web/wp-admin/custom-header.php
branchwordpress
changeset 109 03b0d1493584
child 132 4d4862461b8d
equal deleted inserted replaced
-1:000000000000 109:03b0d1493584
       
     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 unknown
       
    13  * @package WordPress
       
    14  * @subpackage Administration
       
    15  */
       
    16 class Custom_Image_Header {
       
    17 
       
    18 	/**
       
    19 	 * Callback for administration header.
       
    20 	 *
       
    21 	 * @var callback
       
    22 	 * @since unknown
       
    23 	 * @access private
       
    24 	 */
       
    25 	var $admin_header_callback;
       
    26 
       
    27 	/**
       
    28 	 * PHP4 Constructor - Register administration header callback.
       
    29 	 *
       
    30 	 * @since unknown
       
    31 	 * @param callback $admin_header_callback
       
    32 	 * @return Custom_Image_Header
       
    33 	 */
       
    34 	function Custom_Image_Header($admin_header_callback) {
       
    35 		$this->admin_header_callback = $admin_header_callback;
       
    36 	}
       
    37 
       
    38 	/**
       
    39 	 * Setup the hooks for the Custom Header admin page.
       
    40 	 *
       
    41 	 * @since unknown
       
    42 	 */
       
    43 	function init() {
       
    44 		$page = add_theme_page(__('Custom Header'), __('Custom Header'), 'edit_themes', 'custom-header', array(&$this, 'admin_page'));
       
    45 
       
    46 		add_action("admin_print_scripts-$page", array(&$this, 'js_includes'));
       
    47 		add_action("admin_print_styles-$page", array(&$this, 'css_includes'));
       
    48 		add_action("admin_head-$page", array(&$this, 'take_action'), 50);
       
    49 		add_action("admin_head-$page", array(&$this, 'js'), 50);
       
    50 		add_action("admin_head-$page", $this->admin_header_callback, 51);
       
    51 	}
       
    52 
       
    53 	/**
       
    54 	 * Get the current step.
       
    55 	 *
       
    56 	 * @since unknown
       
    57 	 *
       
    58 	 * @return int Current step
       
    59 	 */
       
    60 	function step() {
       
    61 		if ( ! isset( $_GET['step'] ) )
       
    62 			return 1;
       
    63 
       
    64 		$step = (int) $_GET['step'];
       
    65 		if ( $step < 1 || 3 < $step )
       
    66 			$step = 1;
       
    67 
       
    68 		return $step;
       
    69 	}
       
    70 
       
    71 	/**
       
    72 	 * Setup the enqueue for the JavaScript files.
       
    73 	 *
       
    74 	 * @since unknown
       
    75 	 */
       
    76 	function js_includes() {
       
    77 		$step = $this->step();
       
    78 
       
    79 		if ( 1 == $step )
       
    80 			wp_enqueue_script('farbtastic');
       
    81 		elseif ( 2 == $step )
       
    82 			wp_enqueue_script('jcrop');
       
    83 	}
       
    84 
       
    85 	/**
       
    86 	 * Setup the enqueue for the CSS files
       
    87 	 *
       
    88 	 * @since 2.7
       
    89 	 */
       
    90 	function css_includes() {
       
    91 		$step = $this->step();
       
    92 
       
    93 		if ( 1 == $step )
       
    94 			wp_enqueue_style('farbtastic');
       
    95 		elseif ( 2 == $step )
       
    96 			wp_enqueue_style('jcrop');
       
    97 	}
       
    98 
       
    99 	/**
       
   100 	 * Execute custom header modification.
       
