portfolio/test3.html
Ruben van de Ven fd7d6e49cb Add controls
2018-08-13 17:39:49 +02:00

950 lines
29 KiB
HTML

<!DOCTYPE html>
<html xmlns:xlink="http://www.w3.org/1999/xlink">
<head>
<title></title>
<link href="rubenvandeven.jsonld" rel="alternate" type="application/ld+json" />
<style type="text/css">
body{
margin:0;overflow: hidden;
font-family: sans-serif;
/* background: #fceabb;
background: -moz-linear-gradient(-45deg, #fceabb 0%, #fccd4d 50%, #f8b500 51%, #fbdf93 100%);
background: -webkit-linear-gradient(-45deg, #fceabb 0%,#fccd4d 50%,#f8b500 51%,#fbdf93 100%);
background: linear-gradient(135deg, #fceabb 0%,#fccd4d 50%,#f8b500 51%,#fbdf93 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#fceabb', endColorstr='#fbdf93',GradientType=1 ); */
/*background: #f7fbfc;
background: -moz-linear-gradient(45deg, #f7fbfc 0%, #d9edf2 40%, #add9e4 100%);
background: -webkit-linear-gradient(45deg, #f7fbfc 0%,#d9edf2 40%,#add9e4 100%);
background: linear-gradient(45deg, #f7fbfc 0%,#d9edf2 40%,#add9e4 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f7fbfc', endColorstr='#add9e4',GradientType=1 );*/
/*background: #e2e2e2;
background: -moz-linear-gradient(45deg, #e2e2e2 0%, #dbdbdb 50%, #d1d1d1 51%, #fefefe 100%);
background: -webkit-linear-gradient(45deg, #e2e2e2 0%,#dbdbdb 50%,#d1d1d1 51%,#fefefe 100%);
background: linear-gradient(45deg, #e2e2e2 0%,#dbdbdb 50%,#d1d1d1 51%,#fefefe 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e2e2e2', endColorstr='#fefefe',GradientType=1 );*/
/*background: #d2dfed;
background: -moz-linear-gradient(45deg, #d2dfed 0%, #c8d7eb 26%, #bed0ea 51%, #a6c0e3 51%, #afc7e8 62%, #bad0ef 75%, #99b5db 88%, #799bc8 100%);
background: -webkit-linear-gradient(45deg, #d2dfed 0%,#c8d7eb 26%,#bed0ea 51%,#a6c0e3 51%,#afc7e8 62%,#bad0ef 75%,#99b5db 88%,#799bc8 100%);
background: linear-gradient(45deg, #d2dfed 0%,#c8d7eb 26%,#bed0ea 51%,#a6c0e3 51%,#afc7e8 62%,#bad0ef 75%,#99b5db 88%,#799bc8 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#d2dfed', endColorstr='#799bc8',GradientType=1 );*/
background: #d2dfed;
background: -moz-linear-gradient(45deg, #d2dfed 0%, #afc1d8 13%, #d5e0ef 28%, #bed0ea 51%, #a8c0dd 51%, #c0d0e5 63%, #bad0ef 75%, #a2bad8 88%, #799bc8 100%);
background: -webkit-linear-gradient(45deg, #d2dfed 0%,#afc1d8 13%,#d5e0ef 28%,#bed0ea 51%,#a8c0dd 51%,#c0d0e5 63%,#bad0ef 75%,#a2bad8 88%,#799bc8 100%);
background: linear-gradient(45deg, #d2dfed 0%,#afc1d8 13%,#d5e0ef 28%,#bed0ea 51%,#a8c0dd 51%,#c0d0e5 63%,#bad0ef 75%,#a2bad8 88%,#799bc8 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#d2dfed', endColorstr='#799bc8',GradientType=1 );
/*-moz-animation: bgShift 5s infinite;
background-size: 400% 400%;*/
}
/*@-moz-keyframes bgShift{
0%{background-position:0% 50%}
50%{background-position:100% 50%}
100%{background-position:0% 50%}
}*/
svg{
width:100vw;
height: 100vh;
cursor: dragging;
}
svg.dragging{
cursor: grabbing;
}
g.node{
cursor: pointer;
stroke: blue;
stroke-width: 0;
transition: stroke-width .5s;
opacity: 0;
pointer-events: none;
transition: opacity 1s;
}
g.node.visibleNode/* , g.node.ImageObject */
{
opacity: 1;
pointer-events: auto;
}
g.node circle.highlightCircle{
fill: none;
}
g.node:hover circle.highlightCircle{
stroke-width: 2px;
}
g.node.centeredNode circle.highlightCircle{
stroke-width:1px;
stroke: green;
