Restructuring GUI code - first pass - WIP.
diff --git a/web/gui/src/main/webapp/topo2.js b/web/gui/src/main/webapp/topo2.js
new file mode 100644
index 0000000..b249c09
--- /dev/null
+++ b/web/gui/src/main/webapp/topo2.js
@@ -0,0 +1,1222 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ ONOS network topology viewer - PoC version 1.0
+
+ @author Simon Hunt
+ */
+
+(function (onos) {
+ 'use strict';
+
+ // reference to the framework api
+ var api = onos.api;
+
+ // configuration data
+ var config = {
+ useLiveData: true,
+ debugOn: false,
+ debug: {
+ showNodeXY: false,
+ showKeyHandler: true
+ },
+ options: {
+ layering: true,
+ collisionPrevention: true,
+ loadBackground: true
+ },
+ backgroundUrl: 'img/us-map.png',
+ data: {
+ live: {
+ jsonUrl: 'rs/topology/graph',
+ detailPrefix: 'rs/topology/graph/',
+ detailSuffix: ''
+ },
+ fake: {
+ jsonUrl: 'json/network2.json',
+ detailPrefix: 'json/',
+ detailSuffix: '.json'
+ }
+ },
+ iconUrl: {
+ device: 'img/device.png',
+ host: 'img/host.png',
+ pkt: 'img/pkt.png',
+ opt: 'img/opt.png'
+ },
+ mastHeight: 36,
+ force: {
+ note: 'node.class or link.class is used to differentiate',
+ linkDistance: {
+ infra: 200,
+ host: 40
+ },
+ linkStrength: {
+ infra: 1.0,
+ host: 1.0
+ },
+ charge: {
+ device: -800,
+ host: -1000
+ },
+ ticksWithoutCollisions: 50,
+ marginLR: 20,
+ marginTB: 20,
+ translate: function() {
+ return 'translate(' +
+ config.force.marginLR + ',' +
+ config.force.marginTB + ')';
+ }
+ },
+ labels: {
+ imgPad: 16,
+ padLR: 8,
+ padTB: 6,
+ marginLR: 3,
+ marginTB: 2,
+ port: {
+ gap: 3,
+ width: 18,
+ height: 14
+ }
+ },
+ icons: {
+ w: 32,
+ h: 32,
+ xoff: -12,
+ yoff: -8
+ },
+ constraints: {
+ ypos: {
+ host: 0.05,
+ switch: 0.3,
+ roadm: 0.7
+ }
+ },
+ hostLinkWidth: 1.0,
+ hostRadius: 7,
+ mouseOutTimerDelayMs: 120
+ };
+
+ // state variables
+ var view = {},
+ network = {},
+ selected = {},
+ highlighted = null,
+ hovered = null,
+ viewMode = 'showAll',
+ portLabelsOn = false;
+
+
+ function debug(what) {
+ return config.debugOn && config.debug[what];
+ }
+
+ function urlData() {
+ return config.data[config.useLiveData ? 'live' : 'fake'];
+ }
+
+ function networkJsonUrl() {
+ return urlData().jsonUrl;
+ }
+
+ function safeId(id) {
+ return id.replace(/[^a-z0-9]/gi, '_');
+ }
+
+ function detailJsonUrl(id) {
+ var u = urlData(),
+ encId = config.useLiveData ? encodeURIComponent(id) : safeId(id);
+ return u.detailPrefix + encId + u.detailSuffix;
+ }
+
+
+ // load the topology view of the network
+ function loadNetworkView() {
+ // Hey, here I am, calling something on the ONOS api:
+ api.printTime();
+
+ resize();
+
+ // go get our network data from the server...
+ var url = networkJsonUrl();
+ d3.json(url , function (err, data) {
+ if (err) {
+ alert('Oops! Error reading JSON...\n\n' +
+ 'URL: ' + url + '\n\n' +
+ 'Error: ' + err.message);
+ return;
+ }
+// console.log("here is the JSON data...");
+// console.log(data);
+
+ network.data = data;
+ drawNetwork();
+ });
+
+ // while we wait for the data, set up the handlers...
+ setUpClickHandler();
+ setUpRadioButtonHandler();
+ setUpKeyHandler();
+ $(window).on('resize', resize);
+ }
+
+ function setUpClickHandler() {
+ // click handler for "selectable" objects
+ $(document).on('click', '.select-object', function () {
+ // when any object of class "select-object" is clicked...
