add calculator-react

calculator-react/src/Add.js

@@ -0,0 +1,78 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faPlus } from "@fortawesome/free-solid-svg-icons";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Add extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fourthColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'+');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fourthColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 5,
+      gridColumnEnd: 6,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridColumnStart'] = 4;
+      style['gridColumnEnd'] = 5;
+      style['borderRight'] = 'unset';
+      style['borderBottom'] = '3px solid black';
+    }
+
+    return (
+      <div id="add" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>
+        <FontAwesomeIcon icon={faPlus}/>
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Add);

calculator-react/src/App.css

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+.App {
+  text-align: center;
+}

calculator-react/src/App.js

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+import React from 'react';
+import { connect } from "react-redux";
+
+import Calculator from './Calculator';
+import { colors } from './globals'
+
+import { innerWindowWidthAction } from "./actions/innerWindowWidthAction";
+import { innerWindowHeightAction } from "./actions/innerWindowHeightAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  innerWindowWidthAction: (windowInnerWidth) => dispatch(innerWindowWidthAction(windowInnerWidth)),
+  innerWindowHeightAction: (windowInnerHeight) => dispatch(innerWindowHeightAction(windowInnerHeight)),
+});
+
+class App extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleResize = this.handleResize.bind(this);
+  };
+
+  handleResize() {
+    this.props.innerWindowWidthAction(window.innerWidth);
+    this.props.innerWindowHeightAction(window.innerHeight);
+  };
+
+  componentDidMount() {
+    window.addEventListener('resize',this.handleResize);
+  };
+
+  componentWillUnmount() {
+    window.removeEventListener('resize',this.handleResize);
+  };
+
+  render() {
+    const height = this.props.innerWindowHeight;
+    const width = this.props.innerWindowWidth;
+    const gitHubLabelStyle = {
+      backgroundColor: colors.firstColor,
+      border: 'none',
+      width: 149,
+      height: 0,
+      position: 'absolute',
+      right: 0,
+    };
+
+    const attachmentStyle = {
+      position: 'absolute',
+      right: 0,
+      height: 149,
+      width: 149,
+    };
+
+    const style = {
+      textAlign: 'center',
+      backgroundColor: colors.firstColor,
+      height: '100vh',
+      width: '100vw',
+      display: 'flex',
+      color: colors.textColor,
+      overFlow: 'hidden',
+    };
+
+    if (width > height && height < 400) {
+      gitHubLabelStyle['width'] = 99;
+      attachmentStyle['width'] = 99;
+      attachmentStyle['height'] = 99;
+    } else if (height > width) {
+      gitHubLabelStyle['width'] = 99;
+      attachmentStyle['width'] = 99;
+      attachmentStyle['height'] = 99;
+    }
+
+    return (
+      <div style={style}>
+      <a href="https://github.com/TrentSPalmer/fcc-challenges/tree/gh-pages/calculator-react"
+        style={gitHubLabelStyle}
+        target="_blank" rel="noopener noreferrer">
+      <img
+        src="https://github.blog/wp-content/uploads/2008/12/forkme_right_white_ffffff.png?resize=149%2C149"
+        className="size-full"
+        style={attachmentStyle}
+        alt="Fork me on GitHub"
+        data-recalc-dims="1">
+      </img>
+      </a>
+      <Calculator />
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(App);

calculator-react/src/App.test.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  const { getByText } = render(<App />);
+  const linkElement = getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

calculator-react/src/Back.js

@@ -0,0 +1,79 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faBackspace } from "@fortawesome/free-solid-svg-icons";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Back extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fourthColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'b');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fourthColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 6,
+      gridColumnEnd: 7,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 2;
+      style['gridRowEnd'] = 3;
+      style['gridColumnStart'] = 2;
+      style['gridColumnEnd'] = 3;
+      style['borderRight'] = '3px solid black';
+    }
+
+    return (
+      <div id="subtract" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>
+        <FontAwesomeIcon icon={faBackspace}/>
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Back);

