我在父手风琴中有一个手风琴列表,例如:
<div id="parentAccordion" class="card-accordion">
<div class="card">
<div class="card-header bg-black text-white pointer-cursor">
<div class="row">
<div style="font-size:16px">Custom - <span data-bind="text:$root.nameSelected"></span></div>
</div>
</div>
<div id="parentBody" class="collapse show" data-parent="#parentAccordion" style="background-color: #d9e0e7">
<!-- begin #accordion -->
<div id="oAccordion" class="card-accordion">
<!-- begin card -->
<div class="card" data-bind="foreach:$root.fbolist">
<div style="padding: 3px">
<div class="card-header bg-black text-white pointer-cursor" data-toggle="collapse" data-bind="attr: { href: '#O'+CourseId(), title: cName }">
<i class="fa fa-caret-right"></i>
<span data-bind="text:cName">NAME</span>
</div>
<div class="collapse" data-bind="attr:{'id':'O'+CourseId()}" data-parent="#oBody">
<div class="card-body white text-justify">
<!-- body here -->
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
我正在尝试在展开为插入符号和折叠为右插入符号时更改图标。一次只能展开子列表(fbolist(中的一个手风琴,折叠其他手风琴。我用这个js来更改图标:
$('.collapse').on('shown.bs.collapse', function () {
$(this).parent().find(".fa-caret-right").removeClass("fa-caret-right").addClass("fa-caret-down");
}).on('hidden.bs.collapse', function () {
$(this).parent().find(".fa-caret-down").removeClass("fa-caret-down").addClass("fa-caret-right");
});
但它会更改 Knockout foreach 内其余手风琴的所有图标.有没有办法在只有一个展开时不将所有图标更改为插入符号?它应该只有这个图标是展开的图标和其他右插入符号
可以创建自定义绑定处理程序以仅针对折叠/展开元素:
ko.bindingHandlers['collapse'] = {
init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
$(element).on('shown.bs.collapse', function () {
$(element).parent().find(".fa-caret-right").removeClass("fa-caret-right").addClass("fa-caret-down");
}).on('hidden.bs.collapse', function () {
$(element).parent().find(".fa-caret-down").removeClass("fa-caret-down").addClass("fa-caret-right");
});
}
};
然后应用于具有collapse
类的元素。
<div class="collapse" data-bind="attr:{'id':'O'+CourseId()}, collapse" data-parent="#oBody">
<div class="card-body white text-justify">
<!-- body here -->
</div>
</div>
$('.collapse').on('click',".pointer-cursor", function () {
$(this).find(".fa-caret-right").removeClass("fa-caret-right").addClass("fa-caret-down");
$(this).parents(".card").siblings().find(".fa-caret-down").attr("class", " fas fa-caret-right");
});