| [ Index ] |
PHP Cross Reference of WordPress |
[Summary view] [Print] [Text view]
1 <?php 2 /** 3 * The custom header image script. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * The custom header image class. 11 * 12 * @since 2.1.0 13 */ 14 class Custom_Image_Header { 15 16 /** 17 * Callback for administration header. 18 * 19 * @var callable 20 * @since 2.1.0 21 */ 22 public $admin_header_callback; 23 24 /** 25 * Callback for header div. 26 * 27 * @var callable 28 * @since 3.0.0 29 */ 30 public $admin_image_div_callback; 31 32 /** 33 * Holds default headers. 34 * 35 * @var array 36 * @since 3.0.0 37 */ 38 public $default_headers = array(); 39 40 /** 41 * Used to trigger a success message when settings updated and set to true. 42 * 43 * @since 3.0.0 44 * @var bool 45 */ 46 private $updated; 47 48 /** 49 * Constructor - Register administration header callback. 50 * 51 * @since 2.1.0 52 * @param callable $admin_header_callback 53 * @param callable $admin_image_div_callback Optional custom image div output callback. 54 */ 55 public function __construct( $admin_header_callback, $admin_image_div_callback = '' ) { 56 $this->admin_header_callback = $admin_header_callback; 57 $this->admin_image_div_callback = $admin_image_div_callback; 58 59 add_action( 'admin_menu', array( $this, 'init' ) ); 60 61 add_action( 'customize_save_after', array( $this, 'customize_set_last_used' ) ); 62 add_action( 'wp_ajax_custom-header-crop', array( $this, 'ajax_header_crop' ) ); 63 add_action( 'wp_ajax_custom-header-add', array( $this, 'ajax_header_add' ) ); 64 add_action( 'wp_ajax_custom-header-remove', array( $this, 'ajax_header_remove' ) ); 65 } 66 67 /** 68 * Set up the hooks for the Custom Header admin page. 69 * 70 * @since 2.1.0 71 */ 72 public function init() { 73 $page = add_theme_page( __( 'Header' ), __( 'Header' ), 'edit_theme_options', 'custom-header', array( $this, 'admin_page' ) ); 74 75 if ( ! $page ) { 76 return; 77 } 78 79 add_action( "admin_print_scripts-{$page}", array( $this, 'js_includes' ) ); 80 add_action( "admin_print_styles-{$page}", array( $this, 'css_includes' ) ); 81 add_action( "admin_head-{$page}", array( $this, 'help' ) ); 82 add_action( "admin_head-{$page}", array( $this, 'take_action' ), 50 ); 83 add_action( "admin_head-{$page}", array( $this, 'js' ), 50 ); 84 85 if ( $this->admin_header_callback ) { 86 add_action( "admin_head-{$page}", $this->admin_header_callback, 51 ); 87 } 88 } 89 90 /** 91 * Adds contextual help. 92 * 93 * @since 3.0.0 94 */ 95 public function help() { 96 get_current_screen()->add_help_tab( 97 array( 98 'id' => 'overview', 99 'title' => __( 'Overview' ), 100 'content' => 101 '<p>' . __( 'This screen is used to customize the header section of your theme.' ) . '</p>' . 102 '<p>' . __( 'You can choose from the theme’s default header images, or use one of your own. You can also customize how your Site Title and Tagline are displayed.' ) . '<p>', 103 ) 104 ); 105 106 get_current_screen()->add_help_tab( 107 array( 108 'id' => 'set-header-image', 109 'title' => __( 'Header Image' ), 110 'content' => 111 '<p>' . __( 'You can set a custom image header for your site. Simply upload the image and crop it, and the new header will go live immediately. Alternatively, you can use an image that has already been uploaded to your Media Library by clicking the “Choose Image” button.' ) . '</p>' . 112 '<p>' . __( 'Some themes come with additional header images bundled. If you see multiple images displayed, select the one you would like and click the “Save Changes” button.' ) . '</p>' . 113 '<p>' . __( 'If your theme has more than one default header image, or you have uploaded more than one custom header image, you have the option of having WordPress display a randomly different image on each page of your site. Click the “Random” radio button next to the Uploaded Images or Default Images section to enable this feature.' ) . '</p>' . 114 '<p>' . __( 'If you do not want a header image to be displayed on your site at all, click the “Remove Header Image” button at the bottom of the Header Image section of this page. If you want to re-enable the header image later, you just have to select one of the other image options and click “Save Changes”.' ) . '</p>', 115 ) 116 ); 117 118 get_current_screen()->add_help_tab( 119 array( 120 'id' => 'set-header-text', 121 'title' => __( 'Header Text' ), 122 'content' => 123 '<p>' . sprintf( 124 /* translators: %s: URL to General Settings screen. */ 125 __( 'For most themes, the header text is your Site Title and Tagline, as defined in the <a href="%s">General Settings</a> section.' ), 126 admin_url( 'options-general.php' ) 127 ) . 128 '</p>' . 129 '<p>' . __( 'In the Header Text section of this page, you can choose whether to display this text or hide it. You can also choose a color for the text by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. “#ff0000” for red, or by choosing a color using the color picker.' ) . '</p>' . 130 '<p>' . __( 'Do not forget to click “Save Changes” when you are done!' ) . '</p>', 131 ) 132 ); 133 134 get_current_screen()->set_help_sidebar( 135 '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 136 '<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Header_Screen">Documentation on Custom Header</a>' ) . '</p>' . 137 '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>' 138 ); 139 } 140 141 /** 142 * Get the current step. 143 * 144 * @since 2.6.0 145 * 146 * @return int Current step. 147 */ 148 public function step() { 149 if ( ! isset( $_GET['step'] ) ) { 150 return 1; 151 } 152 153 $step = (int) $_GET['step']; 154 if ( $step < 1 || 3 < $step || 155 ( 2 === $step && ! wp_verify_nonce( $_REQUEST['_wpnonce-custom-header-upload'], 'custom-header-upload' ) ) || 156 ( 3 === $step && ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'custom-header-crop-image' ) ) 157 ) { 158 return 1; 159 } 160 161 return $step; 162 } 163 164 /** 165 * Set up the enqueue for the JavaScript files. 