'tags',
'singular' => 'tag',
'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
) );
$action = $this->screen->action;
$post_type = $this->screen->post_type;
$taxonomy = $this->screen->taxonomy;
if ( empty( $taxonomy ) )
$taxonomy = 'post_tag';
if ( ! taxonomy_exists( $taxonomy ) )
wp_die( __( 'Invalid taxonomy' ) );
$tax = get_taxonomy( $taxonomy );
// @todo Still needed? Maybe just the show_ui part.
if ( empty( $post_type ) || !in_array( $post_type, get_post_types( array( 'show_ui' => true ) ) ) )
$post_type = 'post';
}
function ajax_user_can() {
return current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->manage_terms );
}
function prepare_items() {
$tags_per_page = $this->get_items_per_page( 'edit_' . $this->screen->taxonomy . '_per_page' );
if ( 'post_tag' == $this->screen->taxonomy ) {
/**
* Filter the number of terms displayed per page for the Tags list table.
*
* @since 2.8.0
*
* @param int $tags_per_page Number of tags to be displayed. Default 20.
*/
$tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page );
/**
* Filter the number of terms displayed per page for the Tags list table.
*
* @since 2.7.0
* @deprecated 2.8.0 Use edit_tags_per_page instead.
*
* @param int $tags_per_page Number of tags to be displayed. Default 20.
*/
$tags_per_page = apply_filters( 'tagsperpage', $tags_per_page );
} elseif ( 'category' == $this->screen->taxonomy ) {
/**
* Filter the number of terms displayed per page for the Categories list table.
*
* @since 2.8.0
*
* @param int $tags_per_page Number of categories to be displayed. Default 20.
*/
$tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page );
}
$search = !empty( $_REQUEST['s'] ) ? trim( wp_unslash( $_REQUEST['s'] ) ) : '';
$args = array(
'search' => $search,
'page' => $this->get_pagenum(),
'number' => $tags_per_page,
);
if ( !empty( $_REQUEST['orderby'] ) )
$args['orderby'] = trim( wp_unslash( $_REQUEST['orderby'] ) );
if ( !empty( $_REQUEST['order'] ) )
$args['order'] = trim( wp_unslash( $_REQUEST['order'] ) );
$this->callback_args = $args;
$this->set_pagination_args( array(
'total_items' => wp_count_terms( $this->screen->taxonomy, compact( 'search' ) ),
'per_page' => $tags_per_page,
) );
}
function has_items() {
// todo: populate $this->items in prepare_items()
return true;
}
function get_bulk_actions() {
$actions = array();
$actions['delete'] = __( 'Delete' );
return $actions;
}
function current_action() {
if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' == $_REQUEST['action'] || 'delete' == $_REQUEST['action2'] ) )
return 'bulk-delete';
return parent::current_action();
}
function get_columns() {
$columns = array(
'cb' => '',
'name' => _x( 'Name', 'term name' ),
'description' => __( 'Description' ),
'slug' => __( 'Slug' ),
);
if ( 'link_category' == $this->screen->taxonomy ) {
$columns['links'] = __( 'Links' );
} else {
$post_type_object = get_post_type_object( $this->screen->post_type );
$columns['posts'] = $post_type_object ? $post_type_object->labels->name : __( 'Posts' );
}
return $columns;
}
function get_sortable_columns() {
return array(
'name' => 'name',
'description' => 'description',
'slug' => 'slug',
'posts' => 'count',
'links' => 'count'
);
}
function display_rows_or_placeholder() {
$taxonomy = $this->screen->taxonomy;
$args = wp_parse_args( $this->callback_args, array(
'page' => 1,
'number' => 20,
'search' => '',
'hide_empty' => 0
) );
$page = $args['page'];
// set variable because $args['number'] can be subsequently overridden
$number = $args['number'];
$args['offset'] = $offset = ( $page - 1 ) * $number;
// convert it to table rows
$count = 0;
if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) {
// We'll need the full set of terms then.
$args['number'] = $args['offset'] = 0;
}
$terms = get_terms( $taxonomy, $args );
if ( empty( $terms ) ) {
echo '
';
$this->no_items();
echo ' |
';
return;
}
if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) {
if ( ! empty( $args['search'] ) ) {// Ignore children on searches.
$children = array();
} else {
$children = _get_term_hierarchy( $taxonomy );
}
// Some funky recursion to get the job done( Paging & parents mainly ) is contained within, Skip it for non-hierarchical taxonomies for performance sake
$this->_rows( $taxonomy, $terms, $children, $offset, $number, $count );
} else {
$terms = get_terms( $taxonomy, $args );
foreach ( $terms as $term ) {
$this->single_row( $term );
}
$count = $number; // Only displaying a single page.
