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This commit is contained in:
Mark Otto
2017-03-19 19:03:32 -07:00
parent b836371525
commit e506e59c45
10 changed files with 146 additions and 92 deletions
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30
js/dist/dropdown.js vendored
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@@ -90,15 +90,6 @@ var Dropdown = function ($) {
return false;
}
if ('ontouchstart' in document.documentElement && !$(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);
$(dropdown).on('click', Dropdown._clearMenus);
}
var relatedTarget = {
relatedTarget: this
};
@@ -110,6 +101,16 @@ var Dropdown = function ($) {
return false;
}
// set the backdrop only if the dropdown menu will be opened
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);
$(dropdown).on('click', Dropdown._clearMenus);
}
this.focus();
this.setAttribute('aria-expanded', true);
@@ -156,11 +157,6 @@ var Dropdown = function ($) {
return;
}
var backdrop = $(Selector.BACKDROP)[0];
if (backdrop) {
backdrop.parentNode.removeChild(backdrop);
}
var toggles = $.makeArray($(Selector.DATA_TOGGLE));
for (var i = 0; i < toggles.length; i++) {
@@ -183,6 +179,12 @@ 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);
}
toggles[i].setAttribute('aria-expanded', 'false');
$(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));