Prevent jump in hte beginning, and format code
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parent
d471ab197a
commit
f348decd02
1 changed files with 76 additions and 69 deletions
145
graph.js
145
graph.js
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@ -84,7 +84,7 @@ function splitText(text) {
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};
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function getTitle(obj) {
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if(obj.parent) {
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if (obj.parent) {
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return "sub of " + obj.parent.split('#', 1)[0].replace(/_/g, " ")
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}
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return obj['@id'].split('#', 1)[0].replace(/_/g, " ")
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@ -129,11 +129,11 @@ function buildGraph(data) {
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.iterations(2) // increase to make more rigid
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)
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.force("charge", d3.forceManyBody()
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.strength(-50)
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.strength(-40)
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)
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.force("center", d3.forceCenter(width / 2, height / 2))
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.force("collision", d3.forceCollide(function (d) {
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return getSizeForNode(d) * 1.5; // avoid overlapping nodes
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return getSizeForNode(d) * 1.5; // avoid overlapping nodes
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}));
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const svg = d3.select("svg")
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@ -151,7 +151,7 @@ function buildGraph(data) {
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.append("line").
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attr("marker-end", "url(#arrowHead)");
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const linkText = link.append("text").text(function (l) {
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return l.name;
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return l.name;
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});
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const node = container.append("g")
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@ -211,14 +211,14 @@ function buildGraph(data) {
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data.nodes.forEach(function (d, idx) {
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d.leftX = d.rightX = d.x;
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d.leftX = d.rightX = d.x;
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// fix first node on center
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// if(idx === 0) {
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// d.fx = width/2;
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// d.fy = height/2;
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// return;
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// }
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// fix first node on center
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// if(idx === 0) {
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// d.fx = width/2;
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// d.fy = height/2;
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// return;
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// }
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});
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link
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.attr("x1", d => d.source.x)
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@ -227,72 +227,72 @@ function buildGraph(data) {
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.attr("y2", d => d.target.y);
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linkLine.each(function (d) {
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var sourceX, targetX, midX, dx, dy, angle;
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var sourceX, targetX, midX, dx, dy, angle;
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// This mess makes the arrows exactly perfect.
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// thanks to http://bl.ocks.org/curran/9b73eb564c1c8a3d8f3ab207de364bf4
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if (d.source.x < d.target.x) {
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sourceX = d.source.x;
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targetX = d.target.x;
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} else if (d.target.x < d.source.x) {
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targetX = d.target.x;
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sourceX = d.source.x;
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} else if (d.target.isCircle) {
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targetX = sourceX = d.target.x;
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} else if (d.source.isCircle) {
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targetX = sourceX = d.source.x;
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} else {
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midX = (d.source.x + d.target.x) / 2;
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if (midX > d.target.x) {
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midX = d.target.x;
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} else if (midX > d.source.x) {
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midX = d.source.x;
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} else if (midX < d.target.x) {
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midX = d.target.x;
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} else if (midX < d.source.x) {
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midX = d.source.x;
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// This mess makes the arrows exactly perfect.
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// thanks to http://bl.ocks.org/curran/9b73eb564c1c8a3d8f3ab207de364bf4
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if (d.source.x < d.target.x) {
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sourceX = d.source.x;
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targetX = d.target.x;
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} else if (d.target.x < d.source.x) {
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targetX = d.target.x;
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sourceX = d.source.x;
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} else if (d.target.isCircle) {
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targetX = sourceX = d.target.x;
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} else if (d.source.isCircle) {
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targetX = sourceX = d.source.x;
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} else {
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midX = (d.source.x + d.target.x) / 2;
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if (midX > d.target.x) {
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midX = d.target.x;
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} else if (midX > d.source.x) {
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midX = d.source.x;
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} else if (midX < d.target.x) {
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midX = d.target.x;
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} else if (midX < d.source.x) {
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midX = d.source.x;
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}
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targetX = sourceX = midX;
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}
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targetX = sourceX = midX;
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}
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dx = targetX - sourceX;
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dy = d.target.y - d.source.y;
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angle = Math.atan2(dx, dy);
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dx = targetX - sourceX;
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dy = d.target.y - d.source.y;
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angle = Math.atan2(dx, dy);
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/* DISABLED
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srcSize = (typeof nodePositions[d.source.index] != 'undefined') ? selectedNodeSize : nodeSize;
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tgtSize = (typeof nodePositions[d.target.index] != 'undefined') ? selectedNodeSize : nodeSize;
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*/
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var srcSize = getSizeForNode(d.source);
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var tgtSize = getSizeForNode(d.target);
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/* DISABLED
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srcSize = (typeof nodePositions[d.source.index] != 'undefined') ? selectedNodeSize : nodeSize;
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tgtSize = (typeof nodePositions[d.target.index] != 'undefined') ? selectedNodeSize : nodeSize;
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*/
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var srcSize = getSizeForNode(d.source);
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var tgtSize = getSizeForNode(d.target);
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// Compute the line endpoint such that the arrow
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// is touching the edge of the node rectangle perfectly.