166 * 167 * @since 2.1.0 168 */ 169 public function js_includes() { 170 $step = $this->step(); 171 172 if ( ( 1 === $step || 3 === $step ) ) { 173 wp_enqueue_media(); 174 wp_enqueue_script( 'custom-header' ); 175 if ( current_theme_supports( 'custom-header', 'header-text' ) ) { 176 wp_enqueue_script( 'wp-color-picker' ); 177 } 178 } elseif ( 2 === $step ) { 179 wp_enqueue_script( 'imgareaselect' ); 180 } 181 } 182 183 /** 184 * Set up the enqueue for the CSS files 185 * 186 * @since 2.7.0 187 */ 188 public function css_includes() { 189 $step = $this->step(); 190 191 if ( ( 1 === $step || 3 === $step ) && current_theme_supports( 'custom-header', 'header-text' ) ) { 192 wp_enqueue_style( 'wp-color-picker' ); 193 } elseif ( 2 === $step ) { 194 wp_enqueue_style( 'imgareaselect' ); 195 } 196 } 197 198 /** 199 * Execute custom header modification. 200 * 201 * @since 2.6.0 202 */ 203 public function take_action() { 204 if ( ! current_user_can( 'edit_theme_options' ) ) { 205 return; 206 } 207 208 if ( empty( $_POST ) ) { 209 return; 210 } 211 212 $this->updated = true; 213 214 if ( isset( $_POST['resetheader'] ) ) { 215 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 216 217 $this->reset_header_image(); 218 219 return; 220 } 221 222 if ( isset( $_POST['removeheader'] ) ) { 223 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 224 225 $this->remove_header_image(); 226 227 return; 228 } 229 230 if ( isset( $_POST['text-color'] ) && ! isset( $_POST['display-header-text'] ) ) { 231 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 232 233 set_theme_mod( 'header_textcolor', 'blank' ); 234 } elseif ( isset( $_POST['text-color'] ) ) { 235 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 236 237 $_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] ); 238 239 $color = preg_replace( '/[^0-9a-fA-F]/', '', $_POST['text-color'] ); 240 241 if ( strlen( $color ) === 6 || strlen( $color ) === 3 ) { 242 set_theme_mod( 'header_textcolor', $color ); 243 } elseif ( ! $color ) { 244 set_theme_mod( 'header_textcolor', 'blank' ); 245 } 246 } 247 248 if ( isset( $_POST['default-header'] ) ) { 249 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 250 251 $this->set_header_image( $_POST['default-header'] ); 252 253 return; 254 } 255 } 256 257 /** 258 * Process the default headers 259 * 260 * @since 3.0.0 261 * 262 * @global array $_wp_default_headers 263 */ 264 public function process_default_headers() { 265 global $_wp_default_headers; 266 267 if ( ! isset( $_wp_default_headers ) ) { 268 return; 269 } 270 271 if ( ! empty( $this->default_headers ) ) { 272 return; 273 } 274 275 $this->default_headers = $_wp_default_headers; 276 $template_directory_uri = get_template_directory_uri(); 277 $stylesheet_directory_uri = get_stylesheet_directory_uri(); 278 279 foreach ( array_keys( $this->default_headers ) as $header ) { 280 $this->default_headers[ $header ]['url'] = sprintf( 281 $this->default_headers[ $header ]['url'], 282 $template_directory_uri, 283 $stylesheet_directory_uri 284 ); 285 286 $this->default_headers[ $header ]['thumbnail_url'] = sprintf( 287 $this->default_headers[ $header ]['thumbnail_url'], 288 $template_directory_uri, 289 $stylesheet_directory_uri 290 ); 291 } 292 } 293 294 /** 295 * Display UI for selecting one of several default headers. 296 * 297 * Show the random image option if this theme has multiple header images. 298 * Random image option is on by default if no header has been set. 299 * 300 * @since 3.0.0 301 * 302 * @param string $type The header type. One of 'default' (for the Uploaded Images control) 303 * or 'uploaded' (for the Uploaded Images control). 304 */ 305 public function show_header_selector( $type = 'default' ) { 306 if ( 'default' === $type ) { 307 $headers = $this->default_headers; 308 } else { 309 $headers = get_uploaded_header_images(); 310 $type = 'uploaded'; 311 } 312 313 if ( 1 < count( $headers ) ) { 314 echo '<div class="random-header">'; 315 echo '<label><input name="default-header" type="radio" value="random-' . $type . '-image"' . checked( is_random_header_image( $type ), true, false ) . ' />'; 316 _e( '<strong>Random:</strong> Show a different image on each page.' ); 317 echo '</label>'; 318 echo '</div>'; 319 } 320 321 echo '<div class="available-headers">'; 322 323 foreach ( $headers as $header_key => $header ) { 324 $header_thumbnail = $header['thumbnail_url']; 325 $header_url = $header['url']; 326 $header_alt_text = empty( $header['alt_text'] ) ? '' : $header['alt_text']; 327 328 echo '<div class="default-header">'; 329 echo '<label><input name="default-header" type="radio" value="' . esc_attr( $header_key ) . '" ' . checked( $header_url, get_theme_mod( 'header_image' ), false ) . ' />'; 330 $width = ''; 331 if ( ! empty( $header['attachment_id'] ) ) { 332 $width = ' width="230"'; 333 } 334 echo '<img src="' . set_url_scheme( $header_thumbnail ) . '" alt="' . esc_attr( $header_alt_text ) . '"' . $width . ' /></label>'; 335 echo '</div>'; 336 } 337 338 echo '<div class="clear"></div></div>'; 339 } 340 341 /** 342 * Execute JavaScript depending on step. 343 * 344 * @since 2.1.0 345 */ 346 public function js() { 347 $step = $this->step(); 348 349 if ( ( 1 === $step || 3 === $step ) && current_theme_supports( 'custom-header', 'header-text' ) ) { 350 $this->js_1(); 351 } elseif ( 2 === $step ) { 352 $this->js_2(); 353 } 354 } 355 356 /** 357 * Display JavaScript based on Step 1 and 3. 358 * 359 * @since 2.6.0 360 */ 361 public function js_1() { 362 $default_color = ''; 363 if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) { 364 $default_color = get_theme_support( 'custom-header', 'default-text-color' ); 365 if ( $default_color && false === strpos( $default_color, '#' ) ) { 366 $default_color = '#' . $default_color; 367 } 368 } 369 ?> 370 <script type="text/javascript"> 371 (function($){ 372 var default_color = '<?php echo esc_js( $default_color ); ?>', 373 header_text_fields; 374 375 function pickColor(color) { 376 $('#name').css('color', color); 377 $('#desc').css('color', color); 378 $('#text-color').val(color); 379 } 380 381 function toggle_text() { 382 var checked = $('#display-header-text').prop('checked'), 383 text_color; 384 header_text_fields.toggle( checked ); 385 if ( ! checked ) 386 return; 387 text_color = $('#text-color'); 388 if ( '' === text_color.val().replace('#', '') ) { 389 text_color.val( default_color ); 390 pickColor( default_color ); 391 } else { 392 pickColor( text_color.val() ); 393 } 394 } 395 396 $( function() { 397 var text_color = $('#text-color'); 398 header_text_fields = $('.displaying-header-text'); 399 text_color.wpColorPicker({ 400 change: function( event, ui ) { 401 pickColor( text_color.wpColorPicker('color') ); 402 }, 403 clear: function() { 404 pickColor( '' ); 405 } 406 }); 407 $('#display-header-text').click( toggle_text ); 408 <?php if ( ! display_header_text() ) : ?