界面拖拽（转载）
本文系转载，发现的好东东，大家一起共享
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Freedom</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body {width:100%;max-height:100%;padding:0px;margin:0px;text-align:center;}
.cell {float:left;clear:right;}
.row {clear:both;}
.r_nbsp {width:20px;height:8px;}
.root {width:646px;margin: 0 auto;}
.root * {/*次属性FF的说*/-moz-user-select:none;}
.line {width:202px;line-height:20px;height:20px;overflow:hidden;font-size:12px;}
.move {border:#CCCCCC 1px solid;width:200px;height:auto;margin-bottom:8px;}
.title {height:24px;cursor:move;background:#0080C0;font-size:12px;font-weight:bold;color:#FFFFFF;line-height:24px;text-align:center;}
.content {border-top:#CCCCCC 1px solid;height:100px;background-color:#F7F7F7;}
.CDrag_temp_div {border:#f00 1px dashed;}
</style>
<script type="text/javascript">
var Class = {
//创建类
create: function () {
return function () {
this.initialize.apply(this, arguments);
};
}
};
var $A = function (a) {
//转换数组
return a ? Array.apply(null, a) : new Array;
};
var $ = function (id) {
//获取对象
return document.getElementById(id);
};
Object.extend = function (a, b) {
//追加方法
for (var i in b) a[i] = b[i];
return a;
};
Object.extend(Object, {
addEvent : function (a, b, c, d) {
//添加函数
if (a.attachEvent) a.attachEvent(b[0], c);
else a.addEventListener(b[1] || b[0].replace(/^on/, ""), c, d || false);
return c;
},
delEvent : function (a, b, c, d) {
if (a.detachEvent) a.detachEvent(b[0], c);
else a.removeEventListener(b[1] || b[0].replace(/^on/, ""), c, d || false);
return c;
},
reEvent : function () {
//获取Event
return window.event ? window.event : (function (o) {
do {
o = o.caller;
} while (o && !/^\[object[ A-Za-z]*Event\]$/.test(o.arguments[0]));
return o.arguments[0];
})(this.reEvent);
}
});
Function.prototype.bind = function () {
//绑定事件
var wc = this, a = $A(arguments), o = a.shift();
return function () {
wc.apply(o, a.concat($A(arguments)));
};
};
var Table = Class.create();
Table.prototype = {
initialize : function () {
//初始化
var wc = this;
wc.cols = new Array; //创建列
},
addCols : function (o) {
//添加列
var wc = this, cols = wc.cols, i = cols.length;
return cols[i] = {
id : i, div : o, rows : new Array, //创建行
addRow : wc.addRow, chRow : wc.chRow, inRow : wc.inRow, delRow : wc.delRow
};
},
addRow : function (o) {
//添加行
var wc = this, rows = wc.rows, i = rows.length;
return rows[i] = {
id : i, div : o, cols : wc
};
},
inRow : function (a, b) {
//插入行
var wc = b.cols = this, rows = wc.rows, i;
if (a < rows.length) {
for (i = a ; i < rows.length ; i ++) rows[i].id ++;
rows.splice(a, 0, b);
b.id = a;
return b;
} else {
b.id = rows.length;
return rows[b.id] = b;
}
},
delRow : function (a) {
//删除列
var wc = this, rows = wc.rows, i, r;
if (a >= rows.length) return;
r = rows[a];
rows.splice(a, 1);
for (i = a ; i < rows.length ; i ++) rows[i].id = i;
return r;
}
};
var CDrag = Class.create();
CDrag.IE = /MSIE/.test(window.navigator.userAgent);
CDrag.prototype = {
initialize : function () {
//初始化成员
var wc = this;
wc.table = new Table; //建立表格对象
wc.iFunc = wc.eFunc = null;
