From 180fc0b3ea9592abc2958b417ec98f16cbf9967d Mon Sep 17 00:00:00 2001
From: Angus McLeod <angus@mcleod.org.au>
Date: Tue, 5 Jul 2022 08:40:55 +0200
Subject: [PATCH] Create bootstrap-modal.js

---
 assets/javascripts/legacy/bootstrap-modal.js | 360 +++++++++++++++++++
 1 file changed, 360 insertions(+)
 create mode 100644 assets/javascripts/legacy/bootstrap-modal.js

diff --git a/assets/javascripts/legacy/bootstrap-modal.js b/assets/javascripts/legacy/bootstrap-modal.js
new file mode 100644
index 00000000..61c76fbd
--- /dev/null
+++ b/assets/javascripts/legacy/bootstrap-modal.js
@@ -0,0 +1,360 @@
+// discourse-skip-module
+
+/* ========================================================================
+ * Bootstrap: modal.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#modals
+ * ========================================================================
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * ======================================================================== */
+
+
++function ($) {
+  'use strict';
+
+  // MODAL CLASS DEFINITION
+  // ======================
+
+  var Modal = function (element, options) {
+    this.options = options
+    this.$body = $(document.body)
+    this.$element = $(element)
+    this.$dialog = this.$element.find('.modal-dialog')
+    this.$backdrop = null
+    this.isShown = null
+    this.originalBodyPad = null
+    this.scrollbarWidth = 0
+    this.ignoreBackdropClick = false
+    this.fixedContent = '.navbar-fixed-top, .navbar-fixed-bottom'
+
+    if (this.options.remote) {
+      this.$element
+        .find('.modal-content')
+        .load(this.options.remote, $.proxy(function () {
+          this.$element.trigger('loaded.bs.modal')
+        }, this))
+    }
+  }
+
+  Modal.VERSION = '3.4.1'
+
+  Modal.TRANSITION_DURATION = 300
+  Modal.BACKDROP_TRANSITION_DURATION = 150
+
+  Modal.DEFAULTS = {
+    backdrop: true,
+    keyboard: true,
+    show: true
+  }
+
+  Modal.prototype.toggle = function (_relatedTarget) {
+    return this.isShown ? this.hide() : this.show(_relatedTarget)
+  }
+
+  Modal.prototype.show = function (_relatedTarget) {
+    var that = this
+    var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
+
+    this.$element.trigger(e)
+
+    if (this.isShown || e.isDefaultPrevented()) return
+
+    this.isShown = true
+
+    this.checkScrollbar()
+    this.setScrollbar()
+    this.$body.addClass('modal-open')
+
+    this.escape()
+    this.resize()
+
+    this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))
+
+    this.$dialog.on('mousedown.dismiss.bs.modal', function () {
+      that.$element.one('mouseup.dismiss.bs.modal', function (e) {
+        if ($(e.target).is(that.$element)) that.ignoreBackdropClick = true
+      })
+    })
+
+    this.backdrop(function () {
+      var transition = $.support.transition && that.$element.hasClass('fade')
+
+      if (!that.$element.parent().length) {
+        that.$element.appendTo(that.$body) // don't move modals dom position
+      }
+
+      that.$element
+        .show()
+        .scrollTop(0)
+
+      that.adjustDialog()
+
+      if (transition) {
+        that.$element[0].offsetWidth // force reflow
+      }
+
+      that.$element.addClass('in')
+
+      that.enforceFocus()
+
+      var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })
+
+      transition ?
+        that.$dialog // wait for modal to slide in
+          .one('bsTransitionEnd', function () {
+            that.$element.trigger('focus').trigger(e)
+          })
+          .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
+        that.$element.trigger('focus').trigger(e)
+    })
+  }
+
+  Modal.prototype.hide = function (e) {
+    if (e) e.preventDefault()
+
+    e = $.Event('hide.bs.modal')
+
+    this.$element.trigger(e)
+
+    if (!this.isShown || e.isDefaultPrevented()) return
+
+    this.isShown = false
+
+    this.escape()
+    this.resize()
+
+    $(document).off('focusin.bs.modal')
+
+    this.$element
+      .removeClass('in')
+      .off('click.dismiss.bs.modal')
+      .off('mouseup.dismiss.bs.modal')
+
+    this.$dialog.off('mousedown.dismiss.bs.modal')
+
+    $.support.transition && this.$element.hasClass('fade') ?
