function cpm_action_build_storyline_schema()
{
global $cpm_config;
update_option('comicpress-enable-storyline-support', isset($_POST['enable-storyline-support']) ? 1 : 0);
update_option('comicpress-storyline-show-top-category', isset($_POST['show-top-category']) ? 1 : 0);
if (isset($_POST['enable-storyline-support'])) {
$cpm_config->is_cpm_modifying_categories = true;
$categories_to_create = array();
$categories_to_rename = array();
$category_ids_to_clean = array();
extract(cpm_get_all_comic_categories());
$comic_posts = cpm_query_posts();
$comic_posts_by_category_id = array();
foreach ($comic_posts as $post) {
foreach (wp_get_post_categories($post->ID) as $category) {
if (!isset($comic_posts_by_category_id[$category])) {
$comic_posts_by_category_id[$category] = array();
}
$comic_posts_by_category_id[$category][] = $post->ID;
}
}
foreach ($_POST as $field => $value) {
$value = stripslashes($value);
$parts = explode("/", $field);
if ($parts[0] == "0" && count($parts) > 1) {
$category_id = end($parts);
$category = get_category($category_id);
if (!empty($category)) {
$category = (array) $category;
if ($category['cat_name'] != $value) {
$cpm_config->messages[] = sprintf(__('Category <strong>%1$s</strong> renamed to <strong>%2$s</strong>.', 'comicpress-manager'), $category['cat_name'], $value);
$category['cat_name'] = $value;
wp_update_category($category);
$category_ids_to_clean[] = $category_id;
}
} else {
$categories_to_create[$field] = $value;
}
if (($index = array_search($field, $category_tree)) !== false) {
array_splice($category_tree, $index, 1);
}
}
}
if (isset($_POST['original-categories'])) {
foreach (explode(",", $_POST['original-categories']) as $node) {
if (!isset($_POST[$node])) {
$category_id = end(explode("/", $node));
$category = get_category($category_id);
$original_cat_name = $category->cat_name;
// ensure that we're not deleting a ComicPress category
$ok = true;
foreach (array('comiccat', 'blogcat') as $type) {
if ($category_id == $cpm_config->properties[$type]) {
$ok = false;
}
}
// ensure that the category truly is a child of the comic category
if ($ok) {
$category = get_category($category_id);
$ok = false;
if (!is_wp_error($category)) {
while ($category->parent != 0 && $category->parent != $cpm_config->properties['comiccat']) {
$category = get_category($category->parent);
}
if ($category->parent == $cpm_config->properties['comiccat']) {
$ok = true;
}
}
}
if ($ok) {
wp_delete_category($category_id);
$category_ids_to_clean[] = $category_id;
$cpm_config->messages[] = sprintf(__('Category <strong>%s</strong> deleted.', 'comicpress-manager'), $original_cat_name);
}
}
}
}
uksort($categories_to_create, 'cpm_sort_category_keys_by_length');
$changed_field_ids = array();
$removed_field_ids = array();
$target_category_ids = array();
foreach ($categories_to_create as $field => $value) {
$original_field = $field;
foreach ($changed_field_ids as $changed_field => $new_field) {
if (strpos($field, $changed_field) === 0 && strlen($field) > strlen($changed_field)) {
$field = str_replace($changed_field, $new_field, $field);
break;
}
}
$parts = explode("/", $field);
$target_id = array_pop($parts);
$parent_id = array_pop($parts);
if (!category_exists($value)) {
$category_id = wp_create_category($value, $parent_id);
$category_ids_to_clean[] = $category_id;
array_push($parts, $parent_id);
array_push($parts, $category_id);
$changed_field_ids[$original_field] = implode("/", $parts);
$cpm_config->messages[] = sprintf(__('Category <strong>%s</strong> created.', 'comicpress-manager'), $value);
} else {
$cpm_config->warnings[] = sprintf(__("The category %s already exists. Please enter a new name.", 'comicpress-manager'), $value);
$removed_field_ids[] = $field;
}
}
$order = array_diff(explode(",", $_POST['order']), $removed_field_ids);
for ($i = 0; $i < count($order); ++$i) {
if (isset($changed_field_ids[$order[$i]])) {
$order[$i] = $changed_field_ids[$order[$i]];
}
}
// ensure we're writing sane data
$new_order = array();
$valid_comic_categories = array();
foreach ($order as $node) {
$parts = explode("/", $node);
if ($parts[0] == "0" && count($parts) > 1) {
$new_order[] = $node;
