325 lines
8 KiB
JavaScript
325 lines
8 KiB
JavaScript
define(["d3"], function (d3) {
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return function (config, linkScale, sidebar, router) {
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var self = this
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var svg, vis, link, node
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var nodesDict, linksDict
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var zoomBehavior
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var force
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var el
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var doAnimation = false
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var intNodes = []
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var LINK_DISTANCE = 70
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function graphDiameter(nodes) {
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return Math.sqrt(nodes.length / Math.PI) * LINK_DISTANCE
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}
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function savePositions() {
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if (!localStorageTest())
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return
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var save = intNodes.map( function (d) {
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return { id: d.o.id, x: d.x, y: d.y }
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})
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localStorage.setItem("graph/nodeposition", JSON.stringify(save))
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}
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function nodeName(d) {
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if (d.o.node && d.o.node.nodeinfo)
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return d.o.node.nodeinfo.hostname
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else
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return d.o.id
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}
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function dragstart(d) {
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d3.event.sourceEvent.stopPropagation()
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d.fixed |= 2
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}
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function dragmove(d) {
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d.px = d3.event.x
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d.py = d3.event.y
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force.resume()
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}
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function dragend(d) {
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d3.event.sourceEvent.stopPropagation()
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d.fixed &= 1
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}
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function animatePanzoom(translate, scale) {
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zoomBehavior.scale(scale)
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zoomBehavior.translate(translate)
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var el = vis
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if (doAnimation)
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el = el.transition().duration(500)
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el.attr("transform", "translate(" + translate + ") " +
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"scale(" + scale + ")")
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}
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function panzoom() {
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var translate = zoomBehavior.translate()
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var scale = zoomBehavior.scale()
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vis.attr("transform", "translate(" + translate + ") " +
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"scale(" + scale + ")")
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}
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function getSize() {
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var sidebarWidth = sidebar.getWidth()
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var width = el.offsetWidth - sidebarWidth
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var height = el.offsetHeight
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return [width, height]
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}
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function panzoomTo(a, b) {
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var sidebarWidth = sidebar.getWidth()
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var size = getSize()
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var targetWidth = Math.max(1, b[0] - a[0])
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var targetHeight = Math.max(1, b[1] - a[1])
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var scaleX = size[0] / targetWidth
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var scaleY = size[1] / targetHeight
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var scaleMax = zoomBehavior.scaleExtent()[1]
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var scale = 0.5 * Math.min(scaleMax, Math.min(scaleX, scaleY))
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var centroid = [(a[0] + b[0]) / 2, (a[1] + b[1]) / 2]
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var x = -centroid[0] * scale + size[0] / 2
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var y = -centroid[1] * scale + size[1] / 2
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var translate = [x + sidebarWidth, y]
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animatePanzoom(translate, scale)
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}
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function tickEvent() {
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link.selectAll("line")
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.attr("x1", function(d) { return d.source.x })
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.attr("y1", function(d) { return d.source.y })
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.attr("x2", function(d) { return d.target.x })
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.attr("y2", function(d) { return d.target.y })
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node
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.attr("cx", function(d) { return d.x })
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.attr("cy", function(d) { return d.y })
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}
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el = document.createElement("div")
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el.classList.add("graph")
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self.div = el
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zoomBehavior = d3.behavior.zoom()
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.scaleExtent([1 / 3, 3])
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.on("zoom", panzoom)
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.translate([sidebar.getWidth(), 0])
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svg = d3.select(el).append("svg")
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.attr("pointer-events", "all")
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.call(zoomBehavior)
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vis = svg.append("g")
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vis.append("g").attr("class", "links")
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vis.append("g").attr("class", "nodes")
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force = d3.layout.force()
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.charge(-70)
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.gravity(0.05)
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.linkDistance(LINK_DISTANCE)
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.linkStrength(function (d) {
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return 1 / d.o.tq
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})
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.on("tick", tickEvent)
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.on("end", savePositions)
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panzoom()
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var draggableNode = d3.behavior.drag()
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.on("dragstart", dragstart)
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.on("drag", dragmove)
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.on("dragend", dragend)
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self.setData = function (data) {
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var oldNodes = {}
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intNodes.forEach( function (d) {
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oldNodes[d.o.id] = d
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})
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intNodes = data.graph.nodes.map( function (d) {
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var e
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if (d.id in oldNodes)