wc.obj = { on : { a : null, b : "" }, row : null, left : 0, top : 0 };
wc.temp = { row : null, div : document.createElement("div") };
wc.temp.div.setAttribute(CDrag.IE ? "className" : "class", "CDrag_temp_div");
wc.temp.div.innerHTML = " ";
},
reMouse : function (a) {
//获取鼠标位置
var e = Object.reEvent();
return {
x : document.documentElement.scrollLeft + e.clientX,
y : document.documentElement.scrollTop + e.clientY
};
},
rePosition : function (o) {
//获取元素绝对位置
var $x = $y = 0;
do {
$x += o.offsetLeft;
$y += o.offsetTop;
} while ((o = o.offsetParent) && o.tagName != "BODY");
return { x : $x, y : $y };
},
sMove : function (o) {
//当拖动开始时设置参数
var wc = this;
if (wc.iFunc || wc.eFinc) return;
var mouse = wc.reMouse(), obj = wc.obj, temp = wc.temp, div = o.div, position = wc.rePosition(div);
obj.row = o;
obj.on.b = "me";
obj.left = mouse.x - position.x;
obj.top = mouse.y - position.y;
temp.row = document.body.appendChild(div.cloneNode(true)); //复制预拖拽对象
with (temp.row.style) {
//设置复制对象
position = "absolute";
left = mouse.x - obj.left + "px";
top = mouse.y - obj.top + "px";
zIndex = 100;
opacity = "0.3";
filter = "alpha(opacity:30)";
}
with (temp.div.style) {
//设置站位对象
height = div.clientHeight + "px";
width = div.clientWidth + "px";
}
/*div.parentNode.insertBefore(temp.div, div);
div.style.display = "none"; //隐藏预拖拽对象*/
div.parentNode.replaceChild(temp.div, div);
wc.iFunc = Object.addEvent(document, ["onmousemove"], wc.iMove.bind(wc));
wc.eFunc = Object.addEvent(document, ["onmouseup"], wc.eMove.bind(wc));
document.onselectstart = new Function("return false");
},
iMove : function () {
//当鼠标移动时设置参数
var wc = this, cols = wc.table.cols, mouse = wc.reMouse(), obj = wc.obj, temp = wc.temp, row = obj.row, div = temp.row,
t_position, t_cols, t_rows, i, j;
with (div.style) {
left = mouse.x - obj.left + "px";
top = mouse.y - obj.top + "px";
}
for (i = 0 ; i < cols.length ; i ++) {
t_cols = cols[i];
t_position = wc.rePosition(t_cols.div);
if (t_position.x < mouse.x && t_position.x + t_cols.div.offsetWidth > mouse.x) {
if (t_cols.rows.length > 0) { //如果此列行数大于0
if (wc.rePosition(t_cols.rows[0].div).y + 20 > mouse.y) {
//如果鼠标位置大于第一行的位置即是最上。。
//向上
obj.on.a = t_cols.rows[0];
obj.on.b = "up";
obj.on.a.div.parentNode.insertBefore(temp.div, obj.on.a.div);
} else if (t_cols.rows.length > 1 && t_cols.rows[0] == row &&
wc.rePosition(t_cols.rows[1].div).y + 20 > mouse.y) {
//如果第一行是拖拽对象而第鼠标大于第二行位置则，没有动。。
//向上
obj.on.b = "me";
t_cols.rows[1].div.parentNode.insertBefore(temp.div, t_cols.rows[1].div);
} else {
for (j = t_cols.rows.length - 1 ; j > -1 ; j --) {
//重最下行向上查询
t_rows = t_cols.rows[j];
if (t_rows == obj.row) continue;
if (wc.rePosition(t_rows.div).y < mouse.y) {
//如果鼠标大于这行则在这行下面
if (t_rows.id + 1 < t_cols.rows.length && t_cols.rows[t_rows.id + 1] != obj.row) {
//如果这行有下一行则重这行下一行的上面插入
t_cols.rows[t_rows.id + 1].div.parentNode.
insertBefore(temp.div, t_cols.rows[t_rows.id + 1].div);
obj.on.a = t_rows;
obj.on.b = "down";
} else if (t_rows.id + 2 < t_cols.rows.length) {
//如果这行下一行是拖拽对象则插入到下两行，即拖拽对象返回原位
t_cols.rows[t_rows.id + 2].div.parentNode.
