Merge pull request #565 from danvk/gulp

[dygraphs.git] / datahandler / default.js

diff --git a/datahandler/default.js b/datahandler/default.js
deleted file mode 100644 (file)
index e42b92b..0000000
--- a/datahandler/default.js
+++ /dev/null
@@ -1,100 +0,0 @@
-/**
- * @license
- * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
- * MIT-licensed (http://opensource.org/licenses/MIT)
- */
-
-/**
- * @fileoverview DataHandler default implementation used for simple line charts.
- * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
- */
-
-(function() {
-
-/*global Dygraph:false */
-"use strict";
-
-/**
- * @constructor
- * @extends Dygraph.DataHandler
- */
-Dygraph.DataHandlers.DefaultHandler = function() {
-};
-
-var DefaultHandler = Dygraph.DataHandlers.DefaultHandler;
-DefaultHandler.prototype = new Dygraph.DataHandler();
-
-/** @inheritDoc */
-DefaultHandler.prototype.extractSeries = function(rawData, i, options) {
-  // TODO(danvk): pre-allocate series here.
-  var series = [];
-  var logScale = options.get('logscale');
-  for ( var j = 0; j < rawData.length; j++) {
-    var x = rawData[j][0];
-    var point = rawData[j][i];
-    if (logScale) {
-      // On the log scale, points less than zero do not exist.
-      // This will create a gap in the chart.
-      if (point <= 0) {
-        point = null;
-      }
-    }
-    series.push([ x, point ]);
-  }
-  return series;
-};
-
-/** @inheritDoc */
-DefaultHandler.prototype.rollingAverage = function(originalData, rollPeriod,
-    options) {
-  rollPeriod = Math.min(rollPeriod, originalData.length);
-  var rollingData = [];
-
-  var i, j, y, sum, num_ok;
-  // Calculate the rolling average for the first rollPeriod - 1 points
-  // where
-  // there is not enough data to roll over the full number of points
-  if (rollPeriod == 1) {
-    return originalData;
-  }
-  for (i = 0; i < originalData.length; i++) {
-    sum = 0;
-    num_ok = 0;
-    for (j = Math.max(0, i - rollPeriod + 1); j < i + 1; j++) {
-      y = originalData[j][1];
-      if (y === null || isNaN(y))
-        continue;
-      num_ok++;
-      sum += originalData[j][1];
-    }
-    if (num_ok) {
-      rollingData[i] = [ originalData[i][0], sum / num_ok ];
-    } else {
-      rollingData[i] = [ originalData[i][0], null ];
-    }
-  }
-
-  return rollingData;
-};
-
-/** @inheritDoc */
-DefaultHandler.prototype.getExtremeYValues = function(series, dateWindow,
-    options) {
-  var minY = null, maxY = null, y;
-  var firstIdx = 0, lastIdx = series.length - 1;
-
-  for ( var j = firstIdx; j <= lastIdx; j++) {
-    y = series[j][1];
-    if (y === null || isNaN(y))
-      continue;
-    if (maxY === null || y > maxY) {
-      maxY = y;
-    }
-    if (minY === null || y < minY) {
-      minY = y;
-    }
-  }
-  return [ minY, maxY ];
-};
-
-})();