select.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

const labels = $("label.multiselect");

const boxes = $("label.multiselect input:checkbox");

var lastChecked = {};

// implements shift+click

labels.click(function (e) {

  if (e.target.tagName === "INPUT") {

    return;

  let box = $("#" + this.htmlFor)[0];

  let activeSection = $("div.tab-pane.active")[0].id;

  if (activeSection in lastChecked) {

    // Bug 559506 - In Firefox shift/ctrl/alt+clicking a label doesn't check the box.

    let isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") > -1;

    if (e.shiftKey) {

      if (isFirefox) {

        box.checked = !box.checked;

      let start = boxes.index(box);

      let end = boxes.index(lastChecked[activeSection]);

      boxes

        .slice(Math.min(start, end), Math.max(start, end) + 1)

        .prop("checked", box.checked);

      apply();

  lastChecked[activeSection] = box;

});

function selectAll(btn) {

  let checked = !!btn.value;

  $("div.active label.filter-label").each(function () {

    $(this).find("input:checkbox")[0].checked = checked;

});

  apply();