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Image Source Control Lite – Show Image Credits and Captions / 1.3.3
Image Source Control Lite – Show Image Credits and Captions v1.3.3
3.12.0 3.11.0 trunk 1.1 1.1.1 1.1.2 1.1.2.1 1.1.3 1.10 1.10.1 1.10.2 1.10.3 1.10.4 1.10.5 1.2 1.2.0.1 1.2.0.2 1.2.0.3 1.3.0 1.3.1 1.3.2 1.3.3 1.3.4 1.3.4.1 1.3.5 All 110 releases
← All changes | isc.php +1515 -45 trunk → 1.3.3 View file →
@@ -1,58 +1,1528 @@
1 1 <?php
2 -/**
3 - * Plugin Name: Image Source Control Lite
4 - * Version: 3.12.0
5 - * Plugin URI: https://imagesourcecontrol.com/
6 - * Description: Image Source Control saves the source of an image, lists them and warns if it is missing.
7 - * Author: Thomas Maier
8 - * Author URI: https://imagesourcecontrol.com/
9 - * License: GPL v3
2 +/*
3 + Plugin Name: Image Source Control
4 + Version: 1.3.3
5 + Plugin URI: http://webgilde.com/en/image-source-control/
6 + Description: The Image Source Control saves the source of an image, lists them and warns if it is missing.
7 + Author: Thomas Maier
8 + Author URI: http://www.webgilde.com/
9 + License: GPL v3
10 +
11 + Image Source Control Plugin for WordPress
12 + Copyright (C) 2012, Thomas Maier - thomas.maier@webgilde.com
13 +
14 + This program is free software: you can redistribute it and/or modify
15 + it under the terms of the GNU General Public License as published by
16 + the Free Software Foundation, either version 3 of the License, or
17 + (at your option) any later version.
18 +
19 + This program is distributed in the hope that it will be useful,
20 + but WITHOUT ANY WARRANTY; without even the implied warranty of
21 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 + GNU General Public License for more details.
23 +
24 + You should have received a copy of the GNU General Public License
25 + along with this program. If not, see <http://www.gnu.org/licenses/>.
10 26 *
11 - * Image Source Control Plugin for WordPress
12 - * Copyright (C) 2012-2026, Thomas Maier & webgilde GmbH
27 + * Followed the following tutorials
28 + * http://wpengineer.com/2076/add-custom-field-attachment-in-wordpress/
29 + * http://bueltge.de/eigene-felder-dateiverwaltung-wordpress/1226/ (same like above, but in German)
13 30 *
14 - * This program is free software: you can redistribute it and/or modify
15 - * it under the terms of the GNU General Public License as published by
16 - * the Free Software Foundation, either version 3 of the License, or
17 - * (at your option) any later version.
18 31 *
19 - * This program is distributed in the hope that it will be useful,
20 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 - * GNU General Public License for more details.
23 - *
24 - * You should have received a copy of the GNU General Public License
25 - * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 32 */
27 33
28 -if ( defined( 'ISCVERSION' ) ) {
29 - wp_die( 'You can only activate Image Source Control once. Please disable the other version first.' );
34 +//avoid direct calls to this file
35 +if (!function_exists('add_action')) {
36 + header('Status: 403 Forbidden');
37 + header('HTTP/1.1 403 Forbidden');
38 + exit();
30 39 }
31 40
32 -define( 'ISCVERSION', '3.12.0' );
33 -define( 'ISCNAME', 'Image Source Control' );
34 -define( 'ISCDIR', basename( __DIR__ ) );
35 -define( 'ISCPATH', plugin_dir_path( __FILE__ ) );
36 -define( 'ISCBASE', plugin_basename( __FILE__ ) ); // plugin base as used by WordPress to identify it.
37 -define( 'ISCBASEURL', plugin_dir_url( __FILE__ ) ); // URL to the plugin directory.
41 +define('ISCVERSION', '1.3.3');
42 +define('ISCNAME', 'Image Source Control');
43 +define('ISCTEXTDOMAIN', 'isc');
44 +define('ISCDIR', basename(dirname(__FILE__)));
45 +define('ISCPATH', plugin_dir_path(__FILE__));
46 +define('WEBGILDE', 'http://webgilde.com/en/image-source-control');
38 47
39 -// Load the autoloader.
40 -require_once ISCPATH . 'includes/class-autoloader.php';
41 -\ISC\Autoloader::get()->initialize();
48 +load_plugin_textdomain(ISCTEXTDOMAIN, false, dirname(plugin_basename(__FILE__)) . '/languages/');
42 49
43 -if ( is_admin() ) {
44 - new ISC\Admin();
45 -} elseif ( ! is_admin() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
46 - // include frontend functions.
47 - new ISC_Public();
48 - require_once ISCPATH . 'includes/functions.php';
49 -}
50 +if (!class_exists('ISC_CLASS')) {
50 51
51 -// deprecated. Added here for backward compatibility. Will be removed in future versions.
52 -new ISC_Class();
52 + class ISC_CLASS
53 + {
54 + /**
55 + * define default meta fields
56 + */
57 + protected $_fields = array(
58 + 'image_source' => array(
59 + 'id' => 'isc_image_source',
60 + 'default' => '',
61 + ),
62 + 'image_source_own' => array(
63 + 'id' => 'isc_image_source_own',
64 + 'default' => '',
65 + ),
66 + 'image_posts' => array(
67 + 'id' => 'isc_image_posts',
68 + 'default' => array()
69 + )
70 + );
53 71
54 -if ( ! class_exists( 'ISC_Pro_Model', false ) && file_exists( ISCPATH . 'pro/isc-pro.php' ) ) {
55 - require_once ISCPATH . 'pro/isc-pro.php';
72 + /**
73 + * Commonly used text elements
74 + */
75 + protected $_common_texts = array();
76 +
77 + /**
78 + * allowed image file types/extensions
79 + * @since 1.1
80 + */
81 + protected $_allowedExtensions = array(
82 + 'jpg', 'png', 'gif', 'jpeg'
83 + );
84 +
85 + /**
86 + * Thumbnail size in list of all images.
87 + * @since 1.2
88 + */
89 + protected $_thumbnail_size = array('thumbnail', 'medium', 'large', 'custom');
90 +
91 + /**
92 + * options saved in the db
93 + * @since 1.2
94 + */
95 + protected $_options = array();
96 +
97 + /**
98 + * Position of image's caption
99 + */
100 + protected $_caption_position = array(
101 + 'top-left',
102 + 'top-center',
103 + 'top-right',
104 + 'center',
105 + 'bottom-left',
106 + 'bottom-center',
107 + 'bottom-right'
108 + );
109 +
110 + /**
111 + * Setup registers filterts and actions.
