Ch. 6, Fig. 4 - D3.js in Action

This is the code for Chapter 6, Figure 4 from D3.js in Action showing how to create a simple adjacency matrix from node and edge list formatted data.

forked from emeeks's block: Ch. 6, Fig. 4 - D3.js in Action

<html>
<head>
  <title>D3 in Action Chapter 6 - Example 1</title>
  <meta charset="utf-8" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script src="https://d3js.org/queue.v1.min.js" type="text/JavaScript"></script>
</head>
<style>
  svg {
    height: 200px;
    width: 1000px;
    border: 1px solid gray;
  }

</style>
<body>

<div id="viz">
  <svg>
  </svg>
</div>
</body>
  <footer>
    
<script>   
     createAdjacencyMatrix();
    function createAdjacencyMatrix() {      
      var matrix = [];
      var data= [2,5,4,5,8,9,1,5,3,1,5,2,9,8,9,1,5,6,2,5,7,5,18,1];
      var name=["sam","roy", "pris", "tully", "kim","mo","pat","lee","ali",
                "sam2","roy2", "pris2", "tully2", "kim2","mo2","pat2","lee2","ali2",
                 "sam3","roy3", "pris3", "tully3", "kim3","mo3",];
      
      for(a in data){
        var grid = {id: name[0] + "-" + name[a], x: a, y: 1, weight: data[a]};
        matrix.push(grid);
      }
      
      d3.select("svg")
      .append("g")
      .attr("transform", "translate(50,50)")
      .attr("id", "adjacencyG")
      .selectAll("rect")
      .data(matrix)
      .enter()
      .append("rect")
      .attr("width", 35)
      .attr("height", 35)
      .attr("x", function (d) {return d.x * 35})
      .attr("y", function (d) {return d.y * 35})
      .style("stroke", "black")
      .style("stroke-width", "1px")
      .style("fill", "green")
      .style("fill-opacity", function (d) {return d.weight * .1})
      .on("mouseover", gridOver)
      .on("click", clicked);
      
      // add values
      //var inc =1;
      d3.selectAll("svg")
      .append("g")
      .attr("transform", "translate(50,50)")
      .attr("id", "adjacencyG")
      .selectAll("rect")
      .data(matrix)
      .enter()
      .append("text")
     .attr("x", function (d) {return (d.x * 35)+12.5})
     .attr("y", function (d) {return (d.y * 35)+12.5})
      .attr("id", function(d,i){ return "text"+ i})
       .attr("font-family", "sans-serif")
      .attr("font-size", "11px")
      .attr("fill", "black")
     .attr("text-anchor","middle")
     .attr("dy", ".35em")
     .text(function(d){ return d.weight;})
       ;
      
      var scaleSize = name.length * 35;
      var nameScale = d3.scale.ordinal().domain(name.map(function (el) {return el})).rangePoints([0,scaleSize],1);
      
      xAxis = d3.svg.axis().scale(nameScale).orient("top").tickSize(3); 
      d3.select("#adjacencyG").append("g").call(xAxis).attr("transform", "translate(0,35) rotate(0)").selectAll("text").style("text-anchor", "end").attr("transform", "translate(-10,-10) rotate(90)");
      
      function gridOver(d,i) {
//         d3.selectAll("rect").style("stroke-width", function (p) {return p.x == d.x || p.y == d.y ? "3px" : "1px"})
        //console.log("mouseover");
       // console.log(document.getElementById("text"+i));
      }
      function clicked(d,i){
        var textval;
        d3.selectAll("text").style("font-size", function (p) {
          if(p.id){ if (p==d) textval= p.weight;}
          if(p.id) return p==d ? "20px" : "11px"})
        d3.selectAll("rect").style("stroke-width", function (p) {return p == d ? "3px" : "1px"})
       
        
        if(document.getElementById("ss"))
        document.getElementById("ss").remove();
        var element = d3.select("body").append("div"). attr("id","ss");
        element.style("position", "absolute");
        element.style("top", "150px");
        var str = d3.select(this)["0"]["0"].x.baseVal.value +"px";
        element.style("left", str);
        //console.log(d3.select(this)["0"]["0"].x.baseVal.value);
        addCommentField(element,textval,d,i);
        d3.event.stopPropagation();
      }
       const IDSTRING = "idinputfield";
			 function addCommentField(parent, val,clickedrect,index) {
        parent.append("input")
          .attr("type", "number")
          .attr("placeholder", "Add a num ...")
          .attr("id", IDSTRING)
          .attr("value", val)
          .on("change", function(d, i) { 
            var currentval=document.getElementById(IDSTRING).value;
          d3.selectAll("text").text(function(d){ 
             if(d.id) {if(clickedrect==d) d.weight= currentval;
                       return clickedrect==d ? currentval : d.weight;
                      }
          else return d;});
           d3.selectAll("rect").style("fill-opacity", function (p) {return p.weight * .1})
          //console.log(clickedrect);
//           console.log(document.getElementById("text22"));
//           var ele= document.getElementById("text"+index);
//           ele.text("hhh");
          
          // change data array as well to keep updated data.
          });
       }  
      d3.select("svg").on("click", clickedsvg);     
			function clickedsvg(d,i){
        //console.log(d);
        //console.log(i);
        if(document.getElementById("ss"))document.getElementById("ss").remove();
         d3.selectAll("rect").style("stroke-width",  "1px");
         d3.selectAll("text").style("font-size", function(d){if(d.id) return "11px";});;
      }
    }
</script>
  </footer>

</html>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js

https://d3js.org/queue.v1.min.js