add calculator-react

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);