web/nms.gathering.org/speedometer/c3-master/src/api.zoom.js


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c3_chart_fn.zoom = function (domain) {
    var $$ = this.internal;
    if (domain) {
        if ($$.isTimeSeries()) {
            domain = domain.map(function (x) { return $$.parseDate(x); });
        }
        $$.brush.extent(domain);
        $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale});
        $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
    }
    return $$.brush.extent();
};
c3_chart_fn.zoom.enable = function (enabled) {
    var $$ = this.internal;
    $$.config.zoom_enabled = enabled;
    $$.updateAndRedraw();
};
c3_chart_fn.unzoom = function () {
    var $$ = this.internal;
    $$.brush.clear().update();
    $$.redraw({withUpdateXDomain: true});
};