spreadView-class {iSPlot} | R Documentation |
Class "spreadView": A class to represent a spreadsheet view
Description
spreadView is a class to represent a view that is a spreadsheet. spreadView
inherits from the virtual class, genView.
Objects from the Class
Objects can be created by calls of the form new("spreadView", ...)
.
Slots
clist
:- an object of class
"GtkCList"
, i.e. the spreadsheet
dataName
:- a character string describing what data is shown in the view
win
:- an object of class
"GtkWindow"
that holds the view
winNum
:- a number that tells what number view this is (for example, the first view created will have winNum=1)
Extends
Class "genView"
, directly.
Methods
- clickEvent
- Handles button press events on a spreadsheet: identifies the row clicked and creates and handles a gUpdateDataMessage object depending on the whether the row was selected or unselected
- clist
- Returns the
clist
slot
- clist<-
- Sets the
clist
slot
- viewUpdateData
- Called by the initialize method when creating an object of class, gUpdateDataMessage. The viewUpdateData method determines how the data will be updated based on the view mode, the view object, and the location of the event (which row was selected in this case). A list containing the slot values for the gUpdateDataMessage object is returned.
Author(s)
Elizabeth Whalen
See Also
genView-class
,
plotView-class
,
sPlotView-class
,
gUpdateDataMessage-class
Examples
if (interactive())
{
createControlWindow()
# should load data through Open Data or Open File under the File menu
data(USArrests)
loadDFData(USArrests,"USArrests")
# plotting the data should occur through Plot Data under
# the Display menu
createView(type = "spreadView", dataName = "USArrests")
# this will create an object of class, spreadView
is(get("viewList",viewEnv)[[1]],"spreadView")
}
[Package
iSPlot version 1.0.7
Index]