这个demo展示的效果为:从上面可以拖动到下面相应的框中(原有的不能再拖动),拖动框中的东西到外面可以取消
-----------以下为HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title></title>
<link rel="stylesheet" type="text/css" href="css/bootstrap-3.3.5/css/bootstrap.min.css" rel="external nofollow" >
<link rel="stylesheet" type="text/css" href="css/easyui.css" rel="external nofollow" >
<link rel="stylesheet" type="text/css" href="css/icon.css" rel="external nofollow" >
<link rel="stylesheet" href="css/demo.css" rel="external nofollow" >
</head>
<body>
<div class="container">
<ul class="items">
<li class="category">
<i></i>
<span>品类</span>
</li>
<li class="factory">
<i></i>
<span>工厂</span>
</li>
<li class="with-high">
<i></i>
<span>跟高</span>
</li>
<li class="with-type">
<i></i>
<span>跟型</span>
</li>
<li class="price">
<i></i>
<span>单价</span>
</li>
</ul>
<div class="target">
<div class="target-cascade">
<span>级联统计指标</span>
<ul>
</ul>
</div>
<div class="target-column">
<span>列指标</span>
<ul>
</ul>
</div>
</div>
</div>
<script src="js/jquery.js"></script>
<script src="js/jquery.easyui.min.js"></script>
<script src="js/demo.js"></script>
</body>
</html>
-------------以下为js代码
var tab = [];
$('.items li').draggable({
proxy: 'clone',
revert: true
});
// 级联统计指标放置区
$('.target-cascade').droppable({
onDragEnter: function(e,source){
$(this).css('border','1px solid red');
},
onDragLeave: function(e,source){
$(this).css('border','1px solid black');
},
onDrop: function(e,source){
// 判断拖动的元素是否存在于放置区内
if($(source).draggable('options').proxy === 'clone'){
// 禁用拖动
NotDrag(source);
// 将拖入元素的原位置记录下来
var buttonName = $(source).find('span').html();
console.log("--------"+$(source).index());
tab[buttonName] = $(source).index();//返回指定元素相对于其他元素的位置(0,1等),如果没有找到,则返回-1
var Ele = $('<li class='+ $(source)[0].className +'><button>'+ buttonName +'</button></li>');
Ele.appendTo('.target-cascade ul');
}
$(this).css('border','1px solid black');
// 拖动放置区内的元素
$(this).find('button').draggable({
revert: true,
onStopDrag: function(e){
var _index = tab[$(this).html()];
$(this).parent().remove();
$('.items li:eq('+_index+')').draggable('enable');
$('.items li:eq('+_index+')').find('i').css('backgroundColor','red');
}
});
}
});
// 列指标放置区
$('.target-column').droppable({
onDragEnter: function(e,source){
$(this).css('border','1px solid red');
},
onDragLeave: function(e,source){
$(this).css('border','1px solid black');
},
onDrop: function(e,source){
// 判断拖动的元素是否存在于放置区内
if($(source).draggable('options').proxy === 'clone'){
// 禁用拖动
NotDrag(source);
var buttonName = $(source).find('span').html();
tab[buttonName] = $(source).index();
var Ele = $('<li class='+ $(source)[0].className +'><button>'+ buttonName +'</button><select><option value ="show">显示</option>'+
'<option value ="sum">求和</option><option value ="count">计数</option></select></li>');
Ele.appendTo('.target-column ul');
}
$(this).css('border','1px solid black');
// 拖动放置区内的元素
$(this).find('button').draggable({
revert: true,
onDrag: function(e){
$(e.data.parent).find('select').hide();
},
onStopDrag: function(e){
var _index = tab[$(this).html()];
$(this).parent().remove();
$('.items li:eq('+_index+')').draggable('enable');
$('.items li:eq('+_index+')').find('i').css('backgroundColor','red');
$(e.target).siblings('select').show();
}
});
}
});
//禁止拖动
function NotDrag(source){
$(source).draggable('disable');//禁用拖动动作
$(source).find('i').css('backgroundColor','grey');
}