/**
+ * @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.
*/
+var DygraphOptions = (function() {
+
+/*jshint sub:true */
+/*global Dygraph:false */
"use strict";
/*
this.user_ = this.dygraph_.user_attrs_ || {};
this.highlightSeries_ = this.get("highlightSeriesOpts") || {};
- // Get a list of series names.
-
- var labels = this.get("labels");
- if (!labels) {
- return; // -- can't do more for now, will parse after getting the labels.
- }
-
this.reparseSeries();
};
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.";
+ 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.
*/
DygraphOptions.prototype.reparseSeries = function() {
- this.labels = this.get("labels").slice(1);
+ var labels = this.get("labels");
+ if (!labels) {
+ return; // -- can't do more for now, will parse after getting the labels.
+ }
+
+ this.labels_ = labels.slice(1);
this.yAxes_ = [ { series : [], options : {}} ]; // Always one axis at least.
this.xAxis_ = { options : {} };
// So, if series is found, it's expected to contain per-series data, otherwise we fall
// back.
var oldStyleSeries = !this.user_["series"];
-
+
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] || {};
-
+
var yAxis = 0;
var axis = optionsForSeries["axis"];
if (typeof(axis) == 'object') {
this.series_[seriesName] = { idx: idx, yAxis: yAxis, options : optionsForSeries };
}
-
+
// 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];
- var optionsForSeries = this.series_[seriesName]["options"];
+ 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 " +
}
}
} 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"]);
var axis_opts = this.user_["axes"] || {};
Dygraph.update(this.yAxes_[0].options, axis_opts["y"] || {});
if (this.yAxes_.length > 1) {
- Dygraph.update(this.yAxes_[1].options, axis_opts["y2"] || {});
+ Dygraph.update(this.yAxes_[1].options, axis_opts["y2"] || {});
}
Dygraph.update(this.xAxis_.options, axis_opts["x"] || {});
};
*/
DygraphOptions.prototype.get = function(name) {
var result = this.getGlobalUser_(name);
- if (result != null) {
+ if (result !== null) {
return result;
}
return this.getGlobalDefault_(name);
return Dygraph.DEFAULT_ATTRS[name];
}
return null;
-}
+};
/**
* Get a value for a specific axis. If there is no specific value for the axis,
// Since axis can be a number or a string, straighten everything out here.
if (typeof(axis) == 'number') {
axisIdx = axis;
- axisString = axisIdx == 0 ? "y" : "y2";
+ axisString = axisIdx === 0 ? "y" : "y2";
} else {
if (axis == "y1") { axis = "y"; } // Standardize on 'y'. Is this bad? I think so.
if (axis == "y") {
// User-specified global options second.
var result = this.getGlobalUser_(name);
- if (result != null) {
+ if (result !== null) {
return result;
}
* the value for the axis is returned (and afterwards, the global value.)
*
* @param {string} name the name of the option.
- * @param {string|number} series the series to search. Can be the string representation
- * or 0-offset series number.
+ * @param {string} series the series to search.
*/
DygraphOptions.prototype.getForSeries = function(name, series) {
// Honors indexes as series.
- var seriesName = (typeof(series) == "number") ? this.labels[series] : series;
-
- if (seriesName === this.dygraph_.highlightSet_) {
+ if (series === this.dygraph_.highlightSet_) {
if (this.highlightSeries_.hasOwnProperty(name)) {
return this.highlightSeries_[name];
}
}
- if (!this.series_.hasOwnProperty(seriesName)) {
+ if (!this.series_.hasOwnProperty(series)) {
throw "Unknown series: " + series;
}
- var seriesObj = this.series_[seriesName];
+ var seriesObj = this.series_[series];
var seriesOptions = seriesObj["options"];
if (seriesOptions.hasOwnProperty(name)) {
return seriesOptions[name];
/**
* Return the y-axis for a given series, specified by name.
*/
-DygraphOptions.prototype.axisForSeries = function(seriesName) {
- return this.series_[seriesName].yAxis;
+DygraphOptions.prototype.axisForSeries = function(series) {
+ return this.series_[series].yAxis;
};
/**
return this.labels_;
};
-/* Are we using this? */
+/* Are we using this? */
/**
* Return the index of the specified series.
* @param {string} series the series name.
DygraphOptions.prototype.indexOfSeries = function(series) {
return this.series_[series].idx;
};
+
+return DygraphOptions;
+
+})();