web/wp-admin/includes/list-table.php
changeset 194 32102edaa81b
child 204 09a1c134465b
equal deleted inserted replaced
193:2f6f6f7551ca 194:32102edaa81b
       
     1 <?php
       
     2 /**
       
     3  * Helper functions for displaying a list of items in an ajaxified HTML table.
       
     4  *
       
     5  * @package WordPress
       
     6  * @subpackage List_Table
       
     7  * @since 3.1.0
       
     8  */
       
     9 
       
    10 /**
       
    11  * Fetch an instance of a WP_List_Table class.
       
    12  *
       
    13  * @access private
       
    14  * @since 3.1.0
       
    15  *
       
    16  * @param string $class The type of the list table, which is the class name.
       
    17  * @return object|bool Object on success, false if the class does not exist.
       
    18  */
       
    19 function _get_list_table( $class ) {
       
    20 	$core_classes = array(
       
    21 		//Site Admin
       
    22 		'WP_Posts_List_Table' => 'posts',
       
    23 		'WP_Media_List_Table' => 'media',
       
    24 		'WP_Terms_List_Table' => 'terms',
       
    25 		'WP_Users_List_Table' => 'users',
       
    26 		'WP_Comments_List_Table' => 'comments',
       
    27 		'WP_Post_Comments_List_Table' => 'comments',
       
    28 		'WP_Links_List_Table' => 'links',
       
    29 		'WP_Plugin_Install_List_Table' => 'plugin-install',
       
    30 		'WP_Themes_List_Table' => 'themes',
       
    31 		'WP_Theme_Install_List_Table' => array( 'themes', 'theme-install' ),
       
    32 		'WP_Plugins_List_Table' => 'plugins',
       
    33 		// Network Admin
       
    34 		'WP_MS_Sites_List_Table' => 'ms-sites',
       
    35 		'WP_MS_Users_List_Table' => 'ms-users',
       
    36 		'WP_MS_Themes_List_Table' => 'ms-themes',
       
    37 	);
       
    38 
       
    39 	if ( isset( $core_classes[ $class ] ) ) {
       
    40 		foreach ( (array) $core_classes[ $class ] as $required )
       
    41 			require_once( ABSPATH . 'wp-admin/includes/class-wp-' . $required . '-list-table.php' );
       
    42 		return new $class;
       
    43 	}
       
    44 
       
    45 	return false;
       
    46 }
       
    47 
       
    48 /**
       
    49  * Register column headers for a particular screen.
       
    50  *
       
    51  * @since 2.7.0
       
    52  *
       
    53  * @param string $screen The handle for the screen to add help to. This is usually the hook name returned by the add_*_page() functions.
       
    54  * @param array $columns An array of columns with column IDs as the keys and translated column names as the values
       
    55  * @see get_column_headers(), print_column_headers(), get_hidden_columns()
       
    56  */
       
    57 function register_column_headers($screen, $columns) {
       
    58 	$wp_list_table = new _WP_List_Table_Compat($screen, $columns);
       
    59 }
       
    60 
       
    61 /**
       
    62  * Prints column headers for a particular screen.
       
    63  *
       
    64  * @since 2.7.0
       
    65  */
       
    66 function print_column_headers($screen, $id = true) {
       
    67 	$wp_list_table = new _WP_List_Table_Compat($screen);
       
    68 
       
    69 	$wp_list_table->print_column_headers($id);
       
    70 }
       
    71 
       
    72 /**
       
    73  * Helper class to be used only by back compat functions
       
    74  *
       
    75  * @since 3.1.0
       
    76  */
       
    77 class _WP_List_Table_Compat extends WP_List_Table {
       
    78 	var $_screen;
       
    79 	var $_columns;
       
    80 
       
    81 	function _WP_List_Table_Compat( $screen, $columns = array() ) {
       
    82 		if ( is_string( $screen ) )
       
    83 			$screen = convert_to_screen( $screen );
       
    84 
       
    85 		$this->_screen = $screen;
       
    86 
       
    87 		if ( !empty( $columns ) ) {
       
    88 			$this->_columns = $columns;
       
    89 			add_filter( 'manage_' . $screen->id . '_columns', array( &$this, 'get_columns' ), 0 );
       
    90 		}
       
    91 	}
       
    92 
       
    93 	function get_column_info() {
       
    94 		$columns = get_column_headers( $this->_screen );
       
    95 		$hidden = get_hidden_columns( $this->_screen );
       
    96 		$sortable = array();
       
    97 
       
    98 		return array( $columns, $hidden, $sortable );
       
    99 	}
       
   100 
       
   101 	function get_columns() {
       
   102 		return $this->_columns;
       
   103 	}
       
   104 }