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55 lines
1.2 KiB
Plaintext
55 lines
1.2 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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[Func="IsChromeOrXBL"]
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interface TreeColumns {
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/**
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* The tree widget for these columns.
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*/
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readonly attribute TreeBoxObject? tree;
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/**
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* The number of columns.
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*/
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readonly attribute unsigned long count;
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/**
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* An alias for count (for the benefit of scripts which treat this as an
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* array).
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*/
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readonly attribute unsigned long length;
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/**
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* Get the first/last column.
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*/
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TreeColumn? getFirstColumn();
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TreeColumn? getLastColumn();
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/**
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* Attribute based column getters.
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*/
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TreeColumn? getPrimaryColumn();
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TreeColumn? getSortedColumn();
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TreeColumn? getKeyColumn();
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/**
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* Get the column for the given element.
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*/
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TreeColumn? getColumnFor(Element? element);
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/**
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* Parametric column getters.
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*/
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getter TreeColumn? getNamedColumn(DOMString name);
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getter TreeColumn? getColumnAt(unsigned long index);
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/**
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* This method is called whenever a treecol is added or removed and
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* the column cache needs to be rebuilt.
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*/
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void invalidateColumns();
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void restoreNaturalOrder();
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};
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