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chess.js
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var margin = {
top: 20,
right: 120,
bottom: 20,
left: 120
},
width = 960 - margin.right - margin.left,
height = 800 - margin.top - margin.bottom;
var root = {
name: "root",
parent: "null",
fen: "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
children: [
{
name: "f2f4",
parent: "root",
fen: "rnbqkbnr/pppppppp/8/8/5P2/8/PPPPP1PP/RNBQKBNR b KQkq - 0 1",
children: []
},
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parent: "root",
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children: [
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children: []
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children: []
}
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children: []
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fen:
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children: [
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parent: "c8a6",
fen:
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children: [
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parent: "d2d3",
fen:
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children: [
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fen:
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children: []
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children: [
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parent: "e7e5",
fen:
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children: []
}
]
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children: [
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name: "c2c4",
parent: "g7g6",
fen:
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children: []
},
{
name: "c2c3",
parent: "g7g6",
fen:
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children: []
},
{
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parent: "g7g6",
fen:
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parent: "g2g3",
fen:
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children: [
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parent: "a6b7",
fen:
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children: [
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parent: "c1f4",
fen:
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children: []
}
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parent: "a6b7",
fen:
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children: []
},
{
name: "f2f4",
parent: "a6b7",
fen:
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children: [
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parent: "f2f4",
fen:
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children: []
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fen:
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children: []
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fen:
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parent: "e2e4",
fen:
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children: []
},
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parent: "e2e4",
fen:
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children: []
}
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parent: "a6b7",
fen:
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parent: "d3d4",
fen:
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children: []
},
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parent: "d3d4",
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children: []
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fen:
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children: []
},
