二叉树排序算法

2017-05-31  本文已影响0人  简单的名字吧
QQ图片20170531140512.png

真的是写了好久
其中算法绕死人~
不过静下心来好好地一步一步研究,然后写出来还是非常有成就感滴O(∩_∩)O~~
接下来把代码记录下来以便自己后来再回顾~

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
</head>
<style type="text/css">
.OrgBox{
font-size:12px;
padding:5px 5px 5px 5px;
clear:left;
float:left;
text-align:center;
position:absolute;
}
.OrgBox div{
color:#FFA500;
font-weight:800;
}

</style>
<script type="text/javascript">
    function offset(node){
        var x = node.offsetLeft;
        var y = node.offsetTop;
        var w = node.offsetWidth;
        var h = node.offsetHeight;
        var parent = node.offsetParent;
        while (parent != null){
            x += parent.offsetLeft;
            y += parent.offsetTop;
            parent = parent.offsetParent;
        }
        if(w==0){
            w+=parseInt(node.currentStyle.width);
            w+=parseInt(node.currentStyle.paddingRight);
            w+=parseInt(node.currentStyle.paddingLeft);
            w+=parseInt(node.currentStyle.borderWidth) * 2;
        }
        if(h==0){
            h+=parseInt(node.currentStyle.height);
            h+=parseInt(node.currentStyle.paddingTop);
            h+=parseInt(node.currentStyle.paddingBottom);
            h+=parseInt(node.currentStyle.borderWidth) * 2;
        }
        return {x: x, y: y, w: w, h: h};
    }
     
    function OrgNode(){
        this.Text=null;
        this.Link=null;
        this.Description=null;
        this.BoxWidth=null;
        this.BoxHeight=null;
        this.parentNode=null;
        this.NodeGroupId=null; //同一层的级别序号,从零开始
        this.NodeOrderId=null; //同一级中的序号,从零开始
        this.TopLine=null;
        this.BottomLine=null;
        this.Depth=null;
        this.Top=null;
        this.Left=null;
        this.Type=null;
        this.Nodes=[];
        this.customParam=[]; //节点自定义参数
        var This=this;
        this.Nodes.Add=function(OrgNode_){
            OrgNode_.parentNode=This;
            This.Nodes[This.Nodes.length]=OrgNode_;
        }
        this.Box=null;
        this.Templet=null;
        this.Id="OrgNode_"+ GetRandomId(20);
         
        this.inIt= function(parent){
            if(this.inIted==true)return;
            var tempDiv=document.createElement("DIV");
            parent.appendChild(tempDiv);
            var tempHTML=this.Templet;
            tempHTML=tempHTML.replace("{Id}", this.Id);
            tempHTML=tempHTML.replace("{Text}", this.Text);
            for(var Param_ in  this.customParam){
                tempHTML=tempHTML.replace("{"+ Param_ +"}", this.customParam[Param_]);
            }
            tempDiv.innerHTML=tempHTML;
            this.Box=document.getElementById(this.Id);
             
            if(this.BoxWidth!=null){
                if(offset(this.Box).w < this.BoxWidth){
                    this.Box.style.width=this.BoxWidth +"px";
                    if(offset(this.Box).w > this.BoxWidth){
                        this.Box.style.width=(this.BoxWidth - (offset(this.Box).w - this.BoxWidth)) +"px";
                    }
                }
            }
             
            if(this.BoxHeight!=null){
                if(offset(this.Box).h < this.BoxHeight){
                    this.Box.style.height=this.BoxHeight +"px";
                    if(offset(this.Box).h > this.BoxHeight){
                        this.Box.style.height=(this.BoxHeight - (offset(this.Box).h - this.BoxHeight)) +"px";
                    }
                }
            }
     
            this.Width=offset(this.Box).w;
            this.Height=offset(this.Box).h;
            this.inIted=true;
        }
     
