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Allow easy registration of taxonomy columns on post (and custom post type) list table screens.

Browse Source 
To register a column for a list table, use the new manage_taxonomies_for_{$post_type}_columns
filter. Introduces show_admin_column => true for register_taxonomy(), which automatically
displays that column on all associated post types.

props jtsternberg, SergeyBiryukov for initial patches.
fixes #21240.



git-svn-id: http://core.svn.wordpress.org/trunk@21788 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2012-09-08 03:18:36 +00:00
parent 291063faee
commit 1af8c36086
2 changed files with 59 additions and 47 deletions
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104
wp-admin/includes/class-wp-posts-list-table.php
View File

@ -269,11 +269,24 @@ class WP_Posts_List_Table extends WP_List_Table {
if ( post_type_supports( $post_type, 'author' ) )
$posts_columns['author'] = __( 'Author' );
if ( empty( $post_type ) || is_object_in_taxonomy( $post_type, 'category' ) )
$posts_columns['categories'] = __( 'Categories' );
$taxonomies = array();
if ( empty( $post_type ) || is_object_in_taxonomy( $post_type, 'post_tag' ) )
$posts_columns['tags'] = __( 'Tags' );
$taxonomies = get_object_taxonomies( $post_type, 'objects' );
$taxonomies = wp_filter_object_list( $taxonomies, array( 'show_admin_column' => true ), 'and', 'name' );
$taxonomies = apply_filters( "manage_taxonomies_for_{$post_type}_columns", $taxonomies, $post_type );
$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
foreach ( $taxonomies as $taxonomy ) {
if ( 'category' == $taxonomy )
$column_key = 'categories';
elseif ( 'post_tag' == $taxonomy )
$column_key = 'tags';
else
$column_key = 'taxonomy-' . $taxonomy;
$posts_columns[ $column_key ] = get_taxonomy( $taxonomy )->labels->name;
}
$post_status = !empty( $_REQUEST['post_status'] ) ? $_REQUEST['post_status'] : 'all';
if ( post_type_supports( $post_type, 'comments' ) && !in_array( $post_status, array( 'pending', 'draft', 'future' ) ) )
@ -602,48 +615,6 @@ class WP_Posts_List_Table extends WP_List_Table {
echo '</td>';
break;
case 'categories':
?>
<td <?php echo $attributes ?>><?php
$categories = get_the_category();
if ( !empty( $categories ) ) {
$out = array();
foreach ( $categories as $c ) {
$out[] = sprintf( '<a href="%s">%s</a>',
esc_url( add_query_arg( array( 'post_type' => $post->post_type, 'category_name' => $c->slug ), 'edit.php' ) ),
esc_html( sanitize_term_field( 'name', $c->name, $c->term_id, 'category', 'display' ) )
);
}
/* translators: used between list items, there is a space after the comma */
echo join( __( ', ' ), $out );
} else {
_e( 'Uncategorized' );
}
?></td>
<?php
break;
case 'tags':
?>
<td <?php echo $attributes ?>><?php
$tags = get_the_tags( $post->ID );
if ( !empty( $tags ) ) {
$out = array();
foreach ( $tags as $c ) {
$out[] = sprintf( '<a href="%s">%s</a>',
esc_url( add_query_arg( array( 'post_type' => $post->post_type, 'tag' => $c->slug ), 'edit.php' ) ),
esc_html( sanitize_term_field( 'name', $c->name, $c->term_id, 'tag', 'display' ) )
);
}
/* translators: used between list items, there is a space after the comma */
echo join( __( ', ' ), $out );
} else {
_e( 'No Tags' );
}
?></td>
<?php
break;
case 'comments':
?>
<td <?php echo $attributes ?>><div class="post-com-count-wrapper">
@ -668,6 +639,45 @@ class WP_Posts_List_Table extends WP_List_Table {
break;
default:
if ( 'categories' == $column_name )
$taxonomy = 'category';
elseif ( 'tags' == $column_name )
$taxonomy = 'post_tag';
elseif ( 0 === strpos( $column_name, 'taxonomy-' ) )
$taxonomy = substr( $column_name, 9 );
if ( ! empty( $taxonomy ) ) {
$taxonomy_object = get_taxonomy( $taxonomy );
echo '<td ' . $attributes . '>';
if ( $terms = get_the_terms( $post->ID, $taxonomy ) ) {
$out = array();
foreach ( $terms as $t ) {
$posts_in_term_qv = array();
if ( 'post' != $post->post_type )
$posts_in_term_qv['post_type'] = $post->post_type;
if ( $taxonomy_object->query_var ) {
$posts_in_term_qv[ $taxonomy_object->query_var ] = $t->slug;
} else {
$posts_in_term_qv['taxonomy'] = $taxonomy;
$posts_in_term_qv['term'] = $t->slug;
}
$out[] = sprintf( '<a href="%s">%s</a>',
esc_url( add_query_arg( $posts_in_term_qv, 'edit.php' ) ),
esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) )
);
}
/* translators: used between list items, there is a space after the comma */
echo join( __( ', ' ), $out );
} else {
if ( 'category' == $taxonomy )
echo __( 'Uncategorized' );
else
echo '&#8212;';
}
echo '</td>';
break;
}
?>
<td <?php echo $attributes ?>><?php
if ( is_post_type_hierarchical( $post->post_type ) )
@ -678,8 +688,8 @@ class WP_Posts_List_Table extends WP_List_Table {
?></td>
<?php
break;
}
}
}
?>
</tr>
<?php

2
wp-includes/taxonomy.php
View File

@ -47,6 +47,7 @@ function create_initial_taxonomies() {
'rewrite' => $rewrite['category'],
'public' => true,
'show_ui' => true,
'show_admin_column' => true,
'_builtin' => true,
) );
@ -56,6 +57,7 @@ function create_initial_taxonomies() {
'rewrite' => $rewrite['post_tag'],
'public' => true,
'show_ui' => true,
'show_admin_column' => true,
'_builtin' => true,
) );