' => __( 'Success', 'm-chart' ), |
| 224 |
'oops' => __( 'Error', 'm-chart' ), |
| 225 |
'hmm' => __( 'Heads up', 'm-chart' ), |
| 226 |
'hey' => __( 'Hello', 'm-chart' ), |
| 227 |
], $this->slug ); |
| 228 |
} ); |
| 229 |
} |
| 230 |
|
| 231 |
/** |
| 232 |
* Admin object accessor |
| 233 |
*/ |
| 234 |
public function admin() { |
| 235 |
if ( ! $this->admin ) { |
| 236 |
require_once __DIR__ . '/class-m-chart-admin.php'; |
| 237 |
$this->admin = new M_Chart_Admin(); |
| 238 |
} |
| 239 |
|
| 240 |
return $this->admin; |
| 241 |
} |
| 242 |
|
| 243 |
/** |
| 244 |
* Block object accessor |
| 245 |
*/ |
| 246 |
public function block() { |
| 247 |
if ( ! $this->block ) { |
| 248 |
require_once __DIR__ . '/class-m-chart-block.php'; |
| 249 |
$this->block = new M_Chart_Block(); |
| 250 |
} |
| 251 |
|
| 252 |
return $this->block; |
| 253 |
} |
| 254 |
|
| 255 |
/** |
| 256 |
* Library object accessor |
| 257 |
*/ |
| 258 |
public function library( $library = false ) { |
| 259 |
if ( ! $library ) { |
| 260 |
$library = $this->get_library(); |
| 261 |
} |
| 262 |
|
| 263 |
return apply_filters( 'm_chart_library_class', $this->library_class, $library ); |
| 264 |
} |
| 265 |
|
| 266 |
/** |
| 267 |
* Parse object accessor |
| 268 |
*/ |
| 269 |
public function parse() { |
| 270 |
if ( ! $this->parse ) { |
| 271 |
require_once __DIR__ . '/class-m-chart-parsed-data-point.php'; |
| 272 |
require_once __DIR__ . '/class-m-chart-parse.php'; |
| 273 |
$this->parse = new M_Chart_Parse(); |
| 274 |
} |
| 275 |
|
| 276 |
return $this->parse; |
| 277 |
} |
| 278 |
|
| 279 |
/** |
| 280 |
* Do init stuff |
| 281 |
*/ |
| 282 |
public function init() { |
| 283 |
// Register the units taxonomy |
| 284 |
register_taxonomy( |
| 285 |
$this->slug . '-units', |
| 286 |
[ $this->slug ], |
| 287 |
[ |
| 288 |
'hierarchical' => true, |
| 289 |
'labels' => [ |
| 290 |
'name' => esc_html__( 'Chart Units', 'm-chart' ), |
| 291 |
'singular_name' => esc_html__( 'Chart Unit', 'm-chart' ), |
| 292 |
'search_items' => esc_html__( 'Search Chart Units', 'm-chart' ), |
| 293 |
'all_items' => esc_html__( 'All Chart Units', 'm-chart' ), |
| 294 |
'parent_item' => esc_html__( 'Parent Chart Unit', 'm-chart' ), |
| 295 |
'parent_item_colon' => esc_html__( 'Parent Chart Unit:', 'm-chart' ), |
| 296 |
'edit_item' => esc_html__( 'Edit Chart Unit', 'm-chart' ), |
| 297 |
'update_item' => esc_html__( 'Update Chart Unit', 'm-chart' ), |
| 298 |
'add_new_item' => esc_html__( 'Add New Chart Unit', 'm-chart' ), |
| 299 |
'new_item_name' => esc_html__( 'Chart Unit Name', 'm-chart' ), |
| 300 |
'menu_name' => esc_html__( 'Chart Units', 'm-chart' ), |
| 301 |
], |
| 302 |
'show_ui' => true, |
| 303 |
'query_var' => true, |
| 304 |
'rewrite' => [ |
| 305 |
'slug' => $this->slug . '-units', |
| 306 |
], |
| 307 |
] |
| 308 |
); |
| 309 |
|
| 310 |
// Register the library taxonomy |
| 311 |
register_taxonomy( |
| 312 |
$this->slug . '-library', |
| 313 |
[ $this->slug ], |
| 314 |
[ |
| 315 |
'hierarchical' => false, |
| 316 |
'show_ui' => false, |
| 317 |
'query_var' => true, |
| 318 |
'rewrite' => [ |
| 319 |
'slug' => $this->slug . '-library', |
| 320 |
], |
| 321 |
] |
| 322 |
); |
| 323 |
|
| 324 |
// Register the charts custom post type |
| 325 |
register_post_type( |
| 326 |
$this->slug, |
| 327 |
[ |
| 328 |
'labels' => [ |
| 329 |
'name' => esc_html__( 'Charts', 'm-chart' ), |
| 330 |
// Top-level admin menu label defaults to 'name' so we set it explicitly to brand the menu as M Chart |
| 331 |
'menu_name' => esc_html__( 'M Chart', 'm-chart' ), |
| 332 |
// First submenu item label defaults to menu_name so we set it back to Charts (parent reads M Chart, list reads Charts) |
| 333 |
'all_items' => esc_html__( 'Charts', 'm-chart' ), |
| 334 |
'singular_name' => esc_html__( 'Chart', 'm-chart' ), |
| 335 |
'add_new' => esc_html__( 'Add Chart', 'm-chart' ), |
| 336 |
'add_new_item' => esc_html__( 'Add Chart', 'm-chart' ), |
| 337 |
'edit' => esc_html__( 'Edit', 'm-chart' ), |
| 338 |
'edit_item' => esc_html__( 'Edit Chart', 'm-chart' ), |
| 339 |
'new_item' => esc_html__( 'New Chart', 'm-chart' ), |
| 340 |
'view' => esc_html__( 'View', 'm-chart' ), |
| 341 |
'view_item' => esc_html__( 'View Chart', 'm-chart' ), |
| 342 |
'search_items' => esc_html__( 'Search Charts', 'm-chart' ), |
| 343 |
'not_found' => esc_html__( 'No Charts found', 'm-chart' ), |
| 344 |
'not_found_in_trash' => esc_html__( 'No Charts found in the Trash', 'm-chart' ), |
| 345 |
], |
| 346 |
'register_meta_box_cb' => is_admin() ? [ $this->admin(), 'meta_boxes' ] : null, |
| 347 |
'public' => true, |
| 348 |
'show_in_rest' => true, |
| 349 |
'hierarchical' => false, |
| 350 |
'exclude_from_search' => false, |
| 351 |
'menu_position' => 9, |
| 352 |
'menu_icon' => 'data:image/svg+xml;base64,' . $this->logo, |
| 353 |
'query_var' => true, |
| 354 |
'can_export' => true, |
| 355 |
'has_archive' => 'charts', |
| 356 |
'description' => esc_html__( 'Manage data sets and display them as charts in WordPress.', 'm-chart' ), |
| 357 |
'rewrite' => [ |
| 358 |
'slug' => 'chart', |
| 359 |
], |
| 360 |
'supports' => [ |
| 361 |
'author', |
| 362 |
'title', |
| 363 |
'excerpt', |
| 364 |
'comments', |
| 365 |
], |
| 366 |
'taxonomies' => [ |
| 367 |
'category', |
| 368 |
'post_tag', |
| 369 |
$this->slug . '-units', |
| 370 |
], |
| 371 |
] |
| 372 |
); |
| 373 |
|
| 374 |
// Register the graphing library scripts |
| 375 |
wp_register_script( |
| 376 |
'chartjs', |
| 377 |
$this->plugin_url . '/components/external/chartjs/chart.js', |
| 378 |
[], |
| 379 |
$this->version |
| 380 |
); |
| 381 |
|
| 382 |
wp_register_script( |
| 383 |
'chartjs-helper', |
| 384 |
$this->plugin_url . '/components/js/m-chart-chartjs-helper.min.js', |
| 385 |
[ 'chartjs' ], |
