d3-indented-tree API example #29

API examples for d3-indented-tree

myChart.nodeImageSelection()

This example shows how to set the the node image based on adding SVG elements. The expanded nodes are shown with a green circle. If the node is collapsed, it changes to a red circle.

for documentation, go to https://github.com/EE2dev/d3-indented-tree
for other examples, go to https://github.com/EE2dev/d3-indented-tree#examples

Acknowledgements:

<!DOCTYPE html>
  <meta charset="utf-8">
  <head>
    <script src="https://d3js.org/d3.v6.min.js"></script>
    <script src="https://cdn.jsdelivr.net/gh/ee2dev/d3-indented-tree/dist/latest/d3-indented-tree.min.js"></script>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/dist/latest/d3-indented-tree.css">
  </head>
  
  <body>
    
    <aside id="data">
key,parent,size,weight,color
Eve,,3.45,25,yellow
Cain,Eve,4.647,20.3,black
Seth,Eve,3,20.3,steelblue
Enos,Seth,4,3000,orange
Noam,Seth,50000,30,green
Abel,Eve,4,30,brown
Awan,Eve,3,30,deeppink
Enoch,Awan,7,30,blue
Azura,Eve,2,30,red
    </aside>
  
    <script>
    appendNodeSVG = function (selection) {
        selection.append("circle")
          .attr("r", 7.5) 
          .style("fill", function (d) {
            return d._children ? "red" : "green";
          });
      };

updateNodeSVG = function (selection) {
        selection.select("circle")
          .style("fill", function (d) {
            return d._children ? "red" : "green";
          });
      };

const dataSpec = {
        source: "aside#data",
      };
      const myChart = d3.indentedTree(dataSpec)
        .margin({top: 50, right: 10, bottom: 20, left: 50})
        .nodeImageSelection(appendNodeSVG, updateNodeSVG)
        .linkLabel("weight", {unit: " Euro", format: ",.2f", locale: "DE"})
        .linkWidth("weight",{range: [100, 300]})
        .linkHeight(40)
      ;

showChart(myChart);

window.setTimeout(function() {
          myChart.linkWidth("size").linkLabel("size");
      }, 2000);
      
      function showChart(_chart) {
        d3.select("body")
          .append("div")
          .attr("class", "chart")
          .call(_chart);
      }         
    </script>
  </body>
</html>

Updated missing url https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/dist/latest/d3-indented-tree.min.js to https://cdn.jsdelivr.net/gh/ee2dev/d3-indented-tree/dist/latest/d3-indented-tree.min.js

https://d3js.org/d3.v6.min.js

https://cdn.jsdelivr.net/gh/EE2dev/d3-indented-tree/dist/latest/d3-indented-tree.min.js