From: Dan Vanderkam Date: Sat, 24 Nov 2012 03:16:34 +0000 (-0500) Subject: dygraph-tickers builds clean X-Git-Tag: v1.0.0~164 X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=b2867ee146232090701daafb9ec6b65a99841d7e;p=dygraphs.git dygraph-tickers builds clean --- diff --git a/closure-todo.txt b/closure-todo.txt index 8244196..3689460 100644 --- a/closure-todo.txt +++ b/closure-todo.txt @@ -5,8 +5,8 @@ Core: - dygraph-layout.js - dygraph-options.js - dygraph-range-selector.js -- dygraph-tickers.js - dygraph.js +x dygraph-tickers.js x dygraph-options-reference.js x dygraph-utils.js x dashed-canvas.js diff --git a/dygraph-externs.js b/dygraph-externs.js index 71515cd..dc05172 100644 --- a/dygraph-externs.js +++ b/dygraph-externs.js @@ -32,3 +32,16 @@ function Dygraph() {} /** @type {Array.<{elem:Element,type:string,fn:function(!Event):(boolean|undefined|null)}>} */ Dygraph.prototype.registeredEvents_; + +/** @type {Object} */ +Dygraph.DEFAULT_ATTRS; + +/** + * @typedef {function( + * (number|Date), + * number, + * function(string):*, + * (Dygraph|undefined) + * ):string} + */ +Dygraph.AxisLabelFormatter; diff --git a/dygraph-tickers.js b/dygraph-tickers.js index dada4cd..1395d23 100644 --- a/dygraph-tickers.js +++ b/dygraph-tickers.js @@ -62,6 +62,22 @@ /*global Dygraph:false */ "use strict"; +/** @typedef {Array.<{v:number, label:string, label_v:(string|undefined)}>} */ +Dygraph.TickList; + +/** @typedef {function( + * number, + * number, + * number, + * function(string):*, + * Dygraph=, + * Array.= + * ): Dygraph.TickList} + */ +Dygraph.Ticker; + + +/** @type {Dygraph.Ticker} */ Dygraph.numericLinearTicks = function(a, b, pixels, opts, dygraph, vals) { var nonLogscaleOpts = function(opt) { if (opt === 'logscale') return false; @@ -70,9 +86,11 @@ Dygraph.numericLinearTicks = function(a, b, pixels, opts, dygraph, vals) { return Dygraph.numericTicks(a, b, pixels, nonLogscaleOpts, dygraph, vals); }; +/** @type {Dygraph.Ticker} */ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { // This masks some numeric issues in older versions of Firefox, // where 1.0/Math.pow(10,2) != Math.pow(10,-2). + /** @type {function(number,number):number} */ var pow = function(base, exp) { if (exp < 0) { return 1.0 / Math.pow(base, -exp); @@ -80,7 +98,7 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { return Math.pow(base, exp); }; - var pixels_per_tick = opts('pixelsPerLabel'); + var pixels_per_tick = /** @type{number} */(opts('pixelsPerLabel')); var ticks = []; var i, j, tickV, nTicks; if (vals) { @@ -175,7 +193,7 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { } // Add formatted labels to the ticks. - var k; + var k = 1; var k_labels = []; var m_labels = []; if (opts("labelsKMB")) { @@ -189,9 +207,10 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { m_labels = [ "m", "u", "n", "p", "f", "a", "z", "y" ]; } - var formatter = opts('axisLabelFormatter'); + var formatter = /**@type{Dygraph.AxisLabelFormatter}*/(opts('axisLabelFormatter')); // Add labels to the ticks. + var digitsAfterDecimal = /** @type{number} */(opts('digitsAfterDecimal')); for (i = 0; i < ticks.length; i++) { if (ticks[i].label !== undefined) continue; // Use current label. tickV = ticks[i].v; @@ -204,8 +223,7 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { var n = pow(k, k_labels.length); for (j = k_labels.length - 1; j >= 0; j--, n /= k) { if (absTickV >= n) { - label = Dygraph.round_(tickV / n, opts('digitsAfterDecimal')) + - k_labels[j]; + label = Dygraph.round_(tickV / n, digitsAfterDecimal) + k_labels[j]; break; } } @@ -216,7 +234,7 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { if(tickV.split('e-')[1] % 3 > 0) { label = Dygraph.round_(tickV.split('e-')[0] / pow(10,(tickV.split('e-')[1] % 3)), - opts('digitsAfterDecimal')); + digitsAfterDecimal); } else { label = Number(tickV.split('e-')[0]).toFixed(2); } @@ -230,6 +248,7 @@ Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) { }; +/** @type {Dygraph.Ticker} */ Dygraph.dateTicker = function(a, b, pixels, opts, dygraph, vals) { var chosen = Dygraph.pickDateTickGranularity(a, b, pixels, opts); @@ -242,6 +261,7 @@ Dygraph.dateTicker = function(a, b, pixels, opts, dygraph, vals) { }; // Time granularity enumeration +// TODO(danvk): make this an @enum Dygraph.SECONDLY = 0; Dygraph.TWO_SECONDLY = 1; Dygraph.FIVE_SECONDLY = 2; @@ -265,6 +285,7 @@ Dygraph.DECADAL = 19; Dygraph.CENTENNIAL = 20; Dygraph.NUM_GRANULARITIES = 21; +/** @type {Array.