Classe de base utilisée pour mettre en œuvre l'affichage des termes dans un tableau de liste.

Description

Voir aussi

  • WP_List_Table

Source

Fichier : wp-admin/includes/class-wp-terms-list-table.php

class WP_Terms_List_Table extends WP_List_Table {

	public $callback_args;

	private $level;

	/**
	 * Constructor.
	 *
	 * @since 3.1.0
	 *
	 * @see WP_List_Table::__construct() for more information on default arguments.
	 *
	 * @global string $post_type
	 * @global string $taxonomy
	 * @global string $action
	 * @global object $tax
	 *
	 * @param array $args An associative array of arguments.
	 */
	public function __construct( $args = array() ) {
		global $post_type, $taxonomy, $action, $tax;

		parent::__construct(
			array(
				'plural'   => '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 ) ), true ) ) {
			$post_type = 'post';
		}

	}

	/**
	 * @return bool
	 */
	public function ajax_user_can() {
		return current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->manage_terms );
	}

	/**
	 */
	public function prepare_items() {
		$tags_per_page = $this->get_items_per_page( 'edit_' . $this->screen->taxonomy . '_per_page' );

		if ( 'post_tag' === $this->screen->taxonomy ) {
			/**
			 * Filters 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 );

			/**
			 * Filters the number of terms displayed per page for the Tags list table.
			 *
			 * @since 2.7.0
			 * @deprecated 2.8.0 Use {@see 'edit_tags_per_page'} instead.
			 *
			 * @param int $tags_per_page Number of tags to be displayed. Default 20.
			 */
			$tags_per_page = apply_filters_deprecated( 'tagsperpage', array( $tags_per_page ), '2.8.0', 'edit_tags_per_page' );
		} elseif ( 'category' === $this->screen->taxonomy ) {
			/**
			 * Filters 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(
					array(
						'taxonomy' => $this->screen->taxonomy,
						'search'   => $search,
					)
				),
				'per_page'    => $tags_per_page,
			)
		);
	}

	/**
	 * @return bool
	 */
	public function has_items() {
		// @todo Populate $this->items in prepare_items().
		return true;
	}

	/**
	 */
	public function no_items() {
		echo get_taxonomy( $this->screen->taxonomy )->labels->not_found;
	}

	/**
	 * @return array
	 */
	protected function get_bulk_actions() {
		$actions = array();

		if ( current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->delete_terms ) ) {
			$actions['delete'] = __( 'Delete' );
		}

		return $actions;
	}

	/**
	 * @return string
	 */
	public function current_action() {
		if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && 'delete' === $_REQUEST['action'] ) {
			return 'bulk-delete';
		}

		return parent::current_action();
	}

	/**
	 * @return array
	 */
	public function get_columns() {
		$columns = array(
			'cb'          => '<inputtype="checkbox"/>',
			'name'        => _x( 'Name', 'term name' ),
			'description' => __( 'Description' ),
			'slug'        => __( 'Slug' ),
		);

		if ( 'link_category' === $this->screen->taxonomy ) {
			$columns['links'] = __( 'Links' );
		} else {
			$columns['posts'] = _x( 'Count', 'Number/count of items' );
		}

		return $columns;
	}

	/**
	 * @return array
	 */
	protected function get_sortable_columns() {
		return array(
			'name'        => 'name',
			'description' => 'description',
			'slug'        => 'slug',
			'posts'       => 'count',
			'links'       => 'count',
		);
	}

	/**
	 */
	public function display_rows_or_placeholder() {
		$taxonomy = $this->screen->taxonomy;

		$args = wp_parse_args(
			$this->callback_args,
			array(
				'taxonomy'   => $taxonomy,
				'page'       => 1,
				'number'     => 20,
				'search'     => '',
				'hide_empty' => 0,
			)
		);

		$page = $args['page'];

		// Set variable because $args['number'] can be subsequently overridden.
		$number = $args['number'];

		$offset         = ( $page - 1 ) * $number;
		$args['offset'] = $offset;

		// 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'] = 0;
			$args['offset'] = $args['number'];
		}

		$terms = get_terms( $args );

		if ( empty( $terms ) || ! is_array( $terms ) ) {
			echo '<trclass="no-items"><tdclass="colspanchange"colspan="' . $this->get_column_count() . '">';
			$this->no_items();
			echo 'td>tr>';
			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 {
			foreach ( $terms as $term ) {
				$this->single_row( $term );
			}
		}
	}

	/**
	 * @param string $taxonomy
	 * @param array  $terms
	 * @param array  $children
	 * @param int    $start
	 * @param int    $per_page
	 * @param int    $count
	 * @param int    $parent
	 * @param int    $level
	 */
	private 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 = array();
				$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, true ) ) { // 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 );
			}
		}
	}

	/**
	 * @global string $taxonomy
	 * @param WP_Term $tag   Term object.
	 * @param int     $level
	 */
	public function single_row( $tag, $level = 0 ) {
		global $taxonomy;
		$tag = sanitize_term( $tag, $taxonomy );

