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仿3721首页模块拖曳移动效果js代码[可拖曳层移动层]

2008-09-21 21:49:08 作者：

比较不错的模仿3721的页面模块拖动效果代码

<!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> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>仿3721首页模块拖曳移动效果[拖曳层移动层]呵，做了一些细致的处理</title>

body { 
    text-align:center; 
    font-size:14px; 
}

.cell_left, .cell_right { 
    width:202px; 
}

.cell_center { 
    width:404px; 
}

.left { 
    float:left; 
}

.row { 
    clear:both; 
}

.r_nbsp { 
    width:20px; 
}

.root { 
    width:876px; 
    height:auto; 
    margin:auto; 
}

.root * { 
/*此属性FF的说*/ 
    -moz-user-select:none; 
}

.line { 
    width:100%px; 
    height:0px; 
    overflow:hidden; 
}

.move { 
    border:#CCCCCC 1px solid; 
    width:100%; 
    height:aotu; 
    margin-top:5px; 
    margin-bottom:5px; 
    display:none; 
}

.title { 
    height:24px; 
    line-height:24px; 
    background:#0080C0; 
}

.title_a { 
    width:auto; 
    margin-right:80px; 
    cursor:move; 
    font-size:12px; 
    font-weight:bold; 
    color:#FFFFFF; 
    text-align:left; 
    padding-left:10px; 
}

.title_reduce, .title_lock, .title_edit, .title_close { 
    float:right; 
    width:20px; 
    font-size:9px; 
    color:#CCCCCC; 
}

.title_reduce, .title_lock, .title_edit { 
    cursor:pointer; 
}

.title_close { 
    cursor:default; 
}

.content { 
    height:100px; 
    border-top:#CCCCCC 1px solid; 
    background-color:#F7F7F7; 
    font-size:12px; 
    line-height:130%; 
}

.CDrag_temp_div { 
    border:#CCCCCC 1px dashed; 
    margin-top:5px; 
    margin-bottom:5px; 
}

a#DEL_CDrag, a#ADD_CDrag { 
    color:#6699CC; 
    text-decoration:none; 
}

a#DEL_CDrag:hover, a#ADD_CDrag:hover { 
    color:#FF0000; 
}

.Dall_screen, .Iall_screen { 
    position:absolute; 
    left:0px; 
    top:0px; 
}

.Dall_screen { 
    z-index:99; 
    background-color:#000000; 
    filter:alpha(opacity=30); 
    opacity:0.3; 
}

.Iall_screen { 
    z-index:98; 
    filter:alpha(opacity=0); 
    opacity:0; 
}

.Nall_screen { 
    position:absolute; 
    z-index:100; 
    left:300px; 
    top:100px; 
    width:300px; 
    height:auto; 
    border:#6699CC 1px solid; 
    background-color:#F0FAFF; 
    padding:10px 0 10px 0; 
}

.Call_screen { 
    width:100%; 
    height:auto; 
    line-height:30px; 
    font-size:12px; 
    padding-bottom:10px; 
} 
</style>

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 CDrag = Class.create();

CDrag.IE = /MSIE/.test(window.navigator.userAgent);

CDrag.load = function (obj_string, func, time) { 
//加载对象 
    var index = 0, timer = window.setInterval(function () { 
        try { 
            if (eval(obj_string + ".loaded")) { 
                window.clearInterval(timer); 
                func(eval("new " + obj_string)); 
            } 
        } catch (exp) {}

if (++ index == 20) window.clearInterval(timer); 
    }, time + index * 3); 
};

CDrag.database = { 
//数据存储 
    json : null, 
     
    parse : function (id) { 
    //查找资源 
        var wc = this, json = wc.json, i; 
        for (i in json) { 
            if (json[i].id == id) 
                return json[i]; 
        } 
    } 
};

CDrag.Ajax = Class.create();

Object.extend(CDrag.Ajax, {

getTransport: function() { 
        return Try.these( 
            function () { return new ActiveXObject('Msxml2.XMLHTTP') }, 
            function () { return new ActiveXObject('Microsoft.XMLHTTP') }, 
            function () { return new XMLHttpRequest() } 
        ) || false; 
    } 
     
});