| 386 |
$this->version |
| 387 |
); |
| 388 |
|
| 389 |
wp_register_script( |
| 390 |
'chartjs-datalabels', |
| 391 |
$this->plugin_url . '/components/external/chartjs/chartjs-plugin-datalabels.js', |
| 392 |
[ 'chartjs' ], |
| 393 |
$this->version |
| 394 |
); |
| 395 |
|
| 396 |
wp_register_script( |
| 397 |
'chartjs-treemap', |
| 398 |
$this->plugin_url . '/components/external/chartjs/chartjs-chart-treemap.min.js', |
| 399 |
[ 'chartjs' ], |
| 400 |
$this->version |
| 401 |
); |
| 402 |
|
| 403 |
wp_register_script( |
| 404 |
'chartjs-boxplot', |
| 405 |
$this->plugin_url . '/components/external/chartjs/chartjs-chart-boxplot.min.js', |
| 406 |
[ 'chartjs' ], |
| 407 |
$this->version |
| 408 |
); |
| 409 |
|
| 410 |
// Add endpoint needed for iframe embed support |
| 411 |
add_rewrite_endpoint( 'embed', EP_PERMALINK ); |
| 412 |
|
| 413 |
// Check if we need to run any upgrades |
| 414 |
$current_version = get_site_option( 'm_chart_version' ); |
| 415 |
|
| 416 |
if ( version_compare( $current_version, '1.7', 'lt' ) ) { |
| 417 |
$this->upgrade_to_1_7(); |
| 418 |
} |
| 419 |
|
| 420 |
if ( version_compare( $current_version, '1.7.4', 'lt' ) ) { |
| 421 |
$this->upgrade_to_1_7_4(); |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
/** |
| 426 |
* Do plugins loaded stuff |
| 427 |
*/ |
| 428 |
public function plugins_loaded() { |
| 429 |
load_plugin_textdomain( 'm-chart', false, plugin_basename( dirname( __FILE__ ) ) . '/languages/' ); |
| 430 |
} |
| 431 |
|
| 432 |
/** |
| 433 |
* WP VIP's CDN was breaking the chart library's ability to handle embedded SVGs so this should circumvent that |
| 434 |
* If you wanted to say, watermark your charts, SVGs suddenly become very important |
| 435 |
* |
| 436 |
* @param string $path option additional path to be used (e.g. components) |
| 437 |
* |
| 438 |
* @return string URL to the plugin directory with path if parameter was passed |
| 439 |
*/ |
| 440 |
public function plugin_url( $path = '' ) { |
| 441 |
if ( is_admin() ) { |
| 442 |
$url_base = parse_url( admin_url() ); |
| 443 |
} else { |
| 444 |
$url_base = parse_url( home_url() ); |
| 445 |
} |
| 446 |
|
| 447 |
$url_path = parse_url( plugins_url( $path, __DIR__ ) ); |
| 448 |
|
| 449 |
// Check for a port value if one exists we make sure it's honored |
| 450 |
$port = ''; |
| 451 |
|
| 452 |
if ( isset( $url_base['port'] ) && 80 != $url_base['port'] ) { |
| 453 |
$port = ':' . $url_base['port']; |
| 454 |
} |
| 455 |
|
| 456 |
$scheme = $url_base['scheme'] ?? 'https'; |
| 457 |
$host = $url_base['host'] ?? ''; |
| 458 |
$path = $url_path['path'] ?? ''; |
| 459 |
$query = $url_path['query'] ?? ''; |
| 460 |
|
| 461 |
return $scheme . '://' . $host . $port . preg_replace( '#/$#', '', $path ) . ( '' === $query ? '' : '?' . $query ); |
| 462 |
} |
| 463 |
|
| 464 |
/** |
| 465 |
* Get chart post meta |
| 466 |
* |
| 467 |
* @param int $post_id WP post ID of the post you want post meta from |
| 468 |
* @param string $field optional field to be returend instead of all post meta |
| 469 |
* |
| 470 |
* @return array $post_meta the meta for a give post ID |
| 471 |
*/ |
| 472 |
public function get_post_meta( $post_id, $field = false ) { |
| 473 |
$raw_post_meta = get_post_meta( $post_id, $this->slug, true ); |
| 474 |
|
| 475 |
$post_meta = $raw_post_meta; |
| 476 |
|
| 477 |
$defaults = $this->chart_meta_fields; |
| 478 |
|
| 479 |
// Make sure the correct library is set in the default chart meta fields |
| 480 |
if ( ! $post_meta ) { |
| 481 |
// get_current_screen() is only defined in admin context |
| 482 |
// This guards the call so REST and front-end contexts don't fatal |
| 483 |
$current_screen = is_admin() && function_exists( 'get_current_screen' ) |
| 484 |
? get_current_screen() |
| 485 |
: null; |
| 486 |
|
| 487 |
// If we're we're adding a new chart and a library is specified in the get vars we use it |
| 488 |
if ( |
| 489 |
is_admin() |
| 490 |
&& null != $current_screen |
| 491 |
&& 'post' == $current_screen->base |
| 492 |
&& 'add' == $current_screen->action |
| 493 |
&& isset( $_GET['library'] ) |
| 494 |
&& $this->is_valid_library( $_GET['library'] ) |
| 495 |
) { |
| 496 |
$defaults['library'] = $_GET['library']; |
| 497 |
} else { |
| 498 |
$defaults['library'] = $this->get_library(); |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
// Default chart height comes from the plugin settings so new charts honor the site default |
| 503 |
// Saved charts already have a height so wp_parse_args leaves theirs alone |
| 504 |
$defaults['height'] = (int) $this->get_settings( 'default_height' ); |
| 505 |
|
| 506 |
$post_meta = wp_parse_args( $post_meta, $defaults ); |
| 507 |
|
| 508 |
// Theme default is based off of an option so we'll handle that here |
| 509 |
if ( ! isset( $post_meta['theme'] ) ) { |
| 510 |
$settings = $this->get_settings(); |
| 511 |
$post_meta['theme'] = $settings['default_theme']; |
| 512 |
} |
| 513 |
|
| 514 |
// If there's no subtitle set we'll set an empty one |
| 515 |
if ( ! isset( $post_meta['subtitle'] ) ) { |
| 516 |
$post_meta['subtitle'] = ''; |
| 517 |
} |
| 518 |
|
| 519 |
// If there's no y min value set we'll set it to 0 |
| 520 |
if ( ! isset( $post_meta['y_min_value'] ) ) { |
| 521 |
$post_meta['y_min_value'] = 0; |
| 522 |
} |
| 523 |
|
| 524 |
// If the data has the old legacy format we need to update it |
| 525 |
if ( isset( $post_meta['data'] ) && ! isset( $post_meta['data']['sets'] ) ) { |
| 526 |
$data = $post_meta['data']; |
| 527 |
$post_meta['data'] = []; |
| 528 |
$post_meta['data']['sets'][] = $data; |
| 529 |
} |
| 530 |
|
| 531 |
// If there's no set_names value set we'll set it to an empty array |
| 532 |
if ( ! isset( $post_meta['set_names'] ) ) { |
| 533 |
$post_meta['set_names'] = []; |
