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来源：互联网 发布：手机指南针软件用法 编辑：程序博客网 时间：2024/06/05 23:47
<head>
<meta charset="UTF-8">
<title>jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" id="themes" href="Resources/Style/themes/ui-cupertino/easyui.css">
<link rel="stylesheet" type="text/css" href="Resources/Style/themes/icon.css">
<link rel="stylesheet" type="text/css" href="Resources/Style/themes/color.css">
<link rel="stylesheet" type="text/css" href="Resources/Style/style.css">
<script type="text/javascript" src="Resources/JScript/jquery.min.js"></script>
<script type="text/javascript" src="Resources/JScript/jquery.easyui.min.js"></script>
<script type="text/javascript" src="datagrid-dnd-tree.js"></script>
<script>
var data = {"total":28,"rows":[
{"productid":"FI-SW-01","productname":"Koi","unitcost":10.00,"status":"P","listprice":36.50,"attr1":"Large","itemid":"EST-1"},
{"productid":"K9-DL-01","productname":"Dalmation","unitcost":12.00,"status":"P","listprice":18.50,"attr1":"Spotted Adult Female","itemid":"EST-10"},
{"productid":"RP-SN-01","productname":"Rattlesnake","unitcost":12.00,"status":"P","listprice":38.50,"attr1":"Venomless","itemid":"EST-11"},
{"productid":"RP-SN-01","productname":"Rattlesnake","unitcost":12.00,"status":"P","listprice":26.50,"attr1":"Rattleless","itemid":"EST-12"},
{"productid":"RP-LI-02","productname":"Iguana","unitcost":12.00,"status":"P","listprice":35.50,"attr1":"Green Adult","itemid":"EST-13"},
{"productid":"FL-DSH-01","productname":"Manx","unitcost":12.00,"status":"P","listprice":158.50,"attr1":"Tailless","itemid":"EST-14"},
{"productid":"FL-DSH-01","productname":"Manx","unitcost":12.00,"status":"P","listprice":83.50,"attr1":"With tail","itemid":"EST-15"},
{"productid":"FL-DLH-02","productname":"Persian","unitcost":12.00,"status":"P","listprice":23.50,"attr1":"Adult Female","itemid":"EST-16"},
{"productid":"FL-DLH-02","productname":"Persian","unitcost":12.00,"status":"P","listprice":89.50,"attr1":"Adult Male","itemid":"EST-17"},
{"productid":"AV-CB-01","productname":"Amazon Parrot","unitcost":92.00,"status":"P","listprice":63.50,"attr1":"Adult Male","itemid":"EST-18"}
]};
var treeData = [{id:1, text:'a', children:[{id:2, text:'b'}, {id:3, text:'c'}]}];
</script>
</head>
<body class="easyui-layout">
<div data-options="region:'west', title:'树'" style="width:200px;">
<ul id="abcd" class="easyui-tree" data-options="data:treeData, onSelect:function(data){alert('ok')},
onDrop:function(source, target, point)
{
$.each(target, function(id, row)
{
$('#abcd').tree('append', {parent:source, data:{id:id, text:row.itemid}});
});
},
onBeforeDrop:function(source, target, point)
{
return true;
}">
</ul>
</div>
<div data-options="region:'center', title:'人员'">
<input class="easyui-filebox">
<table class="easyui-datagrid" title="DataGrid" style="width:700px;height:250px" data-options="
singleSelect:false, dropTargetTree:'#abcd',
data:data,
onLoadSuccess:function(){
$(this).datagrid('enableDnd');
}
">
<thead>
<tr>
<th data-options="field:'itemid',width:80">Item ID</th>
<th data-options="field:'productid',width:100">Product</th>
<th data-options="field:'listprice',width:80,align:'right'">List Price</th>
<th data-options="field:'unitcost',width:80,align:'right'">Unit Cost</th>
<th data-options="field:'attr1',width:250">Attribute</th>
<th data-options="field:'status',width:60,align:'center'">Status</th>
</tr>
</thead>
</table>
</div>
<div data-options="region:'east', title:'人员'" style="width:300px;">
</div>
</body>
</html>
(function($){
$.extend($.fn.datagrid.defaults, {
onBeforeDrag: function(row){}, // return false 停止拖拽
onStartDrag: function(row){},
onStopDrag: function(row){},
});
$.extend($.fn.datagrid.methods, {
enableDnd: function(jq, index){
return jq.each(function(){
var target = this;
var state = $.data(this, 'datagrid');
var dg = $(this);
var opts = state.options;
var dropTargetTree = $(opts.dropTargetTree);
var draggableOptions = {
disabled: false,
revert: true,
cursor: 'pointer',
proxy: function(source) {
var p = $('<div style="z-index:9999999999999"></div>').appendTo('body');
var draggingRow = getDraggingRow(source);
var rows = $.isArray(draggingRow) ? draggingRow : [draggingRow];
$.map(rows, function(row,i){
var index = dg.datagrid('getRowIndex', row);
var tr1 = opts.finder.getTr(target, index, 'body', 1);
var tr2 = opts.finder.getTr(target, index, 'body', 2);
tr2.clone().removeAttr('id').removeClass('droppable').appendTo(p);
tr1.clone().removeAttr('id').removeClass('droppable').find('td').insertBefore(p.find('tr:eq('+i+') td:first'));
$('<td><span class="tree-dnd-icon tree-dnd-no" style="position:static"> </span></td>').insertBefore(p.find('tr:eq('+i+') td:first'));
});
p.find('td').css('vertical-align','middle');
p.hide();
return p;
},
deltaX: 15,
