. * * Followed the following tutorials * http://wpengineer.com/2076/add-custom-field-attachment-in-wordpress/ * http://bueltge.de/eigene-felder-dateiverwaltung-wordpress/1226/ (same like above, but in German) * * */ //avoid direct calls to this file if (!function_exists('add_action')) { header('Status: 403 Forbidden'); header('HTTP/1.1 403 Forbidden'); exit(); } define('ISCVERSION', '1.3.0'); define('ISCNAME', 'Image Source Control'); define('ISCTEXTDOMAIN', 'isc'); define('ISCDIR', basename(dirname(__FILE__))); define('ISCPATH', plugin_dir_path(__FILE__)); define('WEBGILDE', 'http://webgilde.com/en/image-source-control'); load_plugin_textdomain(ISCTEXTDOMAIN, false, dirname(plugin_basename(__FILE__)) . '/languages/'); if (!class_exists('ISC_CLASS')) { class ISC_CLASS { /** * define default meta fields */ protected $_fields = array( 'image_source' => array( 'id' => 'isc_image_source', 'default' => '', ), 'image_source_own' => array( 'id' => 'isc_image_source_own', 'default' => '', ), 'image_posts' => array( 'id' => 'isc_image_posts', 'default' => array() ) ); /** * Commonly used text elements */ protected $_common_texts = array(); /** * allowed image file types/extensions * @since 1.1 */ protected $_allowedExtensions = array( 'jpg', 'png', 'gif' ); /** * Thumbnail size in list of all images. * @since 1.2 */ protected $_thumbnail_size = array('thumbnail', 'medium', 'large', 'custom'); /** * options saved in the db * @since 1.2 */ protected $_options = array(); /** * Position of image's caption */ protected $_caption_position = array( 'top-left', 'top-center', 'top-right', 'center', 'bottom-left', 'bottom-center', 'bottom-right' ); /** * Setup registers filterts and actions. */ public function __construct() { // load all plugin options $this->_options = get_option('isc_options'); $this->_common_texts['not_available'] = __('Not available', ISCTEXTDOMAIN); // insert all function for the frontend here add_shortcode('isc_list', array($this, 'list_post_attachments_with_sources_shortcode')); add_shortcode('isc_list_all', array($this, 'list_all_post_attachments_sources_shortcode')); add_action('wp_enqueue_scripts', array($this, 'front_scripts')); add_action('wp_head', array($this, 'front_head')); add_action('the_content', array($this, 'content_filter')); // insert all backend functions below this check if (!current_user_can('upload_files')) { return false; } register_activation_hook(ISCPATH . '/isc.php', array($this, 'activation')); add_action('add_attachment', array($this, 'attachment_added'), 10, 2); add_filter('attachment_fields_to_edit', array($this, 'add_isc_fields'), 10, 2); add_filter('attachment_fields_to_save', array($this, 'isc_fields_save'), 10, 2); add_action('admin_notices', array($this, 'admin_notices')); add_action('admin_menu', array($this, 'create_menu')); add_action('admin_init', array($this, 'SAPI_init')); add_action('admin_enqueue_scripts', array($this, 'add_admin_scripts')); add_action( 'admin_print_scripts', array($this, 'admin_headjs') ); // save image information in meta field when a post is saved add_action('save_post', array($this, 'save_image_information_on_post_save')); } public function get_source_by_url($url) { $id = $this->get_image_by_url($url); $metadata['source'] = get_post_meta($id, 'isc_image_source', true); $metadata['own'] = get_post_meta($id, 'isc_image_source_own', true); $source = $this->_common_texts['not_available']; $att_post = get_post($id); if ('' != $metadata['own']) { if ($this->_options['use_authorname']) { if (!empty($att_post)) { $source = get_the_author_meta('display_name', $att_post->post_author); } } else { $source = $this->options['by_author_text']; } } else { if ('' != $metadata['source']) { $source = $metadata['source']; } } return $source; } public function content_filter($content) { $options = $this->get_isc_options(); if ($options['source_on_image']) { $pattern = '#(\[caption.*align="(.+)"[^\]*]{0,}\])? *(]+>)? *().*(?(3)(?:)|.*).*(?(1)(?:\[/caption\])|.*)#isU'; $count = preg_match_all($pattern, $content, $matches); if (false !== $count) { for ($i=0; $i < $count; $i++) { $id = $matches[6][$i]; $src = $matches[7][$i]; $source = '

