stringItem: A string item

In traitr: An interface for creating GUIs modeled in part after traits UI module for python.

Description

A string item

Usage

stringItem(value = "", regex = NULL, name, label = name, help = "",
  tooltip = "", eval_first = FALSE, attr, model, editor, ...)

Arguments

value	Default value for the model
regex	If non NULL specifies a regular expression for validation.
name	Required name for object. Names should be unique within a group of items
label	Optional label, default value is the name
help	Optional help string
tooltip	Optional tooltip to display
eval_first	Should value be run through eval/parse before coercion.
attr	A list of attributes to pass to widget on construction. Eg. attr=list(size=c(100,200))
model	Optional model. Useful if one wishes to use same model for multiple views
editor	Specification of editor (a view) to override default
...	Passed to parent proto object during call to proto

Value

A proto object. Call obj\$show_help() to view its methods and properties.

See Also

Item

Examples

## basic usage
a <- stringItem("ac", name="x")
a$get_x()
a$set_x("abc213")
a$get_x()
## eval first
a <- stringItem("ac", name="x", eval_first=TRUE)
a$set_x("2 + 2")
a$get_x()
a$to_R()

traitr documentation built on May 2, 2019, 3:32 p.m.