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feature: getCurrentCode called when change focus and return code #22

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11 changes: 6 additions & 5 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ render() {
inputPosition='left'
onFulfill={(code) => this._onFulfill(code)}
/>

<CodeInput
ref="codeInputRef2"
secureTextEntry
Expand All @@ -59,7 +59,7 @@ render() {
containerStyle={{ marginTop: 30 }}
codeInputStyle={{ borderWidth: 1.5 }}
/>

<CodeInput
ref="codeInputRef2"
keyboardType="numeric"
Expand Down Expand Up @@ -92,14 +92,15 @@ Prop | Type | Default | Description
`autoFocus` | boolean | `true` | auto focus on code input
`codeInputStyle` | style object | | custom style for code input
`containerStyle` | style object | | custom style for code input container
`getCurrentCode` | function | | callback function called when change focus and return current code.
`onFulfill` | function | | callback function called when fulfilling code. If `compareWithCode` is null -> return `(code)` in callback, else return `(isValid, code)`. **Required**

## functions
clear input:
```javascript
this.refs.refName.clear();
...
<CodeInput
<CodeInput
...
ref="refName"
/>
Expand All @@ -115,5 +116,5 @@ react-native run-ios / react-native run-android
## License

react-native-confirmation-code-input is released under the MIT license. See [LICENSE](LICENSE) for details.
Any question or support will welcome.

Any question or support will welcome.
59 changes: 32 additions & 27 deletions components/ConfirmationCodeInput.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,9 @@ export default class ConfirmationCodeInput extends Component {
codeInputStyle: TextInput.propTypes.style,
containerStyle: viewPropTypes.style,
onFulfill: PropTypes.func,
getCurrentCode: PropTypes.func,
};

static defaultProps = {
codeLength: 5,
inputPosition: 'center',
Expand All @@ -37,48 +38,50 @@ export default class ConfirmationCodeInput extends Component {
compareWithCode: '',
ignoreCase: false
};

constructor(props) {
super(props);

this.state = {
codeArr: new Array(this.props.codeLength).fill(''),
currentIndex: 0
};

this.codeInputRefs = [];
}

componentDidMount() {
const { compareWithCode, codeLength, inputPosition } = this.props;
if (compareWithCode && compareWithCode.length !== codeLength) {
console.error("Invalid props: compareWith length is not equal to codeLength");
}

if (_.indexOf(['center', 'left', 'right', 'full-width'], inputPosition) === -1) {
console.error('Invalid input position. Must be in: center, left, right, full');
}
}

clear() {
this.setState({
codeArr: new Array(this.props.codeLength).fill(''),
currentIndex: 0
});
this._setFocus(0);
}

_setFocus(index) {
this.codeInputRefs[index].focus();
}

_blur(index) {
this.codeInputRefs[index].blur();
}

_onFocus(index) {
let newCodeArr = _.clone(this.state.codeArr);
const currentEmptyIndex = _.findIndex(newCodeArr, c => !c);
const { getCurrentCode } = this.props;

if (currentEmptyIndex !== -1 && currentEmptyIndex < index) {
return this._setFocus(currentEmptyIndex);
}
Expand All @@ -87,20 +90,22 @@ export default class ConfirmationCodeInput extends Component {
newCodeArr[i] = '';
}
}


getCurrentCode(newCodeArr.join(''));

this.setState({
codeArr: newCodeArr,
currentIndex: index
})
}

_isMatchingCode(code, compareWithCode, ignoreCase = false) {
if (ignoreCase) {
return code.toLowerCase() == compareWithCode.toLowerCase();
}
return code == compareWithCode;
}

_getContainerStyle(size, position) {
switch (position) {
case 'left':
Expand All @@ -125,7 +130,7 @@ export default class ConfirmationCodeInput extends Component {
}
}
}

_getInputSpaceStyle(space) {
const { inputPosition } = this.props;
switch (inputPosition) {
Expand All @@ -149,14 +154,14 @@ export default class ConfirmationCodeInput extends Component {
};
}
}

_getClassStyle(className, active) {
const { cellBorderWidth, activeColor, inactiveColor, space } = this.props;
let classStyle = {
...this._getInputSpaceStyle(space),
color: activeColor
};

switch (className) {
case 'clear':
return _.merge(classStyle, { borderWidth: 0 });
Expand Down Expand Up @@ -192,23 +197,23 @@ export default class ConfirmationCodeInput extends Component {
return className;
}
}

_onKeyPress(e) {
if (e.nativeEvent.key === 'Backspace') {
const { currentIndex } = this.state;
const nextIndex = currentIndex > 0 ? currentIndex - 1 : 0;
this._setFocus(nextIndex);
}
}

_onInputCode(character, index) {
const { codeLength, onFulfill, compareWithCode, ignoreCase } = this.props;
let newCodeArr = _.clone(this.state.codeArr);
newCodeArr[index] = character;

if (index == codeLength - 1) {
const code = newCodeArr.join('');

if (compareWithCode) {
const isMatching = this._isMatchingCode(code, compareWithCode, ignoreCase);
onFulfill(isMatching, code);
Expand All @@ -220,15 +225,15 @@ export default class ConfirmationCodeInput extends Component {
} else {
this._setFocus(this.state.currentIndex + 1);
}

this.setState(prevState => {
return {
codeArr: newCodeArr,
currentIndex: prevState.currentIndex + 1
};
});
}

render() {
const {
codeLength,
Expand All @@ -240,12 +245,12 @@ export default class ConfirmationCodeInput extends Component {
size,
activeColor
} = this.props;

const initialCodeInputStyle = {
width: size,
height: size
};

let codeInputs = [];
for (let i = 0; i < codeLength; i++) {
const id = i;
Expand All @@ -254,8 +259,8 @@ export default class ConfirmationCodeInput extends Component {
key={id}
ref={ref => (this.codeInputRefs[id] = ref)}
style={[
styles.codeInput,
initialCodeInputStyle,
styles.codeInput,
initialCodeInputStyle,
this._getClassStyle(className, this.state.currentIndex == id),
codeInputStyle
]}
Expand All @@ -273,7 +278,7 @@ export default class ConfirmationCodeInput extends Component {
/>
)
}

return (
<View style={[styles.container, this._getContainerStyle(size, inputPosition), containerStyle]}>
{codeInputs}
Expand Down
1 change: 1 addition & 0 deletions index.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ declare module "react-native-confirmation-code-input" {
codeInputStyle?: any,
containerStyle?: any;
onFulfill: Function;
getCurrentCode?: Function;
}

export default class CodeInput extends React.Component<CodeInputProps, any> { }
Expand Down