+      this.$element
+        .one('bsTransitionEnd', $.proxy(this.hideModal, this))
+        .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
+      this.hideModal()
+  }
+
+  Modal.prototype.enforceFocus = function () {
+    $(document)
+      .off('focusin.bs.modal') // guard against infinite focus loop
+      .on('focusin.bs.modal', $.proxy(function (e) {
+        if (document !== e.target &&
+          this.$element[0] !== e.target &&
+          !this.$element.has(e.target).length) {
+          this.$element.trigger('focus')
+        }
+      }, this))
+  }
+
+  Modal.prototype.escape = function () {
+    if (this.isShown && this.options.keyboard) {
+      this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) {
+        e.which == 27 && this.hide()
+      }, this))
+    } else if (!this.isShown) {
+      this.$element.off('keydown.dismiss.bs.modal')
+    }
+  }
+
+  Modal.prototype.resize = function () {
+    if (this.isShown) {
+      $(window).on('resize.bs.modal', $.proxy(this.handleUpdate, this))
+    } else {
+      $(window).off('resize.bs.modal')
+    }
+  }
+
+  Modal.prototype.hideModal = function () {
+    var that = this
+    this.$element.hide()
+    this.backdrop(function () {
+      that.$body.removeClass('modal-open')
+      that.resetAdjustments()
+      that.resetScrollbar()
+      that.$element.trigger('hidden.bs.modal')
+    })
+  }
+
+  Modal.prototype.removeBackdrop = function () {
+    this.$backdrop && this.$backdrop.remove()
+    this.$backdrop = null
+  }
+
+  Modal.prototype.backdrop = function (callback) {
+    var that = this
+    var animate = this.$element.hasClass('fade') ? 'fade' : ''
+
+    if (this.isShown && this.options.backdrop) {
+      var doAnimate = $.support.transition && animate
+
+      this.$backdrop = $(document.createElement('div'))
+        .addClass('modal-backdrop ' + animate)
+        .appendTo(this.$body)
+
+      this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {
+        if (this.ignoreBackdropClick) {
+          this.ignoreBackdropClick = false
+          return
+        }
+        if (e.target !== e.currentTarget) return
+        this.options.backdrop == 'static'
+          ? this.$element[0].focus()
+          : this.hide()
+      }, this))
+
+      if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
+
+      this.$backdrop.addClass('in')
+
+      if (!callback) return
+
+      doAnimate ?
+        this.$backdrop
+          .one('bsTransitionEnd', callback)
+          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
+        callback()
+
+    } else if (!this.isShown && this.$backdrop) {
+      this.$backdrop.removeClass('in')
+
+      var callbackRemove = function () {
+        that.removeBackdrop()
+        callback && callback()
+      }
+      $.support.transition && this.$element.hasClass('fade') ?
+        this.$backdrop
+          .one('bsTransitionEnd', callbackRemove)
+          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
+        callbackRemove()
+
+    } else if (callback) {
+      callback()
+    }
+  }
+
+  // these following methods are used to handle overflowing modals
+
+  Modal.prototype.handleUpdate = function () {
+    this.adjustDialog()
+  }
+
+  Modal.prototype.adjustDialog = function () {
+    var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
+
+    this.$element.css({
+      paddingLeft: !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
+      paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
+    })
+  }
+
+  Modal.prototype.resetAdjustments = function () {
+    this.$element.css({
+      paddingLeft: '',
+      paddingRight: ''
+    })
+  }
+
+  Modal.prototype.checkScrollbar = function () {
+    var fullWindowWidth = window.innerWidth
+    if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
+      var documentElementRect = document.documentElement.getBoundingClientRect()
+      fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)
+    }
+    this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth
+    this.scrollbarWidth = this.measureScrollbar()
+  }
+
+  Modal.prototype.setScrollbar = function () {
+    var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
+    this.originalBodyPad = document.body.style.paddingRight || ''
+    var scrollbarWidth = this.scrollbarWidth
+    if (this.bodyIsOverflowing) {
+      this.$body.css('padding-right', bodyPad + scrollbarWidth)
+      $(this.fixedContent).each(function (index, element) {
+        var actualPadding = element.style.paddingRight
+        var calculatedPadding = $(element).css('padding-right')
+        $(element)
+          .data('padding-right', actualPadding)
+          .css('padding-right', parseFloat(calculatedPadding) + scrollbarWidth + 'px')
+      })
+    }
+  }
+
+  Modal.prototype.resetScrollbar = function () {
+    this.$body.css('padding-right', this.originalBodyPad)
+    $(this.fixedContent).each(function (index, element) {
+      var padding = $(element).data('padding-right')
+      $(element).removeData('padding-right')
+      element.style.paddingRight = padding ? padding : ''
+    })
+  }
+
+  Modal.prototype.measureScrollbar = function () { // thx walsh
+    var scrollDiv = document.createElement('div')
+    scrollDiv.className = 'modal-scrollbar-measure'
+    this.$body.append(scrollDiv)
+    var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
+    this.$body[0].removeChild(scrollDiv)
+    return scrollbarWidth
+  }
+
+
+  // MODAL PLUGIN DEFINITION
+  // =======================
+
+  function Plugin(option, _relatedTarget) {
+    return this.each(function () {
+      var $this = $(this)
+      var data = $this.data('bs.modal')
+      var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
+
+      if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
+      if (typeof option == 'string') data[option](_relatedTarget)
+      else if (options.show) data.show(_relatedTarget)
+    })
+  }
+
+  var old = $.fn.modal
+
+  $.fn.modal = Plugin
+  $.fn.modal.Constructor = Modal
+
+
+  // MODAL NO CONFLICT
+  // =================
+
+  $.fn.modal.noConflict = function () {
+    $.fn.modal = old
+    return this
+  }
+
+
+  // MODAL DATA-API
+  // ==============
+
+  $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
+    var $this = $(this)
+    var href = $this.attr('href')
+    var target = $this.attr('data-target') ||
+      (href && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+
+    var $target = $(document).find(target)
+    var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
+
+    if ($this.is('a')) e.preventDefault()
+
+    $target.one('show.bs.modal', function (showEvent) {
+      if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
+      $target.one('hidden.bs.modal', function () {
+        $this.is(':visible') && $this.trigger('focus')
+      })
+    })
+    Plugin.call($target, option, this)
+  })
+
+}(jQuery);