CDrag.Ajax.prototype = {

initialize : function (url) { 
    //初始化 
        var wc = this; 
        wc.ajax = CDrag.Ajax.getTransport(); 
    }, 
     
    load : function (func) { 
        var wc = this, ajax = wc.ajax; 
        if (ajax.readyState == 4 && ajax.status == 200) 
            func(ajax.responseText); 
    }, 
     
    send : function (url, func) { 
        var wc = this, ajax = wc.ajax, 
            querys = url + "&" + new Date().getTime() + (10000 + parseInt(Math.random() * 10000)); 
        ajax.open("get", querys, true); 
        ajax.onreadystatechange = wc.load.bind(wc, func); 
        ajax.send(null); 
    } 
     
};

CDrag.Table = Class.create();

CDrag.Table.prototype = { 
//列的拖拽暂时不考虑

initialize : function () { 
    //初始化 
        var wc = this; 
        wc.items = []; //创建列组 
    }, 
     
    add : function () { 
    //添加列 
        var wc = this, id = wc.items.length, arg = arguments; 
        return wc.items[id] = new CDrag.Table.Cols(id, wc, arg[0]); 
    } 
};

CDrag.Table.Cols = Class.create();

CDrag.Table.Cols.prototype = { 
     
    initialize : function (id, parent, element) { 
    //初始化 
        var wc = this; 
        wc.items = []; //创建列组 
        wc.id = id; 
        wc.parent = parent; 
        wc.element = element; 
    }, 
     
    add : function () { 
    //添加行 
        var wc = this, id = wc.items.length, arg = arguments; 
        return wc.items[id] = new CDrag.Table.Rows(id, wc, arg[0], arg[1], arg[2]); 
    }, 
     
    ins : function (num, row) { 
    //插入行 
        var wc = this, items = wc.items, i; 
         
        if (row.parent == wc && row.id < num) num --; //同列向下移动的时候 
        for (i = num ; i < items.length ; i ++) items[i].id ++; 
         
        items.splice(num, 0, row); 
        row.id = num, row.parent = wc; 
         
        return row; 
    }, 
     
    del : function (num) { 
    //删除行 
        var wc = this, items = wc.items, i; 
         
        if (num >= items.length) return; 
        for (i = num + 1; i < items.length ; i ++) items[i].id = i - 1; 
        return items.splice(num, 1)[0]; 
    } 
     
};

CDrag.Table.Rows = Class.create();

CDrag.Table.Rows.prototype = { 
     
     
    initialize : function (id, parent, element, window, locks) { 
    //初始化 
        var wc = this, temp; 
         
        wc.id = id; 
        wc.parent = parent; 
        wc.root_id = element; 
        wc.window = window; 
        wc.element = wc.element_init(); 
         
        temp = wc.element.childNodes[0]; 
        wc.title = temp.childNodes[4]; 
        wc.reduce = temp.childNodes[3]; 
        wc.lock = temp.childNodes[2], wc.locks = locks; 
        wc.edit = temp.childNodes[1]; 
        wc.close = temp.childNodes[0]; 
        wc.content = wc.element.childNodes[1]; 
         
        wc.Class = wc.mousedown = wc.reduceFunc = wc.lockFunc = wc.editFunc = wc.closeFunc = null; 
         
        wc.init(); 
        wc.load(); 
    }, 
     
    element_init : function () { 
    //初始化元素 
        var wc = this, div = $("root_row").cloneNode(true); 
         
        wc.parent.element.appendChild(div); 
        div.style.display = "block"; 
        return div; 
    }, 
     
    init : function () { 
    //初始化信息 
        var wc = this; 
        if (wc.window == 0) { 
            wc.content.style.display = "none"; 
            wc.reduce.innerHTML = "放大"; 
        } else { 
            wc.content.style.display = "block"; 
            wc.reduce.innerHTML = "缩小"; 
        } 
         
        wc.lock.innerHTML = !wc.locks ? "锁定" : "解除"; 
    }, 
     
    load : function () { 
    //获取相关信息 
        var wc = this, info = CDrag.database.parse(wc.root_id), script; 
         
        wc.title.innerHTML = info.title; 
         
