| gAddMessage-class {iSPlot} | R Documentation |
gAddMessage is a class to represent an add message. When one of the components in the model-view-controller paradigm needs to tell another component to be added, an add message is created. For example, when the controller adds data to the data environment, a gAddDataMessage object is created. Both gAddDataMessage and gAddViewMessage classes are inherited from gAddMessage. Although gAddMessage is not a virtual class, currently no objects of class gAddMessage are created in package, iSPlot.
Objects can be created by calls of the form new("gAddMessage", ...).
dataName:mData:
Class "gMessage", directly.
dataName slotdataName slot mData slot mData slot Elizabeth Whalen
gMessage-class,
gAddViewMessage-class,
gAddDataMessage-class
if (interactive())
{
createControlWindow()
# should load data through Open Data or Open File under the File menu
data("USArrests")
dMessage<-new("gAddDataMessage", data="USArrests")
handleMessage(dMessage)
# check to make sure it has been loaded in dataEnv
names(get("dfList", dataEnv))
# check if it inherits from gAddMessage
is(dMessage,"gAddMessage")
}