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Allow positioner to be configurable #273

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Allow positioner to be configurable #273

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fddd6cc
Allow positioner to be configurable
Jun 28, 2019
7298d4d
Export util.buildLayerMatrix
Jun 28, 2019
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3 changes: 2 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ module.exports = {
debug: require("./lib/debug"),
util: {
time: require("./lib/util").time,
notime: require("./lib/util").notime
notime: require("./lib/util").notime,
buildLayerMatrix: require("./lib/util").buildLayerMatrix
},
version: require("./lib/version")
};
2 changes: 1 addition & 1 deletion lib/layout.js
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Expand Up @@ -96,7 +96,7 @@ function updateInputGraph(inputGraph, layoutGraph) {

var graphNumAttrs = ["nodesep", "edgesep", "ranksep", "marginx", "marginy"];
var graphDefaults = { ranksep: 50, edgesep: 20, nodesep: 50, rankdir: "tb" };
var graphAttrs = ["acyclicer", "ranker", "rankdir", "align"];
var graphAttrs = ["acyclicer", "ranker", "positioner", "rankdir", "align"];
var nodeNumAttrs = ["width", "height"];
var nodeDefaults = { width: 0, height: 0 };
var edgeNumAttrs = ["minlen", "weight", "width", "height", "labeloffset"];
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5 changes: 5 additions & 0 deletions lib/position/index.js
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Expand Up @@ -9,6 +9,11 @@ module.exports = position;
function position(g) {
g = util.asNonCompoundGraph(g);

var positioner = g.graph().positioner;
if (positioner instanceof Function) {
return positioner(g)
}

positionY(g);
_.forEach(positionX(g), function(x, v) {
g.node(v).x = x;
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