gdf: A widget for editing a data frame
In gWidgetsWWW2: Toolkit implementation of the gWidgets API for use with web pages

Description Usage Arguments Value Author(s)

A widget for editing a data frame This implementation allows the user to edit a row (row-by-row). Change handlers are called after an edit is performed. The user can add a new row or remove the currently selected row (if more than 1 is present). The hidden argument do_add_remove_buttons can be set to FALSE to prevent this option. For large data sets, paging is used. the hidden argument page_size (with default of 200) can be set to adjust the size of each page.

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gdf(items = NULL, handler = NULL, action = NULL, container = NULL, ...,
  width = 300, height = 200, ext.args = NULL,
  name = deparse(substitute(items)))

`items`	data frame to be edited
`handler`	optional means (to `addHandlerChanged`) to specify a handler for the default signal. A handler is a function with signature `(h,...)` where `h` is a list with components `obj` referring to the object emitting the signal, `action` containing values passed to the `action` argument, and possible other values.
`action`	Passed to handler to parameterize a call
`container`	A parent container. In gWidgetsWWW2 a parent container is not optional (though it can be substituted with the `parent` argument in some circumstances). The parent specifies the widget heirarchy and the `...` argument is used to pass along arguments to layout the child component in the parent container. Typically, these are passed to the `add` method of the parent container.
`...`	Used to pass along argument to the parent container's `add` method and possible other arguments to the underlying ference class constructors.
`width`	width in pixels of component. Sizing in gWidgetsWWW2 is sometimes necessary as the arguments `expand` and `fill` are not well implemented.
`height`	height in pixels of the component.
`ext.args`	The contructors of gWidgetsWWW2 ultimately call an Ext constructor. The options passed to the Ext constructor may be added to or overridden by use of this argument. Values are passed in as named list components and with values converted into JavaScript objects by `asJSObject`.
`name`	name of data frame appearing in title