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我在拖动用户拖拽角色的拖拽操作。我知道我是如何获取用户ID和目标角色ID的,但我不知道如何获取用户被拖动到的FROM角色ID!JQuery UI:在drag'n'dop中获取源元素的ID
<div id="role_1" class="role">
<h5>Administrator</h5>
<ul class="users">
<li id="user_1">Foo</li>
<li id="user_2">Bar</li>
</ul>
</div>
<div id="role_2" class="role">
<h5>Member</h5>
<ul class="users">
<li id="user_1337">Baz</li>
</ul>
</div>
<script type="text/javascript">
$(function() {
// Get roles and users lists
var $templates = $(".role"),
$users = $(".users");
// let the user items be draggable
$("li", $users).draggable({
revert: "invalid", // when not dropped, the item will revert back to its initial position
containment: "document",
helper: "clone",
cursor: "move"
});
// let the roles be droppable, accepting the user items
$templates.droppable({
accept: ".users > li",
activeClass: "ui-state-highlight",
drop: function(event, ui) {
var $uid = ui.draggable.attr("id"),
$targetRid = $(this).attr("id"),
$sourceRid = ???;
// snip
}
});
});
</script>
感谢您的帮助提前。
感谢那些给我我所需要的暗示......我只是做了'ui.draggable.closest(“角色”。 ).attr(“id”)'在droppable的放置事件中;) –
@ Hikaru-Shindo:啊,当然是。好一个!因为这与我的回答截然不同,所以您可能希望将其作为自己的答案发布,并在两天内接受。这在这里完全没问题。当然,你的电话。无论如何,很高兴有帮助! –