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1 <?php 2 /** 3 * The custom background script. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * The custom background class. 11 * 12 * @since 3.0.0 13 * @package WordPress 14 * @subpackage Administration 15 */ 16 class Custom_Background { 17 18 /** 19 * Callback for administration header. 20 * 21 * @var callback 22 * @since 3.0.0 23 * @access private 24 */ 25 var $admin_header_callback; 26 27 /** 28 * Callback for header div. 29 * 30 * @var callback 31 * @since 3.0.0 32 * @access private 33 */ 34 var $admin_image_div_callback; 35 36 /** 37 * Holds the page menu hook. 38 * 39 * @var string 40 * @since 3.0.0 41 * @access private 42 */ 43 var $page = ''; 44 45 /** 46 * Constructor - Register administration header callback. 47 * 48 * @since 3.0.0 49 * @param callback $admin_header_callback 50 * @param callback $admin_image_div_callback Optional custom image div output callback. 51 * @return Custom_Background 52 */ 53 function __construct($admin_header_callback = '', $admin_image_div_callback = '') { 54 $this->admin_header_callback = $admin_header_callback; 55 $this->admin_image_div_callback = $admin_image_div_callback; 56 57 add_action( 'admin_menu', array( $this, 'init' ) ); 58 add_action( 'wp_ajax_set-background-image', array( $this, 'wp_set_background_image' ) ); 59 } 60 61 /** 62 * Set up the hooks for the Custom Background admin page. 63 * 64 * @since 3.0.0 65 */ 66 function init() { 67 if ( ! current_user_can('edit_theme_options') ) 68 return; 69 70 $this->page = $page = add_theme_page(__('Background'), __('Background'), 'edit_theme_options', 'custom-background', array($this, 'admin_page')); 71 72 add_action("load-$page", array($this, 'admin_load')); 73 add_action("load-$page", array($this, 'take_action'), 49); 74 add_action("load-$page", array($this, 'handle_upload'), 49); 75 76 if ( $this->admin_header_callback ) 77 add_action("admin_head-$page", $this->admin_header_callback, 51); 78 } 79 80 /** 81 * Set up the enqueue for the CSS & JavaScript files. 82 * 83 * @since 3.0.0 84 */ 85 function admin_load() { 86 get_current_screen()->add_help_tab( array( 87 'id' => 'overview', 88 'title' => __('Overview'), 89 'content' => 90 '<p>' . __( 'You can customize the look of your site without touching any of your theme’s code by using a custom background. Your background can be an image or a color.' ) . '</p>' . 91 '<p>' . __( 'To use a background image, simply upload it or choose an image that has already been uploaded to your Media Library by clicking the “Choose Image” button. You can display a single instance of your image, or tile it to fill the screen. You can have your background fixed in place, so your site content moves on top of it, or you can have it scroll with your site.' ) . '</p>' . 92 '<p>' . __( 'You can also choose a background color by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. “#ff0000” for red, or by choosing a color using the color picker.' ) . '</p>' . 93 '<p>' . __( 'Don’t forget to click on the Save Changes button when you are finished.' ) . '</p>' 94 ) ); 95 96 get_current_screen()->set_help_sidebar( 97 '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 98 '<p>' . __( '<a href="http://codex.wordpress.org/Appearance_Background_Screen" target="_blank">Documentation on Custom Background</a>' ) . '</p>' . 99 '<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>' 100 ); 101 102 wp_enqueue_media(); 103 wp_enqueue_script('custom-background'); 104 wp_enqueue_style('wp-color-picker'); 105 } 106 107 /** 108 * Execute custom background modification. 