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Collapsible Indented Tree

forked from bjtucker's block: Collapsible Indented Tree

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.node rect {
  cursor: pointer;
  fill: #fff;
  fill-opacity: 0;
//  stroke: #3182bd;
  stroke-width: 1.5px;
  stroke-opacity: 1;
}

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

path.link {
  fill: none;
  stroke: #9ecae1;
  stroke-width: 1.5px;
}

</style>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script>

var margin = {top: 30, right: 20, bottom: 30, left: 20},
    width = 960 - margin.left - margin.right,
    barHeight = 20,
    barWidth = 20;

var i = 0,
    duration = 400,
    root;

var tree = d3.layout.tree()
    .nodeSize([0, 20]);

var diagonal = d3.svg.diagonal()
    .projection(function(d) { return [d.y, d.x]; });

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

d3.json("flare.json", function(error, flare) {
  if (error) throw error;

flare.x0 = 0;
  flare.y0 = 0;
  update(root = flare);
});

function update(source) {

// Compute the flattened node list. TODO use d3.layout.hierarchy.
  var nodes = tree.nodes(root);

var height = Math.max(500, nodes.length * barHeight + margin.top + margin.bottom);

d3.select("svg").transition()
      .duration(duration)
      .attr("height", height);

d3.select(self.frameElement).transition()
      .duration(duration)
      .style("height", height + "px");

// Compute the "layout".
  nodes.forEach(function(n, i) {
    n.x = i * barHeight;
  });

var myNext=d3.nest()
      .key(function(d) { return d.id || (d.id = ++i); });

// Update the nodes…
  var node = svg.selectAll("g.node")
      .data(nodes, function(d) { return d.id || (d.id = ++i); });

var nodeEnter = node.enter()
      .append("g")
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
      .style("opacity", 1e-6);

// Enter any new nodes at the parent's previous position.

//  nodeEnter.append("circle")
//      .attr("cx", 10)
//      .attr("cy", 0)
//      .attr("r", 2);

nodeEnter.append("image")
  //      .attr("xlink:href", function(d) { var icon = d.icon; if (icon==null) {icon = ""} return icon; })
      .attr("xlink:href", iconF)
      .attr("x", 2)
      .attr("y", -8)
      .attr("width", "16px")
      .attr("height", "16px");

nodeEnter.append("rect")
          .attr("y", -barHeight / 2)
          .attr("height", barHeight)
          .attr("width", barWidth)
          .on("click", click);

// text rectangle. gives somewhere to click if text is empty.
      nodeEnter.append("rect")
          .attr("y", -barHeight / 2)
          .attr("x",  barWidth)
          .attr("height", barHeight)
          .attr("width", barWidth)
          .on("click", clickText);

nodeEnter.append("text");

var myText = d3.selectAll("text")
      .attr("dy", 3.5)
      .attr("dx", 25.5)
      .text(function(d) { return d.name; })
//      .on("click", clickText);
       .call(make_editable, "name");

// Transition nodes to their new position.
  node.transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
      .style("opacity", 1)

// Transition exiting nodes to the parent's new position.
  node.exit().transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
      .style("opacity", 1e-6)
      .remove();

// Update the links…
  var link = svg.selectAll("path.link")
      .data(tree.links(nodes), function(d) { return d.target.id; });

// Enter any new links at the parent's previous position.
  link.enter().insert("path", "g")
      .attr("class", "link")
      .attr("d", function(d) {
        var o = {x: source.x0, y: source.y0};
        return diagonal({source: o, target: o});
      })
    .transition()
      .duration(duration)
      .attr("d", diagonal);

// Transition links to their new position.
  link.transition()
      .duration(duration)
      .attr("d", diagonal);

// Transition exiting nodes to the parent's new position.
  link.exit().transition()
      .duration(duration)
      .attr("d", function(d) {
        var o = {x: source.x, y: source.y};
        return diagonal({source: o, target: o});
      })
      .remove();

// Stash the old positions for transition.
  nodes.forEach(function(d) {
    d.x0 = d.x;
    d.y0 = d.y;
  });
}

// Toggle children on click.
function click(d) {
  if (d.children) {
    d._children = d.children;
    d.children = null;
  } else {
    d.children = d._children;
    d._children = null;
  }
  update(d);
}
function clickText(d) {
  d.name = 'xxxxx'
  update(d.name);
}

function iconF(d) {
  var icon
  if (d.icon) {
    icon = d.icon
  } else if (d.children){
    icon="default-folder.svg"
  } else {
    icon="default-document.svg"
  }
//  return d.children ? "default-folder.svg" : "";
  return icon
return

}

function make_editable(d, field)
{
    console.log("make_editable", arguments);

this
      .on("mouseover", function() {
        d3.select(this).style("fill", "red");
      })
      .on("mouseout", function() {
        d3.select(this).style("fill", null);
      })
      .on("click", function(d) {
        var p = this.parentNode;
        console.log(this, arguments);

// inject a HTML form to edit the content here...

// bug in the getBBox logic here, but don't know what I've done wrong here;
        // anyhow, the coordinates are completely off & wrong. :-((
        var xy = this.getBBox();
        var p_xy = p.getBBox();

//xy.x -= p_xy.x;
        //xy.y -= p_xy.y;

var el = d3.select(this);
        var p_el = d3.select(p);

var frm = p_el.append("foreignObject");

var inp = frm
            .attr("x", xy.x)
            .attr("y", xy.y)
            .attr("width", 300)
            .attr("height", 25)
            .append("xhtml:form")
                    .append("input")
                        .attr("value", function() {
                            // nasty spot to place this call, but here we are sure that the <input> tag is available
                            // and is handily pointed at by 'this':
                            this.focus();

return d[field];
                        })
                        .attr("style", "width: 294px;")
                        // make the form go away when you jump out (form looses focus) or hit ENTER:
                        .on("blur", function() {
                            console.log("blur", this, arguments);

var txt = inp.node().value;

d[field] = txt;
                            el
                                .text(function(d) { return d[field]; });

// Note to self: frm.remove() will remove the entire <g> group! Remember the D3 selection logic!
                            p_el.select("foreignObject").remove();
                        })
                        .on("keypress", function() {
                            console.log("keypress", this, arguments);

// IE fix
                            if (!d3.event)
                                d3.event = window.event;

var e = d3.event;
                            if (e.keyCode == 13)
                            {
                                if (typeof(e.cancelBubble) !== 'undefined') // IE
                                  e.cancelBubble = true;
                                if (e.stopPropagation)
                                  e.stopPropagation();
                                e.preventDefault();

var txt = inp.node().value;

d[field] = txt;
                                el
                                    .text(function(d) { return d[field]; });

// odd. Should work in Safari, but the debugger crashes on this instead.
                                // Anyway, it SHOULD be here and it doesn't hurt otherwise.
                                p_el.select("foreignObject").remove();
                            }
                        });
      });
}

</script>

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