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Ticket #15926: custom-header.php

File custom-header.php, 22.1 KB (added by firetag, 14 years ago)

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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	* @package WordPress
14	* @subpackage Administration
15	*/
16	class Custom_Image_Header {
17
18	/**
19	* Callback for administration header.
20	*
21	* @var callback
22	* @since 2.1.0
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 default headers.
38	*
39	* @var array
40	* @since 3.0.0
41	* @access private
42	*/
43	var $default_headers = array();
44
45	/**
46	* Holds the page menu hook.
47	*
48	* @var string
49	* @since 3.0.0
50	* @access private
51	*/
52	var $page = '';
53
54	/**
55	* PHP4 Constructor - Register administration header callback.
56	*
57	* @since 2.1.0
58	* @param callback $admin_header_callback
59	* @param callback $admin_image_div_callback Optional custom image div output callback.
60	* @return Custom_Image_Header
61	*/
62	function Custom_Image_Header($admin_header_callback, $admin_image_div_callback = '') {
63	$this->admin_header_callback = $admin_header_callback;
64	$this->admin_image_div_callback = $admin_image_div_callback;
65	}
66
67	/**
68	* Set up the hooks for the Custom Header admin page.
69	*
70	* @since 2.1.0
71	*/
72	function init() {
73	if ( ! current_user_can('edit_theme_options') )
74	return;
75
76	$this->page = $page = add_theme_page(__('Header'), __('Header'), 'edit_theme_options', 'custom-header', array(&$this, 'admin_page'));
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	add_action("admin_head-$page", $this->admin_header_callback, 51);
84	}
85
86	/**
87	* Adds contextual help.
88	*
89	* @since 3.0.0
90	*/
91	function help() {
92	add_contextual_help( $this->page, '<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.' ) . '</p>' .
93	'<p>' . __( 'If you want to discard your custom header and go back to the default included in your theme, click on the buttons to remove the custom image and restore the original header image.' ) . '</p>' .
94	'<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>' .
95	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
96	'<p>' . __( '<a href="http://codex.wordpress.org/Appearance_Header_SubPanel" target="_blank">Documentation on Custom Header</a>' ) . '</p>' .
97	'<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>' );
98	}
99
100	/**
101	* Get the current step.
102	*
103	* @since 2.6.0
104	*
105	* @return int Current step
106	*/
107	function step() {
108	if ( ! isset( $_GET['step'] ) )
109	return 1;
110
111	$step = (int) $_GET['step'];
112	if ( $step < 1 \|\| 3 < $step )
113	$step = 1;
114
115	return $step;
116	}
117
118	/**
119	* Set up the enqueue for the JavaScript files.
120	*
121	* @since 2.1.0
122	*/
123	function js_includes() {
124	$step = $this->step();
125
126	if ( ( 1 == $step \|\| 3 == $step ) && $this->header_text() )
127	wp_enqueue_script('farbtastic');
128	elseif ( 2 == $step )
129	wp_enqueue_script('imgareaselect');
130	}
131
132	/**
133	* Set up the enqueue for the CSS files
134	*
135	* @since 2.7
136	*/
137	function css_includes() {
138	$step = $this->step();
139
140	if ( ( 1 == $step \|\| 3 == $step ) && $this->header_text() )
141	wp_enqueue_style('farbtastic');
142	elseif ( 2 == $step )
143	wp_enqueue_style('imgareaselect');
144	}
145
146	/**
147	* Check if header text is allowed
148	*
149	* @since 3.0.0
150	*/
151	function header_text() {
152	if ( defined( 'NO_HEADER_TEXT' ) && NO_HEADER_TEXT )
153	return false;
154
155	return true;
156	}
157
158	/**
159	* Execute custom header modification.
