Breaked Calculator

breaked-calculator.markdown

Breaked Calculator

A Pen by Ilrilan on CodePen.

License.

index.html

<div id='root'></div>

script.babel

const { Component } = React;
const { connect, Provider } = ReactRedux;
const { createStore, combineReducers } = Redux;

const ReduxDevToolsPayload = {
	"payload": "[{\"type\":\"ADD_ELEM\",\"text\":\"1\"},{\"type\":\"ADD_ELEM\",\"text\":\"+\"},{\"type\":\"ADD_ELEM\",\"text\":\"2\"},{\"type\":\"EQUAL\",\"value\":\"1+2\"},{\"type\":\"ADD_ELEM\",\"text\":\"+\"},{\"type\":\"ADD_ELEM\",\"text\":\"5\"},{\"type\":\"ADD_ELEM\",\"text\":\"*\"},{\"type\":\"ADD_ELEM\",\"text\":\"2\"},{\"type\":\"EQUAL\",\"value\":\"3+5*2\"},{\"type\":\"ADD_ELEM\",\"text\":\"-\"},{\"type\":\"ADD_ELEM\",\"text\":\"4\"},{\"type\":\"ADD_ELEM\",\"text\":\"/\"},{\"type\":\"ADD_ELEM\",\"text\":\"3\"},{\"type\":\"EQUAL\",\"value\":\"13-4/3\"},{\"type\":\"CLEAR\"},{\"type\":\"ADD_ELEM\",\"text\":\"9\"},{\"type\":\"ADD_ELEM\",\"text\":\".\"},{\"type\":\"ADD_ELEM\",\"text\":\"5\"},{\"type\":\"ADD_ELEM\",\"text\":\"*\"},{\"type\":\"ADD_ELEM\",\"text\":\"0\"},{\"type\":\"ADD_ELEM\",\"text\":\".\"},{\"type\":\"ADD_ELEM\",\"text\":\"7\"},{\"type\":\"ADD_ELEM\",\"text\":\"3\"},{\"type\":\"EQUAL\",\"value\":\"9.5*0.73\"}]"
}

const calcState = {
//...
} 

const calcReducer = (state = calcState, action) => {
//...
}

const mapStateToProps = (state) => {
//...
}

const mapDispatchToProps = (dispatch) => {
//...
}  

class App extends Component {
  constructor(props){
    super(props)
  }

  render() {
    const { value, btns, addElem, clear, equal } = this.props;
    return (
      <div className="App">
        <div className="value-container">
          <input type="text" value={value} />
        </div>
        <div className="buttons-container">
          {btns.map((item, key) => {
            if(item == "C"){
              return(
                <button onClick={ clear.bind(this) } key={key}>{item}</button>
              )
            } else if(item == "="){
              return(
                <button onClick={ equal.bind(this, value) } key={key}>{item}</button>
              )
            } else {
              return(
                <button onClick={ addElem.bind(this, item) } key={key}>{item}</button>
              )
            }
          })}
        </div>
      </div>
    );
  }
}

const Calc = connect(mapStateToProps, mapDispatchToProps)(App);


const store = createStore(calcReducer,
                         window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__());

ReactDOM.render(
    <Provider store={store}>
        <Calc />
    </Provider>
    , document.getElementById('root'));

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.0/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.0/react-dom.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.5.2/redux.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-redux/4.4.5/react-redux.min.js"></script>

style.css

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100vh;
    background: white;
}
.App{
    width: 300px;
    margin: 0 auto;
    background: black;
    box-shadow: 0 0 5px;
    margin-top: 100px;
}
.value-container{
    padding-top: 1.75%;
}
.value-container input{
    display: block;
    width: 95%;
    border: none;
    height: 30px;
    text-align: right;
    padding: 0 10px;
    margin: 0 auto;
    font-size: 22px;
    font-weight: 700;
    color: lightslategrey;
}
.buttons-container{
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
}
.buttons-container button{
    width: 20%;
    height: 30px;
    line-height: 30px;
    margin: 2%;
    border: none;
    outline: none;
    background: #2f662f;
    color: white;
    font-weight: 700;
}
.buttons-container button:hover{
    box-shadow: 0 0 5px;
}