| 534 |
} |
| 535 |
|
| 536 |
$post_meta = apply_filters( 'm_chart_get_post_meta', $post_meta, $raw_post_meta, $post_id ); |
| 537 |
|
| 538 |
if ( $field && isset( $post_meta[ $field ] ) ) { |
| 539 |
return $post_meta[ $field ]; |
| 540 |
} elseif ( $field ) { |
| 541 |
return null; |
| 542 |
} |
| 543 |
|
| 544 |
return $post_meta; |
| 545 |
} |
| 546 |
|
| 547 |
/** |
| 548 |
* Update the post meta and set unit terms if appropriate |
| 549 |
* |
| 550 |
* @param int $post_id WP post ID of the post you want to attach post meta to |
| 551 |
* @param array $meta an array of the post meta you want to attach to the post |
| 552 |
*/ |
| 553 |
public function update_post_meta( $post_id, $meta ) { |
| 554 |
// Make sure the meta is formatted correctly and validated |
| 555 |
$parsed_meta = $this->validate_post_meta( $meta ); |
| 556 |
|
| 557 |
// Set unit terms |
| 558 |
$terms = []; |
| 559 |
|
| 560 |
if ( '' != $parsed_meta['y_units'] ) { |
| 561 |
$terms[] = $parsed_meta['y_units']; |
| 562 |
} |
| 563 |
|
| 564 |
if ( '' != $parsed_meta['x_units'] ) { |
| 565 |
$terms[] = $parsed_meta['x_units']; |
| 566 |
} |
| 567 |
|
| 568 |
wp_set_object_terms( $post_id, $terms, $this->slug . '-units' ); |
| 569 |
|
| 570 |
// Set library as a post_tag |
| 571 |
wp_set_object_terms( $post_id, $parsed_meta['library'], $this->slug . '-library' ); |
| 572 |
|
| 573 |
// Save meta to the post |
| 574 |
update_post_meta( $post_id, $this->slug, $parsed_meta ); |
| 575 |
do_action( 'm_chart_update_post_meta', $post_id, $parsed_meta, $meta ); |
| 576 |
} |
| 577 |
|
| 578 |
/** |
| 579 |
* Parses a $meta array and returns a cleaned and validated array |
| 580 |
* |
| 581 |
* @param array $meta an array of the post meta you want to attach to the post |
| 582 |
* |
| 583 |
* @return array of cleaned/validated post meta |
| 584 |
*/ |
| 585 |
public function validate_post_meta( $meta ) { |
| 586 |
// Need to set checkboxes before checking or they can't be deselected |
| 587 |
$chart_meta['labels'] = false; |
| 588 |
$chart_meta['y_min'] = false; |
| 589 |
$chart_meta['legend'] = false; |
| 590 |
$chart_meta['data_point_colors'] = false; |
| 591 |
$chart_meta['mean_point'] = false; |
| 592 |
$chart_meta['sample_points'] = false; |
| 593 |
$chart_meta['constrain_y_axis'] = false; |
| 594 |
$chart_meta['include_source'] = false; |
| 595 |
|
| 596 |
// Filter values so we know the data is clean |
| 597 |
foreach ( $this->chart_meta_fields as $field => $default ) { |
| 598 |
if ( isset( $meta[ $field ] ) ) { |
| 599 |
if ( 'source_url' == $field && '' != $meta[ $field ] ) { |
| 600 |
$chart_meta[ $field ] = esc_url_raw( $meta[ $field ] ); |
| 601 |
} elseif ( 'data' == $field ) { |
| 602 |
$chart_meta[ $field ]['sets'] = $meta[ $field ]; |
| 603 |
} elseif ( 'set_names' == $field ) { |
| 604 |
$chart_meta[ $field ] = array_values( $meta[ $field ] ); |
| 605 |
} elseif ( in_array( $field, [ 'labels', 'y_min', 'legend', 'data_point_colors', 'mean_point', 'sample_points', 'constrain_y_axis', 'include_source' ] ) ) { |
| 606 |
$chart_meta[ $field ] = (bool) $meta[ $field ]; |
| 607 |
} elseif ( 'height' == $field ) { |
| 608 |
$chart_meta[ $field ] = absint( $meta[ $field ] ); |
| 609 |
|
| 610 |
if ( $chart_meta[ $field ] > 1500 ) { |
| 611 |
$chart_meta[ $field ] = 1500; |
| 612 |
} elseif ( $chart_meta[ $field ] < 300 ) { |
| 613 |
$chart_meta[ $field ] = 300; |
| 614 |
} |
| 615 |
} elseif ( 'y_min_value' == $field ) { |
| 616 |
$chart_meta[ $field ] = floatval( $meta[ $field ] ); |
| 617 |
} else { |
| 618 |
$chart_meta[ $field ] = wp_filter_nohtml_kses( $meta[ $field ] ); |
| 619 |
} |
| 620 |
} elseif ( ! isset( $chart_meta[ $field ] ) ) { |
| 621 |
// Fall back on the default value if there wasn't one in the given meta |
| 622 |
// Height honors the default_height setting so the save path agrees with get_post_meta() |
| 623 |
if ( 'height' === $field ) { |
| 624 |
$chart_meta[ $field ] = (int) $this->get_settings( 'default_height' ); |
| 625 |
} else { |
| 626 |
$chart_meta[ $field ] = $default; |
| 627 |
} |
| 628 |
} |
| 629 |
} |
| 630 |
|
| 631 |
// The theme meta it isn't included in the chart_meta_fields class var so we handle it here |
| 632 |
if ( isset( $meta['theme'] ) && preg_match( '#^[a-zA-Z0-9-_]+$#', $meta['theme'] ) ) { |
| 633 |
$chart_meta['theme'] = $meta['theme']; |
| 634 |
} |
| 635 |
|
| 636 |
// If the data value is not an array we asume it is JSON encoded (i.e. from Jspreadsheet CE) |
| 637 |
if ( ! is_array( $chart_meta['data']['sets'] ) && '' != $chart_meta['data']['sets'] ) { |
| 638 |
$decoded = json_decode( stripslashes( $chart_meta['data']['sets'] ) ); |
| 639 |
$chart_meta['data']['sets'] = is_array( $decoded ) ? $decoded : []; |
| 640 |
} |
| 641 |
|
| 642 |
// Validate the data array |
| 643 |
foreach ( $chart_meta['data']['sets'] as $key => $data ) { |
| 644 |
$chart_meta['data'][ $key ] = $this->validate_data( $data ); |
| 645 |
} |
| 646 |
|
| 647 |
// Allow plugins to validate their own custom meta |
| 648 |
$chart_meta = apply_filters( 'm_chart_validate_post_meta', $chart_meta, $meta ); |
| 649 |
|
| 650 |
return $chart_meta; |
| 651 |
} |
| 652 |
|
| 653 |
/** |
| 654 |
* Runs all of the raw data array values through wp_filter_nohtml_kses |
| 655 |
* |
| 656 |
* @param array $data an array of data as passed by the user |
| 657 |
* |
| 658 |
* @return array of validated data |
| 659 |
*/ |
| 660 |
function validate_data( $data ) { |
| 661 |
if ( ! is_array( $data ) ) { |
| 662 |
return wp_filter_nohtml_kses( $data ); |
| 663 |
} |
| 664 |
|
| 665 |
foreach ( $data as $key => $value ) { |
| 666 |
if ( is_array( $value ) ) { |
| 667 |
$data[ $key ] = $this->validate_data( $value ); |
| 668 |
} else { |
| 669 |
$value = $value ?? ''; |
