94 lines
2.2 KiB
JavaScript
94 lines
2.2 KiB
JavaScript
// graph takes dspeed and uspeed, it queries them every second and draws
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// the last 20 secs, it also takes draw as an optional attribute and only
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// draws the graph when it is true, if not given then graph is always drawn
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angular
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.module('webui.directives.dgraph', ['webui.filters.bytes', 'webui.services.deps'])
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.directive('dgraph', ['$', '$filter', '$parse', function($, filter, parse) {
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return function(scope, elem, attrs) {
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var canDraw = true;
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var graphSize = 20
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, dspeed = 0, uspeed = 0
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, dconf = {
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label: "Download Speed",
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data: [],
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color: "#ff0000",
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lines: { show: true }
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}
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, uconf = {
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label: "Upload Speed",
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data: [],
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color: "#00ff00",
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lines: { show: true }
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},
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start = new Date
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;
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// hack for the null height for flot elem
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elem.height(elem.width() / 2);
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var graph = $.plot(elem, [dconf, uconf], {
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legend: { show: true },
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xaxis: {
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show: true
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},
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yaxis: {
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tickFormatter: function(val, axis) {
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return filter('bspeed')(val);
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}
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,
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min: 0
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}
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});
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var draw = function() {
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var width = elem.width();
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if (width == 0) return;
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elem.height(width / 2);
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graph.setData([dconf, uconf]);
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graph.resize();
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graph.setupGrid();
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graph.draw();
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};
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function update() {
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var cnt = ((new Date - start)/1000).toFixed(0);
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dconf.data.push([cnt, dspeed]);
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if (dconf.data.length > graphSize) dconf.data.shift();
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uconf.data.push([cnt, uspeed]);
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if (uconf.data.length > graphSize) uconf.data.shift();
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// if any parents is collapsable, then confirm if it isnt
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if (canDraw)
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draw();
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};
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scope.$watch(attrs.dspeed, function(val) {
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dspeed = val;
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});
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scope.$watch(attrs.useed, function(val) {
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uspeed = val;
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});
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if (attrs.draw) {
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scope.$watch(attrs.draw, function(val) {
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canDraw = val;
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});
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}
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var interval = setInterval(update, 1000);
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angular.element(window).bind('resize', draw);
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elem.bind('$destroy', function() {
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clearInterval(interval);
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});
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};
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}]);
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