';
-
- return $output;
-}
-
//
// Category Checklists
//
/**
- * {@internal Missing Short Description}}
+ * Walker to output an unordered list of category checkbox input elements.
*
- * @since unknown
+ * @since 2.5.1
+ *
+ * @see Walker
+ * @see wp_category_checklist()
+ * @see wp_terms_checklist()
*/
class Walker_Category_Checklist extends Walker {
- var $tree_type = 'category';
- var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
-
- function start_lvl(&$output, $depth, $args) {
+ public $tree_type = 'category';
+ public $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
+
+ /**
+ * Starts the list before the elements are added.
+ *
+ * @see Walker:start_lvl()
+ *
+ * @since 2.5.1
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. @see wp_terms_checklist()
+ */
+ public function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "$indent
\n";
}
- function end_lvl(&$output, $depth, $args) {
+ /**
+ * Ends the list of after the elements are added.
+ *
+ * @see Walker::end_lvl()
+ *
+ * @since 2.5.1
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. @see wp_terms_checklist()
+ */
+ public function end_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "$indent
\n";
}
- function start_el(&$output, $category, $depth, $args) {
- extract($args);
- if ( empty($taxonomy) )
+ /**
+ * Start the element output.
+ *
+ * @see Walker::start_el()
+ *
+ * @since 2.5.1
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $category The current term object.
+ * @param int $depth Depth of the term in reference to parents. Default 0.
+ * @param array $args An array of arguments. @see wp_terms_checklist()
+ * @param int $id ID of the current term.
+ */
+ public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
+ if ( empty( $args['taxonomy'] ) ) {
$taxonomy = 'category';
+ } else {
+ $taxonomy = $args['taxonomy'];
+ }
- if ( $taxonomy == 'category' )
+ if ( $taxonomy == 'category' ) {
$name = 'post_category';
- else
- $name = 'tax_input['.$taxonomy.']';
-
- $class = in_array( $category->term_id, $popular_cats ) ? ' class="popular-category"' : '';
- $output .= "\n
" .
+ '';
+ }
+
+ /**
+ * Ends the element output, if needed.
+ *
+ * @see Walker::end_el()
+ *
+ * @since 2.5.1
+ *
+ * @param string $output Passed by reference. Used to append additional content.
+ * @param object $category The current term object.
+ * @param int $depth Depth of the term in reference to parents. Default 0.
+ * @param array $args An array of arguments. @see wp_terms_checklist()
+ */
+ public function end_el( &$output, $category, $depth = 0, $args = array() ) {
$output .= "
\n";
}
}
/**
- * {@internal Missing Short Description}}
+ * Output an unordered list of checkbox input elements labelled
+ * with category names.
+ *
+ * @since 2.5.1
*
- * @since unknown
+ * @todo Properly document optional arguments as such.
*
- * @param unknown_type $post_id
- * @param unknown_type $descendants_and_self
- * @param unknown_type $selected_cats
- * @param unknown_type $popular_cats
+ * @see wp_terms_checklist()
+ *
+ * @param int $post_id Mark categories associated with this post as checked. $selected_cats must not be an array.
+ * @param int $descendants_and_self ID of the category to output along with its descendents.
+ * @param bool|array $selected_cats List of categories to mark as checked.
+ * @param bool|array $popular_cats Override the list of categories that receive the "popular-category" class.
+ * @param object $walker Walker object to use to build the output.
+ * @param bool $checked_ontop Move checked items out of the hierarchy and to the top of the list.
*/
function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {
- wp_terms_checklist($post_id,
- array(
- 'taxonomy' => 'category',
- 'descendants_and_self' => $descendants_and_self,
- 'selected_cats' => $selected_cats,
- 'popular_cats' => $popular_cats,
- 'walker' => $walker,
- 'checked_ontop' => $checked_ontop
- ));
+ wp_terms_checklist( $post_id, array(
+ 'taxonomy' => 'category',
+ 'descendants_and_self' => $descendants_and_self,
+ 'selected_cats' => $selected_cats,
+ 'popular_cats' => $popular_cats,
+ 'walker' => $walker,
+ 'checked_ontop' => $checked_ontop
+ ) );
}
/**
- * Taxonomy independent version of wp_category_checklist
+ * Output an unordered list of checkbox input elements labelled with term names.
*
- * @param int $post_id
- * @param array $args
+ * Taxonomy independent version of {@see wp_category_checklist()}.
+ *
+ * @since 3.0.0
+ *
+ * @todo Properly document optional default arguments.
+ *
+ * @param int $post_id Post ID.
+ * @param array $args Arguments to form the terms checklist.
*/
-function wp_terms_checklist($post_id = 0, $args = array()) {
+function wp_terms_checklist( $post_id = 0, $args = array() ) {
$defaults = array(
'descendants_and_self' => 0,
'selected_cats' => false,
@@ -251,39 +161,66 @@ function wp_terms_checklist($post_id = 0, $args = array()) {
'taxonomy' => 'category',
'checked_ontop' => true
);
- extract( wp_parse_args($args, $defaults), EXTR_SKIP );
- if ( empty($walker) || !is_a($walker, 'Walker') )
- $walker = new Walker_Category_Checklist;
+ /**
+ * Filter the taxonomy terms checklist arguments.
+ *
+ * @since 3.4.0
+ *
+ * @see wp_terms_checklist()
+ *
+ * @param array $args An array of arguments.
+ * @param int $post_id The post ID.
