- 支持tag的拖动排序
- 支持tag的添加
- 支持tag的删除
- 支持tag的搜索
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>拖拽代码参考</title>
<style>
.column {
height: 200px;
width: 200px;
float: left;
border: 1px solid black;
background-color: green;
margin-right: 5px;
text-align: center;
cursor: move;
}
.column header {
color: black;
text-shadow: #000 0 1px;
box-shadow: 5px;
padding: 5px;
background: red;
border-bottom: 1px solid black;
}
.column.over {
border: 3px dashed #000;
}
</style>
</head>
<body>
<div id="columns">
<div class="column" draggable="true"><header>div1</header></div>
<div class="column" draggable="true"><header>div2</header></div>
<div class="column" draggable="true"><header>div3</header></div>
</div>
</body>
<script>
function test(me, type) {
console.log(me.innerHTML, type)
}
var columns = document.querySelectorAll('#columns .column');
var dragEl = null;
[].forEach.call(columns,function(column){
column.addEventListener("dragstart",domdrugstart,false);
column.addEventListener('dragenter', domdrugenter, false);
column.addEventListener('dragover', domdrugover, false);
column.addEventListener('dragleave', domdrugleave, false);
column.addEventListener('drop', domdrop, false);
column.addEventListener('dragend', domdrapend, false);
});
function domdrugstart(e) {
e.target.style.opacity = '0.5';
dragEl = this;
e.dataTransfer.effectAllowed = "move";
e.dataTransfer.setData("text/html",this.innerHTML);
test(this,'dragstart')
}
function domdrugenter(e) {
e.target.classList.add('over');
test(this,'dragenter')
}
function domdrugover(e) {
if (e.preventDefault) {
e.preventDefault();
}
//e.dataTransfer.dropEffect = 'move';
test(this,'dragsover')
return false;
}
function domdrugleave(e) {
e.target.classList.remove('over');
test(this,'dragleave')
}
function domdrop(e) {
if (e.stopPropagation) {
e.stopPropagation();
}
if (dragEl != this) {
dragEl.innerHTML = this.innerHTML;
this.innerHTML = e.dataTransfer.getData('text/html');
}
test(this,'dragdrop')
return false;
}
function domdrapend(e) {
[].forEach.call(columns, function (column) {
column.classList.remove('over');
column.style.opacity = '1';
});
}
</script>
</html>