| 670 |
$data[ $key ] = wp_filter_nohtml_kses( $value ); |
| 671 |
} |
| 672 |
} |
| 673 |
|
| 674 |
return $data; |
| 675 |
} |
| 676 |
|
| 677 |
|
| 678 |
/** |
| 679 |
* Hook to save_post action and save chart related post meta |
| 680 |
* |
| 681 |
* @param int $post_id WP post ID of the post |
| 682 |
*/ |
| 683 |
public function save_post( $post_id ) { |
| 684 |
// We do this in the main class because otherwise it won't get hooked soon enough |
| 685 |
$this->admin()->save_post( $post_id ); |
| 686 |
} |
| 687 |
|
| 688 |
/** |
| 689 |
* Returns a chart |
| 690 |
* |
| 691 |
* @param int $post_id WP post ID of the chart you want |
| 692 |
* @param array $args an array of args |
| 693 |
* |
| 694 |
* @return string HTML and Javascript needed to display a chart (or if appropriate an HTML image tag) |
| 695 |
*/ |
| 696 |
public function get_chart( $post_id = null, $args = [] ) { |
| 697 |
if ( ! $post_id ) { |
| 698 |
$post_id = get_the_ID(); |
| 699 |
} |
| 700 |
|
| 701 |
do_action( 'm_chart_get_chart_start', $post_id, $args ); |
| 702 |
|
| 703 |
// Normalize historic usage of 'img' argument |
| 704 |
if ( isset( $args['img'] ) && 'yes' == $args['img'] ) { |
| 705 |
$args['show'] = 'image'; |
| 706 |
unset( $args['img'] ); |
| 707 |
} |
| 708 |
|
| 709 |
$args = wp_parse_args( $args, $this->get_chart_default_args ); |
| 710 |
|
| 711 |
$library = $this->get_post_meta( $post_id, 'library' ); |
| 712 |
|
| 713 |
// If it's not a valid library we don't proceed |
| 714 |
if ( ! $this->is_valid_library( $library ) ) { |
| 715 |
return; |
| 716 |
} |
| 717 |
|
| 718 |
// Make sure we isntantiate the library so any library specific filters/setup get run |
| 719 |
$this->library( $library ); |
| 720 |
|
| 721 |
// If they want the table of data we'll return that |
| 722 |
if ( 'table' == $args['show'] ) { |
| 723 |
return $this->build_table( $post_id ); |
| 724 |
} |
| 725 |
|
| 726 |
// If they want the image version or the request is happening from a feed we return the image tag |
| 727 |
if ( |
| 728 |
'image' == $args['show'] |
| 729 |
|| is_feed() |
| 730 |
|| $this->is_amp_endpoint() |
| 731 |
|| apply_filters( 'm_chart_show_image', false, $post_id, $args ) |
| 732 |
) { |
| 733 |
$image = $this->get_chart_image( $post_id ); |
| 734 |
|
| 735 |
// Default behavior is to return the full size image but with the width/height values halved |
| 736 |
// This should result in an image that looks nice on retina or better screens |
| 737 |
$image['width'] = $image['width'] / 2; |
| 738 |
$image['height'] = $image['height'] / 2; |
| 739 |
|
| 740 |
$image = apply_filters( 'm_chart_get_chart_image_tag', $image, $post_id, $args ); |
| 741 |
|
| 742 |
$classes = $this->slug . ' ' . $this->slug . '-' . $post_id; |
| 743 |
|
| 744 |
if ( $this->is_amp_endpoint() ) { |
| 745 |
ob_start(); |
| 746 |
?> |
| 747 |
<figure class="m-chart-image-figure"> |
| 748 |
<amp-img src="<?php echo esc_url( $image['url'] ); ?>" |
| 749 |
width="<?php echo absint( $image['width'] ); ?>" height="<?php echo absint( $image['height'] ); ?>" |
| 750 |
alt="<?php echo esc_attr( get_the_title( $post_id ) ); ?>" |
| 751 |
class="<?php echo esc_attr( $classes ); ?>"></amp-img> |
| 752 |
<?php if ( has_action( 'm_chart_screen_reader_text' ) ) : ?> |
| 753 |
<?php wp_enqueue_style( 'm-chart-frontend', $this->plugin_url . '/components/css/m-chart-frontend.css', [], $this->version ); ?> |
| 754 |
<div class="screen-reader-text"> |
| 755 |
<?php do_action( 'm_chart_screen_reader_text', $post_id, $args ); ?> |
| 756 |
</div> |
| 757 |
<?php endif; ?> |
| 758 |
</figure> |
| 759 |
<?php |
| 760 |
return ob_get_clean(); |
| 761 |
} else { |
| 762 |
ob_start(); |
| 763 |
?> |
| 764 |
<figure class="m-chart-image-figure"> |
| 765 |
<img src="<?php echo esc_url( $image['url'] ); ?>" |
| 766 |
width="<?php echo absint( $image['width'] ); ?>" height="<?php echo absint( $image['height'] ); ?>" |
| 767 |
alt="<?php echo esc_attr( get_the_title( $post_id ) ); ?>" |
| 768 |
class="<?php echo esc_attr( $classes ); ?>" /> |
| 769 |
<?php if ( has_action( 'm_chart_screen_reader_text' ) ) : ?> |
| 770 |
<?php wp_enqueue_style( 'm-chart-frontend', $this->plugin_url . '/components/css/m-chart-frontend.css', [], $this->version ); ?> |
| 771 |
<div class="screen-reader-text"> |
| 772 |
<?php do_action( 'm_chart_screen_reader_text', $post_id, $args ); ?> |
| 773 |
</div> |
| 774 |
<?php endif; ?> |
| 775 |
</figure> |
| 776 |
<?php |
| 777 |
return ob_get_clean(); |
| 778 |
} |
| 779 |
} |
| 780 |
|
| 781 |
$settings = $this->get_settings(); |
| 782 |
|
| 783 |
if ( |
| 784 |
! is_admin() |
| 785 |
&& 'enabled' == $settings['embeds'] |
| 786 |
&& ! $this->is_iframe |
| 787 |
) { |
| 788 |
return $this->get_chart_iframe( $post_id, $args ); |
| 789 |
} |
| 790 |
|
| 791 |
// If we haven't enqueued the right library yet lets do it |
| 792 |
if ( ! wp_script_is( $library, 'enqueued' ) ) { |
| 793 |
wp_enqueue_script( $library ); |
| 794 |
wp_enqueue_script( 'chartjs-helper' ); |
| 795 |
} |
| 796 |
|
| 797 |
// Ship the visually hidden rule the screen reader data table relies on |
| 798 |
// so it never depends on the active theme defining .screen-reader-text |
| 799 |
wp_enqueue_style( 'm-chart-frontend', $this->plugin_url . '/components/css/m-chart-frontend.css', [], $this->version ); |
| 800 |
|
| 801 |
$template = __DIR__ . '/templates/' . $library . '-chart.php'; |
| 802 |
|
| 803 |
ob_start(); |
| 804 |
do_action( 'm_chart_get_chart_begin', $post_id, $args ); |
| 805 |
require apply_filters( 'm_chart_chart_template', $template, $library, $post_id ); |
| 806 |
do_action( 'm_chart_get_chart_end', $post_id, $args ); |
| 807 |
$this->instance++; |
| 808 |
return ob_get_clean(); |
| 809 |
} |
| 810 |
|
