drop down div 加注释 并求 保存数据库代码

本帖最后由 qq904492758 于 2009-12-04 13:29:34 编辑

解决方案 »

  1.   

    </style>    <script type="text/javascript">
    var CoolDrag={
        obj : null, //目标对象
        cloneobj : null, //拖动对象
        container : null, //容器
        dragged : false, //拖动标志
        shadow: null, //阴影
        
        init:function(id){
            CoolDrag.container = $(id);
            var cooldrag = CoolDrag.read("cooldrag");
            if(cooldrag != ""){//读取cookie
                var subcontainer = cooldrag.split("|");
                for(var i=0 ; i < subcontainer.length; i++){
                    var subcontainerItem = subcontainer[i].split(":");
                    if($(subcontainerItem[0])){
                        var items = subcontainerItem[1].split(",");
                        for(var j=0; j< items.length; j++){
                            if($(items[j])) $(subcontainerItem[0]).appendChild($(items[j]));
                        }
                    }
                }
            }
            cleanWhitespace(CoolDrag.container)//清除空白节点
            var collection = CoolDrag.container.getElementsByTagName("DIV");
            for(var i = 0; i < collection.length; i++){
                if(collection[i].className == "dragLayer"){
                    var o = collection[i].firstChild;            
                    SavedObject.push([o.parentNode.id,1,o.parentNode.style.height]);
                    o.onmousedown = CoolDrag.start;
                }
            }
            document.onmousemove = CoolDrag.drag;
            document.onmouseup = CoolDrag.end;
        },
        
        start:function(e){
            if(!e) e = window.event;
            var obj = getT(e);
            if(obj.className == "min"){
                CoolDrag.min(e);
                return;
            }else if(obj.className == "close"){
                CoolDrag.close(e);
                return;
            }else{
                if(obj.className != "dragHeader") obj = obj.parentNode;
            }
            CoolDrag.dragged = true;
            CoolDrag.obj = obj.parentNode;
            CoolDrag.cloneobj = CoolDrag.obj.cloneNode(true);
            document.body.appendChild(CoolDrag.cloneobj);
            CoolDrag.shadow = document.createElement("DIV");
            document.body.appendChild(CoolDrag.shadow);
            with(CoolDrag.cloneobj.style){
                position = "absolute";
                zIndex = 1000;
                left = getRealLeft(CoolDrag.obj) + "px";
                top = getRealTop(CoolDrag.obj) + "px";
            }
            with(CoolDrag.shadow.style){
                position = "absolute";
                zIndex = 999;
                left = getRealLeft(CoolDrag.obj) + 4 + "px";
                top = getRealTop(CoolDrag.obj) + 4 + "px";
                width = CoolDrag.obj.offsetWidth + "px";
                height = CoolDrag.obj.offsetHeight + "px";
                backgroundColor = "#ccc";
                if(navigator.userAgent.indexOf("Gecko") != -1)
                    MozOpacity = "0.5";
                else if(navigator.userAgent.indexOf("MSIE") != -1)
                    filter = "alpha(opacity=50)";
            }
            
            CoolDrag.cloneobj.initMouseX = getMouseX(e);
            CoolDrag.cloneobj.initMouseY    = getMouseY(e);
            CoolDrag.cloneobj.initoffsetL = getRealLeft(CoolDrag.obj);
            CoolDrag.cloneobj.initoffsetY = getRealTop(CoolDrag.obj);
            //change style
            CoolDrag.cloneobj.firstChild.className="dragHeader_over";
            CoolDrag.cloneobj.className = "dragLayer_over";
            CoolDrag.obj.className="clone_dragLayer_over";
        },
      

  2.   

      
        drag:function(e){
            if(!CoolDrag.dragged||CoolDrag.obj==null)return;
            if(!e) e = window.event;
            var currenX = getMouseX(e);
            var currenY = getMouseY(e);
            
            if(CoolDrag.cloneobj.initoffsetL +  currenX - CoolDrag.cloneobj.initMouseX > getRealLeft(CoolDrag.container))
                CoolDrag.cloneobj.style.left = (CoolDrag.cloneobj.initoffsetL +  currenX - CoolDrag.cloneobj.initMouseX) + "px";
            else
                CoolDrag.cloneobj.style.left = getRealLeft(CoolDrag.container) + "px";
            if(CoolDrag.cloneobj.initoffsetY +  currenY - CoolDrag.cloneobj.initMouseY > getRealTop(CoolDrag.container))
                CoolDrag.cloneobj.style.top = (CoolDrag.cloneobj.initoffsetY +  currenY - CoolDrag.cloneobj.initMouseY) + "px";
            else
                CoolDrag.cloneobj.style.top = getRealTop(CoolDrag.container) + "px";
            var collection = CoolDrag.container.getElementsByTagName("DIV");
            var finded = false;
            for(var i = 0; i < collection.length; i++){
                var o = collection[i];
                if(o.className == "dragLayer"){
                    if(((getRealLeft(o) <= CoolDrag.cloneobj.offsetLeft &&  getRealLeft(o) + o.offsetWidth >= CoolDrag.cloneobj.offsetLeft) ||          
                    (getRealLeft(o) <= CoolDrag.cloneobj.offsetLeft + CoolDrag.cloneobj.offsetWidth &&
                    getRealLeft(o) + o.offsetWidth >= CoolDrag.cloneobj.offsetLeft + CoolDrag.cloneobj.offsetWidth)) &&
                       getRealTop(o) <= CoolDrag.cloneobj.offsetTop && getRealTop(o) + o.offsetHeight >= CoolDrag.cloneobj.offsetTop)
                    {
                        //window.status = getRealTop(o.parentNode)+"|"+(CoolDrag.cloneobj.offsetTop - 8);
                        if(getRealTop(o.parentNode) >= CoolDrag.cloneobj.offsetTop - 8){
                            o.parentNode.insertBefore(CoolDrag.obj,o);
                        }else{
                            if(o.nextSibling)
                                o.parentNode.insertBefore(CoolDrag.obj,o.nextSibling);
                            else
                                o.parentNode.appendChild(CoolDrag.obj);
                        }    
                        finded = true;
                        break;
                    }    
                }
            }
            if(!finded){
                for(var i = 0; i < CoolDrag.container.childNodes.length; i++){
                    var o = CoolDrag.container.childNodes[i];
                    if(getRealLeft(o) <= CoolDrag.cloneobj.offsetLeft &&  getRealLeft(o) + o.offsetWidth >= CoolDrag.cloneobj.offsetLeft)
                        o.appendChild(CoolDrag.obj);
                }
            }
            with(CoolDrag.shadow.style){
                left = (CoolDrag.cloneobj.offsetLeft + 4) + "px";
                top = (CoolDrag.cloneobj.offsetTop + 4) + "px";
            }
            //document.title = CoolDrag.cloneobj.style.left + "|" + CoolDrag.shadow.style.left;
        },
        