> 409 toggle_text(); 410 <?php endif; ?> 411 } ); 412 })(jQuery); 413 </script> 414 <?php 415 } 416 417 /** 418 * Display JavaScript based on Step 2. 419 * 420 * @since 2.6.0 421 */ 422 public function js_2() { 423 424 ?> 425 <script type="text/javascript"> 426 function onEndCrop( coords ) { 427 jQuery( '#x1' ).val(coords.x); 428 jQuery( '#y1' ).val(coords.y); 429 jQuery( '#width' ).val(coords.w); 430 jQuery( '#height' ).val(coords.h); 431 } 432 433 jQuery( function() { 434 var xinit = <?php echo absint( get_theme_support( 'custom-header', 'width' ) ); ?>; 435 var yinit = <?php echo absint( get_theme_support( 'custom-header', 'height' ) ); ?>; 436 var ratio = xinit / yinit; 437 var ximg = jQuery('img#upload').width(); 438 var yimg = jQuery('img#upload').height(); 439 440 if ( yimg < yinit || ximg < xinit ) { 441 if ( ximg / yimg > ratio ) { 442 yinit = yimg; 443 xinit = yinit * ratio; 444 } else { 445 xinit = ximg; 446 yinit = xinit / ratio; 447 } 448 } 449 450 jQuery('img#upload').imgAreaSelect({ 451 handles: true, 452 keys: true, 453 show: true, 454 x1: 0, 455 y1: 0, 456 x2: xinit, 457 y2: yinit, 458 <?php 459 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) 460 && ! current_theme_supports( 'custom-header', 'flex-width' ) 461 ) { 462 ?> 463 aspectRatio: xinit + ':' + yinit, 464 <?php 465 } 466 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) ) { 467 ?> 468 maxHeight: <?php echo get_theme_support( 'custom-header', 'height' ); ?>, 469 <?php 470 } 471 if ( ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 472 ?> 473 maxWidth: <?php echo get_theme_support( 'custom-header', 'width' ); ?>, 474 <?php 475 } 476 ?> 477 onInit: function () { 478 jQuery('#width').val(xinit); 479 jQuery('#height').val(yinit); 480 }, 481 onSelectChange: function(img, c) { 482 jQuery('#x1').val(c.x1); 483 jQuery('#y1').val(c.y1); 484 jQuery('#width').val(c.width); 485 jQuery('#height').val(c.height); 486 } 487 }); 488 } ); 489 </script> 490 <?php 491 } 492 493 /** 494 * Display first step of custom header image page. 495 * 496 * @since 2.1.0 497 */ 498 public function step_1() { 499 $this->process_default_headers(); 500 ?> 501 502 <div class="wrap"> 503 <h1><?php _e( 'Custom Header' ); ?></h1> 504 505 <?php if ( current_user_can( 'customize' ) ) { ?> 506 <div class="notice notice-info hide-if-no-customize"> 507 <p> 508 <?php 509 printf( 510 /* translators: %s: URL to header image configuration in Customizer. */ 511 __( 'You can now manage and live-preview Custom Header in the <a href="%s">Customizer</a>.' ), 512 admin_url( 'customize.php?autofocus[control]=header_image' ) 513 ); 514 ?> 515 </p> 516 </div> 517 <?php } ?> 518 519 <?php if ( ! empty( $this->updated ) ) { ?> 520 <div id="message" class="updated"> 521 <p> 522 <?php 523 /* translators: %s: Home URL. */ 524 printf( __( 'Header updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); 525 ?> 526 </p> 527 </div> 528 <?php } ?> 529 530 <h2><?php _e( 'Header Image' ); ?></h2> 531 532 <table class="form-table" role="presentation"> 533 <tbody> 534 535 <?php if ( get_custom_header() || display_header_text() ) : ?> 536 <tr> 537 <th scope="row"><?php _e( 'Preview' ); ?></th> 538 <td> 539 <?php 540 if ( $this->admin_image_div_callback ) { 541 call_user_func( $this->admin_image_div_callback ); 542 } else { 543 $custom_header = get_custom_header(); 544 $header_image = get_header_image(); 545 546 if ( $header_image ) { 547 $header_image_style = 'background-image:url(' . esc_url( $header_image ) . ');'; 548 } else { 549 $header_image_style = ''; 550 } 551 552 if ( $custom_header->width ) { 553 $header_image_style .= 'max-width:' . $custom_header->width . 'px;'; 554 } 555 if ( $custom_header->height ) { 556 $header_image_style .= 'height:' . $custom_header->height . 'px;'; 557 } 558 ?> 559 <div id="headimg" style="<?php echo $header_image_style; ?>"> 560 <?php 561 if ( display_header_text() ) { 562 $style = ' style="color:#' . get_header_textcolor() . ';"'; 563 } else { 564 $style = ' style="display:none;"'; 565 } 566 ?> 567 <h1><a id="name" class="displaying-header-text" <?php echo $style; ?> onclick="return false;" href="<?php bloginfo( 'url' ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1> 568 <div id="desc" class="displaying-header-text" <?php echo $style; ?>><?php bloginfo( 'description' ); ?></div> 569 </div> 570 <?php } ?> 571 </td> 572 </tr> 573 <?php endif; ?> 574 575 <?php if ( current_user_can( 'upload_files' ) && current_theme_supports( 'custom-header', 'uploads' ) ) : ?> 576 <tr> 577 <th scope="row"><?php _e( 'Select Image' ); ?></th> 578 <td> 579 <p><?php _e( 'You can select an image to be shown at the top of your site by uploading from your computer or choosing from your media library. After selecting an image you will be able to crop it.' ); ?><br /> 580 <?php 581 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) 582 && ! current_theme_supports( 'custom-header', 'flex-width' ) 583 ) { 584 printf( 585 /* translators: 1: Image width in pixels, 2: Image height in pixels. */ 586 __( 'Images of exactly <strong>%1$d × %2$d pixels</strong> will be used as-is.' ) . '<br />', 587 get_theme_support( 'custom-header', 'width' ), 588 get_theme_support( 'custom-header', 'height' ) 589 ); 590 } elseif ( current_theme_supports( 'custom-header', 'flex-height' ) ) { 591 if ( ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 592 printf( 593 /* translators: %s: Size in pixels. */ 594 __( 'Images should be at least %s wide.' ) . ' ', 595 sprintf( 596 /* translators: %d: Custom header width. */ 597 '<strong>' . __( '%d pixels' ) . '</strong>', 598 get_theme_support( 'custom-header', 'width' ) 599 ) 600 ); 601 } 602 } elseif ( current_theme_supports( 'custom-header', 'flex-width' ) ) { 603 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) ) { 604 printf( 605 /* translators: %s: Size in pixels. */ 606 __( 'Images should be at least %s tall.' ) . ' ', 