traitr (version 0.14)

variableSelectorItem: Item to select a variable (or variables) from a selected data frame

Description

Needs to have a dataframeItem specified to be useful.

Usage

variableSelectorItem(value = NA, multiple = FALSE, dataframeItem, name, label = name, help = "", tooltip = "", attr, model, editor, ...)

Arguments

value

Default data frame for the model, defaults to .GlobalEnv

multiple

Allow multiple selection?

dataframeItem

A required dataframeItem instance. This need not be in same display, or even displayed

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

attr

A list of attributes to pass to widget on construction. Eg. attr=list(size=c(100,200)) This widget uses a gtable instance and specifying the size is suggested

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

dataframeItem, Item

Examples

df <- data.frame(a=1:3, b= letters[1:3], c=rnorm(3)) # make a data frame
dfI <- dataframeItem(value="df", name="dfI")
dlg <- aDialog(items=list(
       dfI,                      ## a bit awkward -- can't define dfI in list of items
variable=variableSelectorItem(dataframeItem=dfI))
)
## Not run:  dlg$make_gui()