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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISupports.idl"
-
- interface nsIContent;
- interface nsIDOMHTMLOptionElement;
- interface nsPresContext;
-
- /**
- * This interface is used to notify a SELECT when OPTION
- * elements are added and removed from its subtree.
- * Note that the nsIDOMHTMLSelectElement and nsIContent
- * interfaces are the ones to use to access and enumerate
- * OPTIONs within a SELECT element.
- */
-
- [scriptable, uuid(35bd8ed5-5f34-4126-8c4f-38ba01681836)]
- interface nsISelectElement : nsISupports
- {
-
- /**
- * To be called when stuff is added under a child of the select--but *before*
- * they are actually added.
- *
- * @param aOptions the content that was added (usually just an option, but
- * could be an optgroup node with many child options)
- * @param aParent the parent the options were added to (could be an optgroup)
- * @param aContentIndex the index where the options are being added within the
- * parent (if the parent is an optgroup, the index within the optgroup)
- */
- [noscript] void willAddOptions(in nsIContent aOptions,
- in nsIContent aParent,
- in long aContentIndex);
-
- /**
- * To be called when stuff is removed under a child of the select--but
- * *before* they are actually removed.
- *
- * @param aParent the parent the option(s) are being removed from
- * @param aContentIndex the index of the option(s) within the parent (if the
- * parent is an optgroup, the index within the optgroup)
- */
- [noscript] void willRemoveOptions(in nsIContent aParent,
- in long aContentIndex);
-
- /**
- * Checks whether an option is disabled (even if it's part of an optgroup)
- *
- * @param aIndex the index of the option to check
- * @return whether the option is disabled
- */
- boolean isOptionDisabled(in long aIndex);
-
- /**
- * Sets multiple options (or just sets startIndex if select is single)
- * and handles notifications and cleanup and everything under the sun.
- * When this method exits, the select will be in a consistent state. i.e.
- * if you set the last option to false, it will select an option anyway.
- *
- * @param aStartIndex the first index to set
- * @param aEndIndex the last index to set (set same as first index for one
- * option)
- * @param aIsSelected whether to set the option(s) to true or false
- * @param aClearAll whether to clear all other options (for example, if you
- * are normal-clicking on the current option)
- * @param aSetDisabled whether it is permissible to set disabled options
- * (for JavaScript)
- * @param aNotify whether to notify frames and such
- * @return whether any options were actually changed
- */
- boolean setOptionsSelectedByIndex(in long aStartIndex,
- in long aEndIndex,
- in boolean aIsSelected,
- in boolean aClearAll,
- in boolean aSetDisabled,
- in boolean aNotify);
-
- /**
- * Finds the index of a given option element
- *
- * @param aOption the option to get the index of
- * @param aStartIndex the index to start looking at
- * @param aForward TRUE to look forward, FALSE to look backward
- * @return the option index
- */
- long getOptionIndex(in nsIDOMHTMLOptionElement aOption,
- in long aStartIndex, in boolean aForward);
-
- /** Whether or not there are optgroups in this select */
- readonly attribute boolean hasOptGroups;
- };
-