121 lines
3.1 KiB
JavaScript
121 lines
3.1 KiB
JavaScript
define(['helper'], function (helper) {
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var self = {};
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var ctx;
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var width;
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var height;
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var transform;
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var highlight;
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var NODE_RADIUS = 15;
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var LINE_RADIUS = 12;
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function drawDetailNode(d) {
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if (transform.k > 1 && d.o.is_online) {
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helper.positionClients(ctx, d, Math.PI, d.o, 15);
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ctx.beginPath();
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var name = d.o.node_id;
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if (d.o) {
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name = d.o.hostname;
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}
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ctx.textAlign = 'center';
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ctx.fillStyle = config.forceGraph.labelColor;
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ctx.fillText(name, d.x, d.y + 20);
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}
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}
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function drawHighlightNode(d) {
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if (highlight && highlight.type === 'node' && d.o.node_id === highlight.id) {
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ctx.arc(d.x, d.y, NODE_RADIUS * 1.5, 0, 2 * Math.PI);
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ctx.fillStyle = config.forceGraph.highlightColor;
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ctx.fill();
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ctx.beginPath();
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}
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}
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function drawHighlightLink(d, to) {
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if (highlight && highlight.type === 'link' && d.o.id === highlight.id) {
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ctx.lineTo(to[0], to[1]);
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ctx.strokeStyle = config.forceGraph.highlightColor;
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ctx.lineWidth = LINE_RADIUS * 2;
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ctx.lineCap = 'round';
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ctx.stroke();
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to = [d.source.x, d.source.y];
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}
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return to;
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}
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self.drawNode = function drawNode(d) {
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if (d.x < transform.invertX(0) || d.y < transform.invertY(0) || transform.invertX(width) < d.x || transform.invertY(height) < d.y) {
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return;
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}
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ctx.beginPath();
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drawHighlightNode(d);
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if (d.o.is_online) {
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ctx.arc(d.x, d.y, 8, 0, 2 * Math.PI);
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if (d.o.is_gateway) {
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ctx.rect(d.x - 9, d.y - 9, 18, 18);
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}
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ctx.fillStyle = config.forceGraph.nodeColor;
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} else {
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ctx.arc(d.x, d.y, 6, 0, 2 * Math.PI);
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ctx.fillStyle = config.forceGraph.nodeOfflineColor;
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}
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ctx.fill();
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drawDetailNode(d);
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};
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self.drawLink = function drawLink(d) {
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var zero = transform.invert([0, 0]);
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var area = transform.invert([width, height]);
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if (d.source.x < zero[0] && d.target.x < zero[0] || d.source.y < zero[1] && d.target.y < zero[1] ||
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d.source.x > area[0] && d.target.x > area[0] || d.source.y > area[1] && d.target.y > area[1]) {
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return;
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}
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ctx.beginPath();
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ctx.moveTo(d.source.x, d.source.y);
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var to = [d.target.x, d.target.y];
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to = drawHighlightLink(d, to);
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var grd = ctx.createLinearGradient(d.source.x, d.source.y, d.target.x, d.target.y);
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grd.addColorStop(0.45, d.color);
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grd.addColorStop(0.55, d.color_to);
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ctx.lineTo(to[0], to[1]);
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ctx.strokeStyle = grd;
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if (d.o.type.indexOf('vpn') === 0) {
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ctx.globalAlpha = 0.2;
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ctx.lineWidth = 1.5;
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} else {
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ctx.globalAlpha = 0.8;
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ctx.lineWidth = 2.5;
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}
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ctx.stroke();
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ctx.globalAlpha = 1;
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};
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self.setCTX = function setCTX(newValue) {
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ctx = newValue;
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};
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self.setHighlight = function setHighlight(newValue) {
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highlight = newValue;
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};
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self.setTransform = function setTransform(newValue) {
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transform = newValue;
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};
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self.setMaxArea = function setMaxArea(newWidth, newHeight) {
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width = newWidth;
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height = newHeight;
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};
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return self;
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});
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