160	*
161	* @since 2.6.0
162	*/
163	function take_action() {
164	if ( ! current_user_can('edit_theme_options') )
165	return;
166
167	if ( empty( $_POST ) )
168	return;
169
170	$this->updated = true;
171
172	if ( isset( $_POST['resetheader'] ) ) {
173	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
174	remove_theme_mod( 'header_image' );
175	return;
176	}
177
178	if ( isset( $_POST['resettext'] ) ) {
179	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
180	remove_theme_mod('header_textcolor');
181	return;
182	}
183
184	if ( isset( $_POST['removeheader'] ) ) {
185	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
186	set_theme_mod( 'header_image', '' );
187	return;
188	}
189
190	if ( isset( $_POST['text-color'] ) ) {
191	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
192	$_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] );
193	if ( 'blank' == $_POST['text-color'] ) {
194	set_theme_mod( 'header_textcolor', 'blank' );
195	} else {
196	$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['text-color']);
197	if ( strlen($color) == 6 \|\| strlen($color) == 3 )
198	set_theme_mod('header_textcolor', $color);
199	}
200	}
201
202	if ( isset($_POST['default-header']) ) {
203	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
204	$this->process_default_headers();
205	if ( isset($this->default_headers[$_POST['default-header']]) )
206	set_theme_mod('header_image', esc_url($this->default_headers[$_POST['default-header']]['url']));
207	}
208
209	if ( isset($_POST['alt-text']) ) {
210	check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options');
211	$alt = preg_replace('/[^0-9a-zA-Z ]/', '', $_POST['alt-text']);
212	set_theme_mod('background_alt', $alt);
213	}
214	}
215
216	/**
217	* Process the default headers
218	*
219	* @since 3.0.0
220	*/
221	function process_default_headers() {
222	global $_wp_default_headers;
223
224	if ( !empty($this->headers) )
225	return;
226
227	if ( !isset($_wp_default_headers) )
228	return;
229
230	$this->default_headers = $_wp_default_headers;
231	foreach ( array_keys($this->default_headers) as $header ) {
232	$this->default_headers[$header]['url'] = sprintf( $this->default_headers[$header]['url'], get_template_directory_uri(), get_stylesheet_directory_uri() );
233	$this->default_headers[$header]['thumbnail_url'] = sprintf( $this->default_headers[$header]['thumbnail_url'], get_template_directory_uri(), get_stylesheet_directory_uri() );
234	}
235	}
236
237	/**
238	* Display UI for selecting one of several default headers.
239	*
240	* @since 3.0.0
241	*/
242	function show_default_header_selector() {
243	echo '<div id="available-headers">';
244	foreach ( $this->default_headers as $header_key => $header ) {
245	$header_thumbnail = $header['thumbnail_url'];
246	$header_url = $header['url'];
247	$header_desc = $header['description'];
248	echo '<div class="default-header">';
249	echo '<label><input name="default-header" type="radio" value="' . esc_attr($header_key) . '" ' . checked($header_url, get_theme_mod( 'header_image' ), false) . ' />';
250	echo '<img src="' . $header_thumbnail . '" alt="' . esc_attr($header_desc) .'" title="' . esc_attr($header_desc) .'" /></label>';
251	echo '</div>';
252	}
253	echo '<div class="clear"></div></div>';
254	}
255
256	/**
257	* Execute Javascript depending on step.
258	*
259	* @since 2.1.0
260	*/
261	function js() {
262	$step = $this->step();
263	if ( ( 1 == $step \|\| 3 == $step ) && $this->header_text() )
264	$this->js_1();
265	elseif ( 2 == $step )
266	$this->js_2();
267	}
268
269	/**
270	* Display Javascript based on Step 1 and 3.