' . $options['source_pretext'] . ' ' . $this->get_source_by_url($src) . '

'; $old_content = $matches[0][$i]; $new_content = str_replace('wp-image-' . $id, 'wp-image-' . $id . ' with-source', $old_content); $alignment = (!empty($matches[1][$i]))? $matches[2][$i] : $matches[5][$i]; $content = str_replace($old_content, '
' . $new_content . $source . '
', $content); } } } return $content; } public function attachment_added($att_id) { foreach ($this->_fields as $field) { update_post_meta($att_id, $field['id'], $field['default']); } } /** * Front-end scripts in section. */ public function front_head() { $options = $this->get_isc_options(); ?> ID, 'isc_image_source', true); $form_fields['isc_image_source']['helps'] = __('Include the image source here.', ISCTEXTDOMAIN); // add checkbox to mark as your own image $form_fields['isc_image_source_own']['input'] = 'html'; $form_fields['isc_image_source_own']['label'] = ''; $form_fields['isc_image_source_own']['helps'] = __('Check this box if this is your own image and doesn\'t need a source.', ISCTEXTDOMAIN); $form_fields['isc_image_source_own']['html'] = "ID, 'isc_image_source_own', true), 1, false ) . " style=\"width:14px\"/> " . __('This is my image', ISCTEXTDOMAIN); return $form_fields; } /** * save image source to post_meta * @param object $post * @param $attachment * @return object $post */ public function isc_fields_save($post, $attachment) { if (isset($attachment['isc_image_source'])) { update_post_meta($post['ID'], 'isc_image_source', $attachment['isc_image_source']); } update_post_meta($post['ID'], 'isc_image_source_own', $attachment['isc_image_source_own']); return $post; } /** * create image sources list for all images of this post * @since 1.0 * @update 1.1 * @param int $post_id id of the current post/page * @return echo output */ public function list_post_attachments_with_sources($post_id = 0) { global $post; if (empty($post_id)) { if (!empty($post->ID)) { $post_id = $post->ID; } else { return; } } $attachments = get_post_meta($post_id, 'isc_post_images', true); // if attachments is an empty string, search for images in it if ($attachments == '') { $this->save_image_information_on_load(); $this->update_image_posts_meta($post_id, $post->post_content); $attachments = get_post_meta($post_id, 'isc_post_images', true); } $return = ''; if (!empty($attachments)) { $atts = array(); foreach ($attachments as $attachment_id => $attachment_array) { $atts[$attachment_id]['title'] = get_the_title($attachment_id); $own = get_post_meta($attachment_id, 'isc_image_source_own', true); $source = get_post_meta($attachment_id, 'isc_image_source', true); if ( $own == '' && $source == '' ) { // remove if no information set unset($atts[$attachment_id]); continue; } elseif ($own != '') { if ($this->_options['use_authorname']) { $authorname = ''; $att_post = get_post($attachment_id); if (null !== $att_post) { $authorname = get_the_author_meta('display_name', $att_post->post_author); } $atts[$attachment_id ]['source'] = $authorname; } else { $atts[$attachment_id ]['source'] = $this->_options['by_author_text']; } } else { $atts[$attachment_id ]['source'] = $source; } } $return = $this->_renderAttachments($atts); } return $return; } /** * @param array $attachments */ protected function _renderAttachments($attachments) { // don't display anything, if no image sources displayed if ($attachments == array()) { return ; } $options = $this->get_isc_options(); $show_text = __('Show the list', ISCTEXTDOMAIN); $hide_text = __('Hide the list', ISCTEXTDOMAIN); ob_start(); $headline = $this->_options['image_list_headline']; $hide_style = ($options['hide_list'])? 'style="height: 0px; overflow: hidden;"': 'style="height: 100%; overflow: hidden;"'; $hide_class = ($options['hide_list'])? ' isc-list-up': ' isc-list-down'; $hide_title = ($options['hide_list'])? $show_text : $hide_text; printf('

