| /* |
| ONOS network topology viewer - PoC version 1.0 |
| |
| @author Simon Hunt |
| */ |
| |
| (function (onos) { |
| 'use strict'; |
| |
| var api = onos.api; |
| |
| var config = { |
| layering: false, |
| jsonUrl: 'network.json', |
| iconUrl: { |
| pkt: 'pkt.png', |
| opt: 'opt.png' |
| }, |
| mastHeight: 32, |
| force: { |
| linkDistance: 240, |
| linkStrength: 0.8, |
| charge: -400, |
| ticksWithoutCollisions: 50, |
| marginLR: 20, |
| marginTB: 20, |
| translate: function() { |
| return 'translate(' + |
| config.force.marginLR + ',' + |
| config.force.marginTB + ')'; |
| } |
| }, |
| labels: { |
| padLR: 3, |
| padTB: 2, |
| marginLR: 3, |
| marginTB: 2 |
| }, |
| constraints: { |
| ypos: { |
| pkt: 0.3, |
| opt: 0.7 |
| } |
| } |
| }, |
| view = {}, |
| network = {}, |
| selected = {}, |
| highlighted = null; |
| |
| |
| function loadNetworkView() { |
| // Hey, here I am, calling something on the ONOS api: |
| api.printTime(); |
| |
| resize(); |
| |
| d3.json(config.jsonUrl, function (err, data) { |
| if (err) { |
| alert('Oops! Error reading JSON...\n\n' + |
| 'URL: ' + jsonUrl + '\n\n' + |
| 'Error: ' + err.message); |
| return; |
| } |
| console.log("here is the JSON data..."); |
| console.log(data); |
| |
| network.data = data; |
| drawNetwork(); |
| }); |
| |
| $(document).on('click', '.select-object', function() { |
| // when any object of class "select-object" is clicked... |
| // TODO: get a reference to the object via lookup... |
| var obj = network.lookup[$(this).data('id')]; |
| if (obj) { |
| selectObject(obj); |
| } |
| // stop propagation of event (I think) ... |
| return false; |
| }); |
| |
| $(window).on('resize', resize); |
| } |
| |
| |
| // ======================================================== |
| |
| function drawNetwork() { |
| $('#view').empty(); |
| |
| prepareNodesAndLinks(); |
| createLayout(); |
| console.log("\n\nHere is the augmented network object..."); |
| console.warn(network); |
| } |
| |
| function prepareNodesAndLinks() { |
| network.lookup = {}; |
| network.nodes = []; |
| network.links = []; |
| |
| var nw = network.forceWidth, |
| nh = network.forceHeight; |
| |
| network.data.nodes.forEach(function(n) { |
| var ypc = yPosConstraintForNode(n), |
| ix = Math.random() * 0.6 * nw + 0.2 * nw, |
| iy = ypc * nh, |
| node = { |
| id: n.id, |
| type: n.type, |
| status: n.status, |
| x: ix, |
| y: iy, |
| constraint: { |
| weight: 0.7, |
| y: iy |
| } |
| }; |
| network.lookup[n.id] = node; |
| network.nodes.push(node); |
| }); |
| |
| function yPosConstraintForNode(n) { |
| return config.constraints.ypos[n.type] || 0.5; |
| } |
| |
| |
| network.data.links.forEach(function(n) { |
| var src = network.lookup[n.src], |
| dst = network.lookup[n.dst], |
| id = src.id + "~" + dst.id; |
| |
| var link = { |
| id: id, |
| source: src, |
| target: dst, |
| strength: config.force.linkStrength |
| }; |
| network.links.push(link); |
| }); |
| } |
| |
| function createLayout() { |
| |
| network.force = d3.layout.force() |
| .nodes(network.nodes) |
| .links(network.links) |
| .linkStrength(function(d) { return d.strength; }) |
| .size([network.forceWidth, network.forceHeight]) |
| .linkDistance(config.force.linkDistance) |
| .charge(config.force.charge) |
| .on('tick', tick); |
| |
| network.svg = d3.select('#view').append('svg') |
| .attr('width', view.width) |
| .attr('height', view.height) |
| .append('g') |
| // .attr('id', 'zoomable') |
| .attr('transform', config.force.translate()) |
| // .call(d3.behavior.zoom().on("zoom", zoomRedraw)); |
| |
| // function zoomRedraw() { |
| // d3.select("#zoomable").attr("transform", |
| // "translate(" + d3.event.translate + ")" |
| // + " scale(" + d3.event.scale + ")"); |
| // } |
| |
| // TODO: svg.append('defs') for markers? |
| |
| // TODO: move glow/blur stuff to util script |
| var glow = network.svg.append('filter') |
| .attr('x', '-50%') |
