server/core/src/jquery/selectrange.js

48 lines
1.5 KiB
JavaScript

/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import $ from 'jquery'
/**
* select a range in an input field
*
* @see {@link http://stackoverflow.com/questions/499126/jquery-set-cursor-position-in-text-area}
* @param {number} start start selection from
* @param {number} end number of char from start
* @return {void}
*/
$.fn.selectRange = function(start, end) {
return this.each(function() {
if (this.setSelectionRange) {
this.focus()
this.setSelectionRange(start, end)
} else if (this.createTextRange) {
const range = this.createTextRange()
range.collapse(true)
range.moveEnd('character', end)
range.moveStart('character', start)
range.select()
}
})
}