        if (info.src) { 
            wc.content.innerHTML = "loading"; 
            script = document.createElement("script"); 
            script.src = info.src + ".js"//, script.defer = true; 
            document.getElementsByTagName("head")[0].appendChild(script); 
            CDrag.load(info.className, wc.upload.bind(wc), 5); 
        } else    wc.content.innerHTML = info.className; 
    }, 
     
    upload : function (obj) { 
    /*加载类信息 
        注：这里给行加入了一个扩展类，这里行的内容可以通过扩展类来控制^o^ 
        不过扩展类的格式必须有open方法和edit方法，还有类名.静态成员loaded = true；为了检测是否加载完毕 
        扩展类需放到单独的.js文件里，然后从database结构体内设定其参数即可 
    */ 
        var wc = this; 
        wc.Class = obj; 
        wc.Class.parent = wc; 
        wc.editFunc = Object.addEvent(wc.edit, ["onclick"], wc.lockF(wc.Class, wc.Class.edit, wc)); 
        wc.Class.open(); 
    }, 
     
    lockF : function () { 
    //检索锁定 
        var wc = this, arg = $A(arguments), root = arg.shift(), func = arg.shift(); 
        return function () { 
            if (!wc.locks) func.apply(root, arg.concat($A(arguments))); 
        }; 
    } 
     
};

CDrag.Add = Class.create();

CDrag.Add.prototype = { 
     
    initialize : function (parent) { 
    //初始化参数 
        var wc = this; 
        wc.div = document.createElement("div"); //最外层div 
        wc.iframe = document.createElement("iframe"); //协助wc.div盖select的iframe 
        wc.node = document.createElement("div"); //内容底层div 
        wc.content = document.createElement("div"); //内容层div 
        wc.button = document.createElement("button"); //内容处理按钮 
        wc.parent = parent; 
        wc.json = null; 
         
        wc.button.onclick = wc.execute.bind(wc, wc.content); //向按钮指向方法 
        wc.init_element(); 
    }, 
     
    init_element : function () { 
    //初始化元素 
        var wc = this; 
        wc.div.setAttribute(CDrag.IE ? "className" : "class", "Dall_screen"); 
        wc.iframe.setAttribute(CDrag.IE ? "className" : "class", "Iall_screen"); 
        wc.node.setAttribute(CDrag.IE ? "className" : "class", "Nall_screen"); 
        wc.content.setAttribute(CDrag.IE ? "className" : "class", "Call_screen"); 
        wc.button.innerHTML = "执行"; 
        wc.node.appendChild(wc.content); 
        wc.node.appendChild(wc.button); 
    }, 
     
    init_json : function () { 
    //初始化原始数据信息串 
        var wc = this, parent = wc.parent, 
            cols = parent.table.items, new_json = {}, init_json = CDrag.database.json, r, i, j; 
             
        for (i = 0 ; i < init_json.length ; i ++) //便利原始数据 
            new_json[init_json[i].id] = { id : init_json[i].id, row : null, title : init_json[i].title }; 
             
        for (i = 0 ; i < cols.length ; i ++) //便利修改生成的串的属性 
            for (r = cols[i].items, j = 0 ; j < r.length ; j ++) 
                new_json[r[j].root_id].row = r[j]; 
        return new_json; 
    }, 
     
    init_node : function () { 
    //初始化内容层div的数据 
        var wc = this, json = wc.json = wc.init_json(), boxary = [], i; 
        for (i in json) 
            boxary[boxary.length] = [ 
                '<input type="checkbox"', json[i].row ? 'checked="checked"' : "", 
                ' value="', json[i].id, '" />&nbsp;&nbsp;', json[i].title, '<br \/>' 
            ].join("");

wc.content.innerHTML = boxary.join(""); //写入内容层 
    }, 
     
    execute : function (div) { 
    //处理table类结构 
        var wc = this, parent = wc.parent, json = wc.json, items = div.getElementsByTagName("input"), row, c, i; 
         
        try { 
         
            for (i = 0 ; i < items.length ; i ++) { 
             
                if (items[i].type != "checkbox") continue; 
                row = json[items[i].value]; 
                 
                if ((!!row.row) != items[i].checked) { 
                    if (row.row) parent.remove(row.row); //删除 
                    else parent.add(parent.table.items[0].add(row.id, 1, false)); //向第一行追加数据 
                    c = true; 
                } 
                 
