359 lines
10 KiB
PHP
359 lines
10 KiB
PHP
<?php
|
|
|
|
/**
|
|
* The core functions of ComicPress.
|
|
*/
|
|
class ComicPress {
|
|
var $comicpress_options = array(
|
|
'comic_category_id' => 1,
|
|
'comic_dimensions' => '760x',
|
|
'rss_dimensions' => '350x',
|
|
'archive_dimensions' => '125x',
|
|
'mini_dimensions' => '100x',
|
|
'category_order' => false,
|
|
'blogpost_count' => 10,
|
|
'comic_space' => 'comic_only',
|
|
'category_page_usage' => 'archive_list'
|
|
);
|
|
|
|
var $additional_stylesheets = array();
|
|
var $additional_javascripts = array();
|
|
|
|
var $comic_post_attachments_cache = array();
|
|
var $category_tree = array();
|
|
|
|
var $partial_paths = array();
|
|
|
|
/**
|
|
* Load ComicPress options.
|
|
*/
|
|
function load() {
|
|
$result = get_option('comicpress-options');
|
|
if (is_array($result)) {
|
|
$this->comicpress_options = array_merge($this->comicpress_options, $result);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save ComicPress options.
|
|
*/
|
|
function save() {
|
|
if (is_array($this->comicpress_options)) {
|
|
update_option('comicpress-options', $this->comicpress_options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize the class.
|
|
*/
|
|
function init() {
|
|
$this->load();
|
|
$this->get_all_category_objects_by_id();
|
|
$this->flatten_categories();
|
|
$this->separate_categories();
|
|
$this->sort_comic_categories();
|
|
|
|
add_action('wp_head', array(&$this, 'wp_head'));
|
|
}
|
|
|
|
function wp_head() {
|
|
foreach ($this->additional_stylesheets as $uri) { ?>
|
|
<link rel="stylesheet" href="<?php echo get_template_directory_uri() . $uri ?>" type="text/css" />
|
|
<?php }
|
|
foreach ($this->additional_javascripts as $uri) { ?>
|
|
<script type="text/javascript" src="<?php echo get_template_directory_uri() . $uri ?>"></script>
|
|
<?php }
|
|
}
|
|
|
|
/**
|
|
* Flatten all WP categories into nodes like 0/3/5.
|
|
* @tested
|
|
*/
|
|
function flatten_categories() {
|
|
$this->category_tree = array();
|
|
|
|
foreach (array_keys($this->categories_by_id) as $category_id) {
|
|
$this->category_tree[] = $this->categories_by_id[$category_id]->parent . '/' . $category_id;
|
|
}
|
|
|
|
do {
|
|
$all_ok = true;
|
|
for ($i = 0; $i < count($this->category_tree); ++$i) {
|
|
$current_parts = explode("/", $this->category_tree[$i]);
|
|
if (reset($current_parts) != 0) {
|
|
|
|
$all_ok = false;
|
|
for ($j = 0; $j < count($this->category_tree); ++$j) {
|
|
$j_parts = explode("/", $this->category_tree[$j]);
|
|
|
|
if (end($j_parts) == reset($current_parts)) {
|
|
$this->category_tree[$i] = implode("/", array_merge($j_parts, array_slice($current_parts, 1)));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} while (!$all_ok);
|
|
|
|
return $this->category_tree;
|
|
}
|
|
|
|
/**
|
|
* Separate categories into comics and non-comics categories.
|
|
* @tested
|
|
*/
|
|
function separate_categories() {
|
|
$comic_categories = array();
|
|
$non_comic_categories = array();
|
|
|
|
foreach ($this->category_tree as $node) {
|
|
$parts = split("/", $node);
|
|
if ($parts[1] == $this->comicpress_options['comic_category_id']) {
|
|
$comic_categories[] = $node;
|
|
} else {
|
|
$non_comic_categories[] = $node;
|
|
}
|
|
}
|
|
|
|
$this->category_tree = $comic_categories;
|
|
$this->non_comic_categories = $non_comic_categories;
|
|
}
|
|
|
|
/**
|
|
* Sort the category tree, adding in new categories in the order as necessary.