stroke-dasharray: 3 2;
}
g.node.selectedNode circle.highlightCircle{
color: red;
}
g.node.drag{
cursor:grabbing;
}
.node text{
text-anchor: start;
}
.relationship{
display:none;
}
.relationship.visibleLink{
display:block;
}
.relationship line{
fill:none;
stroke: #000;
stroke-width: 2px;\;
}
.relationship text{
fill:black;
/* text-transform: lowercase; */
font-size: 75%;
}
.relationship:hover line{
/*TODO: fancy color animation*/
stroke:red;
}
.relationship:hover text{
fill:red;
}
.relationship.activeLink text{
color:red;
}
.relationship.activeLink line{
stroke: red;
}
circle.nodeBg{
fill: white;
/*stroke-width:.2em;*/
fill:url(#blueGrad);
}
text{
text-anchor: middle;
}
.drag{
fill:#00f;
}
.MediaObject circle.nodeBg{
fill:url(#orangeGrad);
}
/* .ImageObject circle.nodeBg{
stroke:lightgreen;
}*/
.Person circle.nodeBg{
fill:url(#redGrad);
}
.PublicationEvent circle.nodeBg{
fill:url(#limeGrad);
}
/*.Place circle{
stroke:darkgreen;
}
.Country circle{
stroke:yellow;
}*/
.relationship.address line{
/* stroke:#90F7FE; */
}
.relationship.location line{
/* stroke:darkgreen; */
}
.relationship.contributor line{
/* stroke:orange; */
/* stroke-width:.4em; */
}
#nodeDetails{
position: absolute;
top: 10px;
right: 10px;
/* bottom: 10px; */
width: 450px;
background: white;
padding: 10px;
opacity:0;
transition:opacity 1s;
max-height: calc(100% - 20px);
overflow-y: auto;
}
#nodeDetails.open{
opacity:1;
}
#nodeDetails .nodeTitle{
}
#nodeDetails .nodeType{
font-size:80%;
text-transform: uppercase;
color: #999;
margin-left:10px;
}
#nodeDetails .nodeType:hover{
cursor:pointer;
color:blue;
}
/* #nodeDetails .nodeType::before{
content:"(";
}
#nodeDetails .nodeType::after{
content:")";
} */
#nodeDetails dt{
float:left;
width: 120px;
font-weight:bold;
}
#graphControls{
position:fixed;
left:0;
top:0;
right:0;
height:50px;
background:white;
}
#graphControls ul{
margin:0;
padding: 0;
}
#graphControls li{
list-style:none;
display: inline-block;
margin: 0 5px;
cursor: pointer;
}
</style>
</head>
<body>
<svg width="800" height="600" reserveAspectRatio="xMidYMid" viewBox="-400 -300 800 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink= "http://www.w3.org/1999/xlink">
<defs>
<linearGradient id="orangeGrad" gradientTransform="rotate(66 .5 .5)" objectBoundingBox="gradientUnits">
<stop offset=".05" stop-color="#fceabb" />
<stop offset=".5" stop-color="#fccd4d" />
<stop offset=".51" stop-color="#f8b500" />
<stop offset=".99" stop-color="#fbdf93" />
</linearGradient>
<linearGradient id="redGrad" gradientTransform="rotate(66 .5 .5)" objectBoundingBox="gradientUnits">
<stop offset=".05" stop-color="#FCBFBB" />
<stop offset=".5" stop-color="#FC4D51" />
<stop offset=".51" stop-color="#F8001F" />
<stop offset=".99" stop-color="#FB93A0" />
</linearGradient>
<linearGradient id="limeGrad" gradientTransform="rotate(66 .5 .5)" objectBoundingBox="gradientUnits">
<stop offset=".05" stop-color="#FAFCBB" />
<stop offset=".5" stop-color="#E4FC4D" />
<stop offset=".51" stop-color="#D3F800" />
<stop offset=".99" stop-color="#E8FB93" />
</linearGradient>
<linearGradient id="blueGrad" gradientTransform="rotate(66 .5 .5)" objectBoundingBox="gradientUnits">
<stop offset=".05" stop-color="#BBDDFC" />
<stop offset=".5" stop-color="#4DA9FC" />
<stop offset=".51" stop-color="#008AF8" />
<stop offset=".99" stop-color="#93C2FB" />
