formServerFactory: A factory that creates a server-side function that handles...

In beerda/crudtable: A Shiny toolkit for Create-Read-Update-Delete Operations on Data

Description

This factory creates a function that handles the server-side functionality of the formUI. It is responsible for loading data into the form for editing, collecting the data after submitting them by the user and validating the user input.

Usage

formServerFactory(dao, validators = list())

Arguments

dao	A data access object (DAO), see dao, whose attributes are to be obtained from the form and provide to the crudTableServer.
validators	A list of validators that validate the user input and show an error message, see validator.

Details

The purpose of the created function is to be passed as the 'formServer' argument for the crudTableServer module.

Value

A function that is used by shiny to handle the inputs of the form. The returned function expects three arguments: input, output and session. It returns a list of three reactive values:

• saveTrigger, which triggers by this function on submit of the form, after the data are stored into the record reactive value;

• loadTrigger, which expects to be triggerred by crudTableServer after the form data are prepared in the record reactive value in order to load them into the form;

• record the list of data values to be passed to/from the form.

See Also

formUI, crudTableServer, validator

beerda/crudtable documentation built on July 13, 2020, 2:16 p.m.