34 lines
1.2 KiB
JavaScript
Executable file
34 lines
1.2 KiB
JavaScript
Executable file
"use strict";
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module.exports = function(Chart) {
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var helpers = Chart.helpers;
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Chart.scaleService = {
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// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
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// use the new chart options to grab the correct scale
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constructors: {},
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// Use a registration function so that we can move to an ES6 map when we no longer need to support
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// old browsers
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// Scale config defaults
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defaults: {},
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registerScaleType: function(type, scaleConstructor, defaults) {
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this.constructors[type] = scaleConstructor;
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this.defaults[type] = helpers.clone(defaults);
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},
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getScaleConstructor: function(type) {
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return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
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},
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getScaleDefaults: function(type) {
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// Return the scale defaults merged with the global settings so that we always use the latest ones
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return this.defaults.hasOwnProperty(type) ? helpers.scaleMerge(Chart.defaults.scale, this.defaults[type]) : {};
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},
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addScalesToLayout: function(chartInstance) {
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// Adds each scale to the chart.boxes array to be sized accordingly
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helpers.each(chartInstance.scales, function(scale) {
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Chart.layoutService.addBox(chartInstance, scale);
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});
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}
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};
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}; |