</linearGradient>
</linearGradient>
<linearGradient id="grayGrad" gradientTransform="rotate(66 .5 .5)" objectBoundingBox="gradientUnits">
<stop offset=".05" stop-color="hsl(208, 0%, 86%)" />
<stop offset=".5" stop-color="hsl(208, 0%, 64%)" />
<stop offset=".51" stop-color="hsl(206, 0%, 48%)" />
<stop offset=".99" stop-color="hsl(212, 0%, 78%)" />
</linearGradient>
<marker markerHeight="4" markerWidth="4" refY="0" refX="6" viewBox="0 -3 6 6" preserveAspectRatio="none" orient="auto" id="arrowHead"><path d="M0,-3L8,0L0,3"></path></marker>
<marker markerHeight="4" markerWidth="4" refY="0" refX="6" viewBox="0 -3 6 6" preserveAspectRatio="none" orient="auto" id="arrowHeadSelected"><path d="M0,-3L8,0L0,3" fill="red"></path></marker>
<clipPath id="clipNodeImage">
<circle cx="40" cy="40" r="40" />
</clipPath>
</defs>
</svg>
<div id="nodeDetails">
</div>
</svg>
<div id="graphControls">
<ul id='typeLinks'></ul>
<ul id='relLinks'></ul>
</div>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/jsonld@0.5.21/dist/jsonld.js"></script>
<script type="text/javascript">
var data;
function getTitleAttribute(node) {
if(typeof node['name'] !== "undefined"){
return 'name';
}
switch (node['type']) {
case "WebSite":
if(typeof node['url'] !== "undefined") {return 'url';}
break;
case "ImageObject":
if(typeof node['caption'] !== "undefined") {return 'caption';}
break;
break;
case "PostalAddress":
if(typeof node['addressLocality'] !== "undefined") {return 'addressLocality';}
break;
}
return 'id';
}
function getNodeTitle(node){
return node[getTitleAttribute(node)];
}
/**
Transform a flattened jsonld into a d3 compatible graph
@param Object data flattened jsonld data
@return Object graph has keys "nodes" and "links"
*/
function jsonLdToGraph(data){
let nodes = {};
let links = [];
// collect all nodes
for(nodeId in data){
data[nodeId]["type"][0] = data[nodeId]["type"][0];
nodes[data[nodeId]["id"]] = data[nodeId];
}
// collect all links (separate loop as we need to check nodes)
for(nodeId in data) {
let node = data[nodeId];
currentId = node["id"];
for(key in node){
let nodeAttr = Array.isArray(node[key]) ? node[key] : [node[key]];
// // relations should always be lists (eases assumptions)
// if(typeof node[key] !== "Array" && typeof node[key]['id'] !== "undefined") {
// node[key] = [node[key]];
// }
// every attribute is an Array after flatten(), loop them
for(i in nodeAttr) {
if(key !== "id" && typeof nodeAttr[i] === "string" && nodes[nodeAttr[i]]) {
links[links.length] = {
"source": currentId,
"target": nodeAttr[i],
"name": key
};
}
else if(typeof nodeAttr[i]["id"] !== "undefined") {
// if there is just one item, flatten/expand has turned urls in objects with just an id
// reverse this, as we don't want these separate for this project
if (Object.keys(nodeAttr[i]).length == 1 && typeof nodes[nodeAttr[i]["id"]] === "undefined") {
// skip
// nodeAttr = nodeAttr[i]["id"];
} else {
links[links.length] = {
"source": currentId,
"target": nodeAttr[i]["id"],
"name": key
};
}
}
}
}
}
return {
"nodes": Object.values(nodes),
"links": links
};
}
var graph;
var nodeMap = {};
jsonld.flatten("http://localhost:8000/rubenvandeven.jsonld", {"@context": "https://schema.org/"},(err, flattened)=> {
data = flattened;
graph = jsonLdToGraph(flattened['@graph']);
// create a map of nodes by id.