| .attr('y', '-50%') |
| .attr('width', '200%') |
| .attr('height', '200%') |
| .attr('id', 'blue-glow'); |
| |
| glow.append('feColorMatrix') |
| .attr('type', 'matrix') |
| .attr('values', '0 0 0 0 0 ' + |
| '0 0 0 0 0 ' + |
| '0 0 0 0 .7 ' + |
| '0 0 0 1 0 '); |
| |
| glow.append('feGaussianBlur') |
| .attr('stdDeviation', 3) |
| .attr('result', 'coloredBlur'); |
| |
| glow.append('feMerge').selectAll('feMergeNode') |
| .data(['coloredBlur', 'SourceGraphic']) |
| .enter().append('feMergeNode') |
| .attr('in', String); |
| |
| // TODO: legend (and auto adjust on scroll) |
| // $('#view').on('scroll', function() { |
| // |
| // }); |
| |
| |
| |
| |
| network.link = network.svg.append('g').selectAll('.link') |
| .data(network.force.links(), function(d) {return d.id}) |
| .enter().append('line') |
| .attr('class', 'link'); |
| |
| // TODO: drag behavior |
| network.draggedThreshold = d3.scale.linear() |
| .domain([0, 0.1]) |
| .range([5, 20]) |
| .clamp(true); |
| |
| function dragged(d) { |
| var threshold = network.draggedThreshold(network.force.alpha()), |
| dx = d.oldX - d.px, |
| dy = d.oldY - d.py; |
| if (Math.abs(dx) >= threshold || Math.abs(dy) >= threshold) { |
| d.dragged = true; |
| } |
| return d.dragged; |
| } |
| |
| network.drag = d3.behavior.drag() |
| .origin(function(d) { return d; }) |
| .on('dragstart', function(d) { |
| d.oldX = d.x; |
| d.oldY = d.y; |
| d.dragged = false; |
| d.fixed |= 2; |
| }) |
| .on('drag', function(d) { |
| d.px = d3.event.x; |
| d.py = d3.event.y; |
| if (dragged(d)) { |
| if (!network.force.alpha()) { |
| network.force.alpha(.025); |
| } |
| } |
| }) |
| .on('dragend', function(d) { |
| if (!dragged(d)) { |
| selectObject(d, this); |
| } |
| d.fixed &= ~6; |
| }); |
| |
| $('#view').on('click', function(e) { |
| if (!$(e.target).closest('.node').length) { |
| deselectObject(); |
| } |
| }); |
| |
| // TODO: add drag, mouseover, mouseout behaviors |
| network.node = network.svg.selectAll('.node') |
| .data(network.force.nodes(), function(d) {return d.id}) |
| .enter().append('g') |
| .attr('class', function(d) { |
| return 'node ' + d.type; |
| }) |
| .attr('transform', function(d) { |
| return translate(d.x, d.y); |
| }) |
| .call(network.drag) |
| .on('mouseover', function(d) { |
| if (!selected.obj) { |
| if (network.mouseoutTimeout) { |
| clearTimeout(network.mouseoutTimeout); |
| network.mouseoutTimeout = null; |
| } |
| highlightObject(d); |
| } |
| }) |
| .on('mouseout', function(d) { |
| if (!selected.obj) { |
| if (network.mouseoutTimeout) { |
| clearTimeout(network.mouseoutTimeout); |
| network.mouseoutTimeout = null; |
| } |
| network.mouseoutTimeout = setTimeout(function() { |
| highlightObject(null); |
| }, 160); |
| } |
| }); |
| |
| // TODO: augment stroke and fill functions |
| network.nodeRect = network.node.append('rect') |
| // TODO: css for node rects |
| .attr('rx', 5) |
| .attr('ry', 5) |
| // .attr('stroke', function(d) { return '#000'}) |
| // .attr('fill', function(d) { return '#ddf'}) |
| .attr('width', 126) |
| .attr('height', 24); |
| |
| network.node.each(function(d) { |
| var node = d3.select(this), |
| rect = node.select('rect'), |
| img = node.append('svg:image') |
| .attr('x', -9) |
| .attr('y', -12) |
| .attr('width', 32) |
| .attr('height', 32) |
| .attr('xlink:href', iconUrl(d)), |
| text = node.append('text') |
| .text(d.id) |
| .attr('dx', '1.0em') |
| .attr('dy', '1.8em'), |
| dummy; |
| |
| }); |
| |
| // this function is scheduled to happen soon after the given thread ends |
| setTimeout(function() { |
| network.node.each(function(d) { |
| // for every node, recompute size, padding, etc. so text fits |
| var node = d3.select(this), |
| text = node.selectAll('text'), |
| bounds = {}, |
| first = true; |
| |
| // NOTE: probably unnecessary code if we only have one line. |
| }); |
| |
| network.numTicks = 0; |
| network.preventCollisions = false; |