insertBefore(temp.div, t_cols.rows[t_rows.id + 2].div);
obj.on.b = "me";
} else {
//前面都没有满足则放在最低行
t_rows.div.parentNode.appendChild(temp.div);
obj.on.a = t_rows;
obj.on.b = "down";
}
return;
}
}
}
} else {
//此列无内容添加新行
t_cols.div.appendChild(temp.div);
obj.on.a = t_cols;
obj.on.b = "new";
}
}
}
},
eMove : function () {
//当鼠标释放时设置参数
var wc = this, obj = wc.obj, temp = wc.temp, row = obj.row, div = row.div, o_cols, n_cols;
if (obj.on.b == "up") {
//向最上添加
o_cols = obj.row.cols;
n_cols = obj.on.a.cols;
n_cols.inRow(0, o_cols.delRow(obj.row.id));
} else if (obj.on.b == "down") {
//相对向下添加
o_cols = obj.row.cols;
n_cols = obj.on.a.cols;
n_cols.inRow(obj.on.a.id + 1, o_cols.delRow(obj.row.id));
} else if (obj.on.b == "new") {
//向无内容列添加
o_cols = obj.row.cols;
n_cols = obj.on.a;
n_cols.inRow(0, o_cols.delRow(obj.row.id));
}
temp.div.parentNode.replaceChild(div, temp.div);
temp.row.parentNode.removeChild(temp.row);
delete temp.row;
Object.delEvent(document, ["onmousemove"], wc.iFunc);
Object.delEvent(document, ["onmouseup"], wc.eFunc);
document.onselectstart = wc.iFunc = wc.eFunc = null;
},
add : function (o) {
//添加对象
var wc = this;
Object.addEvent(o.div.childNodes[CDrag.IE ? 0 : 1], ["onmousedown"], wc.sMove.bind(wc, o));
},
parse : function (o) {
//初始化成员
var wc = this, table = wc.table, cols, i, j;
for (i = 0 ; i < o.length ; i ++) {
cols = table.addCols(o[i].cols);
for (j = 0 ; j < o[i].rows.length ; j ++)
wc.add(cols.addRow(o[i].rows[j]));
}
}
};
Object.addEvent(window, ["onload"], function () {
var wc = new CDrag;
wc.parse([{cols : $("m_1"), rows : [$("m_1_1"), $("m_1_2"), $("m_1_3")]},{cols : $("m_2"), rows : [$("m_2_1"), $("m_2_2"), $("m_2_3")]},{cols : $("m_3"), rows : [$("m_3_1"), $("m_3_2"), $("m_3_3")]}]);
});
</script>
</head>
<body><br />
<div class="root">
<div class="cell" id="m_1">
<div class="line">第一列</div>
<div class="move" id="m_1_1">
<div class="title">第一列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_1_2">
<div class="title">第一列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_1_3">
<div class="title">第一列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
<div class="cell r_nbsp"></div>
<div class="cell" id="m_2">
<div class="line">第二列</div>
<div class="move" id="m_2_1">
<div class="title">第二列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_2_2">
<div class="title">第二列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_2_3">
<div class="title">第二列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
<div class="cell r_nbsp"></div>
<div class="cell" id="m_3">
<div class="line">第三列</div>
<div class="move" id="m_3_1">
<div class="title">第三列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_3_2">
<div class="title">第三列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_3_3">
<div class="title">第三列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Freedom</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body {width:100%;max-height:100%;padding:0px;margin:0px;text-align:center;}
.cell {float:left;clear:right;}
.row {clear:both;}
.r_nbsp {width:20px;height:8px;}
.root {width:646px;margin: 0 auto;}
.root * {/*次属性FF的说*/-moz-user-select:none;}
.line {width:202px;line-height:20px;height:20px;overflow:hidden;font-size:12px;}
.move {border:#CCCCCC 1px solid;width:200px;height:auto;margin-bottom:8px;}
.title {height:24px;cursor:move;background:#0080C0;font-size:12px;font-weight:bold;color:#FFFFFF;line-height:24px;text-align:center;}
.content {border-top:#CCCCCC 1px solid;height:100px;background-color:#F7F7F7;}
.CDrag_temp_div {border:#f00 1px dashed;}
</style>
<script type="text/javascript">
var Class = {
//创建类
create: function () {
return function () {
this.initialize.apply(this, arguments);
};
}
};
var $A = function (a) {
//转换数组
return a ? Array.apply(null, a) : new Array;
};
var $ = function (id) {
//获取对象
return document.getElementById(id);
};
Object.extend = function (a, b) {
//追加方法
for (var i in b) a[i] = b[i];
return a;
};
Object.extend(Object, {
addEvent : function (a, b, c, d) {
//添加函数
if (a.attachEvent) a.attachEvent(b[0], c);
else a.addEventListener(b[1] || b[0].replace(/^on/, ""), c, d || false);
return c;
},
delEvent : function (a, b, c, d) {
if (a.detachEvent) a.detachEvent(b[0], c);
else a.removeEventListener(b[1] || b[0].replace(/^on/, ""), c, d || false);
return c;
},
reEvent : function () {
//获取Event