607 sprintf( 608 /* translators: %d: Custom header height. */ 609 '<strong>' . __( '%d pixels' ) . '</strong>', 610 get_theme_support( 'custom-header', 'height' ) 611 ) 612 ); 613 } 614 } 615 616 if ( current_theme_supports( 'custom-header', 'flex-height' ) 617 || current_theme_supports( 'custom-header', 'flex-width' ) 618 ) { 619 if ( current_theme_supports( 'custom-header', 'width' ) ) { 620 printf( 621 /* translators: %s: Size in pixels. */ 622 __( 'Suggested width is %s.' ) . ' ', 623 sprintf( 624 /* translators: %d: Custom header width. */ 625 '<strong>' . __( '%d pixels' ) . '</strong>', 626 get_theme_support( 'custom-header', 'width' ) 627 ) 628 ); 629 } 630 631 if ( current_theme_supports( 'custom-header', 'height' ) ) { 632 printf( 633 /* translators: %s: Size in pixels. */ 634 __( 'Suggested height is %s.' ) . ' ', 635 sprintf( 636 /* translators: %d: Custom header height. */ 637 '<strong>' . __( '%d pixels' ) . '</strong>', 638 get_theme_support( 'custom-header', 'height' ) 639 ) 640 ); 641 } 642 } 643 ?> 644 </p> 645 <form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post" action="<?php echo esc_url( add_query_arg( 'step', 2 ) ); ?>"> 646 <p> 647 <label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br /> 648 <input type="file" id="upload" name="import" /> 649 <input type="hidden" name="action" value="save" /> 650 <?php wp_nonce_field( 'custom-header-upload', '_wpnonce-custom-header-upload' ); ?> 651 <?php submit_button( __( 'Upload' ), '', 'submit', false ); ?> 652 </p> 653 <?php 654 $modal_update_href = add_query_arg( 655 array( 656 'page' => 'custom-header', 657 'step' => 2, 658 '_wpnonce-custom-header-upload' => wp_create_nonce( 'custom-header-upload' ), 659 ), 660 admin_url( 'themes.php' ) 661 ); 662 ?> 663 <p> 664 <label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br /> 665 <button id="choose-from-library-link" class="button" 666 data-update-link="<?php echo esc_url( $modal_update_href ); ?>" 667 data-choose="<?php esc_attr_e( 'Choose a Custom Header' ); ?>" 668 data-update="<?php esc_attr_e( 'Set as header' ); ?>"><?php _e( 'Choose Image' ); ?></button> 669 </p> 670 </form> 671 </td> 672 </tr> 673 <?php endif; ?> 674 </tbody> 675 </table> 676 677 <form method="post" action="<?php echo esc_url( add_query_arg( 'step', 1 ) ); ?>"> 678 <?php submit_button( null, 'screen-reader-text', 'save-header-options', false ); ?> 679 <table class="form-table" role="presentation"> 680 <tbody> 681 <?php if ( get_uploaded_header_images() ) : ?> 682 <tr> 683 <th scope="row"><?php _e( 'Uploaded Images' ); ?></th> 684 <td> 685 <p><?php _e( 'You can choose one of your previously uploaded headers, or show a random one.' ); ?></p> 686 <?php 687 $this->show_header_selector( 'uploaded' ); 688 ?> 689 </td> 690 </tr> 691 <?php 692 endif; 693 if ( ! empty( $this->default_headers ) ) : 694 ?> 695 <tr> 696 <th scope="row"><?php _e( 'Default Images' ); ?></th> 697 <td> 698 <?php if ( current_theme_supports( 'custom-header', 'uploads' ) ) : ?> 699 <p><?php _e( 'If you don‘t want to upload your own image, you can use one of these cool headers, or show a random one.' ); ?></p> 700 <?php else : ?> 701 <p><?php _e( 'You can use one of these cool headers or show a random one on each page.' ); ?></p> 702 <?php endif; ?> 703 <?php 704 $this->show_header_selector( 'default' ); 705 ?> 706 </td> 707 </tr> 708 <?php 709 endif; 710 if ( get_header_image() ) : 711 ?> 712 <tr> 713 <th scope="row"><?php _e( 'Remove Image' ); ?></th> 714 <td> 715 <p><?php _e( 'This will remove the header image. You will not be able to restore any customizations.' ); ?></p> 716 <?php submit_button( __( 'Remove Header Image' ), '', 'removeheader', false ); ?> 717 </td> 718 </tr> 719 <?php 720 endif; 721 722 $default_image = sprintf( 723 get_theme_support( 'custom-header', 'default-image' ), 724 get_template_directory_uri(), 725 get_stylesheet_directory_uri() 726 ); 727 728 if ( $default_image && get_header_image() !== $default_image ) : 729 ?> 730 <tr> 731 <th scope="row"><?php _e( 'Reset Image' ); ?></th> 732 <td> 733 <p><?php _e( 'This will restore the original header image. You will not be able to restore any customizations.' ); ?></p> 734 <?php submit_button( __( 'Restore Original Header Image' ), '', 'resetheader', false ); ?> 735 </td> 736 </tr> 737 <?php endif; ?> 738 </tbody> 739 </table> 740 741 <?php if ( current_theme_supports( 'custom-header', 'header-text' ) ) : ?> 742 743 <h2><?php _e( 'Header Text' ); ?></h2> 744 745 <table class="form-table" role="presentation"> 746 <tbody> 747 <tr> 748 <th scope="row"><?php _e( 'Header Text' ); ?></th> 749 <td> 750 <p> 751 <label><input type="checkbox" name="display-header-text" id="display-header-text"<?php checked( display_header_text() ); ?> /> <?php _e( 'Show header text with your image.' ); ?></label> 752 </p> 753 </td> 754 </tr> 755 756 <tr class="displaying-header-text"> 757 <th scope="row"><?php _e( 'Text Color' ); ?></th> 758 <td> 759 <p> 760 <?php 761 $default_color = ''; 762 if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) { 763 $default_color = get_theme_support( 'custom-header', 'default-text-color' ); 764 if ( $default_color && false === strpos( $default_color, '#' ) ) { 765 $default_color = '#' . $default_color; 766 } 767 } 768 769 $default_color_attr = $default_color ? ' data-default-color="' . esc_attr( $default_color ) . '"' : ''; 770 771 $header_textcolor = display_header_text() ? get_header_textcolor() : get_theme_support( 'custom-header', 'default-text-color' ); 772 if ( $header_textcolor && false === strpos( $header_textcolor, '#' ) ) { 773 $header_textcolor = '#' . $header_textcolor; 774 } 775 776 echo '<input type="text" name="text-color" id="text-color" value="' . esc_attr( $header_textcolor ) . '"' . $default_color_attr . ' />'; 777 if ( $default_color ) { 778 /* translators: %s: Default text color. */ 779 echo ' <span class="description hide-if-js">' . sprintf( _x( 'Default: %s', 'color' ), esc_html( $default_color ) ) . '</span>'; 780 } 781 ?> 782 </p> 783 </td> 784 </tr> 785 </tbody> 786 </table> 787 <?php 788 endif; 789 790 /** 791 * Fires just before the submit button in the custom header options form. 792 * 793 * @since 3.1.0 794 */ 795 do_action( 'custom_header_options' ); 796 797 wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); 798 ?