A filter expression with filter operations supported by the DataSource.
These operations are: "!", "=", "<>", ">", ">=", "<", "<=", "startswith", "endswith", "contains", "notcontains", "and", "or".

NOTE

The this keyword refers to the custom operation's configuration.

View Demo

caption

Specifies the operation's caption.

Type:

String

Default Value: undefined

customizeText

Customizes the field value's text representation.

Type:

Function

Function parameters:

fieldInfo:

Object

Information about a FilterBuilder field.

Object structure:

Name	Type	Description
field	FilterBuilder Field	The field's configuration.
value	String \| Number \| Date	The field's unformatted value (specified using the editor).
valueText	String	The value with the format applied.

Name

Type

Description

field

FilterBuilder Field

The field's configuration.

value

String

Number

Date

The field's unformatted value (specified using the editor).

valueText

String

The value with the format applied.

Return Value:

String

The text to be displayed.

NOTE

The this keyword refers to the custom operation's configuration.

dataTypes

Specifies for which data types the operation is available by default.

Type:

Array<DataType>

Default Value: undefined

Define this property to make the custom operation available for all fields of specific data types. You can also make the operation available for an individual field by including the operation's name in the field's filterOperations array.

editorTemplate

Specifies a custom template for the UI component used to edit the field value.

Type:

template

Template Data:

Name	Type	Description
field	FilterBuilder Field	The field's configuration.
setValue	Function	A method you should call to change the field value after the editor value changes.
value	String \| Number \| Date	The editor's value.

Name

Type

Description

field

FilterBuilder Field

The field's configuration.

setValue

Function

A method you should call to change the field value after the editor value changes.

value

The editor's value.

hasValue

Specifies whether the operation can have a value. If it can, the editor is displayed.

Type:

Boolean

Default Value: true

icon

Specifies the icon that should represent the filter operation.

Type:

String

Default Value: undefined

This property accepts one of the following:

The icon's URL
The icon's name if the icon is from the DevExtreme icon library
The icon's CSS class if the icon is from an external icon library (see External Icon Libraries)
The icon in the Base64 format
The icon in the SVG format. Ensure that the source is reliable.

name

Specifies the operation's identifier.

Type:

String

Default Value: undefined

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General Information

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Mobile

Enterprise and Analytic Tools

End-User Documentation

General Information

.NET Subscription

Common Tools

Quality Assurance and Productivity

Desktop

Controls

Tools

Frameworks and Libraries

Web

Controls and Extensions

Tools

Maintenance Mode

Mobile

Enterprise and Analytic Tools

End-User Documentation

JavaScript/jQuery FilterBuilder - customOperations

See Also

calculateFilterExpression

See Also

caption

customizeText

dataTypes

editorTemplate

See Also

hasValue

icon

name