%1$s

', $headline, $hide_title); ?> 0), $atts)); // if $id not set, use the current ID from the post if (empty($id)) { $id = $post->ID; } if (empty($id)) { return; } return $this->list_post_attachments_with_sources($id); } /** * get all attachments without sources * the downside of this function: is there is not even an empty metakey field, nothing is going to be retrieved * @todo fix this in WP 3.5 with compare => 'NOT EXISTS' */ public function get_attachments_without_sources() { $args = array( 'post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null, 'meta_query' => array( // image source is empty array( 'key' => 'isc_image_source', 'value' => '', 'compare' => '=', ), // and image source is not set array( 'key' => 'isc_image_source_own', 'value' => '1', 'compare' => '!=', ), ) ); $attachments = get_posts($args); if (!empty($attachments)) { return $attachments; } } /** * add meta values to all attachments * @todo probably need to fix this when more fields are added along the way * @todo use compare => 'NOT EXISTS' when WP 3.5 is up to retrieve only values where it is not set * @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 */ public function add_meta_values_to_attachments() { // retrieve all attachments $args = array( 'post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null, ); $attachments = get_posts($args); if (empty($attachments)) { return; } $count = 0; foreach ($attachments as $_attachment) { $set = false; setup_postdata($_attachment); foreach ($this->_fields as $_field) { $meta = get_post_meta($_attachment->ID, $_field['id'], true); if (empty($meta)) { update_post_meta($_attachment->ID, $_field['id'], $_field['default']); $set = true; } } if ($set) { $count++; } } } /** * Display scripts in section of admin page. Useful for creating js variables in the js global namespace. */ public function admin_headjs() { global $pagenow; $options = $this->get_isc_options(); if ('post.php' == $pagenow) { ?> loading'; } } /** * this is an entry function to save image information to a post when it is saved * @since 1.1 * @param type $post_id */ public function save_image_information_on_post_save($post_id) { // return, if save_post is called more than one time if (did_action('save_post') !== 1) { return; } if (isset($_POST['post_type']) && 'attachment' == $_POST['post_type']) { return; } // check if this is a revision and if so, use parent post id if ($_id = wp_is_post_revision($post_id)) { $post_id = $_id; } $_content = ''; if ( !empty( $_REQUEST['content']) ) $_content = stripslashes($_REQUEST['content']); // Needs to be called before the 'isc_post_images' field is updated. $this->update_image_posts_meta($post_id, $_content); $this->save_image_information($post_id, $_content); } /** * save image information for a post when it is viewed and the image source list is enabled * (this is in case the plugin is new and the current post wasn't saved before) * * @since 1.1 */ public function save_image_information_on_load() { global $post; if (empty($post->ID)) { return; } $post_id = $post->ID; $_content = $post->post_content; $this->save_image_information($post_id, $_content); } /** * retrieve images added to a post or page and save all information as a meta value * @since 1.1 * @todo check for more post types that maybe should not be parsed here */ public function save_image_information($post_id, $_content) { $_image_urls = $this->_filter_src_attributes($_content); $_imgs = array(); foreach ($_image_urls as $_image_url) { // get ID of images by url $img_id = $this->get_image_by_url($_image_url); $_imgs[$img_id] = array( 'src' => $_image_url ); } // add thumbnail information $thumb_id = get_post_thumbnail_id($post_id); /** * if an image is used both inside the post and as post thumbnail, the thumbnail entry overrides the regular image. */ if ( !empty( $thumb_id )) { $_imgs[$thumb_id] = array( 'src' => wp_get_attachment_url($thumb_id), 'thumbnail' => true ); } if (empty($_imgs)) { $_imgs = false; } update_post_meta($post_id, 'isc_post_images', $_imgs); } /** * filter image src attribute from text * @since 1.1 * @updated 1.1.3 * @return array with image src uris */ public function _filter_src_attributes($content = '') { $srcs = array(); if (empty($content)) return $srcs; // parse HTML with DOM $dom = new DOMDocument; libxml_use_internal_errors(true); $dom->loadHTML($content); // Prevents from sending E_WARNINGs notice (Outputs are forbidden during activation) libxml_clear_errors(); foreach ($dom->getElementsByTagName('img') as $node) { $srcs[] = $node->getAttribute('src'); } return $srcs; } /** * get image by url accessing the database directly * @since 1.1 * @updated 1.1.3 * @param string $url url of the image * @return id of the image */ public function get_image_by_url($url = '') { if (empty($url)) { return 0; } $types = implode('|', $this->_allowedExtensions); // check for the format 'image-title-(e12452112-)300x200.jpg' and remove the image size and edit mark from it $newurl = preg_replace("/(-e\d+){0,1}-(\d+)x(\d+)\.