            } 
             
            div.innerHTML = ""; 
            if (c) parent.set_cookie(); 
             
        } catch (exp) {} 
        wc.close(); 
    }, 
     
    add : function () { 
    //添加数据 
        var wc = this, div = wc.div, iframe = wc.iframe; 
        wc.init_node(); 
        div.style.height = iframe.style.height = Math.max(document.documentElement.scrollHeight, document.documentElement.offsetHeight) + "px"; 
        div.style.width = iframe.style.width = Math.max(document.documentElement.scrollWidth, document.documentElement.offsetWidth) + "px"; 
        document.getElementsByTagName("html")[0].style.overflow = "hidden"; 
        document.body.appendChild(iframe); 
        document.body.appendChild(div); 
        document.body.appendChild(wc.node); 
    }, 
     
    close : function () { 
    //关闭添加框 
        var wc = this, div = wc.div, iframe = wc.iframe; 
        document.getElementsByTagName("html")[0].style.overflow = CDrag.IE ? "" : "auto"; 
        document.body.removeChild(iframe); 
        document.body.removeChild(div); 
        document.body.removeChild(wc.node); 
    } 
     
};

CDrag.prototype = { 
     
    initialize : function () { 
    //初始化成员 
        var wc = this; 
        wc.table = new CDrag.Table; //建立表格对象 
        wc.addc = new CDrag.Add(wc); //建立添加对象 
        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 = "&nbsp;"; 
    }, 
     
    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 }; 
    }, 
     
    execMove : function (status, on_obj, in_obj, place) { 
    //处理拖拽过程细节 
        var wc = this, obj = wc.obj.on, temp = wc.temp, px; 
         
        obj.a = on_obj, obj.b = status; 
         
        if (place == 0) { 
        //向上 
            px = in_obj.element.clientWidth; 
            in_obj.element.parentNode.insertBefore(temp.div, in_obj.element); 
        } else if (place == 1) { 
        //新加入 
            px = in_obj.element.clientWidth - 2; 
            in_obj.element.appendChild(temp.div); 
        } else { 
        //向下 
            px = in_obj.element.clientWidth; 
            in_obj.element.parentNode.appendChild(temp.div); 
        } 
         
        wc.obj.left = Math.ceil(px / temp.div.offsetWidth * wc.obj.left); //处理拖拽换行后宽度变化，鼠标距离拖拽物的距离的误差. 
        temp.row.style.width = temp.div.style.width = px + "px"; //处理换列后对象宽度变化 
    }, 
     
    sMove : function (o) { 
    //当拖动开始时设置参数 
         
        var wc = this; 
        if (o.locks || wc.iFunc || wc.eFinc) return; 
         
        var mouse = wc.reMouse(), obj = wc.obj, temp = wc.temp, div = o.element, 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 
        temp.row.style.width = div.clientWidth + "px"; 
         
        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.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, mouse = wc.reMouse(), cols = wc.table.items, 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]; 
            //if (t_cols != obj.row.parent) continue; 
            t_position = wc.rePosition(t_cols.element); 
            if (t_position.x < mouse.x && t_position.x + t_cols.element.offsetWidth > mouse.x) { 
                if (t_cols.items.length > 0) { //如果此列行数大于0 
                    if (t_cols.items[0] != obj.row && wc.rePosition(t_cols.items[0].element).y + 20 > mouse.y) { 
                        //如果第一行不为拖拽对象并且鼠标位置大于第一行的位置即是最上。。 
                        //向上 
                        wc.execMove("up", t_cols.items[0], t_cols.items[0], 0); 
                    } else if (t_cols.items.length > 1 && t_cols.items[0] == row && 
                        wc.rePosition(t_cols.items[1].element).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 
                        wc.execMove("me", t_cols.items[1], t_cols.items[1], 0); 
                    } else { 
                        for (j = t_cols.items.length - 1 ; j > -1 ; j --) { 
                            //重最下行向上查询 
                            t_rows = t_cols.items[j]; 
                            if (t_rows == obj.row) { 
                                if (t_cols.items.length == 1) { 
                                //如果拖拽的是此列最后一行 
                                    wc.execMove("me", t_cols, t_cols, 1); 
                                } 
                                continue; 
                            } 
                            if (wc.rePosition(t_rows.element).y < mouse.y) { 
                                //如果鼠标大于这行则在这行下面 
                                if (t_rows.id + 1 < t_cols.items.length && t_cols.items[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 
                                    wc.execMove("down", t_rows, t_cols.items[t_rows.id + 1], 0); 
                                } else if (t_rows.id + 2 < t_cols.items.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 
                                    wc.execMove("me", null, t_cols.items[t_rows.id + 2], 0); 
                                } else { 
                                    //前面都没有满足则放在最低行 
                                    wc.execMove("down", t_rows, t_rows, 2); 
                                } 
                                return; 
                            } 
                        } 
                    } 
                } else { 
                //此列无内容添加新行 
                    wc.execMove("new", t_cols, t_cols, 1); 
                } 
            } 
        } 
    }, 
     