calculator-react/src/Calculator.js

@@ -0,0 +1,104 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import CalculatorGrid from './CalculatorGrid';
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Calculator extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleKeyPress = this.handleKeyPress.bind(this);
+    this.handleKey= this.handleKey.bind(this);
+  };
+
+  handleKey(key) {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,key);
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleKeyPress(e) {
+    if (e.keyCode === 8 || e.keyCode === 46) {
+      this.handleKey('b');
+    } else if (['0','1','2','3','4','5','6','7','8','9','.','*','+','-','='].includes(e.key)) {
+      this.handleKey(e.key);
+    } else if (e.key === '/') {
+      e.preventDefault();
+      this.handleKey(e.key);
+    } else if (e.keyCode === 13) {
+      this.handleKey('=');
+    } else if (e.keyCode === 27) {
+      this.props.inputStringAction('');
+      this.props.operationStringAction('');
+    }
+  };
+
+  componentDidMount() {
+    document.addEventListener("keydown", this.handleKeyPress, false);
+  };
+
+  componentWillUnmount() {
+    document.removeEventListener("keydown", this.handleKeyPress, false);
+  };
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const topMargin = Math.round(height * 0.1);
+    const sideMargin = Math.round(width * 0.1);
+    const style = {
+      height: '80%',
+      width: '80%',
+      backgroundColor: colors.secondColor,
+      borderRadius: 10,
+      marginTop: topMargin,
+      marginBottom: topMargin,
+      marginLeft: sideMargin,
+      marginRight: sideMargin,
+      overFlow: 'hidden',
+      border: '3px solid black',
+      userSelect: 'none',
+      MozUserSelect: 'none',
+      WebkitUserSelect: 'none',
+      zIndex: '1',
+      fontFamily: 'Baloo Bhai',
+    };
+
+    if (width > height && height < 400) {
+      style['height'] = '96vh';
+      style['width'] = '80vw';
+      style['marginTop'] = '1vh';
+      style['marginBottom'] = '3vh';
+      style['marginLeft'] = '89px';
+      style['marginRight'] = '89px';
+    } else if (height > width) {
+      style['height'] = '75vh';
+      style['width'] = '100vw';
+      style['marginTop'] = '12vh';
+      style['marginBottom'] = 'unset';
+      style['marginLeft'] = '0px';
+      style['marginRight'] = '0px';
+    }
+
+    return (
+      <div id="Calculator" style={style}>
+        <CalculatorGrid />
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Calculator);

calculator-react/src/CalculatorGrid.js

@@ -0,0 +1,72 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import Seven from './Seven';
+import Eight from './Eight';
+import Nine from './Nine';
+import Four from './Four';
+import Five from './Five';
+import Six from './Six';
+import One from './One';
+import Two from './Two';
+import Three from './Three';
+import Zero from './Zero';
+import Decimal from './Decimal';
+import Clear from './Clear';
+import Divide from './Divide';
+import Multiply from './Multiply';
+import Subtract from './Subtract';
+import Add from './Add';
+import Equals from './Equals';
+import Display from './Display';
+import Back from './Back';
+const mapStateToProps = (state) => ({ ...state });
+
+class CalculatorGrid extends React.Component {
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      display: 'grid',
+      width: '100%',
+      height: '100%',
+      gridTemplateRows: 'repeat(4, 1fr)',
+      gridTemplateColumns: 'repeat(6, 1fr)',
+      fontSize: 64,
+    };
+
+    if (width > height && height < 400) {
+      style['fontSize'] = 48;
+    } else if (height > width) {
+      style['gridTemplateRows'] = 'repeat(6, 1fr)';
+      style['gridTemplateColumns'] = 'repeat(4, 1fr)';
+      style['fontSize'] = 48;
+    }
+
+    return (
+      <div id="CalculatorGrid" style={style}>
+        <Seven />
+        <Eight />
+        <Nine />
+        <Four />
+        <Five />
+        <Six />
+        <One />
+        <Two />
+        <Three />
+        <Zero />
+        <Decimal />
+        <Clear />
+        <Divide />
+        <Multiply />
+        <Subtract />
+        <Add />
+        <Equals />
+        <Display />
+        <Back />
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps)(CalculatorGrid);

calculator-react/src/Clear.js

@@ -0,0 +1,60 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Clear extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fifthColor,
+    };
+  };
+
+  handleClick() {
+    this.props.inputStringAction('');
+    this.props.operationStringAction('');
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.secondColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fifthColor});
+    }
+  }
+
+  render() {
+    const style = {
+      gridColumnStart: 1,
+      gridColumnEnd: 2,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderRight: '3px solid black',
+      borderBottom: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor, 
+    };
+
+    return (
+      <div id="clear" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>AC</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Clear);

