PresetListWidget

Properties:

activeName

The name of the currently active preset.

height

Height of each preset image. Default 1em.

onChange

A function to call when the selected preset changes. Called with the name of the new selected preset

presets

A map of preset name to preset image for all the presets that are available.

visible

Boolean, if false hide the widget.

Source

index.js
import React from 'react';
import PropTypes from 'prop-types';

import style from 'PVWStyle/ReactWidgets/PresetListWidget.mcss';

export default class PresetListWidget extends React.Component {
constructor(props) {
super(props);
this.state = {
activeName: props.activeName,
};

// Bind callback
this.updateActive = this.updateActive.bind(this);
}

updateActive(event) {
const activeName = event.target.dataset.name;
this.setState({ activeName });
if (this.props.onChange) {
this.props.onChange(activeName);
}
}

render() {
if (!this.props.presets || !this.props.visible) {
return null;
}

const activeName = this.state.activeName;
const height = this.props.height;
const presets = this.props.presets;
const names = Object.keys(presets);

return (
<div className={style.container}>
<div className={style.bottomPadding} />
{names.map((name) => (
<img
alt="Preset"
src={`data:image/png;base64,${presets[name]}`}
key={name}
style={{ height }}
data-name={name}
onClick={this.updateActive}
className={name === activeName ? style.activeLine : style.line}
/>
))}
<div className={style.bottomPadding} />
</div>
);
}
}

PresetListWidget.propTypes = {
activeName: PropTypes.string,
height: PropTypes.string,
onChange: PropTypes.func,
presets: PropTypes.object,
visible: PropTypes.bool,
};

PresetListWidget.defaultProps = {
activeName: '',
height: '1em',
presets: {},
visible: true,
onChange: undefined,
};