86 lines
2 KiB
TypeScript
86 lines
2 KiB
TypeScript
import * as React from 'react';
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import { ReactSVGPanZoom, Tool, Value, TOOL_PAN } from 'react-svg-pan-zoom';
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import { Container } from './Elements/Container';
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interface ISVGProps {
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children: Container | Container[] | null,
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}
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interface ISVGState {
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viewBox: number[],
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value: Value,
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tool: Tool
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}
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export class SVG extends React.Component<ISVGProps> {
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public state: ISVGState;
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public svg: React.RefObject<SVGSVGElement>;
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constructor(props: ISVGProps) {
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super(props);
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this.state = {
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viewBox: [
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0,
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0,
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window.innerWidth,
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window.innerHeight
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],
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value: {
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viewerWidth: window.innerWidth,
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viewerHeight: window.innerHeight
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} as Value,
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tool: TOOL_PAN
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};
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this.svg = React.createRef<SVGSVGElement>();
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}
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resizeViewBox() {
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this.setState({
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viewBox: [
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0,
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0,
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window.innerWidth,
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window.innerHeight
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]
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});
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}
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componentDidMount() {
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window.addEventListener('resize', this.resizeViewBox.bind(this));
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}
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componentWillUnmount() {
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window.removeEventListener('resize', this.resizeViewBox.bind(this));
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}
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render() {
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const xmlns = '<http://www.w3.org/2000/svg>';
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const properties = {
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viewBox: this.state.viewBox.join(' '),
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xmlns
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};
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let children: React.ReactNode | React.ReactNode[] = [];
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if (Array.isArray(this.props.children)) {
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children = this.props.children.map(child => child.render());
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} else if (this.props.children !== null) {
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children = this.props.children.render();
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}
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return (
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<ReactSVGPanZoom
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width={window.innerWidth}
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height={window.innerHeight}
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background={'#ffffff'}
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defaultTool='pan'
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value={this.state.value} onChangeValue={value => this.setState({ value })}
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tool={this.state.tool} onChangeTool={tool => this.setState({ tool })}
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>
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<svg ref={this.svg} {...properties}>
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{ children }
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</svg>
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</ReactSVGPanZoom>
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);
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};
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}
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