for(let i in graph.nodes) {
nodeMap[graph.nodes[i]['id']] = graph.nodes[i];
}
// console.log(graph);
startGraph(graph);
});
</script>
<script type="text/javascript" src="d3.min.js"></script>
<script>
function startGraph(graph){
// config
var nodeSize = 40;
var selectedNodeSize = 140;
// set some vars
var currentNodeIdx = 0;
var nodePositions = {};
var types = {};
for (nodeIdx in graph['nodes']) {
let type = graph['nodes'][nodeIdx]["type"];
if(typeof types[type] == 'undefined') {
types[type] = [];
}
types[type][types[type].length] = nodeIdx;
}
var graphControlsEl = document.getElementById('graphControls');
var typeLinksEl = document.getElementById('typeLinks');
var relLinksEl = document.getElementById('relLinks');
// make controls
for (let typeName in types) {
let typeLinkEl = document.createElement("li");
typeLinkEl.innerHTML = typeName;
typeLinkEl.addEventListener('click', function(){
positionNodesInCenter(types[typeName]);
});
typeLinksEl.appendChild(typeLinkEl);
}
// make svg
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var simulation = d3.forceSimulation()
.force("link", d3.forceLink().id(function(d) { return d["id"]; }).strength(.005))
.force("charge", d3.forceManyBody()) // doesn't seem necessary?
.force("collision", d3.forceCollide(nodeSize * 1.1)) // avoid overlapping nodes
// .force("center", d3.forceCenter(width / 2, height / 2)) // position around center
// .force("x", d3.forceX())
// .force("y", d3.forceY())
// .force("y", d3.forceY())
;
var link = svg.append("g")
.attr("class", "links")
.selectAll(".relationship")
.data(graph['links'])
.enter().append("g")
.attr("class", function(d){return "relationship "+d.name;})
;
linkLine = link
// .append("line");
.append("line").attr("marker-end", "url(#arrowHead)")
;
linkText = link
.append("text")
.text(function(d){
return d.name;
// snake_case: return d.name.replace(/(?:^|\.?)([A-Z])/g, function (x,y){return "_" + y.toLowerCase()}).replace(/^_/, "");
})
;
var node = svg.append("g")
.attr("class", "nodes")
.selectAll(".node")
.data(graph.nodes)
.enter().append("g")
.attr("class", function(d) { return 'node ' + d['type']; })
;
var positionNodesInCenter = function(idxs) {
let viewBox = svg.attr("viewBox").split(" ").map(parseFloat);
let cx = viewBox[0] + viewBox[2]/2;
let cy = viewBox[1] + viewBox[3]/2;
nodePositions = {}; // reset
if(idxs === null) {
return;
}
else if(typeof idxs == "object") {
// array or object -> each
// calculate grid:
let itemsX = 4;
let itemsY = Math.ceil(idxs.length/itemsX);
console.log(itemsX,itemsY);
let rowDiffX = viewBox[3] * (1/(itemsX+1));
let rowDiffY = viewBox[2] * (1/(itemsY+1));
console.log(rowDiffX, rowDiffY);
for (var i = 0; i < idxs.length; i++) {
nodePositions[idxs[i]] = [
cx - itemsX/2*rowDiffX + rowDiffX * ((i % itemsX)),
cy - itemsY/2*rowDiffY + rowDiffY * (Math.floor(i / itemsX))
];
}
}
else{
nodePositions[idxs] = [
cx,
cy
];
}