| 811 |
/** |
| 812 |
* Returns a charts data as an HTML table |
| 813 |
* |
| 814 |
* @param int $post_id WP post ID of the chart you want |
| 815 |
* |
| 816 |
* @return string HTML table |
| 817 |
*/ |
| 818 |
public function build_table( $post_id ) { |
| 819 |
$post = get_post( $post_id ); |
| 820 |
$post_meta = $this->get_post_meta( $post_id ); |
| 821 |
$library = m_chart()->get_post_meta( $post->ID, 'library' ); |
| 822 |
|
| 823 |
$table = ''; |
| 824 |
|
| 825 |
$multiple = count( $post_meta['data']['sets'] ) > 1 ? true : false; |
| 826 |
|
| 827 |
foreach ( $post_meta['data']['sets'] as $set => $data ) { |
| 828 |
$classes = $this->slug . '-table ' . $this->slug . '-table-' . $post_id . '-' . $set; |
| 829 |
|
| 830 |
m_chart()->parse()->parse_data( $data, $post_meta['parse_in'] ); |
| 831 |
|
| 832 |
$template = __DIR__ . '/templates/table.php'; |
| 833 |
|
| 834 |
ob_start(); |
| 835 |
require apply_filters( 'm_chart_table_template', $template, $library, $post->ID ); |
| 836 |
$table .= ob_get_clean(); |
| 837 |
} |
| 838 |
|
| 839 |
return $table; |
| 840 |
} |
| 841 |
|
| 842 |
/** |
| 843 |
* Return an array of image values for a chart |
| 844 |
* |
| 845 |
* @param int $post_id WP post ID of the chart you want an image for |
| 846 |
* |
| 847 |
* @return array an array of image values url, width, height, etc... |
| 848 |
*/ |
| 849 |
public function get_chart_image( $post_id ) { |
| 850 |
$settings = $this->get_settings(); |
| 851 |
|
| 852 |
// If we aren't generating images we'll return false |
| 853 |
if ( 'default' != $settings['performance'] ) { |
| 854 |
return false; |
| 855 |
} |
| 856 |
|
| 857 |
if ( ! $thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true ) ) { |
| 858 |
return false; |
| 859 |
} |
| 860 |
|
| 861 |
if ( ! $thumbnail = wp_get_attachment_image_src( $thumbnail_id, 'full' ) ) { |
| 862 |
return false; |
| 863 |
} |
| 864 |
|
| 865 |
return [ |
| 866 |
'url' => $thumbnail[0], |
| 867 |
'file' => basename( $thumbnail[0] ), |
| 868 |
'width' => $thumbnail[1], |
| 869 |
'height' => $thumbnail[2], |
| 870 |
'name' => get_the_title( $thumbnail_id ), |
| 871 |
]; |
| 872 |
} |
| 873 |
|
| 874 |
/** |
| 875 |
* Filter the m_chart_get_chart_image_tag hook and return a plaecholder if appropriate |
| 876 |
* |
| 877 |
* @param array|bool an array of image values or false if no image could be found |
| 878 |
* @param int $post_id WP post ID of the chart you want an image for |
| 879 |
* |
| 880 |
* @return array an array of image values url, width, height, etc... |
| 881 |
*/ |
| 882 |
public function m_chart_get_chart_image_tag( $img, $post_id ) { |
| 883 |
if ( $img ) { |
| 884 |
return $img; |
| 885 |
} |
| 886 |
|
| 887 |
$url = $this->plugin_url . '/components/images/chart-placeholder.png'; |
| 888 |
|
| 889 |
return [ |
| 890 |
'url' => $url, |
| 891 |
'file' => basename( $url ), |
| 892 |
'width' => 640, |
| 893 |
'height' => 480, |
| 894 |
'name' => get_the_title( $post_id ), |
| 895 |
]; |
| 896 |
} |
| 897 |
|
| 898 |
/** |
| 899 |
* Filter the the_content hook and return chart code if this is a chart |
| 900 |
* |
| 901 |
* @param string $content content from the current post |
| 902 |
* |
| 903 |
* @return string original content or chart code |
| 904 |
*/ |
| 905 |
public function the_content( $content ) { |
| 906 |
// Make sure we're dealing with a chart |
| 907 |
if ( get_post_type() != $this->slug ) { |
| 908 |
// We aren't dealing with a chart so we'll just stop here |
| 909 |
return $content; |
| 910 |
} |
| 911 |
|
| 912 |
// Call the get_chart method and let it do it's thing |
| 913 |
return $this->get_chart(); |
| 914 |
} |
| 915 |
|
| 916 |
/** |
| 917 |
* Hook to the m_chart_image_support filter and indicate that Chart.js supports images |
| 918 |
* |
| 919 |
* @param string $supports_images yes/no whether the library supports image generation |
| 920 |
* @param string $library the library in question |
| 921 |
* |
| 922 |
* @return string yes/no whether the library supports images |
| 923 |
*/ |
| 924 |
public function m_chart_image_support( $supports_images, $library ) { |
| 925 |
if ( $library != $this->chart_meta_fields['library'] ) { |
| 926 |
return $supports_images; |
| 927 |
} |
| 928 |
|
| 929 |
return 'yes'; |
| 930 |
} |
| 931 |
|
| 932 |
/** |
| 933 |
* Hook to the m_chart_instant_preview_support filter and indicate that Chart.js supports instant previews |
| 934 |
* |
| 935 |
* @param string $supports_images yes/no whether the library supports instant previews |
| 936 |
* @param string $library the library in question |
| 937 |
* |
| 938 |
* @return string yes/no whether the library supports instant previews |
| 939 |
*/ |
| 940 |
public function m_chart_instant_preview_support( $supports_instant_preview, $library ) { |
| 941 |
if ( $library != $this->chart_meta_fields['library'] ) { |
| 942 |
return $supports_instant_preview; |
| 943 |
} |
| 944 |
|
| 945 |
return 'yes'; |
| 946 |
} |
| 947 |
|
| 948 |
/** |
| 949 |
* Hook to the m_chart_library_class filter and return the library class if appropriate |
| 950 |
* |
| 951 |
* @param string $library_class the library class |
| 952 |
* @param string $library the library in question |
| 953 |
* |
| 954 |
* @return class the library class for this library |
| 955 |
*/ |
| 956 |
public function m_chart_library_class( $library_class, $library ) { |
| 957 |
// If Chart.js wasn't requested we'll stop here () |
| 958 |
if ( $library != $this->chart_meta_fields['library'] ) { |
| 959 |
return $library_class; |
| 960 |
} |
| 961 |
|
| 962 |
if ( ! $this->library_class instanceof M_Chart_Chartjs ) { |
| 963 |
require_once __DIR__ . '/class-m-chart-chartjs.php'; |
| 964 |
$this->library_class = new M_Chart_Chartjs(); |
| 965 |
} |
| 966 |
|
| 967 |