112 + */
113 + public function __construct()
114 + {
115 + // load all plugin options
116 + $this->_options = get_option('isc_options');
117 + $this->_common_texts['not_available'] = __('Not available', ISCTEXTDOMAIN);
118 +
119 + // insert all function for the frontend here
120 +
121 + add_shortcode('isc_list', array($this, 'list_post_attachments_with_sources_shortcode'));
122 + add_shortcode('isc_list_all', array($this, 'list_all_post_attachments_sources_shortcode'));
123 + add_action('wp_enqueue_scripts', array($this, 'front_scripts'));
124 + add_action('wp_head', array($this, 'front_head'));
125 + add_action('the_content', array($this, 'content_filter'));
126 + // insert all backend functions below this check
127 + if (!current_user_can('upload_files')) {
128 + return false;
129 + }
130 +
131 + register_activation_hook(ISCPATH . '/isc.php', array($this, 'activation'));
132 +
133 + add_action('add_attachment', array($this, 'attachment_added'), 10, 2);
134 + add_filter('attachment_fields_to_edit', array($this, 'add_isc_fields'), 10, 2);
135 + add_filter('attachment_fields_to_save', array($this, 'isc_fields_save'), 10, 2);
136 +
137 + add_action('admin_notices', array($this, 'admin_notices'));
138 +
139 + add_action('admin_menu', array($this, 'create_menu'));
140 + add_action('admin_init', array($this, 'SAPI_init'));
141 +
142 + add_action('admin_enqueue_scripts', array($this, 'add_admin_scripts'));
143 + add_action( 'admin_print_scripts', array($this, 'admin_headjs') );
144 +
145 + // save image information in meta field when a post is saved
146 + add_action('save_post', array($this, 'save_image_information_on_post_save'));
147 + }
148 +
149 + public function get_source_by_url($url)
150 + {
151 + $id = $this->get_image_by_url($url);
152 + $metadata['source'] = get_post_meta($id, 'isc_image_source', true);
153 + $metadata['own'] = get_post_meta($id, 'isc_image_source_own', true);
154 +
155 + $source = $this->_common_texts['not_available'];
156 +
157 + $att_post = get_post($id);
158 +
159 + if ('' != $metadata['own']) {
160 + if ($this->_options['use_authorname']) {
161 + if (!empty($att_post)) {
162 + $source = get_the_author_meta('display_name', $att_post->post_author);
163 + }
164 + } else {
165 + $source = $this->options['by_author_text'];
166 + }
167 + } else {
168 + if ('' != $metadata['source']) {
169 + $source = $metadata['source'];
170 + }
171 + }
172 + return $source;
173 + }
174 +
175 + public function content_filter($content)
176 + {
177 + $options = $this->get_isc_options();
178 + if ($options['source_on_image']) {
179 + $pattern = '#(\[caption.*align="(.+)"[^\]*]{0,}\])? *(<a [^>]+>)? *(<img .*class=".*(align\d{4,})?.*wp-image-(\d+)\D*".*src="(.+)".*/?>).*(?(3)(?:</a>)|.*).*(?(1)(?:\[/caption\])|.*)#isU';
180 + $count = preg_match_all($pattern, $content, $matches);
181 + if (false !== $count) {
182 + for ($i=0; $i < $count; $i++) {
183 + $id = $matches[6][$i];
184 + $src = $matches[7][$i];
185 + $source = '<p class="isc-source-text">' . $options['source_pretext'] . ' ' . $this->get_source_by_url($src) . '</p>';
186 + $old_content = $matches[0][$i];
187 + $new_content = str_replace('wp-image-' . $id, 'wp-image-' . $id . ' with-source', $old_content);
188 + $alignment = (!empty($matches[1][$i]))? $matches[2][$i] : $matches[5][$i];
189 +
190 + $content = str_replace($old_content, '<div id="isc_attachment_' . $id . '" class="isc-source ' . $alignment . '"> ' . $new_content . $source . '</div>', $content);
191 + }
192 + }
193 + }
194 + return $content;
195 + }
196 +
197 + public function attachment_added($att_id)
198 + {
199 + foreach ($this->_fields as $field) {
200 + update_post_meta($att_id, $field['id'], $field['default']);
201 + }
202 + }
203 +
204 + /**
205 + * Front-end scripts in <head /> section.
206 + */
207 + public function front_head()
208 + {
209 + $options = $this->get_isc_options();
210 + ?>
211 + <script type="text/javascript">
212 + /* <![CDATA[ */
213 + var isc_front_data =
214 + {
215 + caption_position : '<?php echo $options['caption_position']; ?>',
216 + }
217 + /* ]]> */
218 + </script>
219 + <?php
220 + }
221 +
222 + /**
223 + * Enqueue scripts for the front-end.
224 + */
225 + public function front_scripts() {
226 + wp_enqueue_script('isc_front_js', plugins_url('/js/front-js.js', __FILE__), array('jquery'), ISCVERSION);
227 + }
228 +
229 + /**
230 + * create the menu pages for isc
231 + */
232 + public function create_menu()
233 + {
234 + global $isc_missing;
235 + global $isc_setting;
236 +
237 + /**
238 + * Check if the page is already created.
239 + */
240 + if (empty($isc_missing)) {
241 + // these pages should be accessible by editors and higher
242 + $isc_missing = add_submenu_page('upload.php', 'missing image sources by Image Source Control Plugin', __('Missing Sources', ISCTEXTDOMAIN), 'edit_others_posts', ISCPATH . '/templates/missing_sources.php', '');
243 + $isc_setting = add_options_page(__('Image control - ISC plugin', ISCTEXTDOMAIN), __('Image Control', ISCTEXTDOMAIN), 'edit_others_posts', 'isc_settings_page', array($this, 'render_isc_settings_page'));
244 + }
245 + }
246 +
247 + /**
248 + * add scripts to admin pages
249 + * @since 1.0
250 + * @update 1.1.1
251 + */
252 + public function add_admin_scripts($hook)
253 + {
254 + global $isc_setting;
255 + if ('post.php' == $hook) {
256 + wp_enqueue_script('isc_postphp_script', plugins_url('/js/post.php.js', __FILE__), array('jquery'), ISCVERSION);
257 + }
258 + if ($hook == $isc_setting) {
259 + wp_enqueue_script('isc_script', plugins_url('/js/isc.js', __FILE__), false, ISCVERSION);
260 + wp_enqueue_style('isc_image_settings_css', plugins_url('/css/image-settings.css', __FILE__), false, ISCVERSION);
261 + }
262 + }
263 +
264 + /**
265 + * add custom field to attachment
266 + * @param arr $form_fields
267 + * @param object $post
268 + * @return arr
269 + * @since 1.0
270 + * @updated 1.1
271 + */
272 + public function add_isc_fields($form_fields, $post)
273 + {
274 + // add input field for source
275 + $form_fields['isc_image_source']['label'] = __('Image Source', ISCTEXTDOMAIN);
276 + $form_fields['isc_image_source']['value'] = get_post_meta($post->ID, 'isc_image_source', true);
277 + $form_fields['isc_image_source']['helps'] = __('Include the image source here.', ISCTEXTDOMAIN);
278 +
279 + // add checkbox to mark as your own image
280 + $form_fields['isc_image_source_own']['input'] = 'html';
281 + $form_fields['isc_image_source_own']['label'] = '';
282 + $form_fields['isc_image_source_own']['helps'] =
283 + __('Check this box if this is your own image and doesn\'t need a source.', ISCTEXTDOMAIN);
284 + $form_fields['isc_image_source_own']['html'] =
285 + "<input type='checkbox' value='1' name='attachments[{$post->ID}][isc_image_source_own]' id='attachments[{$post->ID}][isc_image_source_own]' "
286 + . checked(get_post_meta($post->ID, 'isc_image_source_own', true), 1, false )
287 + . " style=\"width:14px\"/> "
288 + . __('This is my image', ISCTEXTDOMAIN);
289 +
290 + return $form_fields;
291 + }
292 +
293 + /**
294 + * save image source to post_meta
295 + * @param object $post
296 + * @param $attachment
297 + * @return object $post
298 + */
299 + public function isc_fields_save($post, $attachment)
300 + {
301 + if (isset($attachment['isc_image_source'])) {
302 + update_post_meta($post['ID'], 'isc_image_source', $attachment['isc_image_source']);
303 + }
304 + update_post_meta($post['ID'], 'isc_image_source_own', $attachment['isc_image_source_own']);
305 + return $post;
306 + }
307 +
308 + /**
309 + * create image sources list for all images of this post
310 + * @since 1.0
311 + * @update 1.1
312 + * @param int $post_id id of the current post/page
313 + * @return echo output
314 + */
315 + public function list_post_attachments_with_sources($post_id = 0)
