first commit
This commit is contained in:
dev-chiefworks
+282
@@ -0,0 +1,282 @@
|
||||
/* ------------------------------------------------------------------------------
|
||||
*
|
||||
* # D3.js - collapsible tree layout
|
||||
*
|
||||
* Demo of tree layout setup with collapsible nodes
|
||||
*
|
||||
* Version: 1.0
|
||||
* Latest update: August 1, 2015
|
||||
*
|
||||
* ---------------------------------------------------------------------------- */
|
||||
|
||||
$(function () {
|
||||
|
||||
// Initialize chart
|
||||
treeCollapsible('#d3-tree-collapsible', 800);
|
||||
|
||||
// Chart setup
|
||||
function treeCollapsible(element, height) {
|
||||
|
||||
|
||||
// Basic setup
|
||||
// ------------------------------
|
||||
|
||||
// Define main variables
|
||||
var d3Container = d3.select(element),
|
||||
margin = {top: 0, right: 0, bottom: 0, left: 40},
|
||||
width = d3Container.node().getBoundingClientRect().width - margin.left - margin.right,
|
||||
height = height - margin.top - margin.bottom - 5,
|
||||
i = 0,
|
||||
root;
|
||||
|
||||
|
||||
|
||||
// Create chart
|
||||
// ------------------------------
|
||||
|
||||
// Add SVG element
|
||||
var container = d3Container.append("svg");
|
||||
|
||||
// Add SVG group
|
||||
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 + ")");
|
||||
|
||||
|
||||
|
||||
// Construct chart layout
|
||||
// ------------------------------
|
||||
|
||||
// Tree
|
||||
var tree = d3.layout.tree()
|
||||
.size([height, width - 180]);
|
||||
|
||||
// Diagonal projection
|
||||
var diagonal = d3.svg.diagonal()
|
||||
.projection(function(d) { return [d.y, d.x]; });
|
||||
|
||||
|
||||
|
||||
// Load data
|
||||
// ------------------------------
|
||||
|
||||
d3.json("assets/demo_data/d3/tree/tree_data_collapsible.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);
|
||||
});
|
||||
|
||||
|
||||
|
||||
// Layout setup
|
||||
// ------------------------------
|
||||
|
||||
// Update nodes
|
||||
function update(source) {
|
||||
|
||||
// Set duration
|
||||
var duration = d3.event && d3.event.altKey ? 5000 : 500;
|
||||
|
||||
// Compute the new tree layout.
|
||||
var nodes = tree.nodes(root).reverse();
|
||||
|
||||
// Normalize for fixed-depth.
|
||||
//nodes.forEach(function(d) { d.y = d.depth * 250; });
|
||||
|
||||
// Update the nodes…
|
||||
var node = svg.selectAll(".d3-tree-node")
|
||||
.data(nodes, function(d) { return d.id || (d.id = ++i); });
|
||||
|
||||
|
||||
// Enter nodes
|
||||
// ------------------------------
|
||||
|
||||
// Enter any new nodes at the parent's previous position.
|
||||
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); });
|
||||
|
||||
// Add node circles
|
||||
nodeEnter.append("circle")
|
||||
.attr("r", 1e-6)
|
||||
.style("fill", "#fff")
|
||||
.style("stroke", "#2196F3")
|
||||
.style("stroke-width", 1.5)
|
||||
.style("cursor", "pointer")
|
||||
.style("fill", function(d) { return d._children ? "#2196F3" : "#fff"; });
|
||||
|
||||
// Add nodes text
|
||||
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; });
|
||||
|
||||
|
||||
// Update nodes
|
||||
// ------------------------------
|
||||
|
||||
// Transition nodes to their new position.
|
||||
var nodeUpdate = node.transition()
|
||||
.duration(duration)
|
||||
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
|
||||
|
||||
// Update circle
|
||||
nodeUpdate.select("circle")
|
||||
.attr("r", 4.5)
|
||||
.style("fill", function(d) { return d._children ? "#2196F3" : "#fff"; });
|
||||
|
||||
// Update text
|
||||
nodeUpdate.select("text")
|
||||
.style("fill-opacity", 1);
|
||||
|
||||
|
||||
// Exit nodes
|
||||
// ------------------------------
|
||||
|
||||
// Transition exiting nodes to the parent's new position.
|
||||
var nodeExit = node.exit()
|
||||
.transition()
|
||||
.duration(duration)
|
||||
.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
|
||||
.remove();
|
||||
|
||||
// Update circles
|
||||
nodeExit.select("circle")
|
||||
.attr("r", 1e-6);
|
||||
|
||||
// Update text
|
||||
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", "#ddd")
|
||||
.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
|
||||
$('.sidebar-control, .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 = d3Container.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]; });
|
||||
|
||||
|
||||
// Chart elements
|
||||
// -------------------------
|
||||
|
||||
// Link paths
|
||||
svg.selectAll(".d3-tree-link").attr("d", diagonal)
|
||||
|
||||
// Node paths
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
});
|
||||
Reference in New Issue
Block a user