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Update index.js #4

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Update index.js #4

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2dff75f
Update index.js
bairock May 10, 2019
aa5c02b
purification (removing styled-components)
bairock May 10, 2019
c2d87e1
Update index.js
bairock May 10, 2019
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97 changes: 57 additions & 40 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
import React from 'react';
import styled from 'styled-components';
import {
View,
Text,
Expand All @@ -9,30 +8,48 @@ import {
} from 'react-native';
import PropTypes from 'prop-types';

const Container = styled.View`
height: ${props => props.wrapperHeight};
flex: 1;
overflow: hidden;
align-self: center;
width: ${props => props.wrapperWidth};
background-color: ${props => props.wrapperBackground};
`;
export const HighLightView = styled.View`
position: absolute;
top: ${props => (props.wrapperHeight - props.itemHeight) / 2};
height: ${props => props.itemHeight};
width: ${props => props.highlightWidth};
border-top-color: ${props => props.highlightColor};
border-bottom-color: ${props => props.highlightColor};
border-top-width: ${props => props.highlightBorderWidth}px;
border-bottom-width: ${props => props.highlightBorderWidth}px;
`;
export const SelectedItem = styled.View`
height: 30px;
justify-content: center;
align-items: center;
height: ${props => props.itemHeight};
`;
const Container = props => {
const style = {
height: props.wrapperHeight,
flex: 1,
overflow: 'hidden',
alignSelf: 'center',
width: props.wrapperWidth,
backgroundColor: props.wrapperBackground
}
return (
<View style={style}>
{props.children}
</View>
)
};

export const HighLightView = props => {
return <View style={{
position: 'absolute',
top: (props.wrapperHeight - props.itemHeight) / 2,
height: props.itemHeight,
width: props.highlightWidth,
borderTopColor: props.highlightColor,
borderBottomColor: props.highlightColor,
borderTopWidth: props.highlightBorderWidth,
borderBottomWidth: props.highlightBorderWidth
}} />
};

export const SelectedItem = props => {
const style = {
height: props.itemHeight,
justifyContent: 'center',
alignItems: 'center',
}
return (
<View style={style}>
{props.children}
</View>
)
};

const deviceWidth = Dimensions.get('window').width;
export default class ScrollPicker extends React.Component {
constructor() {
Expand All @@ -47,7 +64,7 @@ export default class ScrollPicker extends React.Component {
}

componentDidMount() {
if (this.props.selectedIndex) {
if (this.props.selectedIndex !== null) {
this.scrollToIndex(this.props.selectedIndex);
}
}
Expand All @@ -59,15 +76,15 @@ export default class ScrollPicker extends React.Component {
}

render() {
const {header, footer} = this.renderPlaceHolder();
const { header, footer } = this.renderPlaceHolder();
return (
<Container wrapperHeight={this.props.wrapperHeight} wrapperWidth={this.props.wrapperWidth}
wrapperBackground={this.props.wrapperBackground}>
wrapperBackground={this.props.wrapperBackground}>
<HighLightView highlightColor={this.props.highlightColor}
highlightWidth={this.props.highlightWidth}
wrapperHeight={this.props.wrapperHeight}
itemHeight={this.props.itemHeight}
highlightBorderWidth={this.props.highlightBorderWidth}/>
highlightWidth={this.props.highlightWidth}
wrapperHeight={this.props.wrapperHeight}
itemHeight={this.props.itemHeight}
highlightBorderWidth={this.props.highlightBorderWidth} />
<ScrollView
ref={(sview) => {
this.sview = sview;
Expand All @@ -90,9 +107,9 @@ export default class ScrollPicker extends React.Component {

renderPlaceHolder() {
const height = (this.props.wrapperHeight - this.props.itemHeight) / 2;
const header = <View style={{height, flex: 1}}></View>;
const footer = <View style={{height, flex: 1}}></View>;
return {header, footer};
const header = <View style={{ height, flex: 1 }}></View>;
const footer = <View style={{ height, flex: 1 }}></View>;
return { header, footer };
}

renderItem(data, index) {
Expand Down Expand Up @@ -120,7 +137,7 @@ export default class ScrollPicker extends React.Component {
this.isScrollTo = true;
}
if (this.sview) {
this.sview.scrollTo({y: verticalElem});
this.sview.scrollTo({ y: verticalElem });
}
}
if (this.state.selectedIndex === selectedIndex) {
Expand Down Expand Up @@ -192,7 +209,7 @@ export default class ScrollPicker extends React.Component {
const y = this.props.itemHeight * ind;
setTimeout(() => {
if (this.sview) {
this.sview.scrollTo({y});
this.sview.scrollTo({ y });
}
}, 0);
}
Expand Down Expand Up @@ -228,6 +245,6 @@ ScrollPicker.defaultProps = {
},
onScrollEndDrag: () => {
},
itemTextStyle: {fontSize: 20, lineHeight: 26, textAlign: 'center', color: '#B4B4B4'},
activeItemTextStyle: {fontSize: 20, lineHeight: 26, textAlign: 'center', color: '#222121'}
};
itemTextStyle: { fontSize: 20, lineHeight: 26, textAlign: 'center', color: '#B4B4B4' },
activeItemTextStyle: { fontSize: 20, lineHeight: 26, textAlign: 'center', color: '#222121' }
};