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190 lines
6.8 KiB
Plaintext
190 lines
6.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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/* THIS IS A PUBLIC INTERFACE */
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interface nsIDOMNode;
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interface nsIDOMRange;
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/**
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* Interface for manipulating and querying the current selected range
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* of nodes within the document.
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*
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* @version 1.0
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*/
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[scriptable, uuid(5ac0cd5d-3c08-4c4c-8e70-230c433f5d5c)]
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interface nsISelection : nsISupports
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{
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/**
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* Returns the node in which the selection begins.
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*/
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readonly attribute nsIDOMNode anchorNode;
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/**
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* The offset within the (text) node where the selection begins.
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*/
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readonly attribute long anchorOffset;
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/**
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* Returns the node in which the selection ends.
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*/
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readonly attribute nsIDOMNode focusNode;
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/**
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* The offset within the (text) node where the selection ends.
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*/
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readonly attribute long focusOffset;
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/**
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* Indicates if the selection is collapsed or not.
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*/
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readonly attribute boolean isCollapsed;
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/**
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* Returns the number of ranges in the selection.
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*/
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readonly attribute long rangeCount;
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/**
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* Returns the range at the specified index.
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*/
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nsIDOMRange getRangeAt(in long index);
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/**
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* Collapses the selection to a single point, at the specified offset
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* in the given DOM node. When the selection is collapsed, and the content
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* is focused and editable, the caret will blink there.
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* @param parentNode The given dom node where the selection will be set
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* @param offset Where in given dom node to place the selection (the offset into the given node)
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*/
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void collapse(in nsIDOMNode parentNode, in long offset);
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/**
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* Extends the selection by moving the selection end to the specified node and offset,
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* preserving the selection begin position. The new selection end result will always
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* be from the anchorNode to the new focusNode, regardless of direction.
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* @param parentNode The node where the selection will be extended to
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* @param offset Where in node to place the offset in the new selection end
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*/
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void extend(in nsIDOMNode parentNode, in long offset);
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/**
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* Collapses the whole selection to a single point at the start
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* of the current selection (irrespective of direction). If content
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* is focused and editable, the caret will blink there.
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*/
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void collapseToStart();
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/**
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* Collapses the whole selection to a single point at the end
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* of the current selection (irrespective of direction). If content
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* is focused and editable, the caret will blink there.
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*/
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void collapseToEnd();
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/**
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* Indicates whether the node is part of the selection. If partlyContained
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* is set to PR_TRUE, the function returns true when some part of the node
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* is part of the selection. If partlyContained is set to PR_FALSE, the
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* function only returns true when the entire node is part of the selection.
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*/
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boolean containsNode(in nsIDOMNode node, in boolean partlyContained);
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/**
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* Adds all children of the specified node to the selection.
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* @param parentNode the parent of the children to be added to the selection.
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*/
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void selectAllChildren(in nsIDOMNode parentNode);
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/**
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* Adds a range to the current selection.
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*/
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void addRange(in nsIDOMRange range);
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/**
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* Removes a range from the current selection.
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*/
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void removeRange(in nsIDOMRange range);
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/**
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* Removes all ranges from the current selection.
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*/
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void removeAllRanges();
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/**
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* Deletes this selection from document the nodes belong to.
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*/
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void deleteFromDocument();
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/**
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* Modifies the cursor Bidi level after a change in keyboard direction
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* @param langRTL is PR_TRUE if the new language is right-to-left or
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* PR_FALSE if the new language is left-to-right.
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*/
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void selectionLanguageChange(in boolean langRTL);
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/**
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* Returns the whole selection into a plain text string.
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*/
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wstring toString();
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/**
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* Modifies the selection. Note that the parameters are case-insensitive.
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*
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* @param alter can be one of { "move", "extend" }
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* - "move" collapses the selection to the end of the selection and
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* applies the movement direction/granularity to the collapsed
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* selection.
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* - "extend" leaves the start of the selection unchanged, and applies
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* movement direction/granularity to the end of the selection.
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* @param direction can be one of { "forward", "backward", "left", "right" }
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* @param granularity can be one of { "character", "word",
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* "line", "lineboundary" }
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*
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* @returns NS_ERROR_NOT_IMPLEMENTED if the granularity is "sentence",
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* "sentenceboundary", "paragraph", "paragraphboundary", or
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* "documentboundary". Returns NS_ERROR_INVALID_ARG if alter, direction,
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* or granularity has an unrecognized value.
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*/
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void modify(in DOMString alter, in DOMString direction,
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in DOMString granularity);
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};
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