calculator-react/src/Decimal.js

@@ -0,0 +1,75 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Decimal extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'.');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 1,
+      gridColumnEnd: 2,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderRight: '3px solid black',
+      borderBottom: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 6;
+      style['gridRowEnd'] = 7;
+      style['gridColumnStart'] = 3;
+      style['gridColumnEnd'] = 4;
+      style['borderBottom'] = 'unset';
+    }
+
+    return (
+      <div id="decimal" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>.</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Decimal);

calculator-react/src/Display.js

@@ -0,0 +1,40 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors } from './globals'
+import DisplayInput from './DisplayInput';
+import DisplayOperations from './DisplayOperations';
+const mapStateToProps = (state) => ({ ...state });
+
+class Display extends React.Component {
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 1,
+      gridColumnEnd: 7,
+      gridRowStart: 1,
+      gridRowEnd: 2,
+      borderBottom: '3px solid black',
+      backgroundColor: colors.textColor,
+      borderRadius: '7px 7px 0 0',
+      color: colors.firstColor,
+      textOverflow: 'clip',
+      whiteSpace: 'nowrap',
+      overflow: 'hidden',
+    };
+
+    if (height > width) {
+      style['gridColumnEnd'] = 5;
+    }
+
+    return (
+      <div style={style}>
+        <DisplayOperations />
+        <DisplayInput />
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps)(Display);

calculator-react/src/DisplayInput.js

@@ -0,0 +1,34 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+const mapStateToProps = (state) => ({ ...state });
+
+class DisplayInput extends React.Component {
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      textAlign: 'right',
+      height: '60%',
+      fontSize: 64,
+      lineHeight: '100%',
+    };
+
+    if (width > height && height < 400) {
+      style['fontSize'] = 36;
+    } else if (height > width && height < 850) {
+      style['fontSize'] = 36;
+    }
+
+    return (
+      <div id="display" style={style}>{
+        this.props.inputString.length === 0 ? 0 : this.props.inputString
+      }</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps)(DisplayInput);

calculator-react/src/DisplayOperations.js

@@ -0,0 +1,36 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { colors } from './globals'
+
+const mapStateToProps = (state) => ({ ...state });
+
+class DisplayOperations extends React.Component {
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      textAlign: 'right',
+      height: '40%',
+      fontSize: 48,
+      lineHeight: '100%',
+      color: colors.secondtextColor,
+    };
+
+    if (width > height && height < 400) {
+      style['fontSize'] = 27;
+    } else if (height > width && height < 850) {
+      style['fontSize'] = 27;
+    }
+
+    return (
+      <div id="displayOperations" style={style}>{
+        this.props.operationString.length === 0 ? 0 : this.props.operationString
+      }</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps)(DisplayOperations);

calculator-react/src/Divide.js

@@ -0,0 +1,77 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faDivide } from "@fortawesome/free-solid-svg-icons";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Divide extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fourthColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'/');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fourthColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 5,
+      gridColumnEnd: 6,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridColumnStart'] = 3;
+      style['gridColumnEnd'] = 4;
+    }
+
+    return (
+      <div id="divide" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>
+        <FontAwesomeIcon icon={faDivide}/>
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Divide);

calculator-react/src/Eight.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Eight extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'8');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 3,
+      gridColumnEnd: 4,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 3;
+      style['gridRowEnd'] = 4;
+      style['gridColumnStart'] = 2;
+      style['gridColumnEnd'] = 3;
+    }
+
+    return (
+      <div id="eight" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>8</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Eight);

calculator-react/src/Equals.js

@@ -0,0 +1,77 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Equals extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.thirdColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'=');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.thirdColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 6,
+      gridColumnEnd: 7,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+      borderRadius: '0 0 7px 0',
+      fontSize: 88,
+    };
+
+    if (width > height && height < 400) {
+      style['fontSize'] = 56;
+    } else if (height > width) {
+      style['gridColumnStart'] = 4;
+      style['gridColumnEnd'] = 5;
+      style['gridRowStart'] = 5;
+      style['gridRowEnd'] = 7;
+    }
+
+    return (
+      <div id="equals" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>=</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Equals);

calculator-react/src/Five.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Five extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'5');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 3,
+      gridColumnEnd: 4,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 4;
+      style['gridRowEnd'] = 5;
+      style['gridColumnStart'] = 2;
+      style['gridColumnEnd'] = 3;
+    }
+
+    return (
+      <div id="five" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>5</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Five);