316 + {
317 + global $post;
318 +
319 + if (empty($post_id)) {
320 + if (!empty($post->ID)) {
321 + $post_id = $post->ID;
322 + } else {
323 + return;
324 + }
325 + }
326 +
327 + $attachments = get_post_meta($post_id, 'isc_post_images', true);
328 + // if attachments is an empty string, search for images in it
329 + if ($attachments == '') {
330 + $this->save_image_information_on_load();
331 + $this->update_image_posts_meta($post_id, $post->post_content);
332 +
333 + $attachments = get_post_meta($post_id, 'isc_post_images', true);
334 + }
335 +
336 + $return = '';
337 + if (!empty($attachments)) {
338 + $atts = array();
339 + foreach ($attachments as $attachment_id => $attachment_array) {
340 + $atts[$attachment_id]['title'] = get_the_title($attachment_id);
341 + $own = get_post_meta($attachment_id, 'isc_image_source_own', true);
342 + $source = get_post_meta($attachment_id, 'isc_image_source', true);
343 +
344 + if ( $own == '' && $source == '' ) {
345 + // remove if no information set
346 + unset($atts[$attachment_id]);
347 + continue;
348 + } elseif ($own != '') {
349 + if ($this->_options['use_authorname']) {
350 + $authorname = '';
351 + $att_post = get_post($attachment_id);
352 + if (null !== $att_post) {
353 + $authorname = get_the_author_meta('display_name', $att_post->post_author);
354 + }
355 + $atts[$attachment_id ]['source'] = $authorname;
356 + } else {
357 + $atts[$attachment_id ]['source'] = $this->_options['by_author_text'];
358 + }
359 + } else {
360 + $atts[$attachment_id ]['source'] = $source;
361 + }
362 + }
363 +
364 + $return = $this->_renderAttachments($atts);
365 + }
366 +
367 + return $return;
368 + }
369 +
370 + /**
371 + * @param array $attachments
372 + */
373 + protected function _renderAttachments($attachments)
374 + {
375 + // don't display anything, if no image sources displayed
376 + if ($attachments == array()) {
377 + return ;
378 + }
379 +
380 + $options = $this->get_isc_options();
381 + $show_text = __('Show the list', ISCTEXTDOMAIN);
382 + $hide_text = __('Hide the list', ISCTEXTDOMAIN);
383 +
384 + ob_start();
385 + $headline = $this->_options['image_list_headline'];
386 + $hide_style = ($options['hide_list'])? 'style="height: 0px; overflow: hidden;"': 'style="height: 100%; overflow: hidden;"';
387 + $hide_class = ($options['hide_list'])? ' isc-list-up': ' isc-list-down';
388 + $hide_title = ($options['hide_list'])? $show_text : $hide_text;
389 + printf('<p class="isc_image_list_title" title="%2$s" style="cursor: pointer;">%1$s</p>', $headline, $hide_title); ?>
390 + <script type="text/javascript">
391 + /* <!--[CDATA[ */
392 + isc_jstext = {
393 + show_list: "<?php echo esc_attr($show_text); ?>",
394 + hide_list: "<?php echo esc_attr($hide_text); ?>"
395 + }
396 + /* ]]--> */
397 + </script>
398 + <ul class="isc_image_list <?php echo $hide_class; ?>"<?php echo $hide_style; ?>><?php
399 +
400 + foreach ($attachments as $atts_id => $atts_array) {
401 + if (empty($atts_array['source'])) {
402 + continue;
403 + }
404 + printf('<li>%1$s: %2$s</li>', $atts_array['title'], $atts_array['source']);
405 + }
406 + ?></ul><?php
407 + return ob_get_clean();
408 + }
409 +
410 + /**
411 + * shortcode function to list all image sources
412 + * @param arr $atts
413 + */
414 + public function list_post_attachments_with_sources_shortcode($atts = array())
415 + {
416 + global $post;
417 + extract(shortcode_atts(array('id' => 0), $atts));
418 +
419 + // if $id not set, use the current ID from the post
420 + if (empty($id)) {
421 + $id = $post->ID;
422 + }
423 +
424 + if (empty($id)) {
425 + return;
426 + }
427 + return $this->list_post_attachments_with_sources($id);
428 + }
429 +
430 + /**
431 + * get all attachments without sources
432 + * the downside of this function: is there is not even an empty metakey field, nothing is going to be retrieved
433 + * @todo fix this in WP 3.5 with compare => 'NOT EXISTS'
434 + */
435 + public function get_attachments_without_sources()
436 + {
437 + $args = array(
438 + 'post_type' => 'attachment',
439 + 'numberposts' => -1,
440 + 'post_status' => null,
441 + 'post_parent' => null,
442 + 'meta_query' => array(
443 + // image source is empty
444 + array(
445 + 'key' => 'isc_image_source',
446 + 'value' => '',
447 + 'compare' => '=',
448 + ),
449 + // and image source is not set
450 + array(
451 + 'key' => 'isc_image_source_own',
452 + 'value' => '1',
453 + 'compare' => '!=',
454 + ),
455 + )
456 + );
457 +
458 + $attachments = get_posts($args);
459 + if (!empty($attachments)) {
460 + return $attachments;
461 + }
462 + }
463 +
464 + /**
465 + * add meta values to all attachments
466 + * @todo probably need to fix this when more fields are added along the way
467 + * @todo use compare => 'NOT EXISTS' when WP 3.5 is up to retrieve only values where it is not set
468 + * @todo this currently updates all empty fields; empty in this context is empty string, 0, false or not existing; add check if meta field already existed before
469 + */
470 + public function add_meta_values_to_attachments()
471 + {
472 + // retrieve all attachments
473 + $args = array(
474 + 'post_type' => 'attachment',
475 + 'numberposts' => -1,
476 + 'post_status' => null,
477 + 'post_parent' => null,
478 + );
479 +
480 + $attachments = get_posts($args);
481 + if (empty($attachments)) {
482 + return;
483 + }
484 +
485 + $count = 0;
486 + foreach ($attachments as $_attachment) {
487 + $set = false;
488 + setup_postdata($_attachment);
489 + foreach ($this->_fields as $_field) {
490 + $meta = get_post_meta($_attachment->ID, $_field['id'], true);
491 + if (empty($meta)) {
492 + update_post_meta($_attachment->ID, $_field['id'], $_field['default']);
493 + $set = true;
494 + }
495 + }
496 + if ($set) {
497 + $count++;
498 + }
499 + }
500 + }
501 +
502 + /**
503 + * Display scripts in <head></head> section of admin page. Useful for creating js variables in the js global namespace.
504 + */
505 + public function admin_headjs()
506 + {
507 + global $pagenow;
508 + $options = $this->get_isc_options();
509 + if ('post.php' == $pagenow) {
510 + ?>
511 + <script type="text/javascript">
512 + /* <![CDATA[ */
513 + isc_data = {
514 + warning_nosource : <?php echo (($options['warning_nosource'])? 'true' : 'false'); ?>,
515 + block_form_message : '<?php _e('Please specify the image source', ISCTEXTDOMAIN); ?>'
516 + }
517 + /* ]]> */
518 + </script>
519 + <?php
520 + }
521 + }
522 +
523 + /**
524 + * show the loading image from wp-admin/images/loading.gif
525 + * @param bool $display should this be displayed directly or hidden? via inline css
526 + */
527 + public function show_loading_image($display = true)
528 + {
529 + $img_path = admin_url("/images/loading.gif");
530 + $file_path = ABSPATH . "wp-admin/images/loading.gif";
531 + if (file_exists($file_path)) {
532 + echo '<span id="isc_loading_img" style="display: none;"><img src="' . $img_path . '" width="16" height="16" alt="loading"/></span>';
533 + }
534 + }
535 +
536 + /**
537 + * this is an entry function to save image information to a post when it is saved
538 + * @since 1.1
539 + * @param type $post_id
540 + */
541 + public function save_image_information_on_post_save($post_id)
542 + {
543 + // return, if save_post is called more than one time
544 + if (did_action('save_post') !== 1) {
545 + return;
546 + }
547 +
548 + if (isset($_POST['post_type']) && 'attachment' == $_POST['post_type']) {
549 + return;
550 + }
551 +
552 + // check if this is a revision and if so, use parent post id
553 + if ($_id = wp_is_post_revision($post_id)) {
554 + $post_id = $_id;
555 + }
556 +
557 + $_content = '';
558 + if ( !empty( $_REQUEST['content']) ) $_content = stripslashes($_REQUEST['content']);
559 +
560 + // Needs to be called before the 'isc_post_images' field is updated.