        function GetRandomId(n_){
            var litter="abcdefghijklmnopqrstuvwxyz"
            litter+=litter.toUpperCase()
            litter+="1234567890";
            var idRnd="";
            for(var i=1; i<=n_; i++){
                idRnd+=litter.substr((0 + Math.round(Math.random() * (litter.length - 0))), 1)
            }
            return idRnd;
        }
    }
     
    function OrgShow(OrgNode_){
        this.parent=document.body;
        this.LineSize=2;
        this.LineColor="#000000";
     
        this.IntervalWidth=100;
        this.IntervalHeight=50;
        this.Top=0;
        this.Left=0;
        this.Depth=0;
        this.Nodes=[];
        this.DepthGroup=[]; //this.DepthGroup[n].Nodes 层深节点集合
        //this.DepthGroup[n].NodeGroups[m]  层深节点按上层分类集合 this.DepthGroup[n].NodeGroups[m][k]层深节点
        var This=this;
        this.BoxWidth=null;
        this.BoxHeight=null;
        this.BoxTemplet=null;
        this.ShowType=null;
     
        this.Run=function(){
            BoxInit(OrgNode_, this.parent);
            GetDepth(OrgNode_);
            SetDepthsHeight()//设置层深高度
             
            //***************************
            for(var n=1; n<=this.Depth; n++){//设置顶距离
                var tempTop=this.Top + GetDepthHeightToRoot(n);
                var tempNodes=this.DepthGroup[n].Nodes;
                for(var m=0; m<tempNodes.length; m++){
                    tempNodes[m].Top=tempTop;
                }
            }
     
            //***************************
            for(var n=this.Depth; n>=1; n--){//设置左距离
                var DepthNodes=this.DepthGroup[n].Nodes;
                if(n==this.Depth){
                    for(var m=0; m<DepthNodes.length; m++){
                        if(m==0){
                            DepthNodes[m].Left=0;
                        }else{
                            DepthNodes[m].Left=DepthNodes[m-1].Left + DepthNodes[m-1].Width + this.IntervalWidth;
                        }
                    }
                }else{
                    for(var m=0; m<DepthNodes.length; m++){
                        if(DepthNodes[m].Nodes.length!=0){
                            var tempNodeLeft_=DepthNodes[m].Nodes[0].Left + (GetGroupWidthByNode(DepthNodes[m].Nodes[0]) / 2);
                            tempNodeLeft_-=(DepthNodes[m].Width / 2);
                            DepthNodes[m].Left = tempNodeLeft_;
                        }
                    }
                    for(var m=0; m<DepthNodes.length; m++){
                        if(DepthNodes[m].Left==null){
                            SetLeftByDepthNode(DepthNodes, m, "LTR");
                        }
                    }
                }
            }
            SetDepthGroupWidth();//设置群组宽度
     
            var MaxLeftValue=this.Nodes[0].Left;
            for(var n=1; n<this.Nodes.length; n++){//取得最小左距离
                if(MaxLeftValue>this.Nodes[n].Left){
                    MaxLeftValue=this.Nodes[n].Left;
                }
            }
            MaxLeftValue=(-MaxLeftValue) + this.Left;
            for(var n=0; n<this.Nodes.length; n++){//重新设置距离
                this.Nodes[n].Left+=MaxLeftValue;
                this.Nodes[n].Box.style.left=this.Nodes[n].Left + "px"
                this.Nodes[n].Box.style.top=this.Nodes[n].Top + "px"
            }
             