({$types})$/i", '.${4}', $url); global $wpdb; $query = $wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE guid = %s", $newurl); $id = $wpdb->get_var($query); return $id; } /** * Update isc_image_posts meta field for all images found in a post with a given ID. * @param $post_id ID of the target post * @param $content content of the target post */ public function update_image_posts_meta($post_id, $content) { $image_urls = $this->_filter_src_attributes($content); $image_ids = array(); $added_images = array(); $removed_images = array(); $isc_post_images = get_post_meta($post_id, 'isc_post_images', true); foreach ($image_urls as $url) { $id = intval($this->get_image_by_url($url)); array_push($image_ids, $id); if (is_array($isc_post_images) && !array_key_exists($id, $isc_post_images)) { array_push($added_images, $id); } } if (is_array($isc_post_images)) { foreach ($isc_post_images as $old_id => $value) { if (!in_array($old_id, $image_ids)) { array_push($removed_images, $old_id); } else { if (!empty($old_id)) { $meta = get_post_meta($old_id, 'isc_image_posts', true); if (empty($meta)) { update_post_meta($old_id, 'isc_image_posts', array($post_id)); } else { // In case the isc_image_posts is not up to date if (is_array($meta) && !in_array($post_id, $meta)) { array_push($meta, $post_id); update_post_meta($old_id, 'isc_image_posts', $meta); } } } } } } foreach ($added_images as $id) { $meta = get_post_meta($id, 'isc_image_posts', true); if (!is_array($meta) || array() == $meta) { update_post_meta($id, 'isc_image_posts', array($post_id)); } else { array_push($meta, $post_id); update_post_meta($id, 'isc_image_posts', $meta); } } foreach ($removed_images as $id) { $image_meta = get_post_meta($id, 'isc_image_posts', true); if (is_array($image_meta)) { $offset = array_search($post_id, $image_meta); if (false !== $offset) { array_splice($image_meta, $offset, 1); update_post_meta($id, 'isc_image_posts', $image_meta); } } } } /** * create shortcode to list all image sources in the frontend * @param array $atts * @since 1.1.3 * @todo link to the post */ public function list_all_post_attachments_sources_shortcode($atts = array()) { /** * @todo why not translate here with the code below? * > Because the two if statements below will need to call gettext (again) for comparing values. */ extract(shortcode_atts(array( 'per_page' => 99999, 'before_links' => '', 'after_links' => '', 'prev_text' => '« Previous', 'next_text' => 'Next »' ), $atts)); /** * @todo why not include this into the array above? */ if ('« Previous' == $prev_text) $prev_text = __('« Previous', ISCTEXTDOMAIN); if ('Next »' == $next_text) $next_text = __('Next »', ISCTEXTDOMAIN); // retrieve all attachments $args = array( 'post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null, 'meta_query' => array( array( 'key' => 'isc_image_posts', 'value' => 'a:0:{}', 'compare' => '!=' ) ) /** @todo maybe add offset to not retrieve the first results when not on first page */ /** @todo maybe add limit to not retrieve more results than on the current page */ /** >No, we need to get total count of attachment with parents for $max_page in the pagination link. */ ); $attachments = get_posts($args); if (empty($attachments)) { return; } $options = $this->get_isc_options(); $connected_atts = array(); //Keeps only those ones who have parent foreach ($attachments as $_attachment) { $connected_atts[$_attachment->ID]['source'] = get_post_meta($_attachment->ID, 'isc_image_source', true); $connected_atts[$_attachment->ID]['own'] = get_post_meta($_attachment->ID, 'isc_image_source_own', true); $connected_atts[$_attachment->ID]['title'] = $_attachment->post_title; $connected_atts[$_attachment->ID]['author_name'] = ''; if ('' != $connected_atts[$_attachment->ID]['own']) { $connected_atts[$_attachment->ID]['author_name'] = get_the_author_meta('display_name', $_attachment->post_author); } $metadata = get_post_meta($_attachment->ID, 'isc_image_posts', true); $usage_data = ''; if (is_array($metadata) && array() != $metadata) { $usage_data .= ""; } $connected_atts[$_attachment->ID]['posts'] = $usage_data; } $total = count($connected_atts); if (0 == $total) return; $page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1; $down_limit = 1; // First page $up_limit = 1; if ($per_page < $total) { $rem = $total % $per_page; // The Remainder of $total/$per_page $up_limit = ($total - $rem) / $per_page; if (0 < $rem) { $up_limit++; //If rem is positive, add the last page that contains less than $per_page attachment; } } ob_start(); if ( 2 > $up_limit ) { $this->display_all_attachment_list($connected_atts); } else { $starting_atts = $per_page * ($page - 1); // for page 2 and 3 $per_page start display on $connected_atts[3*(2-1) = 3] $paged_atts = array_slice($connected_atts, $starting_atts, $per_page, true); $this->display_all_attachment_list($paged_atts); $this->pagination_links($up_limit, $before_links, $after_links, $prev_text, $next_text); } if (isset($options['webgilde']) && true == $options['webgilde']) { ?>