+ var obj = network.lookup[$(this).data('id')];
+ if (obj) {
+ selectObject(obj);
+ }
+ // stop propagation of event (I think) ...
+ return false;
+ });
+ }
+
+ function setUpRadioButtonHandler() {
+ d3.selectAll('#displayModes .radio').on('click', function () {
+ var id = d3.select(this).attr('id');
+ if (id !== viewMode) {
+ radioButton('displayModes', id);
+ viewMode = id;
+ doRadioAction(id);
+ }
+ });
+ }
+
+ function doRadioAction(id) {
+ showAllLayers();
+ if (id === 'showPkt') {
+ showPacketLayer();
+ } else if (id === 'showOpt') {
+ showOpticalLayer();
+ }
+ }
+
+ function showAllLayers() {
+ network.node.classed('inactive', false);
+ network.link.classed('inactive', false);
+ d3.selectAll('svg .port').classed('inactive', false)
+ d3.selectAll('svg .portText').classed('inactive', false)
+ }
+
+ function showPacketLayer() {
+ network.node.each(function(d) {
+ // deactivate nodes that are not hosts or switches
+ if (d.class === 'device' && d.type !== 'switch') {
+ d3.select(this).classed('inactive', true);
+ }
+ });
+
+ network.link.each(function(lnk) {
+ // deactivate infrastructure links that have opt's as endpoints
+ if (lnk.source.type === 'roadm' || lnk.target.type === 'roadm') {
+ d3.select(this).classed('inactive', true);
+ }
+ });
+
+ // deactivate non-packet ports
+ d3.selectAll('svg .optPort').classed('inactive', true)
+ }
+
+ function showOpticalLayer() {
+ network.node.each(function(d) {
+ // deactivate nodes that are not optical devices
+ if (d.type !== 'roadm') {
+ d3.select(this).classed('inactive', true);
+ }
+ });
+
+ network.link.each(function(lnk) {
+ // deactivate infrastructure links that have opt's as endpoints
+ if (lnk.source.type !== 'roadm' || lnk.target.type !== 'roadm') {
+ d3.select(this).classed('inactive', true);
+ }
+ });
+
+ // deactivate non-packet ports
+ d3.selectAll('svg .pktPort').classed('inactive', true)
+ }
+
+ function setUpKeyHandler() {
+ d3.select('body')
+ .on('keydown', function () {
+ processKeyEvent();
+ if (debug('showKeyHandler')) {
+ network.svg.append('text')
+ .attr('x', 5)
+ .attr('y', 15)
+ .style('font-size', '20pt')
+ .text('keyCode: ' + d3.event.keyCode +
+ ' applied to : ' + contextLabel())
+ .transition().duration(2000)
+ .style('font-size', '2pt')
+ .style('fill-opacity', 0.01)
+ .remove();
+ }
+ });
+ }
+
+ function contextLabel() {
+ return hovered === null ? "(nothing)" : hovered.id;
+ }
+
+ function radioButton(group, id) {
+ d3.selectAll("#" + group + " .radio").classed("active", false);
+ d3.select("#" + group + " #" + id).classed("active", true);
+ }
+
+ function processKeyEvent() {
+ var code = d3.event.keyCode;
+ switch (code) {
+ case 66: // B
+ toggleBackground();
+ break;
+ case 71: // G
+ cycleLayout();
+ break;
+ case 76: // L
+ cycleLabels();
+ break;
+ case 80: // P
+ togglePorts();
+ break;
+ case 85: // U
+ unpin();
+ break;
+ }
+
+ }
+
+ function toggleBackground() {
+ var bg = d3.select('#bg'),
+ vis = bg.style('visibility'),
+ newvis = (vis === 'hidden') ? 'visible' : 'hidden';
+ bg.style('visibility', newvis);
+ }
+
+ function cycleLayout() {
+ config.options.layering = !config.options.layering;
+ network.force.resume();
+ }
+
+ function cycleLabels() {
+ console.log('Cycle Labels - context = ' + contextLabel());
+ }
+
+ function togglePorts() {
+ portLabelsOn = !portLabelsOn;
+ var portVis = portLabelsOn ? 'visible' : 'hidden';
+ d3.selectAll('.port').style('visibility', portVis);
+ d3.selectAll('.portText').style('visibility', portVis);
+ }
+
+ function unpin() {
+ if (hovered) {
+ hovered.fixed = false;
+ findNodeFromData(hovered).classed('fixed', false);
+ network.force.resume();
+ }
+ console.log('Unpin - context = ' + contextLabel());
+ }
+
+
+ // ========================================================
+
+ function drawNetwork() {
+ $('#view').empty();
+
+ prepareNodesAndLinks();
+ createLayout();
+ console.log("\n\nHere is the augmented network object...");
+ console.log(network);
+ }
+
+ function prepareNodesAndLinks() {
+ network.lookup = {};
+ network.nodes = [];
+ network.links = [];
+
+ var nw = network.forceWidth,
+ nh = network.forceHeight;
+
+ function yPosConstraintForNode(n) {
+ return config.constraints.ypos[n.type || 'host'];
+ }
+
+ // Note that both 'devices' and 'hosts' get mapped into the nodes array
+
+ // first, the devices...
