add rename-input component

frontend/src/components/rename-input.js

@@ -0,0 +1,72 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const propTypes = {
+  type: PropTypes.string,
+  name: PropTypes.string.isRequired,
+  onRenameConfirm: PropTypes.func.isRequired,
+  onRenameCancel: PropTypes.func.isRequired,
+};
+class RenameInput extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      name: props.name
+    };
+  }
+
+  componentDidMount() {
+    this.refs.renameInput.focus();
+    if (this.props.type === 'file') {
+      var endIndex = this.props.name.lastIndexOf('.');
+      this.refs.renameInput.setSelectionRange(0, endIndex, 'forward');
+    } else {
+      this.refs.renameInput.setSelectionRange(0, -1);
+    }
+  }
+
+  onChange = (e) => {
+    this.setState({name: e.target.value});
+  }
+
+  onClick = (e) => {
+    e.nativeEvent.stopImmediatePropagation();
+  }
+
+  onKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.onRenameConfirm(e);
+    }
+  }
+
+  onRenameConfirm = (e) => {
+    e.nativeEvent.stopImmediatePropagation();
+    this.props.onRenameConfirm(this.state.name);
+  }
+
+  onRenameCancel = (e) => {
+    e.nativeEvent.stopImmediatePropagation();
+    this.props.onRenameCancel();
+  }
+
+  render() {
+    return (
+      <div className="rename-container">
+        <input 
+          ref="renameInput" 
+          value={this.state.name} 
+          onChange={this.onChange} 
+          onKeyPress={this.onKeyPress} 
+          onClick={this.onClick} 
+        />
+        <button className="btn btn-secondary sf2-icon-confirm confirm" onClick={this.onRenameConfirm}></button>
+        <button className="btn btn-secondary sf2-icon-cancel cancel" onClick={this.onRenameCancel}></button>
+      </div>
+    );
+  }
+}
+
+RenameInput.propTypes = propTypes;
+
+export default RenameInput;