Image Source Control Plugin', ISCTEXTDOMAIN), WEBGILDE); ?>

get_isc_options(); ?> $data) : ?> _common_texts['not_available']; if ('' != $data['own']) { /** @todo ment for later: this text was used above already; find a place to but it so it is defined only once and used where needed */ if ($this->_options['use_authorname']) { $source = $data['author_name']; } else { $source = $this->_options['by_author_text']; } } else { if (!empty($data['source'])) $source = $data['source']; } ?>
> > > >
get_page_link() returns the permalink but for the default WP permalink structure, the permalink looks like "http://domain.tld/?p=52", while $_GET * still has a field named 'page_id' with the same value of 52. */ $pos = strpos($page_link, '?'); if (false !== $pos) { $page_link = substr($page_link, 0, $pos); } /** * Unset the actual "$_GET['isc-page']" variable (if is set). Pagination variable will be appended to the new query string with a different value for each * pagination link. */ if (isset($_GET['isc-page'])) { unset($_GET['isc-page']); } $query_string = http_build_query($_GET); $isc_query_tag = ''; if (empty($query_string)) { $isc_query_tag = '?isc-page='; } else { $query_string = '?' . $query_string; $isc_query_tag = '&isc-page='; } if ($min_page != $page) { ?> 1 ... ...
default_options() ); } $options = $this->get_isc_options(); if (!$options['installed']) { /** * Here, all jobs to perform during first activation, especially options and custom fields. * Important: NO add_action('something', 'somefunction') here. */ // adds meta fields for attachments $this->add_meta_values_to_attachments(); // set all isc_image_posts meta fields. $this->init_image_posts_metafield(); $options['installed'] = true; update_option('isc_options', $options); } } /** * Returns default options */ public function default_options() { $default['image_list_headline'] = __('image sources', ISCTEXTDOMAIN); $default['use_authorname'] = true; $default['by_author_text'] = __('Owned by the author', ISCTEXTDOMAIN); $default['installed'] = false; $default['version'] = ISCVERSION; $default['webgilde'] = false; $default['thumbnail_in_list'] = false; $default['thumbnail_size'] = 'thumbnail'; $default['thumbnail_width'] = 150; $default['thumbnail_height'] = 150; $default['warning_nosource'] = true; $default['warning_onesource_missing'] = true; $default['hide_list'] = false; $default['caption_position'] = 'top-left'; $default['source_on_image'] = false; $default['source_pretext'] = __('Source:', ISCTEXTDOMAIN); return $default; } /** * Settings API initialization */ public function SAPI_init() { $this->upgrade_management(); register_setting('isc_options_group', 'isc_options', array($this, 'settings_validation')); add_settings_section('isc_settings_section', '', '__return_false', 'isc_settings_page'); // Starts Page/Post settings group add_settings_field('image_list_headline', __('Image list headline', ISCTEXTDOMAIN), array($this, 'renderfield_list_headline'), 'isc_settings_page', 'isc_settings_section'); /** * All new setting in Page/Post group Here! */ add_settings_field('hide_list', __('Hide the image list', ISCTEXTDOMAIN), array($this, 'renderfield_hide_list'), 'isc_settings_page', 'isc_settings_section'); // Ends Page/Post settings group // Starts Full images list group add_settings_field('use_thumbnail', __("Use thumbnails in images list", ISCTEXTDOMAIN), array($this, 'renderfield_use_thumbnail'), 'isc_settings_page', 'isc_settings_section'); /** * All new setting in Full