Rocket.Chat.ReactNative/app/containers/EmojiPicker/EmojiCategory.tsx

46 lines
1.4 KiB
TypeScript

import React from 'react';
import { useWindowDimensions } from 'react-native';
import { FlatList } from 'react-native-gesture-handler';
import { EMOJI_BUTTON_SIZE } from './styles';
import scrollPersistTaps from '../../lib/methods/helpers/scrollPersistTaps';
import { IEmoji } from '../../definitions/IEmoji';
import { PressableEmoji } from './PressableEmoji';
interface IEmojiCategoryProps {
emojis: IEmoji[];
onEmojiSelected: (emoji: IEmoji) => void;
tabLabel?: string; // needed for react-native-scrollable-tab-view only
}
const EmojiCategory = ({ onEmojiSelected, emojis }: IEmojiCategoryProps): React.ReactElement | null => {
const { width } = useWindowDimensions();
const numColumns = Math.trunc(width / EMOJI_BUTTON_SIZE);
const marginHorizontal = (width % EMOJI_BUTTON_SIZE) / 2;
const renderItem = ({ item }: { item: IEmoji }) => <PressableEmoji emoji={item} onPress={onEmojiSelected} />;
if (!width) {
return null;
}
return (
<FlatList
// needed to update the numColumns when the width changes
key={`emoji-category-${width}`}
keyExtractor={item => (typeof item === 'string' ? item : item.name)}
data={emojis}
renderItem={renderItem}
numColumns={numColumns}
initialNumToRender={45}
removeClippedSubviews
contentContainerStyle={{ marginHorizontal }}
{...scrollPersistTaps}
keyboardDismissMode={'none'}
/>
);
};
export default EmojiCategory;