MindMap-Web/edit.html at master · techxinli/MindMap-Web · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>思维导图</title>
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <style>

    .node circle {
        fill: #999;
    }

    .node text {
        font: 10px sans-serif;
    }

    .node--internal circle {
        fill: #555;
    }

    .node--internal text {
        text-shadow: 0 1px 0 #fff, 0 -1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff;
    }

    .link {
        fill: none;
        stroke: #555;
        stroke-opacity: 0.4;
        stroke-width: 1.5px;
    }

    </style>
</head>

<body>
<svg width="800" height="600"></svg>
<br>选中元素<br>
<input type="text" name="选中元素" value="" id="select">
<input type="submit" id="delete" value="delete" />
<br>增加元素<br>
<input type="text" name="增加元素" value="" id="addNum">
<input type="submit" id="add" value="add" />
<br>修改元素<br>
<input type="text" name="修改名字" value="" id="changename1">
<input type="submit" id="change" value="change" />
<script>

//currentdata 当前数据

d3.csv("flare.csv", function(error, data) {
    //console.log(data);
    if (error) throw error;
    document.getElementById("delete")
            .addEventListener("click", deletedata);
    document.getElementById("add")
            .addEventListener("click", adddata);
    document.getElementById("change")
            .addEventListener("click", changename);

    function saveData() {
        // var request = new XMLHttpRequest();
        // request.open("POST", document.URL, true);
        // request.onreadystatechange = on_change;
        // function on_change() {
        //     if (request.readyState == 4) {
        //         if (request.status == 200) {
        //             alert("Save file success");
        //         } else {
        //             alert("Save file failed");
        //         }
        //     }
        // }
        // request.send(d3.csvFormat(data));
    }
    draw(data);
});

//画图之函数，可供重复调用
function draw(data) {
    //console.log(data);

    currentdate = data;
    var svg = d3.select("svg"),
        width = +svg.attr("width"),
        height = +svg.attr("height")

    svg.selectAll("*").remove();
    var g = svg.append("g").attr("transform", "translate(40,0)");

    var tree = d3.tree()
                 .size([height, width - 160]);
    var stratify = d3.stratify()
                     .parentId(function(d) { return d.id.substring(0, d.id.lastIndexOf(".")); });
    var root = stratify(data)
                .sort(function(a, b) { return (a.height - b.height) || a.id.localeCompare(b.id); });

    var link = g.selectAll(".link")
                .data(tree(root).links())
                .enter().append("path")
                .attr("class", "link")
                .attr("d", d3.linkHorizontal()
                .x(function(d) { return d.y; })
                .y(function(d) { return d.x; }));

    var node = g.selectAll(".node")
                .data(root.descendants())
                .enter().append("g")
                .attr("class", function(d) { return "node" + (d.children ? " node--internal" : " node--leaf"); })
                .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
                .on("click",function(d,i){
              for(var key in d3.select(this)){
                    if(key == "_groups"){
                    var text = d3.select(this)[key][0][0].getElementsByTagName('text')[0];
                    console.log(text);
                    document.getElementById("select").value = text.innerHTML;
                }
            }

             myarr = new Array();
                for(var x in data){

                    myarr.push(data[x]);
                }


             // draw(data);

             // console.log(data);

                })


    node.append("circle")
        .attr("r", 2.5);

    node.append("text")
        .attr("dy", 3)
        .attr("x", function(d) { return d.children ? -8 : 8; })
        .style("text-anchor", function(d) { return d.children ? "end" : "start"; })
        .text(function(d) { return d.id.substring(d.id.lastIndexOf(".") + 1); });
}


function deletedata(){

 if(document.getElementById("select").value != null){
                  for(var x in myarr){
                       var helloword = myarr[x]["id"];
                       if(typeof(helloword)!="undefined" && helloword.indexOf(document.getElementById("select").value)>-1){
                        for(var x in currentdate){
                        var word = currentdate[x]["id"];
                        if(typeof(word)!="undefined" && helloword == word){
                            currentdate.splice(x,1);
                            break;
                        }

                         }
                         }
                     }
                     draw(currentdate);
}
}

function adddata(){

if(document.getElementById("select").value != null && document.getElementById("addNum").value != null){

  for(var x in myarr){
     var helloword = myarr[x]["id"];
     if(typeof(helloword)!="undefined" && helloword.endWith(document.getElementById("select").value)){

          var newnode = helloword + "." + (document.getElementById("addNum").value);
          var dic = new Array();
          dic["id"] = newnode;
          currentdate.push(dic);
          console.log(newnode);

     }

     }

     draw(currentdate);
  }

}

function changename(){

if(document.getElementById("select").value != null && document.getElementById("changename1").value != null){


                        for(var x in currentdate){
                        var word = currentdate[x]["id"];

                        if(typeof(word)!="undefined" && word.indexOf(document.getElementById("select").value)>-1){


                        currentdate[x]["id"] = word.replace(document.getElementById("select").value,document.getElementById("changename1").value);
                        console.log(word.replace(document.getElementById("select").value,document.getElementById("changename1").value));
                        console.log(document.getElementById("changename1").value);

                         }

                     }

                     console.log(currentdate);
 draw(currentdate);
 }

}

String.prototype.endWith=function(endStr){
      var d=this.length-endStr.length;
      return (d>=0&&this.lastIndexOf(endStr)==d)
 }

</script>

</body>
</html>