images list group Here! */ add_settings_field('thumbnail_width', __("Thumbnails max-width", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_width'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('thumbnail_height', __("Thumbnails max-height", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_height'), 'isc_settings_page', 'isc_settings_section'); // Ends Full images list group // Starts Misc settings group add_settings_field('use_authorname', __('Use authors names', ISCTEXTDOMAIN), array($this, 'renderfield_use_authorname'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('by_author_text', __('Custom text for owned images', ISCTEXTDOMAIN), array($this, 'renderfield_byauthor_text'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('webgilde_backlink', __("Link to webgilde's website", ISCTEXTDOMAIN), array($this, 'renderfield_webgile'), 'isc_settings_page', 'isc_settings_section'); /** * All new setting in Misc settings group Here! */ add_settings_field('source_caption', __("Source as caption on image", ISCTEXTDOMAIN), array($this, 'renderfield_source_caption'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('caption_position', __("Caption position", ISCTEXTDOMAIN), array($this, 'renderfield_caption_pos'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('warning_one_source', __("Warning when there is at least one missing source", ISCTEXTDOMAIN), array($this, 'renderfield_warning_onesource_misisng'), 'isc_settings_page', 'isc_settings_section'); add_settings_field('warning_nosource', __("Warnings when source not available", ISCTEXTDOMAIN), array($this, 'renderfield_warning_nosource'), 'isc_settings_page', 'isc_settings_section'); // Ends Misc settings group } /** * manage data structure upgrading of outdated versions */ public function upgrade_management() { /* * Since the activation hook is not executed on plugin upgrade, this function checks options in database * during the admin_init hook to handle plugin's upgrade. */ $options = get_option('isc_options'); if (!is_array($options)) { // special case for version prior to 1.2 (which don't have options) $options = $this->default_options(); $this->init_image_posts_metafield(); $options['installed'] = true; update_option('isc_options', $options); } if (ISCVERSION != $options['version']) { $options = $options + $this->default_options(); $options['version'] = ISCVERSION; update_option('isc_options', $options); } } /** * Image_control's page callback */ public function render_isc_settings_page() { ?>

get_isc_options(); $description = __('The headline of the image list added via shortcode or function in your theme.', ISCTEXTDOMAIN); ?>

get_isc_options(); $description = __("Hide the list when the post is loaded. A simple click on the list headline will show the list content.", ISCTEXTDOMAIN); ?>
/>

get_isc_options(); $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); ?>
/>

get_isc_options(); $description = __("Enter the custom text to display if you do not want to use the author's public name.", ISCTEXTDOMAIN); ?>
class="regular-text" />

get_isc_options(); $description = sprintf(__('Display a link to Image Source Control plugin's website below the list of all images in the blog?', ISCTEXTDOMAIN), WEBGILDE); ?>
/>

get_isc_options(); $description = __('Display thumbnails on the list of all images in the blog.' ,ISCTEXTDOMAIN); ?>
/>

get_isc_options(); $description = __('Custom value of the maximum allowed width for thumbnail.' ,ISCTEXTDOMAIN); ?>
px