| network.force.start(); |
| for (var i = 0; i < config.ticksWithoutCollisions; i++) { |
| network.force.tick(); |
| } |
| network.preventCollisions = true; |
| $('#view').css('visibility', 'visible'); |
| }); |
| |
| } |
| |
| function iconUrl(d) { |
| return config.iconUrl[d.type]; |
| } |
| |
| function translate(x, y) { |
| return 'translate(' + x + ',' + y + ')'; |
| } |
| |
| |
| function tick(e) { |
| network.numTicks++; |
| |
| if (config.layering) { |
| // adjust the y-coord of each node, based on y-pos constraints |
| network.nodes.forEach(function (n) { |
| var z = e.alpha * n.constraint.weight; |
| if (!isNaN(n.constraint.y)) { |
| n.y = (n.constraint.y * z + n.y * (1 - z)); |
| } |
| }); |
| } |
| |
| network.link |
| .attr('x1', function(d) { |
| return d.source.x; |
| }) |
| .attr('y1', function(d) { |
| return d.source.y; |
| }) |
| .attr('x2', function(d) { |
| return d.target.x; |
| }) |
| .attr('y2', function(d) { |
| return d.target.y; |
| }); |
| |
| network.node |
| .attr('transform', function(d) { |
| return translate(d.x, d.y); |
| }); |
| |
| } |
| |
| // $('#docs-close').on('click', function() { |
| // deselectObject(); |
| // return false; |
| // }); |
| |
| // $(document).on('click', '.select-object', function() { |
| // var obj = graph.data[$(this).data('name')]; |
| // if (obj) { |
| // selectObject(obj); |
| // } |
| // return false; |
| // }); |
| |
| function selectObject(obj, el) { |
| var node; |
| if (el) { |
| node = d3.select(el); |
| } else { |
| network.node.each(function(d) { |
| if (d == obj) { |
| node = d3.select(el = this); |
| } |
| }); |
| } |
| if (!node) return; |
| |
| if (node.classed('selected')) { |
| deselectObject(); |
| return; |
| } |
| deselectObject(false); |
| |
| selected = { |
| obj : obj, |
| el : el |
| }; |
| |
| highlightObject(obj); |
| |
| node.classed('selected', true); |
| |
| // TODO animate incoming info pane |
| // resize(true); |
| // TODO: check bounds of selected node and scroll into view if needed |
| } |
| |
| function deselectObject(doResize) { |
| // Review: logic of 'resize(...)' function. |
| if (doResize || typeof doResize == 'undefined') { |
| resize(false); |
| } |
| // deselect all nodes in the network... |
| network.node.classed('selected', false); |
| selected = {}; |
| highlightObject(null); |
| } |
| |
| function highlightObject(obj) { |
| if (obj) { |
| if (obj != highlighted) { |
| // TODO set or clear "inactive" class on nodes, based on criteria |
| network.node.classed('inactive', function(d) { |
| // return (obj !== d && |
| // d.relation(obj.id)); |
| return (obj !== d); |
| }); |
| // TODO: same with links |
| network.link.classed('inactive', function(d) { |
| return (obj !== d.source && obj !== d.target); |
| }); |
| } |
| highlighted = obj; |
| } else { |
| if (highlighted) { |
| // clear the inactive flag (no longer suppressed visually) |
| network.node.classed('inactive', false); |
| network.link.classed('inactive', false); |
| } |
| highlighted = null; |
| |
| } |
| } |
| |
| function resize(showDetails) { |
| console.log("resize() called..."); |
| |
| var $details = $('#details'); |
| |
| if (typeof showDetails == 'boolean') { |
| var showingDetails = showDetails; |
| // TODO: invoke $details.show() or $details.hide()... |
| // $details[showingDetails ? 'show' : 'hide'](); |
| } |
| |
| view.height = window.innerHeight - config.mastHeight; |
| view.width = window.innerWidth; |
| $('#view') |
| .css('height', view.height + 'px') |
| .css('width', view.width + 'px'); |
| |
| network.forceWidth = view.width - config.force.marginLR; |
| network.forceHeight = view.height - config.force.marginTB; |
| } |
| |
| // ====================================================================== |
| // register with the UI framework |
| |
| api.addView('network', { |
| load: loadNetworkView |
| }); |
| |
| |
| }(ONOS)); |
| |