+ network.data.devices.forEach(function(n) {
+ var ypc = yPosConstraintForNode(n),
+ ix = Math.random() * 0.6 * nw + 0.2 * nw,
+ iy = ypc * nh,
+ node = {
+ id: n.id,
+ labels: n.labels,
+ class: 'device',
+ icon: 'device',
+ type: n.type,
+ x: ix,
+ y: iy,
+ constraint: {
+ weight: 0.7,
+ y: iy
+ }
+ };
+ network.lookup[n.id] = node;
+ network.nodes.push(node);
+ });
+
+ // then, the hosts...
+ network.data.hosts.forEach(function(n) {
+ var ypc = yPosConstraintForNode(n),
+ ix = Math.random() * 0.6 * nw + 0.2 * nw,
+ iy = ypc * nh,
+ node = {
+ id: n.id,
+ labels: n.labels,
+ class: 'host',
+ icon: 'host',
+ type: n.type,
+ x: ix,
+ y: iy,
+ constraint: {
+ weight: 0.7,
+ y: iy
+ }
+ };
+ network.lookup[n.id] = node;
+ network.nodes.push(node);
+ });
+
+
+ // now, process the explicit links...
+ network.data.links.forEach(function(lnk) {
+ var src = network.lookup[lnk.src],
+ dst = network.lookup[lnk.dst],
+ id = src.id + "-" + dst.id;
+
+ var link = {
+ class: 'infra',
+ id: id,
+ type: lnk.type,
+ width: lnk.linkWidth,
+ source: src,
+ srcPort: lnk.srcPort,
+ target: dst,
+ tgtPort: lnk.dstPort,
+ strength: config.force.linkStrength.infra
+ };
+ network.links.push(link);
+ });
+
+ // finally, infer host links...
+ network.data.hosts.forEach(function(n) {
+ var src = network.lookup[n.id],
+ dst = network.lookup[n.cp.device],
+ id = src.id + "-" + dst.id;
+
+ var link = {
+ class: 'host',
+ id: id,
+ type: 'hostLink',
+ width: config.hostLinkWidth,
+ source: src,
+ target: dst,
+ strength: config.force.linkStrength.host
+ };
+ network.links.push(link);
+ });
+ }
+
+ function createLayout() {
+
+ var cfg = config.force;
+
+ network.force = d3.layout.force()
+ .size([network.forceWidth, network.forceHeight])
+ .nodes(network.nodes)
+ .links(network.links)
+ .linkStrength(function(d) { return cfg.linkStrength[d.class]; })
+ .linkDistance(function(d) { return cfg.linkDistance[d.class]; })
+ .charge(function(d) { return cfg.charge[d.class]; })
+ .on('tick', tick);
+
+ network.svg = d3.select('#view').append('svg')
+ .attr('width', view.width)
+ .attr('height', view.height)
+ .append('g')
+ .attr('transform', config.force.translate());
+// .attr('id', 'zoomable')
+// .call(d3.behavior.zoom().on("zoom", zoomRedraw));
+
+ network.svg.append('svg:image')
+ .attr({
+ id: 'bg',
+ width: view.width,
+ height: view.height,
+ 'xlink:href': config.backgroundUrl
+ })
+ .style('visibility',
+ config.options.loadBackground ? 'visible' : 'hidden');
+
+// function zoomRedraw() {
+// d3.select("#zoomable").attr("transform",
+// "translate(" + d3.event.translate + ")"
+// + " scale(" + d3.event.scale + ")");
+// }
+
+ // 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() {
+//
+// });
+
+
+ // TODO: move drag behavior into separate method.
