main.js.svn-base

一个基于浏览器的即使通讯实例,采用xhtml+css+javascript架构

			var friends = user.friends;
			function loadUser(){
			    document.getElementById('loginEmail').firstChild.nodeValue = user.name;
			    document.getElementById('nickName').firstChild.nodeValue =user.nickName;
			}
			
			function Friend(email,nick,status,isBlock){
			    this.email = email;
			    this.nick = nick;
			    this.status = status;
			    this.isBlock = isBlock;
			}
			
			Friend.prototype.equals = function(another){
			    return!(!(this.email==another.email) || !(this.nick==another.nick) || !(this.isSameStatus(another)));
			}
			
			Friend.prototype.isSameStatus = function(another){
			    return !((!this.status==another.status) || !(this.isBlock==another.isBlock));
			}
			
			Friend.prototype.getGroup = function(){
			    if(this.isBlock == 1){
			        return document.getElementById("blockedFriends");
			    }else{
			        switch (this.status){
			            case "NLN":
			            case "PHN":
			            case "BSY":
			            case "IDL":
			            case "AWY":
			            case "BRB":
			            case "LUN":
			                return document.getElementById("onlineFriends");
			            case "FLN":
			            case "HDN":
			                return document.getElementById("offlineFriends");
			            default :
			                return document.getElementById("lastedFriends");
			       }
			    }
			}
			
			friends.put=function(friend){
			    if (this[friend.email]==undefined){
			        this.append(friend);
			    }
			    else{
			        this.modify(friend);
			    }
			    changeGroupBars();
			}
			
			friends.modify=function(friend){
			    if (this[friend.email].equals(friend)) return;
			    
			    if ( !(this[friend.email].isSameStatus( friend )) ){
			        var _item = document.getElementById( hashCode(friend.email) );
			    
			       _item.parentNode.removeChild(_item);
			       
			       friend.getGroup().appendChild( _item );
			    }
			    else{
			        _item.firstChild.nodeValue = friend.nick;
			    } 
			}
			
			friends.append=function(friend){
			    this[friend.email]=friend;
			    var _item = document.createElement("a");
				_item.setAttribute("id",hashCode(friend.email));
			    _item.setAttribute("title","email:"+friend.email+"\n昵称："+friend.nick+"\n状态："+getStatus(friend.status));
			    //_item.setAttribute("style","margin-left:40px; display:block;");
			    _item.setAttribute("class","friend");
			    _item.setAttribute("href","#");
			    _item.setAttribute("onclick","changedisplay('conversation','mainUI');loadFriend(friend);");
			    
			    _item.appendChild(document.createTextNode(friend.nick));
			    friend.getGroup().appendChild( _item );
			}
			function dealSpecialChar(str){
			
			}
			function changeGroupBars(){
			    changeGroup("lastedFriends","最近联系人(");
			    changeGroup("onlineFriends"," 联 机(");
			    changeGroup("offlineFriends"," 脱 机(");
			    changeGroup("blockedFriends"," 阻 止(");
			}
			
			function changeGroup(group,value){
			 var element =document.getElementById(group+"Bar");
			 var value =value+document.getElementById(group).childCount+")";
			  element.setAttribute("value",value);
			    if(document.getElementById(group).childCount>0)
			    {
			        var groupNode=document.getElementById(group);
			        for(i=groupNode.childCount-1;i>-1;i--){
			        }
			    }
			}
			function hashCode(str){
			    var h = 0, off = 0;
			    var len = str.length;
			    for(var i =len-1; i >=0; i--){
			        h = 31 * h + str.charCodeAt(off++);
			    }
			    return h % 2147483647;
			}
			function loadFriend(friend){
			    document.getElementById("Div1").firstChild.nodeValue =friend.email;
			    document.getElementById("Div2").firstChild.nodeValue =friend.nick;
			}						
			function getStatus(statu){
			    switch(statu){
			        case "HDN":
			            return "显示为脱机";
			            break;
			        case "AWY":
			            return "离开";
			            break;
			        case "BRB":
			            return "马上回来";
			            break;
			        case "BSY":
			            return "忙碌";
			            break;
			        case "IDL":
			            return "空闲";
			            break;
			        case "FLN":
			            return "脱机";
			            break;
			        case "PHN":
			            return "接听电话";
			            break;
			        case "NLN":
			            return "联机";
			            break;
			        case "LUN":
			            return "外出就餐";
			            break;
			    }
			}