+ */
+ $params = apply_filters( 'wp_terms_checklist_args', $args, $post_id );
- $descendants_and_self = (int) $descendants_and_self;
+ $r = wp_parse_args( $params, $defaults );
- $args = array('taxonomy' => $taxonomy);
+ if ( empty( $r['walker'] ) || ! is_a( $r['walker'], 'Walker' ) ) {
+ $walker = new Walker_Category_Checklist;
+ } else {
+ $walker = $r['walker'];
+ }
- $tax = get_taxonomy($taxonomy);
- $args['disabled'] = !current_user_can($tax->cap->assign_terms);
+ $taxonomy = $r['taxonomy'];
+ $descendants_and_self = (int) $r['descendants_and_self'];
- if ( is_array( $selected_cats ) )
- $args['selected_cats'] = $selected_cats;
- elseif ( $post_id )
- $args['selected_cats'] = wp_get_object_terms($post_id, $taxonomy, array_merge($args, array('fields' => 'ids')));
- else
- $args['selected_cats'] = array();
+ $args = array( 'taxonomy' => $taxonomy );
- if ( is_array( $popular_cats ) )
- $args['popular_cats'] = $popular_cats;
- else
- $args['popular_cats'] = get_terms( $taxonomy, array( 'fields' => 'ids', 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );
+ $tax = get_taxonomy( $taxonomy );
+ $args['disabled'] = ! current_user_can( $tax->cap->assign_terms );
+ if ( is_array( $r['selected_cats'] ) ) {
+ $args['selected_cats'] = $r['selected_cats'];
+ } elseif ( $post_id ) {
+ $args['selected_cats'] = wp_get_object_terms( $post_id, $taxonomy, array_merge( $args, array( 'fields' => 'ids' ) ) );
+ } else {
+ $args['selected_cats'] = array();
+ }
+ if ( is_array( $r['popular_cats'] ) ) {
+ $args['popular_cats'] = $r['popular_cats'];
+ } else {
+ $args['popular_cats'] = get_terms( $taxonomy, array(
+ 'fields' => 'ids',
+ 'orderby' => 'count',
+ 'order' => 'DESC',
+ 'number' => 10,
+ 'hierarchical' => false
+ ) );
+ }
if ( $descendants_and_self ) {
- $categories = (array) get_terms($taxonomy, array( 'child_of' => $descendants_and_self, 'hierarchical' => 0, 'hide_empty' => 0 ) );
+ $categories = (array) get_terms( $taxonomy, array(
+ 'child_of' => $descendants_and_self,
+ 'hierarchical' => 0,
+ 'hide_empty' => 0
+ ) );
$self = get_term( $descendants_and_self, $taxonomy );
array_unshift( $categories, $self );
} else {
- $categories = (array) get_terms($taxonomy, array('get' => 'all'));
+ $categories = (array) get_terms( $taxonomy, array( 'get' => 'all' ) );
}
- if ( $checked_ontop ) {
+ if ( $r['checked_ontop'] ) {
// Post process $categories rather than adding an exclude to the get_terms() query to keep the query the same across all posts (for any query cache)
$checked_categories = array();
$keys = array_keys( $categories );
@@ -296,38 +233,39 @@ function wp_terms_checklist($post_id = 0, $args = array()) {
}
// Put checked cats on top
- echo call_user_func_array(array(&$walker, 'walk'), array($checked_categories, 0, $args));
+ echo call_user_func_array( array( $walker, 'walk' ), array( $checked_categories, 0, $args ) );
}
// Then the rest of them
- echo call_user_func_array(array(&$walker, 'walk'), array($categories, 0, $args));
+ echo call_user_func_array( array( $walker, 'walk' ), array( $categories, 0, $args ) );
}
/**
- * {@internal Missing Short Description}}
+ * Retrieve a list of the most popular terms from the specified taxonomy.
+ *
+ * If the $echo argument is true then the elements for a list of checkbox
+ * `` elements labelled with the names of the selected terms is output.
+ * If the $post_ID global isn't empty then the terms associated with that
+ * post will be marked as checked.
*
- * @since unknown
+ * @since 2.5.0
*
- * @param unknown_type $taxonomy
- * @param unknown_type $default
- * @param unknown_type $number
- * @param unknown_type $echo
- * @return unknown
+ * @param string $taxonomy Taxonomy to retrieve terms from.
+ * @param int $default Unused.
+ * @param int $number Number of terms to retrieve. Defaults to 10.
+ * @param bool $echo Optionally output the list as well. Defaults to true.
+ * @return array List of popular term IDs.
*/
function wp_popular_terms_checklist( $taxonomy, $default = 0, $number = 10, $echo = true ) {
- global $post_ID;
+ $post = get_post();
- if ( $post_ID )
- $checked_terms = wp_get_object_terms($post_ID, $taxonomy, array('fields'=>'ids'));
+ if ( $post && $post->ID )
+ $checked_terms = wp_get_object_terms($post->ID, $taxonomy, array('fields'=>'ids'));
else
$checked_terms = array();
$terms = get_terms( $taxonomy, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => $number, 'hierarchical' => false ) );
$tax = get_taxonomy($taxonomy);
- if ( ! current_user_can($tax->cap->assign_terms) )
- $disabled = 'disabled="disabled"';
- else
- $disabled = '';
$popular_ids = array();
foreach ( (array) $terms as $term ) {
@@ -340,8 +278,11 @@ function wp_popular_terms_checklist( $taxonomy, $default = 0, $number = 10, $ech
 ) . ')