mirror of
https://github.com/laurent22/joplin.git
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123 lines
3.7 KiB
TypeScript
123 lines
3.7 KiB
TypeScript
const React = require('react');
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import { useState, useCallback, useMemo } from 'react';
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import { FAB, Portal } from 'react-native-paper';
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import { _ } from '@joplin/lib/locale';
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import { Dispatch } from 'redux';
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import { Platform, useWindowDimensions, View } from 'react-native';
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import shim from '@joplin/lib/shim';
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import AccessibleWebMenu from '../accessibility/AccessibleModalMenu';
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const Icon = require('react-native-vector-icons/Ionicons').default;
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// eslint-disable-next-line no-undef -- Don't know why it says React is undefined when it's defined above
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type FABGroupProps = React.ComponentProps<typeof FAB.Group>;
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type OnButtonPress = ()=> void;
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interface ButtonSpec {
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icon: string;
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label: string;
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color?: string;
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onPress?: OnButtonPress;
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}
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interface ActionButtonProps {
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buttons?: ButtonSpec[];
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// If not given, an "add" button will be used.
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mainButton?: ButtonSpec;
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dispatch: Dispatch;
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}
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const defaultOnPress = () => {};
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// Returns a render function compatible with React Native Paper.
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const getIconRenderFunction = (iconName: string) => {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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return (props: any) => <Icon name={iconName} {...props} />;
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};
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const useIcon = (iconName: string) => {
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return useMemo(() => {
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return getIconRenderFunction(iconName);
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}, [iconName]);
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};
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const FloatingActionButton = (props: ActionButtonProps) => {
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const [open, setOpen] = useState(false);
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const onMenuToggled: FABGroupProps['onStateChange'] = useCallback(state => {
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props.dispatch({
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type: 'SIDE_MENU_CLOSE',
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});
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setOpen(state.open);
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}, [setOpen, props.dispatch]);
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const actions = useMemo(() => (props.buttons ?? []).map(button => {
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return {
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...button,
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icon: getIconRenderFunction(button.icon),
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onPress: button.onPress ?? defaultOnPress,
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};
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}), [props.buttons]);
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const closedIcon = useIcon(props.mainButton?.icon ?? 'add');
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const openIcon = useIcon('close');
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// To work around an Android accessibility bug, we decrease the
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// size of the container for the FAB. According to the documentation for
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// RN Paper, a large action button has size 96x96. As such, we allocate
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// a larger than this space for the button.
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//
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// To prevent the accessibility issue from regressing (which makes it
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// very hard to access some UI features), we also enable this when Talkback
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// is disabled.
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//
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// See https://github.com/callstack/react-native-paper/issues/4064
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const windowSize = useWindowDimensions();
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const adjustMargins = !open && shim.mobilePlatform() === 'android';
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const marginTop = adjustMargins ? Math.max(0, windowSize.height - 140) : undefined;
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const marginStart = adjustMargins ? Math.max(0, windowSize.width - 200) : undefined;
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const label = props.mainButton?.label ?? _('Add new');
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// On Web, FAB.Group can't be used at all with accessibility tools. Work around this
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// by hiding the FAB for accessibility, and providing a screen-reader-only custom menu.
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const isWeb = Platform.OS === 'web';
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const accessibleMenu = isWeb ? (
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<AccessibleWebMenu
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label={label}
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onPress={props.mainButton?.onPress}
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actions={props.buttons}
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/>
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) : null;
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const menuContent = <FAB.Group
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open={open}
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accessibilityLabel={label}
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style={{ marginStart, marginTop }}
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icon={ open ? openIcon : closedIcon }
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fabStyle={{
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backgroundColor: props.mainButton?.color ?? 'rgba(231,76,60,1)',
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}}
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onStateChange={onMenuToggled}
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actions={actions}
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onPress={props.mainButton?.onPress ?? defaultOnPress}
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visible={true}
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/>;
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const mainMenu = isWeb ? (
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<View
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aria-hidden={true}
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pointerEvents='box-none'
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tabIndex={-1}
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style={{ flex: 1 }}
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>{menuContent}</View>
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) : menuContent;
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return (
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<Portal>
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{mainMenu}
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{accessibleMenu}
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</Portal>
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);
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};
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export default FloatingActionButton;
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