node.each(function(d,nIdx,nodeEls){
if(typeof nodePositions[nIdx] != 'undefined') {
nodeEls[nIdx].classList.add('centeredNode');
} else {
nodeEls[nIdx].classList.remove('centeredNode');
}
});
// restart animation (they call that 'alpha' in d3 force)
simulation.alpha(1);
}
var centerByType = function(types) {
if(!Array.isArray(types)) {
types = [types];
}
let idxs = [];
for(let idx in graph.nodes) {
if(types.indexOf(graph.nodes[idx]['type']) > -1) {
idxs[idxs.length] = idx;
}
}
positionNodesInCenter(idxs.length ? idxs : null);
}
d3Selection="";
var selectedNodeTransition = d3.transition()
.duration(750)
.ease(d3.easeLinear);
var nodeDetailEl = document.getElementById("nodeDetails");
var createRelationshipEl = function(relNode) {
let el = document.createElement("dd");
el.classList.add('relLink');
let titleEl = document.createElement('span');
titleEl.innerHTML = getNodeTitle(relNode);
titleEl.classList.add('nodeTitle')
titleEl.addEventListener('click',function(e){
let idx = graph.nodes.indexOf(relNode);
selectNode(idx);
});
let typeEl = document.createElement('span');
typeEl.classList.add('nodeType')
typeEl.innerHTML = relNode['type']
typeEl.addEventListener('click',function(e){
centerByType(relNode['type']);
});
el.appendChild(titleEl);
el.appendChild(typeEl);
// el.innerHTML = `${getNodeTitle(relNode)} (${relNode['type']})`;
return el;
}
var setDetails = function(nodeDatum, nodeIdx) {
nodeDetailEl.classList.add("open");
let relUp = [];
let relDown = [];
let html = `<h2>${getNodeTitle(nodeDatum)}</h2>`;
html += "<dl>";
html += `<dt>type</dt><dd>${nodeDatum['type']}</dd>`;
for (let attr in nodeDatum) {
if([
'id','x','y','index','type','vy','vx','fx','fy','leftX','rightX'
].indexOf(attr) != -1) {
continue;
}
// approach all as array
let nodeAttr = Array.isArray(nodeDatum[attr]) ? nodeDatum[attr] : [nodeDatum[attr]];
for (let i in nodeAttr) {
// check if relationship:
if(typeof nodeAttr[i] === "string" && nodeMap[nodeAttr[i]]) {
// if(typeof relationships[attr] == "undefined") {
// relationships[attr] = [];
// }
// relationships[attr][relationships[attr].length] = nodeMap[nodeAttr[i]];
continue;
} else if(typeof nodeAttr[i]['id'] !== 'undefined') {
// if(typeof relationships[attr] == "undefined") {
// relationships[attr] = [];
// }
// relationships[attr][relationships[attr].length] = nodeMap[nodeAttr[i]['id']];
continue;
}
html += `<dt>${attr}</dt><dd>${nodeAttr[i]}</dd>`;
}
}
html += "</dl>";
html += "<h4 class='linkTitle'>links</h4>";
let relsEl = document.createElement("dl");
// collect relationships
for (var i = 0; i < graph.links.length; i++) {
let link = graph.links[i];
if(link['source']['id'] == nodeDatum['id']) {
if(typeof relDown[link['name']] == "undefined") {
relDown[link['name']] = [];
}
relDown[link['name']][relDown[link['name']].length] = link['target'];
}
if(link['target']['id'] == nodeDatum['id']) {
if(typeof relUp[link['name']] == "undefined") {
