Angular FilterBuilder API

The FilterBuilder UI component allows a user to build complex filter expressions with an unlimited number of filter conditions, combined by logical operations using the UI.

import { DxFilterBuilderModule } from "devextreme-angular"
Selector: dx-filter-builder

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Properties

An object defining the FilterBuilder UI component's configuration properties.

Name Description
accessKey

Specifies the shortcut key that sets focus on the UI component.
activeStateEnabled

Specifies whether the UI component changes its state as a result of user interaction.
allowHierarchicalFields

Specifies whether the UI component can display hierarchical data fields.
customOperations

Configures custom filter operations.
disabled

Specifies whether the UI component responds to user interaction.
elementAttr

Specifies the global attributes to be attached to the UI component's container element.
fields

Configures fields.
filterOperationDescriptions

Specifies filter operation descriptions.
focusStateEnabled

Specifies whether the UI component can be focused using keyboard navigation.
groupOperationDescriptions

Specifies group operation descriptions.
groupOperations

Specifies a set of available group operations.
height

Specifies the UI component's height.
hint

Specifies text for a hint that appears when a user pauses on the UI component.
hoverStateEnabled

Specifies whether the UI component changes its state when a user pauses on it.
maxGroupLevel

Specifies groups' maximum nesting level.
onContentReady

A function that is executed when the UI component's content is ready and each time the content is changed.
onDisposing

A function that is executed before the UI component is disposed of.
onEditorPrepared

A function that is executed after an editor is created.
onEditorPreparing

A function that is executed before an editor is created.
onInitialized

A function used in JavaScript frameworks to save the UI component instance.
onOptionChanged

A function that is executed after a UI component property is changed.
onValueChanged

A function that is executed after the UI component's value is changed.
rtlEnabled

Switches the UI component to a right-to-left representation.
tabIndex

Specifies the number of the element when the Tab key is used for navigating.
value

Allows you to specify a filter.
visible

Specifies whether the UI component is visible.
width

Specifies the UI component's width.

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Methods

This section describes methods that control the FilterBuilder UI component.

Name Description
beginUpdate()

Prevents the UI component from refreshing until the endUpdate() method is called.
defaultOptions(rule)

Specifies the device-dependent default configuration properties for this component.
dispose()

Disposes of all the resources allocated to the FilterBuilder instance.
element()

Gets the root UI component element.
endUpdate()

Refreshes the UI component after a call of the beginUpdate() method.
focus()

Sets focus on the UI component.
getFilterExpression()

Gets a filter expression that contains only operations supported by the DataSource.
getInstance(element)

Gets the instance of a UI component found using its DOM node.
instance()

Gets the UI component's instance. Use it to access other methods of the UI component.
off(eventName)

Detaches all event handlers from a single event.
off(eventName, eventHandler)

Detaches a particular event handler from a single event.
on(eventName, eventHandler)

Subscribes to an event.
on(events)

Subscribes to events.
option()

Gets all UI component properties.
option(optionName)

Gets the value of a single property.
option(optionName, optionValue)

Updates the value of a single property.
option(options)

Updates the values of several properties.
registerKeyHandler(key, handler)

Registers a handler to be executed when a user presses a specific key.
repaint()

Repaints the UI component without reloading data. Call it to update the UI component's markup.
resetOption(optionName)

Resets a property to its default value.

See Also

Events

This section describes the events this UI component raises.

Name Description
contentReady

Raised when the UI component's content is ready.
disposing

Raised before the UI component is disposed of.
editorPrepared

Raised after an editor is created.
editorPreparing

Raised before an editor is created.
initialized

Raised only once, after the UI component is initialized.
optionChanged

Raised after a UI component property is changed.
valueChanged

Raised after the UI component's value is changed.

See Also