%PDF-
%PDF-
Mini Shell
Mini Shell
/*=========================================================================================
File Name: baracket.js
Description: D3 bracket tree chart with pan and zoom
----------------------------------------------------------------------------------------
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('#bracket-tree'),
margin = {top: 0, right: 0, bottom: 0, left: 0},
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
halfWidth = width / 2,
height = 600 - margin.top - margin.bottom - 5,
i = 0,
duration = 500,
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 getChildren = function(d) {
var a = [];
if(d.winners) for(var i = 0; i < d.winners.length; i++){
d.winners[i].isRight = false;
d.winners[i].parent = d;
a.push(d.winners[i]);
}
if(d.challengers) for(var i = 0; i < d.challengers.length; i++){
d.challengers[i].isRight = true;
d.challengers[i].parent = d;
a.push(d.challengers[i]);
}
return a.length?a:null;
};
// Zoom with scale
var zoom = d3.behavior.zoom()
.scaleExtent([1,2])
.on('zoom', function(){
svg.attr("transform", "translate(" + d3.event.translate + ") scale(" + d3.event.scale + ")");
});
// Initialize zoom
container.call(zoom);
var tree = d3.layout.tree()
.size([height, width]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
var elbow = function (d, i){
var source = calcLeft(d.source),
target = calcLeft(d.target),
hy = (target.y-source.y) / 2;
if(d.isRight) hy = -hy;
return "M" + source.y + "," + source.x + "H" + (source.y + hy) + "V" + target.x + "H" + target.y;
};
var connector = elbow;
var calcLeft = function(d) {
var l = d.y;
if(!d.isRight) {
l = d.y-halfWidth;
l = halfWidth - l;
}
return {x : d.x, y : l};
};
var toArray = function(item, arr){
arr = arr || [];
var i = 0,
l = item.children?item.children.length : 0;
arr.push(item);
for(; i < l; i++) {
toArray(item.children[i], arr);
}
return arr;
};
// Load data
// ------------------------------
d3.json("../../../app-assets/data/d3/tree/bracket-tree.json", function(json) {
root = json;
root.x0 = height / 2;
root.y0 = width / 2;
// Add tree layout
var t1 = d3.layout.tree().size([height, halfWidth]).children(function(d){return d.winners;}),
t2 = d3.layout.tree().size([height, halfWidth]).children(function(d){return d.challengers;});
t1.nodes(root);
t2.nodes(root);
// Rebuild children nodes
var rebuildChildren = function(node){
node.children = getChildren(node);
if(node.children) node.children.forEach(rebuildChildren);
}
rebuildChildren(root);
root.isRight = false;
update(root);
});
// Layout setup
// ------------------------------
function update(source) {
var nodes = toArray(source);
nodes.forEach(function(d) { d.y = d.depth * 180 + halfWidth; });
var node = svg.selectAll("g.node")
.data(nodes, function(d) { return d.id || (d.id = ++i); });
nodes.forEach(function(d) {
var p = calcLeft(d);
d.x0 = p.x;
d.y0 = p.y;
});
// Enter nodes
// ------------------------------
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", click);
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("stroke", "#F6BB42")
.style("stroke-width", 1.5)
.style("cursor", "pointer")
.style("fill", function(d) { return d._children ? "#F6BB42" : "#fff"; });
nodeEnter.append("text")
.attr("dy", function(d) { return d.isRight?18:-12;})
.attr("text-anchor", "middle")
.text(function(d) { return d.name; })
.style("font-size", 12)
.style("fill-opacity", 1e-6);
var nodeUpdate = node.transition()
.duration(duration)
.attr("transform", function(d) { p = calcLeft(d); return "translate(" + p.y + "," + p.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 4.5)
.style("fill", function(d) { return d._children ? "#F6BB42" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
var nodeExit = node.exit().transition()
.duration(duration)
.attr("transform", function(d) { p = calcLeft(d.parent||source); return "translate(" + p.y + "," + p.x + ")"; })
.remove();
nodeExit.select("circle")
.attr("r", 1e-6);
nodeExit.select("text")
.style("fill-opacity", 1e-6);
// Links
// ------------------------------
var link = svg.selectAll("path.link")
.data(tree.links(nodes), function(d) { return d.target.id; });
link.enter().insert("path", "g")
.attr("class", "link")
.style("stroke", "#F6BB42")
.style("fill", "none")
.style("stroke-width", 1.5)
.attr("d", function(d) {
var o = {x: source.x0, y: source.y0};
return connector({source: o, target: o});
});
link.transition()
.duration(duration)
.attr("d", connector);
link.exit().transition()
.duration(duration)
.attr("d", function(d) {
var o = calcLeft(d.source||source);
if(d.source.isRight) o.y -= halfWidth - (d.target.y - d.source.y);
else o.y += halfWidth - (d.target.y - d.source.y);
return connector({source: o, target: o});
})
.remove();
function click(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update(source);
}
// Resize chart
// ------------------------------
// Call function on window resize
$(window).on('resize', resize);
// Call function on sidebar width change
$('.menu-toggle').on('click', resize);
// Resize function
function resize() {
// Layout variables
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
// Main svg width
container.attr("width", width + margin.left + margin.right);
svg.attr("width", width + margin.left + margin.right);
}
}
});
Zerion Mini Shell 1.0