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Dropdown handle keydown on input and textarea.

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This commit is contained in:
Pierre-Denis Vanduynslager 2017-01-21 07:17:34 +02:00 committed by XhmikosR
parent d51a6c8db3
commit 6fe72c6de8
2 changed files with 165 additions and 7 deletions
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26
js/src/dropdown.js
View File

@ -62,6 +62,11 @@ const Dropdown = (($) => {
const Selector = {
DATA_TOGGLE : '[data-toggle="dropdown"]',
FORM_CHILD : '.dropdown form',
<<<<<<< HEAD
=======
ROLE_MENU : '[role="menu"]',
ROLE_LISTBOX : '[role="listbox"]',
>>>>>>> Dropdown handle keydown on input and textarea
MENU : '.dropdown-menu',
NAVBAR_NAV : '.navbar-nav',
VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'
@ -357,8 +362,17 @@ const Dropdown = (($) => {
}
static _dataApiKeydownHandler(event) {
if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||
/input|textarea/i.test(event.target.tagName)) {
// If not input/textarea:
// - And not a key in REGEXP_KEYDOWN => not a dropdown command
// If input/textarea:
// - If space key => not a dropdown command
// - If key is other than excape
// - If key is not up or down => not a dropdown command
// - If trigger inside the menu => not a dropdown command
if (/input|textarea/i.test(event.target.tagName) ?
event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&
(event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||
$(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
return
}
@ -418,6 +432,7 @@ const Dropdown = (($) => {
$(document)
.on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler)
<<<<<<< HEAD
.on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)
.on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)
.on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
@ -425,6 +440,13 @@ const Dropdown = (($) => {
event.stopPropagation()
Dropdown._jQueryInterface.call($(this), 'toggle')
})
=======
.on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler)
.on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler)
.on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)
.on(`${Event.CLICK_DATA_API} ${Event.FOCUSIN_DATA_API}`, Dropdown._clearMenus)
.on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle)
>>>>>>> Dropdown handle keydown on input and textarea
.on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {
e.stopPropagation()
})

146
js/tests/unit/dropdown.js
View File

@ -457,8 +457,8 @@ $(function () {
$dropdown.trigger('click')
})
QUnit.test('should ignore keyboard events within <input>s and <textarea>s', function (assert) {
assert.expect(3)
QUnit.test('should ignore keyboard events for <input>s and <textarea>s within dropdown-menu, except for escape key', function (assert) {
assert.expect(8)
var done = assert.async()
var dropdownHTML = '<div class="tabs">'
@ -487,11 +487,27 @@ $(function () {
.on('shown.bs.dropdown', function () {
assert.ok(true, 'shown was fired')
$input.trigger('focus').trigger($.Event('keydown', { which: 38 }))
assert.ok($(document.activeElement).is($input), 'input still focused')
// Space key
$input.trigger('focus').trigger($.Event('keydown', { which: 32 }))
assert.ok($(document.activeElement)[0] === $input[0], 'input still focused')
$textarea.trigger('focus').trigger($.Event('keydown', { which: 32 }))
assert.ok($(document.activeElement)[0] === $textarea[0], 'textarea still focused')
// Key up
$input.trigger('focus').trigger($.Event('keydown', { which: 38 }))
assert.ok($(document.activeElement)[0] === $input[0], 'input still focused')
$textarea.trigger('focus').trigger($.Event('keydown', { which: 38 }))
assert.ok($(document.activeElement).is($textarea), 'textarea still focused')
assert.ok($(document.activeElement)[0] === $textarea[0], 'textarea still focused')
// Key down
$input.trigger('focus').trigger($.Event('keydown', { which: 40 }))
assert.ok($(document.activeElement)[0] === $input[0], 'input still focused')
$textarea.trigger('focus').trigger($.Event('keydown', { which: 40 }))
assert.ok($(document.activeElement)[0] === $textarea[0], 'textarea still focused')
// Key escape
$input.trigger('focus').trigger($.Event('keydown', { which: 27 }))
assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is not shown')
done()
})
@ -499,6 +515,126 @@ $(function () {
$dropdown.trigger('click')
})
QUnit.test('should ignore space key events for <input>s within dropdown, and accept up, down and escape', function (assert) {
assert.expect(6)
var done = assert.async()
var dropdownHTML = '<ul class="tabs">'
+ '<li class="dropdown">'
+ '<input type="text" id="input" data-toggle="dropdown">'
+ '<ul class="dropdown-menu" role="menu">'
+ '<li><a id="item1" href="#">Secondary link</a></li>'
+ '<li><a id="item2" href="#">Something else here</a></li>'
+ '<li class="divider"/>'
+ '<li><a href="#">Another link</a></li>'
+ '</ul>'
+ '</li>'
+ '</ul>'
var $dropdown = $(dropdownHTML)
.appendTo('#qunit-fixture')
.find('[data-toggle="dropdown"]')
.bootstrapDropdown()
var $input = $('#input')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
assert.ok(true, 'shown was fired')
// Key space
$input.trigger('focus').trigger($.Event('keydown', { which: 32 }))
assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
assert.ok($(document.activeElement).is($input), 'input is still focused')
// Key escape
$input.trigger('focus').trigger($.Event('keydown', { which: 27 }))
assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is not shown')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
// Key down
$input.trigger('focus').trigger($.Event('keydown', { which: 40 }))
assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
// Key up
$input.trigger('focus').trigger($.Event('keydown', { which: 38 }))
assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
done()
}).bootstrapDropdown('toggle')
$input.trigger('click')
})
$input.trigger('click')
})
$input.trigger('click')
})
QUnit.test('should ignore space key events for <textarea>s within dropdown, and accept up, down and escape', function (assert) {
assert.expect(6)
var done = assert.async()
var dropdownHTML = '<ul class="tabs">'
+ '<li class="dropdown">'
+ '<textarea id="textarea" data-toggle="dropdown"></textarea>'
+ '<ul class="dropdown-menu" role="menu">'
+ '<li><a id="item1" href="#">Secondary link</a></li>'
+ '<li><a id="item2" href="#">Something else here</a></li>'
+ '<li class="divider"/>'
+ '<li><a href="#">Another link</a></li>'
+ '</ul>'
+ '</li>'
+ '</ul>'
var $dropdown = $(dropdownHTML)
.appendTo('#qunit-fixture')
.find('[data-toggle="dropdown"]')
.bootstrapDropdown()
var $textarea = $('#textarea')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
assert.ok(true, 'shown was fired')
// Key space
$textarea.trigger('focus').trigger($.Event('keydown', { which: 32 }))
assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
assert.ok($(document.activeElement).is($textarea), 'textarea is still focused')
// Key escape
$textarea.trigger('focus').trigger($.Event('keydown', { which: 27 }))
assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is not shown')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
// Key down
$textarea.trigger('focus').trigger($.Event('keydown', { which: 40 }))
assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
$dropdown
.parent('.dropdown')
.one('shown.bs.dropdown', function () {
// Key up
$textarea.trigger('focus').trigger($.Event('keydown', { which: 38 }))
assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
done()
}).bootstrapDropdown('toggle')
$textarea.trigger('click')
})
$textarea.trigger('click')
})
$textarea.trigger('click')
})
QUnit.test('should skip disabled element when using keyboard navigation', function (assert) {
assert.expect(2)
var done = assert.async()