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d.sourceX = sourceX + Math.sin(angle) * srcSize;
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d.targetX = targetX - Math.sin(angle) * tgtSize;
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d.sourceY = d.source.y + Math.cos(angle) * srcSize;
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d.targetY = d.target.y - Math.cos(angle) * tgtSize;
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// Compute the line endpoint such that the arrow
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// is touching the edge of the node rectangle perfectly.
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d.sourceX = sourceX + Math.sin(angle) * srcSize;
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d.targetX = targetX - Math.sin(angle) * tgtSize;
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d.sourceY = d.source.y + Math.cos(angle) * srcSize;
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d.targetY = d.target.y - Math.cos(angle) * tgtSize;
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}).attr("x1", function (d) {
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return d.sourceX;
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return d.sourceX;
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}).attr("y1", function (d) {
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return d.sourceY;
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return d.sourceY;
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}).attr("x2", function (d) {
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return d.targetX;
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return d.targetX;
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}).attr("y2", function (d) {
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return d.targetY;
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return d.targetY;
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});
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linkText.attr("transform", function (d) {
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const dx = (d.target.x - d.source.x) / 2;
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const dy = (d.target.y - d.source.y) / 2;
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const x = d.source.x + dx;
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const y = d.source.y + dy;
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const deg = Math.atan(dy / dx) * 180 / Math.PI;
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// if dx/dy == 0/0 -> deg == NaN
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if (isNaN(deg)) {
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return "";
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}
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// return "";
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return "translate(" + x + " " + y + ") rotate(" + (CONFIG.labels.rotate ? deg : 0) + ")";
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const dx = (d.target.x - d.source.x) / 2;
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const dy = (d.target.y - d.source.y) / 2;
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const x = d.source.x + dx;
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const y = d.source.y + dy;
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const deg = Math.atan(dy / dx) * 180 / Math.PI;
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// if dx/dy == 0/0 -> deg == NaN
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if (isNaN(deg)) {
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return "";
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}
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// return "";
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return "translate(" + x + " " + y + ") rotate(" + (CONFIG.labels.rotate ? deg : 0) + ")";
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});
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node
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@ -300,6 +300,13 @@ function buildGraph(data) {
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});
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// simulate the first bit without drawing, so we don't have the 'jumping' graph in the beginning
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for (var i = 0, n = Math.ceil(Math.log(simulation.alphaMin()) / Math.log(1 - simulation.alphaDecay())); i < n; ++i) {
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simulation.tick();
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}
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return svg.node();
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}
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@ -333,7 +340,7 @@ const drag = simulation => {
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.on("end", dragended);
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};
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function selectNode(evt, node, d3Node){
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function selectNode(evt, node, d3Node) {
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console.log(evt, node, d3Node);
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document.querySelectorAll('svg .node').forEach(n => n.classList.remove('selected'));
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d3Node._groups[0][node.index].classList.add('selected');
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@ -344,9 +351,9 @@ function selectNode(evt, node, d3Node){
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const url = getUrl(node);
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const hrefEl = infoEl.querySelector('.nodeHref');
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hrefEl.textContent = getTitle(node);
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hrefEl.setAttribute('href',url);
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hrefEl.setAttribute('href', url);
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infoEl.querySelector('.nodeContents').src = url;
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}
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document.getElementById('closeInfo').addEventListener('click', (evt) => {
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