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RadiobuttonList

Radio button based input widget for enumeration values, boolean values and references. Useful replacement for the default drop-down or reference selector widget.

Description

This widget enables you to render your attribute or association as a radiobutton list.

Contributing

For more information on contributing to this repository visit [Contributing to a GitHub repository] (https://world.mendix.com/display/howto50/Contributing+to+a+GitHub+repository)

Typical usage scenario

Visualize all possible options in your user interface, instead of forcing your user to open a dropdownlist to view all available options.

Features and limitations

  • Displaying the list in a horizontal or vertical direction.
  • Specify text of the labels in case of a boolean attribute
  • Attaching a microflow on the onchange event.

Installation

Import the widget to your project and add either Radiobutton List or Radiobutton List Advance to a dataview on a page. Configure the properties to determine how the widget will behave in your application.

###Properties

General
Display
  • Direction - Determines if the radiobutton list will render horizontally or vertically
Events
  • On change - The microflow which will be invoked in case of a on change event.
Radiobutton list (based on an attribute)
Display
  • True label - Label which will be shown in case your 'Target source attribute' is a boolean type and attribute value is 'True'
  • False label - Label which will be shown in case your 'Target source attribute' is a boolean type and attribute value is 'False'
Target source
  • Attribute - Attribute of type enumeration or boolean of which the values will be rendered as a radiobutton list.
Radiobutton list Advanced (based on an association)
Data source
  • Entity to list - Entity containing the attribute which should be rendered as a radiobutton list
  • Label - (String) Attribute of which it's contents will be used as label
  • Association - Association to be set to the selected option
  • Sort attribute - Attribute of which the value will be used to determine the sort order
  • Sort order - Determines if values of the sort attribute will be sorted ascending or descending
  • Data source type - The method used for retrieving objects
Data source (XPath)
  • XPath constraint - Constrain the list of objects to be retrieved
Data source (Microflow)
  • Data source microflow - Microflow returning a list of objects

###Example

Example for radiobutton list based on an association: There are two entities defined, namely 'CompanyDepartment' and 'Employee'. The application requires the option to refer an employee to a department. In this case 'Employee' is the owner of an association between the two entities. (Employee_Companydepartment).

The configuration of the widget's required properties would be: Entity to list: CompanyDepartment Label: Name (String attribute of CompanyDepartment) Association: Employee_CompanyDeparment/CompanyDepartment.

###Known bugs

Onchange has no effect on the form. Workaround: add a microflow to the onchange property of the widget.This microflow must contain a change activity. The change activity must have 'refresh in a client' enabled.