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issuem-cats-taxonomy.php
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issuem-cats-taxonomy.php
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<?php
/**
* Registers IssueM Article, Category Taxonomy w/ Meta Boxes
*
* @package IssueM
* @since 1.0.0
*/
if ( ! function_exists( 'create_issuem_cats_taxonomy' ) ) {
/**
* Registers Article Category taxonomy for IssueM
*
* @since 1.0.0
* @todo misnamed originaly, should reallly be issuem_article_categories
*/
function create_issuem_cats_taxonomy() {
$labels = array(
'name' => __( 'Article Categories', 'issuem' ),
'singular_name' => __( 'Article Category', 'issuem' ),
'search_items' => __( 'Search Article Categories', 'issuem' ),
'all_items' => __( 'All Article Categories', 'issuem' ),
'parent_item' => __( 'Parent Article Category', 'issuem' ),
'parent_item_colon' => __( 'Parent Article Category:', 'issuem' ),
'edit_item' => __( 'Edit Article Category', 'issuem' ),
'update_item' => __( 'Update Article Category', 'issuem' ),
'add_new_item' => __( 'Add New Article Category', 'issuem' ),
'new_item_name' => __( 'New Article Category', 'issuem' ),
'menu_name' => __( 'Article Categories', 'issuem' ),
);
register_taxonomy(
'issuem_issue_categories',
array(),
array(
'hierarchical' => true,
'labels' => $labels,
'show_ui' => true,
'show_tagcloud' => true,
'show_in_rest' => true,
'query_var' => true,
'rewrite' => array( 'slug' => 'article-categories' ),
'capabilities' => array(
'manage_terms' => 'manage_article_categories',
'edit_terms' => 'manage_article_categories',
'delete_terms' => 'manage_article_categories',
'assign_terms' => 'edit_issues',
),
)
);
}
add_action( 'init', 'create_issuem_cats_taxonomy', 0 );
}
if ( ! function_exists( 'issuem_article_categories_columns' ) ) {
/**
* Filters column headings for Article categories
*
* @since 1.0.0
*
* @param array $columns
* @return array $columns
*/
function issuem_article_categories_columns( $columns ) {
// We add a Category Order field
$columns['category_order'] = __( 'Category Order', 'issuem' );
return $columns;
}
add_filter( 'manage_edit-issuem_issue_categories_columns', 'issuem_article_categories_columns', 10, 1 );
}
if ( ! function_exists( 'issuem_article_categories_sortable_columns' ) ) {
/**
* Filters sortable columns
*
* @since 1.2.0
*
* @param array $columns
* @return array $columns
*/
function issuem_article_categories_sortable_columns( $columns ) {
$columns['category_order'] = 'category_order';
return $columns;
}
add_filter( 'manage_edit-issuem_issue_categories_sortable_columns', 'issuem_article_categories_sortable_columns', 10, 1 );
}
if ( ! function_exists( 'issuem_issue_categories_sortable_column_orderby' ) ) {
/**
* Filters sortable columns
*
* @since 1.2.0
* @todo misnamed originaly, should reallly be issuem_article_categories
*
* @param array $terms
* @param array $taxonomies
* @param array $args
* @return array $terms
*/
function issuem_issue_categories_sortable_column_orderby( $terms, $taxonomies, $args ) {
global $hook_suffix;
if ( 'edit-tags.php' == $hook_suffix && in_array( 'issuem_issue_categories', $taxonomies )
&& ( empty( $_GET['orderby'] ) && ! empty( $args['orderby'] )
|| ( ! empty( $args['orderby'] ) && 'category_order' == $args['orderby'] ) ) ) {
$sort = array();
$count = 0;
foreach ( $terms as $issue ) {
if ( !$issue ) {
continue;
}
$issue_meta = get_option( 'issuem_issue_categories_' . $issue->term_id . '_meta' );
if ( ! empty( $issue_meta['category_order'] ) ) {
$sort[ $issue_meta['category_order'] ] = $issue;
} else {
$sort[ '-' . ++$count ] = $issue;
}
}
if ( 'asc' != $args['order'] ) {
krsort( $sort );
} else {
ksort( $sort );
}
$terms = $sort;
}
return $terms;
}
add_filter( 'get_terms', 'issuem_issue_categories_sortable_column_orderby', 10, 3 );
}
if ( ! function_exists( 'manage_issuem_article_categories_custom_column' ) ) {
/**
* Sets data for custom article cateagory columns
*
* @since 1.0.0
*
* @param mixed $blank
* @param string $column_name
* @param int $term_id
*
* @return mixed Value of column for given term ID.
