Cascader
Displays the content as a categorized menu using parent→children view. The children options will be opened when the user selects or hovers over the parent option.
Basic
JSON Data to show cascading selections
This accepts the content as a JSON packet and all the children nodes are contained in the packet. Each element has the following properties and values corresponding to the property.
Property | Description |
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| Recommended keeping this value unique for referring to the node during development |
| The label that is displayed to denote each node |
| A node may have zero children, or it can have as many nested children as needed to display in a submenu |
Default Value
This is the JSON value extracted from cascaded data to show it as the default value when the user focuses on the widget. If the user wants to show the default value from the nested child node, the value should start with the parent node and reach to the children node using the separator as below.
Placeholder
Specifies a hint that describes the expected value. The placeholder shows the hint text in the widget when nothing is selected or entered. This text disappears as soon as a value is entered in the control.
Interaction
Event Handlers
Event | Description |
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| This event is activated when the value of the widget is changed. When this event triggers, the associated action gets executed. |
| This event is triggered when the widget receives focus, meaning it becomes the active element that can accept user input. |
| This event occurs when the user shifts the focus out of the widget. The corresponding action is executed once the event is triggered. |
Disabled
Disables the user interaction with the element on the page. It visually indicates that the element is inactive and prevents users from interacting with it when applied.
Hide
This sets whether the widget has to be displayed on the screen when the program is loaded. This shows/hides the widget both on desktop and mobile devices.
Label
Represents the caption for the widget in the user interface. It is recommended to keep the label string short and convey the usage of the widget in the UI.
Tooltip
This tooltip pops up when the user moves the mouse over the label area of the widget. This is commonly used to provide some extra or important information to the user on the usage of the widget.
The tooltip will be immediately shown when the user's mouse hovers over the widget, and immediately hides when the user's mouse leaves. This information will be contextual, useful, and informative.
Position
Property | Description |
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Alignment
Property | Description |
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Width
Enter a number value to set the width of the widget. It can be set in terms of pixels and percentage.
Layout
Widget Tooltip
This tooltip pops up when the user moves the mouse over the input area of the widget. It is commonly used to hint at the type of input the user needs to provide.
The tooltip will be immediately shown when the user's mouse hovers over the widget, and immediately hides when the user's mouse leaves. This information will be contextual, useful, and informative.
Advanced
Show Clear Button
Displays an 'x' symbol at the right end of the widget box, and the selected value is cleared out when the user clicks the clear button.
Searchable
Provides users with the ability to search using a keyword and show the filtered-down results for better usability. Users can start typing in the input box and the filtered results will be shown as they type.
Style
Property | Description |
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Label | Set the colour of the label text. Recommended to set in contrast with the background. |
Background | Users can change the colour of the text background using this property. It has all the RGB colour ranges to pick from. It is recommended to use a corresponding background colour that shows the font clearly. |
Border Color | Set the colour to the border lines. The border lines will be shown only if that is enabled. |
Border Radius | This sets the radius of the widget's corners, enabling rounded corners on the widget. This value is defined in "px" terms. |
Text | Set the colour of the text used to show the tree view content. Recommended to set in contrast with the background. |
Accent | An accent is a typically bright colour that contrasts with the more utilitarian background and foreground colours within a colour scheme. These are present in the visual style of many platforms (though not all). On the web, an accent is sometimes used in input elements for the active portion of the control, for instance, the background of a checked checkbox. MSDN web docs |
Margin | This value is set in terms of "px" number which creates the space between the border and the content of the widget. |
Padding | This value is set in terms of "px" number which creates the space between the border and outer elements. |
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