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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
[ChromeOnly, Exposed=Window]
interface TreeColumn {
readonly attribute Element element;
readonly attribute TreeColumns? columns;
[Throws]
readonly attribute long x;
[Throws]
readonly attribute long width;
readonly attribute DOMString id;
readonly attribute long index;
readonly attribute boolean primary;
readonly attribute boolean cycler;
readonly attribute boolean editable;
const short TYPE_TEXT = 1;
const short TYPE_CHECKBOX = 2;
readonly attribute short type;
TreeColumn? getNext();
TreeColumn? getPrevious();
/**
* Returns the previous displayed column, if any, accounting for
* the ordinals set on the columns.
*/
readonly attribute TreeColumn? previousColumn;
[Throws]
void invalidate();
};