+ // == define node 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;
+
+ // once we've finished moving, pin the node in position,
+ // if it is a device (not a host)
+ if (d.class === 'device') {
+ d.fixed = true;
+ d3.select(this).classed('fixed', true)
+ }
+ });
+
+ $('#view').on('click', function(e) {
+ if (!$(e.target).closest('.node').length) {
+ deselectObject();
+ }
+ });
+
+ // ...............................................................
+
+ // add links to the display
+ network.link = network.svg.append('g').attr('id', 'links')
+ .selectAll('.link')
+ .data(network.force.links(), function(d) {return d.id})
+ .enter().append('line')
+ .attr('class', function(d) {return 'link ' + d.class});
+
+ network.linkSrcPort = network.svg.append('g')
+ .attr({
+ id: 'srcPorts',
+ class: 'portLayer'
+ });
+ network.linkTgtPort = network.svg.append('g')
+ .attr({
+ id: 'tgtPorts',
+ class: 'portLayer'
+ });
+
+ var portVis = portLabelsOn ? 'visible' : 'hidden',
+ pw = config.labels.port.width,
+ ph = config.labels.port.height;
+
+ network.link.filter('.infra').each(function(d) {
+ var srcType = d.source.type === 'roadm' ? 'optPort' : 'pktPort',
+ tgtType = d.target.type === 'roadm' ? 'optPort' : 'pktPort';
+
+ if (d.source.type)
+
+ network.linkSrcPort.append('rect').attr({
+ id: 'srcPort-' + safeId(d.id),
+ class: 'port ' + srcType,
+ width: pw,
+ height: ph,
+ rx: 4,
+ ry: 4
+ }).style('visibility', portVis);
+
+ network.linkTgtPort.append('rect').attr({
+ id: 'tgtPort-' + safeId(d.id),
+ class: 'port ' + tgtType,
+ width: pw,
+ height: ph,
+ rx: 4,
+ ry: 4
+ }).style('visibility', portVis);
+
+ network.linkSrcPort.append('text').attr({
+ id: 'srcText-' + safeId(d.id),
+ class: 'portText ' + srcType
+ }).text(d.srcPort)
+ .style('visibility', portVis);
+
+ network.linkTgtPort.append('text').attr({
+ id: 'tgtText-' + safeId(d.id),
+ class: 'portText ' + tgtType
+ }).text(d.tgtPort)
+ .style('visibility', portVis);
+ });
+
+ // ...............................................................
+
+ // add nodes to the display
+ network.node = network.svg.selectAll('.node')
+ .data(network.force.nodes(), function(d) {return d.id})
+ .enter().append('g')
+ .attr('class', function(d) {
+ var cls = 'node ' + d.class;
+ if (d.type) {
+ cls += ' ' + d.type;
+ }
+ return cls;
+ })
+ .attr('transform', function(d) {
+ return translate(d.x, d.y);
+ })
+ .call(network.drag)
+ .on('mouseover', function(d) {
+ // TODO: show tooltip
+ if (network.mouseoutTimeout) {
+ clearTimeout(network.mouseoutTimeout);
+ network.mouseoutTimeout = null;
+ }
+ hoverObject(d);
+ })
+ .on('mouseout', function(d) {
+ // TODO: hide tooltip
+ if (network.mouseoutTimeout) {
+ clearTimeout(network.mouseoutTimeout);
+ network.mouseoutTimeout = null;
+ }
+ network.mouseoutTimeout = setTimeout(function() {
+ hoverObject(null);
+ }, config.mouseOutTimerDelayMs);
+ });
+
+
+ // deal with device nodes first
+ network.nodeRect = network.node.filter('.device')
+ .append('rect')
+ .attr({
+ rx: 5,
+ ry: 5,
+ width: 100,
+ height: 12
+ });
+ // note that width/height are adjusted to fit the label text
+ // then padded, and space made for the icon.