271	*
272	* @since 2.6.0
273	*/
274	function js_1() { ?>
275	<script type="text/javascript">
276	/* <![CDATA[ */
277	var text_objects = ['#name', '#desc', '#text-color-row'];
278	var farbtastic;
279	var default_color = '#<?php echo HEADER_TEXTCOLOR; ?>';
280	var old_color = null;
281
282	function pickColor(color) {
283	jQuery('#name').css('color', color);
284	jQuery('#desc').css('color', color);
285	jQuery('#text-color').val(color);
286	farbtastic.setColor(color);
287	}
288
289	function toggle_text(s) {
290	if (jQuery(s).attr('id') == 'showtext' && jQuery('#text-color').val() != 'blank')
291	return;
292
293	if (jQuery(s).attr('id') == 'hidetext' && jQuery('#text-color').val() == 'blank')
294	return;
295
296	if (jQuery('#text-color').val() == 'blank') {
297	//Show text
298	if (old_color == '#blank')
299	old_color = default_color;
300
301	jQuery( text_objects.toString() ).show();
302	jQuery('#text-color').val(old_color);
303	jQuery('#name').css('color', old_color);
304	jQuery('#desc').css('color', old_color);
305	pickColor(old_color);
306	} else {
307	//Hide text
308	jQuery( text_objects.toString() ).hide();
309	old_color = jQuery('#text-color').val();
310	jQuery('#text-color').val('blank');
311	}
312	}
313
314	jQuery(document).ready(function() {
315	jQuery('#pickcolor').click(function() {
316	jQuery('#color-picker').show();
317	});
318
319	jQuery('input[name="hidetext"]').click(function() {
320	toggle_text(this);
321	});
322
323	jQuery('#defaultcolor').click(function() {
324	pickColor(default_color);
325	jQuery('#text-color').val(default_color)
326	});
327
328	jQuery('#text-color').keyup(function() {
329	var _hex = jQuery('#text-color').val();
330	var hex = _hex;
331	if ( hex[0] != '#' )
332	hex = '#' + hex;
333	hex = hex.replace(/[^#a-fA-F0-9]+/, '');
334	if ( hex != _hex )
335	jQuery('#text-color').val(hex);
336	if ( hex.length == 4 \|\| hex.length == 7 )
337	pickColor( hex );
338	});
339
340	jQuery(document).mousedown(function(){
341	jQuery('#color-picker').each( function() {
342	var display = jQuery(this).css('display');
343	if (display == 'block')
344	jQuery(this).fadeOut(2);
345	});
346	});
347
348	farbtastic = jQuery.farbtastic('#color-picker', function(color) { pickColor(color); });
349	<?php if ( $color = get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
350	pickColor('#<?php echo $color; ?>');
351	<?php } ?>
352
353	<?php if ( 'blank' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) \|\| '' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) \|\| ! $this->header_text() ) { ?>
354	toggle_text();
355	<?php } ?>
356	});
357	</script>
358	<?php
359	}
360
361	/**
362	* Display Javascript based on Step 2.
363	*
364	* @since 2.6.0
365	*/
366	function js_2() { ?>
367	<script type="text/javascript">
368	/* <![CDATA[ */
369	function onEndCrop( coords ) {
370	jQuery( '#x1' ).val(coords.x);
371	jQuery( '#y1' ).val(coords.y);
372	jQuery( '#width' ).val(coords.w);
373	jQuery( '#height' ).val(coords.h);
374	}
375
376	jQuery(document).ready(function() {
377	var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>;
378	var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>;
379	var ratio = xinit / yinit;
380	var ximg = jQuery('img#upload').width();
381	var yimg = jQuery('img#upload').height();
382
383	if ( yimg < yinit \|\| ximg < xinit ) {
384	if ( ximg / yimg > ratio ) {
385	yinit = yimg;
386	xinit = yinit * ratio;
387	} else {
388	xinit = ximg;
389	yinit = xinit / ratio;
390	}
391	}
392
393	jQuery('img#upload').imgAreaSelect({
394	handles: true,
395	keys: true,
396	aspectRatio: xinit + ':' + yinit,
397	show: true,
398	x1: 0,
399	y1: 0,
400	x2: xinit,
401	y2: yinit,
402	maxHeight: <?php echo HEADER_IMAGE_HEIGHT; ?>,
403	maxWidth: <?php echo HEADER_IMAGE_WIDTH; ?>,
404	onInit: function () {
405	jQuery('#width').val(xinit);
406	jQuery('#height').val(yinit);
407	},
408	onSelectChange: function(img, c) {
409	jQuery('#x1').val(c.x1);
410	jQuery('#y1').val(c.y1);
411	jQuery('#width').val(c.width);
412	jQuery('#height').val(c.height);
413	}
414	});
415	});
416	/* ]]> */
417	</script>
418	<?php
419	}
420
421	/**
422	* Display first step of custom header image page.