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e = oldNodes[d.id]
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else
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e = {}
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e.o = d
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return e
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})
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var newNodesDict = {}
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intNodes.forEach( function (d) {
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newNodesDict[d.o.id] = d
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})
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var intLinks = data.graph.links.filter( function (d) {
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return !d.vpn
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}).map( function (d) {
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var source = newNodesDict[d.source.id]
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var target = newNodesDict[d.target.id]
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return {o: d, source: source, target: target}
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})
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link = vis.select("g.links")
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.selectAll("g.link")
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.data(links, function (d) { return d.id })
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link.exit().remove()
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var linkEnter = link.enter().append("g")
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.attr("class", "link")
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.on("click", function (d) {
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if (!d3.event.defaultPrevented)
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router.link(d)()
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})
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linkEnter.append("line")
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.append("title")
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link.selectAll("line")
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.style("stroke", function (d) { return linkScale(d.o.tq).hex() })
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link.selectAll("title").text(function (d) { return showTq(d.o) })
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linksDict = {}
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link.each( function (d) {
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if (d.o.source.node && d.o.target.node)
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linksDict[d.o.id] = d
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})
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node = vis.select("g.nodes")
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.selectAll(".node")
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.data(intNodes, function(d) { return d.o.id })
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node.exit().remove()
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var nodeEnter = node.enter().append("circle")
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.attr("r", 8)
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.on("click", function (d) {
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if (!d3.event.defaultPrevented)
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router.node(d.o.node)()
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})
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.call(draggableNode)
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node.attr("class", function (d) {
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var s = ["node"]
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if (!d.o.node)
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s.push("unknown")
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return s.join(" ")
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})
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nodesDict = {}
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node.each( function (d) {
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if (d.o.node)
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nodesDict[d.o.node.nodeinfo.node_id] = d
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})
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nodeEnter.append("title")
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if (localStorageTest()) {
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var save = JSON.parse(localStorage.getItem("graph/nodeposition"))
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if (save) {
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var nodePositions = {}
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save.forEach( function (d) {
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nodePositions[d.id] = d
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})
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nodeEnter.each( function (d) {
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if (nodePositions[d.o.id]) {
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d.x = nodePositions[d.o.id].x
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d.y = nodePositions[d.o.id].y
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}
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})
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}
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}
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node.selectAll("title").text(nodeName)
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var diameter = graphDiameter(intNodes)
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force.nodes(intNodes)
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.links(intLinks)
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.size([diameter, diameter])
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if (node.enter().size() + link.enter().size() > 0)
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force.start()
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}
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self.resetView = function () {
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node.classed("highlight", false)
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link.classed("highlight", false)
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panzoomTo([0, 0], force.size())
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doAnimation = true
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}
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self.gotoNode = function (d) {
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link.classed("highlight", false)
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node.classed("highlight", function (e) {
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return e.o.node === d && d !== undefined
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})
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var n = nodesDict[d.nodeinfo.node_id]
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if (n)
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panzoomTo([n.x, n.y], [n.x, n.y])
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doAnimation = true
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}
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self.gotoLink = function (d) {
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node.classed("highlight", false)
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link.classed("highlight", function (e) {
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return e.o === d && d !== undefined
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})
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var l = linksDict[d.id]
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if (l) {
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var x = d3.extent([l.source, l.target], function (d) { return d.x })
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var y = d3.extent([l.source, l.target], function (d) { return d.y })
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panzoomTo([x[0], y[0]], [x[1], y[1]])
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}
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doAnimation = true
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}
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self.destroy = function () {
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force.stop()
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node.remove()
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link.remove()
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svg.remove()
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force = null
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svg = null
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vis = null
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link = null
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node = null
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}
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return self
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}
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})
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