| [ 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 if ( ! $page ) { 75 return; 76 } 77 78 add_action( "admin_print_scripts-{$page}", array( $this, 'js_includes' ) ); 79 add_action( "admin_print_styles-{$page}", array( $this, 'css_includes' ) ); 80 add_action( "admin_head-{$page}", array( $this, 'help' ) ); 81 add_action( "admin_head-{$page}", array( $this, 'take_action' ), 50 ); 82 add_action( "admin_head-{$page}", array( $this, 'js' ), 50 ); 83 if ( $this->admin_header_callback ) { 84 add_action( "admin_head-{$page}", $this->admin_header_callback, 51 ); 85 } 86 } 87 88 /** 89 * Adds contextual help. 90 * 91 * @since 3.0.0 92 */ 93 public function help() { 94 get_current_screen()->add_help_tab( 95 array( 96 'id' => 'overview', 97 'title' => __( 'Overview' ), 98 'content' => 99 '<p>' . __( 'This screen is used to customize the header section of your theme.' ) . '</p>' . 100 '<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>', 101 ) 102 ); 103 104 get_current_screen()->add_help_tab( 105 array( 106 'id' => 'set-header-image', 107 'title' => __( 'Header Image' ), 108 'content' => 109 '<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>' . 110 '<p>' . __( 'Some themes come with additional header images bundled. If you see multiple images displayed, select the one you’d like and click the “Save Changes” button.' ) . '</p>' . 111 '<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>' . 112 '<p>' . __( 'If you don’t 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>', 113 ) 114 ); 115 116 get_current_screen()->add_help_tab( 117 array( 118 'id' => 'set-header-text', 119 'title' => __( 'Header Text' ), 120 'content' => 121 '<p>' . sprintf( 122 /* translators: %s: URL to General Settings screen. */ 123 __( 'For most themes, the header text is your Site Title and Tagline, as defined in the <a href="%s">General Settings</a> section.' ), 124 admin_url( 'options-general.php' ) 125 ) . 126 '</p>' . 127 '<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>' . 128 '<p>' . __( 'Don’t forget to click “Save Changes” when you’re done!' ) . '</p>', 129 ) 130 ); 131 132 get_current_screen()->set_help_sidebar( 133 '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 134 '<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Header_Screen">Documentation on Custom Header</a>' ) . '</p>' . 135 '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>' 136 ); 137 } 138 139 /** 140 * Get the current step. 141 * 142 * @since 2.6.0 143 * 144 * @return int Current step 145 */ 146 public function step() { 147 if ( ! isset( $_GET['step'] ) ) { 148 return 1; 149 } 150 151 $step = (int) $_GET['step']; 152 if ( $step < 1 || 3 < $step || 153 ( 2 == $step && ! wp_verify_nonce( $_REQUEST['_wpnonce-custom-header-upload'], 'custom-header-upload' ) ) || 154 ( 3 == $step && ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'custom-header-crop-image' ) ) 155 ) { 156 return 1; 157 } 158 159 return $step; 160 } 161 162 /** 163 * Set up the enqueue for the JavaScript files. 164 * 165 * @since 2.1.0 166 */ 167 public function js_includes() { 168 $step = $this->step(); 169 170 if ( ( 1 == $step || 3 == $step ) ) { 171 wp_enqueue_media(); 172 wp_enqueue_script( 'custom-header' ); 173 if ( current_theme_supports( 'custom-header', 'header-text' ) ) { 174 wp_enqueue_script( 'wp-color-picker' ); 175 } 176 } elseif ( 2 == $step ) { 177 wp_enqueue_script( 'imgareaselect' ); 178 } 179 } 180 181 /** 182 * Set up the enqueue for the CSS files 183 * 184 * @since 2.7.0 185 */ 186 public function css_includes() { 187 $step = $this->step(); 188 189 if ( ( 1 == $step || 3 == $step ) && current_theme_supports( 'custom-header', 'header-text' ) ) { 190 wp_enqueue_style( 'wp-color-picker' ); 191 } elseif ( 2 == $step ) { 192 wp_enqueue_style( 'imgareaselect' ); 193 } 194 } 195 196 /** 197 * Execute custom header modification. 198 * 199 * @since 2.6.0 200 */ 201 public function take_action() { 202 if ( ! current_user_can( 'edit_theme_options' ) ) { 203 return; 204 } 205 206 if ( empty( $_POST ) ) { 207 return; 208 } 209 210 $this->updated = true; 211 212 if ( isset( $_POST['resetheader'] ) ) { 213 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 214 $this->reset_header_image(); 215 return; 216 } 217 218 if ( isset( $_POST['removeheader'] ) ) { 219 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 220 $this->remove_header_image(); 221 return; 222 } 223 224 if ( isset( $_POST['text-color'] ) && ! isset( $_POST['display-header-text'] ) ) { 225 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 226 set_theme_mod( 'header_textcolor', 'blank' ); 227 } elseif ( isset( $_POST['text-color'] ) ) { 228 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 229 $_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] ); 230 $color = preg_replace( '/[^0-9a-fA-F]/', '', $_POST['text-color'] ); 231 if ( strlen( $color ) == 6 || strlen( $color ) == 3 ) { 232 set_theme_mod( 'header_textcolor', $color ); 233 } elseif ( ! $color ) { 234 set_theme_mod( 'header_textcolor', 'blank' ); 235 } 236 } 237 238 if ( isset( $_POST['default-header'] ) ) { 239 check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); 240 $this->set_header_image( $_POST['default-header'] ); 241 return; 242 } 243 } 244 245 /** 246 * Process the default headers 247 * 248 * @since 3.0.0 249 * 250 * @global array $_wp_default_headers 251 */ 252 public function process_default_headers() { 253 global $_wp_default_headers; 254 255 if ( ! isset( $_wp_default_headers ) ) { 256 return; 257 } 258 259 if ( ! empty( $this->default_headers ) ) { 260 return; 261 } 262 263 $this->default_headers = $_wp_default_headers; 264 $template_directory_uri = get_template_directory_uri(); 265 $stylesheet_directory_uri = get_stylesheet_directory_uri(); 266 foreach ( array_keys( $this->default_headers ) as $header ) { 267 $this->default_headers[ $header ]['url'] = sprintf( $this->default_headers[ $header ]['url'], $template_directory_uri, $stylesheet_directory_uri ); 268 $this->default_headers[ $header ]['thumbnail_url'] = sprintf( $this->default_headers[ $header ]['thumbnail_url'], $template_directory_uri, $stylesheet_directory_uri ); 269 } 270 } 271 272 /** 273 * Display UI for selecting one of several default headers. 