109 * 110 * @since 3.0.0 111 */ 112 function take_action() { 113 114 if ( empty($_POST) ) 115 return; 116 117 if ( isset($_POST['reset-background']) ) { 118 check_admin_referer('custom-background-reset', '_wpnonce-custom-background-reset'); 119 remove_theme_mod('background_image'); 120 remove_theme_mod('background_image_thumb'); 121 $this->updated = true; 122 return; 123 } 124 125 if ( isset($_POST['remove-background']) ) { 126 // @TODO: Uploaded files are not removed here. 127 check_admin_referer('custom-background-remove', '_wpnonce-custom-background-remove'); 128 set_theme_mod('background_image', ''); 129 set_theme_mod('background_image_thumb', ''); 130 $this->updated = true; 131 wp_safe_redirect( $_POST['_wp_http_referer'] ); 132 return; 133 } 134 135 if ( isset($_POST['background-repeat']) ) { 136 check_admin_referer('custom-background'); 137 if ( in_array($_POST['background-repeat'], array('repeat', 'no-repeat', 'repeat-x', 'repeat-y')) ) 138 $repeat = $_POST['background-repeat']; 139 else 140 $repeat = 'repeat'; 141 set_theme_mod('background_repeat', $repeat); 142 } 143 144 if ( isset($_POST['background-position-x']) ) { 145 check_admin_referer('custom-background'); 146 if ( in_array($_POST['background-position-x'], array('center', 'right', 'left')) ) 147 $position = $_POST['background-position-x']; 148 else 149 $position = 'left'; 150 set_theme_mod('background_position_x', $position); 151 } 152 153 if ( isset($_POST['background-attachment']) ) { 154 check_admin_referer('custom-background'); 155 if ( in_array($_POST['background-attachment'], array('fixed', 'scroll')) ) 156 $attachment = $_POST['background-attachment']; 157 else 158 $attachment = 'fixed'; 159 set_theme_mod('background_attachment', $attachment); 160 } 161 162 if ( isset($_POST['background-color']) ) { 163 check_admin_referer('custom-background'); 164 $color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['background-color']); 165 if ( strlen($color) == 6 || strlen($color) == 3 ) 166 set_theme_mod('background_color', $color); 167 else 168 set_theme_mod('background_color', ''); 169 } 170 171 $this->updated = true; 172 } 173 174 /** 175 * Display the custom background page. 176 * 177 * @since 3.0.0 178 */ 179 function admin_page() { 180 ?> 181 <div class="wrap" id="custom-background"> 182 <h2><?php _e('Custom Background'); ?></h2> 183 <?php if ( !empty($this->updated) ) { ?> 184 <div id="message" class="updated"> 185 <p><?php printf( __( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p> 186 </div> 187 <?php } 188 189 if ( $this->admin_image_div_callback ) { 190 call_user_func($this->admin_image_div_callback); 191 } else { 192 ?> 193 <h3><?php _e('Background Image'); ?></h3> 194 <table class="form-table"> 195 <tbody> 196 <tr valign="top"> 197 <th scope="row"><?php _e('Preview'); ?></th> 198 <td> 199 <?php 200 $background_styles = ''; 201 if ( $bgcolor = get_background_color() ) 202 $background_styles .= 'background-color: #' . $bgcolor . ';'; 203 204 if ( get_background_image() ) { 205 $background_image_thumb = esc_url( set_url_scheme( get_theme_mod( 'background_image_thumb', str_replace( '%', '%%', get_background_image() ) ) ) ); 206 // background-image URL must be single quote, see below 207 $background_styles .= ' background-image: url(\'' . $background_image_thumb . '\');' 208 . ' background-repeat: ' . get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) . ';' 209 . ' background-position: top ' . get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ); 210 } 211 ?> 212 <div id="custom-background-image" style="<?php echo $background_styles; ?>"><?php // must be double quote, see above ?> 213 <?php if ( get_background_image() ) { ?> 214 <img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" /><br /> 215 <img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" /> 216 <?php } ?> 217 </div> 218 <?php } ?> 219 </td> 220 </tr> 221 <?php if ( get_background_image() ) : ?> 222 <tr valign="top"> 223 <th scope="row"><?php _e('Remove Image'); ?></th> 224 <td> 225 <form method="post" action=""> 226 <?php wp_nonce_field('custom-background-remove', '_wpnonce-custom-background-remove'); ?> 227 <?php submit_button( __( 'Remove Background Image' ), 'button', 'remove-background', false ); ?><br/> 228 <?php _e('This will remove the background image. You will not be able to restore any customizations.') ?> 229 </form> 230 </td> 231 </tr> 232 <?php endif; ?> 233 234 <?php $default_image = get_theme_support( 'custom-background', 'default-image' ); ?