mirror of
https://github.com/photonstorm/phaser
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165 lines
4.1 KiB
JavaScript
165 lines
4.1 KiB
JavaScript
/* ============================================================
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* bootstrap-dropdown.js v2.3.1
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* http://twitter.github.com/bootstrap/javascript.html#dropdowns
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* ============================================================
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* Copyright 2012 Twitter, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ============================================================ */
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!function ($) {
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"use strict"; // jshint ;_;
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/* DROPDOWN CLASS DEFINITION
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* ========================= */
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var toggle = '[data-toggle=dropdown]'
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, Dropdown = function (element) {
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var $el = $(element).on('click.dropdown.data-api', this.toggle)
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$('html').on('click.dropdown.data-api', function () {
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$el.parent().removeClass('open')
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})
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}
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Dropdown.prototype = {
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constructor: Dropdown
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, toggle: function (e) {
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var $this = $(this)
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, $parent
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, isActive
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if ($this.is('.disabled, :disabled')) return
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$parent = getParent($this)
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isActive = $parent.hasClass('open')
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clearMenus()
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if (!isActive) {
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$parent.toggleClass('open')
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}
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$this.focus()
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return false
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}
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, keydown: function (e) {
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var $this
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, $items
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, $active
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, $parent
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, isActive
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, index
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if (!/(38|40|27)/.test(e.keyCode)) return
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$this = $(this)
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e.preventDefault()
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e.stopPropagation()
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if ($this.is('.disabled, :disabled')) return
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$parent = getParent($this)
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isActive = $parent.hasClass('open')
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if (!isActive || (isActive && e.keyCode == 27)) {
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if (e.which == 27) $parent.find(toggle).focus()
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return $this.click()
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}
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$items = $('[role=menu] li:not(.divider):visible a', $parent)
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if (!$items.length) return
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index = $items.index($items.filter(':focus'))
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if (e.keyCode == 38 && index > 0) index-- // up
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if (e.keyCode == 40 && index < $items.length - 1) index++ // down
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if (!~index) index = 0
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$items
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.eq(index)
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.focus()
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}
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}
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function clearMenus() {
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$(toggle).each(function () {
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getParent($(this)).removeClass('open')
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})
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}
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function getParent($this) {
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var selector = $this.attr('data-target')
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, $parent
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if (!selector) {
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selector = $this.attr('href')
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selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
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}
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$parent = selector && $(selector)
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if (!$parent || !$parent.length) $parent = $this.parent()
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return $parent
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}
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/* DROPDOWN PLUGIN DEFINITION
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* ========================== */
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var old = $.fn.dropdown
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$.fn.dropdown = function (option) {
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return this.each(function () {
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var $this = $(this)
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, data = $this.data('dropdown')
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if (!data) $this.data('dropdown', (data = new Dropdown(this)))
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if (typeof option == 'string') data[option].call($this)
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})
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}
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$.fn.dropdown.Constructor = Dropdown
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/* DROPDOWN NO CONFLICT
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* ==================== */
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$.fn.dropdown.noConflict = function () {
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$.fn.dropdown = old
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return this
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}
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/* APPLY TO STANDARD DROPDOWN ELEMENTS
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* =================================== */
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$(document)
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.on('click.dropdown.data-api', clearMenus)
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.on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
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.on('click.dropdown-menu', function (e) { e.stopPropagation() })
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.on('click.dropdown.data-api' , toggle, Dropdown.prototype.toggle)
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.on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
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}(window.jQuery);
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