return $this->library_class; |
| 968 |
} |
| 969 |
|
| 970 |
/** |
| 971 |
* Return an iframe for a given chart |
| 972 |
* |
| 973 |
* @param int $post_id WP post ID of the chart you want |
| 974 |
* @param array $args an array of args |
| 975 |
* |
| 976 |
* @return string HTML needed to display a chart via an iframe |
| 977 |
*/ |
| 978 |
public function get_chart_iframe( $post_id, $args = [] ) { |
| 979 |
$post_meta = $this->get_post_meta( $post_id ); |
| 980 |
|
| 981 |
$src_url = add_query_arg( $args, get_permalink( $post_id ) . 'embed/' ); |
| 982 |
|
| 983 |
$defer_lazy = 'enabled' === $this->get_settings( 'defer_rendering' ); |
| 984 |
|
| 985 |
ob_start(); |
| 986 |
?> |
| 987 |
<iframe id="m-chart-container-<?php echo absint( $post_id ); ?>-<?php echo absint( $this->instance ); ?>" |
| 988 |
class="m-chart-iframe" width="100%" height="<?php echo absint( $post_meta['height'] + 1 ); ?>" |
| 989 |
title="<?php echo esc_attr( get_the_title( $post_id ) ); ?>" |
| 990 |
src="<?php echo esc_url( $src_url ); ?>"<?php echo $defer_lazy ? ' loading="lazy"' : ''; ?>></iframe> |
| 991 |
<?php |
| 992 |
if ( 'show' == $args['share'] ) { |
| 993 |
unset( $args['share'] ); |
| 994 |
require apply_filters( 'm_chart_share_template', __DIR__ . '/templates/share.php' ); |
| 995 |
} |
| 996 |
$this->instance++; |
| 997 |
return ob_get_clean(); |
| 998 |
} |
| 999 |
|
| 1000 |
/** |
| 1001 |
* Return a chart via the [m-chart id="x"] short code |
| 1002 |
* |
| 1003 |
* Also registered under the legacy [chart] name for backwards compatibility |
| 1004 |
* |
| 1005 |
* @param array $args an array of arguments passed by the WP short code API |
| 1006 |
* |
| 1007 |
* @return string the chart requested in Javascript or HTML form |
| 1008 |
*/ |
| 1009 |
public function chart_shortcode( $args ) { |
| 1010 |
$default_args = $this->get_chart_default_args; |
| 1011 |
$default_args['id'] = ''; |
| 1012 |
|
| 1013 |
$args = shortcode_atts( $default_args, $args ); |
| 1014 |
|
| 1015 |
$post_id = $args['id']; |
| 1016 |
unset( $args['id'] ); |
| 1017 |
|
| 1018 |
// Did we get what looks like a chart ID? |
| 1019 |
if ( ! is_numeric( $post_id ) ) { |
| 1020 |
return; |
| 1021 |
} |
| 1022 |
|
| 1023 |
// Make sure the chart actually exists and that it's a chart so we don't fatal later |
| 1024 |
if ( $this->slug != get_post_type( $post_id ) ) { |
| 1025 |
return; |
| 1026 |
} |
| 1027 |
|
| 1028 |
// Is it published? |
| 1029 |
if ( 'publish' != get_post_status( $post_id ) ) { |
| 1030 |
return; |
| 1031 |
} |
| 1032 |
|
| 1033 |
return $this->get_chart( $post_id, $args ); |
| 1034 |
} |
| 1035 |
|
| 1036 |
/** |
| 1037 |
* Helper function that prevents issues with stripslashes and unicode characters |
| 1038 |
* stripslashes will strip off the slash before unicode characters which is sucky, this prevents that |
| 1039 |
* |
| 1040 |
* @param string $string a string that may have unicode characters as well as unecessary escaping |
| 1041 |
* |
| 1042 |
* @return string a string with any unecessary escaping removed |
| 1043 |
*/ |
| 1044 |
public function unicode_aware_stripslashes( $string ) { |
| 1045 |
return stripslashes( preg_replace( '#\\\u[a-fA-F0-9]{4}#', '\\\\$0', $string ) ); |
| 1046 |
} |
| 1047 |
|
| 1048 |
/** |
| 1049 |
* Helper function that returns the chart unit terms |
| 1050 |
* |
| 1051 |
* @return array an array of generated and/or compiled unit terms |
| 1052 |
*/ |
| 1053 |
public function get_unit_terms() { |
| 1054 |
$terms = get_terms( $this->slug . '-units', [ 'hide_empty' => false ] ); |
| 1055 |
|
| 1056 |
if ( empty( $terms ) ) { |
| 1057 |
$terms = $this->generate_unit_terms(); |
| 1058 |
} |
| 1059 |
|
| 1060 |
return $this->compile_unit_terms( $terms ); |
| 1061 |
} |
| 1062 |
|
| 1063 |
/** |
| 1064 |
* Helper function that compiles the chart unit terms for use |
| 1065 |
* |
| 1066 |
* @param array an array of unit terms |
| 1067 |
* |
| 1068 |
* @return array an array of compiled unit terms |
| 1069 |
*/ |
| 1070 |
public function compile_unit_terms( $terms ) { |
| 1071 |
$compiled_terms = []; |
| 1072 |
$parents = []; |
| 1073 |
|
| 1074 |
foreach ( $terms as $unit ) { |
| 1075 |
if ( 0 == $unit->parent ) { |
| 1076 |
$parents[ $unit->term_id ] = $unit->name; |
| 1077 |
} |
| 1078 |
} |
| 1079 |
|
| 1080 |
foreach ( $terms as $unit ) { |
| 1081 |
if ( 0 != $unit->parent && isset( $parents[ $unit->parent ] ) ) { |
| 1082 |
$compiled_terms[ $parents[ $unit->parent ] ][] = $unit; |
| 1083 |
} |
| 1084 |
} |
| 1085 |
|
| 1086 |
ksort( $compiled_terms ); |
| 1087 |
|
| 1088 |
return $compiled_terms; |
| 1089 |
} |
| 1090 |
|
| 1091 |
/** |
| 1092 |
* Helper function that populates the unit terms taxonomy with a default set of terms |
| 1093 |
* |
| 1094 |
* @return array an array of the newly generated unit terms |
| 1095 |
*/ |
| 1096 |
public function generate_unit_terms() { |
| 1097 |
// Load the default terms array |
| 1098 |
$default_terms = require __DIR__ . '/array-default-unit-terms.php'; |
| 1099 |
|
| 1100 |
$terms = []; |
| 1101 |
|
| 1102 |
foreach ( $default_terms as $parent_term => $child_terms ) { |
| 1103 |
$parent = (object) wp_insert_term( $parent_term, $this->slug . '-units' ); |
| 1104 |
$terms[] = get_term( $parent->term_id, $this->slug . '-units' ); |
| 1105 |
|
| 1106 |
foreach ( $child_terms as $child_term ) { |
| 1107 |
$term = (object) wp_insert_term( $child_term, $this->slug . '-units', [ 'parent' => $parent->term_id ] ); |
| 1108 |
$terms[] = get_term( $term->term_id, $this->slug . '-units' ); |
| 1109 |
} |
| 1110 |
} |
| 1111 |
|
| 1112 |
return $terms; |
| 1113 |
} |
| 1114 |
|
| 1115 |
/** |
| 1116 |
* Looks for the embed endpoint and serves up the requested chart if appropriate |
| 1117 |
*/ |
| 1118 |