calculator-react/src/Four.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Four extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'4');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 2,
+      gridColumnEnd: 3,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 4;
+      style['gridRowEnd'] = 5;
+      style['gridColumnStart'] = 1;
+      style['gridColumnEnd'] = 2;
+    }
+
+    return (
+      <div id="four" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>4</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Four);

calculator-react/src/Multiply.js

@@ -0,0 +1,76 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faTimes } from "@fortawesome/free-solid-svg-icons";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Multiply extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fourthColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'*');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fourthColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 6,
+      gridColumnEnd: 7,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderBottom: '3px solid black',
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridColumnStart'] = 4;
+      style['gridColumnEnd'] = 5;
+    }
+
+    return (
+      <div id="multiply" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>
+        <FontAwesomeIcon icon={faTimes}/>
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Multiply);

calculator-react/src/Nine.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Nine extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'9');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 4,
+      gridColumnEnd: 5,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 3;
+      style['gridRowEnd'] = 4;
+      style['gridColumnStart'] = 3;
+      style['gridColumnEnd'] = 4;
+    }
+
+    return (
+      <div id="nine" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>9</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Nine);

calculator-react/src/One.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class One extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'1');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 2,
+      gridColumnEnd: 3,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 5;
+      style['gridRowEnd'] = 6;
+      style['borderBottom'] = '3px solid black';
+      style['gridColumnStart'] = 1;
+      style['gridColumnEnd'] = 2;
+    }
+
+    return (
+      <div id="one" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>1</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(One);

calculator-react/src/Plus.js

@@ -0,0 +1,34 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+const mapStateToProps = (state) => ({ ...state });
+
+class Minus extends React.Component {
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 5,
+      gridColumnEnd: 6,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+    };
+
+    if (height > width) {
+      style['gridColumnStart'] = 4;
+      style['gridColumnEnd'] = 5;
+      style['borderRight'] = 'unset';
+    }
+
+    return (
+      <div id="minus" style={style}>-</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps)(Minus);

calculator-react/src/Seven.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Seven extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'7');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 2,
+      gridColumnEnd: 3,
+      gridRowStart: 2,
+      gridRowEnd: 3,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 3;
+      style['gridRowEnd'] = 4;
+      style['gridColumnStart'] = 1;
+      style['gridColumnEnd'] = 2;
+    }
+
+    return (
+      <div id="seven" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>7</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Seven);

calculator-react/src/Six.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Six extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'6');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 4,
+      gridColumnEnd: 5,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 4;
+      style['gridRowEnd'] = 5;
+      style['gridColumnStart'] = 3;
+      style['gridColumnEnd'] = 4;
+    }
+
+    return (
+      <div id="six" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>6</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Six);

calculator-react/src/Subtract.js

@@ -0,0 +1,78 @@
+import React from 'react';
+import { connect } from "react-redux";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faMinus } from "@fortawesome/free-solid-svg-icons";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Subtract extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.fourthColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'-');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.fourthColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 5,
+      gridColumnEnd: 6,
+      gridRowStart: 3,
+      gridRowEnd: 4,
+      borderBottom: '3px solid black',
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'row',
+      justifyContent: 'center',
+      alignItems: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridColumnStart'] = 4;
+      style['gridColumnEnd'] = 5;
+      style['borderRight'] = 'unset';
+    }
+
+    return (
+      <div id="subtract" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>
+        <FontAwesomeIcon icon={faMinus}/>
+      </div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Subtract);

calculator-react/src/Three.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Three extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'3');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 4,
+      gridColumnEnd: 5,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 5;
+      style['gridRowEnd'] = 6;
+      style['borderBottom'] = '3px solid black';
+      style['gridColumnStart'] = 3;
+      style['gridColumnEnd'] = 4;
+    }
+
+    return (
+      <div id="three" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>3</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Three);

calculator-react/src/Two.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Two extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'2');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 3,
+      gridColumnEnd: 4,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 5;
+      style['gridRowEnd'] = 6;
+      style['borderBottom'] = '3px solid black';
+      style['gridColumnStart'] = 2;
+      style['gridColumnEnd'] = 3;
+    }
+
+    return (
+      <div id="two" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>2</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Two);

