208 lines
6.9 KiB
PHP
208 lines
6.9 KiB
PHP
<?php
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class ComicPressComicPost {
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var $post;
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var $attachments = null;
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function ComicPressComicPost($post = null) {
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if (!is_null($post)) { $this->post = $post; }
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}
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function get_comic_image_attachments() {
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if (is_null($this->attachments)) {
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$this->attachments = get_children(array(
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'post_parent' => $this->post->ID,
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'post_type' => 'attachment',
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'post_mime_type' => 'image'
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));
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}
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return $this->attachments;
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}
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/**
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* Display all the attached images.
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*/
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function display_attached_images($type = "comic", $limit = null, $size_type = null, $format = "%s") {
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if (is_null($size_type)) { $size_type = $type; }
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$found = false;
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$ordering = $this->normalize_comic_image_ordering($this->post->ID);
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$output = array();
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if (is_array($ordering[$type])) {
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$i = 1;
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foreach ($ordering[$type] as $attachment_id) {
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if (get_post_meta($attachment_id, "comic_image_type", true) == $type) {
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$attachment = get_post($attachment_id);
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$title = (!empty($attachment->post_excerpt) ? $attachment->post_excerpt : $attachment->post_title);
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$url = wp_get_attachment_url($attachment->ID, '');
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$sizes = image_downsize($attachment->ID, $size_type);
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if ($sizes) {
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$url = $sizes[0];
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}
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$output[] = apply_filters('comicpress_attached_image',
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sprintf($format, $this->get_comic_img_tag($url, $size_type, array('title' => $title))),
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$attachment_id,
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$i++);
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$found = true;
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if (!is_null($limit)) {
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if (--$limit == 0) { break; }
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}
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}
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}
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}
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if (!empty($output)) {
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echo apply_filters('comicpress_display_attached_images', $output, $this->post->ID, '');
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}
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return $found;
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}
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function _display_type($types, $format, $single = false) {
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$target_type = reset($types);
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foreach ($types as $type) {
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if ($this->display_attached_images($type, ($single ? 1 : null), $target_type, $format)) {
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return;
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}
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}
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}
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function display_comics($format) { $this->_display_type(array('comic'), $format); }
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function display_archive($format) { $this->_display_type(array('archive'. 'comic'), $format, true); }
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function display_rss($format) { $this->_display_type(array('rss'. 'comic'), $format); }
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/**
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* Build an <img /> tag for a comic.
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*/
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function get_comic_img_tag($url, $type, $additional_parameters = array()) {
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$dimensions = array();
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if (isset($this->comicpress->comicpress_options["${type}_dimensions"])) {
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list($width, $height) = explode("x", $this->comicpress->comicpress_options["${type}_dimensions"]);
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$dimensions = compact('width', 'height');
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}
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$output = '<img src="' . $url . '" ';
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foreach (array('width', 'height') as $field) {
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if (!empty($dimensions[$field])) {
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$output .= $field . '="' . $dimensions[$field] . '" ';
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}
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}
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if (is_array($additional_parameters)) {
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foreach ($additional_parameters as $parameter => $value) {
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$output .= $parameter . '="' . $value . '" ';
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}
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}
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$output .= "/>";
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return $output;
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}
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/**
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* Normalize the ordering of comic images in this post.
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* If images have beed added or removed, intelligently update the metadata.
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*/
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function normalize_comic_image_ordering() {
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if (is_array($this->get_comic_image_attachments())) {
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$ordering_by_type = array();
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$ordering_types = get_post_meta($this->post->ID, 'comic_ordering', true);
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$comic_image_ordering = array();
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$found_post_ids = array();
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if (!empty($ordering_types)) {
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foreach ($ordering_types as $type => $post_ids) {
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$comic_image_ordering[$type] = array();
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foreach ($post_ids as $ordering_post_id) {
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foreach ($this->get_comic_image_attachments() as $attachment) {
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if (!isset($found_post_ids[$attachment->ID])) {
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if ($attachment->ID == $ordering_post_id) {
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$comic_image_ordering[$type][] = $attachment->ID;
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$found_post_ids[$ordering_post_id] = true;
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}
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}
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}
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}
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}
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}
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$remaining_posts_to_sort = array();
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foreach ($this->get_comic_image_attachments() as $attachment) {
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$comic_image_type = get_post_meta($attachment->ID, 'comic_image_type', true);
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if (!empty($comic_image_type)) {
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if (!isset($found_post_ids[$attachment->ID])) {
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if (!isset($remaining_posts_to_sort[$comic_image_type])) {
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$remaining_posts_to_sort[$comic_image_type] = array();
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}
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$remaining_posts_to_sort[$comic_image_type][] = $attachment->ID;
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}
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}
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}
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foreach ($remaining_posts_to_sort as $type => $posts) {
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usort($remaining_posts_to_sort[$type], array(&$this, 'sort_remaining_comic_images'));
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}
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foreach ($remaining_posts_to_sort as $type => $posts) {
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if (is_array($comic_image_ordering[$type])) {
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$comic_image_ordering[$type] = array_merge($comic_image_ordering[$type], $posts);
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} else {
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$comic_image_ordering[$type] = $posts;
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}
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}
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update_post_meta($this->post->ID, 'comic_ordering', $comic_image_ordering);
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return $comic_image_ordering;
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}
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return false;
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}
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function sort_remaining_comic_images($a, $b) {
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return strtotime($a->post_date) - strtotime($b->post_date);
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}
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/**
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* Change the ordering of comic images in the associated post.
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* @param array $order The new requested order.
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*/
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function change_comic_image_ordering($requested_new_order) {
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$orderings = get_post_meta($this->post->ID, 'comic_ordering', true);
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if (!is_array($orderings)) { $orderings = array(); }
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$new_order = array();
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$requested_new_order = (array)$requested_new_order;
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foreach ($orderings as $type => $current_order) {
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$new_order[$type] = array();
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$sort_by_position = array();
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$position = 0;
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foreach ($requested_new_order[$type] as $id) {
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if (!isset($sort_by_position[$position])) {
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$sort_by_position[$position] = array();
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}
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$sort_by_position[$position][] = $id;
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$position++;
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}
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ksort($sort_by_position);
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$requested_order = array();
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foreach ($sort_by_position as $position => $ids) {
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sort($ids);
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$requested_order = array_merge($requested_order, $ids);
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}
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$requested_order = array_merge($requested_order, array_diff($current_order, $requested_order));
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foreach ($requested_order as $requested_comic) {
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if (in_array($requested_comic, $current_order)) {
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$new_order[$type][] = $requested_comic;
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}
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}
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}
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update_post_meta($this->post->ID, 'comic_ordering', $new_order);
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}
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}
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?>
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