TYPO3 13.4 API: AbstractTreeView

AbstractTreeView

AbstractYes

Base class for creating a browsable array/page/folder tree in HTML

Internal

This class is a TYPO3 Backend implementation and is not considered part of the Public TYPO3 API.

Properties

$buffer_idH : array<string|int, mixed>
$ids : array<string|int, mixed>
$ids_hierarchy : array<string|int, mixed>
$makeHTML : int: If 1, HTML code is also accumulated in ->tree array during rendering of the tree
$orderByFields : string: Field for ORDER BY. Is set by function init.
$orig_ids_hierarchy : array<string|int, mixed>
$tree : array<string|int, mixed>
$clause : string: WHERE clause used for selecting records for the tree. Is set by function init.
$defaultList : string: List of other fields which are ALLOWED to set (here, based on the "pages" table!)
$fieldArray : array<string|int, mixed>: Default set of fields selected from the tree table.
$parentField : string: Defines the field of $table which is the parent id field (like pid for table pages).
$table : string: Database table to get the tree data from.

Methods

__construct() : mixed: Constructor
addField() : mixed: Adds a fieldname to the internal array ->fieldArray
expandNext() : bool: Returns TRUE/FALSE if the next level for $id should be expanded - based on data in $this->stored[][] and ->expandAll flag.
getTree() : int: Fetches the data for the tree
init() : mixed: Initialize the tree class. Needs to be overwritten
reset() : mixed: Resets the tree, recs, ids, ids_hierarchy and orig_ids_hierarchy internal variables. Use it if you need it.
getBackendUser() : BackendUserAuthentication
getCount() : int: Returns the number of records having the parent id, $uid
getDataInit() : mixed: Getting the tree data: Selecting/Initializing data pointer to items for a certain parent id.
getDataNext() : array<string|int, mixed>|bool: Getting the tree data: next entry
getIcon() : string: Get the icon markup for the row
getLanguageService() : LanguageService
getTitleAttrib() : string: Returns the value for the image "title" attribute
getTitleStr() : string: Returns the title for the input record. If blank, a "no title" label (localized) will be returned.
PM_ATagWrap() : string: Wrap the plus/minus icon in a link
PMicon() : string: Generate the plus/minus icon for the browsable tree.

$buffer_idH


        public
            array<string|int, mixed>
    $buffer_idH
     = []

$ids


        public
            array<string|int, mixed>
    $ids
     = []

$ids_hierarchy


        public
            array<string|int, mixed>
    $ids_hierarchy
     = []

$makeHTML

If 1, HTML code is also accumulated in ->tree array during rendering of the tree


        public
            int
    $makeHTML
     = 1

$orderByFields

Field for ORDER BY. Is set by function init.


        public
            string
    $orderByFields
     = ''

$orig_ids_hierarchy


        public
            array<string|int, mixed>
    $orig_ids_hierarchy
     = []

$tree


        public
            array<string|int, mixed>
    $tree
     = []

$clause

WHERE clause used for selecting records for the tree. Is set by function init.


        protected
            string
    $clause
     = ''

$defaultList

List of other fields which are ALLOWED to set (here, based on the "pages" table!)


        protected
            string
    $defaultList
     = 'uid,pid,tstamp,sorting,deleted,perms_userid,perms_groupid,perms_user,perms_group,perms_everybody,crdate'

$fieldArray

Default set of fields selected from the tree table.


        protected
            array<string|int, mixed>
    $fieldArray
     = ['uid', 'pid', 'title', 'is_siteroot', 'doktype', 'nav_title', 'mount_pid', 'php_tree_stop', 't3ver_state', 'hidden', 'starttime', 'endtime', 'fe_group', 'module', 'extendToSubpages', 'nav_hide', 't3ver_wsid']

Make SURE that these fields names listed herein are actually possible to select from $this->table (if that variable is set to a TCA table name)

$parentField

Defines the field of $table which is the parent id field (like pid for table pages).


        protected
            string
    $parentField
     = 'pid'

$table

Database table to get the tree data from.


        protected
            string
    $table
     = 'pages'

Leave blank if data comes from an array.

__construct()

Constructor


    public
                    __construct() : mixed

addField()

Adds a fieldname to the internal array ->fieldArray


    public
                    addField(string $field[, bool $noCheck = false ]) : mixed

Parameters

$field : string: Field name to
$noCheck : bool = false: If set, the fieldname will be set no matter what. Otherwise the field name must either be found as key in $GLOBALS['TCA'][$table]['columns'] or in the list ->defaultList

expandNext()

Returns TRUE/FALSE if the next level for $id should be expanded - based on data in $this->stored[][] and ->expandAll flag.


    public
                    expandNext(int $id) : bool

Used in subclasses

Parameters

$id : int: Record id/key

Internal

Return values

bool

getTree()

Fetches the data for the tree


    public
                    getTree(int $uid[, int $depth = 999 ][, string $depthData = '' ]) : int

Parameters

$uid : int: item id for which to select subitems (parent id)
$depth : int = 999: Max depth (recursivity limit)
$depthData : string = '': HTML-code prefix for recursive calls.

