Intro

A multi-input field allows the user to enter multiple values, which are displayed as tokens. To help the user enter a valid value, you can enable the suggestions feature and the value help option.

Usage

Use the multi-input field if:

You want the user to select multiple ranges (with the value help option and the value help dialog).
The dataset to choose from is expected to increase over time (for example, to more than 200 values).
You need to provide the value help option to help users select or search multiple business objects.
You want to enable users to add custom values.

Do not use the multi-input field if:

You want the user to select one entry only. In this case, use the input field or combo box instead.
You want the user to select from a pre-defined set of options only. In this case, use the multi-combo box instead.

information

For more information on which selection control to choose, see the selection control overview.

Responsiveness

Size S

Cozy mode.
When the user clicks the multi-input field, a new full screen dialog opens. After clicking the input field and typing, the suggestions can be selected. When the user makes a selection, the dialog closes and the token is displayed.
The user can review the tokens by swiping them to the left or right.

Multi-input field (size S)

Suggestions on a smartphone (size S)

Suggestions on a smartphone (size S)

Size M

Cozy mode.
The suggestions appear below or above the multi-input field.
The user can review tokens by swiping them to the left or right.

Suggestions on a tablet (size M)

Suggestions on a tablet (size M)

Size L

Compact mode.
The suggestions appear below or above the multi-input field.
The user can review tokens by pressing the right or left arrows on the keyboard.

Suggestions on a desktop device (size L)

Suggestions on a desktop device (size L)

Types

The input types of the multi-input field are identical to those of the input field.

Behavior and Interaction

Adding Tokens

A token can be added using suggestions or value help. As the user types, the first suggestion item that matches the characters entered is autocompleted in the input field. The typed characters are matched against the beginning of the suggestion items, based on the “starts with” filter. The user can accept the autocompleted value by pressing ENTER. The autocomplete property is set by default if suggestions are available, but can also be switched off.

When an item is selected from the suggestions dropdown, the corresponding token is created, and the input field is ready for the next entry. Tokens are placed next to each other on one line.

The suggestions dropdown can be wider than the input field itself, but not wider than the current browser window (property: maxSuggestionWidth).

warning

The typeahead input feature is not available for Android devices.

hint

Values that are entered can also be tokenized when the user presses ENTER. The app development team can perform a custom validation of the entered data and decide whether a token should be created.

A token in a multi-input field

A multi-input field with two tokens while editing

information

For information on how to manage leading and treading whitespace (blanks) when copying and pasting text into input controls, please see removing leading and trailing whitespace.

Reviewing Tokens

If tokens have been selected, and the input field is not in focus, the input field displays as many tokens as possible in the available space. If more tokens have been selected, an [n] More label indicates the number of hidden tokens. The tokens in the input field appear in the order in which they were selected.

Clicking the [n] More label opens a popover below the input field, in which all selected items are shown. The user can deselect an item by clicking its delete icon.

Multi-input field - 'n More' label (desktop)

More items displayed (desktop)

More items displayed (desktop)

More items displayed (phone)

More items displayed (phone)

If the length of the last selected token exceeds the width of the input field, a label [n] Item/s is shown when the field is not in focus.

Clicking the [n] Item/s label opens a popover below the input field, in which all selected items are shown. The user can deselect an item by clicking its delete icon.

If there is only one token in the input field and its length exceeds the width of the input field, the text is truncated. Clicking the token opens a popover below the input field, in which the full text of the token is shown.

Multi-input field - '1 Item' case (desktop)

Showing the compete item

Showing the compete item

Multi-input field - 'n Items' label (desktop)

Displaying all items

Displaying all items

In the input field itself, the user can review tokens using the left or right cursor keys on a desktop, or by swiping to the left or right on a smartphone or tablet. Tokens can be selected by either clicking/tapping them or by pressing Space (selects the focused token).

Selected token

Deleting Tokens

The user can delete tokens by pressing the Backspace or Del button (when selected) on a desktop’s keyboard, or by tapping the Delete icon on a mobile device.

Using Value Help

You can enable the value help option to provide a more advanced dialog for finding the relevant business object. Two dialogs can be used at present:

Select dialog (simple)
Value help dialog (complex)

Value help icon on empty multi-input field

Select Dialog

Select Dialog

Selecting Items

Selecting Items

Displaying the selected items in the multi-input field

Value help icon on empty multi-input field

Value help dialog

Value help dialog

Selecting Items

Selecting Items

Displaying the selected items in the multi-input field

To give a better indication of the type of data that can be selected, you can exchange the value help icon.

