gcalendar: A constructor for a date selection widget

In gWidgets2: Rewrite of gWidgets API for Simplified GUI Construction

Description

The date is the main property of this widget

The svalue method for a calendar object returns the selected date

Usage

gcalendar(
  text = "",
  format = "%Y-%m-%d",
  handler = NULL,
  action = NULL,
  container = NULL,
  ...,
  toolkit = guiToolkit()
)

.gcalendar(
  toolkit,
  text = "",
  format = "%Y-%m-%d",
  handler = NULL,
  action = NULL,
  container = NULL,
  ...
)

## S3 method for class 'GCalendar'
addHandlerChanged(obj, handler, action = NULL, ...)

## S3 method for class 'GCalendar'
svalue(obj, index = NULL, drop = NULL, ...)

Arguments

text	initial text
format	Date format
handler	handler called when changed
action	passed to handler
container	parent container
...	passed to add method of parent
toolkit	toolkit
obj	receiver object
index	ignored
drop	if TRUE return a character, else a Date class object.

Value

Returns an object of class GCalendar for which the following methods are overridden:

1. svalue get the date

2. svalue<- set the date

The change handler is inherited from gedit

If drop=TRUE a character string, else a Date class object.

gWidgets2 documentation built on Jan. 11, 2022, 1:07 a.m.