274 * 275 * Show the random image option if this theme has multiple header images. 276 * Random image option is on by default if no header has been set. 277 * 278 * @since 3.0.0 279 * 280 * @param string $type The header type. One of 'default' (for the Uploaded Images control) 281 * or 'uploaded' (for the Uploaded Images control). 282 */ 283 public function show_header_selector( $type = 'default' ) { 284 if ( 'default' === $type ) { 285 $headers = $this->default_headers; 286 } else { 287 $headers = get_uploaded_header_images(); 288 $type = 'uploaded'; 289 } 290 291 if ( 1 < count( $headers ) ) { 292 echo '<div class="random-header">'; 293 echo '<label><input name="default-header" type="radio" value="random-' . $type . '-image"' . checked( is_random_header_image( $type ), true, false ) . ' />'; 294 _e( '<strong>Random:</strong> Show a different image on each page.' ); 295 echo '</label>'; 296 echo '</div>'; 297 } 298 299 echo '<div class="available-headers">'; 300 foreach ( $headers as $header_key => $header ) { 301 $header_thumbnail = $header['thumbnail_url']; 302 $header_url = $header['url']; 303 $header_alt_text = empty( $header['alt_text'] ) ? '' : $header['alt_text']; 304 echo '<div class="default-header">'; 305 echo '<label><input name="default-header" type="radio" value="' . esc_attr( $header_key ) . '" ' . checked( $header_url, get_theme_mod( 'header_image' ), false ) . ' />'; 306 $width = ''; 307 if ( ! empty( $header['attachment_id'] ) ) { 308 $width = ' width="230"'; 309 } 310 echo '<img src="' . set_url_scheme( $header_thumbnail ) . '" alt="' . esc_attr( $header_alt_text ) . '"' . $width . ' /></label>'; 311 echo '</div>'; 312 } 313 echo '<div class="clear"></div></div>'; 314 } 315 316 /** 317 * Execute JavaScript depending on step. 318 * 319 * @since 2.1.0 320 */ 321 public function js() { 322 $step = $this->step(); 323 if ( ( 1 == $step || 3 == $step ) && current_theme_supports( 'custom-header', 'header-text' ) ) { 324 $this->js_1(); 325 } elseif ( 2 == $step ) { 326 $this->js_2(); 327 } 328 } 329 330 /** 331 * Display JavaScript based on Step 1 and 3. 332 * 333 * @since 2.6.0 334 */ 335 public function js_1() { 336 $default_color = ''; 337 if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) { 338 $default_color = get_theme_support( 'custom-header', 'default-text-color' ); 339 if ( $default_color && false === strpos( $default_color, '#' ) ) { 340 $default_color = '#' . $default_color; 341 } 342 } 343 ?> 344 <script type="text/javascript"> 345 (function($){ 346 var default_color = '<?php echo $default_color; ?>', 347 header_text_fields; 348 349 function pickColor(color) { 350 $('#name').css('color', color); 351 $('#desc').css('color', color); 352 $('#text-color').val(color); 353 } 354 355 function toggle_text() { 356 var checked = $('#display-header-text').prop('checked'), 357 text_color; 358 header_text_fields.toggle( checked ); 359 if ( ! checked ) 360 return; 361 text_color = $('#text-color'); 362 if ( '' === text_color.val().replace('#', '') ) { 363 text_color.val( default_color ); 364 pickColor( default_color ); 365 } else { 366 pickColor( text_color.val() ); 367 } 368 } 369 370 $(document).ready(function() { 371 var text_color = $('#text-color'); 372 header_text_fields = $('.displaying-header-text'); 373 text_color.wpColorPicker({ 374 change: function( event, ui ) { 375 pickColor( text_color.wpColorPicker('color') ); 376 }, 377 clear: function() { 378 pickColor( '' ); 379 } 380 }); 381 $('#display-header-text').click( toggle_text ); 382 <?php if ( ! display_header_text() ) : ?> 383 toggle_text(); 384 <?php endif; ?> 385 }); 386 })(jQuery); 387 </script> 388 <?php 389 } 390 391 /** 392 * Display JavaScript based on Step 2. 393 * 394 * @since 2.6.0 395 */ 396 public function js_2() { 397 398 ?> 399 <script type="text/javascript"> 400 function onEndCrop( coords ) { 401 jQuery( '#x1' ).val(coords.x); 402 jQuery( '#y1' ).val(coords.y); 403 jQuery( '#width' ).val(coords.w); 404 jQuery( '#height' ).val(coords.h); 405 } 406 407 jQuery(document).ready(function() { 408 var xinit = <?php echo absint( get_theme_support( 'custom-header', 'width' ) ); ?>; 409 var yinit = <?php echo absint( get_theme_support( 'custom-header', 'height' ) ); ?>; 410 var ratio = xinit / yinit; 411 var ximg = jQuery('img#upload').width(); 412 var yimg = jQuery('img#upload').height(); 413 414 if ( yimg < yinit || ximg < xinit ) { 415 if ( ximg / yimg > ratio ) { 416 yinit = yimg; 417 xinit = yinit * ratio; 418 } else { 419 xinit = ximg; 420 yinit = xinit / ratio; 421 } 422 } 423 424 jQuery('img#upload').imgAreaSelect({ 425 handles: true, 426 keys: true, 427 show: true, 428 x1: 0, 429 y1: 0, 430 x2: xinit, 431 y2: yinit, 432 <?php 433 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 434 ?> 435 aspectRatio: xinit + ':' + yinit, 436 <?php 437 } 438 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) ) { 439 ?> 440 maxHeight: <?php echo get_theme_support( 'custom-header', 'height' ); ?>, 441 <?php 442 } 443 if ( ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 444 ?> 445 maxWidth: <?php echo get_theme_support( 'custom-header', 'width' ); ?>, 446 <?php 447 } 448 ?