/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
* @fileoverview DygraphOptions is responsible for parsing and returning information about options.
*
* Still tightly coupled to Dygraphs, we could remove some of that, you know.
"use strict";
/*
- * Interesting member variables:
- * dygraph_ - the graph.
+ * Interesting member variables: (REMOVING THIS LIST AS I CLOSURIZE)
* global_ - global attributes (common among all graphs, AIUI)
* user - attributes set by the user
- * yAxes_ - array of axis index to { series : [ series names ] , options : { axis-specific options. }
- * xAxis_ - { options : { axis-specific options. }
* series_ - { seriesName -> { idx, yAxis, options }}
- * labels_ - used as mapping from index to series name.
*/
/**
* if labels are not yet available, since those drive details of the per-series
* and per-axis options.
*
- * @param {Dyraph} dygraph The chart to which these options belong.
+ * @param {Dygraph} dygraph The chart to which these options belong.
* @constructor
*/
var DygraphOptions = function(dygraph) {
+ /**
+ * The dygraph.
+ * @type {!Dygraph}
+ */
this.dygraph_ = dygraph;
+
+ /**
+ * Array of axis index to { series : [ series names ] , options : { axis-specific options. }
+ * @type {Array.<{series : Array.<string>, options : Object}>} @private
+ */
this.yAxes_ = [];
+
+ /**
+ * Contains x-axis specific options, which are stored in the options key.
+ * This matches the yAxes_ object structure (by being a dictionary with an
+ * options element) allowing for shared code.
+ * @type {options: Object} @private
+ */
this.xAxis_ = {};
this.series_ = {};
this.global_ = this.dygraph_.attrs_;
this.user_ = this.dygraph_.user_attrs_ || {};
+ /**
+ * A list of series in columnar order.
+ * @type {Array.<string>}
+ */
+ this.labels_ = [];
+
this.highlightSeries_ = this.get("highlightSeriesOpts") || {};
this.reparseSeries();
};
-/*
+/**
* Not optimal, but does the trick when you're only using two axes.
* If we move to more axes, this can just become a function.
+ *
+ * @type {Object.<number>}
+ * @private
*/
DygraphOptions.AXIS_STRING_MAPPINGS_ = {
'y' : 0,
'Y2' : 1
};
+/**
+ * @param {string|number} axis
+ * @private
+ */
DygraphOptions.axisToIndex_ = function(axis) {
if (typeof(axis) == "string") {
if (DygraphOptions.AXIS_STRING_MAPPINGS_.hasOwnProperty(axis)) {
}
throw "Dygraphs only supports two y-axes, indexed from 0-1.";
}
- if (typeof(axis) == "object") {
- throw "Using objects for axis specification " +
- "is not supported inside the 'series' option.";
- }
if (axis) {
throw "Unknown axis : " + axis;
}
/**
* Reparses options that are all related to series. This typically occurs when
- * options are either updated, or source data has been made avaialble.
+ * options are either updated, or source data has been made available.
*
* TODO(konigsberg): The method name is kind of weak; fix.
*/
return; // -- can't do more for now, will parse after getting the labels.
}
- this.labels = labels.slice(1);
+ this.labels_ = labels.slice(1);
this.yAxes_ = [ { series : [], options : {}} ]; // Always one axis at least.
this.xAxis_ = { options : {} };
if (oldStyleSeries) {
var axisId = 0; // 0-offset; there's always one.
// Go through once, add all the series, and for those with {} axis options, add a new axis.
- for (var idx = 0; idx < this.labels.length; idx++) {
- var seriesName = this.labels[idx];
+ for (var idx = 0; idx < this.labels_.length; idx++) {
+ var seriesName = this.labels_[idx];
var optionsForSeries = this.user_[seriesName] || {};
// Go through one more time and assign series to an axis defined by another
// series, e.g. { 'Y1: { axis: {} }, 'Y2': { axis: 'Y1' } }
- for (var idx = 0; idx < this.labels.length; idx++) {
- var seriesName = this.labels[idx];
+ for (var idx = 0; idx < this.labels_.length; idx++) {
+ var seriesName = this.labels_[idx];
var optionsForSeries = this.series_[seriesName]["options"];
var axis = optionsForSeries["axis"];
if (typeof(axis) == 'string') {
if (!this.series_.hasOwnProperty(axis)) {
- this.dygraph_.error("Series " + seriesName + " wants to share a y-axis with " +
+ Dygraph.error("Series " + seriesName + " wants to share a y-axis with " +
"series " + axis + ", which does not define its own axis.");
- return null;
+ return;
}
var yAxis = this.series_[axis].yAxis;
this.series_[seriesName].yAxis = yAxis;
}
}
} else {
- for (var idx = 0; idx < this.labels.length; idx++) {
- var seriesName = this.labels[idx];
+ for (var idx = 0; idx < this.labels_.length; idx++) {
+ var seriesName = this.labels_[idx];
var optionsForSeries = this.user_.series[seriesName] || {};
var yAxis = DygraphOptions.axisToIndex_(optionsForSeries["axis"]);
*/
DygraphOptions.prototype.getForSeries = function(name, series) {
// Honors indexes as series.
- if (series === this.dygraph_.highlightSet_) {
+ if (series === this.dygraph_.getHighlightSeries()) {
if (this.highlightSeries_.hasOwnProperty(name)) {
return this.highlightSeries_[name];
}
/**
* Returns the number of y-axes on the chart.
- * @return {Number} the number of axes.
+ * @return {number} the number of axes.
*/
DygraphOptions.prototype.numAxes = function() {
return this.yAxes_.length;