SecureNotes/src/components/modals/Modal.tsx

116 lines
3.3 KiB
TypeScript

import { Observable } from "@hibas123/utils";
import { h, Component } from "preact";
import CloseIcon from "feather-icons/dist/icons/x.svg";
export default abstract class Modal<T> {
// Static
private static modalObservableServer = new Observable<{ modal: Modal<any>, close: boolean }>();
public static modalObservable = Modal.modalObservableServer.getPublicApi();
protected abstract title: string;
// Private
private onResult: (result: T | null) => void;
private closeOnResult: boolean;
// Protected
protected result(value: T | null) {
if (this.closeOnResult)
this.close()
if (this.onResult)
this.onResult(value);
}
//Public
/**
* This function shows the modal
* Do not cell when using getResult()
*/
public async show() {
Modal.modalObservableServer.send({ modal: this, close: false });
}
/**
* Shows the modal and waits for result.
*
* Call close when successful
*/
public async getResult(close = true) {
this.closeOnResult = close;
this.show();
return new Promise<T | null>((yes) => this.onResult = yes);
}
public close() {
Modal.modalObservableServer.send({ modal: this, close: true });
}
public abstract getComponent(): JSX.Element;
public static BaseModal = class BaseModal<T> extends Component<{ modal: Modal<T> }, {}> {
render() {
return <div class="modal_container" onClick={(evt) => {
let path = evt.composedPath();
if (!path.find(e => {
let res = false;
let s = (e as Element);
if (s) {
if (s.classList) {
res = s.classList.contains("card")
}
}
return res;
})) {
this.props.modal.result(null)
}
}} onKeyDown={evt => {
if (evt.keyCode === 27) {
this.props.modal.result(null)
}
}}>
<div class="card" >
<div class="section" style="display:flex;justify-content:space-between;">
<h3>{this.props.modal.title}</h3>
<h3>
<CloseIcon onClick={() => this.props.modal.result(null)} width={undefined} height={undefined} style="height:calc(1rem * var(--heading-ratio) * var(--heading-ratio))" />
</h3>
</div>
{this.props.children}
</div>
</div>
}
}
}
export class ModalComponent extends Component<{}, { modal: Modal<any> | undefined, component: JSX.Element | undefined }>{
constructor(props) {
super(props);
this.onModal = this.onModal.bind(this);
}
onModal({ modal, close }: { modal: Modal<any>, close: boolean }) {
if (!close && this.state.modal !== modal) {
this.setState({ modal: modal, component: modal.getComponent() })
}
else {
if (this.state.modal === modal && close) // Only close if the same
this.setState({ modal: undefined, component: undefined })
}
}
componentWillMount() {
Modal.modalObservable.subscribe(this.onModal);
}
componentWillUnmount() {
Modal.modalObservable.unsubscribe(this.onModal);
}
render() {
return <div>
{this.state.component}
</div>
}
}