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import React, { useCallback, useContext, useEffect, useMemo, useRef, useState } from 'react';
import styled from 'styled-components';
import { colors } from '../../config.json';
import log from '../../shared/logging';
import { useMounted } from '../lib/utilityHooks';
import {
StyledButtonContent,
StyledLabel,
StyledLabelContainer,
transparentButton,
} from './AppButtonStyles';
import ImageView from './ImageView';
interface IButtonContext {
textAdjustment: number;
textRef?: React.Ref<HTMLDivElement>;
}
const ButtonContext = React.createContext<IButtonContext>({
textAdjustment: 0,
});
interface ILabelProps {
children?: React.ReactText;
}
export function Label(props: ILabelProps) {
const { textAdjustment, textRef } = useContext(ButtonContext);
return (
<StyledLabelContainer ref={textRef} textAdjustment={textAdjustment}>
<StyledLabel>{props.children}</StyledLabel>
</StyledLabelContainer>
);
}
interface IIconProps {
source: string;
width?: number;
height?: number;
}
export function Icon(props: IIconProps) {
return <ImageView {...props} tintColor={colors.white} />;
}
export interface IProps extends React.HTMLAttributes<HTMLButtonElement> {
children?: React.ReactNode;
className?: string;
disabled?: boolean;
onClick?: () => void;
textOffset?: number;
}
const BaseButton = React.memo(function BaseButtonT(props: IProps) {
const { children, textOffset, ...otherProps } = props;
const [textAdjustment, setTextAdjustment] = useState(0);
const buttonRef = useRef() as React.RefObject<HTMLButtonElement>;
const textRef = useRef() as React.RefObject<HTMLDivElement>;
const contextValue = useMemo(() => ({ textAdjustment, textRef }), [textAdjustment, textRef]);
useEffect(() => {
const buttonRect = buttonRef.current?.getBoundingClientRect();
const textRect = textRef.current?.getBoundingClientRect();
if (buttonRect && textRect) {
const leftDiff = textRect.left - buttonRect.left;
// calculate the remaining space at the right hand side
const trailingSpace = buttonRect.width - (leftDiff + textRect.width);
// calculate text adjustment
const textAdjustment = leftDiff - trailingSpace - (textOffset ?? 0);
// re-render the view with the new text adjustment if it changed
setTextAdjustment(textAdjustment);
}
});
return (
<ButtonContext.Provider value={contextValue}>
<StyledSimpleButton ref={buttonRef} {...otherProps}>
<StyledButtonContent>
{React.Children.map(children, (child) =>
typeof child === 'string' ? <Label>{child as string}</Label> : child,
)}
</StyledButtonContent>
</StyledSimpleButton>
</ButtonContext.Provider>
);
});
function SimpleButtonT(
props: React.ButtonHTMLAttributes<HTMLButtonElement>,
ref: React.Ref<HTMLButtonElement>,
) {
const blockingContext = useContext(BlockingContext);
return (
<button
ref={ref}
{...props}
disabled={props.disabled || blockingContext.disabled}
onClick={blockingContext.onClick ?? props.onClick}>
{props.children}
</button>
);
}
export const SimpleButton = React.memo(React.forwardRef(SimpleButtonT));
const StyledSimpleButton = styled(SimpleButton)({
display: 'flex',
cursor: 'default',
borderRadius: 4,
border: 'none',
padding: 0,
':disabled': {
opacity: 0.5,
},
});
interface IBlockingContext {
disabled?: boolean;
onClick?: () => Promise<void>;
}
const BlockingContext = React.createContext<IBlockingContext>({});
interface IBlockingProps {
children?: React.ReactNode;
onClick: () => Promise<void>;
disabled?: boolean;
}
export function BlockingButton(props: IBlockingProps) {
const isMounted = useMounted();
const [isBlocked, setIsBlocked] = useState(false);
const onClick = useCallback(async () => {
setIsBlocked(true);
try {
await props.onClick();
} catch (error) {
log.error(`onClick() failed - ${error}`);
}
if (isMounted()) {
setIsBlocked(false);
}
}, [props.onClick]);
const contextValue = useMemo(
() => ({
disabled: isBlocked || props.disabled,
onClick,
}),
[isBlocked, props.disabled, onClick],
);
return <BlockingContext.Provider value={contextValue}>{props.children}</BlockingContext.Provider>;
}
export const RedButton = styled(BaseButton)({
backgroundColor: colors.red,
':not(:disabled):hover': {
backgroundColor: colors.red95,
},
});
export const GreenButton = styled(BaseButton)({
backgroundColor: colors.green,
':not(:disabled):hover': {
backgroundColor: colors.green90,
},
});
export const BlueButton = styled(BaseButton)({
backgroundColor: colors.blue80,
':not(:disabled):hover': {
backgroundColor: colors.blue60,
},
});
export const TransparentButton = styled(BaseButton)(transparentButton, {
backgroundColor: colors.white20,
':not(:disabled):hover': {
backgroundColor: colors.white40,
},
});
export const RedTransparentButton = styled(BaseButton)(transparentButton, {
backgroundColor: colors.red60,
':not(:disabled):hover': {
backgroundColor: colors.red80,
},
});
const StyledButtonWrapper = styled.div({
display: 'flex',
flexDirection: 'column',
flex: 0,
':not(:last-child)': {
marginBottom: '18px',
},
});
interface IButtonGroupProps {
children: React.ReactElement[];
}
export function ButtonGroup(props: IButtonGroupProps) {
return (
<>
{React.Children.map(props.children, (button, index) => (
<StyledButtonWrapper key={index}>{button}</StyledButtonWrapper>
))}
</>
);
}
|
