[英]Bootstrap multilevel dropdown slide effect?
我在Bootstrap項目中創建了一個多級下拉菜單。 我需要它,以便下拉菜單可以滑動。 我該怎么做?
我已經完成了以下代碼,但是需要添加它。 代碼是這樣的:
我已經閱讀了此答案以嘗試將其與當前的解決方案一起使用,但我不知道如何使其正常工作: https : //stackoverflow.com/a/19339162/1934402
我敢肯定它有更多規范,但是您明白了。 這也是我制作的jsfiddle: http : //jsfiddle.net/hhb9u7db/
例如,我將“ 收藏夾”鏈接設為一個下拉列表,而將T恤衫作為另一個下拉列表。 我希望它能像現在一樣正常工作,只是它會滑動。
$(function() {
$('.dropdown').on({
"click": function(event) {
if ($(event.target).closest('.dropdown-toggle').length && $(this).parents('.dropdown').length === ($(event.target).parents('.dropdown').length - 1)) {
$(this).data('closable', true);
} else {
$(this).data('closable', false);
}
},
"hide.bs.dropdown": function(event) {
hide = $(this).data('closable');
$(this).data('closable', true);
return hide;
}
});
});
你的小提琴對我來說還不是很清楚。 您的導航欄沒有.navbar
類,您的導航菜單沒有.navbar-nav
。
您可以嘗試添加如下所示的CSS代碼:
.dropdown-menu,
.open > .dropdown-menu,
.dropdown-menu,
.open > .dropdown-menu .dropdown-menu {
display: block;
max-height: 0;
overflow-y:hidden;
visibility: hidden;
-webkit-transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
-moz-transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
-o-transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
max-width: 100%;
}
.navbar-nav > li.open > .dropdown-menu,
.nav-pills > li.open > .dropdown-menu,
.nav-pills > li.open > .dropdown-menu .open .dropdown-menu {
max-height: 500px;
display: block;
visibility: visible;
-webkit-transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
-moz-transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
-o-transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
-webkit-transition-delay: 0s;
-moz-transition-delay: 0s;
-o-transition-delay: 0s;
transition-delay: 0s;
}
演示: http : //jsfiddle.net/hhb9u7db/1/
資源:
對於Bootstrap默認導航欄,可以使用以下Less代碼:
.dropdown-menu, .open > .dropdown-menu,
{
display:block;
max-height: 0;
overflow-y:hidden;
visibility:hidden;
transition:max-height 2s ease-in-out, visibility 1.8s ease-in;
max-width: 100%;
}
.navbar-nav > li.open > .dropdown-menu,
{
max-height: 500px;
display:block;
visibility:visible;
transition:max-height 2s ease-in-out, visibility 0s linear 0.5s;
transition-delay:0s;
}
使用autoprefix插件編譯為以下CSS代碼( lessc --autoprefix="Android 2.3,Android >= 4,Chrome >= 20,Firefox >= 24,Explorer >= 8,iOS >= 6,Opera >= 12,Safari >= 6"
):
.dropdown-menu,
.open > .dropdown-menu {
display: block;
max-height: 0;
overflow-y:hidden;
visibility: hidden;
-webkit-transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
-o-transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
transition: max-height 2s ease-in-out, visibility 1.8s ease-in;
max-width: 100%;
}
.navbar-nav > li.open > .dropdown-menu {
max-height: 500px;
display: block;
visibility: visible;
-webkit-transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
-o-transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
transition: max-height 2s ease-in-out, visibility 0s linear 0.5s;
-webkit-transition-delay: 0s;
-o-transition-delay: 0s;
transition-delay: 0s;
}
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