https://www.queenslibrary.org/themes/renovate/bootstrap/javascripts/bootstrap/button.js?tl8z8n

1/* ========================================================================
2 * Bootstrap: button.js v3.3.7
3 * http://getbootstrap.com/javascript/#buttons
4 * ========================================================================
5 * Copyright 2011-2016 Twitter, Inc.
6 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
7 * ======================================================================== */
8
9
10+function ($) {
11  'use strict';
12
13  // BUTTON PUBLIC CLASS DEFINITION
14  // ==============================
15
16  var Button = function (element, options) {
17    this.$element  = $(element)
18    this.options   = $.extend({}, Button.DEFAULTS, options)
19    this.isLoading = false
20  }
21
22  Button.VERSION  = '3.3.7'
23
24  Button.DEFAULTS = {
25    loadingText: 'loading...'
26  }
27
28  Button.prototype.setState = function (state) {
29    var d    = 'disabled'
30    var $el  = this.$element
31    var val  = $el.is('input') ? 'val' : 'html'
32    var data = $el.data()
33
34    state += 'Text'
35
36    if (data.resetText == null) $el.data('resetText', $el[val]())
37
38    // push to event loop to allow forms to submit
39    setTimeout($.proxy(function () {
40      $el[val](data[state] == null ? this.options[state] : data[state])
41
42      if (state == 'loadingText') {
43        this.isLoading = true
44        $el.addClass(d).attr(d, d).prop(d, true)
45      } else if (this.isLoading) {
46        this.isLoading = false
47        $el.removeClass(d).removeAttr(d).prop(d, false)
48      }
49    }, this), 0)
50  }
51
52  Button.prototype.toggle = function () {
53    var changed = true
54    var $parent = this.$element.closest('[data-toggle="buttons"]')
55
56    if ($parent.length) {
57      var $input = this.$element.find('input')
58      if ($input.prop('type') == 'radio') {
59        if ($input.prop('checked')) changed = false
60        $parent.find('.active').removeClass('active')
61        this.$element.addClass('active')
62      } else if ($input.prop('type') == 'checkbox') {
63        if (($input.prop('checked')) !== this.$element.hasClass('active')) changed = false
64        this.$element.toggleClass('active')
65      }
66      $input.prop('checked', this.$element.hasClass('active'))
67      if (changed) $input.trigger('change')
68    } else {
69      this.$element.attr('aria-pressed', !this.$element.hasClass('active'))
70      this.$element.toggleClass('active')
71    }
72  }
73
74
75  // BUTTON PLUGIN DEFINITION
76  // ========================
77
78  function Plugin(option) {
79    return this.each(function () {
80      var $this   = $(this)
81      var data    = $this.data('bs.button')
82      var options = typeof option == 'object' && option
83
84      if (!data) $this.data('bs.button', (data = new Button(this, options)))
85
86      if (option == 'toggle') data.toggle()
87      else if (option) data.setState(option)
88    })
89  }
90
91  var old = $.fn.button
92
93  $.fn.button             = Plugin
94  $.fn.button.Constructor = Button
95
96
97  // BUTTON NO CONFLICT
98  // ==================
99
100  $.fn.button.noConflict = function () {
101    $.fn.button = old
102    return this
103  }
104
105
106  // BUTTON DATA-API
107  // ===============
108
109  $(document)
110    .on('click.bs.button.data-api', '[data-toggle^="button"]', function (e) {
111      var $btn = $(e.target).closest('.btn')
112      Plugin.call($btn, 'toggle')
113      if (!($(e.target).is('input[type="radio"], input[type="checkbox"]'))) {
114        // Prevent double click on radios, and the double selections (so cancellation) on checkboxes
115        e.preventDefault()
116        // The target component still receive the focus
117        if ($btn.is('input,button')) $btn.trigger('focus')
118        else $btn.find('input:visible,button:visible').first().trigger('focus')
119      }
120    })
121    .on('focus.bs.button.data-api blur.bs.button.data-api', '[data-toggle^="button"]', function (e) {
122      $(e.target).closest('.btn').toggleClass('focus', /^focus(in)?$/.test(e.type))
123    })
124
125}(jQuery);