   101 	 *
       
   102 	 * @since unknown
       
   103 	 */
       
   104 	function take_action() {
       
   105 		if ( isset( $_POST['textcolor'] ) ) {
       
   106 			check_admin_referer('custom-header');
       
   107 			if ( 'blank' == $_POST['textcolor'] ) {
       
   108 				set_theme_mod('header_textcolor', 'blank');
       
   109 			} else {
       
   110 				$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['textcolor']);
       
   111 				if ( strlen($color) == 6 || strlen($color) == 3 )
       
   112 					set_theme_mod('header_textcolor', $color);
       
   113 			}
       
   114 		}
       
   115 		if ( isset($_POST['resetheader']) ) {
       
   116 			check_admin_referer('custom-header');
       
   117 			remove_theme_mods();
       
   118 		}
       
   119 	}
       
   120 
       
   121 	/**
       
   122 	 * Execute Javascript depending on step.
       
   123 	 *
       
   124 	 * @since unknown
       
   125 	 */
       
   126 	function js() {
       
   127 		$step = $this->step();
       
   128 		if ( 1 == $step )
       
   129 			$this->js_1();
       
   130 		elseif ( 2 == $step )
       
   131 			$this->js_2();
       
   132 	}
       
   133 
       
   134 	/**
       
   135 	 * Display Javascript based on Step 1.
       
   136 	 *
       
   137 	 * @since unknown
       
   138 	 */
       
   139 	function js_1() { ?>
       
   140 <script type="text/javascript">
       
   141 	var buttons = ['#name', '#desc', '#pickcolor', '#defaultcolor'];
       
   142 	var farbtastic;
       
   143 
       
   144 	function pickColor(color) {
       
   145 		jQuery('#name').css('color', color);
       
   146 		jQuery('#desc').css('color', color);
       
   147 		jQuery('#textcolor').val(color);
       
   148 		farbtastic.setColor(color);
       
   149 	}
       
   150 
       
   151 	jQuery(document).ready(function() {
       
   152 		jQuery('#pickcolor').click(function() {
       
   153 			jQuery('#colorPickerDiv').show();
       
   154 		});
       
   155 
       
   156 		jQuery('#hidetext').click(function() {
       
   157 			toggle_text();
       
   158 		});
       
   159 
       
   160 		farbtastic = jQuery.farbtastic('#colorPickerDiv', function(color) { pickColor(color); });
       
   161 		pickColor('#<?php echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR); ?>');
       
   162 
       
   163 		<?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
       
   164 		toggle_text();
       
   165 		<?php } ?>
       
   166 	});
       
   167 
       
   168 	jQuery(document).mousedown(function(){
       
   169 		// Make the picker disappear, since we're using it in an independant div
       
   170 		hide_picker();
       
   171 	});
       
   172 
       
   173 	function colorDefault() {
       
   174 		pickColor('#<?php echo HEADER_TEXTCOLOR; ?>');
       
   175 	}
       
   176 
       
   177 	function hide_picker(what) {
       
   178 		var update = false;
       
   179 		jQuery('#colorPickerDiv').each(function(){
       
   180 			var id = jQuery(this).attr('id');
       
   181 			if (id == what) {
       
   182 				return;
       
   183 			}
       
   184 			var display = jQuery(this).css('display');
       
   185 			if (display == 'block') {
       
   186 				jQuery(this).fadeOut(2);
       
   187 			}
       
   188 		});
       
   189 	}
       
   190 
       
   191 	function toggle_text(force) {
       
   192 		if(jQuery('#textcolor').val() == 'blank') {
       
   193 			//Show text
       
   194 			jQuery( buttons.toString() ).show();
       
   195 			jQuery('#textcolor').val('<?php echo HEADER_TEXTCOLOR; ?>');
       
   196 			jQuery('#hidetext').val('<?php _e('Hide Text'); ?>');
       
   197 		}
       
   198 		else {
       
   199 			//Hide text
       
   200 			jQuery( buttons.toString() ).hide();
       
   201 			jQuery('#textcolor').val('blank');
       
   202 			jQuery('#hidetext').val('<?php _e('Show Text'); ?>');
       
   203 		}
       
   204 	}
       
   205 
       
   206 
       
   207 
       
   208 </script>
       
   209 <?php
       
   210 	}
       
   211 
       
   212 	/**
       
   213 	 * Display Javascript based on Step 2.
       