> 449 onInit: function () { 450 jQuery('#width').val(xinit); 451 jQuery('#height').val(yinit); 452 }, 453 onSelectChange: function(img, c) { 454 jQuery('#x1').val(c.x1); 455 jQuery('#y1').val(c.y1); 456 jQuery('#width').val(c.width); 457 jQuery('#height').val(c.height); 458 } 459 }); 460 }); 461 </script> 462 <?php 463 } 464 465 /** 466 * Display first step of custom header image page. 467 * 468 * @since 2.1.0 469 */ 470 public function step_1() { 471 $this->process_default_headers(); 472 ?> 473 474 <div class="wrap"> 475 <h1><?php _e( 'Custom Header' ); ?></h1> 476 477 <?php if ( current_user_can( 'customize' ) ) { ?> 478 <div class="notice notice-info hide-if-no-customize"> 479 <p> 480 <?php 481 printf( 482 /* translators: %s: URL to header image configuration in Customizer. */ 483 __( 'You can now manage and live-preview Custom Header in the <a href="%s">Customizer</a>.' ), 484 admin_url( 'customize.php?autofocus[control]=header_image' ) 485 ); 486 ?> 487 </p> 488 </div> 489 <?php } ?> 490 491 <?php if ( ! empty( $this->updated ) ) { ?> 492 <div id="message" class="updated"> 493 <p> 494 <?php 495 /* translators: %s: Home URL. */ 496 printf( __( 'Header updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); 497 ?> 498 </p> 499 </div> 500 <?php } ?> 501 502 <h2><?php _e( 'Header Image' ); ?></h2> 503 504 <table class="form-table" role="presentation"> 505 <tbody> 506 507 <?php if ( get_custom_header() || display_header_text() ) : ?> 508 <tr> 509 <th scope="row"><?php _e( 'Preview' ); ?></th> 510 <td> 511 <?php 512 if ( $this->admin_image_div_callback ) { 513 call_user_func( $this->admin_image_div_callback ); 514 } else { 515 $custom_header = get_custom_header(); 516 $header_image = get_header_image(); 517 518 if ( $header_image ) { 519 $header_image_style = 'background-image:url(' . esc_url( $header_image ) . ');'; 520 } else { 521 $header_image_style = ''; 522 } 523 524 if ( $custom_header->width ) { 525 $header_image_style .= 'max-width:' . $custom_header->width . 'px;'; 526 } 527 if ( $custom_header->height ) { 528 $header_image_style .= 'height:' . $custom_header->height . 'px;'; 529 } 530 ?> 531 <div id="headimg" style="<?php echo $header_image_style; ?>"> 532 <?php 533 if ( display_header_text() ) { 534 $style = ' style="color:#' . get_header_textcolor() . ';"'; 535 } else { 536 $style = ' style="display:none;"'; 537 } 538 ?> 539 <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> 540 <div id="desc" class="displaying-header-text" <?php echo $style; ?>><?php bloginfo( 'description' ); ?></div> 541 </div> 542 <?php } ?> 543 </td> 544 </tr> 545 <?php endif; ?> 546 547 <?php if ( current_user_can( 'upload_files' ) && current_theme_supports( 'custom-header', 'uploads' ) ) : ?> 548 <tr> 549 <th scope="row"><?php _e( 'Select Image' ); ?></th> 550 <td> 551 <p><?php _e( 'You can select an image to be shown at the top of your site by uploading from your computer or choosing from your media library. After selecting an image you will be able to crop it.' ); ?><br /> 552 <?php 553 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 554 /* translators: 1: Image width in pixels, 2: Image height in pixels. */ 555 printf( __( 'Images of exactly <strong>%1$d × %2$d pixels</strong> will be used as-is.' ) . '<br />', get_theme_support( 'custom-header', 'width' ), get_theme_support( 'custom-header', 'height' ) ); 556 } elseif ( current_theme_supports( 'custom-header', 'flex-height' ) ) { 557 if ( ! current_theme_supports( 'custom-header', 'flex-width' ) ) { 558 printf( 559 /* translators: %s: Size in pixels. */ 560 __( 'Images should be at least %s wide.' ) . ' ', 561 sprintf( 562 /* translators: %d: Custom header width. */ 563 '<strong>' . __( '%d pixels' ) . '</strong>', 564 get_theme_support( 'custom-header', 'width' ) 565 ) 566 ); 567 } 568 } elseif ( current_theme_supports( 'custom-header', 'flex-width' ) ) { 569 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) ) { 570 printf( 571 /* translators: %s: Size in pixels. */ 572 __( 'Images should be at least %s tall.' ) . ' ', 573 sprintf( 574 /* translators: %d: Custom header height. */ 575 '<strong>' . __( '%d pixels' ) . '</strong>', 576 get_theme_support( 'custom-header', 'height' ) 577 ) 578 ); 579 } 580 } 581 if ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) { 582 if ( current_theme_supports( 'custom-header', 'width' ) ) { 583 printf( 584 /* translators: %s: Size in pixels. */ 585 __( 'Suggested width is %s.' ) . ' ', 586 sprintf( 587 /* translators: %d: Custom header width. */ 588 '<strong>' . __( '%d pixels' ) . '</strong>', 589 get_theme_support( 'custom-header', 'width' ) 590 ) 591 ); 592 } 593 if ( current_theme_supports( 'custom-header', 'height' ) ) { 594 printf( 595 /* translators: %s: Size in pixels. */ 596 __( 'Suggested height is %s.' ) . ' ', 597 sprintf( 598 /* translators: %d: Custom header height. */ 599 '<strong>' . __( '%d pixels' ) . '</strong>', 600 get_theme_support( 'custom-header', 'height' ) 601 ) 602 ); 603 } 604 } 605 ?> 606 </p> 607 <form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post" action="<?php echo esc_url( add_query_arg( 'step', 2 ) ); ?>"> 608 <p> 609 <label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br /> 610 <input type="file" id="upload" name="import" /> 611 <input type="hidden" name="action" value="save" /> 612 <?php wp_nonce_field( 'custom-header-upload', '_wpnonce-custom-header-upload' ); ?> 613 <?php submit_button( __( 'Upload' ), '', 'submit', false ); ?> 614 </p> 615 <?php 616 $modal_update_href = esc_url( 617 add_query_arg( 618 array( 619 'page' => 'custom-header', 620 'step' => 2, 621 '_wpnonce-custom-header-upload' => wp_create_nonce( 'custom-header-upload' ), 622 ), 623 admin_url( 'themes.php' ) 624 ) 625 ); 626 ?