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List Box Input

KNIME Quick Form Nodes version 4.3.1.v202101261633 by KNIME AG, Zurich, Switzerland

Outputs a data table with one column holding a list of strings. The value can also be controlled from a quick form (web port).

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, for instance the web port.
Description
Some lines of description that will be shown in the remote control form, for instance by means of a tooltip.
Hide in Dialog
If the setting should be hidden in the sub node dialog.
Variable Name
Variable identifier and column name.
Parameter Name
Parameter identifier for external parameterization (e.g. batch execution).
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.

Interactive View: List Box Input

Input a list of strings.

Output Ports

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

Best Friends (Incoming)

Best Friends (Outgoing)

Workflows

Installation

To use this node in KNIME, install KNIME Quick Forms from the following update site:

KNIME 4.3

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

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Developers

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