        end:function(e){
            if(!CoolDrag.dragged)return;
            CoolDrag.obj.className = "dragLayer";
            CoolDrag.dragged = false;
            CoolDrag.shadow.parentNode.removeChild(CoolDrag.shadow);
            CoolDrag.timer = CoolDrag.repos(150,15);
            //保存cookie
            var str="";
            for(var i=0; i<CoolDrag.container.childNodes.length; i++){
                var o = CoolDrag.container.childNodes[i];
                if(i>0)str += "|";
                str += o.id + ":";
                for(var j=0; j < o.childNodes.length; j++){
                    if(j>0)str += ",";
                    str += o.childNodes[j].id ;
                }
            }
            CoolDrag.save("cooldrag",str,24);
        },
        repos:function(aa,ab){
            //var f=CoolDrag.obj.filters.alpha.opacity;
            var tl=getRealLeft(CoolDrag.cloneobj);
            var tt=getRealTop(CoolDrag.cloneobj);
            var kl=(tl-getRealLeft(CoolDrag.obj))/ab;
            var kt=(tt-getRealTop(CoolDrag.obj))/ab;
            //var kf=f/ab;
            return setInterval(function(){if(ab<1){
                                    clearInterval(CoolDrag.timer);
                                    CoolDrag.cloneobj.parentNode.removeChild(CoolDrag.cloneobj);
                                    CoolDrag.obj=null;
                                    return;
                                }
                            ab--;
                            tl-=kl;
                            tt-=kt;
                            //f-=kf;
                            CoolDrag.cloneobj.style.left=parseInt(tl)+"px";
                            CoolDrag.cloneobj.style.top=parseInt(tt)+"px";
                            //CoolDrag.tdiv.filters.alpha.opacity=f;
                        }
        ,aa/ab)
        },
      

  3.   

      min:function(e){
            if(!e) e = window.event;
            var obj = getT(e);
            var rootObj = obj.parentNode.parentNode.parentNode;
            var id = rootObj.id;
            if(SavedObject.getStatus(id)[1]){    
                SavedObject.setStatus(id,0);  
                rootObj.style.height = "20px";
                rootObj.childNodes[1].style.display = 'none';    
            }else{
                SavedObject.setStatus(id,1);  
                rootObj.lastChild.style.display = '';    
                rootObj.style.height = SavedObject.getStatus(id)[2];
            }
            obj.innerHTML = obj.innerHTML==0 ? 2 :0;
        },
        close:function(e){
            if(!e) e = window.event;
            var obj = getT(e);
            var rootObj = obj.parentNode.parentNode.parentNode;
            rootObj.parentNode.removeChild(rootObj);
        },
        save:function(name, value, hours){
            var expire = "";
            if(hours != null)
            {
            expire = new Date((new Date()).getTime() + hours * 3600000);
            expire = "; expires=" + expire.toGMTString();
            }
            document.cookie = name  + "=" + escape(value) + expire;
        },
        read:function(name){
            var cookieValue = "";
            var search = name + "=";
            if(document.cookie.length > 0)
            {
            offset = document.cookie.indexOf(search);
            if (offset != -1)
            {
              offset += search.length;
              end = document.cookie.indexOf(";", offset);
              if (end == -1) end = document.cookie.length;
              cookieValue = unescape(document.cookie.substring(offset, end))
            }
            }
            return cookieValue;
        }
    }
    function $(id){
        return document.getElementById(id);
    }
    function getT(e){
        return e.target || e.srcElement;
    }
    function getMouseX(e){
        return e.pageX ? e.pageX : e.clientX + document.body.scrollLeft - document.body.clientLeft;
    }
    function getMouseY(e){
        return e.pageY ? e.pageY : e.clientY + document.body.scrollTop  - document.body.clientTop;
    }
    function getRealLeft(o){
        var l = 0;
        while(o){
            l += o.offsetLeft - o.scrollLeft;
            o = o.offsetParent;
        }
        return(l);
    }
    function getRealTop(o){
        var t = 0;
        while(o){
            t += o.offsetTop - o.scrollTop;
            o = o.offsetParent;
        }
        return(t);
    }
    function cleanWhitespace(node) {
         var notWhitespace = /\S/;
         for (var i=0; i < node.childNodes.length; i++) {
             var childNode = node.childNodes[i];
             if ((childNode.nodeType == 3)&&(!notWhitespace.test(childNode.nodeValue))) {
                 node.removeChild(node.childNodes[i]);
                 i--;
             }
             if (childNode.nodeType == 1) {
                 cleanWhitespace(childNode);
             }
         }
    }