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: / var / canvas / node_modules / jquery-kyle-menu /
Filename : monkey-patches.js
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/*
 * Copyright (C) 2011 - present Instructure, Inc.
 *
 * This file is part of Canvas.
 *
 * Canvas 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 of the License.
 *
 * Canvas 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/>.
 */

/*
 * jQuery UI Input Menu Extension
 *
 * Copyright 2010, Kris Borchers
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * http://github.com/kborchers/jquery-ui-extensions
 */
import $ from 'jquery'
import 'jqueryui/menu'

const proto = $.ui.menu.prototype,
  originalRefresh = proto.refresh

$.extend(proto, {
  refresh() {
    originalRefresh.call(this)
    const that = this
    const items = this.element.find('li.ui-menu-item')
    let inputGroupLabeled = false

    this.element.bind('click.menu', function (event) {
      if (!new RegExp(/^a$/i).test(event.target.tagName)) event.preventDefault()
    })

    let inputIDCount = 0
    this.element.find("input[type='checkbox'], input[type='radio']").each(function () {
      const labelElement = $(this).closest('label')
      if (labelElement.length) {
        $(this).insertBefore(labelElement)

        if (!$(this).attr('id')) {
          $(this).attr('id', 'ui-input-' + inputIDCount++)
        }

        labelElement.attr('for', $(this).attr('id'))
      }
    })
    this.element.bind('menufocus', function (event) {
      const textInput = $(event.target).find('a.ui-state-focus').children("input[type='text']")
      if (textInput.length) textInput[0].focus()
    })
    // INSTRUCTURE
    this.element
      .bind('popupopen', function (event) {
        const selected = $(event.target).find('input[type=radio][checked]').closest('.ui-menu-item')
        if (selected.length) {
          setTimeout(function () {
            that.focus(event, selected)
          }, 0)
        }
      })
      .bind('menublur', function (event) {
        const textInput = $(event.target).find("input[type='text']:focus")
        if (textInput.length) textInput[0].blur()
      })

    items.children('a').each(function (index, item) {
      const current = $(item),
        parent = current.parent()

      if (current.children().is("input[type='checkbox'], input[type='radio']")) {
        current.closest('ul').addClass('ui-menu-icons')

        if (current.children("input[type='checkbox']").is(':checked')) {
          current.prepend('<span class="ui-icon ui-icon-check"></span>')
          parent.attr({
            role: 'menuitemcheckbox',
            'aria-checked': 'true',
          })
        } else if (current.children("input[type='radio']").is(':checked')) {
          current.prepend('<span class="ui-icon ui-icon-radio-on"></span>')
          parent.attr({
            role: 'menuitemradio',
            'aria-checked': 'true',
          })
        } else if (current.children("input[type='radio']").length) {
          current.prepend('<span class="ui-icon ui-icon-radio-off"></span>')
          parent.attr({
            role: 'menuitemradio',
            'aria-checked': 'false',
          })
        } else {
          parent.attr({
            role: 'menuitemcheckbox',
            'aria-checked': 'false',
          })
        }

        if (current.children().is("input[type='radio']")) {
          parent.attr('radio-group', current.children("input[type='radio']").attr('name'))
        }

        if (parent.prev().length && !parent.prev().children('a').length) {
          parent
            .prev()
            .addClass('ui-state-disabled')
            .html("<span class='ui-menu-input-group'>" + parent.prev().html() + '</span>')
            .bind('click.menu', function (event) {
              return false
            })
            .after('<li><hr /></li>')
          inputGroupLabeled = true
        } else if (
          parent.prev().length &&
          !parent.prev().children('a').children().is("input[type='checkbox'], input[type='radio']")
        ) {
          parent.before('<li><hr /></li>')
        }

        if (
          inputGroupLabeled &&
          parent.next().length &&
          !parent.next().children('a').children().is("input[type='checkbox'], input[type='radio']")
        ) {
          parent.after('<li><hr /></li>')
          inputGroupLabeled = false
        } else if (
          parent.next().length &&
          !parent.next().children('a').children().is("input[type='checkbox'], input[type='radio']")
        ) {
          parent.after('<li><hr /></li>')
        }

        current.children("input[type='checkbox'], input[type='radio']").hide()
      }
    })

    items.bind('keydown.menu', function (event) {
      if (event.keyCode === $.ui.keyCode.SPACE) {
        if (
          that.active.children('a').children().is("input[type='checkbox'], input[type='radio']")
        ) {
          that.select(event)
          event.stopImmediatePropagation()
        }
        event.preventDefault()
      }
    })

    items
      .find("input[type='text']")
      .bind('keydown', function (event) {
        event.stopPropagation()
        if (event.keyCode === $.ui.keyCode.UP) {
          that.element.trigger('focus')
          this.blur()
          that.focus(event, $(this).closest('.ui-menu-item').prev())
        }
        if (event.keyCode === $.ui.keyCode.DOWN) {
          that.element.trigger('focus')
          this.blur()
          that.focus(event, $(this).closest('.ui-menu-item').next())
        }
      })
      .bind('click', function (event) {
        event.stopPropagation()
      })
  },
  select(event) {
    // Save active reference before collapseAll triggers blur
    const ui = {
      // Selecting a menu item removes the active item causing multiple clicks to be missing an item
      item: this.active || $(event.target).closest('.ui-menu-item'),
    }

    if (ui.item.children('a').children().is("input[type='checkbox']")) {
      if (ui.item.attr('aria-checked') === 'false') {
        ui.item.children('a').prepend('<span class="ui-icon ui-icon-check"></span>')
        ui.item.attr('aria-checked', 'true')
        ui.item
          .children('a')
          .children("input[type='checkbox']")
          .prop('checked', 'checked')
          .trigger('change')
      } else if (ui.item.attr('aria-checked') === 'true') {
        ui.item.children('a').children('span.ui-icon-check').remove()
        ui.item.attr('aria-checked', 'false')
        ui.item
          .children('a')
          .children("input[type='checkbox']")
          .removeAttr('checked')
          .trigger('change')
      }
    }

    if (ui.item.children('a').children().is("input[type='radio']")) {
      if (ui.item.attr('aria-checked') === 'false') {
        ui.item
          .children('a')
          .children('span.ui-icon-radio-off')
          .toggleClass('ui-icon-radio-on ui-icon-radio-off')
        ui.item.attr('aria-checked', 'true')
        ui.item
          .children('a')
          .children("input[type='radio']")
          .prop('checked', 'checked')
          .trigger('change')
        ui.item.siblings('[radio-group=' + $(ui.item).attr('radio-group') + ']').each(function () {
          $(this).attr('aria-checked', 'false')
          $(this)
            .children('a')
            .children('span.ui-icon-radio-on')
            .toggleClass('ui-icon-radio-on ui-icon-radio-off')
          $(this).children('a').children("input[type='radio']").removeAttr('checked')
        })
      }
    }

    if (!ui.item.children('a').children().is("input[type='checkbox'], input[type='radio']"))
      this.collapseAll()
    this._trigger('select', event, ui)
  },
})