*/
function manage_issuem_article_categories_custom_column( $blank, $column_name, $term_id ) {
$issue_cat_meta = get_option( 'issuem_issue_categories_' . $term_id . '_meta' );
if ( isset( $issue_cat_meta[ $column_name ] ) ) {
return $issue_cat_meta[ $column_name ];
}
return $blank;
}
add_filter( 'manage_issuem_issue_categories_custom_column', 'manage_issuem_article_categories_custom_column', 10, 3 );
}
if ( ! function_exists( 'issuem_article_categories_add_form_fields' ) ) {
/**
* Outputs HTML for new form fields in Article Categories
*
* @since 1.0.0
*/
function issuem_article_categories_add_form_fields() {
?>
<div class="form-field">
<label for="category_order"><?php esc_html_e( 'Category Order', 'issuem' ); ?></label>
<input type="text" name="category_order" id="category_order" />
</div>
<?php
}
add_action( 'issuem_issue_categories_add_form_fields', 'issuem_article_categories_add_form_fields' );
}
if ( ! function_exists( 'issuem_article_categories_edit_form_fields' ) ) {
/**
* Outputs HTML for new form fields in Article Categories (on Edit form)
*
* @since 1.0.0
* @todo misnamed originaly, should reallly be issuem_article_categories
*/
function issuem_article_categories_edit_form_fields( $tag, $taxonomy ) {
$article_cat_meta = get_option( 'issuem_issue_categories_' . $tag->term_id . '_meta' );
$order = isset( $article_cat_meta['category_order'] ) ? $article_cat_meta['category_order'] : '';
?>
<tr class="form-field">
<th valign="top" scope="row"><label for="category_order"><?php esc_html_e( 'Category Order', 'issuem' ); ?></label></th>
<td><input type="text" name="category_order" id="category_order" value="<?php echo esc_attr( $order ); ?>" /></td>
</tr>
<?php wp_nonce_field( 'issuem_article_category_submit', 'issuem_article_category_submit_field' ); ?>
<?php
}
add_action( 'issuem_issue_categories_edit_form_fields', 'issuem_article_categories_edit_form_fields', 10, 2 );
}
if ( ! function_exists( 'save_issuem_article_categories_meta' ) ) {
/**
* Saves form fields for Article Categories taxonomy
*
* @since 1.0.0
* @todo misnamed originaly, should reallly be issuem_article_categories
*
* @param int $term_id Term ID
* @param int $taxonomy_id Taxonomy ID
*/
function save_issuem_article_categories_meta( $term_id, $taxonomy_id ) {
if (
! isset( $_POST['issuem_article_category_submit_field'] )
|| ! wp_verify_nonce( sanitize_text_field( $_POST['issuem_article_category_submit_field'] ), 'issuem_article_category_submit' )
) {
return;
}
$issue_cat_meta = get_option( 'issuem_issue_categories_' . $term_id . '_meta' );
if ( isset( $_POST['category_order'] ) ) {
$issue_cat_meta['category_order'] = sanitize_text_field( $_POST['category_order'] );
}
update_option( 'issuem_issue_categories_' . $term_id . '_meta', $issue_cat_meta );
}
add_action( 'created_issuem_issue_categories', 'save_issuem_article_categories_meta', 10, 2 );
add_action( 'edited_issuem_issue_categories', 'save_issuem_article_categories_meta', 10, 2 );
}
/**
* Create HTML dropdown list of IssueM Article Categories.
*
* @since 1.2.6
* @uses Walker
*/
class Walker_IssueMCategoryDropdown extends Walker {
/**
* @see Walker::$tree_type
* @since 2.1.0
* @var string
*/
var $tree_type = 'category';
/**
* @see Walker::$db_fields
* @since 2.1.0
* @todo Decouple this
* @var array
*/
var $db_fields = array(
'parent' => 'parent',
'id' => 'term_id',
);
/**
* Start the element output.
*
* @see Walker::start_el()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $category Category data object.
* @param int $depth Depth of category. Used for padding.
* @param array $args Uses 'selected' and 'show_count' keys, if they exist. @see wp_dropdown_categories()
*/
function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat( ' ', $depth * 3 );
$cat_name = apply_filters( 'list_issuem_cats', $category->name, $category );
$output .= "\t<option class=\"level-$depth\" value=\"" . $category->slug . '"';
//if ( $category->slug === $args['selected'] )
// $output .= ' selected="selected"';
$output .= '>';
$output .= $pad . $cat_name;
if ( $args['show_count'] ) {
$output .= ' (' . $category->count . ')';
}
$output .= "</option>\n";
}
}