return window.event ? window.event : (function (o) {
do {
o = o.caller;
} while (o && !/^\[object[ A-Za-z]*Event\]$/.test(o.arguments[0]));
return o.arguments[0];
})(this.reEvent);
}
});
Function.prototype.bind = function () {
//绑定事件
var wc = this, a = $A(arguments), o = a.shift();
return function () {
wc.apply(o, a.concat($A(arguments)));
};
};
var Table = Class.create();
Table.prototype = {
initialize : function () {
//初始化
var wc = this;
wc.cols = new Array; //创建列
},
addCols : function (o) {
//添加列
var wc = this, cols = wc.cols, i = cols.length;
return cols[i] = {
id : i, div : o, rows : new Array, //创建行
addRow : wc.addRow, chRow : wc.chRow, inRow : wc.inRow, delRow : wc.delRow
};
},
addRow : function (o) {
//添加行
var wc = this, rows = wc.rows, i = rows.length;
return rows[i] = {
id : i, div : o, cols : wc
};
},
inRow : function (a, b) {
//插入行
var wc = b.cols = this, rows = wc.rows, i;
if (a < rows.length) {
for (i = a ; i < rows.length ; i ++) rows[i].id ++;
rows.splice(a, 0, b);
b.id = a;
return b;
} else {
b.id = rows.length;
return rows[b.id] = b;
}
},
delRow : function (a) {
//删除列
var wc = this, rows = wc.rows, i, r;
if (a >= rows.length) return;
r = rows[a];
rows.splice(a, 1);
for (i = a ; i < rows.length ; i ++) rows[i].id = i;
return r;
}
};
var CDrag = Class.create();
CDrag.IE = /MSIE/.test(window.navigator.userAgent);
CDrag.prototype = {
initialize : function () {
//初始化成员
var wc = this;
wc.table = new Table; //建立表格对象
wc.iFunc = wc.eFunc = null;
wc.obj = { on : { a : null, b : "" }, row : null, left : 0, top : 0 };
wc.temp = { row : null, div : document.createElement("div") };
wc.temp.div.setAttribute(CDrag.IE ? "className" : "class", "CDrag_temp_div");
wc.temp.div.innerHTML = " ";
},
reMouse : function (a) {
//获取鼠标位置
var e = Object.reEvent();
return {
x : document.documentElement.scrollLeft + e.clientX,
y : document.documentElement.scrollTop + e.clientY
};
},
rePosition : function (o) {
//获取元素绝对位置
var $x = $y = 0;
do {
$x += o.offsetLeft;
$y += o.offsetTop;
} while ((o = o.offsetParent) && o.tagName != "BODY");
return { x : $x, y : $y };
},
sMove : function (o) {
//当拖动开始时设置参数
var wc = this;
if (wc.iFunc || wc.eFinc) return;
var mouse = wc.reMouse(), obj = wc.obj, temp = wc.temp, div = o.div, position = wc.rePosition(div);
obj.row = o;
obj.on.b = "me";
obj.left = mouse.x - position.x;
obj.top = mouse.y - position.y;
temp.row = document.body.appendChild(div.cloneNode(true)); //复制预拖拽对象
with (temp.row.style) {
//设置复制对象
position = "absolute";
left = mouse.x - obj.left + "px";
top = mouse.y - obj.top + "px";
zIndex = 100;
opacity = "0.3";
filter = "alpha(opacity:30)";
}
with (temp.div.style) {
//设置站位对象
height = div.clientHeight + "px";
width = div.clientWidth + "px";
}
/*div.parentNode.insertBefore(temp.div, div);
div.style.display = "none"; //隐藏预拖拽对象*/
div.parentNode.replaceChild(temp.div, div);
wc.iFunc = Object.addEvent(document, ["onmousemove"], wc.iMove.bind(wc));
wc.eFunc = Object.addEvent(document, ["onmouseup"], wc.eMove.bind(wc));
document.onselectstart = new Function("return false");
},
iMove : function () {
//当鼠标移动时设置参数
var wc = this, cols = wc.table.cols, mouse = wc.reMouse(), obj = wc.obj, temp = wc.temp, row = obj.row, div = temp.row,
t_position, t_cols, t_rows, i, j;
with (div.style) {
left = mouse.x - obj.left + "px";
top = mouse.y - obj.top + "px";
}
for (i = 0 ; i < cols.length ; i ++) {
t_cols = cols[i];
t_position = wc.rePosition(t_cols.div);
if (t_position.x < mouse.x && t_position.x + t_cols.div.offsetWidth > mouse.x) {
if (t_cols.rows.length > 0) { //如果此列行数大于0
if (wc.rePosition(t_cols.rows[0].div).y + 20 > mouse.y) {
//如果鼠标位置大于第一行的位置即是最上。。
//向上
obj.on.a = t_cols.rows[0];
obj.on.b = "up";
obj.on.a.div.parentNode.insertBefore(temp.div, obj.on.a.div);
} else if (t_cols.rows.length > 1 && t_cols.rows[0] == row &&
wc.rePosition(t_cols.rows[1].div).y + 20 > mouse.y) {
//如果第一行是拖拽对象而第鼠标大于第二行位置则，没有动。。
//向上
obj.on.b = "me";
t_cols.rows[1].div.parentNode.insertBefore(temp.div, t_cols.rows[1].div);
} else {
for (j = t_cols.rows.length - 1 ; j > -1 ; j --) {
//重最下行向上查询
t_rows = t_cols.rows[j];
if (t_rows == obj.row) continue;
if (wc.rePosition(t_rows.div).y < mouse.y) {
//如果鼠标大于这行则在这行下面
if (t_rows.id + 1 < t_cols.rows.length && t_cols.rows[t_rows.id + 1] != obj.row) {
//如果这行有下一行则重这行下一行的上面插入
t_cols.rows[t_rows.id + 1].div.parentNode.