> 627 <p> 628 <label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br /> 629 <button id="choose-from-library-link" class="button" 630 data-update-link="<?php echo esc_attr( $modal_update_href ); ?>" 631 data-choose="<?php esc_attr_e( 'Choose a Custom Header' ); ?>" 632 data-update="<?php esc_attr_e( 'Set as header' ); ?>"><?php _e( 'Choose Image' ); ?></button> 633 </p> 634 </form> 635 </td> 636 </tr> 637 <?php endif; ?> 638 </tbody> 639 </table> 640 641 <form method="post" action="<?php echo esc_url( add_query_arg( 'step', 1 ) ); ?>"> 642 <?php submit_button( null, 'screen-reader-text', 'save-header-options', false ); ?> 643 <table class="form-table" role="presentation"> 644 <tbody> 645 <?php if ( get_uploaded_header_images() ) : ?> 646 <tr> 647 <th scope="row"><?php _e( 'Uploaded Images' ); ?></th> 648 <td> 649 <p><?php _e( 'You can choose one of your previously uploaded headers, or show a random one.' ); ?></p> 650 <?php 651 $this->show_header_selector( 'uploaded' ); 652 ?> 653 </td> 654 </tr> 655 <?php 656 endif; 657 if ( ! empty( $this->default_headers ) ) : 658 ?> 659 <tr> 660 <th scope="row"><?php _e( 'Default Images' ); ?></th> 661 <td> 662 <?php if ( current_theme_supports( 'custom-header', 'uploads' ) ) : ?> 663 <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> 664 <?php else : ?> 665 <p><?php _e( 'You can use one of these cool headers or show a random one on each page.' ); ?></p> 666 <?php endif; ?> 667 <?php 668 $this->show_header_selector( 'default' ); 669 ?> 670 </td> 671 </tr> 672 <?php 673 endif; 674 if ( get_header_image() ) : 675 ?> 676 <tr> 677 <th scope="row"><?php _e( 'Remove Image' ); ?></th> 678 <td> 679 <p><?php _e( 'This will remove the header image. You will not be able to restore any customizations.' ); ?></p> 680 <?php submit_button( __( 'Remove Header Image' ), '', 'removeheader', false ); ?> 681 </td> 682 </tr> 683 <?php 684 endif; 685 686 $default_image = sprintf( get_theme_support( 'custom-header', 'default-image' ), get_template_directory_uri(), get_stylesheet_directory_uri() ); 687 if ( $default_image && get_header_image() != $default_image ) : 688 ?> 689 <tr> 690 <th scope="row"><?php _e( 'Reset Image' ); ?></th> 691 <td> 692 <p><?php _e( 'This will restore the original header image. You will not be able to restore any customizations.' ); ?></p> 693 <?php submit_button( __( 'Restore Original Header Image' ), '', 'resetheader', false ); ?> 694 </td> 695 </tr> 696 <?php endif; ?> 697 </tbody> 698 </table> 699 700 <?php if ( current_theme_supports( 'custom-header', 'header-text' ) ) : ?> 701 702 <h2><?php _e( 'Header Text' ); ?></h2> 703 704 <table class="form-table" role="presentation"> 705 <tbody> 706 <tr> 707 <th scope="row"><?php _e( 'Header Text' ); ?></th> 708 <td> 709 <p> 710 <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> 711 </p> 712 </td> 713 </tr> 714 715 <tr class="displaying-header-text"> 716 <th scope="row"><?php _e( 'Text Color' ); ?></th> 717 <td> 718 <p> 719 <?php 720 $default_color = ''; 721 if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) { 722 $default_color = get_theme_support( 'custom-header', 'default-text-color' ); 723 if ( $default_color && false === strpos( $default_color, '#' ) ) { 724 $default_color = '#' . $default_color; 725 } 726 } 727 728 $default_color_attr = $default_color ? ' data-default-color="' . esc_attr( $default_color ) . '"' : ''; 729 730 $header_textcolor = display_header_text() ? get_header_textcolor() : get_theme_support( 'custom-header', 'default-text-color' ); 731 if ( $header_textcolor && false === strpos( $header_textcolor, '#' ) ) { 732 $header_textcolor = '#' . $header_textcolor; 733 } 734 735 echo '<input type="text" name="text-color" id="text-color" value="' . esc_attr( $header_textcolor ) . '"' . $default_color_attr . ' />'; 736 if ( $default_color ) { 737 /* translators: %s: Default text color. */ 738 echo ' <span class="description hide-if-js">' . sprintf( _x( 'Default: %s', 'color' ), esc_html( $default_color ) ) . '</span>'; 739 } 740 ?> 741 </p> 742 </td> 743 </tr> 744 </tbody> 745 </table> 746 <?php 747 endif; 748 749 /** 750 * Fires just before the submit button in the custom header options form. 751 * 752 * @since 3.1.0 753 */ 754 do_action( 'custom_header_options' ); 755 756 wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); 757 ?> 758 759 <?php submit_button( null, 'primary', 'save-header-options' ); ?> 760 </form> 761 </div> 762 763 <?php 764 } 765 766 /** 767 * Display second step of custom header image page. 768 * 769 * @since 2.1.0 770 */ 771 public function step_2() { 772 check_admin_referer( 'custom-header-upload', '_wpnonce-custom-header-upload' ); 773 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 774 wp_die( 775 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 776 '<p>' . __( 'The current theme does not support uploading a custom header image.' ) . '</p>', 777 403 778 ); 779 } 780 781 if ( empty( $_POST ) && isset( $_GET['file'] ) ) { 782 $attachment_id = absint( $_GET['file'] ); 783 $file = get_attached_file( $attachment_id, true ); 784 $url = wp_get_attachment_image_src( $attachment_id, 'full' ); 785 $url = $url[0]; 786 } elseif ( isset( $_POST ) ) { 787 $data = $this->step_2_manage_upload(); 788 $attachment_id = $data['attachment_id']; 789 $file = $data['file']; 790 $url = $data['url']; 791 } 792 793 if ( file_exists( $file ) ) { 794 list( $width, $height, $type, $attr ) = @getimagesize( $file ); 795 } else { 796 $data = wp_get_attachment_metadata( $attachment_id ); 797 $height = isset( $data['height'] ) ? $data['height'] : 0; 798 $width = isset( $data['width'] ) ? $data['width'] : 0; 799 unset( $data ); 800 } 801 802 $max_width = 0; 803 // For flex, limit size of image displayed to 1500px unless theme says otherwise. 