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name: "d7d5",
parent: "d3d4",
fen:
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children: []
},
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name: "h7h5",
parent: "d3d4",
fen:
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children: []
}
]
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]
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parent: "g2g3",
fen:
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children: []
},
{
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parent: "g2g3",
fen:
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fen:
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children: []
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fen:
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children: []
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parent: "g2g3",
fen:
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children: []
}
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{
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parent: "g7g6",
fen:
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children: [
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parent: "c1f4",
fen:
"rn1qkbnr/p2ppp1p/b5p1/1pp5/P4B2/3P4/1PP1PPPP/RN1QKBNR w KQkq - 0 5",
children: [
{
name: "f2f3",
parent: "c7c5",
fen:
"rn1qkbnr/p2ppp1p/b5p1/1pp5/P4B2/3P1P2/1PP1P1PP/RN1QKBNR b KQkq - 0 5",
children: []
}
]
},
{
name: "g8h6",
parent: "c1f4",
fen:
"rn1qkb1r/p1pppp1p/b5pn/1p6/P4B2/3P4/1PP1PPPP/RN1QKBNR w KQkq - 2 5",
children: []
}
]
},
{
name: "a4b5",
parent: "g7g6",
fen:
"rn1qkbnr/p1pppp1p/b5p1/1P6/8/3P4/1PP1PPPP/RNBQKBNR b KQkq - 0 4",
children: [
{
name: "a6c8",
parent: "a4b5",
fen:
"rnbqkbnr/p1pppp1p/6p1/1P6/8/3P4/1PP1PPPP/RNBQKBNR w KQkq - 1 5",
children: []
}
]
}
]
},
{
name: "f7f6",
parent: "d2d3",
fen:
"rn1qkbnr/p1ppp1pp/b4p2/1p6/P7/3P4/1PP1PPPP/RNBQKBNR w KQkq - 0 4",
children: [
{
name: "d1d2",
parent: "f7f6",
fen:
"rn1qkbnr/p1ppp1pp/b4p2/1p6/P7/3P4/1PPQPPPP/RNB1KBNR b KQkq - 1 4",
children: [
{
name: "g7g6",
parent: "d1d2",
fen:
"rn1qkbnr/p1ppp2p/b4pp1/1p6/P7/3P4/1PPQPPPP/RNB1KBNR w KQkq - 0 5",
children: []
}
]
},
{
name: "a1a3",
parent: "f7f6",
fen:
"rn1qkbnr/p1ppp1pp/b4p2/1p6/P7/R2P4/1PP1PPPP/1NBQKBNR b Kkq - 1 4",
children: [
{
name: "d8c8",
parent: "a1a3",
fen:
"rnq1kbnr/p1ppp1pp/b4p2/1p6/P7/R2P4/1PP1PPPP/1NBQKBNR w Kkq - 2 5",
children: []
}
]
}
]
},
{
name: "d7d5",
parent: "d2d3",
fen:
"rn1qkbnr/p1p1pppp/b7/1p1p4/P7/3P4/1PP1PPPP/RNBQKBNR w KQkq - 0 4",
children: [
{
name: "b2b3",
parent: "d7d5",
fen:
"rn1qkbnr/p1p1pppp/b7/1p1p4/P7/1P1P4/2P1PPPP/RNBQKBNR b KQkq - 0 4",
children: [
{
name: "e8d7",
parent: "b2b3",
fen:
"rn1q1bnr/p1pkpppp/b7/1p1p4/P7/1P1P4/2P1PPPP/RNBQKBNR w KQ - 1 5",
children: []
}
]
},
{
name: "g1f3",
parent: "d7d5",
fen:
"rn1qkbnr/p1p1pppp/b7/1p1p4/P7/3P1N2/1PP1PPPP/RNBQKB1R b KQkq - 1 4",
children: []
}
]
}
]
},
{
name: "a1a2",
parent: "c8a6",
fen:
"rn1qkbnr/p1pppppp/b7/1p6/P7/8/RPPPPPPP/1NBQKBNR b Kkq - 2 3",
children: [
{
name: "f7f6",
parent: "a1a2",
fen:
"rn1qkbnr/p1ppp1pp/b4p2/1p6/P7/8/RPPPPPPP/1NBQKBNR w Kkq - 0 4",
children: [
{
name: "d2d4",
parent: "f7f6",
fen:
"rn1qkbnr/p1ppp1pp/b4p2/1p6/P2P4/8/RPP1PPPP/1NBQKBNR b Kkq - 0 4",
children: []
}
]
},
{
name: "d7d5",
parent: "a1a2",
fen:
"rn1qkbnr/p1p1pppp/b7/1p1p4/P7/8/RPPPPPPP/1NBQKBNR w Kkq - 0 4",
children: [
{
name: "d2d4",
parent: "d7d5",
fen:
"rn1qkbnr/p1p1pppp/b7/1p1p4/P2P4/8/RPP1PPPP/1NBQKBNR b Kkq - 0 4",
children: []
}
]
}
]
},
{
name: "g2g3",
parent: "c8a6",
fen:
"rn1qkbnr/p1pppppp/b7/1p6/P7/6P1/1PPPPP1P/RNBQKBNR b KQkq - 0 3",
children: [
{
name: "b5b4",
parent: "g2g3",
fen:
"rn1qkbnr/p1pppppp/b7/8/Pp6/6P1/1PPPPP1P/RNBQKBNR w KQkq - 0 4",
children: []
