Radio

The radio buttons represent a group of mutually exclusive options. In the group of radio buttons/mutually exclusive options, the user can select only one option. 

Usage

When to use	When not to use
When you have a very few options to display on the screen and want the user to select one of them.	Radio button is visible on the screen so do not use it if you have a long list of options to select from. For example:- Do not use the radio button if you want the user to select a city from the list of cities in a state.In this case, you must use the dropdown list.

Radio Button Configuration

The “Radio Button” element consists of the following properties:

• UI Configuration
• Event Configuration

UI Configuration

For the “Radio Button” element, you can configure the following UI properties:

Tab	Property Name	Description	Mandatory	New Default Value	Visibility Rules
Basic	Reference Name	Specifies a unique name of the element. At the application level, an element is identified and managed by the reference name.	Yes	RadioButton 1
Basic	Caption	Specifies the title of the element.	No	RadioButton
Basic	Max in Row	This property allows you to configure number of rows that will display the radio button descriptor.	No	1
Basic	Input Source	This property allows you to configure the source location for the following purposes: –> Fetch data from the source and the display it on the element. –> Store data in the source. You can click one of the following tabs to configure the input source: 1) Data Store:- If you select this tab, the Input Value box appears. In the Input Value box, select an entity so that the application fetches the data from the entity and then displays it in the element. Note:- To define the entity, you can refer to the Sample Array of Objects screen capture at the end of the post. 2) Enumeration:- If you select this tab, a Select Master list appears. Click the Select Master list, and then it displays a list of enum objects from the Data Modeler module. In the list, select an enum object. After you select an enum object, the application will access the enum object to fetch the data and then display it in the element. Note:– To use the enum object, you need to define the enum object in the Data Modeler. For reference, see the screen capture at the end of the post.	Yes
Basic	Input Value	Click in the Input Value box, and a smart selector expands. In the smart selector, select the entity so that the application can fetch data from the entity and then display it in the element. Note:- To view the code of a sample list (array of object), see the Sample Array of Objects screen capture at the end of the post.	Yes	{{fx}}	When Input Source = Data Store
Basic	Mapping	This property allows you to map the key or attribute of an entity.	No		When Input Source = Data Store
Basic	Code	In this box, enter the attribute’s name that contains the code of the value. Note:- To understand how to define an attribute that stores a code, see the Sample Array of Objects screen capture at the end of the post.	Yes		When the Mapping check box is selected
Basic	Value	In this box, enter the attribute’s name. This attribute stores the actual value that the application displays in the element. Note:- To understand how to define an attribute that stores the element’s value, see the Sample Array of Objects screen capture at the end of the post.	Yes		When the Mapping check box is selected
Basic	Wrap	Allows you to wrap the element around the radio button descriptor.	No	unmarked
Basic	Visible	Allows you to define the default visibility of the UI element.	No	marked
Basic	Business Rule	Click this list and then select a pre-defined business rule that will determine the element’s visibility. If the user’s action satisfies the condition in the business rule, the application will display or hide the element. To define the business rule, access the Business Rule Manager module.	No
Basic	Enable	Allows the user to enable/disable an element. You can decide whether the element needs to be clickable and usable.	No	marked
Basic	Business Rule	Click this list and then select a business rule to make the element active or inactive. If the user’s action satisfies the condition in the business rule, the application will make the element active or inactive in the application. To define the business rule, access the Business Rule Manager module.	No
Basic	Mandatory	Allows you to configure the element as a mandatory element.	No	unmarked
Basic	Message on Failure	This property becomes visible when you select Yes under Mandatory. In the Message on Failure box, enter the error message that the application will display if the user does not perform the function on the element.	No	Required	when mandatory = checked
Basic	Default Value	This property allows you to define the default value of an element. To define the default value: –> Click in this box, and it displays the list of the pre-define functions, attributes, and element IDs. –> In the list, select an attribute from which the application will fetch the default value and then display it in the element.
Basic	Parent Element ID	In this list, you can select the ID of an element. Based on the selected ID of an element, the current element will display the list of values. To select the element ID: i. Click in this box, and it displays the list of the pre-defined functions, attributes, and element IDs. ii. In the list, select an element’s ID.
UI Properties	Styles	Allows you to select a specific style for the element from the list of pre-defined styles. The vDesigner module offers pre-defined styles that you can apply to the element. These pre-defined styles are: –> Primary –> Success –> Secondary	No	Primary
UI Properties- Background	Color	Click the leftmost box and then define the color of the element’s background.	No	Theme Variable (Neutral)
UI Properties- Background	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency. While configuring the color, you can also configure the opacity in the percentage unit.	Yes	100%
UI Properties- Background	Select Color	Click the first box and then define the color of the element when the user selects the element to perform the function.	No	Transparent
