sysadmin reconstruct user page (#4030)

* sysadmin reconstruct user page

* [system admin] users: refactored it

frontend/src/components/dialog/sysadmin-dialog/sysadmin-user-set-name-dialog.js

@@ -0,0 +1,68 @@
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Label, Input } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  onNameChanged: PropTypes.func.isRequired
+};
+
+class SysAdminUserSetNameDialog extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      name: '',
+    };
+  }
+
+  toggle = () => {
+    this.props.toggle();
+  }
+
+  handleNameChange = (e) => {
+    this.setState({name: e.target.value.trim()});
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  handleSubmit = () => {
+    let { name } = this.state;
+    this.props.onNameChanged(name);
+  }
+
+  render() {
+    let { name } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Set user name')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <Input 
+                id="repoName"
+                onKeyPress={this.handleKeyPress} 
+                value={name}
+                onChange={this.handleNameChange}
+              />
+            </FormGroup>
+          </Form>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminUserSetNameDialog.propTypes = propTypes;
+
+export default SysAdminUserSetNameDialog;