804 if ( current_theme_supports( 'custom-header', 'flex-width' ) ) { 805 $max_width = 1500; 806 } 807 808 if ( current_theme_supports( 'custom-header', 'max-width' ) ) { 809 $max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) ); 810 } 811 $max_width = max( $max_width, get_theme_support( 'custom-header', 'width' ) ); 812 813 // If flexible height isn't supported and the image is the exact right size. 814 if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) 815 && get_theme_support( 'custom-header', 'width' ) == $width && get_theme_support( 'custom-header', 'height' ) == $height ) { 816 // Add the metadata. 817 if ( file_exists( $file ) ) { 818 wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) ); 819 } 820 821 $this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) ); 822 823 /** 824 * Fires after the header image is set or an error is returned. 825 * 826 * @since 2.1.0 827 * 828 * @param string $file Path to the file. 829 * @param int $attachment_id Attachment ID. 830 */ 831 do_action( 'wp_create_file_in_uploads', $file, $attachment_id ); // For replication. 832 833 return $this->finished(); 834 } elseif ( $width > $max_width ) { 835 $oitar = $width / $max_width; 836 $image = wp_crop_image( $attachment_id, 0, 0, $width, $height, $max_width, $height / $oitar, false, str_replace( wp_basename( $file ), 'midsize-' . wp_basename( $file ), $file ) ); 837 if ( ! $image || is_wp_error( $image ) ) { 838 wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) ); 839 } 840 841 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 842 $image = apply_filters( 'wp_create_file_in_uploads', $image, $attachment_id ); // For replication. 843 844 $url = str_replace( wp_basename( $url ), wp_basename( $image ), $url ); 845 $width = $width / $oitar; 846 $height = $height / $oitar; 847 } else { 848 $oitar = 1; 849 } 850 ?> 851 852 <div class="wrap"> 853 <h1><?php _e( 'Crop Header Image' ); ?></h1> 854 855 <form method="post" action="<?php echo esc_url( add_query_arg( 'step', 3 ) ); ?>"> 856 <p class="hide-if-no-js"><?php _e( 'Choose the part of the image you want to use as your header.' ); ?></p> 857 <p class="hide-if-js"><strong><?php _e( 'You need JavaScript to choose a part of the image.' ); ?></strong></p> 858 859 <div id="crop_image" style="position: relative"> 860 <img src="<?php echo esc_url( $url ); ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" alt="" /> 861 </div> 862 863 <input type="hidden" name="x1" id="x1" value="0"/> 864 <input type="hidden" name="y1" id="y1" value="0"/> 865 <input type="hidden" name="width" id="width" value="<?php echo esc_attr( $width ); ?>"/> 866 <input type="hidden" name="height" id="height" value="<?php echo esc_attr( $height ); ?>"/> 867 <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr( $attachment_id ); ?>" /> 868 <input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr( $oitar ); ?>" /> 869 <?php if ( empty( $_POST ) && isset( $_GET['file'] ) ) { ?> 870 <input type="hidden" name="create-new-attachment" value="true" /> 871 <?php } ?> 872 <?php wp_nonce_field( 'custom-header-crop-image' ); ?> 873 874 <p class="submit"> 875 <?php submit_button( __( 'Crop and Publish' ), 'primary', 'submit', false ); ?> 876 <?php 877 if ( isset( $oitar ) && 1 == $oitar && ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) ) { 878 submit_button( __( 'Skip Cropping, Publish Image as Is' ), '', 'skip-cropping', false ); 879 } 880 ?> 881 </p> 882 </form> 883 </div> 884 <?php 885 } 886 887 888 /** 889 * Upload the file to be cropped in the second step. 890 * 891 * @since 3.4.0 892 */ 893 public function step_2_manage_upload() { 894 $overrides = array( 'test_form' => false ); 895 896 $uploaded_file = $_FILES['import']; 897 $wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] ); 898 if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) { 899 wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) ); 900 } 901 902 $file = wp_handle_upload( $uploaded_file, $overrides ); 903 904 if ( isset( $file['error'] ) ) { 905 wp_die( $file['error'], __( 'Image Upload Error' ) ); 906 } 907 908 $url = $file['url']; 909 $type = $file['type']; 910 $file = $file['file']; 911 $filename = wp_basename( $file ); 912 913 // Construct the object array. 914 $object = array( 915 'post_title' => $filename, 916 'post_content' => $url, 917 'post_mime_type' => $type, 918 'guid' => $url, 919 'context' => 'custom-header', 920 ); 921 922 // Save the data. 923 $attachment_id = wp_insert_attachment( $object, $file ); 924 return compact( 'attachment_id', 'file', 'filename', 'url', 'type' ); 925 } 926 927 /** 928 * Display third step of custom header image page. 929 * 930 * @since 2.1.0 931 * @since 4.4.0 Switched to using wp_get_attachment_url() instead of the guid 932 * for retrieving the header image URL. 933 */ 934 public function step_3() { 935 check_admin_referer( 'custom-header-crop-image' ); 936 937 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 938 wp_die( 939 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 940 '<p>' . __( 'The current theme does not support uploading a custom header image.' ) . '</p>', 941 403 942 ); 943 } 944 945 if ( ! empty( $_POST['skip-cropping'] ) && ! ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) ) { 946 wp_die( 947 '<h1>' . __( 'Something went wrong.' ) . '</h1>' . 