             
            //***************************
            for(var n=1; n<=this.Depth; n++){//设置竖线条
                var tempNodes=this.DepthGroup[n].Nodes;
                for(var m=0; m<tempNodes.length; m++){
                    if(n!=this.Depth){//设置底线条
                        if(tempNodes[m].Nodes.length!=0){
                            var tempLineLeft=tempNodes[m].Left + (tempNodes[m].Width / 2);
                            var tempLineHeight=((this.IntervalHeight - this.LineSize) / 2);
                            tempLineHeight+=(this.DepthGroup[n].Height - tempNodes[m].Height);
                            var tempLineTop=tempNodes[m].Top + tempNodes[m].Height;
                            var tempBottomLine=new CreateLine(2, tempLineTop, tempLineLeft, tempLineHeight, this.LineSize, this.LineColor, "LineBottom_"+ tempNodes[m].Id, this.parent);
                            tempNodes[m].BottomLine=tempBottomLine.Line;
                        }
                    }
                    if(n!=1){//设置顶线条
                        var tempLineLeft=tempNodes[m].Left + (tempNodes[m].Width / 2);
                        var tempLineHeight=((this.IntervalHeight - this.LineSize) / 2);
                        var tempLineTop=tempNodes[m].Top -  tempLineHeight;
                        if(this.DepthGroup[tempNodes[m].Depth].NodeGroups[tempNodes[m].NodeGroupId].length==1){//如果只有一个节点
                            var tempBottomLineHeight=parseFloat(tempNodes[m].parentNode.BottomLine.style.height) + this.LineSize;
                            tempNodes[m].parentNode.BottomLine.style.height=(tempLineHeight + tempBottomLineHeight)+"px";
                        }else{
                            var temptopLine=new CreateLine(2, tempLineTop, tempLineLeft, tempLineHeight, this.LineSize, this.LineColor, "LineTop_"+ tempNodes[m].Id, this.parent);
                            tempNodes[m].TopLine=temptopLine.Line;
                        }
                    }
                }
            }
             
            for(var n=2; n<=this.Depth; n++){//设置横线条
                var tempNodeGroups_=this.DepthGroup[n].NodeGroups;
                for(var m=0; m<tempNodeGroups_.length; m++){
                    if(tempNodeGroups_[m].length!=1){
                        var tempLineWidth=tempNodeGroups_[m].Width - (tempNodeGroups_[m][0].Width / 2) + this.LineSize;
                        tempLineWidth-=(tempNodeGroups_[m][tempNodeGroups_[m].length-1].Width / 2);
                        var tempLineTop=tempNodeGroups_[m][0].Top - ((this.IntervalHeight - this.LineSize) / 2) - this.LineSize;
                        var tempLineLeft=tempNodeGroups_[m][0].Left + (tempNodeGroups_[m][0].Width / 2);
                        var tempGroupLine=new CreateLine(1, tempLineTop, tempLineLeft, tempLineWidth, this.LineSize, this.LineColor, "LineGroup_"+ tempNodeGroups_[m][0].Id, this.parent);
                    }
                }
            }
        }
        function GetGroupWidthByNode(Node_){//根据群组中任一节点,取得群组宽度
            var tempNodesGroup_=This.DepthGroup[Node_.Depth].NodeGroups[Node_.NodeGroupId];
            var tempGroupWidth_=tempNodesGroup_[tempNodesGroup_.length-1].Left - tempNodesGroup_[0].Left;
            tempGroupWidth_+=tempNodesGroup_[tempNodesGroup_.length-1].Width
            return tempGroupWidth_;
        }
         
         
        function SetLeftByDepthNode(DepthNodes_, NodeId, Type){
            if(Type=="LTR"&&NodeId==DepthNodes_.length-1){
                SetLeftByDepthNode(DepthNodes_, NodeId, "RTL");
                return;
            }
            if(Type=="RTL"&&NodeId==0){
                SetLeftByDepthNode(DepthNodes_, NodeId, "LTR");
                return;
            }
            var FindIndex=null;
            if(Type=="LTR"){
                for(var r_=NodeId+1; r_<DepthNodes_.length; r_++){
                    if(DepthNodes_[r_].Left!=null){
                        FindIndex=r_;
                        break;
                    }
                }
                if(FindIndex==null){
                    SetLeftByDepthNode(DepthNodes_, NodeId, "RTL");
                    return;
                }else{
                    for(var r_=FindIndex-1; r_>=NodeId; r_--){
                        DepthNodes_[r_].Left=DepthNodes_[r_+1].Left - This.IntervalWidth - DepthNodes_[r_].Width;
                    }
                }
            }
            if(Type=="RTL"){
                for(var r_=NodeId-1; r_>=0; r_--){
                    if(DepthNodes_[r_].Left!=null){
                        FindIndex=r_;
                        break;
                    }
                }
                if(FindIndex==null){
                    SetLeftByDepthNode(DepthNodes_, NodeId, "LTR");
                    return;
                }else{
                    for(var r_=FindIndex+1; r_<=NodeId; r_++){
                        DepthNodes_[r_].Left=DepthNodes_[r_-1].Left + This.IntervalWidth + DepthNodes_[r_-1].Width;
                    }
                }
            }
        }
         