UI Properties- Background	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency. While configuring the color, you can also configure the opacity in the percentage unit.	Yes	NA
UI Properties- Background	Unselect Color	Click the first box and then define the color of the element when the user unselects the element to perform the function.	No	Transparent
UI Properties- Background	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency. While configuring the color, you can also configure the opacity in the percentage unit.	Yes	NA
UI Properties- Alignment & Spacing	Margin	Allows you to desirably define margin around each side of the element. It provides four different boxes to define the margin outside the right, left, top, and bottom border of the element.	No	Theme Variable (Margin)
UI Properties- Alignment & Spacing	Element’s Alignment	This property contains three tabs. You can use these tabs as follows: 1. Left:- By default, this tab is selected. It aligns the element to the left of the page. 2. Center:- If you select this tab, it aligns the element at the center of the page. 3. Right:- If you select this tab, it aligns the element to the right of the page.	No	Left
UI Properties-Caption	Font	Select the font type (For example: – Arial) of the element’s caption.	No	Theme Variable (Font Family)
UI Properties-Caption	Size	Enter the font size of the caption.	No	12
UI Properties-Caption	Color	Select the color of the font of the caption.	No	Theme Variable (Caption)
UI Properties-Caption	Bold	Enter the thickness of the character of the element’s caption in the range of values from 1 to 9.	No	4
UI Properties-Caption	Style	Select the style of font (For example:- Italic) of the caption	No	Normal
UI Properties – Option	Select Color	Allows you to define the color of the radio element’s text that the application displays after the user selects the radio element.	No	#161616
UI Properties – Option	Unselect Color	Allows you to define the color of the radio element’s text that the application displays when the user does not select the radio element.	No
UI Properties – Option	Padding	This property allows you to define padding around each side of the option text. It provides four different boxes to define the padding around the right, left, top, and bottom side of the option text. The padding specifies the space in pixels around each side of the option text.	0
UI Properties – Option	Font	Select the font of the Option text	No	Theme Variable (Font Family)
UI Properties-Option	Size	Select the Font size of the hint text	No	12
UI Properties-Option	Color	Select the color of the Option text	No	Theme Variable (Answer Text)
UI Properties-Option	Weight	In this box, enter the numeric value (for example: – 6) that defines the thickness of the font of the item descriptor.	No	4
UI Properties-Option	Letter Spacing	In this box, you can enter a numeric value. This numeric value allows you to define the space between two adjacent letters in the radio’s text.	No	0
UI Properties-Option	Positioning	This property provides you two tabs as follows: 1. Left:- Select this option to position the text to the left of the radio element. 2. Right:- Select this option to position the text to the right of the radio element.	No	Left
UI Properties- Option	Hide Text	Allows the user to configure the option text as follows: –> Yes: The option text becomes invisible on the screen. –> No: The option text remains visible on the screen.	No	unmarked
UI Properties- Option	Hide Radio	When you click this check box, the Radio element becomes invisible on the page.
UI Properties- Option	Background Select Color	Allows you to define the background color of the check box’s text. The application displays this background color when the user selects the check box. To define the background color: To configure a color as the element’s background: 1. In the Color box, click the left color box (), and a color canvas open. 2. On the canvas, on the horizontal bar, move the circle to select the color. 3. In the upper section, move the circle to select the tone of the color. Click in the Color box and then define the color of the background.
UI Properties- Option	Background Unselect Color	Allows you to define the background color of the radio’s text. The application displays this background color when the user does not select the radio element. To define the background color: To configure a color as the element’s background: 1. In the Color box, click the left color box (), and a color canvas open. 2. On the canvas, on the horizontal bar, move the circle to select the color. 3. In the upper section, move the circle to select the tone of the color. Click in the Color box and then define the color of the background.
UI Properties- Option	Border Radius	Allows you to define the radius of one or more corners of the element. Defining the radius of the corner makes the corner of the element round.	No	0
UI Properties- Option	Shadow Color	Allows you to configure the color of the Radio element’s box’s shadow. To configure the color: In the Color box, click the left color box (), and a color canvas open. 2. On the canvas, on the horizontal bar, move the circle to select the color. 3. In the upper section, move the circle to select the tone of the color. Click in the Color box and then define the color of the box’s shadow.	No	#000000
UI Properties- Option	Offset X	This property allows you to configure the displacement of the shadow horizontally from the casting element. In the Offset X box, a positive numeric value will shift the shadow to the right of the casting element.	No
UI Properties- Option	Offset Y	This property allows you to configure the displacement of the shadow vertically from the casting element. In the Offset Y box, a positive numeric value will shift the shadow to the bottom of the casting element.	No
UI Properties- Option	Spread	This property allows you to define the expansion of the shadow from the size of the box. In the Spread box, enter a numeric value to define the expansion of the shadow.
UI Properties- Shape & Decoration	Type	Under the Shape and Decoration section, this property has the two following options: Autofill:- If you select this option, the element will occupy the available space of the parent layout. Manual:- If you select this option, you can define a specific size of the element.
