WordPress/wp-admin/includes/class-wp-terms-list-table.php

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<?php
/**
* Terms List Table class.
*
* @package WordPress
* @subpackage List_Table
* @since 3.1.0
*/
class WP_Terms_List_Table extends WP_List_Table {
var $callback_args;
function WP_Terms_List_Table() {
global $post_type, $taxonomy, $tax;
wp_reset_vars( array( 'action', 'taxonomy', 'post_type' ) );
if ( empty( $taxonomy ) )
$taxonomy = 'post_tag';
if ( !taxonomy_exists( $taxonomy ) )
wp_die( __( 'Invalid taxonomy' ) );
$tax = get_taxonomy( $taxonomy );
if ( empty( $post_type ) || !in_array( $post_type, get_post_types( array( 'public' => true ) ) ) )
$post_type = 'post';
parent::WP_List_Table( array(
'plural' => 'tags',
'singular' => 'tag',
) );
}
function ajax_user_can() {
global $tax;
return current_user_can( $tax->cap->manage_terms );
}
function prepare_items() {
global $taxonomy;
$tags_per_page = $this->get_items_per_page( 'edit_' . $taxonomy . '_per_page' );
if ( 'post_tag' == $taxonomy ) {
$tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page );
$tags_per_page = apply_filters( 'tagsperpage', $tags_per_page ); // Old filter
} elseif ( 'category' == $taxonomy ) {
$tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page ); // Old filter
}
$search = !empty( $_REQUEST['s'] ) ? trim( stripslashes( $_REQUEST['s'] ) ) : '';
$args = array(
'search' => $search,
'page' => $this->get_pagenum(),
'number' => $tags_per_page,
);
if ( !empty( $_REQUEST['orderby'] ) )
$args['orderby'] = trim( stripslashes( $_REQUEST['orderby'] ) );
if ( !empty( $_REQUEST['order'] ) )
$args['order'] = trim( stripslashes( $_REQUEST['order'] ) );
$this->callback_args = $args;
$this->set_pagination_args( array(
'total_items' => wp_count_terms( $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() {
global $taxonomy, $typenow;
$columns = array(
'cb' => '<input type="checkbox" />',
'name' => __( 'Name' ),
'description' => __( 'Description' ),
'slug' => __( 'Slug' ),
);
if ( 'link_category' == $taxonomy ) {
$columns['links'] = __( 'Links' );
} else {
$post_type = empty( $typenow ) ? 'post' : $typenow;
$post_type_object = get_post_type_object( $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() {
global $taxonomy;
$args = wp_parse_args( $this->callback_args, array(
'page' => 1,
'number' => 20,
'search' => '',
'hide_empty' => 0
) );
extract( $args, EXTR_SKIP );
$args['offset'] = $offset = ( $page - 1 ) * $number;
// convert it to table rows
$out = '';
$count = 0;
$terms = array();
if ( is_taxonomy_hierarchical( $taxonomy ) && !isset( $orderby ) ) {
// We'll need the full set of terms then.
$args['number'] = $args['offset'] = 0;
$terms = get_terms( $taxonomy, $args );
if ( !empty( $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
$out .= $this->_rows( $taxonomy, $terms, $children, $offset, $number, $count );
} else {
$terms = get_terms( $taxonomy, $args );
foreach ( $terms as $term )
$out .= $this->single_row( $term, 0, $taxonomy );
$count = $number; // Only displaying a single page.
}
if ( empty( $terms ) ) {
echo '<tr class="no-items"><td colspan="2">';
$this->no_items();
echo '</td></tr>';
} else {
echo $out;
}
}
function _rows( $taxonomy, $terms, &$children, $start = 0, $per_page = 20, &$count, $parent = 0, $level = 0 ) {
$end = $start + $per_page;
$output = '';
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 ) ) {
$output .= "\t" . $this->single_row( $my_parent, $level - $num_parents, $taxonomy );
$num_parents--;
}
}
if ( $count >= $start )
$output .= "\t" . $this->single_row( $term, $level, $taxonomy );
++$count;
unset( $terms[$key] );
if ( isset( $children[$term->term_id] ) && empty( $_REQUEST['s'] ) )
$output .= $this->_rows( $taxonomy, $terms, $children, $start, $per_page, $count, $term->term_id, $level + 1 );
}
return $output;
}
function single_row( $tag, $level = 0 ) {
static $row_class = '';
$row_class = ( $row_class == '' ? ' class="alternate"' : '' );
$this->level = $level;
echo '<tr id="tag-' . $tag->term_id . '"' . $row_class . '>';
echo $this->single_row_columns( $tag );
echo '</tr>';
}
function column_cb( $tag ) {
global $taxonomy, $tax;
$default_term = get_option( 'default_' . $taxonomy );
if ( current_user_can( $tax->cap->delete_terms ) && $tag->term_id != $default_term )
return '<input type="checkbox" name="delete_tags[]" value="' . $tag->term_id . '" />';
else
return '&nbsp;';
}
function column_name( $tag ) {
global $taxonomy, $tax, $post_type;