948 '<p>' . __( 'The current theme does not support a flexible sized header image.' ) . '</p>', 949 403 950 ); 951 } 952 953 if ( $_POST['oitar'] > 1 ) { 954 $_POST['x1'] = $_POST['x1'] * $_POST['oitar']; 955 $_POST['y1'] = $_POST['y1'] * $_POST['oitar']; 956 $_POST['width'] = $_POST['width'] * $_POST['oitar']; 957 $_POST['height'] = $_POST['height'] * $_POST['oitar']; 958 } 959 960 $attachment_id = absint( $_POST['attachment_id'] ); 961 $original = get_attached_file( $attachment_id ); 962 963 $dimensions = $this->get_header_dimensions( 964 array( 965 'height' => $_POST['height'], 966 'width' => $_POST['width'], 967 ) 968 ); 969 $height = $dimensions['dst_height']; 970 $width = $dimensions['dst_width']; 971 972 if ( empty( $_POST['skip-cropping'] ) ) { 973 $cropped = wp_crop_image( $attachment_id, (int) $_POST['x1'], (int) $_POST['y1'], (int) $_POST['width'], (int) $_POST['height'], $width, $height ); 974 } elseif ( ! empty( $_POST['create-new-attachment'] ) ) { 975 $cropped = _copy_image_file( $attachment_id ); 976 } else { 977 $cropped = get_attached_file( $attachment_id ); 978 } 979 980 if ( ! $cropped || is_wp_error( $cropped ) ) { 981 wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) ); 982 } 983 984 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 985 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 986 987 $object = $this->create_attachment_object( $cropped, $attachment_id ); 988 989 if ( ! empty( $_POST['create-new-attachment'] ) ) { 990 unset( $object['ID'] ); 991 } 992 993 // Update the attachment. 994 $attachment_id = $this->insert_attachment( $object, $cropped ); 995 996 $url = wp_get_attachment_url( $attachment_id ); 997 $this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) ); 998 999 // Cleanup. 1000 $medium = str_replace( wp_basename( $original ), 'midsize-' . wp_basename( $original ), $original ); 1001 if ( file_exists( $medium ) ) { 1002 wp_delete_file( $medium ); 1003 } 1004 1005 if ( empty( $_POST['create-new-attachment'] ) && empty( $_POST['skip-cropping'] ) ) { 1006 wp_delete_file( $original ); 1007 } 1008 1009 return $this->finished(); 1010 } 1011 1012 /** 1013 * Display last step of custom header image page. 1014 * 1015 * @since 2.1.0 1016 */ 1017 public function finished() { 1018 $this->updated = true; 1019 $this->step_1(); 1020 } 1021 1022 /** 1023 * Display the page based on the current step. 1024 * 1025 * @since 2.1.0 1026 */ 1027 public function admin_page() { 1028 if ( ! current_user_can( 'edit_theme_options' ) ) { 1029 wp_die( __( 'Sorry, you are not allowed to customize headers.' ) ); 1030 } 1031 $step = $this->step(); 1032 if ( 2 == $step ) { 1033 $this->step_2(); 1034 } elseif ( 3 == $step ) { 1035 $this->step_3(); 1036 } else { 1037 $this->step_1(); 1038 } 1039 } 1040 1041 /** 1042 * Unused since 3.5.0. 1043 * 1044 * @since 3.4.0 1045 * 1046 * @param array $form_fields 1047 * @return array $form_fields 1048 */ 1049 public function attachment_fields_to_edit( $form_fields ) { 1050 return $form_fields; 1051 } 1052 1053 /** 1054 * Unused since 3.5.0. 1055 * 1056 * @since 3.4.0 1057 * 1058 * @param array $tabs 1059 * @return array $tabs 1060 */ 1061 public function filter_upload_tabs( $tabs ) { 1062 return $tabs; 1063 } 1064 1065 /** 1066 * Choose a header image, selected from existing uploaded and default headers, 1067 * or provide an array of uploaded header data (either new, or from media library). 1068 * 1069 * @since 3.4.0 1070 * 1071 * @param mixed $choice Which header image to select. Allows for values of 'random-default-image', 1072 * for randomly cycling among the default images; 'random-uploaded-image', for randomly cycling 1073 * among the uploaded images; the key of a default image registered for that theme; and 1074 * the key of an image uploaded for that theme (the attachment ID of the image). 1075 * Or an array of arguments: attachment_id, url, width, height. All are required. 1076 */ 1077 final public function set_header_image( $choice ) { 1078 if ( is_array( $choice ) || is_object( $choice ) ) { 1079 $choice = (array) $choice; 1080 if ( ! isset( $choice['attachment_id'] ) || ! isset( $choice['url'] ) ) { 1081 return; 1082 } 1083 1084 $choice['url'] = esc_url_raw( $choice['url'] ); 1085 1086 $header_image_data = (object) array( 1087 'attachment_id' => $choice['attachment_id'], 1088 'url' => $choice['url'], 1089 'thumbnail_url' => $choice['url'], 1090 'height' => $choice['height'], 1091 'width' => $choice['width'], 1092 ); 1093 1094 update_post_meta( $choice['attachment_id'], '_wp_attachment_is_custom_header', get_stylesheet() ); 1095 set_theme_mod( 'header_image', $choice['url'] ); 1096 set_theme_mod( 'header_image_data', $header_image_data ); 1097 return; 1098 } 1099 1100 if ( in_array( $choice, array( 'remove-header', 'random-default-image', 'random-uploaded-image' ), true ) ) { 1101 set_theme_mod( 'header_image', $choice ); 1102 remove_theme_mod( 'header_image_data' ); 1103 return; 1104 } 1105 1106 $uploaded = get_uploaded_header_images(); 1107 if ( $uploaded && isset( $uploaded[ $choice ] ) ) { 1108 $header_image_data = $uploaded[ $choice ]; 1109 1110 } else { 1111 $this->process_default_headers(); 1112 if ( isset( $this->default_headers[ $choice ] ) ) { 1113 $header_image_data = $this->default_headers[ $choice ]; 1114 } else { 1115 return; 1116 } 1117 } 1118 1119 set_theme_mod( 'header_image', esc_url_raw( $header_image_data['url'] ) ); 1120 set_theme_mod( 'header_image_data', $header_image_data ); 1121 } 1122 1123 /** 1124 * Remove a header image. 1125 * 1126 * @since 3.4.0 1127 */ 1128 final public function remove_header_image() { 1129 $this->set_header_image( 'remove-header' ); 1130 } 1131 1132 /** 1133 * Reset a header image to the default image for the theme. 1134 * 1135 * This method does not do anything if the theme does not have a default header image. 