> 799 800 <?php submit_button( null, 'primary', 'save-header-options' ); ?> 801 </form> 802 </div> 803 804 <?php 805 } 806 807 /** 808 * Display second step of custom header image page. 809 * 810 * @since 2.1.0 811 */ 812 public function step_2() { 813 check_admin_referer( 'custom-header-upload', '_wpnonce-custom-header-upload' ); 814 815 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 816 wp_die( 817 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 818 '<p>' . __( 'The active theme does not support uploading a custom header image.' ) . '</p>', 819 403 820 ); 821 } 822 823 if ( empty( $_POST ) && isset( $_GET['file'] ) ) { 824 $attachment_id = absint( $_GET['file'] ); 825 $file = get_attached_file( $attachment_id, true ); 826 $url = wp_get_attachment_image_src( $attachment_id, 'full' ); 827 $url = $url[0]; 828 } elseif ( isset( $_POST ) ) { 829 $data = $this->step_2_manage_upload(); 830 $attachment_id = $data['attachment_id']; 831 $file = $data['file']; 832 $url = $data['url']; 833 } 834 835 if ( file_exists( $file ) ) { 836 list( $width, $height, $type, $attr ) = wp_getimagesize( $file ); 837 } else { 838 $data = wp_get_attachment_metadata( $attachment_id ); 839 $height = isset( $data['height'] ) ? (int) $data['height'] : 0; 840 $width = isset( $data['width'] ) ? (int) $data['width'] : 0; 841 unset( $data ); 842 } 843 844 $max_width = 0; 845 846 // For flex, limit size of image displayed to 1500px unless theme says otherwise. 847 if ( current_theme_supports( 'custom-header', 'flex-width' ) ) { 848 $max_width = 1500; 849 } 850 851 if ( current_theme_supports( 'custom-header', 'max-width' ) ) { 852 $max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) ); 853 } 854 855 $max_width = max( $max_width, get_theme_support( 'custom-header', 'width' ) ); 856 857 // If flexible height isn't supported and the image is the exact right size. 858 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) 859 && ! current_theme_supports( 'custom-header', 'flex-width' ) 860 && (int) get_theme_support( 'custom-header', 'width' ) === $width 861 && (int) get_theme_support( 'custom-header', 'height' ) === $height 862 ) { 863 // Add the metadata. 864 if ( file_exists( $file ) ) { 865 wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) ); 866 } 867 868 $this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) ); 869 870 /** 871 * Fires after the header image is set or an error is returned. 872 * 873 * @since 2.1.0 874 * 875 * @param string $file Path to the file. 876 * @param int $attachment_id Attachment ID. 877 */ 878 do_action( 'wp_create_file_in_uploads', $file, $attachment_id ); // For replication. 879 880 return $this->finished(); 881 } elseif ( $width > $max_width ) { 882 $oitar = $width / $max_width; 883 884 $image = wp_crop_image( 885 $attachment_id, 886 0, 887 0, 888 $width, 889 $height, 890 $max_width, 891 $height / $oitar, 892 false, 893 str_replace( wp_basename( $file ), 'midsize-' . wp_basename( $file ), $file ) 894 ); 895 896 if ( ! $image || is_wp_error( $image ) ) { 897 wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) ); 898 } 899 900 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 901 $image = apply_filters( 'wp_create_file_in_uploads', $image, $attachment_id ); // For replication. 902 903 $url = str_replace( wp_basename( $url ), wp_basename( $image ), $url ); 904 $width = $width / $oitar; 905 $height = $height / $oitar; 906 } else { 907 $oitar = 1; 908 } 909 ?> 910 911 <div class="wrap"> 912 <h1><?php _e( 'Crop Header Image' ); ?></h1> 913 914 <form method="post" action="<?php echo esc_url( add_query_arg( 'step', 3 ) ); ?>"> 915 <p class="hide-if-no-js"><?php _e( 'Choose the part of the image you want to use as your header.' ); ?></p> 916 <p class="hide-if-js"><strong><?php _e( 'You need JavaScript to choose a part of the image.' ); ?></strong></p> 917 918 <div id="crop_image" style="position: relative"> 919 <img src="<?php echo esc_url( $url ); ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" alt="" /> 920 </div> 921 922 <input type="hidden" name="x1" id="x1" value="0" /> 923 <input type="hidden" name="y1" id="y1" value="0" /> 924 <input type="hidden" name="width" id="width" value="<?php echo esc_attr( $width ); ?>" /> 925 <input type="hidden" name="height" id="height" value="<?php echo esc_attr( $height ); ?>" /> 926 <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr( $attachment_id ); ?>" /> 927 <input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr( $oitar ); ?>" /> 928 <?php if ( empty( $_POST ) && isset( $_GET['file'] ) ) { ?> 929 <input type="hidden" name="create-new-attachment" value="true" /> 930 <?php } ?> 931 <?php wp_nonce_field( 'custom-header-crop-image' ); ?> 932 933 <p class="submit"> 934 <?php submit_button( __( 'Crop and Publish' ), 'primary', 'submit', false ); ?> 935 <?php 936 if ( isset( $oitar ) && 1 === $oitar 937 && ( current_theme_supports( 'custom-header', 'flex-height' ) 938 || current_theme_supports( 'custom-header', 'flex-width' ) ) 939 ) { 940 submit_button( __( 'Skip Cropping, Publish Image as Is' ), '', 'skip-cropping', false ); 941 } 942 ?> 943 </p> 944 </form> 945 </div> 946 <?php 947 } 948 949 950 /** 951 * Upload the file to be cropped in the second step. 952 * 953 * @since 3.4.0 954 */ 955 public function step_2_manage_upload() { 956 $overrides = array( 'test_form' => false ); 957 958 $uploaded_file = $_FILES['import']; 959 $wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] ); 960 961 if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) { 962 wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) ); 963 } 964 965 $file = wp_handle_upload( $uploaded_file, $overrides ); 966 967 if ( isset( $file['error'] ) ) { 968 wp_die( $file['error'], __( 'Image Upload Error' ) ); 969 } 970 971 $url = $file['url']; 972 $type = $file['type']; 973 $file = $file['file']; 974 $filename = wp_basename( $file ); 975 976 // Construct the attachment array. 