Wordpress 2.7.1
[autoinstalls/wordpress.git] / wp-admin / custom-header.php
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                 $page = add_theme_page(__('Custom Image Header'), __('Custom Image Header'), 'edit_themes', 'custom-header', array(&$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('cropper');
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                 }
96         }
97
98         /**
99          * Execute custom header modification.
100          *
101          * @since unknown
102          */
103         function take_action() {
104                 if ( isset( $_POST['textcolor'] ) ) {
105                         check_admin_referer('custom-header');
106                         if ( 'blank' == $_POST['textcolor'] ) {
107                                 set_theme_mod('header_textcolor', 'blank');
108                         } else {
109                                 $color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['textcolor']);
110                                 if ( strlen($color) == 6 || strlen($color) == 3 )
111                                         set_theme_mod('header_textcolor', $color);
112                         }
113                 }
114                 if ( isset($_POST['resetheader']) ) {
115                         check_admin_referer('custom-header');
116                         remove_theme_mods();
117                 }
118         }
119
120         /**
121          * Execute Javascript depending on step.
122          *
123          * @since unknown
124          */
125         function js() {
126                 $step = $this->step();
127                 if ( 1 == $step )
128                         $this->js_1();
129                 elseif ( 2 == $step )
130                         $this->js_2();
131         }
132
133         /**
134          * Display Javascript based on Step 1.
135          *
136          * @since unknown
137          */
138         function js_1() { ?>
139 <script type="text/javascript">
140         var buttons = ['#name', '#desc', '#pickcolor', '#defaultcolor'];
141         var farbtastic;
142
143         function pickColor(color) {
144                 jQuery('#name').css('color', color);
145                 jQuery('#desc').css('color', color);
146                 jQuery('#textcolor').val(color);
147                 farbtastic.setColor(color);
148         }
149
150         jQuery(document).ready(function() {
151                 jQuery('#pickcolor').click(function() {
152                         jQuery('#colorPickerDiv').show();
153                 });
154
155                 jQuery('#hidetext').click(function() {
156                         toggle_text();
157                 });
158
159                 farbtastic = jQuery.farbtastic('#colorPickerDiv', function(color) { pickColor(color); });
160                 pickColor('#<?php echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR); ?>');
161
162                 <?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
163                 toggle_text();
164                 <?php } ?>
165         });
166
167         jQuery(document).mousedown(function(){
168                 // Make the picker disappear, since we're using it in an independant div
169                 hide_picker();
170         });
171
172         function colorDefault() {
173                 pickColor('#<?php echo HEADER_TEXTCOLOR; ?>');
174         }
175
176         function hide_picker(what) {
177                 var update = false;
178                 jQuery('#colorPickerDiv').each(function(){
179                         var id = jQuery(this).attr('id');
180                         if (id == what) {
181                                 return;
182                         }
183                         var display = jQuery(this).css('display');
184                         if (display == 'block') {
185                                 jQuery(this).fadeOut(2);
186                         }
187                 });
188         }
189
190         function toggle_text(force) {
191                 if(jQuery('#textcolor').val() == 'blank') {
192                         //Show text
193                         jQuery( buttons.toString() ).show();
194                         jQuery('#textcolor').val('<?php echo HEADER_TEXTCOLOR; ?>');
195                         jQuery('#hidetext').val('<?php _e('Hide Text'); ?>');
196                 }
197                 else {
198                         //Hide text
199                         jQuery( buttons.toString() ).hide();
200                         jQuery('#textcolor').val('blank');
201                         jQuery('#hidetext').val('<?php _e('Show Text'); ?>');
202                 }
203         }
204
205
206
207 </script>
208 <?php
209         }
210
211         /**
212          * Display Javascript based on Step 2.
