diff options
Diffstat (limited to 'library/bootstrap/js/bootstrap.js')
-rw-r--r-- | library/bootstrap/js/bootstrap.js | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/library/bootstrap/js/bootstrap.js b/library/bootstrap/js/bootstrap.js index 5599d7165..4a4c966bb 100644 --- a/library/bootstrap/js/bootstrap.js +++ b/library/bootstrap/js/bootstrap.js @@ -420,6 +420,7 @@ var Button = function ($) { Button.prototype.toggle = function toggle() { var triggerChangeEvent = true; + var addAriaPressed = true; var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0]; if (rootElement) { @@ -444,10 +445,13 @@ var Button = function ($) { } input.focus(); + addAriaPressed = false; } } - this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE)); + if (addAriaPressed) { + this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE)); + } if (triggerChangeEvent) { $(this._element).toggleClass(ClassName.ACTIVE); @@ -1154,7 +1158,6 @@ var Collapse = function ($) { $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING); this._element.style[dimension] = 0; - this._element.setAttribute('aria-expanded', true); if (this._triggerArray.length) { $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true); @@ -1206,8 +1209,6 @@ var Collapse = function ($) { $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW); - this._element.setAttribute('aria-expanded', false); - if (this._triggerArray.length) { $(this._triggerArray).addClass(ClassName.COLLAPSED).attr('aria-expanded', false); } @@ -1273,7 +1274,6 @@ var Collapse = function ($) { Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) { if (element) { var isOpen = $(element).hasClass(ClassName.SHOW); - element.setAttribute('aria-expanded', isOpen); if (triggerArray.length) { $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen); @@ -1384,10 +1384,11 @@ var Dropdown = function ($) { var JQUERY_NO_CONFLICT = $.fn[NAME]; var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key + var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse) - var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE + '|' + SPACE_KEYCODE); + var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE); var Event = { HIDE: 'hide' + EVENT_KEY, @@ -1396,24 +1397,21 @@ var Dropdown = function ($) { SHOWN: 'shown' + EVENT_KEY, CLICK: 'click' + EVENT_KEY, CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY, - FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY, - KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY + KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY, + KEYUP_DATA_API: 'keyup' + EVENT_KEY + DATA_API_KEY }; var ClassName = { - BACKDROP: 'dropdown-backdrop', DISABLED: 'disabled', SHOW: 'show' }; var Selector = { - BACKDROP: '.dropdown-backdrop', DATA_TOGGLE: '[data-toggle="dropdown"]', FORM_CHILD: '.dropdown form', - ROLE_MENU: '[role="menu"]', - ROLE_LISTBOX: '[role="listbox"]', + MENU: '.dropdown-menu', NAVBAR_NAV: '.navbar-nav', - VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a' + VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)' }; /** @@ -1460,14 +1458,12 @@ var Dropdown = function ($) { return false; } - // set the backdrop only if the dropdown menu will be opened + // if this is a touch-enabled device we add extra + // empty mouseover listeners to the body's immediate children; + // only needed because of broken event delegation on iOS + // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) { - - // if mobile we use a backdrop because click events don't delegate - var dropdown = document.createElement('div'); - dropdown.className = ClassName.BACKDROP; - $(dropdown).insertBefore(this); - $(dropdown).on('click', Dropdown._clearMenus); + $('body').children().on('mouseover', '*', $.noop); } this.focus(); @@ -1512,7 +1508,7 @@ var Dropdown = function ($) { }; Dropdown._clearMenus = function _clearMenus(event) { - if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) { + if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) { return; } @@ -1528,7 +1524,7 @@ var Dropdown = function ($) { continue; } - if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) { + if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) { continue; } @@ -1538,10 +1534,10 @@ var Dropdown = function ($) { continue; } - // remove backdrop only if the dropdown menu will be hidden - var backdrop = $(parent).find(Selector.BACKDROP)[0]; - if (backdrop) { - backdrop.parentNode.removeChild(backdrop); + // if this is a touch-enabled device we remove the extra + // empty mouseover listeners we added for iOS support + if ('ontouchstart' in document.documentElement) { + $('body').children().off('mouseover', '*', $.noop); } toggles[i].setAttribute('aria-expanded', 'false'); @@ -1562,7 +1558,7 @@ var Dropdown = function ($) { }; Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) { - if (!REGEXP_KEYDOWN.test(event.which) || /input|textarea/i.test(event.target.tagName)) { + if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) { return; } @@ -1576,7 +1572,7 @@ var Dropdown = function ($) { var parent = Dropdown._getParentFromElement(this); var isActive = $(parent).hasClass(ClassName.SHOW); - if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) { + if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) { if (event.which === ESCAPE_KEYCODE) { var toggle = $(parent).find(Selector.DATA_TOGGLE)[0]; @@ -1628,7 +1624,7 @@ var Dropdown = function ($) { * ------------------------------------------------------------------------ */ - $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { + $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { e.stopPropagation(); }); @@ -1928,6 +1924,7 @@ var Modal = function ($) { if (this._isShown && this._config.keyboard) { $(this._element).on(Event.KEYDOWN_DISMISS, function (event) { if (event.which === ESCAPE_KEYCODE) { + event.preventDefault(); _this13.hide(); } }); |