    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.element, o_cols, n_cols, number; 
         
        if (obj.on.b != "me") { 
            number = (obj.on.b == "down" ? obj.on.a.id + 1 : 0); 
            n_cols = (obj.on.b != "new" ? obj.on.a.parent : obj.on.a); 
            o_cols = obj.row.parent; 
            n_cols.ins(number, o_cols.del(obj.row.id)); 
             
            wc.set_cookie(); 
        } 
         
        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; 
    }, 
     
    reduce : function (o) { 
    //变大变小 
        var wc = this; 
        if ((o.window = (o.window == 1 ? 0 : 1))) { 
            o.content.style.display = "block"; 
            o.reduce.innerHTML = "缩小"; 
        } else { 
            o.content.style.display = "none"; 
            o.reduce.innerHTML = "放大"; 
        } 
        wc.set_cookie(); 
    }, 
     
    lock : function (o) { 
    //锁定 
        var wc = this; 
        if (o.locks) { 
            o.locks = false; 
            o.lock.innerHTML = "锁定"; 
        } else { 
            o.locks = true; 
            o.lock.innerHTML = "解除"; 
        } 
        wc.set_cookie(); 
    }, 
     
    close : function (o) { 
    //关闭对象 
        var wc = this; 
        wc.remove(o); 
        wc.set_cookie(); 
    }, 
     
    remove : function (o) { 
    //移除对象 
        var wc = this, parent = o.parent; 
         
        Object.delEvent(o.close, ["onclick"], o.closeFunc); 
        if (o.editFunc) Object.delEvent(o.edit, ["onclick"], o.editFunc); 
        Object.delEvent(o.lock, ["onclick"], o.lockFunc); 
        Object.delEvent(o.reduce, ["onclick"], o.reduceFunc); 
        Object.delEvent(o.title, ["onmousedown"], o.mousedown); 
         
        o.mousedown = o.reduceFunc = o.lockFunc = o.editFunc = o.closeFunc = null; 
         
        parent.element.removeChild(o.element); 
        parent.del(o.id); 
        delete wc.Class; 
        delete o; 
    }, 
     
    create_json : function () { 
    //生成json串 
        var wc = this, cols = wc.table.items, a = [], b = [], i, j, r; 
        for (i = 0 ; i < cols.length ; i ++) { 
            for (r = cols[i].items, j = 0 ; j < r.length ; j ++) 
                b[b.length] = "{id:'" + r[j].root_id + "',window:" + r[j].window + ",locks:" + r[j].locks + "}"; 
            a[a.length] = "cols:'" + cols[i].element.id + "',rows:[" + b.splice(0, b.length).join(",") + "]"; 
        } 
        return escape("[{" + a.join("},{") + "}]"); 
    }, 
     
    parse_json : function (cookie) { 
    //解释json成对象 
        return eval("(" + cookie + ")"); 
    }, 
     
    get_cookie : function () { 
    //获取COOKIE 
        return (/CDrag=([^;]+)(?:;|$)/.exec(document.cookie) || [,])[1]; 
    }, 
     
    set_cookie : function () { 
    //设置COOKIE 
        var wc = this, date = new Date; 
        date.setDate(date.getDate() + 1); 
        document.cookie = "CDrag=" + wc.create_json() + ";expires=" + date.toGMTString(); 
    }, 
     
