MAINHACK

Viewing / Editing File: api.region.js

import CLASS from './class';
import { c3_chart_fn } from './core';

c3_chart_fn.regions = function (regions) {
    var $$ = this.internal, config = $$.config;
    if (!regions) { return config.regions; }
    config.regions = regions;
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.add = function (regions) {
    var $$ = this.internal, config = $$.config;
    if (!regions) { return config.regions; }
    config.regions = config.regions.concat(regions);
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.remove = function (options) {
    var $$ = this.internal, config = $$.config,
        duration, classes, regions;

options = options || {};
    duration = $$.getOption(options, "duration", config.transition_duration);
    classes = $$.getOption(options, "classes", [CLASS.region]);

regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; }));
    (duration ? regions.transition().duration(duration) : regions)
        .style('opacity', 0)
        .remove();

config.regions = config.regions.filter(function (region) {
        var found = false;
        if (!region['class']) {
            return true;
        }
        region['class'].split(' ').forEach(function (c) {
            if (classes.indexOf(c) >= 0) { found = true; }
        });
        return !found;
    });

return config.regions;
};

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Viewing / Editing File: api.region.js

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