} */ Dygraph.SHORT_SPACINGS = []; Dygraph.SHORT_SPACINGS[Dygraph.SECONDLY] = 1000 * 1; Dygraph.SHORT_SPACINGS[Dygraph.TWO_SECONDLY] = 1000 * 2; @@ -283,11 +304,11 @@ Dygraph.SHORT_SPACINGS[Dygraph.DAILY] = 1000 * 86400; Dygraph.SHORT_SPACINGS[Dygraph.WEEKLY] = 1000 * 604800; /** - * @private * This is a list of human-friendly values at which to show tick marks on a log * scale. It is k * 10^n, where k=1..9 and n=-39..+39, so: * ..., 1, 2, 3, 4, 5, ..., 9, 10, 20, 30, ..., 90, 100, 200, 300, ... * NOTE: this assumes that Dygraph.LOG_SCALE = 10. + * @type {Array.} */ Dygraph.PREFERRED_LOG_TICK_VALUES = function() { var vals = []; @@ -304,15 +325,16 @@ Dygraph.PREFERRED_LOG_TICK_VALUES = function() { /** * Determine the correct granularity of ticks on a date axis. * - * @param {Number} a Left edge of the chart (ms) - * @param {Number} b Right edge of the chart (ms) - * @param {Number} pixels Size of the chart in the relevant dimension (width). - * @param {Function} opts Function mapping from option name -> value. - * @return {Number} The appropriate axis granularity for this chart. See the - * enumeration of possible values in dygraph-tickers.js. + * @param {number} a Left edge of the chart (ms) + * @param {number} b Right edge of the chart (ms) + * @param {number} pixels Size of the chart in the relevant dimension (width). + * @param {function(string):*} opts Function mapping from option name -> + * value. + * @return {number} The appropriate axis granularity for this chart. See the + * enumeration of possible values in dygraph-tickers.js. */ Dygraph.pickDateTickGranularity = function(a, b, pixels, opts) { - var pixels_per_tick = opts('pixelsPerLabel'); + var pixels_per_tick = /** @type{number} */(opts('pixelsPerLabel')); for (var i = 0; i < Dygraph.NUM_GRANULARITIES; i++) { var num_ticks = Dygraph.numDateTicks(a, b, i); if (pixels / num_ticks >= pixels_per_tick) { @@ -322,6 +344,12 @@ Dygraph.pickDateTickGranularity = function(a, b, pixels, opts) { return -1; }; +/** + * @param {number} start_time + * @param {number} end_time + * @param {number} granularity (one of the granularities enumerated above) + * @return {number} Number of ticks that would result. + */ Dygraph.numDateTicks = function(start_time, end_time, granularity) { if (granularity < Dygraph.MONTHLY) { // Generate one tick mark for every fixed interval of time. @@ -342,8 +370,17 @@ Dygraph.numDateTicks = function(start_time, end_time, granularity) { } }; +/** + * @param {number} start_time + * @param {number} end_time + * @param {number} granularity (one of the granularities enumerated above) + * @param {function(string):*} opts Function mapping from option name -> value. + * @param {Dygraph=} dg + * @return {!Dygraph.TickList} + */ Dygraph.getDateAxis = function(start_time, end_time, granularity, opts, dg) { - var formatter = opts("axisLabelFormatter"); + var formatter = /** @type{Dygraph.AxisLabelFormatter} */( + opts("axisLabelFormatter")); var ticks = []; var t; @@ -432,6 +469,6 @@ Dygraph.getDateAxis = function(start_time, end_time, granularity, opts, dg) { }; // These are set here so that this file can be included after dygraph.js. -Dygraph.DEFAULT_ATTRS.axes.x.ticker = Dygraph.dateTicker; -Dygraph.DEFAULT_ATTRS.axes.y.ticker = Dygraph.numericTicks; -Dygraph.DEFAULT_ATTRS.axes.y2.ticker = Dygraph.numericTicks; +Dygraph.DEFAULT_ATTRS['axes']['x']['ticker'] = Dygraph.dateTicker; +Dygraph.DEFAULT_ATTRS['axes']['y']['ticker'] = Dygraph.numericTicks; +Dygraph.DEFAULT_ATTRS['axes']['y2']['ticker'] = Dygraph.numericTicks;