213          *
214          * @since unknown
215          */
216         function js_2() { ?>
217 <script type="text/javascript">
218         function onEndCrop( coords, dimensions ) {
219                 jQuery( '#x1' ).val(coords.x1);
220                 jQuery( '#y1' ).val(coords.y1);
221                 jQuery( '#x2' ).val(coords.x2);
222                 jQuery( '#y2' ).val(coords.y2);
223                 jQuery( '#width' ).val(dimensions.width);
224                 jQuery( '#height' ).val(dimensions.height);
225         }
226
227         // with a supplied ratio
228         jQuery(document).ready(function() {
229                 var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>;
230                 var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>;
231                 var ratio = xinit / yinit;
232                 var ximg = jQuery('#upload').width();
233                 var yimg = jQuery('#upload').height();
234                 if ( yimg < yinit || ximg < xinit ) {
235                         if ( ximg / yimg > ratio ) {
236                                 yinit = yimg;
237                                 xinit = yinit * ratio;
238                         } else {
239                                 xinit = ximg;
240                                 yinit = xinit / ratio;
241                         }
242                 }
243                 new Cropper.Img(
244                         'upload',
245                         {
246                                 ratioDim: { x: xinit, y: yinit },
247                                 displayOnInit: true,
248                                 onEndCrop: onEndCrop
249                         }
250                 )
251         });
252 </script>
253 <?php
254         }
255
256         /**
257          * Display first step of custom header image page.
258          *
259          * @since unknown
260          */
261         function step_1() {
262                 if ( $_GET['updated'] ) { ?>
263 <div id="message" class="updated fade">
264 <p><?php _e('Header updated.') ?></p>
265 </div>
266                 <?php } ?>
267
268 <div class="wrap">
269 <?php screen_icon(); ?>
270 <h2><?php _e('Your Header Image'); ?></h2>
271 <p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
272
273 <div id="headimg" style="background-image: url(<?php clean_url(header_image()) ?>);">
274 <h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
275 <div id="desc"><?php bloginfo('description');?></div>
276 </div>
277 <?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
278 <form method="post" action="<?php echo admin_url('themes.php?page=custom-header&amp;updated=true') ?>">
279 <input type="button" value="<?php _e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
280 <input type="button" value="<?php _e('Select a Text Color'); ?>" id="pickcolor" /><input type="button" value="<?php _e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" />
281 <?php wp_nonce_field('custom-header') ?>
282 <input type="hidden" name="textcolor" id="textcolor" value="#<?php attribute_escape(header_textcolor()) ?>" /><input name="submit" type="submit" value="<?php _e('Save Changes'); ?>" /></form>
283 <?php } ?>
284
285 <div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;display:none;"> </div>
286 </div>
287 <div class="wrap">
288 <h2><?php _e('Upload New Header Image'); ?></h2><p><?php _e('Here you can upload a custom header image to be shown at the top of your blog instead of the default one. On the next screen you will be able to crop the image.'); ?></p>
289 <p><?php printf(__('Images of exactly <strong>%1$d x %2$d pixels</strong> will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?></p>
290
291 <form enctype="multipart/form-data" id="uploadForm" method="POST" action="<?php echo attribute_escape(add_query_arg('step', 2)) ?>" style="margin: auto; width: 50%;">
292 <label for="upload"><?php _e('Choose an image from your computer:'); ?></label><br /><input type="file" id="upload" name="import" />
293 <input type="hidden" name="action" value="save" />
294 <?php wp_nonce_field('custom-header') ?>
295 <p class="submit">
296 <input type="submit" value="<?php _e('Upload'); ?>" />
297 </p>
298 </form>
299
300 </div>
301
302                 <?php if ( get_theme_mod('header_image') || get_theme_mod('header_textcolor') ) : ?>
303 <div class="wrap">
304 <h2><?php _e('Reset Header Image and Color'); ?></h2>
305 <p><?php _e('This will restore the original header image and color. You will not be able to retrieve any customizations.') ?></p>
306 <form method="post" action="<?php echo attribute_escape(add_query_arg('step', 1)) ?>">
307 <?php wp_nonce_field('custom-header'); ?>
308 <input type="submit" name="resetheader" value="<?php _e('Restore Original Header'); ?>" />
309 </form>
310 </div>
311                 <?php endif;
312
313         }
314
315         /**
316          * Display second step of custom header image page.