+
+ network.node.filter('.device').each(function(d) {
+ var node = d3.select(this),
+ icon = iconUrl(d);
+
+ node.append('text')
+ // TODO: add label cycle behavior
+ .text(d.id)
+ .attr('dy', '1.1em');
+
+ if (icon) {
+ var cfg = config.icons;
+ node.append('svg:image')
+ .attr({
+ width: cfg.w,
+ height: cfg.h,
+ 'xlink:href': icon
+ });
+ // note, icon relative positioning (x,y) is done after we have
+ // adjusted the bounds of the rectangle...
+ }
+
+ // debug function to show the modelled x,y coordinates of nodes...
+ if (debug('showNodeXY')) {
+ node.select('rect').attr('fill-opacity', 0.5);
+ node.append('circle')
+ .attr({
+ class: 'debug',
+ cx: 0,
+ cy: 0,
+ r: '3px'
+ });
+ }
+ });
+
+ // now process host nodes
+ network.nodeCircle = network.node.filter('.host')
+ .append('circle')
+ .attr({
+ r: config.hostRadius
+ });
+
+ network.node.filter('.host').each(function(d) {
+ var node = d3.select(this),
+ icon = iconUrl(d);
+
+ // debug function to show the modelled x,y coordinates of nodes...
+ if (debug('showNodeXY')) {
+ node.select('circle').attr('fill-opacity', 0.5);
+ node.append('circle')
+ .attr({
+ class: 'debug',
+ cx: 0,
+ cy: 0,
+ r: '3px'
+ });
+ }
+ });
+
+ // this function is scheduled to happen soon after the given thread ends
+ setTimeout(function() {
+ var lab = config.labels,
+ portGap = lab.port.gap,
+ midW = portGap + lab.port.width/ 2,
+ midH = portGap + lab.port.height / 2;
+
+ // post process the device nodes, to pad their size to fit the
+ // label text and attach the icon to the right location.
+ network.node.filter('.device').each(function(d) {
+ // for every node, recompute size, padding, etc. so text fits
+ var node = d3.select(this),
+ text = node.select('text'),
+ box = adjustRectToFitText(node);
+
+ // now make the computed adjustment
+ node.select('rect')
+ .attr(box);
+
+ node.select('image')
+ .attr('x', box.x + config.icons.xoff)
+ .attr('y', box.y + config.icons.yoff);
+
+ var bounds = boundsFromBox(box),
+ portBounds = {
+ x1: bounds.x1 - midW,
+ x2: bounds.x2 + midW,
+ y1: bounds.y1 - midH,
+ y2: bounds.y2 + midH
+ };
+
+ // todo: clean up extent and edge work..
+ d.extent = {
+ left: bounds.x1 - lab.marginLR,
+ right: bounds.x2 + lab.marginLR,
+ top: bounds.y1 - lab.marginTB,
+ bottom: bounds.y2 + lab.marginTB
+ };
+
+ d.edge = {
+ left : new geo.LineSegment(bounds.x1, bounds.y1, bounds.x1, bounds.y2),
+ right : new geo.LineSegment(bounds.x2, bounds.y1, bounds.x2, bounds.y2),
+ top : new geo.LineSegment(bounds.x1, bounds.y1, bounds.x2, bounds.y1),
+ bottom : new geo.LineSegment(bounds.x1, bounds.y2, bounds.x2, bounds.y2)
+ };
+
+ d.portEdge = {
+ left : new geo.LineSegment(
+ portBounds.x1, portBounds.y1, portBounds.x1, portBounds.y2
+ ),
+ right : new geo.LineSegment(
+ portBounds.x2, portBounds.y1, portBounds.x2, portBounds.y2
+ ),
+ top : new geo.LineSegment(
+ portBounds.x1, portBounds.y1, portBounds.x2, portBounds.y1
+ ),
+ bottom : new geo.LineSegment(
+ portBounds.x1, portBounds.y2, portBounds.x2, portBounds.y2
+ )
+ };
+
+ });
+
+ network.numTicks = 0;
+ network.preventCollisions = false;
+ network.force.start();
+ for (var i = 0; i < config.force.ticksWithoutCollisions; i++) {
+ network.force.tick();
+ }
+ network.preventCollisions = true;
+ $('#view').css('visibility', 'visible');
+ });
+
+
+ // returns the newly computed bounding box of the rectangle
+ function adjustRectToFitText(n) {
+ var text = n.select('text'),
+ box = text.node().getBBox(),
+ lab = config.labels;
+
+ // not sure why n.data() returns an array of 1 element...
