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Checkbox

This page provides instructions on using the Checkbox widget to allow users to check or clear an item.

Display Checkbox
Display Checkbox

Content properties​

These properties are customizable options present in the property pane of the widget, allowing users to modify the widget according to their preferences.

Label​

Text String​

Sets the label of the Checkbox.

Position String​

Allows you to choose the placement of the label. You can choose:
  • Left - Aligns the text to the left of the Checkbox.
  • Right - Aligns the text to the right of the Checkbox.

Alignment String​

Alignment refers to how a label is positioned relative to a widget. By adjusting this property, you can control the visual alignment of the label within the widget's layout

Validations​

Required Boolean​

This validation feature allows you to designate the Checkbox as a mandatory field. For instance, when the Checkbox is placed within a Form widget, enabling the Required property ensures that the Form's submit button remains disabled until the checkbox is checked.

General​

Default State Boolean​

Determines the default state of the checkbox, whether it is checked or unchecked.

Visible Boolean​

This property controls the visibility of the widget. If you turn off this property, the widget would not be visible in view mode. Additionally, you can use JavaScript by clicking on JS next to the Visible property to conditionally control the widget's visibility.

Disabled Boolean​

This property prevents users from selecting the Checkbox widget. Even though the widget remains visible, user input is not permitted. Additionally, you can use JavaScript by clicking on JS next to the Disabled property to control the widget's disable state conditionally.

Animate Loading Boolean​

This property controls whether the widget is displayed with a loading animation. When enabled, the widget shows a skeletal animation during the loading process. Additionally, you can control it through JavaScript by clicking on the JS next to the property.

Height String​

This property determines how the widget's height adjusts to changes in its content. There are three available options:

  • Fixed: The height of the widget remains as set using drag and resize.
  • Auto Height: The widget's height adjusts dynamically in response to changes in its content.
  • Auto Height with limits: Same as Auto height, with a configurable option to set the minimum and maximum number of rows the widget can occupy.

Events​

onCheckChange​

This event defines the action that would be executed when the user checks or unchecks a checkbox. It allows you to specify a list of supported actions that can be triggered in response to the checkbox state change.

Style properties​

Style properties allow you to change the look and feel of the widget.

Font color String​

Represents the text color of the widget, specified as a CSS color value. It can also be manipulated programmatically using the JavaScript functions.

Font size String​

Determines the font size of the label. It accepts CSS font-size values and can also be programmatically modified using JavaScript functions.

Emphasis String​

Enables you to select a font style for the widget, such as bold or italic. Additionally, the font style can be programmatically modified using JavaScript functions

Accent color String​

Defines the accent color of the widget, which is used as the fill color for the checkbox when it is checked. It accepts CSS color values and can also be programmatically modified using JavaScript functions.

Border radius String​

Applies rounded corners to the outer edge of the widget. If JavaScript is enabled, you can specify valid CSS border-radius to adjust the radius of the corners.

Reference properties​

These properties are not available in the property pane, but can be accessed using the dot operator in other widgets or JavaScript functions. For instance, to get the visibility status, you can use Checkbox1.isVisible.

isChecked Boolean​

The isChecked property indicates whether the checkbox is currently checked or not. It is represented by a boolean value, where true signifies that the checkbox is checked, and false signifies that it is unchecked.

isDisabled Boolean​

The isDisabled property reflects the state of the widget's Disabled setting. It is represented by a boolean value, where true indicates that the widget is disabled, and false indicates that it is enabled for user interaction.

isVisible Boolean​

The isVisible property reflects the state of the widget's Visible setting. It is represented by a boolean value, where true indicates that the widget is visible, and false indicates that it is hidden or not displayed on the page.

Methods​

Widget property setters enable you to modify the values of widget properties at runtime, eliminating the need to manually update properties in the editor.

These methods are asynchronous and return a Promise. You can use the .then() block to ensure execution and sequencing of subsequent lines of code in Appsmith.

setVisibility (param: boolean): Promise​

Sets the visibility of the widget.

Example:

Checkbox1.setVisibility(true)

setDisabled (param: boolean): Promise​

Sets the disabled state of the widget.

Example:

Checkbox1.setDisabled(false)

setValue (param: boolean): Promise​

Allows you to dynamically set the value of the Checkbox widget.

Example:

Checkbox1.setValue(true)

setRequired (param: boolean): Promise​

Sets whether the widget is required or not.

Example:

Checkbox1.setRequired(true)