$valid_comic_categories[] = end($parts);
}
}
$comic_categories_preserved = array();
foreach ($comic_posts as $post) {
$categories = wp_get_post_categories($post->ID);
if (count(array_intersect($valid_comic_categories, $categories)) == 0) {
$all_parent_categories = array();
foreach ($comic_posts_by_category_id as $category => $post_ids) {
if (in_array($post->ID, $post_ids)) {
foreach ($new_order as $node) {
$parts = explode("/", $node);
if ($category == end($parts)) {
$parts = explode("/", $node);
array_pop($parts);
if (count($parts) > 1) {
$all_parent_categories[] = implode("/", $parts);
}
}
}
}
}
if (count($all_parent_categories) > 0) {
foreach ($all_parent_categories as $category_node) {
if (in_array($category_node, $new_order)) {
$categories[] = end(explode("/", $category_node));
}
}
} else {
$categories[] = $cpm_config->properties['comiccat'];
}
wp_set_post_categories($post->ID, $categories);
$comic_categories_preserved[] = $post->ID;
}
}
if (count($comic_categories_preserved) > 0) {
$cpm_config->messages[] = sprintf(__("The following orphaned comic posts were placed into their original category's parent: <strong>%s</strong>"), implode(", ", $comic_categories_preserved));
}
$cpm_config->messages[] = __('Storyline structure saved.', 'comicpress-manager');
update_option("comicpress-storyline-category-order", implode(",", $new_order));
clean_term_cache($category_ids_to_clean, 'category');
wp_cache_flush();
}
}
/**
* Create a list of checkboxes that can be used to select additional categories.
*/
function cpm_generate_additional_categories_checkboxes($override_name = null)
{
global $cpm_config;
$additional_categories = array();
$invalid_ids = array($cpm_config->properties['blogcat']);
extract(cpm_get_all_comic_categories());
foreach ($category_tree as $node) {
$invalid_ids[] = end(explode('/', $node));
}
foreach (get_all_category_ids() as $cat_id) {
if (!in_array($cat_id, $invalid_ids)) {
$category = get_category($cat_id);
$additional_categories[strtolower($category->cat_name)] = $category;
}
}
ksort($additional_categories);
$name = !empty($override_name) ? $override_name : "additional-categories";
$selected_additional_categories = explode(",", cpm_option("cpm-default-additional-categories"));
$category_checkboxes = array();
if (count($additional_categories) > 0) {
foreach ($additional_categories as $category) {
$checked = in_array($category->cat_ID, $selected_additional_categories) ? "checked" : "";
$category_checkboxes[] = "<input id=\"additional-" . $category->cat_ID . "\" type=\"checkbox\" name=\"{$name}[]\" value=\"" . $category->cat_ID . "\" {$checked} /> <label for=\"additional-" . $category->cat_ID . "\">" . $category->cat_name . "</label><br />";
}
}
return $category_checkboxes;
}
/**
* Normalize a storyline structure, merging it with category changes as necessary.
* @return array A compact()ed array with the $max_id found and the $category_tree.
*/
function cpm_normalize_storyline_structure()
{
global $cpm_config;
extract(cpm_get_all_comic_categories());
do {
$did_normalize = false;
// sort it by this order as best as possible
if ($result = get_option("comicpress-storyline-category-order")) {
$sorted_tree = explode(",", $result);
$new_sorted_tree = array();
foreach ($sorted_tree as $node) {
if (in_array($node, $category_tree)) {
$new_sorted_tree[] = $node;
} else {
$did_normalize = true;
}
}
$sorted_tree = $new_sorted_tree;
foreach ($category_tree as $node) {
if (!in_array($node, $sorted_tree)) {
// try to find the nearest sibling
$parts = explode("/", $node);
while (count($parts) > 0) {
array_pop($parts);
$node_snippit = implode("/", $parts);
$last_sibling = null;
for ($i = 0; $i < count($sorted_tree); ++$i) {
if (strpos($sorted_tree[$i], $node_snippit) === 0) {
$last_sibling = $i;
}
}
if (!is_null($last_sibling)) {
$did_normalize = true;
array_splice($sorted_tree, $last_sibling + 1, 0, $node);
break;
}
}
}
}
$category_tree = $sorted_tree;
} else {
sort($category_tree);
}
if ($did_normalize || empty($result)) {
update_option("comicpress-storyline-category-order", implode(",", $category_tree));
}
} while ($did_normalize);
return compact('category_tree', 'max_id');
}