public function template_redirect() { |
| 1119 |
global $wp_query; |
| 1120 |
|
| 1121 |
// Make sure this is a chart with the embed endpoint in the URL |
| 1122 |
if ( ! isset( $wp_query->query['post_type'] ) || ! isset( $wp_query->query['embed'] ) || 'm-chart' != $wp_query->query['post_type'] ) { |
| 1123 |
return; |
| 1124 |
} |
| 1125 |
|
| 1126 |
$post = get_post(); |
| 1127 |
|
| 1128 |
if ( ! $post ) { |
| 1129 |
wp_die( |
| 1130 |
esc_html__( 'The chart could not be found', 'm-chart' ), |
| 1131 |
esc_html__( 'Chart not found', 'm-chart' ), |
| 1132 |
[ 'response' => 404 ] |
| 1133 |
); |
| 1134 |
} |
| 1135 |
|
| 1136 |
$settings = $this->get_settings(); |
| 1137 |
|
| 1138 |
if ( 'enabled' != $settings['embeds'] ) { |
| 1139 |
wp_die( |
| 1140 |
esc_html__( 'Embeds of this type are not enabled', 'm-chart' ), |
| 1141 |
esc_html__( 'Embeds disabled', 'm-chart' ), |
| 1142 |
[ 'response' => 403 ] |
| 1143 |
); |
| 1144 |
exit; |
| 1145 |
} |
| 1146 |
|
| 1147 |
$this->is_iframe = true; |
| 1148 |
|
| 1149 |
$scripts = [ |
| 1150 |
'jquery', |
| 1151 |
$this->get_post_meta( $post->ID, 'library' ), |
| 1152 |
]; |
| 1153 |
|
| 1154 |
unset( $_GET['action'], $_GET['share'] ); |
| 1155 |
|
| 1156 |
// This prevents issues when embedding with outside sites |
| 1157 |
header_remove( 'X-Frame-Options' ); |
| 1158 |
|
| 1159 |
status_header( 200 ); |
| 1160 |
|
| 1161 |
require __DIR__ . '/templates/iframe.php'; |
| 1162 |
exit; |
| 1163 |
} |
| 1164 |
|
| 1165 |
/** |
| 1166 |
* Hook to the m_chart_update_post_meta action and call the required library specific function |
| 1167 |
* |
| 1168 |
* @param int $post_id WP post ID of the post you want chart args for |
| 1169 |
* @param array $parsed_meta the parsed chart meta passed by the action hook |
| 1170 |
*/ |
| 1171 |
public function m_chart_update_post_meta( $post_id, $parsed_meta ) { |
| 1172 |
$this->library( $parsed_meta['library'] )->m_chart_update_post_meta( $post_id, $parsed_meta ); |
| 1173 |
} |
| 1174 |
|
| 1175 |
/** |
| 1176 |
* If the passed library is valid return TRUE otherwise FALSE |
| 1177 |
* |
| 1178 |
* @param string library string (i.e. 'highcharts') |
| 1179 |
* |
| 1180 |
* @return bool |
| 1181 |
*/ |
| 1182 |
public function is_valid_library( $library ) { |
| 1183 |
$libraries = $this->get_libraries(); |
| 1184 |
|
| 1185 |
if ( ! isset( $libraries[ $library ] ) ) { |
| 1186 |
return false; |
| 1187 |
} |
| 1188 |
|
| 1189 |
return true; |
| 1190 |
} |
| 1191 |
|
| 1192 |
/** |
| 1193 |
* If current page is an AMP page returns true |
| 1194 |
* |
| 1195 |
* @return bool |
| 1196 |
*/ |
| 1197 |
public function is_amp_endpoint() { |
| 1198 |
if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) { |
| 1199 |
return true; |
| 1200 |
} |
| 1201 |
|
| 1202 |
return false; |
| 1203 |
} |
| 1204 |
|
| 1205 |
/** |
| 1206 |
* Return the M Chart settings |
| 1207 |
* |
| 1208 |
* @return array current settings |
| 1209 |
*/ |
| 1210 |
public function get_settings( $setting = false ) { |
| 1211 |
// Memoize the resolved settings, get_post_meta() calls this on every invocation |
| 1212 |
// and the option + filter pipeline doesn't need to re-run within a request |
| 1213 |
// Invalidated via reset_settings() when the settings are saved |
| 1214 |
if ( isset( $this->resolved_settings ) ) { |
| 1215 |
$settings = $this->resolved_settings; |
| 1216 |
} else { |
| 1217 |
// Allow third party libraries to modify the default settings |
| 1218 |
$default_settings = apply_filters( 'm_chart_default_settings', $this->settings ); |
| 1219 |
|
| 1220 |
$settings = (array) get_option( $this->slug, $default_settings ); |
| 1221 |
$settings = wp_parse_args( $settings, $default_settings ); |
| 1222 |
|
| 1223 |
// Make sure the set library is still valid |
| 1224 |
if ( ! $this->is_valid_library( $settings['library'] ) ) { |
| 1225 |
$settings['library'] = 'chartjs'; |
| 1226 |
} |
| 1227 |
|
| 1228 |
$settings = apply_filters( 'm_chart_get_settings', $settings ); |
| 1229 |
|
| 1230 |
$this->resolved_settings = $settings; |
| 1231 |
} |
| 1232 |
|
| 1233 |
if ( $setting && isset( $settings[ $setting ] ) ) { |
| 1234 |
return $settings[ $setting ]; |
| 1235 |
} elseif ( $setting ) { |
| 1236 |
return null; |
| 1237 |
} |
| 1238 |
|
| 1239 |
return $settings; |
| 1240 |
} |
| 1241 |
|
| 1242 |
/** |
| 1243 |
* Drop the memoized settings so the next get_settings() call re-resolves them |
| 1244 |
* |
| 1245 |
* Called after the settings option is updated |
| 1246 |
*/ |
| 1247 |
public function reset_settings() { |
| 1248 |
$this->resolved_settings = null; |
| 1249 |
} |
| 1250 |
|
| 1251 |
/** |
| 1252 |
* Return an array of available charting libraries |
| 1253 |
* |
| 1254 |
* @return array current settings |
| 1255 |
*/ |
| 1256 |
public function get_libraries() { |
| 1257 |
return apply_filters( 'm_chart_get_libraries', $this->libraries ); |
| 1258 |
} |
| 1259 |
|
| 1260 |
/** |
| 1261 |
* Return the chart types that support multiple data sets (multi-sheet tab bar) |
| 1262 |
* |
| 1263 |
* This is the single authoritative source for this list |
| 1264 |
* The value is passed to window.m_chart_admin.multi_sheet_types so the React UI always stays in sync with PHP |
| 1265 |
* Filtered via 'm_chart_multi_sheet_types' so library plugins can add or remove types |
| 1266 |
* |
| 1267 |
* @return array |
| 1268 |
*/ |
| 1269 |
public function get_multi_sheet_types() { |
| 1270 |
return apply_filters( 'm_chart_multi_sheet_types', [ |
| 1271 |
'scatter', |
| 1272 |
'bubble', |
| 1273 |
'radar', |
| 1274 |
'radar-area', |
| 1275 |
'boxplot', |
| 1276 |
'violin', |
| 1277 |
] ); |
| 1278 |
} |
| 1279 |
|
| 1280 |
/** |
| 1281 |
* Return the current library |
| 1282 |
* |
| 1283 |
* @return string current library |
