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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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"
/* THIS IS A PUBLIC INTERFACE */
interface nsIDOMNode;
interface nsIDOMRange;
/**
* Interface for manipulating and querying the current selected range
* of nodes within the document.
*
* @status FROZEN
* @version 1.0
*/
[scriptable, uuid(B2C7ED59-8634-4352-9E37-5484C8B6E4E1)]
interface nsISelection : nsISupports
{
/**
* The node representing one end of the selection.
*/
readonly attribute nsIDOMNode anchorNode;
/**
* The offset within the (text) node where the selection begins.
*/
readonly attribute long anchorOffset;
/**
* The node with keyboard focus.
*/
readonly attribute nsIDOMNode focusNode;
/**
* The offset within the (text) node where focus starts.
*/
readonly attribute long focusOffset;
/**
* Indicates if the selection is collapsed or not.
*/
readonly attribute boolean isCollapsed;
/**
* Returns the number of ranges in the selection.
*/
readonly attribute long rangeCount;
/**
* Returns the range at the specified index.
*/
nsIDOMRange getRangeAt(in long index);
/**
* Collapses the selection to a single point, at the specified offset
* in the given DOM node. When the selection is collapsed, and the content
* is focused and editable, the caret will blink there.
* @param parentNode The given dom node where the selection will be set
* @param offset Where in given dom node to place the selection (the offset into the given node)
*/
void collapse(in nsIDOMNode parentNode, in long offset);
/**
* Extends the selection by moving the focus to the specified node and offset,
* preserving the anchor postion. The new selection end result will always
* be from the anchor to the new focus, regardless of direction.
* @param parentNode The node where the selection will be extended to
* @param offset Where in node to place the offset in the new focused node
*/
void extend(in nsIDOMNode parentNode, in long offset);
/**
* Collapses the whole selection to a single point at the start
* of the current selection (irrespective of direction). If content
* is focused and editable, the caret will blink there.
*/
void collapseToStart();
/**
* Collapses the whole selection to a single point at the end
* of the current selection (irrespective of direction). If content
* is focused and editable, the caret will blink there.
*/
void collapseToEnd();
/**
* The value of entirelyContained determines the detail of the search to determine if
* the selection contains the node. If entirelyContained is set to PR_TRUE, t
* or false if
* @param node The node where the selection will be extended to
* @param entirelyContained Whether
*/
boolean containsNode(in nsIDOMNode node, in boolean entirelyContained);
/**
* Adds all children of the specified node to the selection.
* @param parentNode the parent of the children to be added to the selection.
*/
void selectAllChildren(in nsIDOMNode parentNode);
/**
* Adds a range to the current selection.
*/
void addRange(in nsIDOMRange range);
/**
* Removes a range from the current selection.
*/
void removeRange(in nsIDOMRange range);
/**
* Removes all ranges from the current selection.
*/
void removeAllRanges();
/**
* Deletes this selection from document the nodes belong to.
*/
void deleteFromDocument();
/**
* Modifies the cursor Bidi level after a change in keyboard direction
* @param langRTL is PR_TRUE if the new language is right-to-left or
* PR_FALSE if the new language is left-to-right.
*/
void selectionLanguageChange(in boolean langRTL);
/**
* Returns the whole selection into a plain text string.
*/
wstring toString();
};
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