*/
(function() {
- /*global Dygraph:false */
- "use strict";
- var DefaultFractionHandler = Dygraph.DataHandler();
- DefaultFractionHandler.prototype = Dygraph.DataHandlers.createHandler("default");
- Dygraph.DataHandlers.registerHandler("default-fractions", DefaultFractionHandler);
+/*global Dygraph:false */
+"use strict";
- DefaultFractionHandler.prototype.extractSeries = function(rawData, i, options) {
- // TODO(danvk): pre-allocate series here.
- var series = [];
- var x, y, point, num, den, value;
- var mult = 100.0;
- var logScale = options.get('logscale');
- for ( var j = 0; j < rawData.length; j++) {
- x = rawData[j][0];
- point = rawData[j][i];
- if (logScale && point !== null) {
- // On the log scale, points less than zero do not exist.
- // This will create a gap in the chart.
- if (point[0] <= 0 || point[1] <= 0) {
- point = null;
- }
+Dygraph.DataHandlers.DefaultFractionHandler = Dygraph.DataHandler();
+var DefaultFractionHandler = Dygraph.DataHandlers.DefaultFractionHandler;
+DefaultFractionHandler.prototype = new Dygraph.DataHandlers.DefaultHandler();
+
+DefaultFractionHandler.prototype.extractSeries = function(rawData, i, options) {
+ // TODO(danvk): pre-allocate series here.
+ var series = [];
+ var x, y, point, num, den, value;
+ var mult = 100.0;
+ var logScale = options.get('logscale');
+ for ( var j = 0; j < rawData.length; j++) {
+ x = rawData[j][0];
+ point = rawData[j][i];
+ if (logScale && point !== null) {
+ // On the log scale, points less than zero do not exist.
+ // This will create a gap in the chart.
+ if (point[0] <= 0 || point[1] <= 0) {
+ point = null;
}
- // Extract to the unified data format.
- if (point !== null) {
- num = point[0];
- den = point[1];
- if (num !== null && !isNaN(num)) {
- value = den ? num / den : 0.0;
- y = mult * value;
- // preserve original values in extras for further filtering
- series.push([ x, y, [ num, den ] ]);
- } else {
- series.push([ x, num, [ num, den ] ]);
- }
+ }
+ // Extract to the unified data format.
+ if (point !== null) {
+ num = point[0];
+ den = point[1];
+ if (num !== null && !isNaN(num)) {
+ value = den ? num / den : 0.0;
+ y = mult * value;
+ // preserve original values in extras for further filtering
+ series.push([ x, y, [ num, den ] ]);
} else {
- series.push([ x, null, [ null, null ] ]);
+ series.push([ x, num, [ num, den ] ]);
}
+ } else {
+ series.push([ x, null, [ null, null ] ]);
}
- return series;
- };
-
- DefaultFractionHandler.prototype.rollingAverage = function(originalData, rollPeriod,
- options) {
- rollPeriod = Math.min(rollPeriod, originalData.length);
- var rollingData = [];
+ }
+ return series;
+};
- var i;
- var num = 0;
- var den = 0; // numerator/denominator
- var mult = 100.0;
- for (i = 0; i < originalData.length; i++) {
- num += originalData[i][2][0];
- den += originalData[i][2][1];
- if (i - rollPeriod >= 0) {
- num -= originalData[i - rollPeriod][2][0];
- den -= originalData[i - rollPeriod][2][1];
- }
+DefaultFractionHandler.prototype.rollingAverage = function(originalData, rollPeriod,
+ options) {
+ rollPeriod = Math.min(rollPeriod, originalData.length);
+ var rollingData = [];
- var date = originalData[i][0];
- var value = den ? num / den : 0.0;
- rollingData[i] = [ date, mult * value ];
+ var i;
+ var num = 0;
+ var den = 0; // numerator/denominator
+ var mult = 100.0;
+ for (i = 0; i < originalData.length; i++) {
+ num += originalData[i][2][0];
+ den += originalData[i][2][1];
+ if (i - rollPeriod >= 0) {
+ num -= originalData[i - rollPeriod][2][0];
+ den -= originalData[i - rollPeriod][2][1];
}
- return rollingData;
- };
+ var date = originalData[i][0];
+ var value = den ? num / den : 0.0;
+ rollingData[i] = [ date, mult * value ];
+ }
+
+ return rollingData;
+};
+
})();