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Derek Anderson
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,6 +8,7 @@ class styler { | |
| element.style[key] = value; | ||
| } | ||
| } | ||
| element.style.overflow = 'hidden'; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import { | ||
| Component, | ||
| Render, | ||
| View, | ||
| Dimensions, | ||
| Animated, | ||
| Text, | ||
| Button, | ||
| Image, | ||
| TouchableOpacity, | ||
| LinearGradient, | ||
| PixelRatio, | ||
| Platform, | ||
| NativeModules | ||
| } from '../index'; | ||
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| import { Styles } from './styles'; | ||
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| const operations = { | ||
| '+' : (oldValue, newValue) => { | ||
| return oldValue*1 + newValue*1; | ||
| }, | ||
| '-' : (oldValue, newValue) => { | ||
| return oldValue*1 - newValue*1; | ||
| }, | ||
| 'x' : (oldValue, newValue) => { | ||
| return oldValue * newValue; | ||
| }, | ||
| '/' : (oldValue, newValue) => { | ||
| return oldValue / newValue; | ||
| } | ||
| }; | ||
|
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| class SyrCalculator extends Component { | ||
| constructor() { | ||
| super(); | ||
| this.state.displayAreaValue = '0'; | ||
| this.state.calculations = []; | ||
| } | ||
| render() { | ||
| return ( | ||
| <View style={Styles.mainView}> | ||
| <Text style={Styles.displayArea}>{this.state.displayAreaValue}</Text> | ||
| <View style={Styles.buttons}> | ||
| <Button onPress={()=>{this.onPressHandler(1)}} style={Styles.numButton(1)}>1</Button> | ||
| <Button onPress={()=>{this.onPressHandler(2)}} style={Styles.numButton(2)}>2</Button> | ||
| <Button onPress={()=>{this.onPressHandler(3)}} style={Styles.numButton(3)}>3</Button> | ||
| <Button onPress={()=>{this.onPressHandler(4)}} style={Styles.numButton(4)}>4</Button> | ||
| <Button onPress={()=>{this.onPressHandler(5)}} style={Styles.numButton(5)}>5</Button> | ||
| <Button onPress={()=>{this.onPressHandler(6)}} style={Styles.numButton(6)}>6</Button> | ||
| <Button onPress={()=>{this.onPressHandler(7)}} style={Styles.numButton(7)}>7</Button> | ||
| <Button onPress={()=>{this.onPressHandler(8)}} style={Styles.numButton(8)}>8</Button> | ||
| <Button onPress={()=>{this.onPressHandler(9)}} style={Styles.numButton(9)}>9</Button> | ||
| </View> | ||
| <Button onPress={()=>{this.onPressHandler('+')}} style={Styles.plus}>+</Button> | ||
| </View> | ||
| ); | ||
| } | ||
| calculate() { | ||
| let runningValue = 0; | ||
| this.state.calculations.forEach( (element, index) => { | ||
| if(isNaN(element*1)) { | ||
| let prev = this.state.calculations[index-1]; | ||
| let next = this.state.calculations[index+1]; | ||
|
|
||
| if(prev && next) { | ||
| prev = index > 0 ? runningValue : prev; | ||
| runningValue = operations[element](prev, next); | ||
| } | ||
| } | ||
| }); | ||
| return runningValue; | ||
| } | ||
| onPressHandler(btn) { | ||
| let displayAreaValue; | ||
|
|
||
| if(this.state.clearNextEntry) { | ||
| this.state.clearNextEntry = false; | ||
| this.state.displayAreaValue = ''; | ||
| } | ||
|
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| if(operations[btn]) { | ||
| if(this.state.displayAreaValue.length > 0) { | ||
| this.state.calculations.push(this.state.displayAreaValue); | ||
| } | ||
| this.state.calculations.push(btn); | ||
| this.state.clearNextEntry = true; | ||
| displayAreaValue = this.state.displayAreaValue; | ||
| this.calculate(); | ||
| } else { | ||
| displayAreaValue = this.state.displayAreaValue == '0' ? '' : this.state.displayAreaValue; | ||
| displayAreaValue = displayAreaValue + '' + btn | ||
| } | ||
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| this.setState({ | ||
| displayAreaValue: displayAreaValue | ||
| }) | ||
| } | ||
| } | ||
|
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| Render(SyrCalculator); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| import { | ||
| Dimensions, | ||
| PixelRatio | ||
| } from '../../index'; | ||
| PixelRatio.setBaseScreenSize(PixelRatio.baseDisplays.iPhoneSE); | ||
|
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||
| const Styles = { | ||
| mainView: { | ||
| width: Dimensions.get('window').width, | ||
| height: Dimensions.get('window').height, | ||
| backgroundColor: '#aaaaaa' | ||
| }, | ||
| buttons: { | ||
| width: PixelRatio.getPixelSizeForLayoutSize(600), | ||
| height: PixelRatio.getPixelSizeForLayoutSize(600), | ||
| top: PixelRatio.getPixelSizeForLayoutSize(200) | ||
| }, | ||
| numButton: function (number) { | ||
| const row = Math.floor(number / 3) - (number % 3 ? 0 : 1); | ||
| const col = number % 3 ? number % 3 : 3; // 0, 1, 2 | ||
| const width = Dimensions.get('window').width / 5; | ||
| const height = Dimensions.get('window').height / 7; | ||
| const padding = PixelRatio.getPixelSizeForLayoutSize(10); | ||
|
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| const left = ((col - 1) * width) + (padding * col); | ||
| const top = (row * height) + (padding * row); | ||
|
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| return { | ||
| height: height, | ||
| width: width, | ||
| backgroundColor: '#eeeeee', | ||
| left: left, | ||
| top: top | ||
| } | ||
| }, | ||
| displayArea: { | ||
| textAlign: 'right', | ||
| height: PixelRatio.getPixelSizeForLayoutSize(125), | ||
| top: PixelRatio.getPixelSizeForLayoutSize(50), | ||
| left: PixelRatio.getPixelSizeForLayoutSize(10), | ||
| width: Dimensions.get('window').width - PixelRatio.getPixelSizeForLayoutSize(20), | ||
| backgroundColor: '#dedede', | ||
| fontSize: PixelRatio.getPixelSizeForLayoutSize(105) | ||
| }, | ||
| plus: { | ||
| width: PixelRatio.getPixelSizeForLayoutSize(200), | ||
| height: PixelRatio.getPixelSizeForLayoutSize(200), | ||
| backgroundColor: "#f49b42", | ||
| fontSize: PixelRatio.getPixelSizeForLayoutSize(60), | ||
| left:Dimensions.get('window').width - PixelRatio.getPixelSizeForLayoutSize(200) -PixelRatio.getPixelSizeForLayoutSize(10), | ||
| top: PixelRatio.getPixelSizeForLayoutSize(200) | ||
| } | ||
| } | ||
|
|
||
| export { | ||
| Styles | ||
| } |
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