423	*
424	* @since 2.1.0
425	*/
426	function step_1() {
427	$this->process_default_headers();
428	?>
429
430	<div class="wrap">
431	<?php screen_icon(); ?>
432	<h2><?php _e('Custom Header'); ?></h2>
433
434	<?php if ( ! empty( $this->updated ) ) { ?>
435	<div id="message" class="updated">
436	<p><?php printf( __( 'Header updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p>
437	</div>
438	<?php } ?>
439
440	<h3><?php _e( 'Header Image' ) ?></h3>
441	<table class="form-table">
442	<tbody>
443
444
445	<tr valign="top">
446	<th scope="row"><?php _e( 'Preview' ); ?></th>
447	<td >
448	<?php if ( $this->admin_image_div_callback ) {
449	call_user_func( $this->admin_image_div_callback );
450	} else {
451	?>
452	<div id="headimg" style="max-width:<?php echo HEADER_IMAGE_WIDTH; ?>px;height:<?php echo HEADER_IMAGE_HEIGHT; ?>px;background-image:url(<?php esc_url ( header_image() ) ?>);">
453	<?php
454	if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) \|\| '' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) \|\| ! $this->header_text() )
455	$style = ' style="display:none;"';
456	else
457	$style = ' style="color:#' . get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) . ';"';
458	?>
459	<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php bloginfo('url'); ?>"><?php bloginfo( 'name' ); ?></a></h1>
460	<div id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></div>
461	</div>
462	<?php } ?>
463	</td>
464	</tr>
465
466	<tr valign="top">
467	<th scope="row"><?php _e( 'Upload Image' ); ?></th>
468	<td>
469	<p><?php _e( 'You can upload a custom header image to be shown at the top of your site instead of the default one. On the next screen you will be able to crop the image.' ); ?><br />
470	<?php printf( __( 'Images of exactly <strong>%1$d × %2$d pixels</strong> will be used as-is.' ), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT ); ?></p>
471	<form enctype="multipart/form-data" id="upload-form" method="post" action="<?php echo esc_attr( add_query_arg( 'step', 2 ) ) ?>">
472	<p>
473	<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />
474	<input type="file" id="upload" name="import" />
475	<input type="hidden" name="action" value="save" />
476	<?php wp_nonce_field( 'custom-header-upload', '_wpnonce-custom-header-upload' ) ?>
477	<input type="submit" class="button" value="<?php esc_attr_e( 'Upload' ); ?>" />
478	</p>
479	</form>
480	</td>
481	</tr>
482
483	</tbody>
484	</table>
485
486	<form method="post" action="<?php echo esc_attr( add_query_arg( 'step', 1 ) ) ?>">
487	<table class="form-table">
488	<tbody>
489	<?php if ( ! empty( $this->default_headers ) ) : ?>
490	<tr valign="top">
491	<th scope="row"><?php _e( 'Default Images' ); ?></th>
492	<td>
493	<p><?php _e( 'If you don‘t want to upload your own image, you can use one of these cool headers.' ) ?></p>
494	<?php
495	$this->show_default_header_selector();
496	?>
497	</td>
498	</tr>
499	<?php endif;
500
501	?>
502	<tr valign="top">
503	<th scope="row"><?php _e( 'Alternative Text' ); ?></th>
504	<td>
505	<fieldset>
506	<legend class="screen-reader-text">
507	<span><?php _e( 'Alternative Text' ); ?></span>
508	</legend>