Custom value help icon

Filtering

When the user starts typing in the input field, the list is filtered. Only items that match the character or characters entered are shown in the dropdown list. The default filtering method is “starts with per term”, which matches the beginning of each word in an item’s text.

In addition, application developers can set a custom filtering method “starts with” or “contains” (method: setFilterFunction). The “starts with” approach filters only for items where the beginning of the label matches the query entered. The “contains” approach searches the full label for a match.

As a visual hint for the user, the matched characters are highlighted (bold) in the option list items. The highlighting works on the basis of “starts with per term”, regardless of the filtering method.

Multi-input field - Default filtering, autocomplete in the input field is switched off

Multi-input field - Default filtering, autocomplete in the input field is switched off

Copying and Pasting Data from a Spreadsheet or Text File

The multi-input field can handle paste actions containing multiple items, such as items that have been selected in a column of a spreadsheet or text file. The user simply selects a whole column in the spreadsheet, copies it, and then pastes it from the clipboard into the multi-input field. Each item is represented as a token. If a single value is copied and pasted into the field, it is shown as a text value, as further editing might be required before it is converted into a token.

Grouping

You can group the items in a suggestion list by a specific attribute and separate each group visually with a group header. This feature is also available for tabular suggestion lists.

The group headers are not interactive.

The column headers within the tabular suggestion list remain in place when the list is scrolled (“sticky” behavior). Make sure the suggestion list has no more than 4 columns. If the columns don’t all fit on the screen or get too narrow on small screens, enable the responsive behavior to move columns into the pop-in area (property: enableTableAutoPopinMode).

Multi-input with grouped suggestions

Multi-input with grouped suggestions

Multi-input with grouped tabular suggestions

Multi-input with grouped tabular suggestions

Multi-input field with grouped tabular suggestions making use of the table's pop-in behavior

Multi-input field with grouped tabular suggestions making use of the table's pop-in behavior

Due to a technical limitation, the group headers are not visible when clicking on the n More text.

Clear

You can add a :icon-decline(Clear) icon to the input field (property: showClearIcon). The icon appears as soon as the multi-input field has non-tokenized text. Clicking the Clear icon removes the non-tokenized text from the field.

If you offer the Clear icon, make sure that the multi-input field is wide enough to show the icon in addition to the value.

Multi input field with token

Multi input field with token

Multi input field with token, text, and 'Clear' icon

Multi input field with token, text, and 'Clear' icon

Styles

The following images show how the states of the multi-input field are styled.

Unselected

Unselected with predefined placeholder

Unselected on hover

In focus

Selected items shown as tokens

Expanded multi-selection

Expanded multi-selection

When an error, warning, or information value state is displayed, the details can be provided as text or formatted text. The text is shown when the corresponding control has the focus. If using a formatted text, you can include one or several links.

Error

Error

Warning

Warning

Success

Information

Information

For details on the different states, see UI Element States.

For more information on semantic colors for value states, see How to Use Semantic Colors.

Guidelines

Give the control a width that is appropriate for the range of values that are going to be entered. Try to avoid setting a fixed width on this control. Instead, embed it in a proper layout (such as a form, simple form, or grid layout) and work with the layout data property.
Provide meaningful labels for all input fields. Do not use the placeholder as a replacement for the label. The placeholder should only provide an additional hint.
The multi-input field can currently contain tokens and one free text value. If you allow only validated values, display an error or warning when the user tries to leave the field to indicate that the value entered is invalid, or remove the value.
If users try to select an item that has been selected before, we recommend setting an error state and providing a meaningful message.

Multi-input - Error state for an item that has already been selected

Multi-input - Error state for an item that has already been selected

You can use the layout options of the form to add the unit of measurement (UoM) after the multi-input control. Apps can use the label-field ratio to show the UoM after the field. However, you must make sure that the UoM is properly visualized and doesn’t wrap to the next row.

hint

[internal_only]Check out this code snippet to see how the UoM could be added.[/internal_only]

For accessibility purposes, you can use ariaDescribedBy from the input control.

The multi-input field can be used in the grid table, analytical table and tree table as well, as condensed mode is already supported, both for desktop and mobile (tablets).

Multi-input field in the grid table in condensed mode

Multi-input field in the grid table in condensed mode

In display mode, use a text. Show the texts of the tokens, separated by bullet points. Provide an overflow for all texts that do not fit in one line.
In display mode, consider the following alternatives:
- A bulleted list with a bullet per token text (for example, using formatted text)
- A horizontal list with bullet separators between the individual token texts (for example, using text or formatted text)
- If the display mode equivalent needs to be a single-line text (as required for the grid table, tree table, analytical table), provide an overflow for all texts that do not fit onto the line (for example, by adding a link, opening a popover, or using an expandable text).