   214 	 *
       
   215 	 * @since unknown
       
   216 	 */
       
   217 	function js_2() { ?>
       
   218 <script type="text/javascript">
       
   219 	function onEndCrop( coords ) {
       
   220 		jQuery( '#x1' ).val(coords.x);
       
   221 		jQuery( '#y1' ).val(coords.y);
       
   222 		jQuery( '#x2' ).val(coords.x2);
       
   223 		jQuery( '#y2' ).val(coords.y2);
       
   224 		jQuery( '#width' ).val(coords.w);
       
   225 		jQuery( '#height' ).val(coords.h);
       
   226 	}
       
   227 
       
   228 	// with a supplied ratio
       
   229 	jQuery(document).ready(function() {
       
   230 		var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>;
       
   231 		var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>;
       
   232 		var ratio = xinit / yinit;
       
   233 		var ximg = jQuery('#upload').width();
       
   234 		var yimg = jQuery('#upload').height();
       
   235 
       
   236 		//set up default values
       
   237 		jQuery( '#x1' ).val(0);
       
   238 		jQuery( '#y1' ).val(0);
       
   239 		jQuery( '#x2' ).val(xinit);
       
   240 		jQuery( '#y2' ).val(yinit);
       
   241 		jQuery( '#width' ).val(xinit);
       
   242 		jQuery( '#height' ).val(yinit);
       
   243 
       
   244 		if ( yimg < yinit || ximg < xinit ) {
       
   245 			if ( ximg / yimg > ratio ) {
       
   246 				yinit = yimg;
       
   247 				xinit = yinit * ratio;
       
   248 			} else {
       
   249 				xinit = ximg;
       
   250 				yinit = xinit / ratio;
       
   251 			}
       
   252 		}
       
   253 
       
   254 		jQuery('#upload').Jcrop({
       
   255 			aspectRatio: ratio,
       
   256 			setSelect: [ 0, 0, xinit, yinit ],
       
   257 			onSelect: onEndCrop
       
   258 		});
       
   259 	});
       
   260 </script>
       
   261 <?php
       
   262 	}
       
   263 
       
   264 	/**
       
   265 	 * Display first step of custom header image page.
       
   266 	 *
       
   267 	 * @since unknown
       
   268 	 */
       
   269 	function step_1() {
       
   270 		if ( $_GET['updated'] ) { ?>
       
   271 <div id="message" class="updated fade">
       
   272 <p><?php _e('Header updated.') ?></p>
       
   273 </div>
       
   274 		<?php } ?>
       
   275 
       
   276 <div class="wrap">
       
   277 <?php screen_icon(); ?>
       
   278 <h2><?php _e('Your Header Image'); ?></h2>
       
   279 <p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
       
   280 
       
   281 <div id="headimg" style="background-image: url(<?php esc_url(header_image()) ?>);">
       
   282 <h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
       
   283 <div id="desc"><?php bloginfo('description');?></div>
       
   284 </div>
       
   285 <?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
       
   286 <form method="post" action="<?php echo admin_url('themes.php?page=custom-header&amp;updated=true') ?>">
       
   287 <input type="button" class="button" value="<?php esc_attr_e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
       
   288 <input type="button" class="button" value="<?php esc_attr_e('Select a Text Color'); ?>" id="pickcolor" /><input type="button" class="button" value="<?php esc_attr_e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" />
       
   289 <?php wp_nonce_field('custom-header') ?>
       
   290 <input type="hidden" name="textcolor" id="textcolor" value="#<?php esc_attr(header_textcolor()) ?>" /><input name="submit" type="submit" class="button" value="<?php esc_attr_e('Save Changes'); ?>" /></form>
       
   291 <?php } ?>
       
   292 
       
   293 <div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;display:none;"> </div>
       
