Org user page (#2941)

* init org user

* optimized code style

* freezed item

* update select-ediotr style

* optimized code style

* add state

frontend/src/components/dialog/org-add-admin-dialog.js

@@ -0,0 +1,91 @@
+import React, { Fragment } from 'react';
+import PropTypes from 'prop-types';
+import AsyncSelect from 'react-select/lib/Async';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
+import { gettext } from '../../utils/constants';
+import { seafileAPI } from '../../utils/seafile-api';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  addOrgAdmin: PropTypes.func.isRequired,
+};
+
+class AddOrgAdminDialog extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      selectedOption: null
+    };
+    this.options = [];
+  }
+
+  loadOptions = (value, callback) => {
+    if (value.trim().length > 0) {
+      seafileAPI.searchUsers(value.trim()).then((res) => {
+        this.options = [];
+        for (let i = 0 ; i < res.data.users.length; i++) {
+          let obj = {};
+          obj.value = res.data.users[i].name;
+          obj.email = res.data.users[i].email;
+          obj.label =
+            <Fragment>
+              <img src={res.data.users[i].avatar_url} className="select-module select-module-icon avatar" alt="Avatar"/>
+              <span className='select-module select-module-name'>{res.data.users[i].name}</span>
+            </Fragment>;
+          this.options.push(obj);
+        }
+        callback(this.options);
+      });
+    }
+  }
+
+  handleSelectChange = (option) => {
+    this.setState({selectedOption: option});
+    this.options = [];
+  }
+
+  addOrgAdmin = () => {
+    let users = [];
+    if (this.state.selectedOption && this.state.selectedOption.length > 0 ) {
+      for (let i = 0; i < this.state.selectedOption.length; i ++) {
+        users[i] = this.state.selectedOption[i].email;
+      }
+    }
+    this.props.addOrgAdmin(users)
+  }
+
+  toggle = () => {
+    this.props.toggle();
+  } 
+
+  render() {
+    return (
+      <Modal isOpen={true}>
+        <ModalHeader>{gettext('Add Admins')}</ModalHeader>
+        <ModalBody>
+          <AsyncSelect
+            inputId={'react-select-1-input'}
+            className='reviewer-select'
+            placeholder={gettext('Select a user as admin...')}
+            loadOptions={this.loadOptions}
+            onChange={this.handleSelectChange}
+            value={this.state.selectedOption}
+            maxMenuHeight={200}
+            isMulti
+            isFocused
+            isClearable
+            classNamePrefix
+          />
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.addOrgAdmin}>{gettext('Submit')}</Button>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Close')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+AddOrgAdminDialog.propTypes = propTypes;
+
+export default AddOrgAdminDialog;