relUp[link['name']] = [];
}
relUp[link['name']][relUp[link['name']].length] = link['source'];
}
}
// relationships / links in <dl>
for(let attr in relDown) {
let attrEl = document.createElement("dt");
attrEl.innerHTML = attr;
relsEl.appendChild(attrEl);
for(let i in relDown[attr]) {
let rel = relDown[attr][i];
relsEl.appendChild(createRelationshipEl(rel));
// html += `<dd>${rel['type']}: ${rel['id']}</dd>`;
}
}
for(let attr in relUp) {
let attrEl = document.createElement("dt");
attrEl.innerHTML = attr;
relsEl.appendChild(attrEl);
for(let i in relUp[attr]) {
let rel = relUp[attr][i];
relsEl.appendChild(createRelationshipEl(rel));
// html += `<dd>${rel['type']}: ${rel['id']}</dd>`;
}
}
nodeDetailEl.innerHTML = html;
nodeDetailEl.appendChild(relsEl);
node.each(function(d,nIdx,nodeEls){
if(nIdx == nodeIdx) {
nodeEls[nIdx].classList.add('selectedNode');
} else {
nodeEls[nIdx].classList.remove('selectedNode');
}
});
};
var closeDetails = function() {
nodeDetailEl.classList.remove("open");
}
/**
* Select a node, and center it + show details
* @param int idx The index of the node in the graph.nodes array
* @param Element|null nodeEl Optional, provide node element, so loop doesn't have to be used to change the Element
* @return void
*/
var selectNode = function(idx){
let nodeEl = null;
let nodeDatum = null;
node.each(function(d,nIdx,nodeEls){
if(nIdx == idx) {
nodeEl = nodeEls[idx];
nodeDatum = d;
}
});
if(!nodeEl) {
return;
}
// set global var
positionNodesInCenter(idx);
/* DISABLED: Make selected nodes bigger
// update collision: the selected node should get plenty of space.
simulation.force("collision").radius(function(d, idx){
if(typeof nodePositions[idx] != 'undefined'){
return selectedNodeSize * 1.2;
}
return nodeSize * 1.1;
});
node.each(function(d, idx, nodeEls){
let nodeEl = nodeEls[idx];
let nodeD3 = d3.select(nodeEl);
let circleD3 = nodeD3.select('circle');
if(typeof nodePositions[idx] !== 'undefined') {
circleD3.transition(selectedNodeTransition).attr('r', selectedNodeSize);
// nodeEl.getElementsByTagName("circle")[0].attributes.r.value = selectedNodeSize;
} else {
circleD3.transition(selectedNodeTransition).attr('r', nodeSize);
// nodeEl.getElementsByTagName("circle")[0].attributes.r.value = nodeSize;
}
});
*/
link.each(function(d,idx,linkEls,q){
if(d.source == nodeDatum || d.target == nodeDatum) {
linkEls[idx].classList.add('activeLink','visibleLink');
linkEls[idx].getElementsByTagName("line")[0].setAttribute("marker-end", "url(#arrowHeadSelected)");
node.filter(function(e){
return e.id == d.source.id || e.id == d.target.id; //connected nodes
}).classed('visibleNode', true);
} else {
linkEls[idx].classList.remove('activeLink');
linkEls[idx].getElementsByTagName("line")[0].setAttribute("marker-end", "url(#arrowHead)");
}
});
setDetails(nodeDatum ,idx);
}
var deselectNode = function() {
positionNodesInCenter(null);