        function GetDepthHeightToRoot(DepthId){//取得距离顶层的高度
            var tempHeight_=0;
            for(var x_=DepthId; x_>=1; x_--){
                tempHeight_+=This.DepthGroup[x_].Height;
            }
            tempHeight_+=This.IntervalHeight * (DepthId - 1);
            tempHeight_-=This.DepthGroup[DepthId].Height;
            return tempHeight_;
        }
         
         
        function SetLeftPosByChildNode(Node_, ChildNode_){//根据下级节点位置设置节点位置
            var tempNodeGroups=This.DepthGroup[ChildNode_.Depth].NodeGroups[ChildNode_.NodeGroupId];
            var tempNodeLeft;
            if(tempNodeGroups.length==1){
                tempNodeLeft=((ChildNode_.Width / 2) + ChildNode_.Left) - (Node_.Width / 2);
            }else{
                tempNodeLeft=GetFirstLeftPos(ChildNode_) + (tempNodeGroups.Width / 2) - (Node_.Width / 2);
            }
            Node_.Left=tempNodeLeft;
        }
         
        function GetFirstLeftPos(Node_){//根据节点位置取得同一级中首个节点位置
            if(Node_.NodeOrderId==0){//Node_为首节点
                return Node_.Left;
            }
            var tempWidth=0;
            for(var k_=0; k_<=Node_.NodeOrderId; k_++){
                var tempGroupsNode=This.DepthGroup[Node_.Depth].NodeGroups[Node_.NodeGroupId][k_];
                tempWidth+=tempGroupsNode.Width;
            }
            tempWidth+=(Node_.NodeOrderId * This.IntervalWidth);
            return ((Node_.Left - tempWidth) + (Node_.Width / 2));
        }
         
     
        function ChildNodesWidth(OrgObj){//取得层宽
            var ReWidth=0;
            for(var s_=0; s_<OrgObj.Nodes.length; s_++){
                ReWidth+=OrgObj.Nodes[s_].Width;
            }
            ReWidth+=(OrgObj.Nodes.length-1) * This.IntervalWidth;
            return ReWidth;
        }
         
        function SetDepthGroupWidth(){//设置层深宽度
            for(var n_=1; n_<=This.Depth; n_++){
                var tempNodeGroups=This.DepthGroup[n_].NodeGroups;
                for(var m_=0; m_<tempNodeGroups.length; m_++){
                    tempNodeGroups[m_].Width=GetGroupWidthByNode(tempNodeGroups[m_][0]);
                }
            }
        }
         
         
        function SetDepthsHeight(){//设置层深高度
            for(var n_=1; n_<=This.Depth; n_++){
                var tempNodes_=This.DepthGroup[n_].Nodes;
                var MaxHeight=0;
                for(var m_=0; m_<tempNodes_.length; m_++){
                    if(tempNodes_[m_].Height>MaxHeight){
                        MaxHeight=tempNodes_[m_].Height;
                    }
                }
                This.DepthGroup[n_].Height=MaxHeight;
            }
        }
     
