Wordpress 2.8-scripts
[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                 $page = add_theme_page(__('Custom Header'), __('Custom Header'), 'edit_themes', 'custom-header', array(&$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 ?>