509	<input type="text" name="alt-text" id="alt-text" value="<?php echo esc_attr(get_background_alt()) ?>" />
510	</fieldset></td>
511	</tr>
512	<?php
513	if ( get_header_image() ) : ?>
514	<tr valign="top">
515	<th scope="row"><?php _e( 'Remove Image' ); ?></th>
516	<td>
517	<p><?php _e( 'This will remove the header image. You will not be able to restore any customizations.' ) ?></p>
518	<input type="submit" class="button" name="removeheader" value="<?php esc_attr_e( 'Remove Header Image' ); ?>" />
519	</td>
520	</tr>
521	<?php endif;
522
523	if ( defined( 'HEADER_IMAGE' ) ) : ?>
524	<tr valign="top">
525	<th scope="row"><?php _e( 'Reset Image' ); ?></th>
526	<td>
527	<p><?php _e( 'This will restore the original header image. You will not be able to restore any customizations.' ) ?></p>
528	<input type="submit" class="button" name="resetheader" value="<?php esc_attr_e( 'Restore Original Header Image' ); ?>" />
529	</td>
530	</tr>
531	<?php endif; ?>
532	</tbody>
533	</table>
534
535	<?php if ( $this->header_text() ) : ?>
536	<h3><?php _e( 'Header Text' ) ?></h3>
537	<table class="form-table">
538	<tbody>
539	<tr valign="top" class="hide-if-no-js">
540	<th scope="row"><?php _e( 'Display Text' ); ?></th>
541	<td>
542	<p>
543	<?php $hidetext = get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ); ?>
544	<label><input type="radio" value="1" name="hidetext" id="hidetext"<?php checked( ( 'blank' == $hidetext \|\| empty( $hidetext ) ) ? true : false ); ?> /> <?php _e( 'No' ); ?></label>
545	<label><input type="radio" value="0" name="hidetext" id="showtext"<?php checked( ( 'blank' == $hidetext \|\| empty( $hidetext ) ) ? false : true ); ?> /> <?php _e( 'Yes' ); ?></label>
546	</p>
547	</td>
548	</tr>
549
550	<tr valign="top" id="text-color-row">
551	<th scope="row"><?php _e( 'Text Color' ); ?></th>
552	<td>
553	<p>
554	<input type="text" name="text-color" id="text-color" value="#<?php echo esc_attr( get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) ); ?>" />
555	<span class="description hide-if-js"><?php _e( 'If you want to hide header text, add <strong>#blank</strong> as text color.' );?></span>
556	<input type="button" class="button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color' ); ?>" id="pickcolor" />
557	</p>
558	<div id="color-picker" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div>
559	</td>
560	</tr>
561
562	<?php if ( defined('HEADER_TEXTCOLOR') && get_theme_mod('header_textcolor') ) { ?>
563	<tr valign="top">
564	<th scope="row"><?php _e('Reset Text Color'); ?></th>
565	<td>
566	<p><?php _e( 'This will restore the original header text. You will not be able to restore any customizations.' ) ?></p>
567	<input type="submit" class="button" name="resettext" value="<?php esc_attr_e( 'Restore Original Header Text' ); ?>" />
568	</td>
569	</tr>
570	<?php } ?>
571
572	</tbody>
573	</table>
574	<?php endif;
575
576	wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?>
577	<p class="submit"><input type="submit" class="button-primary" name="save-header-options" value="<?php esc_attr_e( 'Save Changes' ); ?>" /></p>
578	</form>
579	</div>
580
581	<?php }
582
583	/**
584	* Display second step of custom header image page.