561 + $this->update_image_posts_meta($post_id, $_content);
562 +
563 + $this->save_image_information($post_id, $_content);
564 + }
565 +
566 + /**
567 + * save image information for a post when it is viewed and the image source list is enabled
568 + * (this is in case the plugin is new and the current post wasn't saved before)
569 + *
570 + * @since 1.1
571 + */
572 + public function save_image_information_on_load()
573 + {
574 + global $post;
575 + if (empty($post->ID)) {
576 + return;
577 + }
578 +
579 + $post_id = $post->ID;
580 + $_content = $post->post_content;
581 +
582 + $this->save_image_information($post_id, $_content);
583 + }
584 +
585 + /**
586 + * retrieve images added to a post or page and save all information as a meta value
587 + * @since 1.1
588 + * @todo check for more post types that maybe should not be parsed here
589 + */
590 + public function save_image_information($post_id, $_content)
591 + {
592 + $_image_urls = $this->_filter_src_attributes($_content);
593 + $_imgs = array();
594 +
595 + foreach ($_image_urls as $_image_url) {
596 + // get ID of images by url
597 + $img_id = $this->get_image_by_url($_image_url);
598 + $_imgs[$img_id] = array(
599 + 'src' => $_image_url
600 + );
601 + }
602 +
603 + // add thumbnail information
604 + $thumb_id = get_post_thumbnail_id($post_id);
605 +
606 + /**
607 + * if an image is used both inside the post and as post thumbnail, the thumbnail entry overrides the regular image.
608 + */
609 + if ( !empty( $thumb_id )) {
610 + $_imgs[$thumb_id] = array(
611 + 'src' => wp_get_attachment_url($thumb_id),
612 + 'thumbnail' => true
613 + );
614 + }
615 +
616 + if (empty($_imgs)) {
617 + $_imgs = false;
618 + }
619 + update_post_meta($post_id, 'isc_post_images', $_imgs);
620 + }
621 +
622 + /**
623 + * filter image src attribute from text
624 + * @since 1.1
625 + * @updated 1.1.3
626 + * @return array with image src uris
627 + */
628 + public function _filter_src_attributes($content = '')
629 + {
630 + $srcs = array();
631 + if (empty($content))
632 + return $srcs;
633 +
634 + // parse HTML with DOM
635 + $dom = new DOMDocument;
636 +
637 + libxml_use_internal_errors(true);
638 + $content = mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8");
639 + $dom->loadHTML($content);
640 +
641 + // Prevents from sending E_WARNINGs notice (Outputs are forbidden during activation)
642 + libxml_clear_errors();
643 +
644 + foreach ($dom->getElementsByTagName('img') as $node) {
645 + $srcs[] = $node->getAttribute('src');
646 + }
647 +
648 + return $srcs;
649 + }
650 +
651 + /**
652 + * get image by url accessing the database directly
653 + * @since 1.1
654 + * @updated 1.1.3
655 + * @param string $url url of the image
656 + * @return id of the image
657 + */
658 + public function get_image_by_url($url = '')
659 + {
660 + if (empty($url)) {
661 + return 0;
662 + }
663 + $types = implode('|', $this->_allowedExtensions);
664 + // check for the format 'image-title-(e12452112-)300x200.jpg' and remove the image size and edit mark from it
665 + $newurl = preg_replace("/(-e\d+){0,1}-(\d+)x(\d+)\.({$types})$/i", '.${4}', $url);
666 + global $wpdb;
667 + $query = $wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE guid = %s", $newurl);
668 + $id = $wpdb->get_var($query);
669 + return $id;
670 + }
671 +
672 + /**
673 + * Update isc_image_posts meta field for all images found in a post with a given ID.
674 + * @param $post_id ID of the target post
675 + * @param $content content of the target post
676 + */
677 + public function update_image_posts_meta($post_id, $content)
678 + {
679 + $image_urls = $this->_filter_src_attributes($content);
680 + $image_ids = array();
681 + $added_images = array();
682 + $removed_images = array();
683 +
684 + // add thumbnail information
685 + $thumb_id = get_post_thumbnail_id($post_id);
686 + if ( !empty( $thumb_id )) { $image_urls[] = wp_get_attachment_url($thumb_id); }
687 +
688 + $isc_post_images = get_post_meta($post_id, 'isc_post_images', true);
689 +
690 + foreach ($image_urls as $url) {
691 + $id = intval($this->get_image_by_url($url));
692 + array_push($image_ids, $id);
693 + if (is_array($isc_post_images) && !array_key_exists($id, $isc_post_images)) {
694 + array_push($added_images, $id);
695 + }
696 + }
697 + if (is_array($isc_post_images)) {
698 + foreach ($isc_post_images as $old_id => $value) {
699 + if (!in_array($old_id, $image_ids)) {
700 + array_push($removed_images, $old_id);
701 + } else {
702 + if (!empty($old_id)) {
703 + $meta = get_post_meta($old_id, 'isc_image_posts', true);
704 + if (empty($meta)) {
705 + update_post_meta($old_id, 'isc_image_posts', array($post_id));
706 + } else {
707 + // In case the isc_image_posts is not up to date
708 + if (is_array($meta) && !in_array($post_id, $meta)) {
709 + array_push($meta, $post_id);
710 + update_post_meta($old_id, 'isc_image_posts', $meta);
711 + }
712 + }
713 + }
714 + }
715 + }
716 + }
717 +
718 + foreach ($added_images as $id) {
719 + $meta = get_post_meta($id, 'isc_image_posts', true);
720 + if (!is_array($meta) || array() == $meta) {
721 + update_post_meta($id, 'isc_image_posts', array($post_id));
722 + } else {
723 + array_push($meta, $post_id);
724 + update_post_meta($id, 'isc_image_posts', $meta);
725 + }
726 + }
727 +
728 + foreach ($removed_images as $id) {
729 + $image_meta = get_post_meta($id, 'isc_image_posts', true);
730 + if (is_array($image_meta)) {
731 + $offset = array_search($post_id, $image_meta);
732 + if (false !== $offset) {
733 + array_splice($image_meta, $offset, 1);
734 + update_post_meta($id, 'isc_image_posts', $image_meta);
735 + }
736 + }
737 + }
738 + }
739 +
740 + /**
741 + * create shortcode to list all image sources in the frontend
742 + * @param array $atts
743 + * @since 1.1.3
744 + * @todo link to the post
745 + */
746 + public function list_all_post_attachments_sources_shortcode($atts = array())
747 + {
748 +
749 + /**
750 + * @todo why not translate here with the code below?
751 + * > Because the two if statements below will need to call gettext (again) for comparing values.
752 + */
753 + extract(shortcode_atts(array(
754 + 'per_page' => 99999,
755 + 'before_links' => '',
756 + 'after_links' => '',
757 + 'prev_text' => '&#171; Previous',
758 + 'next_text' => 'Next &#187;'
759 + ),
760 + $atts));
761 +
762 + /**
763 + * @todo why not include this into the array above?