   294 </div>
       
   295 <div class="wrap">
       
   296 <h2><?php _e('Upload New Header Image'); ?></h2><p><?php _e('Here you can upload a custom header image to be shown at the top of your blog instead of the default one. On the next screen you will be able to crop the image.'); ?></p>
       
   297 <p><?php printf(__('Images of exactly <strong>%1$d x %2$d pixels</strong> will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?></p>
       
   298 
       
   299 <form enctype="multipart/form-data" id="uploadForm" method="POST" action="<?php echo esc_attr(add_query_arg('step', 2)) ?>" style="margin: auto; width: 50%;">
       
   300 <label for="upload"><?php _e('Choose an image from your computer:'); ?></label><br /><input type="file" id="upload" name="import" />
       
   301 <input type="hidden" name="action" value="save" />
       
   302 <?php wp_nonce_field('custom-header') ?>
       
   303 <p class="submit">
       
   304 <input type="submit" value="<?php esc_attr_e('Upload'); ?>" />
       
   305 </p>
       
   306 </form>
       
   307 
       
   308 </div>
       
   309 
       
   310 		<?php if ( get_theme_mod('header_image') || get_theme_mod('header_textcolor') ) : ?>
       
   311 <div class="wrap">
       
   312 <h2><?php _e('Reset Header Image and Color'); ?></h2>
       
   313 <p><?php _e('This will restore the original header image and color. You will not be able to retrieve any customizations.') ?></p>
       
   314 <form method="post" action="<?php echo esc_attr(add_query_arg('step', 1)) ?>">
       
   315 <?php wp_nonce_field('custom-header'); ?>
       
   316 <input type="submit" class="button" name="resetheader" value="<?php esc_attr_e('Restore Original Header'); ?>" />
       
   317 </form>
       
   318 </div>
       
   319 		<?php endif;
       
   320 
       
   321 	}
       
   322 
       
   323 	/**
       
   324 	 * Display second step of custom header image page.
       
   325 	 *
       
   326 	 * @since unknown
       
   327 	 */
       
   328 	function step_2() {
       
   329 		check_admin_referer('custom-header');
       
   330 		$overrides = array('test_form' => false);
       
   331 		$file = wp_handle_upload($_FILES['import'], $overrides);
       
   332 
       
   333 		if ( isset($file['error']) )
       
   334 		die( $file['error'] );
       
   335 
       
   336 		$url = $file['url'];
       
   337 		$type = $file['type'];
       
   338 		$file = $file['file'];
       
   339 		$filename = basename($file);
       
   340 
       
   341 		// Construct the object array
       
   342 		$object = array(
       
   343 		'post_title' => $filename,
       
   344 		'post_content' => $url,
       
   345 		'post_mime_type' => $type,
       
   346 		'guid' => $url);
       
   347 
       
   348 		// Save the data
       
   349 		$id = wp_insert_attachment($object, $file);
       
   350 
       
   351 		list($width, $height, $type, $attr) = getimagesize( $file );
       
   352 
       
   353 		if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
       
   354 			// Add the meta-data
       
   355 			wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
       
   356 
       
   357 			set_theme_mod('header_image', esc_url($url));
       
   358 			do_action('wp_create_file_in_uploads', $file, $id); // For replication
       
   359 			return $this->finished();
       
   360 		} elseif ( $width > HEADER_IMAGE_WIDTH ) {
       
   361 			$oitar = $width / HEADER_IMAGE_WIDTH;
       
   362 			$image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
       
   363 			$image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
       
   364 
       
   365 			$url = str_replace(basename($url), basename($image), $url);
       
   366 			$width = $width / $oitar;
       
   367 			$height = $height / $oitar;
       
   368 		} else {
       
   369 			$oitar = 1;
       
   370 		}
       
   371 		?>
       
   372 
       
   373 <div class="wrap">
       
   374 
       
   375 <form method="POST" action="<?php echo esc_attr(add_query_arg('step', 3)) ?>">
       
