List Box Widget

Creates a text area input widget for use in components views. Outputs a data table with one column holding a list of strings.

The node supports custom CSS styling. You can simply put CSS rules into a single string and set it as a flow variable 'customCSS' in the node configuration dialog. You will find the list of available classes and their description on our documentation page.

Options

Label: A descriptive label that will be shown in the view.
Description: Some lines of description that will be shown in the view, for instance by means of a tooltip.
Variable Name: Variable identifier.
Separator: An undelimited list of char separators including \n and \t. All tokens are used as delimiters.
Separate at each character: If enabled the input value will be split into a list of characters, the separator will be ignored.
Omit Empty Values: If enabled empty values will be omitted from the output table and do not have to pass the check for validation.
Regular Expression: Regular expression defining valid values.
Validation Error Message: Message that will be shown if one of the values is not valid. The character ? will be replaced by the invalid value.
Common Regular Expressions: A set of regular expression templates for common inputs. With the assign button you assign the regular expression and the corresponding error message to be the current settings.
Default Value: The value that is selected by default.
Number of visible options: A number of options visible in the List Box component without a vertical scroll bar. Changing this value will also affect the component's height.

Input Ports

This node has no input ports

Output Ports

: Variable output with the given variable defined and the selected option as index.

Popular Predecessors

Popular Successors

Views

Interactive View: List Box Widget: Displays a text area input field which represents the string value(s).

Workflows

Developers

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Installation

To use this node in KNIME, install the extension KNIME Quick Forms from the below update site following our NodePit Product and Node Installation Guide:

v5.4

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.4.0.v202411271644

On NodePit since: 2024-12-06

Last update: 2024-12-21

KNIME versions: Since v4.0

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