feat: support hintTextColor on iOS search bar #4089
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,198 @@ | ||
| import { NavigationContainer } from '@react-navigation/native'; | ||
| import { createNativeStackNavigator } from '@react-navigation/native-stack'; | ||
| import type { NativeStackScreenProps } from '@react-navigation/native-stack'; | ||
| import React, { useLayoutEffect, useState } from 'react'; | ||
| import { Button, ScrollView, StyleSheet, Text, View } from 'react-native'; | ||
| import type { SearchBarPlacement, SearchBarProps } from 'react-native-screens'; | ||
|
|
||
| type StackParamList = { | ||
| Home: undefined; | ||
| SearchBar: undefined; | ||
| }; | ||
|
|
||
| type PlaceholderMode = 'default' | 'custom' | 'empty'; | ||
| type HintColorMode = 'default' | 'red' | 'blue'; | ||
|
|
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| type SearchBarConfig = { | ||
| placement: SearchBarPlacement; | ||
| placeholderMode: PlaceholderMode; | ||
| hintColorMode: HintColorMode; | ||
| allowToolbarIntegration: boolean; | ||
| }; | ||
|
|
||
| const Stack = createNativeStackNavigator<StackParamList>(); | ||
|
|
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| const placements: SearchBarPlacement[] = [ | ||
| 'automatic', | ||
| 'inline', | ||
| 'stacked', | ||
| 'integrated', | ||
| 'integratedButton', | ||
| 'integratedCentered', | ||
| ]; | ||
|
|
||
| const placeholderModes: PlaceholderMode[] = ['default', 'custom', 'empty']; | ||
| const hintColorModes: HintColorMode[] = ['default', 'red', 'blue']; | ||
|
|
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| const defaultConfig: SearchBarConfig = { | ||
| placement: 'automatic', | ||
| placeholderMode: 'default', | ||
| hintColorMode: 'default', | ||
| allowToolbarIntegration: true, | ||
| }; | ||
|
|
||
| function getNextValue<T>(values: readonly T[], currentValue: T): T { | ||
| const currentIndex = values.indexOf(currentValue); | ||
| return values[(currentIndex + 1) % values.length]; | ||
| } | ||
|
|
||
| function getPlaceholder(mode: PlaceholderMode): SearchBarProps['placeholder'] { | ||
| switch (mode) { | ||
| case 'custom': | ||
| return 'Custom placeholder'; | ||
| case 'empty': | ||
| return ''; | ||
| default: | ||
| return undefined; | ||
| } | ||
| } | ||
|
|
||
| function getHintTextColor( | ||
| mode: HintColorMode, | ||
| ): SearchBarProps['hintTextColor'] { | ||
| switch (mode) { | ||
| case 'red': | ||
| return 'red'; | ||
| case 'blue': | ||
| return 'blue'; | ||
| default: | ||
| return undefined; | ||
| } | ||
| } | ||
|
|
||
| function Home({ navigation }: NativeStackScreenProps<StackParamList, 'Home'>) { | ||
| return ( | ||
| <View style={styles.centeredContainer}> | ||
| <Text style={styles.title}>Test4089</Text> | ||
| <Button | ||
| title="Open search bar test" | ||
| onPress={() => navigation.navigate('SearchBar')} | ||
| /> | ||
| </View> | ||
| ); | ||
| } | ||
|
|
||
| function SearchBarScreen({ | ||
| navigation, | ||
| }: NativeStackScreenProps<StackParamList, 'SearchBar'>) { | ||
| const [config, setConfig] = useState<SearchBarConfig>(defaultConfig); | ||
|
|
||
| useLayoutEffect(() => { | ||
| navigation.setOptions({ | ||
| headerSearchBarOptions: { | ||
| placement: config.placement, | ||
| allowToolbarIntegration: config.allowToolbarIntegration, | ||
| hideWhenScrolling: false, | ||
| placeholder: getPlaceholder(config.placeholderMode), | ||
| hintTextColor: getHintTextColor(config.hintColorMode), | ||
| }, | ||
| }); | ||
| }, [config, navigation]); | ||
|
|
||
| return ( | ||
| <ScrollView | ||
| contentInsetAdjustmentBehavior="automatic" | ||
| contentContainerStyle={styles.contentContainer}> | ||
| <Text style={styles.title}>Search bar options</Text> | ||
| <Text>Placement: {config.placement}</Text> | ||
| <Text>Placeholder: {config.placeholderMode}</Text> | ||
| <Text>Hint text color: {config.hintColorMode}</Text> | ||
| <Text> | ||
| Allow toolbar integration:{' '} | ||
| {config.allowToolbarIntegration ? 'true' : 'false'} | ||
| </Text> | ||
|
|
||
| <Button | ||
| title="Cycle placement" | ||
| onPress={() => | ||
| setConfig(currentConfig => ({ | ||
| ...currentConfig, | ||
| placement: getNextValue(placements, currentConfig.placement), | ||
| })) | ||
| } | ||
| /> | ||
| <Button | ||
| title="Cycle placeholder" | ||
| onPress={() => | ||
| setConfig(currentConfig => ({ | ||
| ...currentConfig, | ||
| placeholderMode: getNextValue( | ||
| placeholderModes, | ||
| currentConfig.placeholderMode, | ||
| ), | ||
| })) | ||
| } | ||
| /> | ||
| <Button | ||
| title="Cycle hint color" | ||
| onPress={() => | ||
| setConfig(currentConfig => ({ | ||
| ...currentConfig, | ||
| hintColorMode: getNextValue( | ||
| hintColorModes, | ||
| currentConfig.hintColorMode, | ||
| ), | ||
| })) | ||
| } | ||
| /> | ||
| <Button | ||
| title="Toggle toolbar integration" | ||
| onPress={() => | ||
| setConfig(currentConfig => ({ | ||
| ...currentConfig, | ||
| allowToolbarIntegration: !currentConfig.allowToolbarIntegration, | ||
| })) | ||
| } | ||
| /> | ||
| <Button | ||
| title="Restore default values" | ||
| onPress={() => setConfig(defaultConfig)} | ||
| /> | ||
| </ScrollView> | ||
| ); | ||
| } | ||
|
|
||
| export default function App(): React.JSX.Element { | ||
| return ( | ||
| <NavigationContainer> | ||
| <Stack.Navigator> | ||
| <Stack.Screen name="Home" component={Home} /> | ||
| <Stack.Screen | ||
| name="SearchBar" | ||
| component={SearchBarScreen} | ||
| options={{ | ||
| headerLargeTitle: true, | ||
| title: 'Search bar', | ||
| }} | ||
| /> | ||
| </Stack.Navigator> | ||
| </NavigationContainer> | ||
| ); | ||
| } | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| centeredContainer: { | ||
| flex: 1, | ||
| alignItems: 'center', | ||
| justifyContent: 'center', | ||
| gap: 12, | ||
| }, | ||
| contentContainer: { | ||
| padding: 16, | ||
| gap: 12, | ||
| }, | ||
| title: { | ||
| fontSize: 20, | ||
| fontWeight: '600', | ||
| }, | ||
| }); |
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The search bar doesn't really support runtime changes for e.g. placement so we should probably have configuration on root screen and then apply the config on new pushed screen with the config.