   376 
       
   377 <p><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
       
   378 <div id="testWrap" style="position: relative">
       
   379 <img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
       
   380 </div>
       
   381 
       
   382 <p class="submit">
       
   383 <input type="hidden" name="x1" id="x1" />
       
   384 <input type="hidden" name="y1" id="y1" />
       
   385 <input type="hidden" name="x2" id="x2" />
       
   386 <input type="hidden" name="y2" id="y2" />
       
   387 <input type="hidden" name="width" id="width" />
       
   388 <input type="hidden" name="height" id="height" />
       
   389 <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr($id); ?>" />
       
   390 <input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr($oitar); ?>" />
       
   391 <?php wp_nonce_field('custom-header') ?>
       
   392 <input type="submit" value="<?php esc_attr_e('Crop Header'); ?>" />
       
   393 </p>
       
   394 
       
   395 </form>
       
   396 </div>
       
   397 		<?php
       
   398 	}
       
   399 
       
   400 	/**
       
   401 	 * Display third step of custom header image page.
       
   402 	 *
       
   403 	 * @since unknown
       
   404 	 */
       
   405 	function step_3() {
       
   406 		check_admin_referer('custom-header');
       
   407 		if ( $_POST['oitar'] > 1 ) {
       
   408 			$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
       
   409 			$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
       
   410 			$_POST['width'] = $_POST['width'] * $_POST['oitar'];
       
   411 			$_POST['height'] = $_POST['height'] * $_POST['oitar'];
       
   412 		}
       
   413 
       
   414 		$original = get_attached_file( $_POST['attachment_id'] );
       
   415 
       
   416 		$cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
       
   417 		$cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication
       
   418 
       
   419 		$parent = get_post($_POST['attachment_id']);
       
   420 		$parent_url = $parent->guid;
       
   421 		$url = str_replace(basename($parent_url), basename($cropped), $parent_url);
       
   422 
       
   423 		// Construct the object array
       
   424 		$object = array(
       
   425 			'ID' => $_POST['attachment_id'],
       
   426 			'post_title' => basename($cropped),
       
   427 			'post_content' => $url,
       
   428 			'post_mime_type' => 'image/jpeg',
       
   429 			'guid' => $url
       
   430 		);
       
   431 
       
   432 		// Update the attachment
       
   433 		wp_insert_attachment($object, $cropped);
       
   434 		wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) );
       
   435 
       
   436 		set_theme_mod('header_image', $url);
       
   437 
       
   438 		// cleanup
       
   439 		$medium = str_replace(basename($original), 'midsize-'.basename($original), $original);
       
   440 		@unlink( apply_filters( 'wp_delete_file', $medium ) );
       
   441 		@unlink( apply_filters( 'wp_delete_file', $original ) );
       
   442 
       
   443 		return $this->finished();
       
   444 	}
       
   445 
       
   446 	/**
       
   447 	 * Display last step of custom header image page.
       
   448 	 *
       
   449 	 * @since unknown
       
   450 	 */
       
   451 	function finished() {
       
   452 		?>
       
   453 <div class="wrap">
       
   454 <h2><?php _e('Header complete!'); ?></h2>
       
   455 
       
   456 <p><?php _e('Visit your site and you should see the new header now.'); ?></p>
       
   457 
       
   458 </div>
       
   459 		<?php
       
   460 	}
       
   461 
       
   462 	/**
       
   463 	 * Display the page based on the current step.
       
   464 	 *
       
   465 	 * @since unknown
       
   466 	 */
       
   467 	function admin_page() {
       
   468 		$step = $this->step();
       
   469 		if ( 1 == $step )
       
   470 			$this->step_1();
       
   471 		elseif ( 2 == $step )
       
   472 			$this->step_2();
       
   473 		elseif ( 3 == $step )
       
   474 			$this->step_3();
       
   475 	}
       
   476 
       
   477 }
       
   478 ?>