317          *
318          * @since unknown
319          */
320         function step_2() {
321                 check_admin_referer('custom-header');
322                 $overrides = array('test_form' => false);
323                 $file = wp_handle_upload($_FILES['import'], $overrides);
324
325                 if ( isset($file['error']) )
326                 die( $file['error'] );
327
328                 $url = $file['url'];
329                 $type = $file['type'];
330                 $file = $file['file'];
331                 $filename = basename($file);
332
333                 // Construct the object array
334                 $object = array(
335                 'post_title' => $filename,
336                 'post_content' => $url,
337                 'post_mime_type' => $type,
338                 'guid' => $url);
339
340                 // Save the data
341                 $id = wp_insert_attachment($object, $file);
342
343                 list($width, $height, $type, $attr) = getimagesize( $file );
344
345                 if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
346                         // Add the meta-data
347                         wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
348
349                         set_theme_mod('header_image', clean_url($url));
350                         do_action('wp_create_file_in_uploads', $file, $id); // For replication
351                         return $this->finished();
352                 } elseif ( $width > HEADER_IMAGE_WIDTH ) {
353                         $oitar = $width / HEADER_IMAGE_WIDTH;
354                         $image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
355                         $image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
356
357                         $url = str_replace(basename($url), basename($image), $url);
358                         $width = $width / $oitar;
359                         $height = $height / $oitar;
360                 } else {
361                         $oitar = 1;
362                 }
363                 ?>
364
365 <div class="wrap">
366
367 <form method="POST" action="<?php echo attribute_escape(add_query_arg('step', 3)) ?>">
368
369 <p><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
370 <div id="testWrap" style="position: relative">
371 <img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
372 </div>
373
374 <p class="submit">
375 <input type="hidden" name="x1" id="x1" />
376 <input type="hidden" name="y1" id="y1" />
377 <input type="hidden" name="x2" id="x2" />
378 <input type="hidden" name="y2" id="y2" />
379 <input type="hidden" name="width" id="width" />
380 <input type="hidden" name="height" id="height" />
381 <input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo $id; ?>" />
382 <input type="hidden" name="oitar" id="oitar" value="<?php echo $oitar; ?>" />
383 <?php wp_nonce_field('custom-header') ?>
384 <input type="submit" value="<?php _e('Crop Header'); ?>" />
385 </p>
386
387 </form>
388 </div>
389                 <?php
390         }
391
392         /**
393          * Display third step of custom header image page.
394          *
395          * @since unknown
396          */
397         function step_3() {
398                 check_admin_referer('custom-header');
399                 if ( $_POST['oitar'] > 1 ) {
400                         $_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
401                         $_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
402                         $_POST['width'] = $_POST['width'] * $_POST['oitar'];
403                         $_POST['height'] = $_POST['height'] * $_POST['oitar'];
404                 }
405
406                 $original = get_attached_file( $_POST['attachment_id'] );
407
408                 $cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
409                 $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication
410
411                 $parent = get_post($_POST['attachment_id']);
412                 $parent_url = $parent->guid;
413                 $url = str_replace(basename($parent_url), basename($cropped), $parent_url);
414
415                 // Construct the object array
416                 $object = array(
417                         'ID' => $_POST['attachment_id'],
418                         'post_title' => basename($cropped),
419                         'post_content' => $url,
420                         'post_mime_type' => 'image/jpeg',
421                         'guid' => $url
422                 );
423
424                 // Update the attachment
425                 wp_insert_attachment($object, $cropped);
426                 wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) );
427
428                 set_theme_mod('header_image', $url);
429
430                 // cleanup
431                 $medium = str_replace(basename($original), 'midsize-'.basename($original), $original);
432                 @unlink( apply_filters( 'wp_delete_file', $medium ) );
433                 @unlink( apply_filters( 'wp_delete_file', $original ) );
434
435                 return $this->finished();
436         }
437
438         /**
439          * Display last step of custom header image page.
440          *
441          * @since unknown
442          */
443         function finished() {
444                 ?>
445 <div class="wrap">
446 <h2><?php _e('Header complete!'); ?></h2>
447
448 <p><?php _e('Visit your site and you should see the new header now.'); ?></p>
449
450 </div>
451                 <?php
452         }
453
454         /**
455          * Display the page based on the current step.
456          *
457          * @since unknown
458          */
459         function admin_page() {
460                 $step = $this->step();
461                 if ( 1 == $step )
462                         $this->step_1();
463                 elseif ( 2 == $step )
464                         $this->step_2();
465                 elseif ( 3 == $step )
466                         $this->step_3();
467         }
468
469 }
470 ?>