calculator-react/src/Zero.js

@@ -0,0 +1,74 @@
+import React from 'react';
+import { connect } from "react-redux";
+
+import { colors,makeInputAndOperationsStrings } from './globals'
+import { inputStringAction } from "./actions/inputStringAction";
+import { operationStringAction } from "./actions/operationStringAction";
+
+const mapStateToProps = (state) => ({ ...state });
+
+const mapDispatchToProps = (dispatch) => ({
+  inputStringAction: (inputString) => dispatch(inputStringAction(inputString)),
+  operationStringAction: (operationString) => dispatch(operationStringAction(operationString)),
+});
+
+class Zero extends React.Component {
+  constructor(props) {
+    super(props);
+    this.handleClick = this.handleClick.bind(this);
+    this.handleMouseEvent = this.handleMouseEvent.bind(this);
+    this.state = {
+      backgroundColor: colors.secondColor,
+    };
+  };
+
+  handleClick() {
+    const [inputString,operationString] = makeInputAndOperationsStrings(this.props.inputString,this.props.operationString,'0');
+    if (inputString !== this.props.inputString) {
+      this.props.inputStringAction(inputString);
+    }
+    if (operationString !== this.props.operationString) {
+      this.props.operationStringAction(operationString);
+    }
+  }
+
+  handleMouseEvent(e) {
+    if (e.type === 'mousedown' || e.type === 'touchstart') {
+      this.setState({backgroundColor: colors.firstColor});
+    } else if (e.type === 'mouseup' || e.type === 'touchend') {
+      this.setState({backgroundColor: colors.secondColor});
+    }
+  }
+
+  render() {
+    const width = this.props.innerWindowWidth;
+    const height = this.props.innerWindowHeight;
+    const style = {
+      gridColumnStart: 1,
+      gridColumnEnd: 2,
+      gridRowStart: 4,
+      gridRowEnd: 5,
+      borderRight: '3px solid black',
+      display: 'flex',
+      flexDirection: 'column',
+      justifyContent: 'center',
+      borderRadius: '0 0 0 7px',
+      backgroundColor: this.state.backgroundColor,
+    };
+
+    if (height > width) {
+      style['gridRowStart'] = 6;
+      style['gridRowEnd'] = 7;
+      style['gridColumnStart'] = 1;
+      style['gridColumnEnd'] = 3;
+    }
+
+    return (
+      <div id="zero" style={style} className='clickable' onClick={this.handleClick}
+        onTouchStart={this.handleMouseEvent} onTouchEnd={this.handleMouseEvent}
+        onMouseDown={this.handleMouseEvent} onMouseUp={this.handleMouseEvent}>0</div>
+    );
+  };
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(Zero);

calculator-react/src/actions/innerWindowHeightAction.js

@@ -0,0 +1,8 @@
+export const SETWINDOWINNERHEIGHT = "SETWINDOWINNERHEIGHT";
+
+export const innerWindowHeightAction = (windowInnerHeight) => {
+  return {
+    type: SETWINDOWINNERHEIGHT,
+    windowInnerHeight: windowInnerHeight,
+  };
+};

calculator-react/src/actions/innerWindowWidthAction.js

@@ -0,0 +1,8 @@
+export const SETWINDOWINNERWIDTH = "SETWINDOWINNERWIDTH";
+
+export const innerWindowWidthAction = (windowInnerWidth) => {
+  return {
+    type: SETWINDOWINNERWIDTH,
+    windowInnerWidth: windowInnerWidth,
+  };
+};

calculator-react/src/actions/inputStringAction.js

@@ -0,0 +1,8 @@
+export const SETINPUTSTRING = "SETINPUTSTRING";
+
+export const inputStringAction = (inputString) => {
+  return {
+    type: SETINPUTSTRING,
+    inputString: inputString,
+  };
+};

calculator-react/src/actions/operationStringAction.js

@@ -0,0 +1,8 @@
+export const SETOPERATIONSTRING = "SETOPERATIONSTRING";
+
+export const operationStringAction = (operationString) => {
+  return {
+    type: SETOPERATIONSTRING,
+    operationString: operationString,
+  };
+};