1136 * 1137 * @since 3.4.0 1138 */ 1139 final public function reset_header_image() { 1140 $this->process_default_headers(); 1141 $default = get_theme_support( 'custom-header', 'default-image' ); 1142 1143 if ( ! $default ) { 1144 $this->remove_header_image(); 1145 return; 1146 } 1147 $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); 1148 1149 $default_data = array(); 1150 foreach ( $this->default_headers as $header => $details ) { 1151 if ( $details['url'] == $default ) { 1152 $default_data = $details; 1153 break; 1154 } 1155 } 1156 1157 set_theme_mod( 'header_image', $default ); 1158 set_theme_mod( 'header_image_data', (object) $default_data ); 1159 } 1160 1161 /** 1162 * Calculate width and height based on what the currently selected theme supports. 1163 * 1164 * @since 3.9.0 1165 * 1166 * @param array $dimensions 1167 * @return array dst_height and dst_width of header image. 1168 */ 1169 final public function get_header_dimensions( $dimensions ) { 1170 $max_width = 0; 1171 $width = absint( $dimensions['width'] ); 1172 $height = absint( $dimensions['height'] ); 1173 $theme_height = get_theme_support( 'custom-header', 'height' ); 1174 $theme_width = get_theme_support( 'custom-header', 'width' ); 1175 $has_flex_width = current_theme_supports( 'custom-header', 'flex-width' ); 1176 $has_flex_height = current_theme_supports( 'custom-header', 'flex-height' ); 1177 $has_max_width = current_theme_supports( 'custom-header', 'max-width' ); 1178 $dst = array( 1179 'dst_height' => null, 1180 'dst_width' => null, 1181 ); 1182 1183 // For flex, limit size of image displayed to 1500px unless theme says otherwise. 1184 if ( $has_flex_width ) { 1185 $max_width = 1500; 1186 } 1187 1188 if ( $has_max_width ) { 1189 $max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) ); 1190 } 1191 $max_width = max( $max_width, $theme_width ); 1192 1193 if ( $has_flex_height && ( ! $has_flex_width || $width > $max_width ) ) { 1194 $dst['dst_height'] = absint( $height * ( $max_width / $width ) ); 1195 } elseif ( $has_flex_height && $has_flex_width ) { 1196 $dst['dst_height'] = $height; 1197 } else { 1198 $dst['dst_height'] = $theme_height; 1199 } 1200 1201 if ( $has_flex_width && ( ! $has_flex_height || $width > $max_width ) ) { 1202 $dst['dst_width'] = absint( $width * ( $max_width / $width ) ); 1203 } elseif ( $has_flex_width && $has_flex_height ) { 1204 $dst['dst_width'] = $width; 1205 } else { 1206 $dst['dst_width'] = $theme_width; 1207 } 1208 1209 return $dst; 1210 } 1211 1212 /** 1213 * Create an attachment 'object'. 1214 * 1215 * @since 3.9.0 1216 * 1217 * @param string $cropped Cropped image URL. 1218 * @param int $parent_attachment_id Attachment ID of parent image. 1219 * @return array Attachment object. 1220 */ 1221 final public function create_attachment_object( $cropped, $parent_attachment_id ) { 1222 $parent = get_post( $parent_attachment_id ); 1223 $parent_url = wp_get_attachment_url( $parent->ID ); 1224 $url = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url ); 1225 1226 $size = @getimagesize( $cropped ); 1227 $image_type = ( $size ) ? $size['mime'] : 'image/jpeg'; 1228 1229 $object = array( 1230 'ID' => $parent_attachment_id, 1231 'post_title' => wp_basename( $cropped ), 1232 'post_mime_type' => $image_type, 1233 'guid' => $url, 1234 'context' => 'custom-header', 1235 'post_parent' => $parent_attachment_id, 1236 ); 1237 1238 return $object; 1239 } 1240 1241 /** 1242 * Insert an attachment and its metadata. 1243 * 1244 * @since 3.9.0 1245 * 1246 * @param array $object Attachment object. 1247 * @param string $cropped File path to cropped image. 1248 * @return int Attachment ID. 1249 */ 1250 final public function insert_attachment( $object, $cropped ) { 1251 $parent_id = isset( $object['post_parent'] ) ? $object['post_parent'] : null; 1252 unset( $object['post_parent'] ); 1253 1254 $attachment_id = wp_insert_attachment( $object, $cropped ); 1255 $metadata = wp_generate_attachment_metadata( $attachment_id, $cropped ); 1256 1257 // If this is a crop, save the original attachment ID as metadata. 1258 if ( $parent_id ) { 1259 $metadata['attachment_parent'] = $parent_id; 1260 } 1261 1262 /** 1263 * Filters the header image attachment metadata. 1264 * 1265 * @since 3.9.0 1266 * 1267 * @see wp_generate_attachment_metadata() 1268 * 1269 * @param array $metadata Attachment metadata. 1270 */ 1271 $metadata = apply_filters( 'wp_header_image_attachment_metadata', $metadata ); 1272 1273 wp_update_attachment_metadata( $attachment_id, $metadata ); 1274 1275 return $attachment_id; 1276 } 1277 1278 /** 1279 * Gets attachment uploaded by Media Manager, crops it, then saves it as a 1280 * new object. Returns JSON-encoded object details. 1281 * 1282 * @since 3.9.0 1283 */ 1284 public function ajax_header_crop() { 1285 check_ajax_referer( 'image_editor-' . $_POST['id'], 'nonce' ); 1286 1287 if ( ! current_user_can( 'edit_theme_options' ) ) { 1288 wp_send_json_error(); 1289 } 1290 1291 if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) { 1292 wp_send_json_error(); 1293 } 1294 1295 $crop_details = $_POST['cropDetails']; 1296 1297 $dimensions = $this->get_header_dimensions( 1298 array( 1299 'height' => $crop_details['height'], 1300 'width' => $crop_details['width'], 1301 ) 1302 ); 1303 1304 $attachment_id = absint( $_POST['id'] ); 1305 1306 $cropped = wp_crop_image( 1307 $attachment_id, 1308 (int) $crop_details['x1'], 1309 (int) $crop_details['y1'], 1310 (int) $crop_details['width'], 1311 (int) $crop_details['height'], 1312 (int) $dimensions['dst_width'], 1313 (int) $dimensions['dst_height'] 1314 ); 1315 1316 if ( ! $cropped || is_wp_error( $cropped ) ) { 1317 wp_send_json_error( array( 'message' => __( 'Image could not be processed. Please go back and try again.' ) ) ); 1318 } 1319 1320 /** This filter is documented in wp-admin/includes/class-custom-image-header.php */ 1321 $cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication. 