link.each(function(d,idx,linkEls,q){
linkEls[idx].classList.remove('activeLink');
linkEls[idx].getElementsByTagName("line")[0].setAttribute("marker-end", "url(#arrowHead)")
});
closeDetails();
}
simulation.force('centerActive', function force(alpha) {
// let currentNode = node.selectAll('.detail');
// console.log(currentNode);
node.each(function(d, idx, nodes){
if(typeof nodePositions[idx] != 'undefined') {
let n = d;
let k = alpha * 0.1;
n.vx -= (n.x - nodePositions[idx][0]) * k * 5;
n.vy -= (n.y - nodePositions[idx][1]) * k * 5;
}
});
});
//path to curve the tile
nodePath = node.append("path")
.attr("id", function(d,idx){return "nodePath"+idx;})
.attr("d", function(){
var r = nodeSize * 0.9;
var startX = nodeSize;
// M cx cy
// m -r, 0
// a r,r 0 1,0 (r * 2),0
// a r,r 0 1,0 -(r * 2),0
// return 'M' + nodeSize/2 + ' ' + nodeSize/2 + ' ' +
return 'M' + 0 + ' ' + 0 + ' ' +
'm -' + r + ', 0'+' ' +
'a ' + r +','+r+' 0 1,0 '+ (r*2) +',0 '+
'a ' + r +','+r+' 0 1,0 -'+ (r*2) +',0'
;
// return 'm' + startX + ',' + nodeSize + ' ' +
// 'a' + r + ',' + r + ' 0 0 0 ' + (2*r) + ',0';
})
;
node.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.on("click", function(d, idx, nodes){
let node = nodes[idx];
if(typeof nodePositions[idx] == 'undefined') {
selectNode(idx, node, d);
} else {
node.parentNode.classList.toggle('detail');
}
});
svg.call(d3.drag()
.on("start", function(){
svg.node().classList.add("dragging");
})
.on("drag", function(){
moveViewboxPx(d3.event.dx, d3.event.dy);
})
.on("end", function(){
svg.node().classList.remove("dragging");
}));
node.append('circle')
.attr("r", nodeSize)
.attr("class", "nodeBg")
;
node.append('circle')
.attr("r", nodeSize * 1.08) // nodeSize + margin
.attr("class", "highlightCircle")
;
node.append('text')
.append("textPath")
.attr( "xlink:href",function(d, idx){return '#nodePath'+idx;})
.text(getNodeTitle);
node.each(function(d) {
if(!d.contentUrl) {
return;
}
d3.select(this).append('svg:image')
.attr("xlink:href", d.contentUrl)
.attr("width", nodeSize*2)
.attr("height", nodeSize*2)
.attr("transform","translate(-"+nodeSize+" -"+nodeSize+")")
.attr("clip-path","url(#clipNodeImage)")
.attr("preserveAspectRatio","xMidYMid slice")
;
});
// node.append("title")
// .text(function(d) { return d.id; });
simulation
.nodes(graph.nodes)
.on("tick", ticked);
simulation.force("link")
.links(graph.links)
.distance(function(l){
switch (l.name) {
case 'publishedAt':
return 400;
case 'image':
return 100;
default:
return 200;
}
}) // distance between the nodes / link length
// .charge(-100)
;
// run on each draw
function ticked() {
graph.nodes.forEach(function (d, idx) {
d.leftX = d.rightX = d.x;
// fix first node on center
// if(idx === 0) {
// d.fx = width/2;
// d.fy = height/2;
// return;
// }
});
linkLine.each(function (d) {
var sourceX, targetX, midX, dy, dy, angle;
// This mess makes the arrows exactly perfect.