calculator-react/src/globals.js

@@ -0,0 +1,253 @@
+export const colors = {
+  firstColor: '#00293C',
+  secondColor: '#1e656d',
+  thirdColor: '#6d261e',
+  fourthColor: '#656d1e',
+  fifthColor: '#261e6d',
+  textColor: '#f1f3ce',
+  secondtextColor: '#f62a00',
+};
+
+const operators = ['*','/','-','+'];
+
+export const makeInputAndOperationsStrings = (inputString,operationString,nextChar) => {
+  let inputStringResult = inputString;
+  let tempOperationString = operationString.includes('=') ? operationString.split('=')[1] : operationString;
+  let operationStringResult = tempOperationString;
+
+  if (tempOperationString.length > 0 && ['*','/','+','-','='].includes(nextChar) && tempOperationString.slice(-1) === '.') {
+    tempOperationString = tempOperationString.slice(0,-1);
+  }
+
+  const numbers = ['1','2','3','4','5','6','7','8','9'];
+
+  if (numbers.includes(nextChar)) {
+    if (inputString.length === 0) {
+      inputStringResult = nextChar;
+      operationStringResult = tempOperationString + nextChar;
+    } else if (inputString.length === 1) {
+      if (inputString[0] === '0') {
+        inputStringResult = nextChar;
+        operationStringResult = tempOperationString.slice(0,-1) + nextChar;
+      } else if (inputString[0] === '-') {
+        if (tempOperationString.length === 1) {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = inputString + nextChar;
+        } else {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        }
+      } else if (['*','/','+'].includes(inputString[0])) {
+        inputStringResult = nextChar;
+        operationStringResult = tempOperationString + nextChar;
+      } else {
+        inputStringResult = inputString + nextChar;
+        operationStringResult = tempOperationString + nextChar;
+      }
+    } else if (inputString.length === 2) {
+      if (inputString[0] === '-') {
+        if (inputString[1] === '0') {
+          inputStringResult = '-' + nextChar;
+          operationStringResult = tempOperationString.slice(0,-1) + nextChar;
+        } else {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        }
+      } else {
+        inputStringResult = inputString + nextChar;
+        operationStringResult = tempOperationString + nextChar;
+      }
+    } else if (inputString.length > 2) {
+      inputStringResult = inputString + nextChar;
+      operationStringResult = tempOperationString + nextChar;
+    }
+  } else if (nextChar === '0') {
+    if (inputString.length === 0) {
+      inputStringResult = nextChar;
+      operationStringResult = tempOperationString + nextChar;
+    } else if (inputString.length === 1) {
+      if (inputString[0] !== '0') {
+        if (['*','/','+'].includes(inputString[0])) {
+          inputStringResult = nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        } else {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        }
+      }
+    } else if (inputString.length === 2) {
+      if (inputString[0] !== '-') {
+        inputStringResult = inputString + nextChar;
+        operationStringResult = tempOperationString + nextChar;
+      } else if (inputString[1] !== '0') {
+        inputStringResult = inputString + nextChar;
+        operationStringResult = tempOperationString + nextChar;
+      }
+    } else if (inputString.length > 2) {
+        inputStringResult = inputString + nextChar;
+        operationStringResult = tempOperationString + nextChar;
+    }
+  } else if (nextChar === '-') {
+    if (tempOperationString.length === 0) {
+      inputStringResult = nextChar;
+      operationStringResult = nextChar;
+    } else if (tempOperationString.length === 1) {
+      if (!operators.includes(tempOperationString[0])) {
+        inputStringResult = nextChar;
+        operationStringResult =  tempOperationString + nextChar;
+      }
+    } else {
+      inputStringResult = nextChar;
+      operationStringResult =  tempOperationString + nextChar;
+    }
+  } else if (['*','/','+'].includes(nextChar)) {
+    if (tempOperationString.length === 1) {
+      if (!operators.includes(tempOperationString.slice(-1))) {
+        operationStringResult = tempOperationString + nextChar;
+        inputStringResult = nextChar;
+      }
+    } else if (tempOperationString.length > 1) {
+      inputStringResult = nextChar;
+      operationStringResult = tempOperationString + nextChar;
+    }
+  } else if (nextChar === '.' && (!inputString.includes('.'))) {
+    if (inputString.length === 0) {
+      inputStringResult = '0.';
+      operationStringResult = tempOperationString + '0.';
+    } else if (inputString.length === 1) {
+      if (tempOperationString.length === 0) {
+        if (inputString[0] === '-') {
+          inputStringResult = '-0.';
+          operationStringResult = tempOperationString + '-0.';
+        } else {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        }
+      } else {
+        if (operators.includes(inputString[0])) {
+          inputStringResult = '0.';
+          operationStringResult = tempOperationString + '0.';
+        } else {
