rlayers/dist/interaction/RBaseInteraction.js

React Components for OpenLayers

import { RlayersBase } from '../REvent';
import debug from '../debug';
/**
 * A basic Base interaction component
 *
 * It is meant to be be extended by more specific interactions
 */
class RBaseInteraction extends RlayersBase {
    constructor(props) {
        super(props);
        this.ol = null;
    }
    createOL(props) {
        throw new Error('RBaseInteraction should not be directly instantiated');
    }
    refresh(prevProps) {
        for (const p of this.classProps)
            if (prevProps && prevProps[p] !== this.props[p]) {
                debug('Replacing interaction', this, prevProps);
                this.componentWillUnmount();
                this.ol = this.createOL(this.props);
                this.componentDidMount();
                break;
            }
        super.refresh(prevProps);
    }
    componentDidMount() {
        super.componentDidMount();
        this.context.map.addInteraction(this.ol);
    }
    componentWillUnmount() {
        super.componentWillUnmount();
        this.context.map.removeInteraction(this.ol);
    }
    render() {
        var _a, _b;
        if (!((_b = (_a = this.context) === null || _a === void 0 ? void 0 : _a.map) === null || _b === void 0 ? void 0 : _b.addInteraction))
            throw new Error('An interaction must be part of a map');
        if (this.ol === null)
            this.ol = this.createOL(this.props);
        return super.render();
    }
}
RBaseInteraction.classProps = [];
export default RBaseInteraction;
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