Add `show` and `hide` methods to dropdown (#27370)
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galczo5
XhmikosR
parent
5088f02730
commit
6cbcd03efb
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@ -194,6 +194,52 @@ class Dropdown {
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.trigger($.Event(Event.SHOWN, relatedTarget))
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}
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show() {
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if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED) || $(this._menu).hasClass(ClassName.SHOW)) {
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return
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}
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const relatedTarget = {
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relatedTarget: this._element
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}
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const showEvent = $.Event(Event.SHOW, relatedTarget)
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const parent = Dropdown._getParentFromElement(this._element)
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$(parent).trigger(showEvent)
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if (showEvent.isDefaultPrevented()) {
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return
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}
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$(this._menu).toggleClass(ClassName.SHOW)
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$(parent)
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.toggleClass(ClassName.SHOW)
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.trigger($.Event(Event.SHOWN, relatedTarget))
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}
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hide() {
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if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED) || !$(this._menu).hasClass(ClassName.SHOW)) {
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return
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}
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const relatedTarget = {
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relatedTarget: this._element
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}
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const hideEvent = $.Event(Event.HIDE, relatedTarget)
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const parent = Dropdown._getParentFromElement(this._element)
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$(parent).trigger(hideEvent)
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if (hideEvent.isDefaultPrevented()) {
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return
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}
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$(this._menu).toggleClass(ClassName.SHOW)
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$(parent)
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.toggleClass(ClassName.SHOW)
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.trigger($.Event(Event.HIDDEN, relatedTarget))
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}
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dispose() {
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$.removeData(this._element, DATA_KEY)
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$(this._element).off(EVENT_KEY)
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@ -1097,4 +1097,268 @@ $(function () {
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assert.ok(dropdown._menu === null)
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assert.ok(dropdown._element === null)
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})
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QUnit.test('should show dropdown', function (assert) {
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assert.expect(2)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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var done = assert.async()
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$dropdown
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.parent('.dropdown')
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.on('show.bs.dropdown', function () {
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assert.ok(true, 'show was fired')
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})
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.on('shown.bs.dropdown', function () {
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assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
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done()
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})
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dropdown.show()
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})
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QUnit.test('should hide dropdown', function (assert) {
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assert.expect(2)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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var done = assert.async()
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$dropdown.trigger('click')
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$dropdown
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.parent('.dropdown')
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.on('hide.bs.dropdown', function () {
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assert.ok(true, 'hide was fired')
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})
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.on('hidden.bs.dropdown', function () {
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assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is hidden')
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done()
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})
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dropdown.hide()
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})
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QUnit.test('should not hide dropdown', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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$dropdown.trigger('click')
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dropdown.show()
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assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is still shown')
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})
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QUnit.test('should not show dropdown', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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dropdown.hide()
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assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is still hidden')
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})
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QUnit.test('should show dropdown', function (assert) {
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assert.expect(2)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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var done = assert.async()
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$dropdown
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.parent('.dropdown')
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.on('show.bs.dropdown', function () {
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assert.ok(true, 'show was fired')
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})
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.on('shown.bs.dropdown', function () {
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assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
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done()
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})
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dropdown.show()
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})
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QUnit.test('should prevent default event on show method call', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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var done = assert.async()
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$dropdown
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.parent('.dropdown')
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.on('show.bs.dropdown', function (event) {
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event.preventDefault()
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done()
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})
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dropdown.show()
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assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is hidden')
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})
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QUnit.test('should prevent default event on hide method call', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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var $dropdown = $(dropdownHTML)
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.appendTo('#qunit-fixture')
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.find('[data-toggle="dropdown"]')
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.bootstrapDropdown()
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var dropdown = $dropdown.data('bs.dropdown')
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var done = assert.async()
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$dropdown.trigger('click')
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$dropdown
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.parent('.dropdown')
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.on('hide.bs.dropdown', function (event) {
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event.preventDefault()
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done()
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})
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dropdown.hide()
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assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
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})
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QUnit.test('should not open dropdown via show method if target is disabled via attribute', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <button disabled href="#" class="btn dropdown-toggle" data-toggle="dropdown">Dropdown</button>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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$(dropdownHTML).appendTo('#qunit-fixture')
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var $dropdown = $('#qunit-fixture').find('[data-toggle="dropdown"]').bootstrapDropdown()
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$dropdown.show()
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assert.ok(!$dropdown.parent('.dropdown').hasClass('show'))
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})
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QUnit.test('should not open dropdown via show method if target is disabled via class', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown">' +
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' <button href="#" class="btn dropdown-toggle disabled" data-toggle="dropdown">Dropdown</button>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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$(dropdownHTML).appendTo('#qunit-fixture')
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var $dropdown = $('#qunit-fixture').find('[data-toggle="dropdown"]').bootstrapDropdown()
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$dropdown.show()
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assert.ok(!$dropdown.parent('.dropdown').hasClass('show'))
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})
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QUnit.test('should not hide dropdown via hide method if target is disabled via attribute', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown show">' +
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' <button disabled href="#" class="btn dropdown-toggle" data-toggle="dropdown">Dropdown</button>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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$(dropdownHTML).appendTo('#qunit-fixture')
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var $dropdown = $('#qunit-fixture').find('[data-toggle="dropdown"]').bootstrapDropdown()
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$dropdown.hide()
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assert.ok($dropdown.parent('.dropdown').hasClass('show'))
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})
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QUnit.test('should not hide dropdown via hide method if target is disabled via class', function (assert) {
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assert.expect(1)
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var dropdownHTML =
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'<div class="dropdown show">' +
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' <button href="#" class="btn dropdown-toggle disabled" data-toggle="dropdown">Dropdown</button>' +
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' <div class="dropdown-menu">' +
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' <a class="dropdown-item" href="#">Another link</a>' +
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' </div>' +
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'</div>'
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$(dropdownHTML).appendTo('#qunit-fixture')
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var $dropdown = $('#qunit-fixture').find('[data-toggle="dropdown"]').bootstrapDropdown()
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$dropdown.hide()
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assert.ok($dropdown.parent('.dropdown').hasClass('show'))
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})
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})
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@ -839,6 +839,8 @@ Note when `boundary` is set to any value other than `'scrollParent'`, the style
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| Method | Description |
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| --- | --- |
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| `$().dropdown('toggle')` | Toggles the dropdown menu of a given navbar or tabbed navigation. |
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| `$().dropdown('show')` | Shows the dropdown menu of a given navbar or tabbed navigation. |
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| `$().dropdown('hide')` | Hides the dropdown menu of a given navbar or tabbed navigation. |
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| `$().dropdown('update')` | Updates the position of an element's dropdown. |
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| `$().dropdown('dispose')` | Destroys an element's dropdown. |
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