977 $attachment = array( 978 'post_title' => $filename, 979 'post_content' => $url, 980 'post_mime_type' => $type, 981 'guid' => $url, 982 'context' => 'custom-header', 983 ); 984 985 // Save the data. 986 $attachment_id = wp_insert_attachment( $attachment, $file ); 987 988 return compact( 'attachment_id', 'file', 'filename', 'url', 'type' ); 989 } 990 991 /** 992 * Display third step of custom header image page. 993 * 994 * @since 2.1.0 995 * @since 4.4.0 Switched to using wp_get_attachment_url() instead of the guid 996 * for retrieving the header image URL. 997 */ 998 public function step_3() { 999 check_admin_referer( 'custom-header-crop-image' ); 1000 1001 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 1002 wp_die( 1003 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 1004 '<p>' . __( 'The active theme does not support uploading a custom header image.' ) . '</p>', 1005 403 1006 ); 1007 } 1008 1009 if ( ! empty( $_POST['skip-cropping'] ) 1010 && ! current_theme_supports( 'custom-header', 'flex-height' ) 1011 && ! current_theme_supports( 'custom-header', 'flex-width' ) 1012 ) { 1013 wp_die( 1014 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 1015 '<p>' . __( 'The active theme does not support a flexible sized header image.' ) . '</p>', 1016 403 1017 ); 1018 } 1019 1020 if ( $_POST['oitar'] > 1 ) { 1021 $_POST['x1'] = $_POST['x1'] * $_POST['oitar']; 1022 $_POST['y1'] = $_POST['y1'] * $_POST['oitar']; 1023 $_POST['width'] = $_POST['width'] * $_POST['oitar']; 1024 $_POST['height'] = $_POST['height'] * $_POST['oitar']; 1025 } 1026 1027 $attachment_id = absint( $_POST['attachment_id'] ); 1028 $original = get_attached_file( $attachment_id ); 1029 1030 $dimensions = $this->get_header_dimensions( 1031 array( 1032 'height' => $_POST['height'], 1033 'width' => $_POST['width'], 1034 ) 1035 ); 1036 $height = $dimensions['dst_height']; 1037 $width = $dimensions['dst_width']; 1038 1039 if ( empty( $_POST['skip-cropping'] ) ) { 1040 $cropped = wp_crop_image( 1041 $attachment_id, 1042 (int) $_POST['x1'], 1043 (int) $_POST['y1'], 1044 (int) $_POST['width'], 1045 (int) $_POST['height'], 1046 $width, 1047 $height 1048 ); 1049 } elseif ( ! empty( $_POST['create-new-attachment'] ) ) { 1050 $cropped = _copy_image_file( $attachment_id ); 1051 } else { 1052 $cropped = get_attached_file( $attachment_id ); 1053 } 1054 1055 if ( ! $cropped || is_wp_error( $cropped ) ) { 1056 wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) ); 1057 } 1058 1059 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 1060 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 1061 1062 $attachment = $this->create_attachment_object( $cropped, $attachment_id ); 1063 1064 if ( ! empty( $_POST['create-new-attachment'] ) ) { 1065 unset( $attachment['ID'] ); 1066 } 1067 1068 // Update the attachment. 1069 $attachment_id = $this->insert_attachment( $attachment, $cropped ); 1070 1071 $url = wp_get_attachment_url( $attachment_id ); 1072 $this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) ); 1073 1074 // Cleanup. 1075 $medium = str_replace( wp_basename( $original ), 'midsize-' . wp_basename( $original ), $original ); 1076 if ( file_exists( $medium ) ) { 1077 wp_delete_file( $medium ); 1078 } 1079 1080 if ( empty( $_POST['create-new-attachment'] ) && empty( $_POST['skip-cropping'] ) ) { 1081 wp_delete_file( $original ); 1082 } 1083 1084 return $this->finished(); 1085 } 1086 1087 /** 1088 * Display last step of custom header image page. 1089 * 1090 * @since 2.1.0 1091 */ 1092 public function finished() { 1093 $this->updated = true; 1094 $this->step_1(); 1095 } 1096 1097 /** 1098 * Display the page based on the current step. 1099 * 1100 * @since 2.1.0 1101 */ 1102 public function admin_page() { 1103 if ( ! current_user_can( 'edit_theme_options' ) ) { 1104 wp_die( __( 'Sorry, you are not allowed to customize headers.' ) ); 1105 } 1106 1107 $step = $this->step(); 1108 1109 if ( 2 === $step ) { 1110 $this->step_2(); 1111 } elseif ( 3 === $step ) { 1112 $this->step_3(); 1113 } else { 1114 $this->step_1(); 1115 } 1116 } 1117 1118 /** 1119 * Unused since 3.5.0. 1120 * 1121 * @since 3.4.0 1122 * 1123 * @param array $form_fields 1124 * @return array $form_fields 1125 */ 1126 public function attachment_fields_to_edit( $form_fields ) { 1127 return $form_fields; 1128 } 1129 1130 /** 1131 * Unused since 3.5.0. 1132 * 1133 * @since 3.4.0 1134 * 1135 * @param array $tabs 1136 * @return array $tabs 1137 */ 1138 public function filter_upload_tabs( $tabs ) { 1139 return $tabs; 1140 } 1141 1142 /** 1143 * Choose a header image, selected from existing uploaded and default headers, 1144 * or provide an array of uploaded header data (either new, or from media library). 1145 * 1146 * @since 3.4.0 1147 * 1148 * @param mixed $choice Which header image to select. Allows for values of 'random-default-image', 1149 * for randomly cycling among the default images; 'random-uploaded-image', for randomly cycling 1150 * among the uploaded images; the key of a default image registered for that theme; and 1151 * the key of an image uploaded for that theme (the attachment ID of the image). 1152 * Or an array of arguments: attachment_id, url, width, height. All are required. 1153 */ 1154 final public function set_header_image( $choice ) { 1155 if ( is_array( $choice ) || is_object( $choice ) ) { 1156 $choice = (array) $choice; 1157 1158 if ( ! isset( $choice['attachment_id'] ) || ! isset( $choice['url'] ) ) { 1159 return; 1160 } 1161 1162 $choice['url'] = esc_url_raw( $choice['url'] ); 1163 1164 $header_image_data = (object) array( 1165 'attachment_id' => $choice['attachment_id'], 1166 'url' => $choice['url'], 1167 'thumbnail_url' => $choice['url'], 1168 'height' => $choice['height'], 1169 'width' => $choice['width'], 1170 ); 1171 1172 update_post_meta( $choice['attachment_id'], '_wp_attachment_is_custom_header', get_stylesheet() ); 1173 1174 set_theme_mod( 'header_image', $choice['url'] ); 1175 set_theme_mod( 'header_image_data', $header_image_data ); 1176 1177 return; 1178 } 1179 1180 if ( in_array( $choice, array( 'remove-header', 'random-default-image', 'random-uploaded-image' ), true ) ) { 1181 set_theme_mod( 'header_image', $choice ); 1182 remove_theme_mod( 'header_image_data' ); 1183 1184 return; 1185 } 1186 1187 $uploaded = get_uploaded_header_images(); 1188 1189 if ( $uploaded && isset( $uploaded[ $choice ] ) ) { 1190 $header_image_data = $uploaded[ $choice ]; 1191 } else { 1192 $this->process_default_headers(); 1193 if ( isset( $this->default_headers[ $choice ] ) ) { 1194 $header_image_data = $this->default_headers[ $choice ]; 1195 } else { 1196 return; 1197 } 1198 } 1199 1200 set_theme_mod( 'header_image', esc_url_raw( $header_image_data['url'] ) ); 1201 set_theme_mod( 'header_image_data', $header_image_data ); 1202 } 1203 1204 /** 1205 * Remove a header image. 