764 + */
765 + if ('&#171; Previous' == $prev_text)
766 + $prev_text = __('&#171; Previous', ISCTEXTDOMAIN);
767 + if ('Next &#187;' == $next_text)
768 + $next_text = __('Next &#187;', ISCTEXTDOMAIN);
769 +
770 + // retrieve all attachments
771 + $args = array(
772 + 'post_type' => 'attachment',
773 + 'numberposts' => -1,
774 + 'post_status' => null,
775 + 'post_parent' => null,
776 + 'meta_query' => array(
777 + array(
778 + 'key' => 'isc_image_posts',
779 + 'value' => 'a:0:{}',
780 + 'compare' => '!='
781 + )
782 + )
783 + /** @todo maybe add offset to not retrieve the first results when not on first page */
784 + /** @todo maybe add limit to not retrieve more results than on the current page */
785 + /** >No, we need to get total count of attachment with parents for $max_page in the pagination link. */
786 + );
787 +
788 + $attachments = get_posts($args);
789 + if (empty($attachments)) {
790 + return;
791 + }
792 +
793 + $options = $this->get_isc_options();
794 +
795 + $connected_atts = array();
796 +
797 + //Keeps only those ones who have parent
798 +
799 + foreach ($attachments as $_attachment) {
800 + $connected_atts[$_attachment->ID]['source'] = get_post_meta($_attachment->ID, 'isc_image_source', true);
801 + $connected_atts[$_attachment->ID]['own'] = get_post_meta($_attachment->ID, 'isc_image_source_own', true);
802 + $connected_atts[$_attachment->ID]['title'] = $_attachment->post_title;
803 + $connected_atts[$_attachment->ID]['author_name'] = '';
804 + if ('' != $connected_atts[$_attachment->ID]['own']) {
805 + $connected_atts[$_attachment->ID]['author_name'] = get_the_author_meta('display_name', $_attachment->post_author);
806 + }
807 +
808 + $metadata = get_post_meta($_attachment->ID, 'isc_image_posts', true);
809 + $usage_data = '';
810 +
811 + if (is_array($metadata) && array() != $metadata) {
812 + $usage_data .= "<ul style='margin: 0;'>";
813 + foreach($metadata as $data) {
814 + $usage_data .= sprintf(__('<li><a href="%1$s" title="View %2$s">%3$s</a></li>', ISCTEXTDOMAIN),
815 + esc_url(get_permalink($data)),
816 + esc_attr(get_the_title($data)),
817 + esc_html(get_the_title($data))
818 + );
819 + }
820 + $usage_data .= "</ul>";
821 + }
822 +
823 + $connected_atts[$_attachment->ID]['posts'] = $usage_data;
824 + }
825 +
826 + $total = count($connected_atts);
827 +
828 + if (0 == $total)
829 + return;
830 +
831 + $page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1;
832 + $down_limit = 1; // First page
833 +
834 + $up_limit = 1;
835 +
836 + if ($per_page < $total) {
837 + $rem = $total % $per_page; // The Remainder of $total/$per_page
838 + $up_limit = ($total - $rem) / $per_page;
839 + if (0 < $rem) {
840 + $up_limit++; //If rem is positive, add the last page that contains less than $per_page attachment;
841 + }
842 + }
843 +
844 + ob_start();
845 + if ( 2 > $up_limit ) {
846 + $this->display_all_attachment_list($connected_atts);
847 + } else {
848 + $starting_atts = $per_page * ($page - 1); // for page 2 and 3 $per_page start display on $connected_atts[3*(2-1) = 3]
849 + $paged_atts = array_slice($connected_atts, $starting_atts, $per_page, true);
850 + $this->display_all_attachment_list($paged_atts);
851 + $this->pagination_links($up_limit, $before_links, $after_links, $prev_text, $next_text);
852 + }
853 + if (isset($options['webgilde']) && true == $options['webgilde']) {
854 + ?>
855 + <p class="isc-backlink"><?php printf(__('Image list created by <a href="%s" title="Image Source Control">Image Source Control Plugin</a>', ISCTEXTDOMAIN), WEBGILDE); ?></p>
856 + <?php
857 + }
858 +
859 + $output = ob_get_clean();
860 + return $output;
861 + }
862 +
863 +
864 + /**
865 + * performs rendering of all attachments list
866 + * @since 1.1.3
867 + */
868 + public function display_all_attachment_list($atts)
869 + {
870 + if (!is_array($atts) || $atts == array())
871 + return;
872 + $options = $this->get_isc_options();
873 + ?>
874 + <table>
875 + <thead>
876 + <?php if ($options['thumbnail_in_list']) : ?>
877 + <th><?php _e('Thumbnail', ISCTEXTDOMAIN); ?></th>
878 + <?php endif; ?>
879 + <th><?php _e("Attachment's ID", ISCTEXTDOMAIN); ?></th>
880 + <th><?php _e('Title', ISCTEXTDOMAIN); ?></th>
881 + <th><?php _e('Attached to', ISCTEXTDOMAIN); ?></th>
882 + <th><?php _e('Source', ISCTEXTDOMAIN); ?></th>
883 + </thead>
884 + <tbody>
885 + <?php foreach ($atts as $id => $data) : ?>
886 + <?php
887 + $source = $this->_common_texts['not_available'];
888 + if ('' != $data['own']) {
889 + /** @todo ment for later: this text was used above already; find a place to but it so it is defined only once and used where needed */
890 + if ($this->_options['use_authorname']) {
891 + $source = $data['author_name'];
892 + } else {
893 + $source = $this->_options['by_author_text'];
894 + }
895 + } else {
896 + if (!empty($data['source']))
897 + $source = $data['source'];
898 + }
899 + ?>
900 + <tr>
901 + <?php
902 + $v_align = '';
903 + if ($options['thumbnail_in_list']) :
904 + $v_align = 'style="vertical-align: top;"';
905 + ?>
906 + <?php if ('custom' != $options['thumbnail_size']) : ?>
907 + <td><?php echo wp_get_attachment_image($id, $options['thumbnail_size']); ?></td>
908 + <?php else : ?>
909 + <td><?php echo wp_get_attachment_image($id, array($options['thumbnail_width'], $options['thumbnail_height'])); ?></td>
910 + <?php endif; ?>
911 + <?php endif; ?>
912 + <td <?php echo $v_align;?>><?php echo $id; ?></td>
913 + <td <?php echo $v_align;?>><?php echo $data['title']; ?></td>
914 + <td <?php echo $v_align;?>><?php echo $data['posts']; ?></td>
915 + <td <?php echo $v_align;?>><?php echo esc_html($source); ?></td>
916 + </tr>
917 + <?php endforeach; ?>
918 + </tbody>
919 + </table>
920 + <?php
921 + }
922 +
923 + /**
924 + * Render pagination links, use $before_links and after_links to wrap pagination links inside an additional block
925 + * @param int $max_page total page count
926 + * @param string $before_links optional html to display before pagination links
927 + * @param string $after_links optional html to display after pagination links
928 + * @param string $prev_text text for the previous page link
929 + * @param string $next_text text for the next page link
930 + * @since 1.1.3
931 + *
932 + */
933 + public function pagination_links($max_page, $before_links, $after_links, $prev_text, $next_text)
934 + {
935 + if ((!isset($max_page)) || (!isset($before_links)) || (!isset($after_links)) || (!isset($prev_text)) || (!isset($next_text)))
936 + return;
937 + if (!empty($before_links))
938 + echo $before_links;
939 + ?>
940 + <div class="isc-paginated-links">
941 + <?php
942 + $page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1;
943 + if ($max_page < $page) {
944 + $page = $max_page;
945 + }
946 + if ($page < 1) {
947 + $page = 1;
948 + }
949 + $min_page = 1;
950 + $backward_distance = $page - $min_page;
951 + $forward_distance = $max_page - $page;
952 +
953 + $page_link = get_page_link();
954 +
955 + /**
956 + * Remove the query_string of the page_link (?page_id=xyz for the standard permalink structure),
957 + * which is already captured in $_SERVER['QUERY_STRING'].
958 + * @todo replace regex with other value (does WP store the url path without attributes somewhere?
959 + * >get_page_link() returns the permalink but for the default WP permalink structure, the permalink looks like "http://domain.tld/?p=52", while $_GET
960 + * still has a field named 'page_id' with the same value of 52.
961 + */
962 +
963 + $pos = strpos($page_link, '?');
964 + if (false !== $pos) {
965 + $page_link = substr($page_link, 0, $pos);
966 + }
967 +
968 + /**
969 + * Unset the actual "$_GET['isc-page']" variable (if is set). Pagination variable will be appended to the new query string with a different value for each
970 + * pagination link.