},
{
name: "b5a4",
parent: "g2g3",
fen:
"rn1qkbnr/p1pppppp/b7/8/p7/6P1/1PPPPP1P/RNBQKBNR w KQkq - 0 4",
children: [
{
name: "b2b4",
parent: "b5a4",
fen:
"rn1qkbnr/p1pppppp/b7/8/pP6/6P1/2PPPP1P/RNBQKBNR b KQkq b3 0 4",
children: []
}
]
}
]
},
{
name: "h2h3",
parent: "c8a6",
fen:
"rn1qkbnr/p1pppppp/b7/1p6/P7/7P/1PPPPPP1/RNBQKBNR b KQkq - 0 3",
children: [
{
name: "h7h5",
parent: "h2h3",
fen:
"rn1qkbnr/p1ppppp1/b7/1p5p/P7/7P/1PPPPPP1/RNBQKBNR w KQkq - 0 4",
children: [
{
name: "a1a2",
parent: "h7h5",
fen:
"rn1qkbnr/p1ppppp1/b7/1p5p/P7/7P/RPPPPPP1/1NBQKBNR b Kkq - 1 4",
children: []
}
]
},
{
name: "g8f6",
parent: "h2h3",
fen:
"rn1qkb1r/p1pppppp/b4n2/1p6/P7/7P/1PPPPPP1/RNBQKBNR w KQkq - 1 4",
children: [
{
name: "b1a3",
parent: "g8f6",
fen:
"rn1qkb1r/p1pppppp/b4n2/1p6/P7/N6P/1PPPPPP1/R1BQKBNR b KQkq - 2 4",
children: []
}
]
}
]
},
{
name: "a4a5",
parent: "c8a6",
fen:
"rn1qkbnr/p1pppppp/b7/Pp6/8/8/1PPPPPPP/RNBQKBNR b KQkq - 0 3",
children: [
{
name: "c7c6",
parent: "a4a5",
fen:
"rn1qkbnr/p2ppppp/b1p5/Pp6/8/8/1PPPPPPP/RNBQKBNR w KQkq - 0 4",
children: []
}
]
}
]
},
{
name: "h7h5",
parent: "a3a4",
fen:
"rnbqkbnr/p1ppppp1/8/1p5p/P7/8/1PPPPPPP/RNBQKBNR w KQkq - 0 3",
children: [
{
name: "d2d3",
parent: "h7h5",
fen:
"rnbqkbnr/p1ppppp1/8/1p5p/P7/3P4/1PP1PPPP/RNBQKBNR b KQkq - 0 3",
children: [
{
name: "d7d6",
parent: "d2d3",
fen:
"rnbqkbnr/p1p1ppp1/3p4/1p5p/P7/3P4/1PP1PPPP/RNBQKBNR w KQkq - 0 4",
children: []
}
]
},
{
name: "b1a3",
parent: "h7h5",
fen:
"rnbqkbnr/p1ppppp1/8/1p5p/P7/N7/1PPPPPPP/R1BQKBNR b KQkq - 1 3",
children: [
{
name: "e7e5",
parent: "b1a3",
fen:
"rnbqkbnr/p1pp1pp1/8/1p2p2p/P7/N7/1PPPPPPP/R1BQKBNR w KQkq - 0 4",
children: []
}
]
}
]
},
{
name: "g8f6",
parent: "a3a4",
fen:
"rnbqkb1r/p1pppppp/5n2/1p6/P7/8/1PPPPPPP/RNBQKBNR w KQkq - 1 3",
children: [
{
name: "g1f3",
parent: "g8f6",
fen:
"rnbqkb1r/p1pppppp/5n2/1p6/P7/5N2/1PPPPPPP/RNBQKB1R b KQkq - 2 3",
children: []
}
]
}
]
},
{
name: "b2b4",
parent: "b7b5",
fen:
"rnbqkbnr/p1pppppp/8/1p6/1P6/P7/2PPPPPP/RNBQKBNR b KQkq - 0 2",
children: [
{
name: "e7e5",
parent: "b2b4",
fen:
"rnbqkbnr/p1pp1ppp/8/1p2p3/1P6/P7/2PPPPPP/RNBQKBNR w KQkq - 0 3",
children: [
{
name: "g1f3",
parent: "e7e5",
fen:
"rnbqkbnr/p1pp1ppp/8/1p2p3/1P6/P4N2/2PPPPPP/RNBQKB1R b KQkq - 1 3",
children: []
}
]
},
{
name: "a7a5",
parent: "b2b4",
fen:
"rnbqkbnr/2pppppp/8/pp6/1P6/P7/2PPPPPP/RNBQKBNR w KQkq - 0 3",
children: [
{
name: "c1b2",
parent: "a7a5",
fen:
"rnbqkbnr/2pppppp/8/pp6/1P6/P7/1BPPPPPP/RN1QKBNR b KQkq - 1 3",
children: []
}
]
}
]
},
{
name: "g2g4",
parent: "b7b5",
fen:
"rnbqkbnr/p1pppppp/8/1p6/6P1/P7/1PPPPP1P/RNBQKBNR b KQkq - 0 2",
children: []
}
]
}
]
},
{
name: "b2b3",
parent: "root",
fen: "rnbqkbnr/pppppppp/8/8/8/1P6/P1PPPPPP/RNBQKBNR b KQkq - 0 1",
children: []
},
{
name: "g2g3",
parent: "root",
fen: "rnbqkbnr/pppppppp/8/8/8/6P1/PPPPPP1P/RNBQKBNR b KQkq - 0 1",
children: [
{
name: "b8a6",
parent: "g2g3",
fen: "r1bqkbnr/pppppppp/n7/8/8/6P1/PPPPPP1P/RNBQKBNR w KQkq - 1 2",
children: [
{
name: "f1h3",
parent: "b8a6",
fen:
"r1bqkbnr/pppppppp/n7/8/8/6PB/PPPPPP1P/RNBQK1NR b KQkq - 2 2",
children: []
}
]
},
{
name: "g8h6",
parent: "g2g3",
fen: "rnbqkb1r/pppppppp/7n/8/8/6P1/PPPPPP1P/RNBQKBNR w KQkq - 1 2",
children: []
}
]
},
{
name: "b1a3",
parent: "root",
fen: "rnbqkbnr/pppppppp/8/8/8/N7/PPPPPPPP/R1BQKBNR b KQkq - 1 1",
children: [
{
name: "f7f5",
parent: "b1a3",
fen: "rnbqkbnr/ppppp1pp/8/5p2/8/N7/PPPPPPPP/R1BQKBNR w KQkq - 0 2",
children: []
}
]
}
]
};
var i = 0,
duration = 750,
rectW = 60,
rectH = 30;
var flag_mouse = false;
var tree = d3.layout.tree().nodeSize([70, 40]); // Creates a new tree layout with the default settings
//The next block of code declares the function that will be used to draw the links between the nodes.