deltaY: 15,
onBeforeDrag:function(e){
var draggingRow = getDraggingRow(this);
if (opts.onBeforeDrag.call(target, draggingRow) == false){return false;}
if ($(e.target).parent().hasClass('datagrid-cell-check')){return false;}
if (e.which != 1){return false;}
$.map($.isArray(draggingRow)?draggingRow:[draggingRow], function(row){
var index = $(target).datagrid('getRowIndex', row);
opts.finder.getTr(target, index).droppable({accept:'no-accept'});
});
},
onStartDrag: function() {
$(this).draggable('proxy').css({
left: -10000,
top: -10000
});
var draggingRow = getDraggingRow(this);
opts.onStartDrag.call(target, draggingRow);
state.draggingRow = draggingRow;
},
onDrag: function(e) {
var x1=e.pageX,y1=e.pageY,x2=e.data.startX,y2=e.data.startY;
var d = Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
if (d>3){ // when drag a little distance, show the proxy object
$(this).draggable('proxy').show();
var tr = opts.finder.getTr(target, parseInt($(this).attr('datagrid-row-index')), 'body');
$.extend(e.data, {
startX: tr.offset().left,
startY: tr.offset().top,
offsetWidth: 0,
offsetHeight: 0
});
}
this.pageY = e.pageY;
},
onStopDrag:function(){
$.map($.isArray(state.draggingRow) ? state.draggingRow : [state.draggingRow], function(row){
var index = dg.datagrid('getRowIndex', row);
dg.datagrid('enableDnd', index);
});
opts.onStopDrag.call(target, state.draggingRow);
}
};
var droppableOptions = {
accept: 'tr.datagrid-row',
onDragEnter: function(e, source){
if ($(this).droppable('options').disabled){return;}
if (dropTargetTree.tree("options").onDragEnter.call(target, getRow(this), getDraggingRow(source)) == false){
setProxyFlag(source, false);
var tr = opts.finder.getTr(target, $(this).attr('datagrid-row-index'));
tr.find('td').css('border', '');
tr.droppable('disable');
$(this).droppable('disable');
}
},
onDragOver: function(e, source) {
if ($(this).droppable('options').disabled){
return;
}
setDroppableBorder($(this), true);
var pageY = source.pageY;
var top = $(this).offset().top;
var bottom = top + $(this).outerHeight();
setProxyFlag(source, true);
var tr = opts.finder.getTr(target, $(this).attr('datagrid-row-index'));
tr.children('td').css('border','');
if (pageY > top + (bottom - top) / 2) {
tr.children('td').css('border-bottom','1px solid red');
} else {
tr.children('td').css('border-top','1px solid red');
}
if (dropTargetTree.tree("options").onDragOver.call(target, this, getDraggingRow(source)) == false){
setProxyFlag(source, false);
setDroppableBorder($(this), false);
$(this).droppable('disable');
}
},
onDragLeave: function(e, source) {
if ($(this).droppable('options').disabled){
return;
}
$(this).css('border','');
setProxyFlag(source, false);
dropTargetTree.tree("options").onDragLeave.call(target, getRow(this), getDraggingRow(source));
},
onDrop: function(e, source) {
if ($(this).droppable('options').disabled){
return;
}
point = "";
setDroppableBorder($(this), false);
var dRow = getRow(this);
var sRow = getDraggingRow(source);
if (dropTargetTree.tree("options").onBeforeDrop.call(target, this, sRow, point) == false){
return;
}
dropTargetTree.tree("options").onDrop.call(target, this, sRow, point);
}
}
if (index != undefined){
var trs = opts.finder.getTr(this, index);
} else {
var trs = opts.finder.getTr(this, 0, 'allbody');
}
trs.draggable(draggableOptions);
setDroppable(dropTargetTree);
function setProxyFlag(source, allowed){
var icon = $(source).draggable('proxy').find('span.tree-dnd-icon');
icon.removeClass('tree-dnd-yes tree-dnd-no').addClass(allowed ? 'tree-dnd-yes' : 'tree-dnd-no');
}
function getRow(tr){
if (!$(tr).hasClass('datagrid-row')){return null}
var target = $(tr).closest('div.datagrid-view').children('table')[0];
var opts = $(target).datagrid('options');
return opts.finder.getRow(target, $(tr));
}
function getDraggingRow(tr){
if (!$(tr).hasClass('datagrid-row')){return null}
var target = $(tr).closest('div.datagrid-view').children('table')[0];
var opts = $(target).datagrid('options');
if (!opts.singleSelect){
//if (opts.dragSelection){
var rows = $(target).datagrid('getSelections');
$.map(rows, function(row){
row._selected = true;
});
if (!rows.length){
var row = opts.finder.getRow(target, $(tr));
row._selected = false;
return row;
}
return rows;
} else {
var row = opts.finder.getRow(target, $(tr));
if ($(tr).hasClass('datagrid-row-selected')){
row._selected = true;
}
return $.isArray(row) ? row : [row];
}
}
function setDroppable(target){
//可放下的目标
var c = target.find("div.tree-node");
if (c.length > 0)
{
c.droppable(droppableOptions);
} else {
c.droppable('disable');
}
}
/**
* 放下目标的边框颜色
*/
function setDroppableBorder(target, b)
{
if (b)
target.css('border','1px dashed red');
else
target.css('border','');
}
});
}
});
})(jQuery);
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