1322 1323 $object = $this->create_attachment_object( $cropped, $attachment_id ); 1324 1325 $previous = $this->get_previous_crop( $object ); 1326 1327 if ( $previous ) { 1328 $object['ID'] = $previous; 1329 } else { 1330 unset( $object['ID'] ); 1331 } 1332 1333 $new_attachment_id = $this->insert_attachment( $object, $cropped ); 1334 1335 $object['attachment_id'] = $new_attachment_id; 1336 $object['url'] = wp_get_attachment_url( $new_attachment_id ); 1337 1338 $object['width'] = $dimensions['dst_width']; 1339 $object['height'] = $dimensions['dst_height']; 1340 1341 wp_send_json_success( $object ); 1342 } 1343 1344 /** 1345 * Given an attachment ID for a header image, updates its "last used" 1346 * timestamp to now. 1347 * 1348 * Triggered when the user tries adds a new header image from the 1349 * Media Manager, even if s/he doesn't save that change. 1350 * 1351 * @since 3.9.0 1352 */ 1353 public function ajax_header_add() { 1354 check_ajax_referer( 'header-add', 'nonce' ); 1355 1356 if ( ! current_user_can( 'edit_theme_options' ) ) { 1357 wp_send_json_error(); 1358 } 1359 1360 $attachment_id = absint( $_POST['attachment_id'] ); 1361 if ( $attachment_id < 1 ) { 1362 wp_send_json_error(); 1363 } 1364 1365 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1366 update_post_meta( $attachment_id, $key, time() ); 1367 update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() ); 1368 1369 wp_send_json_success(); 1370 } 1371 1372 /** 1373 * Given an attachment ID for a header image, unsets it as a user-uploaded 1374 * header image for the current theme. 1375 * 1376 * Triggered when the user clicks the overlay "X" button next to each image 1377 * choice in the Customizer's Header tool. 1378 * 1379 * @since 3.9.0 1380 */ 1381 public function ajax_header_remove() { 1382 check_ajax_referer( 'header-remove', 'nonce' ); 1383 1384 if ( ! current_user_can( 'edit_theme_options' ) ) { 1385 wp_send_json_error(); 1386 } 1387 1388 $attachment_id = absint( $_POST['attachment_id'] ); 1389 if ( $attachment_id < 1 ) { 1390 wp_send_json_error(); 1391 } 1392 1393 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1394 delete_post_meta( $attachment_id, $key ); 1395 delete_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() ); 1396 1397 wp_send_json_success(); 1398 } 1399 1400 /** 1401 * Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer. 1402 * 1403 * @since 3.9.0 1404 * 1405 * @param WP_Customize_Manager $wp_customize Customize manager. 1406 */ 1407 public function customize_set_last_used( $wp_customize ) { 1408 1409 $header_image_data_setting = $wp_customize->get_setting( 'header_image_data' ); 1410 if ( ! $header_image_data_setting ) { 1411 return; 1412 } 1413 $data = $header_image_data_setting->post_value(); 1414 1415 if ( ! isset( $data['attachment_id'] ) ) { 1416 return; 1417 } 1418 1419 $attachment_id = $data['attachment_id']; 1420 $key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1421 update_post_meta( $attachment_id, $key, time() ); 1422 } 1423 1424 /** 1425 * Gets the details of default header images if defined. 1426 * 1427 * @since 3.9.0 1428 * 1429 * @return array Default header images. 1430 */ 1431 public function get_default_header_images() { 1432 $this->process_default_headers(); 1433 1434 // Get the default image if there is one. 1435 $default = get_theme_support( 'custom-header', 'default-image' ); 1436 1437 if ( ! $default ) { // If not, easy peasy. 1438 return $this->default_headers; 1439 } 1440 1441 $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); 1442 $already_has_default = false; 1443 1444 foreach ( $this->default_headers as $k => $h ) { 1445 if ( $h['url'] === $default ) { 1446 $already_has_default = true; 1447 break; 1448 } 1449 } 1450 1451 if ( $already_has_default ) { 1452 return $this->default_headers; 1453 } 1454 1455 // If the one true image isn't included in the default set, prepend it. 1456 $header_images = array(); 1457 $header_images['default'] = array( 1458 'url' => $default, 1459 'thumbnail_url' => $default, 1460 'description' => 'Default', 1461 ); 1462 1463 // The rest of the set comes after. 1464 return array_merge( $header_images, $this->default_headers ); 1465 } 1466 1467 /** 1468 * Gets the previously uploaded header images. 1469 * 1470 * @since 3.9.0 1471 * 1472 * @return array Uploaded header images. 1473 */ 1474 public function get_uploaded_header_images() { 1475 $header_images = get_uploaded_header_images(); 1476 $timestamp_key = '_wp_attachment_custom_header_last_used_' . get_stylesheet(); 1477 $alt_text_key = '_wp_attachment_image_alt'; 1478 1479 foreach ( $header_images as &$header_image ) { 1480 $header_meta = get_post_meta( $header_image['attachment_id'] ); 1481 $header_image['timestamp'] = isset( $header_meta[ $timestamp_key ] ) ? $header_meta[ $timestamp_key ] : ''; 1482 $header_image['alt_text'] = isset( $header_meta[ $alt_text_key ] ) ? $header_meta[ $alt_text_key ] : ''; 1483 } 1484 1485 return $header_images; 1486 } 1487 1488 /** 1489 * Get the ID of a previous crop from the same base image. 1490 * 1491 * @since 4.9.0 1492 * 1493 * @param array $object A crop attachment object. 1494 * @return int|false An attachment ID if one exists. False if none. 1495 */ 1496 public function get_previous_crop( $object ) { 1497 $header_images = $this->get_uploaded_header_images(); 1498 1499 // Bail early if there are no header images. 1500 if ( empty( $header_images ) ) { 1501 return false; 1502 } 1503 1504 $previous = false; 1505 1506 foreach ( $header_images as $image ) { 1507 if ( $image['attachment_parent'] === $object['post_parent'] ) { 1508 $previous = $image['attachment_id']; 1509 break; 1510 } 1511 } 1512 1513 return $previous; 1514 } 1515 }
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
| Generated: Thu Aug 13 01:00:02 2020 | Cross-referenced by PHPXref 0.7.1 |