| 1284 |
*/ |
| 1285 |
public function get_library() { |
| 1286 |
if ( isset( $_GET['library'] ) && $this->is_valid_library( $_GET['library'] ) ) { |
| 1287 |
return $_GET['library']; |
| 1288 |
} |
| 1289 |
|
| 1290 |
return $this->get_settings( 'library' ); |
| 1291 |
} |
| 1292 |
|
| 1293 |
/** |
| 1294 |
* Return the locale array |
| 1295 |
* |
| 1296 |
* When PHP's Intl extension is available, labels are generated in each locale's native language using Locale::getDisplayName() |
| 1297 |
* Falls back to the English labels in array-locale-codes.php otherwise |
| 1298 |
* |
| 1299 |
* @return array locales as used by Intl.NumberFormat |
| 1300 |
*/ |
| 1301 |
public function get_locales() { |
| 1302 |
$locales = require __DIR__ . '/array-locale-codes.php'; |
| 1303 |
|
| 1304 |
if ( ! class_exists( 'Locale' ) ) { |
| 1305 |
return $locales; |
| 1306 |
} |
| 1307 |
|
| 1308 |
foreach ( $locales as $code => $english_label ) { |
| 1309 |
$native = Locale::getDisplayName( $code, $code ); |
| 1310 |
|
| 1311 |
if ( $native ) { |
| 1312 |
$locales[ $code ] = esc_html( $native ); |
| 1313 |
} |
| 1314 |
} |
| 1315 |
|
| 1316 |
return $locales; |
| 1317 |
} |
| 1318 |
|
| 1319 |
/** |
| 1320 |
* Return a recursively merged array out of the two given |
| 1321 |
* |
| 1322 |
* @param array a multi dimensional array that will be merged into |
| 1323 |
* @param array a multi dimensional array that will be merged recursively into the first one |
| 1324 |
* |
| 1325 |
* @return array the merged array |
| 1326 |
*/ |
| 1327 |
public function array_merge_recursive( &$a, $b ) { |
| 1328 |
foreach ( $b as $child => $value ) { |
| 1329 |
if ( isset( $a[ $child ] ) ) { |
| 1330 |
// New value exists so we'll need to move a level down |
| 1331 |
if ( is_array( $a[ $child ] ) && is_array( $value ) ) { |
| 1332 |
$this->array_merge_recursive( $a[ $child ], $value ); |
| 1333 |
} else { |
| 1334 |
// New value is not an array so we override the old value with the new one |
| 1335 |
$a[ $child ] = $value; |
| 1336 |
} |
| 1337 |
} else { |
| 1338 |
// New value doesn't exist so we can just add it |
| 1339 |
$a[ $child ] = $value; |
| 1340 |
} |
| 1341 |
} |
| 1342 |
|
| 1343 |
return $a; |
| 1344 |
} |
| 1345 |
|
| 1346 |
/** |
| 1347 |
* Do things needed for version 1.7 |
| 1348 |
*/ |
| 1349 |
public function upgrade_to_1_7() { |
| 1350 |
// Get all charts |
| 1351 |
$charts = get_posts( |
| 1352 |
[ |
| 1353 |
'post_type' => m_chart()->slug, |
| 1354 |
'posts_per_page' => -1, |
| 1355 |
'post_status' => 'any', |
| 1356 |
'tax_query' => [ |
| 1357 |
[ |
| 1358 |
'taxonomy' => 'post_tag', |
| 1359 |
'field' => 'slug', |
| 1360 |
'terms' => 'highcharts', |
| 1361 |
'operator' => 'NOT IN', |
| 1362 |
], |
| 1363 |
], |
| 1364 |
] |
| 1365 |
); |
| 1366 |
|
| 1367 |
// Add highcharts post_tag to all charts |
| 1368 |
foreach ( $charts as $chart ) { |
| 1369 |
wp_set_object_terms( $chart->ID, 'highcharts', 'post_tag' ); |
| 1370 |
} |
| 1371 |
|
| 1372 |
// Update version |
| 1373 |
update_site_option( 'm_chart_version', '1.7' ); |
| 1374 |
} |
| 1375 |
|
| 1376 |
/** |
| 1377 |
* Do things needed for version 1.7.4 |
| 1378 |
*/ |
| 1379 |
public function upgrade_to_1_7_4() { |
| 1380 |
// Get all charts tagged with highcharts |
| 1381 |
$highcharts_charts = get_posts( |
| 1382 |
[ |
| 1383 |
'post_type' => m_chart()->slug, |
| 1384 |
'posts_per_page' => -1, |
| 1385 |
'post_status' => 'any', |
| 1386 |
'tax_query' => [ |
| 1387 |
[ |
| 1388 |
'taxonomy' => 'post_tag', |
| 1389 |
'field' => 'slug', |
| 1390 |
'terms' => 'highcharts', |
| 1391 |
'operator' => 'IN', |
| 1392 |
], |
| 1393 |
], |
| 1394 |
] |
| 1395 |
); |
| 1396 |
|
| 1397 |
foreach ( $highcharts_charts as $chart ) { |
| 1398 |
// Add highcharts as a term to the m-chart-library taxonomy |
| 1399 |
wp_set_object_terms( $chart->ID, 'highcharts', m_chart()->slug . '-library' ); |
| 1400 |
// Remove highcharts as a term from the post_tag taxonomy |
| 1401 |
wp_remove_object_terms( $chart->ID, 'highcharts', 'post_tag' ); |
| 1402 |
} |
| 1403 |
|
| 1404 |
// Get all charts tagged with chartjs |
| 1405 |
$chartjs_charts = get_posts( |
| 1406 |
[ |
| 1407 |
'post_type' => m_chart()->slug, |
| 1408 |
'posts_per_page' => -1, |
| 1409 |
'post_status' => 'any', |
| 1410 |
'tax_query' => [ |
| 1411 |
[ |
| 1412 |
'taxonomy' => 'post_tag', |
| 1413 |
'field' => 'slug', |
| 1414 |
'terms' => 'chartjs', |
| 1415 |
'operator' => 'IN', |
| 1416 |
], |
| 1417 |
], |
| 1418 |
] |
| 1419 |
); |
| 1420 |
|
| 1421 |
foreach ( $chartjs_charts as $chart ) { |
| 1422 |
// Add chartjs as a term to the m-chart-library taxonomy |
| 1423 |
wp_set_object_terms( $chart->ID, 'chartjs', m_chart()->slug . '-library' ); |
| 1424 |
// Remove chartjs as a term from the post_tag taxonomy |
| 1425 |
wp_remove_object_terms( $chart->ID, 'chartjs', 'post_tag' ); |
| 1426 |
} |
| 1427 |
|
| 1428 |
// Update version |
| 1429 |
update_site_option( 'm_chart_version', '1.7.4' ); |
| 1430 |
} |
| 1431 |
} |
| 1432 |
|
| 1433 |
/** |
| 1434 |
* Plugin object accessor |
| 1435 |
*/ |
| 1436 |
function m_chart() { |
| 1437 |
global $m_chart; |
| 1438 |
|
| 1439 |
if ( ! $m_chart instanceof M_Chart ) { |
| 1440 |
$m_chart = new M_Chart(); |
| 1441 |
} |
| 1442 |
|
| 1443 |
return $m_chart; |
| 1444 |
} |
| 1445 |
|
| 1446 |
/** |
| 1447 |
* Freemius SDK accessor |
| 1448 |
* |
| 1449 |
* Thin global wrapper that delegates to the core class so Freemius ecosystem code and conventions keep working |
| 1450 |
* The actual configuration lives in M_Chart::freemius() |
| 1451 |
* |
| 1452 |
* @return Freemius the Freemius SDK instance for M Chart |
| 1453 |
*/ |
| 1454 |
function m_chart_fs() { |
| 1455 |
return m_chart()->freemius(); |
| 1456 |
} |
| 1457 |
|