|
|
* @tested
|
|
*/
|
|
function sort_comic_categories() {
|
|
if (is_array($this->comicpress_options['category_order'])) {
|
|
$new_order = array();
|
|
foreach ($this->comicpress_options['category_order'] as $node) {
|
|
if (in_array($node, $this->category_tree)) {
|
|
$new_order[] = $node;
|
|
}
|
|
}
|
|
|
|
foreach ($this->category_tree as $node) {
|
|
if (!in_array($node, $this->comicpress_options['category_order'])) {
|
|
$new_order[] = $node;
|
|
}
|
|
}
|
|
|
|
$this->category_tree = $new_order;;
|
|
}
|
|
return $this->category_tree;
|
|
}
|
|
|
|
/**
|
|
* Turn the list of categories into a hash table of category objects.
|
|
*/
|
|
function get_all_category_objects_by_id() {
|
|
if (empty($this->categories_by_id)) {
|
|
$this->categories_by_id = array();
|
|
foreach (get_categories("hide_empty=0") as $category_object) {
|
|
$this->categories_by_id[$category_object->term_id] = $category_object;
|
|
}
|
|
}
|
|
return $this->categories_by_id;
|
|
}
|
|
|
|
/**
|
|
* Turn the tree of comics categories into a string to be fed into wp_query functions.
|
|
* @tested
|
|
*/
|
|
function get_all_comic_categories_as_cat_string() {
|
|
if (empty($this->all_comic_categories_as_string)) {
|
|
$categories = array();
|
|
foreach ($this->category_tree as $node) {
|
|
$categories[] = end(explode("/", $node));
|
|
}
|
|
$this->all_comic_categories_as_string = implode(",", $categories);
|
|
}
|
|
return $this->all_comic_categories_as_string;
|
|
}
|
|
|
|
/**
|
|
* Return true if the current post is in the comics category or a child category.
|
|
* @tested
|
|
*/
|
|
function in_comic_category($post_id = null) {
|
|
global $post;
|
|
|
|
$post_id_to_use = !is_null($post_id) ? $post_id : $post->ID;
|
|
|
|
$categories = wp_get_post_categories($post_id_to_use);
|
|
if (is_array($categories)) {
|
|
foreach ($this->category_tree as $node) {
|
|
if (in_array(end(explode("/", $node)), $categories)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Find the terminal post in a specific category.
|
|
*/
|
|
function get_terminal_post_in_category($category_id, $first = true) {
|
|
$sort_order = $first ? "asc" : "desc";
|
|
$terminal_comic_query =$this->_new_wp_query();
|
|
$terminal_comic_query->query("showposts=1&order=${sort_order}&cat=${category_id}&status=publish");
|
|
if ($terminal_comic_query->have_posts()) {
|
|
return reset($terminal_comic_query->posts);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the first comic in a category.
|
|
*/
|
|
function get_first_comic() {
|
|
return $this->get_terminal_post_in_category($this->get_all_comic_categories_as_cat_string());
|
|
}
|
|
|
|
/**
|
|
* Get the last comic in a category.
|
|
*/
|
|
function get_last_comic() {
|
|
return $this->get_terminal_post_in_category($this->get_all_comic_categories_as_cat_string(), false);
|
|
}
|
|
|
|
/**
|
|
* Get the comics necessary to build the navigation.
|
|
* @tested
|
|
*/
|
|
function get_nav_comics() {
|
|
global $post;
|
|
|
|
$comic_posts = array();
|
|
foreach (array('first', 'last', 'previous', 'next') as $which) {
|
|
$comic_posts[$which] = $this->{"get_${which}_comic"}();
|
|
}
|
|
|
|
$comic_posts['show_first'] = (trim($post->ID) != trim($comic_posts['first']->ID));
|
|
$comic_posts['show_previous'] = (!empty($comic_posts['previous']) && (trim($comic_posts['first']->ID) != trim($comic_posts['previous']->ID)));
|
|
$comic_posts['show_next'] = (!empty($comic_posts['next']) && (trim($comic_posts['last']->ID) != trim($comic_posts['next']->ID)));
|
|
$comic_posts['show_last'] = (trim($post->ID) != trim($comic_posts['last']->ID));
|
|
|
|
return $comic_posts;
|
|
}
|
|
|
|
/**
|
|
* Get the comic post adjacent to the current comic.
