75 lines
1.6 KiB
JavaScript
75 lines
1.6 KiB
JavaScript
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app.directive('dgraph', ['$', '$filter', function($, filter) {
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return function(scope, elem, attrs) {
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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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// jqplot doesnt draw graphs with no fixed height
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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 height = elem.height();
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if (height <= 0) return;
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elem.height(elem.width() / 2);
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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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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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scope.$watch(attrs.dspeed, function(val) {
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dspeed = val;
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});
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scope.$watch(attrs.useed, function(val) {
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uspeed = val;
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});
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var interval = setInterval(draw, 1000);
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elem.bind('$destroy', function() {
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clearInterval(interval);
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});
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};
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}]);
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