+          inputStringResult = inputString + nextChar;
+          operationStringResult = tempOperationString + nextChar;
+        }
+      }
+    } else {
+      inputStringResult = inputString + nextChar;
+      operationStringResult = tempOperationString + nextChar;
+    }
+  } else if (nextChar === '=' && tempOperationString.length > 0) {
+    const lastOperationChar = tempOperationString.slice(-1);
+    if (operators.includes(lastOperationChar) || lastOperationChar === '.') {
+      inputStringResult = parseAndCalculate(tempOperationString.slice(0,-1));
+      operationStringResult = tempOperationString.slice(0,-1) + '=' + inputStringResult;
+    } else {
+      inputStringResult = parseAndCalculate(tempOperationString);
+      operationStringResult = tempOperationString + '=' + inputStringResult;
+    }
+  } else if (nextChar === 'b') {
+    if (tempOperationString.length === 1) {
+      inputStringResult = inputString.slice(0,-1);
+      operationStringResult = tempOperationString.slice(0,-1);
+    } else if (tempOperationString.length > 1) {
+      if (operators.includes(tempOperationString.slice(-1))) {
+        if (operators.includes(tempOperationString.slice(-2,-1))) {
+          inputStringResult = tempOperationString.slice(-2,-1);
+          operationStringResult = tempOperationString.slice(0,-1);
+        } else {
+          operationStringResult = tempOperationString.slice(0,-1);
+          inputStringResult = operationStringResult.split(/[-*/+]/).slice(-1)[0];
+        }
+      } else {
+        if (operators.includes(tempOperationString.slice(-2,-1))) {
+          inputStringResult = tempOperationString.slice(-2,-1);
+          operationStringResult = tempOperationString.slice(0,-1);
+        } else {
+          inputStringResult = inputString.slice(0,-1);
+          operationStringResult = tempOperationString.slice(0,-1);
+        }
+      }
+    }
+  }
+
+  return [inputStringResult,operationStringResult];
+}
+
+const parseAndCalculate = (operationString) => {
+  const statementArray = [];
+  operationString.split('').forEach((item,index) => {
+    if (index === 0) {
+      statementArray.push(item);
+    } else {
+      if (operators.includes(item)) {
+        statementArray.push(item);
+      } else {
+        if (statementArray[statementArray.length - 1] === '-') {
+          if (index === 1 || operators.includes(statementArray[statementArray.length - 2])) {
+            const previous = statementArray[statementArray.length - 1];
+            statementArray[statementArray.length - 1] = previous + item;
+          } else {
+            statementArray.push(item);
+          }
+        } else if (['*','/','+'].includes(statementArray[statementArray.length - 1])) {
+          statementArray.push(item);
+        } else {
+          const previous = statementArray[statementArray.length - 1];
+          statementArray[statementArray.length - 1] = previous + item;
+        }
+      }
+    }
+  });
+  // remove trailing operators
+  while (operators.includes(statementArray[statementArray.length - 1])) {
+    statementArray.pop();
+  }
+  const duplicateOperatorsFilteredArray = statementArray.filter((item,index) => {
+    return (!operators.includes(statementArray[index + 1]) || !operators.includes(item));
+  });
+  if (duplicateOperatorsFilteredArray.length === 1) {
+    return duplicateOperatorsFilteredArray[0];
+  } else {
+    return calculate(duplicateOperatorsFilteredArray.map(item => {
+      if (operators.includes(item)) {
+        return item;
+      } else {
+        return item.includes('.') ? parseFloat(item) : parseInt(item);
+      }
+    }))[0].toString();
+  }
+}
+
+const calculate = (statementArray) => {
+  if (statementArray.length === 1) {
+    return statementArray;
+  } else if (statementArray.includes('*')) {
+    const indexOfOperator = statementArray.indexOf('*');
+    return calculate([
+      ...statementArray.slice(0,indexOfOperator - 1),
+      statementArray[indexOfOperator - 1] * statementArray[indexOfOperator + 1],
+      ...statementArray.slice((indexOfOperator + 2),)
+    ]);
+  } else if (statementArray.includes('/')) {
+    const indexOfOperator = statementArray.indexOf('/');
+    return calculate([
+      ...statementArray.slice(0,indexOfOperator - 1),
+      statementArray[indexOfOperator - 1] / statementArray[indexOfOperator + 1],
+      ...statementArray.slice((indexOfOperator + 2),)
+    ]);
+  } else if (statementArray.includes('-')) {
+    const indexOfOperator = statementArray.indexOf('-');
+    return calculate([
+      ...statementArray.slice(0,indexOfOperator - 1),
+      statementArray[indexOfOperator - 1] - statementArray[indexOfOperator + 1],
+      ...statementArray.slice((indexOfOperator + 2),)
+    ]);
+  } else if (statementArray.includes('+')) {
+    const indexOfOperator = statementArray.indexOf('+');
+    return calculate([
+      ...statementArray.slice(0,indexOfOperator - 1),
+      statementArray[indexOfOperator - 1] + statementArray[indexOfOperator + 1],
+      ...statementArray.slice((indexOfOperator + 2),)
+    ]);
+  }
+}

