:  Carlie Bradshaw

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Tag inputs allow multiple metadata tags to be added to a piece of content from a pre-defined set.

Categorising content with tags can make it easier to find, instigate workflows, or define and control access permissions. Common tagsets include department, region, product, and personal information such as email addresses.

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Note: Where tags are subsequently being used to filter content, use the Filter Pane.

Types

Type	Usage	Image
Browsable list	Users may not know what the options are, and need to browse the entire list of available tags. Users may not know the exact terminology used for the tag labels. For small-to-medium size tagsets.
Auto-complete	Users know what they are looking for, and do not need to browse the entire list of available tags. Users are likely to know the exact labels for the tags they’re looking for. For large tagsets.

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• For both input types, search should follow the logic and behavior of Live Search.

Tag field

• Pills should be arranged left-to-right, top to bottom, in the order in which the tags were applied.

• The width of each pill will depend on its content, within minimum and maximum limits.

  • Where a tag label exceeds the maximum pill width it should be truncated, with the full label shown in a Tooltip on hover.

• The trigger button should move as tags are applied, always being shown to the right of the last applied tag pill. (Browsable list only).

• The tag field may optionally expand as more tags are applied. A limit may be set to the field height.Where

  • When the maximum field height is reached and there is no more space for additional pills, a Scrollbar should be added to the field

  to show additional rows of pills

  • .

• Pills should be arranged left-to-right, top to bottom, in the order in which the tags were applied.

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Tag menu ordering

• Browsable list:

  • The list of tags should be in a logical order to make them easy to scan, such as alphabetically, numerically, or by frequency of use.

  • The tag order should remain the same when a search is applied.

• Auto-complete:

  • When the tag field is first selected, the tags should be ordered by frequency or recency.

  • After search, the results should be ordered by relevance.

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For the states of the tag menu list items, follow :

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Multi-select Checkbox List (Browsable list).

Lists.

State	Browsable list tag field	Browsable list - tag pills	Auto-complete tag field	Auto-complete - tag pills
Regular
Hover		On hover over Close icon button:
Active
Disabled
Error		N/A		N/A
Warning		N/A		N/A
Focused

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Keyboard	Tag field text area	Applied tag pills
Tab	From a previous component, moves focus to the tag field text area. From the tag field text area, navigates to the next component.	Navigates to the next component
Shift + Tab	Reverse tab	Reverse tab
Space	Acts as text input	N/A
Enter	N/A	In outlook it returns focus to text input?
Esc	N/A	N/A
Delete	Acts as text input. After all text has been deleted, removes the last added pill.	Removes the pill, de-selecting the tag.
Arrows	Left/Right: act as arrows within the text. From the left of the text area, left moves to the last pill. Up/Down: moves focus to the auto-suggest results	Left/Right: moves between the pills. Up/Down: N/A
a-z, A-Z	Acts as text input.	Automatically moves focus to the text area.

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