}
}
function _rows( $taxonomy, $terms, &$children, $start, $per_page, &$count, $parent = 0, $level = 0 ) {
$end = $start + $per_page;
foreach ( $terms as $key => $term ) {
if ( $count >= $end )
break;
if ( $term->parent != $parent && empty( $_REQUEST['s'] ) )
continue;
// If the page starts in a subtree, print the parents.
if ( $count == $start && $term->parent > 0 && empty( $_REQUEST['s'] ) ) {
$my_parents = $parent_ids = array();
$p = $term->parent;
while ( $p ) {
$my_parent = get_term( $p, $taxonomy );
$my_parents[] = $my_parent;
$p = $my_parent->parent;
if ( in_array( $p, $parent_ids ) ) // Prevent parent loops.
break;
$parent_ids[] = $p;
}
unset( $parent_ids );
$num_parents = count( $my_parents );
while ( $my_parent = array_pop( $my_parents ) ) {
echo "\t";
$this->single_row( $my_parent, $level - $num_parents );
$num_parents--;
}
}
if ( $count >= $start ) {
echo "\t";
$this->single_row( $term, $level );
}
++$count;
unset( $terms[$key] );
if ( isset( $children[$term->term_id] ) && empty( $_REQUEST['s'] ) )
$this->_rows( $taxonomy, $terms, $children, $start, $per_page, $count, $term->term_id, $level + 1 );
}
}
function single_row( $tag, $level = 0 ) {
global $taxonomy;
$tag = sanitize_term( $tag, $taxonomy );
static $row_class = '';
$row_class = ( $row_class == '' ? ' class="alternate"' : '' );
$this->level = $level;
echo '';
$this->single_row_columns( $tag );
echo '
';
}
function column_cb( $tag ) {
$default_term = get_option( 'default_' . $this->screen->taxonomy );
if ( current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->delete_terms ) && $tag->term_id != $default_term )
return ''
. '';
return ' ';
}
function column_name( $tag ) {
$taxonomy = $this->screen->taxonomy;
$tax = get_taxonomy( $taxonomy );
$default_term = get_option( 'default_' . $taxonomy );
$pad = str_repeat( '— ', max( 0, $this->level ) );
/**
* Filter display of the term name in the terms list table.
*
* The default output may include padding due to the term's
* current level in the term hierarchy.
*
* @since 2.5.0
*
* @see WP_Terms_List_Table::column_name()
*
* @param string $pad_tag_name The term name, padded if not top-level.
* @param object $tag Term object.
*/
$name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag );
$qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' );
$edit_link = esc_url( get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type ) );
$out = '' . $name . '
';
$actions = array();
if ( current_user_can( $tax->cap->edit_terms ) ) {
$actions['edit'] = '' . __( 'Edit' ) . '';
$actions['inline hide-if-no-js'] = '' . __( 'Quick Edit' ) . '';
}
if ( current_user_can( $tax->cap->delete_terms ) && $tag->term_id != $default_term )
$actions['delete'] = "term_id ) . "'>" . __( 'Delete' ) . "";
if ( $tax->public )
$actions['view'] = '' . __( 'View' ) . '';
/**
* Filter the action links displayed for each term in the Tags list table.
*
* @since 2.8.0
* @deprecated 3.0.0 Use {$taxonomy}_row_actions instead.
*
* @param array $actions An array of action links to be displayed. Default
* 'Edit', 'Quick Edit', 'Delete', and 'View'.
* @param object $tag Term object.
*/
$actions = apply_filters( 'tag_row_actions', $actions, $tag );
/**
* Filter the action links displayed for each term in the terms list table.
*
* The dynamic portion of the hook name, $taxonomy, refers to the taxonomy slug.
*
* @since 3.0.0
*
* @param array $actions An array of action links to be displayed. Default
* 'Edit', 'Quick Edit', 'Delete', and 'View'.
* @param object $tag Term object.
*/
$actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag );
$out .= $this->row_actions( $actions );
$out .= '';
$out .= '
' . $qe_data->name . '
';
/** This filter is documented in wp-admin/edit-tag-form.php */
$out .= '
' . apply_filters( 'editable_slug', $qe_data->slug ) . '
';
$out .= '
' . $qe_data->parent . '
';
return $out;
}
function column_description( $tag ) {
return $tag->description;
}
function column_slug( $tag ) {
/** This filter is documented in wp-admin/edit-tag-form.php */
return apply_filters( 'editable_slug', $tag->slug );
}
function column_posts( $tag ) {
$count = number_format_i18n( $tag->count );
$tax = get_taxonomy( $this->screen->taxonomy );
$ptype_object = get_post_type_object( $this->screen->post_type );
if ( ! $ptype_object->show_ui )
return $count;
if ( $tax->query_var ) {
$args = array( $tax->query_var => $tag->slug );
} else {
$args = array( 'taxonomy' => $tax->name, 'term' => $tag->slug );
}
if ( 'post' != $this->screen->post_type )
$args['post_type'] = $this->screen->post_type;
if ( 'attachment' == $this->screen->post_type )
return "$count";
return "$count";
}
function column_links( $tag ) {
$count = number_format_i18n( $tag->count );
if ( $count )
$count = "$count";
return $count;
}
function column_default( $tag, $column_name ) {
/**
* Filter the displayed columns in the terms list table.
*
* The dynamic portion of the hook name, $this->screen->taxonomy,
* refers to the slug of the current taxonomy.
*
* @since 2.8.0
*
* @param string $string Blank string.
* @param string $column_name Name of the column.
* @param int $term_id Term ID.
*/
return apply_filters( "manage_{$this->screen->taxonomy}_custom_column", '', $column_name, $tag->term_id );
}
/**
* Outputs the hidden row displayed when inline editing
*
* @since 3.1.0
*/
function inline_edit() {
$tax = get_taxonomy( $this->screen->taxonomy );
if ( ! current_user_can( $tax->cap->edit_terms ) )
return;
?>