> 235 <?php if ( $default_image && get_background_image() != $default_image ) : ?> 236 <tr valign="top"> 237 <th scope="row"><?php _e('Restore Original Image'); ?></th> 238 <td> 239 <form method="post" action=""> 240 <?php wp_nonce_field('custom-background-reset', '_wpnonce-custom-background-reset'); ?> 241 <?php submit_button( __( 'Restore Original Image' ), 'button', 'reset-background', false ); ?><br/> 242 <?php _e('This will restore the original background image. You will not be able to restore any customizations.') ?> 243 </form> 244 </td> 245 </tr> 246 247 <?php endif; ?> 248 <tr valign="top"> 249 <th scope="row"><?php _e('Select Image'); ?></th> 250 <td><form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post" action=""> 251 <p> 252 <label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br /> 253 <input type="file" id="upload" name="import" /> 254 <input type="hidden" name="action" value="save" /> 255 <?php wp_nonce_field( 'custom-background-upload', '_wpnonce-custom-background-upload' ); ?> 256 <?php submit_button( __( 'Upload' ), 'button', 'submit', false ); ?> 257 </p> 258 <p> 259 <label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br /> 260 <a id="choose-from-library-link" class="button" 261 data-choose="<?php esc_attr_e( 'Choose a Background Image' ); ?>" 262 data-update="<?php esc_attr_e( 'Set as background' ); ?>"><?php _e( 'Choose Image' ); ?></a> 263 </p> 264 </form> 265 </td> 266 </tr> 267 </tbody> 268 </table> 269 270 <h3><?php _e('Display Options') ?></h3> 271 <form method="post" action=""> 272 <table class="form-table"> 273 <tbody> 274 <?php if ( get_background_image() ) : ?> 275 <tr valign="top"> 276 <th scope="row"><?php _e( 'Position' ); ?></th> 277 <td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Background Position' ); ?></span></legend> 278 <label> 279 <input name="background-position-x" type="radio" value="left"<?php checked( 'left', get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ) ); ?> /> 280 <?php _e('Left') ?> 281 </label> 282 <label> 283 <input name="background-position-x" type="radio" value="center"<?php checked( 'center', get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ) ); ?> /> 284 <?php _e('Center') ?> 285 </label> 286 <label> 287 <input name="background-position-x" type="radio" value="right"<?php checked( 'right', get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ) ); ?> /> 288 <?php _e('Right') ?> 289 </label> 290 </fieldset></td> 291 </tr> 292 293 <tr valign="top"> 294 <th scope="row"><?php _e( 'Repeat' ); ?></th> 295 <td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Background Repeat' ); ?></span></legend> 296 <label><input type="radio" name="background-repeat" value="no-repeat"<?php checked( 'no-repeat', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?> /> <?php _e('No Repeat'); ?></label> 297 <label><input type="radio" name="background-repeat" value="repeat"<?php checked( 'repeat', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?> /> <?php _e('Tile'); ?></label> 298 <label><input type="radio" name="background-repeat" value="repeat-x"<?php checked( 'repeat-x', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?> /> <?php _e('Tile Horizontally'); ?></label> 299 <label><input type="radio" name="background-repeat" value="repeat-y"<?php checked( 'repeat-y', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?> /> <?php _e('Tile Vertically'); ?></label> 300 </fieldset></td> 301 </tr> 302 303 <tr valign="top"> 304 <th scope="row"><?php _ex( 'Attachment', 'Background Attachment' ); ?></th> 305 <td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Background Attachment' ); ?></span></legend> 306 <label> 307 <input name="background-attachment" type="radio" value="scroll" <?php checked( 'scroll', get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ) ); ?> /> 308 <?php _e( 'Scroll' ); ?> 309 </label> 310 <label> 311 <input name="background-attachment" type="radio" value="fixed" <?php checked( 'fixed', get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ) ); ?