Usage
expressionItem(value = "", name, label = name, help = "", tooltip = "", attr, model, editor, ...)
Arguments
value
Default value for the model
name
Required name for object. Names should be unique within a group of items
label
Optional label, default value is the name
tooltip
Optional tooltip to display
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