		$this->level = $level;

		if ( $tag->parent ) {
			$count = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) );
			$level = 'level-' . $count;
		} else {
			$level = 'level-0';
		}

		echo '<trid="tag-' . $tag->term_id . '"class="' . $level . '">';
		$this->single_row_columns( $tag );
		echo 'tr>';
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public function column_cb( $tag ) {
		if ( current_user_can( 'delete_term', $tag->term_id ) ) {
			return sprintf(
				'<labelclass="screen-reader-text"for="cb-select-%1$s">%2$slabel>' .
				'<inputtype="checkbox"name="delete_tags[]"value="%1$s"id="cb-select-%1$s"/>',
				$tag->term_id,
				/* translators: %s: Taxonomy term name. */
				sprintf( __( 'Select %s' ), $tag->name )
			);
		}

		return ' ';
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public function column_name( $tag ) {
		$taxonomy = $this->screen->taxonomy;

		$pad = str_repeat( ' ', max( 0, $this->level ) );

		/**
		 * Filters 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 WP_Term $tag         Term object.
		 */
		$name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag );

		$qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' );

		$uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];

		$edit_link = get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type );

		if ( $edit_link ) {
			$edit_link = add_query_arg(
				'wp_http_referer',
				urlencode( wp_unslash( $uri ) ),
				$edit_link
			);
			$name      = sprintf(
				'<aclass="row-title"href="%s"aria-label="%s">%sa>',
				esc_url( $edit_link ),
				/* translators: %s: Taxonomy term name. */
				esc_attr( sprintf( __( '%s (Edit)' ), $tag->name ) ),
				$name
			);
		}

		$out = sprintf(
			'<strong>%sstrong><br/>',
			$name
		);

		$out .= '<divclass="hidden"id="inline_' . $qe_data->term_id . '">';
		$out .= '<divclass="name">' . $qe_data->name . 'div>';

		/** This filter is documented in wp-admin/edit-tag-form.php */
		$out .= '<divclass="slug">' . apply_filters( 'editable_slug', $qe_data->slug, $qe_data ) . 'div>';
		$out .= '<divclass="parent">' . $qe_data->parent . 'div>div>';

		return $out;
	}

	/**
	 * Gets the name of the default primary column.
	 *
	 * @since 4.3.0
	 *
	 * @return string Name of the default primary column, in this case, 'name'.
	 */
	protected function get_default_primary_column_name() {
		return 'name';
	}

	/**
	 * Generates and displays row action links.
	 *
	 * @since 4.3.0
	 *
	 * @param WP_Term $tag         Tag being acted upon.
	 * @param string  $column_name Current column name.
	 * @param string  $primary     Primary column name.
	 * @return string Row actions output for terms, or an empty string
	 *                if the current column is not the primary column.
	 */
	protected function handle_row_actions( $tag, $column_name, $primary ) {
		if ( $primary !== $column_name ) {
			return '';
		}

		$taxonomy = $this->screen->taxonomy;
		$tax      = get_taxonomy( $taxonomy );
		$uri      = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];

		$edit_link = add_query_arg(
			'wp_http_referer',
			urlencode( wp_unslash( $uri ) ),
			get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type )
		);

		$actions = array();
		if ( current_user_can( 'edit_term', $tag->term_id ) ) {
			$actions['edit'] = sprintf(
				'<ahref="%s"aria-label="%s">%sa>',
				esc_url( $edit_link ),
				/* translators: %s: Taxonomy term name. */
				esc_attr( sprintf( __( 'Edit %s' ), $tag->name ) ),
				__( 'Edit' )
			);
			$actions['inline hide-if-no-js'] = sprintf(
				'<buttontype="button"class="button-link editinline"aria-label="%s"aria-expanded="false">%sbutton>',
				/* translators: %s: Taxonomy term name. */
				esc_attr( sprintf( __( 'Quick edit %s inline' ), $tag->name ) ),
				__( 'Quick Edit' )
			);
		}
		if ( current_user_can( 'delete_term', $tag->term_id ) ) {
			$actions['delete'] = sprintf(
				'<ahref="%s"class="delete-tag aria-button-if-js"aria-label="%s">%sa>',
				wp_nonce_url( "edit-tags.php?action=delete&taxonomy=$taxonomy&tag_ID=$tag->term_id", 'delete-tag_' . $tag->term_id ),
				/* translators: %s: Taxonomy term name. */
				esc_attr( sprintf( __( 'Delete %s' ), $tag->name ) ),
				__( 'Delete' )
			);
		}
		if ( is_taxonomy_viewable( $tax ) ) {
			$actions['view'] = sprintf(
				'<ahref="%s"aria-label="%s">%sa>',
				get_term_link( $tag ),
				/* translators: %s: Taxonomy term name. */
				esc_attr( sprintf( __( 'View %s archive' ), $tag->name ) ),
				__( 'View' )
			);
		}

