Source
/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** 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, version 3.
**
** 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 <https://www.gnu.org/licenses/>.
**/
/**
* JQuery class that creates input[type=range] UI element from given input[type=text] elements and adds some
* interactivity for better user experience.
*/
jQuery(function ($) {
"use strict";
function generateRangeElements(datalist, options) {
var value;
for (value = options.min; value < options.max; value += options.step) {
$('<option>', {value: value}).appendTo(datalist);
}
}
var methods = {
/**
* Initializes range control for passed input[type=text] elements.
*
* Following options should/must be defined in [data-options] attribute (json expected):
* - step - specifies what is a step in specified min-max range (optional).
* - min - specifies minimal value of range (mandatory).
* - max - specifies maximal value of range (mandatory).
*/
init: function() {
var tmpl = $('<div class="range-control">' +
'<div>' +
'<div class="range-control-track"></div>' +
'<div class="range-control-progress"></div>' +
'<datalist></datalist>' +
'<div class="range-control-thumb"></div>' +
'<input type="range">' +
'</div>' +
'</div>');
return $(this).each(function(_, input) {
var options = $(this).data('options'),
datalistid = (new Date()).getTime().toString(34),
$input = $(input),
$control = tmpl.clone(),
$range = $control.find('[type=range]'),
$datalist = $control.find('datalist').attr('id', datalistid),
$progress = $control.find('.range-control-progress'),
$thumb = $control.find('.range-control-thumb'),
updateHandler = function() {
var value = $range.val(),
shift = ((value - options.min) * 100 / (options.max - options.min));