$default_term = get_option( 'default_' . $taxonomy );
$pad = str_repeat( '&#8212; ', max( 0, $this->level ) );
$name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag );
$qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' );
$edit_link = get_edit_term_link( $tag->term_id, $taxonomy, $post_type );
$out = '<strong><a class="row-title" href="' . $edit_link . '" title="' . esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $name ) ) . '">' . $name . '</a></strong><br />';
$actions = array();
if ( current_user_can( $tax->cap->edit_terms ) ) {
$actions['edit'] = '<a href="' . $edit_link . '">' . __( 'Edit' ) . '</a>';
$actions['inline hide-if-no-js'] = '<a href="#" class="editinline">' . __( 'Quick&nbsp;Edit' ) . '</a>';
}
if ( current_user_can( $tax->cap->delete_terms ) && $tag->term_id != $default_term )
$actions['delete'] = "<a class='delete-tag' href='" . wp_nonce_url( "edit-tags.php?action=delete&amp;taxonomy=$taxonomy&amp;tag_ID=$tag->term_id", 'delete-tag_' . $tag->term_id ) . "'>" . __( 'Delete' ) . "</a>";
$actions = apply_filters( 'tag_row_actions', $actions, $tag );
$actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag );
$out .= $this->row_actions( $actions );
$out .= '<div class="hidden" id="inline_' . $qe_data->term_id . '">';
$out .= '<div class="name">' . $qe_data->name . '</div>';
$out .= '<div class="slug">' . apply_filters( 'editable_slug', $qe_data->slug ) . '</div>';
$out .= '<div class="parent">' . $qe_data->parent . '</div></div></td>';
return $out;
}
function column_description( $tag ) {
return $tag->description;
}
function column_slug( $tag ) {
return apply_filters( 'editable_slug', $tag->slug );
}
function column_posts( $tag ) {
global $taxonomy, $post_type;
$count = number_format_i18n( $tag->count );
$tax = get_taxonomy( $taxonomy );
if ( ! $tax->public )
return $count;
if ( $tax->query_var ) {
$args = array( $tax->query_var => $tag->slug );
} else {
$args = array( 'taxonomy' => $tax->name, 'term' => $tag->slug );
}
$args['post_type'] = $post_type;
return "<a href='" . add_query_arg( $args, 'edit.php' ) . "'>$count</a>";
}
function column_links( $tag ) {
$count = number_format_i18n( $tag->count );
if ( $count )
$count = "<a href='link-manager.php?cat_id=$tag->term_id'>$count</a>";
return $count;
}
function column_default( $tag, $column_name ) {
$screen = get_current_screen();
return apply_filters( "manage_{$screen->taxonomy}_custom_column", '', $column_name, $tag->term_id );
}
/**
* Outputs the hidden row displayed when inline editing
*
* @since 3.1.0
*/
function inline_edit() {
global $tax;
if ( ! current_user_can( $tax->cap->edit_terms ) )
return;
?>
<form method="get" action=""><table style="display: none"><tbody id="inlineedit">
<tr id="inline-edit" class="inline-edit-row" style="display: none"><td colspan="<?php echo $this->get_column_count(); ?>" class="colspanchange">
<fieldset><div class="inline-edit-col">
<h4><?php _e( 'Quick Edit' ); ?></h4>
<label>
<span class="title"><?php _e( 'Name' ); ?></span>
<span class="input-text-wrap"><input type="text" name="name" class="ptitle" value="" /></span>
</label>
<?php if ( !global_terms_enabled() ) { ?>
<label>
<span class="title"><?php _e( 'Slug' ); ?></span>
<span class="input-text-wrap"><input type="text" name="slug" class="ptitle" value="" /></span>
</label>
<?php } ?>
</div></fieldset>
<?php
$core_columns = array( 'cb' => true, 'description' => true, 'name' => true, 'slug' => true, 'posts' => true );
list( $columns ) = $this->get_column_info();
foreach ( $columns as $column_name => $column_display_name ) {
if ( isset( $core_columns[$column_name] ) )
continue;
do_action( 'quick_edit_custom_box', $column_name, 'edit-tags', $tax->name );
}
?>
<p class="inline-edit-save submit">
<a accesskey="c" href="#inline-edit" title="<?php _e( 'Cancel' ); ?>" class="cancel button-secondary alignleft"><?php _e( 'Cancel' ); ?></a>
<?php $update_text = $tax->labels->update_item; ?>
<a accesskey="s" href="#inline-edit" title="<?php echo esc_attr( $update_text ); ?>" class="save button-primary alignright"><?php echo $update_text; ?></a>
<img class="waiting" style="display:none;" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
<span class="error" style="display:none;"></span>
<?php wp_nonce_field( 'taxinlineeditnonce', '_inline_edit', false ); ?>
<input type="hidden" name="taxonomy" value="<?php echo esc_attr( $tax->name ); ?>" />
<br class="clear" />
</p>
</td></tr>
</tbody></table></form>
<?php
}
}
?>