971 + */
972 +
973 + if (isset($_GET['isc-page'])) {
974 + unset($_GET['isc-page']);
975 + }
976 +
977 + $query_string = http_build_query($_GET);
978 +
979 + $isc_query_tag = '';
980 + if (empty($query_string)) {
981 + $isc_query_tag = '?isc-page=';
982 + } else {
983 + $query_string = '?' . $query_string;
984 + $isc_query_tag = '&isc-page=';
985 + }
986 +
987 + if ($min_page != $page) {
988 + ?>
989 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1); ?>" class="prev page-numbers"><?php echo $prev_text; ?></a>
990 + <?php
991 + }
992 +
993 + if (5 < $max_page) {
994 +
995 + if (3 < $backward_distance) {
996 + ?>
997 + <a href="<?php echo $page_link . $query_string . $isc_query_tag; ?>1" class="page-numbers">1</a>
998 + <span class="page-numbers dots">...</span>
999 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-2);?>" class="page-numbers"><?php echo $page-2; ?></a>
1000 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1);?>" class="page-numbers"><?php echo $page-1; ?></a>
1001 + <span class="page-numbers current"><?php echo $page; ?></span>
1002 + <?php
1003 + } else {
1004 + for ($i = 1; $i <= $page; $i++) {
1005 + if ($i == $page) {
1006 + ?>
1007 + <span class="page-numbers current"><?php echo $i; ?></span>
1008 + <?php
1009 + } else {
1010 + ?>
1011 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a>
1012 + <?php
1013 + }
1014 + }
1015 + }
1016 +
1017 + if (3 < $forward_distance) {
1018 + ?>
1019 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="page-numbers"><?php echo $page+1; ?></a>
1020 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+2);?>" class="page-numbers"><?php echo $page+2; ?></a>
1021 + <span class="page-numbers dots">...</span>
1022 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . $max_page;?>" class="page-numbers"><?php echo $max_page; ?></a>
1023 + <?php
1024 + } else {
1025 + for ($i = $page+1; $i <= $max_page; $i++) {
1026 + ?>
1027 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a>
1028 + <?php
1029 + }
1030 + }
1031 + } else {
1032 + for ($i = 1; $i <= $max_page; $i++) {
1033 + if ($i == $page) {
1034 + ?>
1035 + <span class="page-numbers current"><?php echo $i; ?></span>
1036 + <?php
1037 + } else {
1038 + ?>
1039 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a>
1040 + <?php
1041 + }
1042 + }
1043 + }
1044 + if ($page != $max_page) {
1045 + ?>
1046 + <a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="next page-numbers"><?php echo $next_text; ?></a>
1047 + <?php
1048 + }
1049 + ?>
1050 + </div>
1051 + <?php
1052 + echo $after_links;
1053 + }
1054 +
1055 + /**
1056 + * The activation function
1057 + */
1058 + public function activation()
1059 + {
1060 + if (!is_array(get_option('isc_options'))) {
1061 + update_option( 'isc_options', $this->default_options() );
1062 + }
1063 + $options = $this->get_isc_options();
1064 + if (!$options['installed']) {
1065 + /**
1066 + * Here, all jobs to perform during first activation, especially options and custom fields.
1067 + * Important: NO add_action('something', 'somefunction') here.
1068 + */
1069 +
1070 + // adds meta fields for attachments
1071 + $this->add_meta_values_to_attachments();
1072 +
1073 + // set all isc_image_posts meta fields.
1074 + $this->init_image_posts_metafield();
1075 +
1076 + $options['installed'] = true;
1077 + update_option('isc_options', $options);
1078 + }
1079 + }
1080 +
1081 + /**
1082 + * Returns default options
1083 + */
1084 + public function default_options()
1085 + {
1086 + $default['image_list_headline'] = __('image sources', ISCTEXTDOMAIN);
1087 + $default['use_authorname'] = true;
1088 + $default['by_author_text'] = __('Owned by the author', ISCTEXTDOMAIN);
1089 + $default['installed'] = false;
1090 + $default['version'] = ISCVERSION;
1091 + $default['webgilde'] = false;
1092 + $default['thumbnail_in_list'] = false;
1093 + $default['thumbnail_size'] = 'thumbnail';
1094 + $default['thumbnail_width'] = 150;
1095 + $default['thumbnail_height'] = 150;
1096 + $default['warning_nosource'] = true;
1097 + $default['warning_onesource_missing'] = true;
1098 + $default['hide_list'] = false;
1099 + $default['caption_position'] = 'top-left';
1100 + $default['source_on_image'] = false;
1101 + $default['source_pretext'] = __('Source:', ISCTEXTDOMAIN);
1102 + return $default;
1103 + }
1104 +
1105 + /**
1106 + * Settings API initialization
1107 + */
1108 + public function SAPI_init()
1109 + {
1110 + $this->upgrade_management();
1111 + register_setting('isc_options_group', 'isc_options', array($this, 'settings_validation'));
1112 + add_settings_section('isc_settings_section', '', '__return_false', 'isc_settings_page');
1113 +
1114 + // Starts Page/Post settings group
1115 + add_settings_field('image_list_headline', __('Image list headline', ISCTEXTDOMAIN), array($this, 'renderfield_list_headline'), 'isc_settings_page', 'isc_settings_section');
1116 + /**
1117 + * All new setting in Page/Post group Here!
1118 + */
1119 + add_settings_field('hide_list', __('Hide the image list', ISCTEXTDOMAIN), array($this, 'renderfield_hide_list'), 'isc_settings_page', 'isc_settings_section');
1120 + // Ends Page/Post settings group
1121 +
1122 + // Starts Full images list group
1123 + add_settings_field('use_thumbnail', __("Use thumbnails in images list", ISCTEXTDOMAIN), array($this, 'renderfield_use_thumbnail'), 'isc_settings_page', 'isc_settings_section');
1124 + /**
1125 + * All new setting in Full images list group Here!
1126 + */
1127 + add_settings_field('thumbnail_width', __("Thumbnails max-width", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_width'), 'isc_settings_page', 'isc_settings_section');
1128 + add_settings_field('thumbnail_height', __("Thumbnails max-height", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_height'), 'isc_settings_page', 'isc_settings_section');
1129 + // Ends Full images list group
1130 +
1131 + // Starts Misc settings group
1132 + add_settings_field('use_authorname', __('Use authors names', ISCTEXTDOMAIN), array($this, 'renderfield_use_authorname'), 'isc_settings_page', 'isc_settings_section');
1133 + add_settings_field('by_author_text', __('Custom text for owned images', ISCTEXTDOMAIN), array($this, 'renderfield_byauthor_text'), 'isc_settings_page', 'isc_settings_section');
1134 + add_settings_field('webgilde_backlink', __("Link to webgilde's website", ISCTEXTDOMAIN), array($this, 'renderfield_webgile'), 'isc_settings_page', 'isc_settings_section');
1135 + /**
1136 + * All new setting in Misc settings group Here!
1137 + */
1138 + add_settings_field('source_caption', __("Source as caption on image", ISCTEXTDOMAIN), array($this, 'renderfield_source_caption'), 'isc_settings_page', 'isc_settings_section');
1139 + add_settings_field('caption_position', __("Caption position", ISCTEXTDOMAIN), array($this, 'renderfield_caption_pos'), 'isc_settings_page', 'isc_settings_section');
1140 + add_settings_field('warning_one_source', __("Warning when there is at least one missing source", ISCTEXTDOMAIN), array($this, 'renderfield_warning_onesource_misisng'), 'isc_settings_page', 'isc_settings_section');
1141 + add_settings_field('warning_nosource', __("Warnings when source not available", ISCTEXTDOMAIN), array($this, 'renderfield_warning_nosource'), 'isc_settings_page', 'isc_settings_section');
1142 + // Ends Misc settings group
1143 + }
1144 +
1145 + /**
1146 + * manage data structure upgrading of outdated versions
1147 + */
1148 + public function upgrade_management() {
1149 +
1150 + /*
1151 + * Since the activation hook is not executed on plugin upgrade, this function checks options in database
1152 + * during the admin_init hook to handle plugin's upgrade.