Return values

int —

The count of items on the level

init()

Initialize the tree class. Needs to be overwritten


    public
                    init([string $clause = '' ][, string $orderByFields = '' ]) : mixed

Parameters

$clause : string = '': Record WHERE clause
$orderByFields : string = '': Record ORDER BY field

reset()

Resets the tree, recs, ids, ids_hierarchy and orig_ids_hierarchy internal variables. Use it if you need it.


    public
                    reset() : mixed

getBackendUser()


    protected
                    getBackendUser() : BackendUserAuthentication

Return values

BackendUserAuthentication

getCount()

Returns the number of records having the parent id, $uid


    protected
                    getCount(int $uid) : int

Parameters

$uid : int: Id to count subitems for

Return values

int

getDataInit()

Getting the tree data: Selecting/Initializing data pointer to items for a certain parent id.


    protected
                    getDataInit(int $parentId) : mixed

For tables: This will make a database query to select all children to "parent" For arrays: This will return key to the ->dataLookup array

Parameters

$parentId : int: parent item id

Return values

mixed —

Data handle (Tables: An sql-resource, arrays: A parentId integer. -1 is returned if there were NO subLevel.)

getDataNext()

Getting the tree data: next entry


    protected
                    getDataNext(mixed &$res) : array<string|int, mixed>|bool

Parameters

$res : mixed: Data handle

Return values

array<string|int, mixed>|bool —

item data array OR FALSE if end of elements.

getIcon()

Get the icon markup for the row


    protected
                    getIcon(array<string|int, mixed> $row) : string

Parameters

$row : array<string|int, mixed>: The row to get the icon for

Return values

string —

The icon markup, wrapped into a span tag, with the records title as title attribute

getLanguageService()


    protected
                    getLanguageService() : LanguageService

Return values

LanguageService

getTitleAttrib()

Returns the value for the image "title" attribute


    protected
                    getTitleAttrib(array<string|int, mixed> $row) : string

Parameters

$row : array<string|int, mixed>: The input row array (where the key "title" is used for the title)

Return values

string —

The attribute value (is htmlspecialchared() already)

getTitleStr()

Returns the title for the input record. If blank, a "no title" label (localized) will be returned.


    protected
                    getTitleStr(array<string|int, mixed> $row[, int $titleLen = 30 ]) : string

Do NOT htmlspecialchar the string from this function - has already been done.

Parameters

$row : array<string|int, mixed>: The input row array (where the key "title" is used for the title)
$titleLen : int = 30: Title length (30)

Return values

string —

The title.

PM_ATagWrap()

Wrap the plus/minus icon in a link


    protected
                    PM_ATagWrap([string $bMark = '' ][, bool $isOpen = false ]) : string

Parameters

$bMark : string = '': If set, the link will have an anchor point (=$bMark) and a name attribute (=$bMark)
$isOpen : bool = false

Return values

string —

Link-wrapped input string

PMicon()

Generate the plus/minus icon for the browsable tree.


    protected
                    PMicon(array<string|int, mixed> $row, int $a, int $c, int $nextCount, bool $isOpen) : string

Parameters

$row : array<string|int, mixed>: Record for the entry
$a : int: The current entry number
$c : int: The total number of entries. If equal to $a, a "bottom" element is returned.
$nextCount : int: The number of sub-elements to the current element.
$isOpen : bool: The element was expanded to render subelements if this flag is set.

Return values

string —

Image tag with the plus/minus icon.

AbstractTreeView

Table of Contents

Properties

Methods

Properties

$buffer_idH

$ids

$ids_hierarchy

$makeHTML

$orderByFields

Tags

$orig_ids_hierarchy

$tree

$clause

Tags

$defaultList

Tags

$fieldArray

Tags

$parentField

$table

Methods

__construct()

addField()

Parameters

expandNext()

Parameters

Tags

Return values

getTree()

Parameters

Return values

init()

Parameters

reset()

getBackendUser()

Return values

getCount()

Parameters

Return values

getDataInit()

Parameters

Return values

getDataNext()

Parameters

Tags

Return values

getIcon()

Parameters

Return values

getLanguageService()

Return values

getTitleAttrib()

Parameters

Return values

getTitleStr()

Parameters

Return values

PM_ATagWrap()

Parameters

Return values

PMicon()

Parameters

Tags

Return values