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Mini Shell
Mini Shell
/*=========================================================================================
File Name: collapsible.js
Description: D3 collapsible tree chart
----------------------------------------------------------------------------------------
Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template
Version: 1.0
Author: PIXINVENT
Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/
// Basic Tree chart
// ------------------------------
$(window).on("load", function(){
var ele = d3.select("#collapsible-tree"),
margin = {top: 20, right: 20, bottom: 30, left: 50},
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
height = 600 - margin.top - margin.bottom,
i = 0,
root;
// Chart
// ------------------------------
var container = ele.append("svg");
var svg = container
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var tree = d3.layout.tree()
.size([height, width - 180]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
// Load data
// ------------------------------
d3.json("../../../app-assets/data/d3/tree/collapsible-tree.json", function(error, json) {
root = json;
root.x0 = height/2;
root.y0 = 0;
// Toggle nodes function
function toggleAll(d) {
if (d.children) {
d.children.forEach(toggleAll);
toggle(d);
}
}
// Initialize the display to show a few nodes
root.children.forEach(toggleAll);
toggle(root.children[1]);
toggle(root.children[1].children[2]);
toggle(root.children[9]);
toggle(root.children[9].children[0]);
update(root);
});
// Update nodes
function update(source) {
var duration = d3.event && d3.event.altKey ? 5000 : 500;
var nodes = tree.nodes(root).reverse();
var node = svg.selectAll(".d3-tree-node")
.data(nodes, function(d) { return d.id || (d.id = ++i); });
var nodeEnter = node.enter().append("g")
.attr("class", "d3-tree-node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", function(d) { toggle(d); update(d); });
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("fill", "#fff")
.style("stroke", "#E84A5F")
.style("stroke-width", 1.5)
.style("cursor", "pointer")
.style("fill", function(d) { return d._children ? "#E84A5F" : "#fff"; });
nodeEnter.append("text")
.attr("x", function(d) { return d.children || d._children ? -10 : 10; })
.attr("dy", ".35em")
.style("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
.style("font-size", 12)
.style("fill-opacity", 1e-6)
.text(function(d) { return d.name; });
var nodeUpdate = node.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 4.5)
.style("fill", function(d) { return d._children ? "#E84A5F" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
var nodeExit = node.exit()
.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
.remove();
nodeExit.select("circle")
.attr("r", 1e-6);
nodeExit.select("text")
.style("fill-opacity", 1e-6);
// Links
// ------------------------------
// Update the links…
var link = svg.selectAll(".d3-tree-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", "d3-tree-link")
.style("fill", "none")
.style("stroke", "#e3e3e3")
.style("stroke-width", 1.5)
.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;
});
// Resize chart
// ------------------------------
// Call function on window resize
$(window).on('resize', resize);
// Call function on sidebar width change
$('.menu-toggle, .d3-tree-node circle').on('click', resize);
// Resize function
//
// Since D3 doesn't support SVG resize by default,
// we need to manually specify parts of the graph that need to
// be updated on window resize
function resize() {
// Layout variables
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
nodes = tree.nodes(root),
links = tree.links(nodes);
// Layout
// -------------------------
// Main svg width
container.attr("width", width + margin.left + margin.right);
// Width of appended group
svg.attr("width", width + margin.left + margin.right);
// Tree size
tree.size([height, width - 180]);
diagonal.projection(function(d) { return [d.y, d.x]; });
svg.selectAll(".d3-tree-link").attr("d", diagonal);
svg.selectAll(".d3-tree-node").attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
}
}
// Toggle childrens
function toggle(d) {
if (d.children) {
d._children = d.children;
d.children = null;
}
else {
d.children = d._children;
d._children = null;
}
}
});
Zerion Mini Shell 1.0