1153 + */
1154 +
1155 + $options = get_option('isc_options');
1156 +
1157 + if (!is_array($options)) {
1158 + // special case for version prior to 1.2 (which don't have options)
1159 + $options = $this->default_options();
1160 + $this->init_image_posts_metafield();
1161 + $options['installed'] = true;
1162 + update_option('isc_options', $options);
1163 + }
1164 +
1165 + if (ISCVERSION != $options['version']) {
1166 + $options = $options + $this->default_options();
1167 + $options['version'] = ISCVERSION;
1168 + update_option('isc_options', $options);
1169 + }
1170 + }
1171 +
1172 + /**
1173 + * Image_control's page callback
1174 + */
1175 + public function render_isc_settings_page()
1176 + {
1177 + ?>
1178 + <div id="icon-options-general" class="icon32"><br></div>
1179 + <h2><?php _e('Images control settings', ISCTEXTDOMAIN); ?></h2>
1180 + <div id="isc-admin-wrap">
1181 + <form id="image-control-form" method="post" action="options.php">
1182 + <div class="postbox isc-setting-group"><?php // Open the div for the first settings group ?>
1183 + <h3 class="setting-group-head"><?php _e('Post / Page images list', ISCTEXTDOMAIN); ?></h3>
1184 + <?php
1185 + settings_fields( 'isc_options_group' );
1186 + do_settings_sections( 'isc_settings_page' );
1187 + ?>
1188 + </div><?php //Close the last settings group div ?>
1189 + <p class="submit">
1190 + <input type="submit" name="submit" id="submit" class="button button-primary" value="Save Changes">
1191 + </p>
1192 + </form>
1193 + </div><!-- #isc-admin-wrap -->
1194 + <?php
1195 + }
1196 +
1197 + /**
1198 + * image_list field callbacks
1199 + */
1200 + public function renderfield_list_headline()
1201 + {
1202 + $options = $this->get_isc_options();
1203 + $description = __('The headline of the image list added via shortcode or function in your theme.', ISCTEXTDOMAIN);
1204 + ?>
1205 + <div id="image-list-headline-block">
1206 + <label for="list-head"><?php __('Image list headline', ISCTEXTDOMAIN); ?></label>
1207 + <input type="text" name="isc_options[image_list_headline_field]" id="list-head" value="<?php echo $options['image_list_headline'] ?>" class="regular-text" />
1208 + <p><em><?php echo $description; ?></em></p>
1209 + </div>
1210 + <?php
1211 + }
1212 +
1213 + public function renderfield_hide_list()
1214 + {
1215 + $options = $this->get_isc_options();
1216 + $description = __("Hide the list when the post is loaded. A simple click on the list headline will show the list content.", ISCTEXTDOMAIN);
1217 + ?>
1218 + <div id="hide-list-block">
1219 + <label for="hide-list"><?php _e('Hide the image list of a post', ISCTEXTDOMAIN) ?></label>
1220 + <input type="checkbox" name="isc_options[hide_list]" id="hide-list" <?php checked($options['hide_list']); ?> />
1221 + <p><em><?php echo $description; ?></em></p>
1222 + </div>
1223 + </td></tr></tbody></table>
1224 + </div><!-- .postbox -->
1225 + <div class="postbox isc-setting-group">
1226 + <h3 class="setting-group-head"><?php _e('Full images list', ISCTEXTDOMAIN) ?></h3>
1227 + <table class="form-table"><tbody><tr><td>
1228 + <?php
1229 + }
1230 +
1231 + public function renderfield_use_authorname()
1232 + {
1233 + $options = $this->get_isc_options();
1234 + $description = __("Display the author's public name as source when the image is owned by the author (the uploader of the image, not necessarily the author of the post the image is displayed on). Uncheck to use a custom text instead.", ISCTEXTDOMAIN);
1235 +
1236 + ?>
1237 + <div id="use-authorname-block">
1238 + <label for="use_authorname"><?php _e('Use author name', ISCTEXTDOMAIN) ?></label>
1239 + <input type="checkbox" name="isc_options[use_authorname_ckbox]" id="use_authorname" <?php checked($options['use_authorname']); ?> />
1240 + <p><em><?php echo $description; ?></em></p>
1241 + </div>
1242 + <?php
1243 + }
1244 +
1245 + public function renderfield_byauthor_text()
1246 + {
1247 + $options = $this->get_isc_options();
1248 + $description = __("Enter the custom text to display if you do not want to use the author's public name.", ISCTEXTDOMAIN);
1249 + ?>
1250 + <div id="by-author-text">
1251 + <input type="text" id="byauthor" name="isc_options[by_author_text_field]" value="<?php echo $options['by_author_text']; ?>" <?php disabled($options['use_authorname']); ?> class="regular-text" />
1252 + <p><em><?php echo $description; ?></em></p>
1253 + </div>
1254 + <?php
1255 + }
1256 +
1257 + public function renderfield_webgile()
1258 + {
1259 + $options = $this->get_isc_options();
1260 + $description = sprintf(__('Display a link to <a href="%s">Image Source Control plugin&#39;s website</a> below the list of all images in the blog?', ISCTEXTDOMAIN), WEBGILDE);
1261 + ?>
1262 + <div id="webgilde-block">
1263 + <input type="checkbox" id="webgilde-link" name="isc_options[webgilde_field]" <?php checked($options['webgilde']); ?> />
1264 + <p><em><?php echo $description; ?></em></p>
1265 + </div>
1266 + <?php
1267 + }
1268 +
1269 + public function renderfield_use_thumbnail()
1270 + {
1271 + $options = $this->get_isc_options();
1272 + $description = __('Display thumbnails on the list of all images in the blog.' ,ISCTEXTDOMAIN);
1273 + ?>
1274 + <div id="use-thumbnail-block">
1275 + <input type="checkbox" id="use-thumbnail" name="isc_options[use_thumbnail]" value="1" <?php checked($options['thumbnail_in_list']); ?> />
1276 + <select id="thumbnail-size-select" name="isc_options[size_select]" <?php disabled(!$options['thumbnail_in_list']) ?>>
1277 + <?php foreach ($this->_thumbnail_size as $size) : ?>
1278 + <option value="<?php echo $size; ?>" <?php selected($size, $options['thumbnail_size']);?>><?php echo $size; ?></option>
1279 + <?php endforeach; ?>
1280 + </select>
1281 + <p><em><?php echo $description; ?></em></p>
1282 + </div>
1283 + <?php
1284 + }
1285 +
1286 + public function renderfield_thumbnail_width()
1287 + {
1288 + $options = $this->get_isc_options();
1289 + $description = __('Custom value of the maximum allowed width for thumbnail.' ,ISCTEXTDOMAIN);
1290 + ?>
1291 + <div id="thumbnail-custom-width">
1292 + <input type="text" id="custom-width" name="isc_options[thumbnail_width]" class="small-text" value="<?php echo $options['thumbnail_width'] ?>" /> px
1293 + <p><em><?php echo $description; ?></em></p>
1294 + </div>
1295 + <?php
1296 + }
1297 +
1298 + public function renderfield_thumbnail_height()
1299 + {
1300 + $options = $this->get_isc_options();
1301 + $description = __('Custom value of the maximum allowed height for thumbnail.' ,ISCTEXTDOMAIN);
1302 + ?>
1303 + <div id="thumbnail-custom-height">
1304 + <input type="text" id="custom-height" name="isc_options[thumbnail_height]" class="small-text" value="<?php echo $options['thumbnail_height'] ?>"/> px
1305 + <p><em><?php echo $description; ?></em></p>
1306 + </div>
1307 + </td></tr></tbody></table>
1308 + </div><!-- .postbox -->
1309 + <div class="postbox isc-setting-group">
1310 + <h3 class="setting-group-head"><?php _e('Miscellaneous settings', ISCTEXTDOMAIN); ?></h3>
1311 + <table class="form-table"><tbody><tr><td>
1312 + <?php
1313 + }
1314 +
1315 + public function renderfield_warning_nosource()
1316 + {
1317 + $options = $this->get_isc_options();
1318 + $description = __('Warn and prevent data to be saved when an attachment is edited and the source has not been specified.' ,ISCTEXTDOMAIN);
1319 + ?>
1320 + <div id="no-source-block">
1321 + <input type="checkbox" id="no-source" name="isc_options[no_source]"value="1" <?php checked($options['warning_nosource']); ?>/>
1322 + <p><em><?php echo $description; ?></em></p>
1323 + </div>
1324 + <?php
1325 + }
1326 +
1327 + public function renderfield_warning_onesource_misisng()
1328 + {
1329 + $options = $this->get_isc_options();
1330 + $description = __('Display an admin notice in admin pages when one or more image sources are missing.' ,ISCTEXTDOMAIN);
1331 + ?>
1332 + <div id="one-source-block">
1333 + <input type="checkbox" id="one-source" name="isc_options[one_source]"value="1" <?php checked($options['warning_onesource_missing']); ?>/>
1334 + <p><em><?php echo $description; ?></em></p>
1335 + </div>
1336 + <?php
1337 + }
1338 +
1339 + public function renderfield_caption_pos()
1340 + {
1341 + $options = $this->get_isc_options();
1342 + $description = __('Position of captions into images' ,ISCTEXTDOMAIN);
1343 + ?>
1344 + <div id="caption-position-block">
1345 + <select id="caption-pos" name="isc_options[cap_pos]">
1346 + <?php foreach ($this->_caption_position as $pos) : ?>
1347 + <option value="<?php echo $pos; ?>" <?php selected($pos, $options['caption_position']); ?>><?php echo $pos; ?></option>
1348 + <?php endforeach; ?>
1349 + </select>
1350 + <p><em><?php echo $description; ?></em></p>
1351 + </div>
1352 + <?php
1353 + }
1354 +
1355 + public function renderfield_source_caption()
1356 + {
1357 + $options = $this->get_isc_options();
1358 + $description_checkbox = __('Tick to display source onto each image.' ,ISCTEXTDOMAIN);
1359 + $description_textfield = __('The text preceding the source on each image.' ,ISCTEXTDOMAIN);
1360 + ?>
1361 + <div id="caption-block">
1362 + <input type="checkbox" id="source-on-image" value="1" name="isc_options[source_on_image]" <?php checked($options['source_on_image']); ?> />
1363 + <p><em><?php echo $description_checkbox; ?></em></p>
1364 + <input type="text" id='source-pretext' name="isc_options[source_pretext]" value="<?php echo $options['source_pretext']; ?>" />
1365 + <p><em><?php echo $description_textfield; ?></em></p>
1366 + </div>
1367 + <?php
1368 + }
1369 +
1370 + /**
1371 + * Returns isc_options if it exists, returns the default options otherwise.