calculator-react/src/index.css

@@ -0,0 +1,14 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  overflow: hidden;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

calculator-react/src/index.js

@@ -0,0 +1,20 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import { Provider } from "react-redux";
+import store from "./store";
+
+import './index.css';
+import App from './App';
+import * as serviceWorker from './serviceWorker';
+
+ReactDOM.render(
+  <Provider store={store}>
+    <App />
+  </Provider>,
+  document.getElementById('root')
+);
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();

calculator-react/src/logo.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
+        <path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
+        <circle cx="420.9" cy="296.5" r="45.7"/>
+        <path d="M520.5 78.1z"/>
+    </g>
+</svg>

calculator-react/src/reducers/innerWindowHeightReducer.js

@@ -0,0 +1,14 @@
+import { SETWINDOWINNERHEIGHT } from "../actions/innerWindowHeightAction";
+
+export default (state, action) => {
+  if (!state) {
+    state = window.innerHeight;
+  }
+
+  switch (action.type) {
+    case SETWINDOWINNERHEIGHT:
+      return action.windowInnerHeight;
+    default:
+      return state;
+  }
+};

calculator-react/src/reducers/innerWindowWidthReducer.js

@@ -0,0 +1,14 @@
+import { SETWINDOWINNERWIDTH } from "../actions/innerWindowWidthAction";
+
+export default (state, action) => {
+  if (!state) {
+    state = window.innerWidth;
+  }
+
+  switch (action.type) {
+    case SETWINDOWINNERWIDTH:
+      return action.windowInnerWidth;
+    default:
+      return state;
+  };
+};

calculator-react/src/reducers/inputStringReducer.js

@@ -0,0 +1,14 @@
+import { SETINPUTSTRING } from "../actions/inputStringAction";
+
+export default (state, action) => {
+  if (!state) {
+    state = '';
+  }
+
+  switch (action.type) {
+    case SETINPUTSTRING:
+      return action.inputString;
+    default:
+      return state;
+  };
+};

calculator-react/src/reducers/operationStringReducer.js

@@ -0,0 +1,14 @@
+import { SETOPERATIONSTRING } from "../actions/operationStringAction";
+
+export default (state, action) => {
+  if (!state) {
+    state = '';
+  }
+
+  switch (action.type) {
+    case SETOPERATIONSTRING:
+      return action.operationString;
+    default:
+      return state;
+  };
+};

calculator-react/src/reducers/rootReducer.js

@@ -0,0 +1,12 @@
+import { combineReducers } from "redux";
+import innerWindowWidthReducer from "./innerWindowWidthReducer";
+import innerWindowHeightReducer from "./innerWindowHeightReducer";
+import inputStringReducer from "./inputStringReducer";
+import operationStringReducer from "./operationStringReducer";
+
+export default combineReducers({
+  innerWindowWidth: innerWindowWidthReducer,
+  innerWindowHeight: innerWindowHeightReducer,
+  inputString: inputStringReducer,
+  operationString: operationStringReducer,
+});

calculator-react/src/serviceWorker.js

@@ -0,0 +1,141 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.0/8 are considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export function register(config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl, config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl, {
+    headers: { 'Service-Worker': 'script' },
+  })
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type');
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then(registration => {
+        registration.unregister();
+      })
+      .catch(error => {
+        console.error(error.message);
+      });
+  }
+}

calculator-react/src/setupTests.js

@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom/extend-expect';

calculator-react/src/store.js

@@ -0,0 +1,6 @@
+import { createStore } from "redux";
+import rootReducer from "./reducers/rootReducer";
+
+const store = createStore(rootReducer);
+
+export default store;