        function GetDepth(OrgObj){//取得层深,层群集
            This.Nodes[This.Nodes.length]=OrgObj;
            OrgObj.Depth=(This.Depth==0)?This.Depth+1:OrgObj.parentNode.Depth+1;
            This.Depth=(OrgObj.Depth>This.Depth)?OrgObj.Depth:This.Depth;
            if(typeof(This.DepthGroup[OrgObj.Depth])!="object"){
                This.DepthGroup[OrgObj.Depth]=[];
                This.DepthGroup[OrgObj.Depth].Nodes=[];
                This.DepthGroup[OrgObj.Depth].NodeGroups=[];
            }
            This.DepthGroup[OrgObj.Depth].Nodes[This.DepthGroup[OrgObj.Depth].Nodes.length]=OrgObj;
            if(OrgObj.Depth==1){
                This.DepthGroup[OrgObj.Depth].NodeGroups[0]=[];
                This.DepthGroup[OrgObj.Depth].NodeGroups[0][0]=OrgObj;
                OrgObj.NodeGroupId=0;
                OrgObj.NodeOrderId=0;
            }else{
                if(This.DepthGroup[OrgObj.Depth].NodeGroups.length==0){
                    This.DepthGroup[OrgObj.Depth].NodeGroups[0]=[];
                    This.DepthGroup[OrgObj.Depth].NodeGroups[0][0]=OrgObj;
                    OrgObj.NodeGroupId=0;
                    OrgObj.NodeOrderId=0;
                }else{
                    var GroupsLength=This.DepthGroup[OrgObj.Depth].NodeGroups.length;
                    var GroupNodesLength=This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength-1].length;
                    if(OrgObj.parentNode==This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength-1][GroupNodesLength-1].parentNode){
                        This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength-1][GroupNodesLength]=OrgObj;
                        OrgObj.NodeGroupId=GroupsLength-1;
                        OrgObj.NodeOrderId=GroupNodesLength;
                    }else{
                        if(typeof(This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength])!="object"){
                            This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength]=[];
                        }
                        GroupNodesLength=This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength].length;
                        This.DepthGroup[OrgObj.Depth].NodeGroups[GroupsLength][GroupNodesLength]=OrgObj;
                        OrgObj.NodeGroupId=GroupsLength;
                        OrgObj.NodeOrderId=GroupNodesLength;
                    }
                }
            }
             
            if(OrgObj.Nodes.length!=0){
                for(var n=0; n<OrgObj.Nodes.length; n++){
                    GetDepth(OrgObj.Nodes[n]);
                }
            }
        }
        function BoxInit(OrgObj_, Parent_){//节点初始化
            OrgObj_.Templet=GetBoxTemplet();
            OrgObj_.BoxWidth=This.BoxWidth;
            OrgObj_.BoxHeight=This.BoxHeight;
            OrgObj_.inIt(Parent_);
         
            if(OrgObj_.Nodes.length!=0){
                for(var n=0; n<OrgObj_.Nodes.length; n++){
                    BoxInit(OrgObj_.Nodes[n], Parent_);
                }
            }
        }
     
        function GetBoxTemplet(){//取得节点模板
            if(This.BoxTemplet!=null)return This.BoxTemplet;
            var TempletStr="<div id=\"{Id}\" style=\"font-size:12px;padding:5px 5px 5px 5px;border:thin solid blue;background-color:lightgrey; clear:left;float:left;text-align:center;position:absolute;"
            TempletStr+="\"></div>";
            return TempletStr;
        }
         
