org.javarosa.core.model.utils

Interface IPreloadHandler

public interface IPreloadHandler

An IPreloadHandler is capable of taking in a set of parameters for a question's preloaded value, and returning an IAnswerData object that should be preloaded for a question.

Author:

Clayton Sims

Method Summary

Modifier and Type	Method and Description
boolean	handlePostProcess(TreeElement node, String params) Handles any post processing tasks that should be completed after the form entry interaction is completed.
IAnswerData	handlePreload(String preloadParams) Takes in a set of preload parameters, and determines the proper IAnswerData to be preloaded for a question.
String	preloadHandled()

Method Detail

preloadHandled

String preloadHandled()

Returns:

A String representing the preload handled by this handler

handlePreload

IAnswerData handlePreload(String preloadParams)

Takes in a set of preload parameters, and determines the proper IAnswerData to be preloaded for a question.

Parameters:

preloadParams - the parameters determining the preload value

Returns:

An IAnswerData to be used as the default, preloaded value for a Question.

handlePostProcess

boolean handlePostProcess(TreeElement node,
                          String params)

Handles any post processing tasks that should be completed after the form entry interaction is completed.

Parameters:

model - The completed data model.

ref - The reference to be processed

params - Processing paramaters.

Returns:

true if any post-processing occurs, false otherwise.