		/**
		 * Filters the action links displayed for each term in the Tags list table.
		 *
		 * @since 2.8.0
		 * @since 3.0.0 Deprecated in favor of {@see '{$taxonomy}_row_actions'} filter.
		 * @since 5.4.2 Restored (un-deprecated).
		 *
		 * @param string[] $actions An array of action links to be displayed. Default
		 *                          'Edit', 'Quick Edit', 'Delete', and 'View'.
		 * @param WP_Term  $tag     Term object.
		 */
		$actions = apply_filters( 'tag_row_actions', $actions, $tag );

		/**
		 * Filters 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 string[] $actions An array of action links to be displayed. Default
		 *                          'Edit', 'Quick Edit', 'Delete', and 'View'.
		 * @param WP_Term  $tag     Term object.
		 */
		$actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag );

		return $this->row_actions( $actions );
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public function column_description( $tag ) {
		if ( $tag->description ) {
			return $tag->description;
		} else {
			return '<spanaria-hidden="true">span><spanclass="screen-reader-text">' . __( 'No description' ) . 'span>';
		}
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public function column_slug( $tag ) {
		/** This filter is documented in wp-admin/edit-tag-form.php */
		return apply_filters( 'editable_slug', $tag->slug, $tag );
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public 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 "<ahref='" . esc_url( add_query_arg( $args, 'upload.php'))"'>$counta>";
		}

		return "<ahref='" . esc_url( add_query_arg( $args, 'edit.php'))"'>$counta>";
	}

	/**
	 * @param WP_Term $tag Term object.
	 * @return string
	 */
	public function column_links( $tag ) {
		$count = number_format_i18n( $tag->count );
		if ( $count ) {
			$count = "<ahref='link-manager.php?cat_id=$tag->term_id'>$counta>";
		}
		return $count;
	}

	/**
	 * @param WP_Term $tag         Term object.
	 * @param string  $column_name Name of the column.
	 * @return string
	 */
	public function column_default( $tag, $column_name ) {
		/**
		 * Filters the displayed columns in the terms list table.
		 *
		 * The dynamic portion of the hook name, `$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
	 */
	public function inline_edit() {
		$tax = get_taxonomy( $this->screen->taxonomy );

		if ( ! current_user_can( $tax->cap->edit_terms ) ) {
			return;
		}
		?>

		<formmethod="get"><tablestyle="display: none"><tbodyid="inlineedit"><trid="inline-edit"class="inline-edit-row"style="display: none"><tdcolspan="echo$this->get_column_count();?>"class="colspanchange"><fieldset><legendclass="inline-edit-legend">_e('Quick Edit');?>legend><divclass="inline-edit-col"><label><spanclass="title">_ex('Name','term name');?>span><spanclass="input-text-wrap"><inputtype="text"name="name"class="ptitle"value=""/>span>label>if(!global_terms_enabled()):?><label><spanclass="title">_e('Slug');?>span><spanclass="input-text-wrap"><inputtype="text"name="slug"class="ptitle"value=""/>span>label>endif;?>div>fieldset>$core_columns=array('cb'=>true,'description'=>true,'name'=>true,'slug'=>true,'posts'=>true,);list($columns)=$this->get_column_info();foreach($columnsas$column_name=>$column_display_name){if(isset($core_columns[$column_name])){continue;}/** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */do_action('quick_edit_custom_box',$column_name,'edit-tags',$this->screen->taxonomy);}?><divclass="inline-edit-save submit"><buttontype="button"class="cancel button alignleft">_e('Cancel');?>button><buttontype="button"class="save button button-primary alignright">echo$tax->labels->update_item;?>button><spanclass="spinner">span>wp_nonce_field('taxinlineeditnonce','_inline_edit',false);?><inputtype="hidden"name="taxonomy"value="echoesc_attr($this->screen->taxonomy);?>"/><inputtype="hidden"name="post_type"value="echoesc_attr($this->screen->post_type);?>"/><brclass="clear"/><divclass="notice notice-error notice-alt inline hidden"><pclass="error">p>div>div>td>tr>tbody>table>form>}}

Related

Utilise

Utilisations Description
wp-admin/includes/class-wp-list-table.php : WP_List_Table

Classe de base pour l'affichage d'une liste d'éléments dans un tableau HTML ajaxifié.

Méthodes

  • __construct - Constructeur.
  • _rows
  • ajax_user_can
  • column_cb
  • column_default
  • column_description
  • liens_colonne
  • nom_colonne
  • colonne_posts
  • colonne_slug
  • action_courante
  • afficher_lignes_ou_placeholder
  • get_bulk_actions
  • get_columns
  • get_default_primary_column_name - Obtient le nom de la colonne primaire par défaut.
  • get_sortable_columns
  • handle_row_actions - Génère et affiche les liens d'action de ligne.
  • has_items
  • inline_edit - Produit la rangée cachée affichée lors de l'édition en ligne.
  • no_items
  • prepare_items
  • single_row

Changelog

Version Description
3.1.0 Introduit.