After the plugin has been installed, go to the FORMCYCLE Designer and add a form element of type select. You can then select the plugin as the data source in the values panel.

Interface IPluginDataSource

Use cases

This type of plugin can be used to provide select fields with custom data from external web services, such as a list of countries, zip codes, etc.

Method signature

IPluginDataSourceRetVal resolve(IPluginDataSourceParams params) throws FCPluginException

Parameters

The method resolve is passed an object implementing IPluginDataSourceParams, which contains getters for the following properties:

• Projekt
  The form for which this plugin has been called.
• Mandant
  The client to which the form belongs to.
• SessionAttributes
• RequestParameters

Return value

The method must return an object implementing IPluginDataSourceRetVal. The class PluginDataSourceRetVal provides a reference implementation.

This object allows you to return a serializable JSON array containing the value that should be shown in the select field. The array must consist of objects, each object must contain the properties text and value. The text is what is displayed as the text of the select option, the value is the value that is sent when the form is submitted. Optionally, the object may also have the property title, which is used as the title attribute of the select option.

The exception FCPluginException will be thrown when an exception occurs while the plugin is being processed.