insertBefore(temp.div, t_cols.rows[t_rows.id + 1].div);
obj.on.a = t_rows;
obj.on.b = "down";
} else if (t_rows.id + 2 < t_cols.rows.length) {
//如果这行下一行是拖拽对象则插入到下两行，即拖拽对象返回原位
t_cols.rows[t_rows.id + 2].div.parentNode.
insertBefore(temp.div, t_cols.rows[t_rows.id + 2].div);
obj.on.b = "me";
} else {
//前面都没有满足则放在最低行
t_rows.div.parentNode.appendChild(temp.div);
obj.on.a = t_rows;
obj.on.b = "down";
}
return;
}
}
}
} else {
//此列无内容添加新行
t_cols.div.appendChild(temp.div);
obj.on.a = t_cols;
obj.on.b = "new";
}
}
}
},
eMove : function () {
//当鼠标释放时设置参数
var wc = this, obj = wc.obj, temp = wc.temp, row = obj.row, div = row.div, o_cols, n_cols;
if (obj.on.b == "up") {
//向最上添加
o_cols = obj.row.cols;
n_cols = obj.on.a.cols;
n_cols.inRow(0, o_cols.delRow(obj.row.id));
} else if (obj.on.b == "down") {
//相对向下添加
o_cols = obj.row.cols;
n_cols = obj.on.a.cols;
n_cols.inRow(obj.on.a.id + 1, o_cols.delRow(obj.row.id));
} else if (obj.on.b == "new") {
//向无内容列添加
o_cols = obj.row.cols;
n_cols = obj.on.a;
n_cols.inRow(0, o_cols.delRow(obj.row.id));
}
temp.div.parentNode.replaceChild(div, temp.div);
temp.row.parentNode.removeChild(temp.row);
delete temp.row;
Object.delEvent(document, ["onmousemove"], wc.iFunc);
Object.delEvent(document, ["onmouseup"], wc.eFunc);
document.onselectstart = wc.iFunc = wc.eFunc = null;
},
add : function (o) {
//添加对象
var wc = this;
Object.addEvent(o.div.childNodes[CDrag.IE ? 0 : 1], ["onmousedown"], wc.sMove.bind(wc, o));
},
parse : function (o) {
//初始化成员
var wc = this, table = wc.table, cols, i, j;
for (i = 0 ; i < o.length ; i ++) {
cols = table.addCols(o[i].cols);
for (j = 0 ; j < o[i].rows.length ; j ++)
wc.add(cols.addRow(o[i].rows[j]));
}
}
};
Object.addEvent(window, ["onload"], function () {
var wc = new CDrag;
wc.parse([{cols : $("m_1"), rows : [$("m_1_1"), $("m_1_2"), $("m_1_3")]},{cols : $("m_2"), rows : [$("m_2_1"), $("m_2_2"), $("m_2_3")]},{cols : $("m_3"), rows : [$("m_3_1"), $("m_3_2"), $("m_3_3")]}]);
});
</script>
</head>
<body><br />
<div class="root">
<div class="cell" id="m_1">
<div class="line">第一列</div>
<div class="move" id="m_1_1">
<div class="title">第一列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_1_2">
<div class="title">第一列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_1_3">
<div class="title">第一列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
<div class="cell r_nbsp"></div>
<div class="cell" id="m_2">
<div class="line">第二列</div>
<div class="move" id="m_2_1">
<div class="title">第二列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_2_2">
<div class="title">第二列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_2_3">
<div class="title">第二列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
<div class="cell r_nbsp"></div>
<div class="cell" id="m_3">
<div class="line">第三列</div>
<div class="move" id="m_3_1">
<div class="title">第三列的第一个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_3_2">
<div class="title">第三列的第二个的模块</div>
<div class="content"></div>
</div>
<div class="move" id="m_3_3">
<div class="title">第三列的第三个的模块</div>
<div class="content"></div>
</div>
</div>
</div>
</body>
</html>