1206 * 1207 * @since 3.4.0 1208 */ 1209 final public function remove_header_image() { 1210 $this->set_header_image( 'remove-header' ); 1211 } 1212 1213 /** 1214 * Reset a header image to the default image for the theme. 1215 * 1216 * This method does not do anything if the theme does not have a default header image. 1217 * 1218 * @since 3.4.0 1219 */ 1220 final public function reset_header_image() { 1221 $this->process_default_headers(); 1222 $default = get_theme_support( 'custom-header', 'default-image' ); 1223 1224 if ( ! $default ) { 1225 $this->remove_header_image(); 1226 return; 1227 } 1228 1229 $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); 1230 1231 $default_data = array(); 1232 foreach ( $this->default_headers as $header => $details ) { 1233 if ( $details['url'] === $default ) { 1234 $default_data = $details; 1235 break; 1236 } 1237 } 1238 1239 set_theme_mod( 'header_image', $default ); 1240 set_theme_mod( 'header_image_data', (object) $default_data ); 1241 } 1242 1243 /** 1244 * Calculate width and height based on what the currently selected theme supports. 1245 * 1246 * @since 3.9.0 1247 * 1248 * @param array $dimensions 1249 * @return array dst_height and dst_width of header image. 1250 */ 1251 final public function get_header_dimensions( $dimensions ) { 1252 $max_width = 0; 1253 $width = absint( $dimensions['width'] ); 1254 $height = absint( $dimensions['height'] ); 1255 $theme_height = get_theme_support( 'custom-header', 'height' ); 1256 $theme_width = get_theme_support( 'custom-header', 'width' ); 1257 $has_flex_width = current_theme_supports( 'custom-header', 'flex-width' ); 1258 $has_flex_height = current_theme_supports( 'custom-header', 'flex-height' ); 1259 $has_max_width = current_theme_supports( 'custom-header', 'max-width' ); 1260 $dst = array( 1261 'dst_height' => null, 1262 'dst_width' => null, 1263 ); 1264 1265 // For flex, limit size of image displayed to 1500px unless theme says otherwise. 1266 if ( $has_flex_width ) { 1267 $max_width = 1500; 1268 } 1269 1270 if ( $has_max_width ) { 1271 $max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) ); 1272 } 1273 $max_width = max( $max_width, $theme_width ); 1274 1275 if ( $has_flex_height && ( ! $has_flex_width || $width > $max_width ) ) { 1276 $dst['dst_height'] = absint( $height * ( $max_width / $width ) ); 1277 } elseif ( $has_flex_height && $has_flex_width ) { 1278 $dst['dst_height'] = $height; 1279 } else { 1280 $dst['dst_height'] = $theme_height; 1281 } 1282 1283 if ( $has_flex_width && ( ! $has_flex_height || $width > $max_width ) ) { 1284 $dst['dst_width'] = absint( $width * ( $max_width / $width ) ); 1285 } elseif ( $has_flex_width && $has_flex_height ) { 1286 $dst['dst_width'] = $width; 1287 } else { 1288 $dst['dst_width'] = $theme_width; 1289 } 1290 1291 return $dst; 1292 } 1293 1294 /** 1295 * Create an attachment 'object'. 1296 * 1297 * @since 3.9.0 1298 * 1299 * @param string $cropped Cropped image URL. 1300 * @param int $parent_attachment_id Attachment ID of parent image. 1301 * @return array An array with attachment object data. 1302 */ 1303 final public function create_attachment_object( $cropped, $parent_attachment_id ) { 1304 $parent = get_post( $parent_attachment_id ); 1305 $parent_url = wp_get_attachment_url( $parent->ID ); 1306 $url = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url ); 1307 1308 $size = wp_getimagesize( $cropped ); 1309 $image_type = ( $size ) ? $size['mime'] : 'image/jpeg'; 1310 1311 $attachment = array( 1312 'ID' => $parent_attachment_id, 1313 'post_title' => wp_basename( $cropped ), 1314 'post_mime_type' => $image_type, 1315 'guid' => $url, 1316 'context' => 'custom-header', 1317 'post_parent' => $parent_attachment_id, 1318 ); 1319 1320 return $attachment; 1321 } 1322 1323 /** 1324 * Insert an attachment and its metadata. 1325 * 1326 * @since 3.9.0 1327 * 1328 * @param array $attachment An array with attachment object data. 1329 * @param string $cropped File path to cropped image. 1330 * @return int Attachment ID. 1331 */ 1332 final public function insert_attachment( $attachment, $cropped ) { 1333 $parent_id = isset( $attachment['post_parent'] ) ? $attachment['post_parent'] : null; 1334 unset( $attachment['post_parent'] ); 1335 1336 $attachment_id = wp_insert_attachment( $attachment, $cropped ); 1337 $metadata = wp_generate_attachment_metadata( $attachment_id, $cropped ); 1338 1339 // If this is a crop, save the original attachment ID as metadata. 1340 if ( $parent_id ) { 1341 $metadata['attachment_parent'] = $parent_id; 1342 } 1343 1344 /** 1345 * Filters the header image attachment metadata. 1346 * 1347 * @since 3.9.0 1348 * 1349 * @see wp_generate_attachment_metadata() 1350 * 1351 * @param array $metadata Attachment metadata. 1352 */ 1353 $metadata = apply_filters( 'wp_header_image_attachment_metadata', $metadata ); 1354 1355 wp_update_attachment_metadata( $attachment_id, $metadata ); 1356 1357 return $attachment_id; 1358 } 1359 1360 /** 1361 * Gets attachment uploaded by Media Manager, crops it, then saves it as a 1362 * new object. Returns JSON-encoded object details. 