# AC_Addon_MLA_ListScreen

Extends \AC_ListScreen_Media

Class Admin Columns Addon MLA (Media Library Assistant) List Screen supports the Admin Columns plugin

package | Media Library Assistant
since | 2.50

### Methods

## Initializes some properties, installs filters and then calls the parent constructor to set some default configs.

    __construct()

since | 2.50

## Return the column value

    column_default_value(string|null $content, \WP_Post $post, string $column_name) : string|false

### Arguments

#### $content

`string|null`

#### $post

`\WP_Post`

#### $column_name

`string`

### Response

`string|false`

## Default column headers

    get_column_headers() : array

since | 2.50

### Response

`array`

## Create and return a new MLA List Table object

    get_list_table(array $args = array()) : \WP_List_Table|false

### Arguments

#### $args

`array`

### Response

`\WP_List_Table|false`

## Return

    get_object_by_id(integer $post_id) : object

since | 2.52

### Arguments

#### $post_id

`integer`

### Response

`object`

attachment object

## Add inline editing columns to Media/Assistant submenu table

    inline_column_types(\AC_ListScreen $listscreen)

static

since | 2.52

### Arguments

#### $listscreen

`\AC_ListScreen`

## Test for current screen = the Media/Assistant submenu screen, For Admin Columns 2.4.9+

    is_current_screen(object $wp_screen) : boolean

since | 2.23

### Arguments

#### $wp_screen

`object`

### Response

`boolean`

true if the Media/Assistant submenu is the current screen

## Remove duplicate columns from the Admin Columns "Custom" section

    remove_column_types(\AC_ListScreen $listscreen)

static

since | 2.50

### Arguments

#### $listscreen

`\AC_ListScreen`

## Remove duplicate columns from the Admin Columns "Custom" section

    remove_custom_columns(array $keys, \AC_Settings_Column_CustomField $this_customfield)

static

since | 2.52

### Arguments

#### $keys

`array`

Distinct meta keys from DB

#### $this_customfield

`\AC_Settings_Column_CustomField`

## Contains the hook that contains the manage_value callback

    set_manage_value_callback()

since | 2.50