mirror of
https://github.com/haiwen/seahub.git
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720ac28c22
* textcolor: fixed plugin bugs, added translation for zh * image: fixed default.jpg src bug * added 'ru' support for seaf edit * rm aloha-0.22.3 and ununsed files in aloha-0.22.7
109 lines
3.5 KiB
JavaScript
109 lines
3.5 KiB
JavaScript
/* copypaste.js is part of Aloha Editor project http://aloha-editor.org
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*
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* Aloha Editor is a WYSIWYG HTML5 inline editing library and editor.
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* Copyright (c) 2012 Gentics Software GmbH, Vienna, Austria.
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* Contributors http://aloha-editor.org/contribution.php
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*
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* Aloha Editor is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* Aloha Editor is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* As an additional permission to the GNU GPL version 2, you may distribute
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* non-source (e.g., minimized or compacted) forms of the Aloha-Editor
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* source code without the copy of the GNU GPL normally required,
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* provided you include this license notice and a URL through which
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* recipients can access the Corresponding Source.
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*/
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/**
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* @overview:
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* Various utility functions that are useful when working with selections, and
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* ranges for copy/paste functionality.
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*/
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define('aloha/copypaste', [
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'jquery',
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'aloha/core'
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], function (
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$,
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Aloha
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) {
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'use strict';
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/**
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* Retrieve the editable host in which the given range is contained.
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*
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* @param {WrappedRange} range
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* @return {jQuery.<HTMLElement>|null} The editable host element, null if
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* non can be determinded from the given
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* range.
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*/
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function getEditableAt(range) {
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if (!range || !range.commonAncestorContainer) {
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return null;
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}
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var $container = $(range.commonAncestorContainer);
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return $container.length ? Aloha.getEditableHost($container) : null;
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}
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/**
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* Retrieves the current range.
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*
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* @return {WrappedRange|null} Range at current selection or null of non
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* exists.
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*/
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function getRange() {
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var selection = Aloha.getSelection();
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return selection.getRangeCount() ? selection.getRangeAt(0) : null;
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}
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/**
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* Set the selection to the given range
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*
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* @param {object} range An object that must container the following
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* essential range properties: ~ startContainer
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* ~ endContainer
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* ~ startOffset
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* ~ endOffset
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*/
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function setSelectionAt(range) {
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var newRange = Aloha.createRange();
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var selection = Aloha.getSelection();
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newRange.setStart(range.startContainer, range.startOffset);
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newRange.setEnd(range.endContainer, range.endOffset);
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selection.removeAllRanges();
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selection.addRange(newRange);
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}
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/**
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* Creates a selection that encompasses the contents of the given element.
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*
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* @param {HTMLElement} element Editable DOM element.
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*/
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function selectAllOf(element) {
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setSelectionAt({
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startContainer: element,
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endContainer: element,
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startOffset: 0,
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endOffset: element.childNodes ? element.childNodes.length
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: element.length
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});
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$(element).focus();
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}
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return {
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getEditableAt: getEditableAt,
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getRange: getRange,
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selectAllOf: selectAllOf,
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setSelectionAt: setSelectionAt
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};
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});
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