add create department dialog

frontend/src/components/dialog/create-department-repo-dialog.js

@@ -0,0 +1,106 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, Input, ModalBody, ModalFooter, Form, FormGroup, Label, Col, FormText } from 'reactstrap';
+import { gettext, maxFileName } from '../../utils/constants';
+
+const propTypes = {
+  onCreateRepo: PropTypes.func.isRequired,
+  onCreateToggle: PropTypes.func.isRequired
+};
+
+class CreateDepartmentRepoDialog extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      repoName: '',
+      errMessage: '',
+    };
+    this.newInput = React.createRef();
+  }
+
+  handleChange = (e) => {
+    this.setState({
+      repoName: e.target.value, 
+    });
+  }
+
+  handleSubmit = () => {
+    let isValid = this.validateRepoName();
+    if (isValid) {
+      let repo = this.createRepo(this.state.repoName);
+      this.props.onCreateRepo(repo);
+    }
+
+  } 
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.handleSubmit();
+    }
+  }
+
+  toggle = () => {
+    this.props.onCreateToggle();
+  }
+
+  componentDidMount = () => {
+    this.newInput.focus();
+  }
+
+  validateRepoName = () => {
+    let errMessage = '';
+    let repoName = this.state.repoName.trim();
+    if (!repoName.length) {
+      errMessage = 'Name is required';
+      this.setState({errMessage: errMessage});
+      return false;
+    }
+    if (repoName.indexOf('/') > -1) {
+      errMessage = 'Name should not include \'/\'.';
+      this.setState({errMessage: errMessage});
+      return false;
+    }
+    if (repoName.length > maxFileName) {
+      errMessage = 'RepoName\'s length is must little than ' + maxFileName;
+      this.setState({errMessage: errMessage});
+      return false;
+    }
+    return true;
+  }
+
+  createRepo = (repoName) => {
+    let repo = { repo_name: repoName };
+    return repo;
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('New Department Library')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <Label for="repo-name">{gettext('Name')}</Label>
+              <Input 
+                id="repo-name" 
+                onKeyPress={this.handleKeyPress} 
+                innerRef={input => {this.newInput = input;}} 
+                value={this.state.repoName} 
+                onChange={this.handleChange}
+                maxLength={maxFileName}
+              />
+            </FormGroup>
+          </Form>
+          <Label className="err-message">{gettext(this.state.errMessage)}</Label>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+CreateDepartmentRepoDialog.propTypes = propTypes;
+
+export default CreateDepartmentRepoDialog;