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Make number slider more robust against weird input values #4758

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merged 4 commits into from
Aug 10, 2020
Merged

Make number slider more robust against weird input values #4758

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ff4ec7a
make number slider more robust against weird input values
philippotto Aug 7, 2020
294f4ae
also validate number slider input on blur
philippotto Aug 10, 2020
6e10aed
format
philippotto Aug 10, 2020
240b390
update changelog
philippotto Aug 10, 2020
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10 changes: 7 additions & 3 deletions frontend/javascripts/oxalis/view/settings/setting_input_views.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,17 +24,21 @@ export class NumberSliderSetting extends React.PureComponent<NumberSliderSetting
};

_onChange = (_value: number) => {
if (this.props.min <= _value && _value <= this.props.max) {
if (this.isValueValid(_value)) {
this.props.onChange(_value);
}
};

isValueValid = (_value: number) =>
_.isNumber(_value) && _value >= this.props.min && _value <= this.props.max;

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render() {
const { value: originalValue, label, max, min, step, onChange, disabled } = this.props;

// Validate the provided value. If it's not valid, fallback to the midpoint between min and max.
const isValueValid = _.isNumber(originalValue) && originalValue >= min && originalValue <= max;
const value = isValueValid ? originalValue : Math.floor((min + max) / 2);
// This check guards against broken settings which could be introduced before this component
// checked more thoroughly against invalid values.
const value = this.isValueValid(originalValue) ? originalValue : Math.floor((min + max) / 2);

return (
<Row type="flex" align="middle">
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