get_isc_options(); $description = __('Custom value of the maximum allowed height for thumbnail.' ,ISCTEXTDOMAIN); ?>
px

get_isc_options(); $description = __('Warn and prevent data to be saved when an attachment is edited and the source has not been specified.' ,ISCTEXTDOMAIN); ?>
/>

get_isc_options(); $description = __('Display an admin notice in admin pages when one or more image sources are missing.' ,ISCTEXTDOMAIN); ?>
/>

get_isc_options(); $description = __('Position of captions into images' ,ISCTEXTDOMAIN); ?>

get_isc_options(); $description_checkbox = __('Tick to display source onto each image.' ,ISCTEXTDOMAIN); $description_textfield = __('The text preceding the source on each image.' ,ISCTEXTDOMAIN); ?>
/>

default_options()); } /* * Input validation function. * @param array $input values from the admin panel */ public function settings_validation($input) { $output = $this->get_isc_options(); $output['image_list_headline'] = esc_html($input['image_list_headline_field']); if (isset($input['use_authorname_ckbox'])) { // Don't worry about the custom text if the author name is selected. $output['use_authorname'] = true; } else { $output['use_authorname'] = false; $output['by_author_text'] = esc_html($input['by_author_text_field']); } if (isset($input['webgilde_field'])) { $output['webgilde'] = true; } else { $output['webgilde'] = false; } if (isset($input['use_thumbnail'])) { $output['thumbnail_in_list'] = true; if (in_array($input['size_select'], $this->_thumbnail_size)) { $output['thumbnail_size'] = $input['size_select']; } if ('custom' == $input['size_select']) { if (is_numeric($input['thumbnail_width'])) { // Ensures that the value stored in database in a positive integer. $output['thumbnail_width'] = abs(intval(round($input['thumbnail_width']))); } if (is_numeric($input['thumbnail_height'])) { $output['thumbnail_height'] = abs(intval(round($input['thumbnail_height']))); } } } else { $output['thumbnail_in_list'] = false; } if (isset($input['no_source'])) { $output['warning_nosource'] = true; } else { $output['warning_nosource'] = false; } if (isset($input['one_source'])) { $output['warning_onesource_missing'] = true; } else { $output['warning_onesource_missing'] = false; } if (isset($input['hide_list'])){ $output['hide_list'] = true; } else { $output['hide_list'] = false; } if (in_array($input['cap_pos'], $this->_caption_position)) $output['caption_position'] = $input['cap_pos']; if (isset($input['source_on_image'])) { $output['source_on_image'] = true; $output['source_pretext'] = $input['source_pretext']; } else { $output['source_on_image'] = false; } return $output; } /** * Adds isc_image_posts on all attachments. Launched during first installation. */ public function init_image_posts_metafield() { $args = array( 'post_type' => 'any', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null, ); $posts = get_posts($args); foreach ($posts as $post) { setup_postdata($post); $image_urls = $this->_filter_src_attributes($post->post_content); $image_ids = array(); foreach ($image_urls as $url) { $image_id = intval($this->get_image_by_url($url)); array_push($image_ids,$image_id); } foreach ($image_ids as $id) { $meta = get_post_meta($id, 'isc_image_posts', true); if (empty($meta)) { update_post_meta($id, 'isc_image_posts', array($post->ID)); } else { if (!in_array($post->ID, $meta)) { array_push($meta, $post->ID); update_post_meta($id, 'isc_image_posts', $meta); } } } } } /** * */ public function admin_notices() { $args = array( 'post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null, 'meta_query' => array( array( 'key' => 'isc_image_source', 'value' => '', 'compare' => '=' ), array( 'key' => 'isc_image_source_own', 'value' => '', 'compare' => '' ) ) ); $attachments = get_posts($args); $options = $this->get_isc_options(); if (!empty($attachments) && $options['warning_onesource_missing'] ) { $missing_src = esc_url(admin_url('upload.php?page=image-source-control-isc/templates/missing_sources.php')); ?>

missing sources list', ISCTEXTDOMAIN), $missing_src);?>

list_post_attachments_with_sources($post_id); } }