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import * as React from 'react';
import ReactDOM from 'react-dom';
import { Component, Styles, Text, View } from 'reactxp';
import { colors } from '../../config.json';
import { Scheduler } from '../../shared/scheduler';
import ImageView from './ImageView';
const MODAL_CONTAINER_ID = 'modalContainer';
const styles = {
modalAlertBackground: Styles.createViewStyle({
flex: 1,
justifyContent: 'center',
paddingHorizontal: 14,
paddingTop: 26,
paddingBottom: 14,
}),
modalAlert: Styles.createViewStyle({
backgroundColor: colors.darkBlue,
borderRadius: 11,
padding: 16,
}),
modalAlertIcon: Styles.createViewStyle({
alignItems: 'center',
marginTop: 8,
}),
modalAlertMessage: Styles.createTextStyle({
fontFamily: 'Open Sans',
fontSize: 14,
fontWeight: '500',
lineHeight: 20,
color: colors.white80,
marginTop: 16,
}),
modalAlertButtonContainer: Styles.createViewStyle({
marginTop: 16,
}),
};
interface IModalContentProps {
children?: React.ReactNode;
}
export const ModalContent: React.FC = (props: IModalContentProps) => {
return (
<div
style={{
position: 'absolute',
display: 'flex',
flexDirection: 'column',
flex: 1,
top: 0,
left: 0,
right: 0,
bottom: 0,
}}>
{props.children}
</div>
);
};
interface IModalBackgroundProps {
children?: React.ReactNode;
}
const ModalBackground: React.FC = (props: IModalBackgroundProps) => {
return (
<div
style={{
backgroundColor: 'rgba(0,0,0,0.5)',
position: 'absolute',
display: 'flex',
flexDirection: 'column',
flex: 1,
top: 0,
left: 0,
right: 0,
bottom: 0,
}}>
{props.children}
</div>
);
};
interface IModalContainerProps {
children?: React.ReactNode;
}
export const ModalContainer: React.FC = (props: IModalContainerProps) => {
return (
<div id={MODAL_CONTAINER_ID} style={{ position: 'relative', flex: 1 }}>
<ModalContent>{props.children}</ModalContent>
</div>
);
};
export enum ModalAlertType {
Info = 1,
Warning,
}
interface IModalAlertProps {
type?: ModalAlertType;
message?: string;
buttons: React.ReactNode[];
children?: React.ReactNode;
}
export class ModalAlert extends Component<IModalAlertProps> {
private element = document.createElement('div');
private modalContainer?: Element;
private appendScheduler = new Scheduler();
public componentDidMount() {
const modalContainer = document.getElementById(MODAL_CONTAINER_ID);
if (modalContainer) {
this.modalContainer = modalContainer;
// Mounting the container element immediately results in a graphical issue with the dialog
// first rendering with the wrong proportions and then changing to the correct proportions.
// Postponing it to the next event cycle solves this issue.
this.appendScheduler.schedule(() => {
modalContainer.appendChild(this.element);
});
} else {
throw Error('Modal container not found when mounting modal');
}
}
public componentWillUnmount() {
this.appendScheduler.cancel();
if (this.modalContainer) {
this.modalContainer.removeChild(this.element);
}
}
public render() {
return ReactDOM.createPortal(this.renderModal(), this.element);
}
private renderModal() {
return (
<ModalBackground>
<View style={styles.modalAlertBackground}>
<View style={styles.modalAlert}>
{this.props.type && (
<View style={styles.modalAlertIcon}>{this.renderTypeIcon(this.props.type)}</View>
)}
{this.props.message && <ModalMessage>{this.props.message}</ModalMessage>}
{this.props.children}
{this.props.buttons.map((button, index) => (
<View key={index} style={styles.modalAlertButtonContainer}>
{button}
</View>
))}
</View>
</View>
</ModalBackground>
);
}
private renderTypeIcon(type: ModalAlertType) {
let source = '';
let color = '';
switch (type) {
case ModalAlertType.Info:
source = 'icon-alert';
color = colors.white;
break;
case ModalAlertType.Warning:
source = 'icon-alert';
color = colors.red;
break;
}
return <ImageView height={44} width={44} source={source} tintColor={color} />;
}
}
interface IModalMessageProps {
children?: string;
}
export function ModalMessage(props: IModalMessageProps) {
return <Text style={styles.modalAlertMessage}>{props.children}</Text>;
}
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