UI Properties- Shape & Decoration	Width Value	Enter the width of the element in the pixel unit or percentage unit.	No	100%
UI Properties- Shape & Decoration	Height Value	Enter the height of the element in the pixel unit.	No	Set as ___ & Disable
UI Properties- Shape & Decoration	X	Allows you to move the element along the X-axis; when the value increases, the element moves from left to right.	No	Show & Disable
UI Properties- Shape & Decoration	Y	Allows you to move the element along the Y-axis; when the value increases, the element moves from top to bottom.	No	Show & Disable
UI Properties- Shape & Decoration	Border Color	Click the first box and then define the color of the element’s border.	No	Transparent
UI Properties- Shape & Decoration	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.	Yes	NA
UI Properties- Shape & Decoration	Select Color	Click the first box and then define the color of the element when the user selects the element to perform the function.	No	Theme Variable(Primary)
UI Properties- Shape & Decoration	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.	Yes	100%
UI Properties- Shape & Decoration	Unselect Color	Click the first box and then define the color of the element when the user unselects the element to perform the function.	No	#161616
UI Properties- Shape & Decoration	Opacity	Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.	Yes	100%
UI Properties-Tooltip	Show Tooltip	Click this check box to make a tooltip available with the element.	No	Clear Check box
UI Properties-Tooltip	Message	This property allows you to configure the message for a tooltip. To configure the message: Click in this box, and a smart selector expands. In the smart selector, you can select the following: 1. Static Function:- By using the static function, you can manually define the message inside the static function. 2. Element:- If you select the element, the application will fetch the message that is linked to the selected element. 3. Entity:- If you select an entity, the app will fetch the message from the entity.	Yes	{{ fx }}	When the Show Tooltip check box is selected.
UI Properties-Tooltip		This property allows you to define the color of the tooltip’s message. To define the message’s color: 1. Click the left Color box, a color canvas opens. 2. On the color canvas, move the circle on the upper bar to select the color of the tooltip’s text. 3. Move the circle on the lower bar to define the transparency of the selected color.	No	#6F6F6F	When the Show Tooltip check box is selected.
Data	Entity Path	This property allows you to map an attribute to the element. You define the JSON based attributes in the entity in the Data Modeler module. To define the entity path: –> Click in the Entity Path box, and a list expands. –> The list displays several attributes from the entity. –> In the list, select an attribute to map it to the element. After the user performs the function on the element, the application can perform the following functions: a. Fetches data from the attribute and then displays it in the element. b. Stores data in the attribute.	No	EntityName.
Security	Regex	In this box, enter a regular expression. After the user performs the action on the element, the logic of regular expression checks the user action.If the user action does not satisfies the regex (regular expression), application displays the error message.	No
Security Properties-Basic	Data Masking	This property allows you to mask the data. After you click the Data Masking check box, the following boxes appear: 1. Masking Type 2. N 3. Masking Symbol	No	Clear Check box
Security Properties-Basic	Masking Type	Click this list to select one of the following options: 1. From Start This option masks a specified number of characters (for example:- **ample123) from the left. 2. From End This option masks a specified number of characters (for example:- Example1**) from the right. 3. From Start & End This option masks specified numbers of characters (for example:- **ample***) from the left and right of the string. 4. Except Start This option masks all characters except a specified number of characters (for example:- Ex********) from the left. 5. Except End This option masks all characters except a specified number of characters (for example:- ********23) from the right. 6. Except Start & End This option masks all characters except specified numbers of characters (for example:- Ex*****123) from the left and right. 7. All Alphabets This option masks all alphabets (for example:- *******123) in the string. 8. All Numbers This option masks all numbers (for example:- Example***) in the string. 9. All This option masks all characters in the string.	No	From Start	If Data Masking check box is selected
Security Properties-Basic	N	This box comes into view after you click the Data Masking check box. In this box, enter a numeric value that specifies the number of characters that are masked from right or left in the string. For example:- If you select From Start in the Masking Type list and then enter 4 in the N box, the data masking property masks four characters from the left. If you select From End in the Masking Type list and then enter 4 in the N box, the data masking property masks four characters from the right.	No		If Data Masking check box is selected
Security Properties-Basic	M	This box comes into view after you select From Start & End in the Masking Type list. In the M box, enter a numeric value that specifies the number of characters that the Data Masking feature masks from the right of the string. For example:- If you enter 4 in the M box, the data masking property masks four characters from the right.	Yes		f Masking Type = From Start & End
Security Properties-Basic	Masking Symbol	Click this list and then select one of the following characters that you can use as a masking symbol or character: 1. * 2. & 3. % 4. $ 5. # 6. @ 7. x 8. – 9. +	No		If Data Masking check box is selected

Event Configuration

On the “Radio Button”, you can configure the following events:

• onSelect

Sample Array of Objects in the Data Modeler module

Sample enum in the Data Modeler module