[my libs] mobile: improvement (#3839)

* [my libs] mobile: improvement

* modified 'more' icon
* modified background layer of op menu
* added 'star/unstar' to the op menu

* [my libs] mobile: redesigned 'sort'

frontend/src/components/dialog/sort-options.js

@@ -0,0 +1,65 @@
+import React, { Fragment } from 'react';
+import PropTypes from 'prop-types';
+import { Modal, ModalBody } from 'reactstrap';
+import { gettext } from '../../utils/constants';
+
+const propTypes = {
+  toggleDialog: PropTypes.func.isRequired,
+  sortBy: PropTypes.string.isRequired,
+  sortOrder: PropTypes.string.isRequired,
+  sortList: PropTypes.func.isRequired
+};
+
+class SortOptions extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.sortOptions = [
+      {id: 'sort-option-1', value: 'name-asc', text: gettext('By name ascending')},
+      {id: 'sort-option-2', value: 'name-desc', text: gettext('By name descending')},
+      {id: 'sort-option-3', value: 'size-asc', text: gettext('By size ascending')},
+      {id: 'sort-option-4', value: 'size-desc', text: gettext('By size descending')},
+      {id: 'sort-option-5', value: 'time-asc', text: gettext('By time ascending')},
+      {id: 'sort-option-6', value: 'time-desc', text: gettext('By time descending')}
+    ];
+    const { sortBy, sortOrder } = this.props;
+    this.state = {
+      currentOption: `${sortBy}-${sortOrder}`
+    };
+  }
+
+  switchOption = (e) => {
+    if (!e.target.checked) {
+      return;
+    }
+
+    this.setState({
+      currentOption: e.target.value
+    });
+
+    const [sortBy, sortOrder] = e.target.value.split('-');
+    this.props.sortList(sortBy, sortOrder);
+    this.props.toggleDialog();
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.props.toggleDialog}>
+        <ModalBody>
+          {this.sortOptions.map((item, index) => {
+            return (
+              <Fragment key={index}>
+                <input id={item.id} className="align-middle" type="radio" name="sort-options" value={item.value} checked={this.state.currentOption == item.value} onChange={this.switchOption} />
+                <label htmlFor={item.id} className="align-middle m-2">{item.text}</label><br />
+              </Fragment>
+            );
+          })}
+        </ModalBody>
+      </Modal>
+    );
+  }
+}
+
+SortOptions.propTypes = propTypes;
+
+export default SortOptions;