# A searchable ListView which supports Chinese PinYin and alphabetical index.

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### React Native Search List

A searchable ListView which supports Chinese PinYin and alphabetical index.

<p align="center">
  <img src='https://raw.githubusercontent.com/UnPourTous/react-native-search-list/develop-refactor/screenshots/search-list-demo-v2.gif' />
</p>

The following pic may be helpful when understanding the structure and APIs: 

<p align="center">
<img src='https://user-images.githubusercontent.com/1309744/36627720-fba7dade-1981-11e8-941f-03fc94af00ec.png' />
</p>

## Installation

`$ npm install @unpourtous/react-native-search-list --save`

## Usage

To Use SearchList, need a array of object as data source,and each object has searchStr property, eample code are put in `./entry.js`.

```js
export default class example extends Component {
  constructor (props) {
    super(props)
    this.state = {
      dataSource: demoList
    }
  }

  // custom render row
  renderRow (item, sectionID, rowID, highlightRowFunc, isSearching) {
    return (
      <Touchable onPress={() => {
        Alert.alert('Clicked!', `sectionID: ${sectionID}; item: ${item.searchStr}`,
          [
            {text: 'OK', onPress: () => console.log('OK Pressed')},
          ],
          {cancelable: true})
      }}>
        <View key={rowID} style={{flex: 1, marginLeft: 20, height: rowHeight, justifyContent: 'center'}}>
          {/*use `HighlightableText` to highlight the search result*/}
          <HighlightableText
            matcher={item.matcher}
            text={item.searchStr}
            textColor={'#000'}
            hightlightTextColor={'#0069c0'}
          />
        </View>
      </Touchable>
    )
  }

  // render empty view when datasource is empty
  renderEmpty () {
    return (
      <View style={styles.emptyDataSource}>
        <Text style={{color: '#979797', fontSize: 18, paddingTop: 20}}> No Content </Text>
      </View>
    )
  }

  // render empty result view when search result is empty
  renderEmptyResult (searchStr) {
    return (
      <View style={styles.emptySearchResult}>
        <Text style={{color: '#979797', fontSize: 18, paddingTop: 20}}> No Result For <Text
          style={{color: '#171a23', fontSize: 18}}>{searchStr}</Text></Text>
        <Text style={{color: '#979797', fontSize: 18, alignItems: 'center', paddingTop: 10}}>Please search again</Text>
      </View>
    )
  }

  render () {
    return (
      <View style={styles.container}>
        <StatusBar backgroundColor='#F00' barStyle='light-content' />
        <SearchList
          data={this.state.dataSource}
          renderRow={this.renderRow.bind(this)}
          renderEmptyResult={this.renderEmptyResult.bind(this)}
          renderBackButton={() => null}
          renderEmpty={this.renderEmpty.bind(this)}

          rowHeight={rowHeight}

          toolbarBackgroundColor={'#2196f3'}
          title='Search List Demo'
          cancelTitle='取消'
          onClickBack={() => {}}

          searchListBackgroundColor={'#2196f3'}

          searchBarToggleDuration={300}

          searchInputBackgroundColor={'#0069c0'}
          searchInputBackgroundColorActive={'#6ec6ff'}
          searchInputPlaceholderColor={'#FFF'}
          searchInputTextColor={'#FFF'}
          searchInputTextColorActive={'#000'}
          searchInputPlaceholder='Search'
          sectionIndexTextColor={'#6ec6ff'}
          searchBarBackgroundColor={'#2196f3'}
        />
      </View>
    )
  }
}
```
## APIs

prop name | type | description | default value
--- | --- | --- | --- 
data | array | The rows of list view.each object should contain `searchStr`, it will be used for search source. If you have custom row id,you should set `searchKey` for each object. | 
renderRow | number | Render your custom row content. | 
rowHeight | number | The height of the default row content, it will be used for scroll calculate. | `40`
sectionHeaderHeight | number | The height of section header content. | `24`
searchListBackgroundColor | string | BackgroundColor for searchList. | `#171a23`
toolbarBackgroundColor | string | Toolbar background color. | `#171a23`
searchBarToggleDuration | number | Custom search bar animation duration. | `300`
searchBarBackgroundColor | string | Custom search bar background color. | `#171a23`
searchInputBackgroundColor | string | Custom search input default state background color. | 
searchInputBackgroundColorActive | string | Custom search input searching state background color. | 
searchInputPlaceholder | string | Custom search input placeholder text. | 
searchInputPlaceholderColor | string | Custom search input placeholder text color. | 
searchInputTextColor | string | Custom search input default state text color. | 
searchInputTextColorActive | string | Custom search input searching state text color. | 
searchBarBackgroundColor | string | Custom search bar background color. | 
title | string | Toolbar title. | 
titleTextColor | string | Toolbar title text color. | 
cancelTextColor | string | Search bar cancel text color. | 
cancelTitle | string | Search bar cancel text color. | 
sectionIndexTextColor | string | Section index text color. | 
hideSectionList | bool | Whether to hide the alphabetical section listing view or not. |
renderSectionIndexItem | func | Custom render SectionIndexItem. |
sortFunc | func | The sort function for the list view data source,sorting alphabetical by default  |
resultSortFunc | func | The sort function for the search result,sorting first match position by default |
onScrollToSection | func | The callback of alphabetical section view be clicked or touch. |
renderBackButton | func | Render a custom back buttom on Toolbar. |
renderEmpty | func | Render a view when data is empty.  |
renderEmptyResult | func | Render a view when search result is empty.  |
renderSeparator | func | Render row separator. |
renderSectionHeader | func | `renderSectionHeader` for the internal ListView  |
renderHeader | func | `renderHeader` for the internal ListView |
renderFooter | func | `renderFooter` for the internal ListView  |
renderRow | func | `renderRow` for the internal ListView |
onSearchStart | func | Callback when searching start. |
onSearchEnd | func | Callback when searching end. |


## Thanks
* [js-pinyin](https://github.com/waterchestnut/pinyin)
* [md5](https://github.com/pvorb/node-md5)
* [react-native-selectablesectionlistview](https://github.com/johanneslumpe/react-native-selectablesectionlistview)

## TODO 
1. ~~add hightlight demo~~
1. ~~test ios & android & android with status bar and without~~

## License
This library is distributed under MIT Licence.