+ var data = n.data()[0];
+
+ text.attr('text-anchor', 'middle')
+ .attr('y', '-0.8em')
+ .attr('x', lab.imgPad/2)
+ ;
+
+ // translate the bbox so that it is centered on [x,y]
+ box.x = -box.width / 2;
+ box.y = -box.height / 2;
+
+ // add padding
+ box.x -= (lab.padLR + lab.imgPad/2);
+ box.width += lab.padLR * 2 + lab.imgPad;
+ box.y -= lab.padTB;
+ box.height += lab.padTB * 2;
+
+ return box;
+ }
+
+ function boundsFromBox(box) {
+ return {
+ x1: box.x,
+ y1: box.y,
+ x2: box.x + box.width,
+ y2: box.y + box.height
+ };
+ }
+
+ }
+
+ function iconUrl(d) {
+ return 'img/' + d.type + '.png';
+// return config.iconUrl[d.icon];
+ }
+
+ function translate(x, y) {
+ return 'translate(' + x + ',' + y + ')';
+ }
+
+ // prevents collisions amongst device nodes
+ function preventCollisions() {
+ var quadtree = d3.geom.quadtree(network.nodes),
+ hrad = config.hostRadius;
+
+ network.nodes.forEach(function(n) {
+ var nx1, nx2, ny1, ny2;
+
+ if (n.class === 'device') {
+ nx1 = n.x + n.extent.left;
+ nx2 = n.x + n.extent.right;
+ ny1 = n.y + n.extent.top;
+ ny2 = n.y + n.extent.bottom;
+
+ } else {
+ nx1 = n.x - hrad;
+ nx2 = n.x + hrad;
+ ny1 = n.y - hrad;
+ ny2 = n.y + hrad;
+ }
+
+ quadtree.visit(function(quad, x1, y1, x2, y2) {
+ if (quad.point && quad.point !== n) {
+ // check if the rectangles/circles intersect
+ var p = quad.point,
+ px1, px2, py1, py2, ix;
+
+ if (p.class === 'device') {
+ px1 = p.x + p.extent.left;
+ px2 = p.x + p.extent.right;
+ py1 = p.y + p.extent.top;
+ py2 = p.y + p.extent.bottom;
+
+ } else {
+ px1 = p.x - hrad;
+ px2 = p.x + hrad;
+ py1 = p.y - hrad;
+ py2 = p.y + hrad;
+ }
+
+ ix = (px1 <= nx2 && nx1 <= px2 && py1 <= ny2 && ny1 <= py2);
+
+ if (ix) {
+ var xa1 = nx2 - px1, // shift n left , p right
+ xa2 = px2 - nx1, // shift n right, p left
+ ya1 = ny2 - py1, // shift n up , p down
+ ya2 = py2 - ny1, // shift n down , p up
+ adj = Math.min(xa1, xa2, ya1, ya2);
+
+ if (adj == xa1) {
+ n.x -= adj / 2;
+ p.x += adj / 2;
+ } else if (adj == xa2) {
+ n.x += adj / 2;
+ p.x -= adj / 2;
+ } else if (adj == ya1) {
+ n.y -= adj / 2;
+ p.y += adj / 2;
+ } else if (adj == ya2) {
+ n.y += adj / 2;
+ p.y -= adj / 2;
+ }
+ }
+ return ix;
+ }
+ });
+
+ });
+ }
+
+ function tick(e) {
+ network.numTicks++;
+
+ if (config.options.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));
+ }
+ });
+ }
+
+ if (config.options.collisionPrevention && network.preventCollisions) {
+ preventCollisions();
+ }
+
+ var portHalfW = config.labels.port.width / 2,
+ portHalfH = config.labels.port.height / 2;
+
+ // clip visualization of links at bounds of nodes...
