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Version: 4.4

Folderlist Form Field

The folderlist form field type provides a drop down list of folders from a specified directory. saved value this is selected when the page is first loaded. If not, the default value (if any) is selected.

By default, the first item on the list is '- None Selected -' (which is translatable) and is given the value '-1' and this is followed by '- Use Default -' (also translatable) given the value '0'.

  • type (mandatory) must be folderlist.
  • name (mandatory) is the unique name of the field.
  • label (mandatory) (translatable) is the field html label.
  • directory (mandatory) is the filesystem path to the directory containing the folders to be listed.
  • description (optional) (translatable) is the field description.
  • default (optional) is the default folder name.
  • filter (Joomla 3.x) or fileFilter (Joomla 4.0 and later) (optional) is a regular expression string which is used to filter the list of folders selected for inclusion in the drop-down list. If omitted, all folders in the directory are included. The filter argument expression is applied before the exclude argument expression. For information on constructing regular expressions see Regular expressions in parameter arguments.
  • exclude (optional) is a regular expression string which is used to exclude files from the list. The exclude argument expression is applied after the filter argument expression. For information on constructing regular expressions see Regular expressions in parameter arguments.
  • hide_none (optional) is a Boolean argument. If true, the '- None Selected -' item is omitted from the drop-down list.
  • hide_default (optional) is a Boolean argument. If true, the '- Use Default -' item is omitted from the drop-down list.
  • recursive (optional) is a Boolean argument. If true, the list of folders recursively includes any sub-folders found. Caution: If you have a large number of sub-folders this can make page loading slow.

Implemented by: libraries/src/Form/Field/FolderlistField.php

Example XML parameter definition​

<field
        name="myfolder"
        type="folderlist"
        default=""
        label="Select a folder"
        directory="administrator"
        filter=""
        exclude=""
        stripext=""
/>

See also​