585	*
586	* @since 2.1.0
587	*/
588	function step_2() {
589	check_admin_referer('custom-header-upload', '_wpnonce-custom-header-upload');
590	$overrides = array('test_form' => false);
591	$file = wp_handle_upload($_FILES['import'], $overrides);
592
593	if ( isset($file['error']) )
594	wp_die( $file['error'], __( 'Image Upload Error' ) );
595
596	$url = $file['url'];
597	$type = $file['type'];
598	$file = $file['file'];
599	$filename = basename($file);
600
601	// Construct the object array
602	$object = array(
603	'post_title' => $filename,
604	'post_content' => $url,
605	'post_mime_type' => $type,
606	'guid' => $url);
607
608	// Save the data
609	$id = wp_insert_attachment($object, $file);
610
611	list($width, $height, $type, $attr) = getimagesize( $file );
612
613	if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
614	// Add the meta-data
615	wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
616
617	set_theme_mod('header_image', esc_url($url));
618	do_action('wp_create_file_in_uploads', $file, $id); // For replication
619	return $this->finished();
620	} elseif ( $width > HEADER_IMAGE_WIDTH ) {
621	$oitar = $width / HEADER_IMAGE_WIDTH;
622	$image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
623	if ( is_wp_error( $image ) )
624	wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
625
626	$image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
627
628	$url = str_replace(basename($url), basename($image), $url);
629	$width = $width / $oitar;
630	$height = $height / $oitar;
631	} else {
632	$oitar = 1;
633	}
634	?>
635
636	<div class="wrap">
637	<?php screen_icon(); ?>
638	<h2><?php _e( 'Crop Header Image' ); ?></h2>
639
640	<form method="post" action="<?php echo esc_attr(add_query_arg('step', 3)); ?>">
641	<p class="hide-if-no-js"><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
642	<p class="hide-if-js"><strong><?php _e( 'You need Javascript to choose a part of the image.'); ?></strong></p>
643
644	<div id="crop_image" style="position: relative">
645	<img src="<?php echo esc_url( $url ); ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
646	</div>
647
648	<p class="submit">
649	<input type="hidden" name="x1" id="x1" value="0"/>
650	<input type="hidden" name="y1" id="y1" value="0"/>
651	<input type="hidden" name="width" id="width" value="<?php echo esc_attr( $width ); ?>"/>
652	<input type="hidden" name="height" id="height" value="<?php echo esc_attr( $height ); ?>"/>
653	<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr( $id ); ?>" />
654	<input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr( $oitar ); ?>" />
655	<?php wp_nonce_field( 'custom-header-crop-image' ) ?>
656	<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Crop and Publish' ); ?>" />
657	</p>
658	</form>
659	</div>
660	<?php
661	}
662
663	/**
664	* Display third step of custom header image page.
665	*
666	* @since 2.1.0
667	*/
668	function step_3() {
669	check_admin_referer('custom-header-crop-image');
670	if ( $_POST['oitar'] > 1 ) {
671	$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
672	$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
673	$_POST['width'] = $_POST['width'] * $_POST['oitar'];
674	$_POST['height'] = $_POST['height'] * $_POST['oitar'];
675	}
676
677	$original = get_attached_file( $_POST['attachment_id'] );
678
679	$cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
680	if ( is_wp_error( $cropped ) )
681	wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
682
683	$cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication
684
685	$parent = get_post($_POST['attachment_id']);
686	$parent_url = $parent->guid;
687	$url = str_replace(basename($parent_url), basename($cropped), $parent_url);
688
689	// Construct the object array
690	$object = array(
691	'ID' => $_POST['attachment_id'],
692	'post_title' => basename($cropped),
693	'post_content' => $url,
694	'post_mime_type' => 'image/jpeg',
695	'guid' => $url
696	);
697
698	// Update the attachment
699	wp_insert_attachment($object, $cropped);
700	wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) );
701
702	set_theme_mod('header_image', $url);
703
704	// cleanup
705	$medium = str_replace(basename($original), 'midsize-'.basename($original), $original);
706	@unlink( apply_filters( 'wp_delete_file', $medium ) );
707	@unlink( apply_filters( 'wp_delete_file', $original ) );
708
709	return $this->finished();
710	}
711
712	/**
713	* Display last step of custom header image page.
714	*
715	* @since 2.1.0
716	*/
717	function finished() {
718	$this->updated = true;
719	$this->step_1();
720	}
721
722	/**
723	* Display the page based on the current step.
724	*
725	* @since 2.1.0
726	*/
727	function admin_page() {
728	if ( ! current_user_can('edit_theme_options') )
729	wp_die(__('You do not have permission to customize headers.'));
730	$step = $this->step();
731	if ( 1 == $step )
732	$this->step_1();
733	elseif ( 2 == $step )
734	$this->step_2();
735	elseif ( 3 == $step )
736	$this->step_3();
737	}
738
739	}
740	?>

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Ticket #15926: custom-header.php

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