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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsITreeBoxObject;
interface nsITreeColumn;
#include "nsISupports.idl"
[scriptable, uuid(ab6fe746-300b-4ab4-abb9-1c0e3977874c)]
interface nsITreeSelection : nsISupports
{
/**
* The tree widget for this selection.
*/
attribute nsITreeBoxObject tree;
/**
* This attribute is a boolean indicating single selection.
*/
readonly attribute boolean single;
/**
* The number of rows currently selected in this tree.
*/
readonly attribute long count;
/**
* Indicates whether or not the row at the specified index is
* part of the selection.
*/
boolean isSelected(in long index);
/**
* Deselect all rows and select the row at the specified index.
*/
void select(in long index);
/**
* Perform a timed select.
*/
void timedSelect(in long index, in long delay);
/**
* Toggle the selection state of the row at the specified index.
*/
void toggleSelect(in long index);
/**
* Select the range specified by the indices. If augment is true,
* then we add the range to the selection without clearing out anything
* else. If augment is false, everything is cleared except for the specified range.
*/
void rangedSelect(in long startIndex, in long endIndex, in boolean augment);
/**
* Clears the range.
*/
void clearRange(in long startIndex, in long endIndex);
/**
* Clears the selection.
*/
void clearSelection();
/**
* Inverts the selection.
*/
void invertSelection();
/**
* Selects all rows.
*/
void selectAll();
/**
* Iterate the selection using these methods.
*/
long getRangeCount();
void getRangeAt(in long i, out long min, out long max);
/**
* Can be used to invalidate the selection.
*/
void invalidateSelection();
/**
* Called when the row count changes to adjust selection indices.
*/
void adjustSelection(in long index, in long count);
/**
* This attribute is a boolean indicating whether or not the
* "select" event should fire when the selection is changed using
* one of our methods. A view can use this to temporarily suppress
* the selection while manipulating all of the indices, e.g., on
* a sort.
* Note: setting this attribute to false will fire a select event.
*/
attribute boolean selectEventsSuppressed;
/**
* The current item (the one that gets a focus rect in addition to being
* selected).
*/
attribute long currentIndex;
/**
* The current column.
*/
attribute nsITreeColumn currentColumn;
/**
* The selection "pivot". This is the first item the user selected as
* part of a ranged select.
*/
readonly attribute long shiftSelectPivot;
};
/**
* The following interface is not scriptable and MUST NEVER BE MADE scriptable.
* Native treeselections implement it, and we use this to check whether a
* treeselection is native (and therefore suitable for use by untrusted content).
*/
[uuid(1bd59678-5cb3-4316-b246-31a91b19aabe)]
interface nsINativeTreeSelection : nsITreeSelection
{
[noscript] void ensureNative();
};
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