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Make Chart.defaults/Ticks/Interaction importable (#4512)

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Default options can now be accessed by importing `core/core.defaults`. The returned object acts as a singleton and is populated when importing classes that expose their own default values (meaning that importing only `code.defaults` results in an empty object). Also make `Chart.Ticks` and `Chart.Interaction` importable since existing defaults rely on these values.

Add the `defaults._set` method that make easier declaring new defaults by merging given values with existing ones for a specific scope (`global`, `scale`, `bar`, etc).
This commit is contained in:
Simon Brunel
2017-07-16 19:38:19 +02:00
committed by GitHub
parent 1833614e1d
commit 889ecd560b
32 changed files with 1154 additions and 1097 deletions
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32
src/plugins/plugin.title.js
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@@ -1,24 +1,25 @@
'use strict';
var defaults = require('../core/core.defaults');
var helpers = require('../helpers/index');
defaults._set('global', {
title: {
display: false,
fontStyle: 'bold',
fullWidth: true,
padding: 10,
position: 'top',
text: '',
weight: 2000 // by default greater than legend (1000) to be above
}
});
module.exports = function(Chart) {
var layout = Chart.layoutService;
var noop = helpers.noop;
Chart.defaults.global.title = {
display: false,
position: 'top',
fullWidth: true,
weight: 2000, // by default greater than legend (1000) to be above
fontStyle: 'bold',
padding: 10,
// actual title
text: ''
};
Chart.Title = Chart.Element.extend({
initialize: function(config) {
var me = this;
@@ -109,9 +110,8 @@ module.exports = function(Chart) {
var me = this,
valueOrDefault = helpers.valueOrDefault,
opts = me.options,
globalDefaults = Chart.defaults.global,
display = opts.display,
fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize),
fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize),
minSize = me.minSize,
lineCount = helpers.isArray(opts.text) ? opts.text.length : 1,
lineHeight = valueOrDefault(opts.lineHeight, fontSize),
@@ -143,7 +143,7 @@ module.exports = function(Chart) {
ctx = me.ctx,
valueOrDefault = helpers.valueOrDefault,
opts = me.options,
globalDefaults = Chart.defaults.global;
globalDefaults = defaults.global;
if (opts.display) {
var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize),
@@ -225,7 +225,7 @@ module.exports = function(Chart) {
var titleBlock = chart.titleBlock;
if (titleOpts) {
helpers.mergeIf(titleOpts, Chart.defaults.global.title);
helpers.mergeIf(titleOpts, defaults.global.title);
if (titleBlock) {
layout.configure(chart, titleBlock, titleOpts);