D3 Examples - Demo of d3-boxes

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Dynamic Size Example</title>
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <script src="https://unpkg.com/d3-boxes@0.0.2/build/d3-boxes.js"></script>
    
    <script src="https://cdnjs.cloudflare.com/ajax/libs/vega/3.0.6/vega.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-lite/2.0.0-rc5/vega-lite.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-embed/3.0.0-rc6/vega-embed.js"></script>
    <style>
        body {
        font-family: sans-serif;
        }   
        .vega-actions a {
        padding: 0.2em;
        }
      /* Make the chart container fill the page using CSS. */
      #chart {
        position: fixed;
        left: 0px;
        right: 0px;
        top: 0px;
        bottom: 0px;
      }
    </style>
  </head>
  <body>
​
    <div id="chart"></div>
​
    <script>
​
      var BC = {
            "$schema": "https://vega.github.io/schema/vega-lite/2.0.0-rc5.json",
            "description": "A simple bar chart with embedded data.",
        "renderer" : "svg",
        "width": 400,
        "autosize": {
          "type": "fit",
          "contains": "content",
          "resize": true
            },
            "data": {
                "values": [
                {"a": "A","b": 28}, {"a": "B","b": 55}
                    ]
                },
            "mark": "bar",
            "encoding": {
            "x": {"field": "a", "type": "ordinal"},
            "y": {"field": "b", "type": "quantitative"}
            }
            };
      
      var chartDiv = document.getElementById("chart");
      var svg = d3.select(chartDiv).append("svg");
      var color = d3.scaleOrdinal().range(d3.schemeCategory10);
      
      function drawBox(name, box){
        const x = box.x;
        const y = box.y;
        const width = box.width;
        const height = box.height;
        
        // Setup a group for this box.
        var g = svg.selectAll('.' + name).data([null]);
        var gEnter = g.enter().append('g').attr('class', name);
        gEnter.merge(g)
            .attr('transform', 'translate(' + x + ',' + y + ')');
        
        // Draw a box.
        gEnter
          .append('rect')
            .attr('fill', color(name))
            .attr('stroke', 'white')
          .merge(g.select('rect'))
            .attr('width', width)
            .attr('height', height);
        
        // Draw an X to show the size of the box.
        var lines = gEnter.merge(g).selectAll("line").data([
          {x1: 0, y1: 0, x2: width, y2: height},
          {x1: 0, y1: height, x2: width, y2: 0}
        ]);
        lines
          .enter().append("line")
            .style("stroke-width", 5)
            .style("stroke-opacity", 0.4)
            .style("stroke", "black")
          .merge(lines)
            .attr("x1", function (d) { return d.x1; })
            .attr("y1", function (d) { return d.y1; })
            .attr("x2", function (d) { return d.x2; })
            .attr("y2", function (d) { return d.y2; })
        ;
        
        // Add a text label.
        var text = gEnter
          .append('text')
            .style('font-size', '5em')
            .style('font-family', 'sans-serif')
            .style('text-anchor', 'middle')
            .style('alignment-baseline', 'middle')
            .attr('fill', 'white')
          .merge(g.select('text'))
            .attr('x', width / 2)
            .attr('y', height / 2)
            .text(name);
      }
​
      function redraw(){
​
        // Extract the width and height that was computed by CSS.
        var width = chartDiv.clientWidth;
        var height = chartDiv.clientHeight;
​
        // Use the extracted size to set the size of an SVG element.
        svg
          .attr("width", width)
          .attr("height", height);
        
        var layout = {
          orientation: "vertical",
          children: [
            "En-tête",
            {
              orientation: "horizontal",
              children: [
                "BA",
                {orientation: "vertical",
                    children: ["BB1", "BB2", "BB3"]}, 
                "BC"
              ],
              size: 3 // Make this layer have a size weight of 2 (default is 1)
            }
          ]
        };
        
        var sizes = {
          "En-tête": {
            size: 0.5 // Make the "A" box have a size weight of 2 (default is 1)
          },
          "BA": {size: 0.5},
          "BC": {size: 2},
        };
        
        var box = {
          width: width,
          height: height
        };
        
        var boxes = d3.boxes(layout, sizes, box);
        
        // Have a look in the console!
        console.log(boxes);
        
        Object.keys(boxes).forEach(function (name) {
          drawBox(name, boxes[name]);
        });
        const opt = {renderer: "svg"};
        vegaEmbed(".BC", BC, opt);
      }
​
      // Draw for the first time to initialize.
      redraw();
​
      // Redraw based on the new size whenever the browser window is resized.
      window.addEventListener("resize", redraw);
​
    </script>
  </body>
</html>
​
    