1372 + */
1373 + public function get_isc_options() {
1374 + return get_option('isc_options', $this->default_options());
1375 + }
1376 +
1377 + /*
1378 + * Input validation function.
1379 + * @param array $input values from the admin panel
1380 + */
1381 + public function settings_validation($input)
1382 + {
1383 + $output = $this->get_isc_options();
1384 + $output['image_list_headline'] = esc_html($input['image_list_headline_field']);
1385 + if (isset($input['use_authorname_ckbox'])) {
1386 + // Don't worry about the custom text if the author name is selected.
1387 + $output['use_authorname'] = true;
1388 + } else {
1389 + $output['use_authorname'] = false;
1390 + $output['by_author_text'] = esc_html($input['by_author_text_field']);
1391 + }
1392 + if (isset($input['webgilde_field'])) {
1393 + $output['webgilde'] = true;
1394 + } else {
1395 + $output['webgilde'] = false;
1396 + }
1397 + if (isset($input['use_thumbnail'])) {
1398 + $output['thumbnail_in_list'] = true;
1399 + if (in_array($input['size_select'], $this->_thumbnail_size)) {
1400 + $output['thumbnail_size'] = $input['size_select'];
1401 + }
1402 + if ('custom' == $input['size_select']) {
1403 + if (is_numeric($input['thumbnail_width'])) {
1404 + // Ensures that the value stored in database in a positive integer.
1405 + $output['thumbnail_width'] = abs(intval(round($input['thumbnail_width'])));
1406 + }
1407 + if (is_numeric($input['thumbnail_height'])) {
1408 + $output['thumbnail_height'] = abs(intval(round($input['thumbnail_height'])));
1409 + }
1410 + }
1411 + } else {
1412 + $output['thumbnail_in_list'] = false;
1413 + }
1414 + if (isset($input['no_source'])) {
1415 + $output['warning_nosource'] = true;
1416 + } else {
1417 + $output['warning_nosource'] = false;
1418 + }
1419 + if (isset($input['one_source'])) {
1420 + $output['warning_onesource_missing'] = true;
1421 + } else {
1422 + $output['warning_onesource_missing'] = false;
1423 + }
1424 + if (isset($input['hide_list'])){
1425 + $output['hide_list'] = true;
1426 + } else {
1427 + $output['hide_list'] = false;
1428 + }
1429 + if (in_array($input['cap_pos'], $this->_caption_position))
1430 + $output['caption_position'] = $input['cap_pos'];
1431 + if (isset($input['source_on_image'])) {
1432 + $output['source_on_image'] = true;
1433 + $output['source_pretext'] = $input['source_pretext'];
1434 + } else {
1435 + $output['source_on_image'] = false;
1436 + }
1437 + return $output;
1438 + }
1439 +
1440 + /**
1441 + * Adds isc_image_posts on all attachments. Launched during first installation.
1442 + */
1443 + public function init_image_posts_metafield()
1444 + {
1445 + $args = array(
1446 + 'post_type' => 'any',
1447 + 'numberposts' => -1,
1448 + 'post_status' => null,
1449 + 'post_parent' => null,
1450 + );
1451 + $posts = get_posts($args);
1452 + foreach ($posts as $post) {
1453 + setup_postdata($post);
1454 + $image_urls = $this->_filter_src_attributes($post->post_content);
1455 + $image_ids = array();
1456 + foreach ($image_urls as $url) {
1457 + $image_id = intval($this->get_image_by_url($url));
1458 + array_push($image_ids,$image_id);
1459 + }
1460 + foreach ($image_ids as $id) {
1461 + $meta = get_post_meta($id, 'isc_image_posts', true);
1462 + if (empty($meta)) {
1463 + update_post_meta($id, 'isc_image_posts', array($post->ID));
1464 + } else {
1465 + if (!in_array($post->ID, $meta)) {
1466 + array_push($meta, $post->ID);
1467 + update_post_meta($id, 'isc_image_posts', $meta);
1468 + }
1469 + }
1470 + }
1471 + }
1472 + }
1473 +
1474 + /**
1475 + *
1476 + */
1477 + public function admin_notices()
1478 + {
1479 + $args = array(
1480 + 'post_type' => 'attachment',
1481 + 'numberposts' => -1,
1482 + 'post_status' => null,
1483 + 'post_parent' => null,
1484 + 'meta_query' => array(
1485 + array(
1486 + 'key' => 'isc_image_source',
1487 + 'value' => '',
1488 + 'compare' => '='
1489 + ),
1490 + array(
1491 + 'key' => 'isc_image_source_own',
1492 + 'value' => '',
1493 + 'compare' => ''
1494 + )
1495 + )
1496 + );
1497 + $attachments = get_posts($args);
1498 + $options = $this->get_isc_options();
1499 + if (!empty($attachments) && $options['warning_onesource_missing'] ) {
1500 + $missing_src = esc_url(admin_url('upload.php?page=image-source-control-isc/templates/missing_sources.php'));
1501 + ?>
1502 + <div class="updated"><p><?php printf(__('One or more attachments still have no source. See the <a href="%s">missing sources</a> list', ISCTEXTDOMAIN), $missing_src);?></p></div>
1503 + <?php
1504 + }
1505 + }
1506 +
1507 + }// end of class
1508 +
1509 + $inc_path = ABSPATH . 'wp-includes/';
1510 + /**
1511 + * "pluggable.php" is not defined at this point. Not sure about the reason.
1512 + */
1513 + require_once($inc_path . 'pluggable.php');
1514 +
1515 + /**
1516 + * Need an instance of ISC_CLASS when the register_activation_hook is called (earlier than the "plugins_loaded" hook).
1517 + */
1518 + global $my_isc;
1519 + $my_isc = new ISC_CLASS();
1520 +
1521 + /**
1522 + * the next functions are just to have an easier access from outside the class
1523 + */
1524 + function isc_list($post_id = 0) {
1525 + $isc = new ISC_CLASS();
1526 + echo $isc->list_post_attachments_with_sources($post_id);
1527 + }
56 1528 }
57 -
58 -new ISC_Block_Options();