    del_cookie : function () { 
    //删除COOKIE 
        var wc = this, cookie = wc.get_cookie(), date; 
        if (cookie) { 
            date = new Date; 
            date.setTime(date.getTime() - 1); 
            document.cookie = "CDrag=" + cookie + ";expires=" + date.toGMTString(); 
        } 
    }, 
     
    parse : function (o) { 
    //初始化成员 
        try { 
            var wc = this, table = wc.table, cols, rows, div, i, j; 
            for (i = 0 ; i < o.length ; i ++) {

div = $(o[i].cols), cols = table.add(div); 
                for (j = 0 ; j < o[i].rows.length ; j ++) 
                    wc.add(cols.add(o[i].rows[j].id, o[i].rows[j].window, o[i].rows[j].locks)); 
            } 
        } catch (exp) { 
            wc.del_cookie(); 
        } 
    }, 
     
    add : function (o) { 
    //添加对象 
        var wc = this; 
        o.mousedown = Object.addEvent(o.title, ["onmousedown"], o.lockF(wc, wc.sMove, o)); 
        o.reduceFunc = Object.addEvent(o.reduce, ["onclick"], o.lockF(wc, wc.reduce, o)); 
        o.lockFunc = Object.addEvent(o.lock, ["onclick"], wc.lock.bind(wc, o)); 
        o.closeFunc = Object.addEvent(o.close, ["onclick"], o.lockF(wc, wc.close, o)); 
    }, 
     
    append : function () { 
        var wc = this; 
        wc.addc.add(); 
    } 
     
};

CDrag.database.json = [ 
         
    { id : "m_1_1", title : "假如说某类新闻", className : "News", src : "News" }, 
     
    { id : "m_1_2", title : "第一列的第二个", className : "第一列的第二个", src : "" }, 
     
    { id : "m_1_3", title : "第一列的第三个", className : "第一列的第三个", src : "" }, 
     
    { id : "m_1_4", title : "第一列的第四个", className : "第一列的第四个", src : "" }, 
     
    { id : "m_2_1", title : "第二列的第一个", className : "第二列的第一个", src : "" }, 
     
    { id : "m_2_2", title : "第二列的第二个", className : "第二列的第二个", src : "" }, 
     
    { id : "m_2_3", title : "第二列的第三个", className : "第二列的第三个", src : "" }, 
     
    { id : "m_2_4", title : "第二列的第四个", className : "第二列的第四个", src : "" }, 
     
    { id : "m_3_1", title : "假如说某类图片", className : "Pic", src : "Pic" }, 
     
    { id : "m_3_2", title : "第三列的第二个", className : "第三列的第二个", src : "" }, 
     
    { id : "m_3_3", title : "第三列的第三个", className : "第三列的第三个", src : "" }, 
     
    { id : "m_3_4", title : "第三列的第四个", className : "第三列的第四个", src : "" } 
     
];

Object.addEvent(window, ["onload"], function () { 
    var wc = new CDrag, cookie = wc.get_cookie(); 
         
        json = cookie ? wc.parse_json(unescape(cookie)) : [ 
         
        { cols : "m_1", rows : [ 
            { id : "m_1_1", window : 1, locks : false }, 
            { id : "m_1_2", window : 1, locks : false }, 
            { id : "m_1_3", window : 1, locks : false } 
        ] }, 
         
        { cols : "m_2", rows : [ 
            { id : "m_2_1", window : 1, locks : false }, 
            { id : "m_2_2", window : 1, locks : false }, 
            { id : "m_2_3", window : 1, locks : false } 
        ] }, 
         
        { cols : "m_3", rows : [ 
            { id : "m_3_1", window : 1, locks : false }, 
            { id : "m_3_2", window : 1, locks : false }, 
            { id : "m_3_3", window : 1, locks : false } 
        ] } 
         
    ]; 
     
    wc.parse(json); 
     
    (function (wc) { 
         
        $("DEL_CDrag").onclick = function () { 
            wc.del_cookie(); 
            window.location.reload(); 
        }; 
         
        $("ADD_CDrag").onclick = function () { 
            wc.append(); 
        }; 
         
    })(wc);

wc = null; 
}); 
</script> 
</head> 
<body>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

仿3721首页模块拖曳移动效果js代码[可拖曳层移动层]

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