// thanks to http://bl.ocks.org/curran/9b73eb564c1c8a3d8f3ab207de364bf4
if( d.source.rightX < d.target.leftX ){
sourceX = d.source.rightX;
targetX = d.target.leftX;
} else if( d.target.rightX < d.source.leftX ){
targetX = d.target.rightX;
sourceX = d.source.leftX;
} else if (d.target.isCircle) {
targetX = sourceX = d.target.x;
} else if (d.source.isCircle) {
targetX = sourceX = d.source.x;
} else {
midX = (d.source.x + d.target.x) / 2;
if(midX > d.target.rightX){
midX = d.target.rightX;
} else if(midX > d.source.rightX){
midX = d.source.rightX;
} else if(midX < d.target.leftX){
midX = d.target.leftX;
} else if(midX < d.source.leftX){
midX = d.source.leftX;
}
targetX = sourceX = midX;
}
dx = targetX - sourceX;
dy = d.target.y - d.source.y;
angle = Math.atan2(dx, dy);
/* DISABLED
srcSize = (typeof nodePositions[d.source.index] != 'undefined') ? selectedNodeSize : nodeSize;
tgtSize = (typeof nodePositions[d.target.index] != 'undefined') ? selectedNodeSize : nodeSize;
*/
srcSize = nodeSize;
tgtSize = nodeSize;
// Compute the line endpoint such that the arrow
// is touching the edge of the node rectangle perfectly.
d.sourceX = sourceX + Math.sin(angle) * srcSize;
d.targetX = targetX - Math.sin(angle) * tgtSize;
d.sourceY = d.source.y + Math.cos(angle) * srcSize;
d.targetY = d.target.y - Math.cos(angle) * tgtSize;
})
.attr("x1", function(d) { return d.sourceX; })
.attr("y1", function(d) { return d.sourceY; })
.attr("x2", function(d) { return d.targetX; })
.attr("y2", function(d) { return d.targetY; });
linkText.attr("transform", function(d){
let dx = (d.target.x - d.source.x) /2;
let dy = (d.target.y - d.source.y) /2;
let x = d.source.x + dx;
let y = d.source.y + dy;
let deg = Math.atan(dy / dx) * 180 / Math.PI;
return "translate("+x+" "+y+") rotate("+deg+") translate(0, -10)";
});
// linkPath.attr("d", function(d) {
// var x1 = d.source.x,
// y1 = d.source.y,
// x2 = d.target.x,
// y2 = d.target.y,
// dx = x2 - x1,
// dy = y2 - y1,
// dr = Math.sqrt(dx * dx + dy * dy),
// // Defaults for normal edge.
// drx = dr,
// dry = dr,
// xRotation = 0, // degrees
// largeArc = 0, // 1 or 0
// sweep = 1; // 1 or 0
// // Self edge.
// if ( x1 === x2 && y1 === y2 ) {
// // Fiddle with this angle to get loop oriented.
// xRotation = -45;
// // Needs to be 1.
// largeArc = 1;
// // Change sweep to change orientation of loop.
// //sweep = 0;
// // Make drx and dry different to get an ellipse
// // instead of a circle.
// drx = 30;
// dry = 20;
// // For whatever reason the arc collapses to a point if the beginning
// // and ending points of the arc are the same, so kludge it.
// x2 = x2 + 1;
// y2 = y2 + 1;
// }
// return "M" + x1 + "," + y1 + "A" + drx + "," + dry + " " + xRotation + "," + largeArc + "," + sweep + " " + x2 + "," + y2;
// });
node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
}
function dragstarted(d,idx,nodes) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
let nodeEl = nodes[idx];
d.fx = d.x;
d.fy = d.y;
// nodeEl.style.fill = '#00f';
nodeEl.classList.add('drag');
}
// use to validate drag
// function validate(x, a, b) {
// if (x =< a) return a;
// return b;
// }
function dragged(d, idx) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d, idx, nodes) {
if (!d3.event.active) simulation.alphaTarget(0);
let nodeEl = nodes[idx];
d.fx = null;
d.fy = null;
nodeEl.classList.remove('drag');
}
function moveViewboxPx(dx, dy){
let viewBox = svg.attr("viewBox").split(" ").map(parseFloat);
viewBox[0] -= dx * 1;
viewBox[1] -= dy * 1;
svg.attr("viewBox", viewBox.join(" "));
}
// start by selecting the first node :-)
// selectNode(currentNodeIdx+1);
selectNode(currentNodeIdx);
}
</script>
</body>
</html>