|
|
*/
|
|
function get_adjacent_comic($category, $next = false, $override_post = null) {
|
|
global $wp_query, $post;
|
|
$temp = $wp_query->is_single;
|
|
$wp_query->is_single = true;
|
|
|
|
if (!is_null($override_post)) {
|
|
$temp_post = $post;
|
|
$post = $override_post;
|
|
}
|
|
|
|
$categories_to_exclude = $this->get_leaves_of_tree($this->non_comic_categories);
|
|
if (!is_null($category)) {
|
|
$categories_to_exclude = $this->exclude_all_but_provided_categories($category);
|
|
}
|
|
|
|
$result = get_adjacent_post(false, implode(" and ", $categories_to_exclude), !$next);
|
|
|
|
$wp_query->is_single = $temp;
|
|
|
|
if (!is_null($override_post)) {
|
|
$post = $temp_post;
|
|
}
|
|
|
|
return empty($result) ? false : $result;
|
|
}
|
|
|
|
/**
|
|
* Given a category ID or an array of category IDs, create an exclusion string that will
|
|
* filter out every category but the provided ones.
|
|
*/
|
|
function get_string_to_exclude_all_but_provided_categories($category) {
|
|
return implode(",", $this->exclude_all_but_provided_categories($category));
|
|
}
|
|
|
|
/**
|
|
* Exclude every category but the given one.
|
|
*/
|
|
function exclude_all_but_provided_categories($category) {
|
|
$category_ids = array_keys($this->get_all_category_objects_by_id());
|
|
if (!is_array($category)) { $category = array($category); }
|
|
return array_diff($category_ids, $category);
|
|
}
|
|
|
|
/**
|
|
* Gets the leaves of a ComicPress node tree (branches look like "0/4/5").
|
|
*/
|
|
function get_leaves_of_tree($tree) {
|
|
$leaves = array();
|
|
foreach ($tree as $branch) { $leaves[] = end(explode("/", $branch)); }
|
|
return $leaves;
|
|
}
|
|
|
|
/**
|
|
* Get a new WP_Query object.
|
|
*/
|
|
function _new_wp_query() {
|
|
return new WP_Query();
|
|
}
|
|
|
|
/**
|
|
* Get the previous comic from the current one.
|
|
*/
|
|
function get_previous_comic($category = null, $override_post = null) { return $this->get_adjacent_comic($category, false, $override_post); }
|
|
|
|
/**
|
|
* Get the next comic from the current one.
|
|
*/
|
|
function get_next_comic($category = null, $override_post = null) { return $this->get_adjacent_comic($category, true, $override_post); }
|
|
|
|
/**
|
|
* Get the path to a partial.
|
|
* @param array $partials The partials to search for in each path.
|
|
* @return string|boolean The partial path to use, or false if no matches.
|
|
*/
|
|
function get_partial_path($partials) {
|
|
foreach ($partials as $partial) {
|
|
foreach ($this->partial_paths as $path) {
|
|
$target = $path . '/' . $partial . '.inc';
|
|
if (file_exists($target)) {
|
|
return $target;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gather blog posts for the given index page.
|
|
*/
|
|
function get_index_blog_posts() {
|
|
global $post, $paged;
|
|
|
|
$t = $post;
|
|
|
|
$wp_query = new WP_Query();
|
|
$wp_query->query(
|
|
'showposts=' .
|
|
(int)$this->comicpress_options['blogpost_count'] .
|
|
'&cat=-' .
|
|
$this->comicpress_options['comic_category_id'] .
|
|
'&paged=' .
|
|
$paged
|
|
);
|
|
|
|
$posts = array();
|
|
if ($wp_query->have_posts()) {
|
|
while ($wp_query->have_posts()) { $wp_query->the_post(); $posts[] = $post; }
|
|
}
|
|
|
|
$post = $t;
|
|
|
|
return $posts;
|
|
}
|
|
}
|
|
|
|
?>
|