gecko/dom/webidl/TreeColumns.webidl
2013-05-06 14:38:08 -07:00

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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/. */
interface MozTreeBoxObject;
interface MozTreeColumn;
interface TreeColumns {
/**
* The tree widget for these columns.
*/
readonly attribute MozTreeBoxObject? tree;
/**
* The number of columns.
*/
readonly attribute unsigned long count;
/**
* An alias for count (for the benefit of scripts which treat this as an
* array).
*/
readonly attribute unsigned long length;
/**
* Get the first/last column.
*/
MozTreeColumn? getFirstColumn();
MozTreeColumn? getLastColumn();
/**
* Attribute based column getters.
*/
MozTreeColumn? getPrimaryColumn();
MozTreeColumn? getSortedColumn();
MozTreeColumn? getKeyColumn();
/**
* Get the column for the given element.
*/
MozTreeColumn? getColumnFor(Element? element);
/**
* Parametric column getters.
*/
getter MozTreeColumn? getNamedColumn(DOMString id);
getter MozTreeColumn? getColumnAt(unsigned long index);
/**
* This method is called whenever a treecol is added or removed and
* the column cache needs to be rebuilt.
*/
void invalidateColumns();
void restoreNaturalOrder();
};