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Examples of usage of droppable and draggable in easyUI drag operation
Examples of usage of droppable and draggable in easyUI drag operation
This article mainly introduces the usage examples of droppable and draggable in easyUI drag operations. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.
The effect of this demo display is: you can drag it from above to the corresponding box below (the original one cannot be dragged anymore), and drag the things in the box outside to cancel it
----------The following is 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>
<p 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>
<p class="target">
<p class="target-cascade">
<span>级联统计指标</span>
<ul>
</ul>
</p>
<p class="target-column">
<span>列指标</span>
<ul>
</ul>
</p>
</p>
</p>
<script src="js/jquery.js"></script>
<script src="js/jquery.easyui.min.js"></script>
<script src="js/demo.js"></script>
</body>
</html>-------------The following is js code
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');
}Related recommendations:
jQuery EasyUI Tutorial-Droppable (Place)
How to use jQuery Draggable and Droppable to implement drag and drop function_jquery
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