{% extends "base.html" %}

{% block content %}

<div id=p4treemap class=draw>

 <h1>Perforce Server Tree Map</h1>
     {% from "_formhelpers.html" import render_field %}
     <form class="form form-horizontal" action="{{ url_for('treeMap') }}" method="post" role="form">
        {{ form.csrf_token }}
        {{ render_field(form.p4port, size=60) }}
        {{ render_field(form.p4user) }}
        {{ render_field(form.root, size=60) }}
        {{ render_field(form.path, size=60) }}
        <p>{{ form.submit() }}</p>
    </form>

    {% if treedata %}
    <h2>Tree Map: '{{ something }}'</h2>

    <svg width="960" height="570"></svg>

    {% endif %}

</div>

<footer>

    {% if treedata %}

    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.11.0/d3.min.js"></script>

    <script>
var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height");

var sep = "/";

var format = d3.format(",d");

var color = d3.scaleSequential(d3.interpolatePlasma)
    .domain([-8, 8]);

var stratify = d3.stratify()
    .parentId(function(d) { return d.id.substring(0, d.id.lastIndexOf(sep)); });

var treemap = d3.treemap()
    .size([width, height])
    .paddingOuter(3)
    .paddingTop(19)
    .paddingInner(1)
    .round(true);

d3.tsv("{{ treedata|safe }}", function(error, data) {
  if (error) throw error;

  var root = stratify(data)
      .sum(function(d) { return d.value; })
      .sort(function(a, b) { return b.height - a.height || b.value - a.value; });

  treemap(root);

  var cell = svg
    .selectAll(".node")
    .data(root.descendants())
    .enter().append("g")
      .attr("transform", function(d) { return "translate(" + d.x0 + "," + d.y0 + ")"; })
      .attr("class", "node")
      .each(function(d) { d.node = this; })
      .on("mouseover", hovered(true))
      .on("mouseout", hovered(false));

  cell.append("rect")
      .attr("id", function(d) { return "rect-" + d.id; })
      .attr("width", function(d) { return d.x1 - d.x0; })
      .attr("height", function(d) { return d.y1 - d.y0; })
      .style("fill", function(d) { return color(d.depth); });

  cell.append("clipPath")
      .attr("id", function(d) { return "clip-" + d.id; })
      .append("use")
      .attr("xlink:href", function(d) { return "#rect-" + d.id + ""; });

  var label = cell.append("text")
      .attr("clip-path", function(d) { return "url(#clip-" + d.id + ")"; });

  label
    .filter(function(d) { return d.children; })
    .selectAll("tspan")
      .data(function(d) { return d.id.substring(d.id.lastIndexOf(sep) + 1).split(/(?=[A-Z][^A-Z])/g).concat("\xa0" + format(d.value)); })
    .enter().append("tspan")
      .attr("x", function(d, i) { return i ? null : 4; })
      .attr("y", 13)
      .text(function(d) { return d; });

  label
    .filter(function(d) { return !d.children; })
    .selectAll("tspan")
      .data(function(d) { return d.id.substring(d.id.lastIndexOf(sep) + 1).split(/(?=[A-Z][^A-Z])/g).concat(format(d.value)); })
    .enter().append("tspan")
      .attr("x", 4)
      .attr("y", function(d, i) { return 13 + i * 10; })
      .text(function(d) { return d; });

  cell.append("title")
      .text(function(d) { return d.id + "\n" + format(d.value); });
});

function hovered(hover) {
  return function(d) {
    d3.selectAll(d.ancestors().map(function(d) { return d.node; }))
        .classed("node--hover", hover)
      .select("rect")
        .attr("width", function(d) { return d.x1 - d.x0 - hover; })
        .attr("height", function(d) { return d.y1 - d.y0 - hover; });
  };
}

</script>

{% endif %}

</footer>

{% endblock %}