//This isn’t the part of the code where the links are drawn, this is just declaring the variable/function
// that will be used when it does happen.
var diagonal = d3.svg.diagonal().projection(function(d) {
return [d.x + rectW / 2, d.y + rectH / 2];
});
//The next block of code appends our SVG working area to the body of our web page and creates
// a group elements (<g>) that will contain our svg objects (our nodes, text and links).
var svg = d3
.select("#tree_part")
.append("svg")
.attr("width", "100%")
.attr("height", "1000")
.style("background-color", "#E5E5E5")
.call(
(zm = d3.behavior
.zoom()
.scaleExtent([0.2, 8]) // amount of zoom
.on("zoom", redraw))
)
.append("g")
.attr("transform", "translate(" + 350 + "," + 20 + ")");
//necessary so that zoom knows where to zoom and unzoom from
zm.translate([350, 20]);
root.x0 = 0;
root.y0 = height / 2;
function collapse(d) {
if (d.children) {
d._children = d.children;
d._children.forEach(collapse);
d.children = null;
}
}
// create a tooltip
var tooltip = d3
.select("#info_part")
.append("div")
.style("position", "absolute")
.style("visibility", "hidden");
// .text("I'm a circle!");
root.children.forEach(collapse);
update(root);
d3.select(self.frameElement).style("height", "800px");
function update(source) {
// Compute the new tree layout.
var nodes = tree.nodes(root).reverse(), // Runs the tree layout, returning the array of nodes associated with the specified root node
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) {
d.y = d.depth * 100;
});
// Update the nodes…
var node = svg.selectAll("g.node").data(nodes, function(d) {
// We then declare the variable / function node so that when we call it
// later it will know to select the appropriate object (a node) with the appropriate .id
return d.id || (d.id = ++i);
});
// Enter any new nodes at the parent's previous position.
var nodeEnter = node
.enter()
.append("g")
.attr("class", "node")
.attr("transform", function(d) {
return "translate(" + source.x0 + "," + source.y0 + ")";
})
.on("click", click)
.on("mouseover", function(d) {
// Use D3 to select element, change color and size
if (!flag_mouse) {
d3.select(this).attr({
fill: "orange"
});
tooltip
.html(
"node ID: " +
d.id +
"<br>" +
"node name: " +
d.name +
"<br>" +
"..."
)
.style("visibility", "visible");
//reset all the data to have color undefined.
// flatten(root).forEach(function(d) {
// d.color = undefined;
// });
//iterate over the selected node and set color as red.
//till it reaches the root
while (d.parent) {
d.color = "red";
console.log(d.color);
d = d.parent;
}
d3.selectAll("path").style("stroke", function(d) {
if (d.target.color) {
return d.target.color; //if the value is set
} else {
return "gray";
}
});
update(d);
}
})
.on("mouseout", function(d) {
if (!flag_mouse) {
d3.select(this).attr({
fill: "black"
});
tooltip.style("visibility", "hidden");
svg.selectAll("path.link").style("stroke", function(d) {
d.target.color = "gray";
return "gray";
});
update(d);
}
});
nodeEnter
.append("rect")
.attr("width", rectW)
.attr("height", rectH)
.attr("stroke", "black")
.attr("stroke-width", 1)
.style("fill", function(d) {
return d._children ? "lightsteelblue" : "#fff";
});
nodeEnter
.append("text")
.attr("x", rectW / 2)
.attr("y", rectH / 2)
.attr("dy", ".35em")
.attr("text-anchor", "middle")
.text(function(d) {
return d.name;
});
// Transition nodes to their new position.
var nodeUpdate = node
.transition()
.each("end", transition_over)
.duration(duration)
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
nodeUpdate
.select("rect")
.attr("width", rectW)
.attr("height", rectH)
.attr("stroke", "black")
.attr("stroke-width", 1)
.style("fill", function(d) {
return d._children ? "lightsteelblue" : "#fff";
});
nodeUpdate.select("text").style("fill-opacity", 1);
// Transition exiting nodes to the parent's new position.
var nodeExit = node
.exit()
.transition()
.duration(duration)
.attr("transform", function(d) {
return "translate(" + source.x + "," + source.y + ")";
})
.remove();
nodeExit
.select("rect")
.attr("width", rectW)
.attr("height", rectH)
//.attr("width", bbox.getBBox().width)""
//.attr("height", bbox.getBBox().height)
.attr("stroke", "black")
.attr("stroke-width", 1);
nodeExit.select("text");
// Update the links…
var link = svg.selectAll("path.link").data(links, 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("x", rectW / 2)