+ network.link.each(function(d) {
+ var xs = d.source.x,
+ ys = d.source.y,
+ xt = d.target.x,
+ yt = d.target.y,
+ line = new geo.LineSegment(xs, ys, xt, yt),
+ e, ix,
+ exs, eys, ext, eyt,
+ pxs, pys, pxt, pyt;
+
+ if (d.class === 'host') {
+ // no adjustment for source end of link, since hosts are dots
+ exs = xs;
+ eys = ys;
+
+ } else {
+ for (e in d.source.edge) {
+ ix = line.intersect(d.source.edge[e].offset(xs, ys));
+ if (ix.in1 && ix.in2) {
+ exs = ix.x;
+ eys = ix.y;
+
+ // also pick off the port label intersection
+ ix = line.intersect(d.source.portEdge[e].offset(xs, ys));
+ pxs = ix.x;
+ pys = ix.y;
+ break;
+ }
+ }
+ }
+
+ for (e in d.target.edge) {
+ ix = line.intersect(d.target.edge[e].offset(xt, yt));
+ if (ix.in1 && ix.in2) {
+ ext = ix.x;
+ eyt = ix.y;
+
+ // also pick off the port label intersection
+ ix = line.intersect(d.target.portEdge[e].offset(xt, yt));
+ pxt = ix.x;
+ pyt = ix.y;
+ break;
+ }
+ }
+
+ // adjust the endpoints of the link's line to match rectangles
+ var sid = safeId(d.id);
+ d3.select(this)
+ .attr('x1', exs)
+ .attr('y1', eys)
+ .attr('x2', ext)
+ .attr('y2', eyt);
+
+ d3.select('#srcPort-' + sid)
+ .attr('x', pxs - portHalfW)
+ .attr('y', pys - portHalfH);
+
+ d3.select('#tgtPort-' + sid)
+ .attr('x', pxt - portHalfW)
+ .attr('y', pyt - portHalfH);
+
+ // TODO: fit label rect to size of port number.
+ d3.select('#srcText-' + sid)
+ .attr('x', pxs - 5)
+ .attr('y', pys + 3);
+
+ d3.select('#tgtText-' + sid)
+ .attr('x', pxt - 5)
+ .attr('y', pyt + 3);
+
+ });
+
+ // position each node by translating the node (group) by x,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 findNodeFromData(d) {
+ var el = null;
+ network.node.filter('.' + d.class).each(function(n) {
+ if (n.id === d.id) {
+ el = d3.select(this);
+ }
+ });
+ return el;
+ }
+
+ 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();
+ flyinPane(null);
+ return;
+ }
+ deselectObject(false);
+
+ selected = {
+ obj : obj,
+ el : el
+ };
+
+ node.classed('selected', true);
+ flyinPane(obj);
+ }
+
+ 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 = {};
+ flyinPane(null);
+ }
+
+ function flyinPane(obj) {
+ var pane = d3.select('#flyout'),
+ url;
+
+ if (obj) {
+ // go get details of the selected object from the server...
+ url = detailJsonUrl(obj.id);
+ d3.json(url, function (err, data) {
+ if (err) {
+ alert('Oops! Error reading JSON...\n\n' +
+ 'URL: ' + url + '\n\n' +
+ 'Error: ' + err.message);
+ return;
+ }
+// console.log("JSON data... " + url);
+// console.log(data);
+
+ displayDetails(data, pane);
+ });
+
+ } else {
+ // hide pane
+ pane.transition().duration(750)
+ .style('right', '-320px')
+ .style('opacity', 0.0);
+ }
+ }
+
+ function displayDetails(data, pane) {
+ $('#flyout').empty();
+
+ var title = pane.append("h2"),
+ table = pane.append("table"),
+ tbody = table.append("tbody");
+
+ $('<img src="img/' + data.type + '.png">').appendTo(title);
+ $('<span>').attr('class', 'icon').text(data.id).appendTo(title);
+
+
+ // TODO: consider using d3 data bind to TR/TD
+
+ data.propOrder.forEach(function(p) {
+ if (p === '-') {
+ addSep(tbody);
+ } else {
+ addProp(tbody, p, data.props[p]);
+ }
+ });
+
+ function addSep(tbody) {
+ var tr = tbody.append('tr');
+ $('<hr>').appendTo(tr.append('td').attr('colspan', 2));
+ }
+
+ function addProp(tbody, label, value) {
+ var tr = tbody.append('tr');
+
+ tr.append('td')
+ .attr('class', 'label')
+ .text(label + ' :');
+
+ tr.append('td')
+ .attr('class', 'value')
+ .text(value);
+ }
+
+ // show pane
+ pane.transition().duration(750)
+ .style('right', '20px')
+ .style('opacity', 1.0);
+ }
+
+ 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 hoverObject(obj) {
+ if (obj) {
+ hovered = obj;
+ } else {
+ if (hovered) {
+ hovered = null;
+ }
+ }
+ }
+
+
+ function resize() {
+ 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));
+