> /> 312 <?php _e( 'Fixed' ); ?> 313 </label> 314 </fieldset></td> 315 </tr> 316 <?php endif; // get_background_image() ?> 317 <tr valign="top"> 318 <th scope="row"><?php _e( 'Background Color' ); ?></th> 319 <td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Background Color' ); ?></span></legend> 320 <?php 321 $default_color = ''; 322 if ( current_theme_supports( 'custom-background', 'default-color' ) ) 323 $default_color = ' data-default-color="#' . esc_attr( get_theme_support( 'custom-background', 'default-color' ) ) . '"'; 324 ?> 325 <input type="text" name="background-color" id="background-color" value="#<?php echo esc_attr( get_background_color() ); ?>"<?php echo $default_color ?> /> 326 </fieldset></td> 327 </tr> 328 </tbody> 329 </table> 330 331 <?php wp_nonce_field('custom-background'); ?> 332 <?php submit_button( null, 'primary', 'save-background-options' ); ?> 333 </form> 334 335 </div> 336 <?php 337 } 338 339 /** 340 * Handle an Image upload for the background image. 341 * 342 * @since 3.0.0 343 */ 344 function handle_upload() { 345 346 if ( empty($_FILES) ) 347 return; 348 349 check_admin_referer('custom-background-upload', '_wpnonce-custom-background-upload'); 350 $overrides = array('test_form' => false); 351 352 $uploaded_file = $_FILES['import']; 353 $wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'], false ); 354 if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) 355 wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) ); 356 357 $file = wp_handle_upload($uploaded_file, $overrides); 358 359 if ( isset($file['error']) ) 360 wp_die( $file['error'] ); 361 362 $url = $file['url']; 363 $type = $file['type']; 364 $file = $file['file']; 365 $filename = basename($file); 366 367 // Construct the object array 368 $object = array( 369 'post_title' => $filename, 370 'post_content' => $url, 371 'post_mime_type' => $type, 372 'guid' => $url, 373 'context' => 'custom-background' 374 ); 375 376 // Save the data 377 $id = wp_insert_attachment($object, $file); 378 379 // Add the meta-data 380 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) ); 381 update_post_meta( $id, '_wp_attachment_is_custom_background', get_option('stylesheet' ) ); 382 383 set_theme_mod('background_image', esc_url_raw($url)); 384 385 $thumbnail = wp_get_attachment_image_src( $id, 'thumbnail' ); 386 set_theme_mod('background_image_thumb', esc_url_raw( $thumbnail[0] ) ); 387 388 /** This action is documented in wp-admin/custom-header.php */ 389 do_action( 'wp_create_file_in_uploads', $file, $id ); // For replication 390 $this->updated = true; 391 } 392 393 /** 394 * Unused since 3.5.0. 395 * 396 * @since 3.4.0 397 */ 398 function attachment_fields_to_edit( $form_fields ) { 399 return $form_fields; 400 } 401 402 /** 403 * Unused since 3.5.0. 404 * 405 * @since 3.4.0 406 */ 407 function filter_upload_tabs( $tabs ) { 408 return $tabs; 409 } 410 411 public function wp_set_background_image() { 412 if ( ! current_user_can('edit_theme_options') || ! isset( $_POST['attachment_id'] ) ) exit; 413 $attachment_id = absint($_POST['attachment_id']); 414 /** This filter is documented in wp-admin/includes/media.php */ 415 $sizes = array_keys(apply_filters( 'image_size_names_choose', array('thumbnail' => __('Thumbnail'), 'medium' => __('Medium'), 'large' => __('Large'), 'full' => __('Full Size')) )); 416 $size = 'thumbnail'; 417 if ( in_array( $_POST['size'], $sizes ) ) 418 $size = esc_attr( $_POST['size'] ); 419 420 update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_option('stylesheet' ) ); 421 $url = wp_get_attachment_image_src( $attachment_id, $size ); 422 $thumbnail = wp_get_attachment_image_src( $attachment_id, 'thumbnail' ); 423 set_theme_mod( 'background_image', esc_url_raw( $url[0] ) ); 424 set_theme_mod( 'background_image_thumb', esc_url_raw( $thumbnail[0] ) ); 425 exit; 426 } 427 }
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| Generated: Tue Mar 25 01:41:18 2014 | WordPress honlapkészítés: online1.hu |