1363 * 1364 * @since 3.9.0 1365 */ 1366 public function ajax_header_crop() { 1367 check_ajax_referer( 'image_editor-' . $_POST['id'], 'nonce' ); 1368 1369 if ( ! current_user_can( 'edit_theme_options' ) ) { 1370 wp_send_json_error(); 1371 } 1372 1373 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 1374 wp_send_json_error(); 1375 } 1376 1377 $crop_details = $_POST['cropDetails']; 1378 1379 $dimensions = $this->get_header_dimensions( 1380 array( 1381 'height' => $crop_details['height'], 1382 'width' => $crop_details['width'], 1383 ) 1384 ); 1385 1386 $attachment_id = absint( $_POST['id'] ); 1387 1388 $cropped = wp_crop_image( 1389 $attachment_id, 1390 (int) $crop_details['x1'], 1391 (int) $crop_details['y1'], 1392 (int) $crop_details['width'], 1393 (int) $crop_details['height'], 1394 (int) $dimensions['dst_width'], 1395 (int) $dimensions['dst_height'] 1396 ); 1397 1398 if ( ! $cropped || is_wp_error( $cropped ) ) { 1399 wp_send_json_error( array( 'message' => __( 'Image could not be processed. Please go back and try again.' ) ) ); 1400 } 1401 1402 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 1403 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 1404 1405 $attachment = $this->create_attachment_object( $cropped, $attachment_id ); 1406 1407 $previous = $this->get_previous_crop( $attachment ); 1408 1409 if ( $previous ) { 1410 $attachment['ID'] = $previous; 1411 } else { 1412 unset( $attachment['ID'] ); 1413 } 1414 1415 $new_attachment_id = $this->insert_attachment( $attachment, $cropped ); 1416 1417 $attachment['attachment_id'] = $new_attachment_id; 1418 $attachment['url'] = wp_get_attachment_url( $new_attachment_id ); 1419 1420 $attachment['width'] = $dimensions['dst_width']; 1421 $attachment['height'] = $dimensions['dst_height']; 1422 1423 wp_send_json_success( $attachment ); 1424 } 1425 1426 /** 1427 * Given an attachment ID for a header image, updates its "last used" 1428 * timestamp to now. 1429 * 1430 * Triggered when the user tries adds a new header image from the 1431 * Media Manager, even if s/he doesn't save that change. 1432 * 1433 * @since 3.9.0 1434 */ 1435 public function ajax_header_add() { 1436 check_ajax_referer( 'header-add', 'nonce' ); 1437 1438 if ( ! current_user_can( 'edit_theme_options' ) ) { 1439 wp_send_json_error(); 1440 } 1441 1442 $attachment_id = absint( $_POST['attachment_id'] ); 1443 if ( $attachment_id < 1 ) { 1444 wp_send_json_error(); 1445 } 1446 1447 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1448 update_post_meta( $attachment_id, $key, time() ); 1449 update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() ); 1450 1451 wp_send_json_success(); 1452 } 1453 1454 /** 1455 * Given an attachment ID for a header image, unsets it as a user-uploaded 1456 * header image for the active theme. 1457 * 1458 * Triggered when the user clicks the overlay "X" button next to each image 1459 * choice in the Customizer's Header tool. 1460 * 1461 * @since 3.9.0 1462 */ 1463 public function ajax_header_remove() { 1464 check_ajax_referer( 'header-remove', 'nonce' ); 1465 1466 if ( ! current_user_can( 'edit_theme_options' ) ) { 1467 wp_send_json_error(); 1468 } 1469 1470 $attachment_id = absint( $_POST['attachment_id'] ); 1471 if ( $attachment_id < 1 ) { 1472 wp_send_json_error(); 1473 } 1474 1475 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1476 delete_post_meta( $attachment_id, $key ); 1477 delete_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() ); 1478 1479 wp_send_json_success(); 1480 } 1481 1482 /** 1483 * Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer. 1484 * 1485 * @since 3.9.0 1486 * 1487 * @param WP_Customize_Manager $wp_customize Customize manager. 1488 */ 1489 public function customize_set_last_used( $wp_customize ) { 1490 1491 $header_image_data_setting = $wp_customize->get_setting( 'header_image_data' ); 1492 1493 if ( ! $header_image_data_setting ) { 1494 return; 1495 } 1496 1497 $data = $header_image_data_setting->post_value(); 1498 1499 if ( ! isset( $data['attachment_id'] ) ) { 1500 return; 1501 } 1502 1503 $attachment_id = $data['attachment_id']; 1504 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1505 update_post_meta( $attachment_id, $key, time() ); 1506 } 1507 1508 /** 1509 * Gets the details of default header images if defined. 1510 * 1511 * @since 3.9.0 1512 * 1513 * @return array Default header images. 1514 */ 1515 public function get_default_header_images() { 1516 $this->process_default_headers(); 1517 1518 // Get the default image if there is one. 1519 $default = get_theme_support( 'custom-header', 'default-image' ); 1520 1521 if ( ! $default ) { // If not, easy peasy. 1522 return $this->default_headers; 1523 } 1524 1525 $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); 1526 1527 $already_has_default = false; 1528 1529 foreach ( $this->default_headers as $k => $h ) { 1530 if ( $h['url'] === $default ) { 1531 $already_has_default = true; 1532 break; 1533 } 1534 } 1535 1536 if ( $already_has_default ) { 1537 return $this->default_headers; 1538 } 1539 1540 // If the one true image isn't included in the default set, prepend it. 1541 $header_images = array(); 1542 $header_images['default'] = array( 1543 'url' => $default, 1544 'thumbnail_url' => $default, 1545 'description' => 'Default', 1546 ); 1547 1548 // The rest of the set comes after. 1549 return array_merge( $header_images, $this->default_headers ); 1550 } 1551 1552 /** 1553 * Gets the previously uploaded header images. 1554 * 1555 * @since 3.9.0 1556 * 1557 * @return array Uploaded header images. 1558 */ 1559 public function get_uploaded_header_images() { 1560 $header_images = get_uploaded_header_images(); 1561 $timestamp_key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1562 $alt_text_key = '_wp_attachment_image_alt'; 1563 1564 foreach ( $header_images as &$header_image ) { 1565 $header_meta = get_post_meta( $header_image['attachment_id'] ); 1566 $header_image['timestamp'] = isset( $header_meta[ $timestamp_key ] ) ? $header_meta[ $timestamp_key ] : ''; 1567 $header_image['alt_text'] = isset( $header_meta[ $alt_text_key ] ) ? $header_meta[ $alt_text_key ] : ''; 1568 } 1569 1570 return $header_images; 1571 } 1572 1573 /** 1574 * Get the ID of a previous crop from the same base image. 1575 * 1576 * @since 4.9.0 1577 * 1578 * @param array $attachment An array with a cropped attachment object data. 1579 * @return int|false An attachment ID if one exists. False if none. 1580 */ 1581 public function get_previous_crop( $attachment ) { 1582 $header_images = $this->get_uploaded_header_images(); 1583 1584 // Bail early if there are no header images. 1585 if ( empty( $header_images ) ) { 1586 return false; 1587 } 1588 1589 $previous = false; 1590 1591 foreach ( $header_images as $image ) { 1592 if ( $image['attachment_parent'] === $attachment['post_parent'] ) { 1593 $previous = $image['attachment_id']; 1594 break; 1595 } 1596 } 1597 1598 return $previous; 1599 } 1600 }
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
| Generated: Sat Nov 23 01:00:02 2024 | Cross-referenced by PHPXref 0.7.1 |