        function CreateLine(type_, top_, left_, long_, size_, color_, id_, parent_){
            this.Type=type_;
            top_=top_+"";
            left_=left_+"";
            long_=long_+"";
            this.Top=(top_.substr(top_.length-2).toLowerCase()!="px")?top_+"px":top_;
            this.Left=(left_.substr(left_.length-2).toLowerCase()!="px")?left_+"px":left_;
            this.Long=(long_.substr(long_.length-2).toLowerCase()!="px")?long_+"px":long_;
            this.Size=(size_==undefined)?"1px":size_+"";
            this.Id=(id_==undefined)?null:id_;
            this.Size=(this.Size.substr(this.Size.length-2).toLowerCase()!="px")?this.Size+"px":this.Size;
            this.Color=(color_==undefined)?"#000000":color_;
            this.Line=document.createElement("DIV");
            parent_.appendChild(this.Line);
            this.Line.innerText="x";
            this.Line.style.position="absolute";
            this.Line.style.top=this.Top;
            this.Line.style.left=this.Left;
            this.Line.style.overflow="hidden";
            if(this.Type==1){
                this.Line.style.borderTopColor=this.Color;
                this.Line.style.borderTopWidth=this.Size;
                this.Line.style.borderTopStyle="solid";
                this.Line.style.width=this.Long;
                this.Line.style.height="0px";
            }else{
                this.Line.style.borderLeftColor=this.Color;
                this.Line.style.borderLeftWidth=this.Size;
                this.Line.style.borderLeftStyle="solid";
                this.Line.style.height=this.Long;
                this.Line.style.width="0px";
            }
            if(this.Id!=null)this.Line.id=this.Id;
        }
     
    }
    function showChildNode(child){
        var b=new OrgNode();
        b.customParam.title = child.title;
        if(child.children && child.children.length){
            for(var i=0;i<child.children.length;i++){
                b.Nodes.Add(showChildNode(child.children[i]));
            }
        }
        return b;
    }
     
    function paintContactOrganization(dataArr, container){
        var a=new OrgNode();
        a.customParam.title = dataArr.title;
        if(dataArr.children && dataArr.children.length){
            for(var i=0;i<dataArr.children.length;i++){
                a.Nodes.Add(showChildNode(dataArr.children[i]));
            }
        }
        var OrgShows=new OrgShow(a);
        OrgShows.parent = container||document.body; //设置父容器
        OrgShows.Top=50;  //设置顶距离
        OrgShows.Left=50; //设置左距离
        OrgShows.IntervalWidth=20; //设置节点间隔宽度
        OrgShows.IntervalHeight=60; //设置节点间隔高度
        OrgShows.ShowType=1;  //设置节点展示方式  1横向  2竖向
        OrgShows.BoxHeight=30;  //设置节点默认高度
        //OrgShows.BoxWidth=100; //设置节点默认宽度
        var TempletStr="<div id=\"{Id}\" style=\"font-size:13px;padding:15px 15px 15px 15px;border:15px thin outset #7f8183;border-radius:10px;background-color:#bae0e3; clear:left;float:left;text-align:center;position:absolute;"
        TempletStr+="\"><div style=\"line-height:20px;\">{title}</div></div>";
        OrgShows.BoxTemplet = TempletStr;
        OrgShows.Run();
    }
</script>
<body>
<div id="tree" style="position: relative;width: 100%;margin: 0 auto;"></div>
<script language="javascript" type="text/javascript">
    var arr = {
        id:1,
        title:"这是脑袋 ",
        children:[
            {
                id:11,
                title:"节点1.1",
                children:[
                    {
                        id:111,
                        title:"子节点1.1_1",
                        children:[
                            {
                                id:1111,
                                title:"子节点1.1.1_1"
                            },
                            {
                                id:1112,
                                title:"子节点1.1.1_2"
                            }
                        ]
                    },
                    {
                        id:112,
                        title:"子节点1.1_2",
                        children:[
                            {
                                id:1121,
                                title:"子节点1.1.2_1"
                            },
                            {
                                id:1122,
                                title:"子节点1.1.2_2"
                            }
                        ]
                    }
                ]
            },
            {
                id:12,
                title:"节点1.2",
                children:[
                    {
                        id:121,
                        title:"子节点1.2_1"
                    },
                    {
                        id:122,
                        title:"子节点1.2_2",
                        children:[
                            {
                                id:1221,
                                title:"子节点1.2.2_1"
                            },
                            {
                                id:1222,
                                title:"子节点1.2.2_2"
                            }
                        ]
                    }
                ]
            },
        ]
    }
    paintContactOrganization(arr, document.querySelector("#tree"));
</script>
</body>

</html>

一步一步缕清楚就好啦加油

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