Improve dropdown menus, animation ⚡

frontend/components/DropdownMenu/DropdownMenu.js

@@ -5,19 +5,7 @@ import { observer } from 'mobx-react';
 import styled from 'styled-components';
 import Flex from 'components/Flex';
 import { color } from 'styles/constants';
-
-type MenuItemProps = {
-  onClick?: Function,
-  children?: React.Element<any>,
-};
-
-const DropdownMenuItem = ({ onClick, children }: MenuItemProps) => {
-  return (
-    <MenuItem onClick={onClick}>
-      {children}
-    </MenuItem>
-  );
-};
+import { fadeAndScaleIn } from 'styles/animations';
 
 type DropdownMenuProps = {
   label: React.Element<any>,
@@ -73,37 +61,18 @@ const MenuContainer = styled.div`
 `;
 
 const Menu = styled.div`
+  animation: ${fadeAndScaleIn} 250ms ease;
+  transform-origin: 75% 0;
+
   position: absolute;
   right: 0;
   z-index: 1000;
-  border: 1px solid #eee;
-  background-color: #fff;
+  border: ${color.slateLight};
+  background: ${color.white};
+  border-radius: 2px;
   min-width: 160px;
+  overflow: hidden;
+  box-shadow: 0 0 0 1px rgba(0,0,0,.05), 0 4px 8px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.08);
 `;
 
-const MenuItem = styled.div`
-  margin: 0;
-  padding: 5px 10px;
-  height: 32px;
-
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  cursor: pointer;
-  border-left: 2px solid transparent;
-
-  span {
-    margin-top: 2px;
-  }
-
-  a {
-    text-decoration: none;
-    width: 100%;
-  }
-
-  &:hover {
-    border-left: 2px solid ${color.primary};
-  }
-`;
-
-export { DropdownMenu, DropdownMenuItem };
+export default DropdownMenu;

frontend/components/DropdownMenu/DropdownMenuItem.js

@@ -0,0 +1,42 @@
+// @flow
+import React from 'react';
+import styled from 'styled-components';
+import { color } from 'styles/constants';
+
+const DropdownMenuItem = ({
+  onClick,
+  children,
+}: {
+  onClick?: Function,
+  children?: React.Element<any>,
+}) => {
+  return (
+    <MenuItem onClick={onClick}>
+      {children}
+    </MenuItem>
+  );
+};
+
+const MenuItem = styled.div`
+  margin: 0;
+  padding: 5px 10px;
+  height: 32px;
+
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  cursor: pointer;
+  font-size: 15px;
+
+  a {
+    text-decoration: none;
+    width: 100%;
+  }
+
+  &:hover {
+    color: ${color.white};
+    background: ${color.primary};
+  }
+`;
+
+export default DropdownMenuItem;

frontend/components/DropdownMenu/index.js

@@ -1,2 +1,3 @@
 // @flow
-export { DropdownMenu, DropdownMenuItem } from './DropdownMenu';
+export { default as DropdownMenu } from './DropdownMenu';
+export { default as DropdownMenuItem } from './DropdownMenuItem';

frontend/models/Document.js

@@ -79,6 +79,16 @@ class Document extends BaseModel {
     return !this.isEmpty && !this.isSaving;
   }
 
+  @computed get allowDelete(): boolean {
+    const collection = this.collection;
+    return (
+      collection &&
+      collection.type === 'atlas' &&
+      collection.documents &&
+      collection.documents.length > 1
+    );
+  }
+
   /* Actions */
 
   @action star = async () => {
@@ -182,6 +192,14 @@ class Document extends BaseModel {
     return;
   };
 
+  download() {
+    const a = window.document.createElement('a');
+    a.textContent = 'download';
+    a.download = `${this.title}.md`;
+    a.href = `data:text/markdown;charset=UTF-8,${encodeURIComponent(this.text)}`;
+    a.click();
+  }
+
   updateData(data: Object = {}, dirty: boolean = false) {
     if (data.text) {
       const { title, emoji } = parseTitle(data.text);

frontend/scenes/Document/Document.js

@@ -204,8 +204,7 @@ type Props = {
               />
               <Meta align="center" justify="flex-end" readOnly={!isEditing}>
                 <Flex align="center">
-                  {document &&
-                    !isNew &&
+                  {!isNew &&
                     !isEditing &&
                     <Collaborators document={document} />}
                   <HeaderAction>

frontend/scenes/Document/components/Menu.js

@@ -1,6 +1,5 @@
 // @flow
 import React, { Component } from 'react';
-import invariant from 'invariant';
 import get from 'lodash/get';
 import { withRouter } from 'react-router-dom';
 import { observer } from 'mobx-react';
@@ -21,7 +20,6 @@ type Props = {
   };
 
   onCreateChild = () => {
-    invariant(this.props.document, 'Document is not available');
     this.props.history.push(`${this.props.document.url}/new`);
   };
 
@@ -41,42 +39,25 @@ type Props = {
   };
 
   onExport = () => {
-    const doc = this.props.document;
-    if (doc) {
-      const a = document.createElement('a');
-      a.textContent = 'download';
-      a.download = `${doc.title}.md`;
-      a.href = `data:text/markdown;charset=UTF-8,${encodeURIComponent(doc.text)}`;
-      a.click();
-    }
+    this.props.document.download();
   };
 
   render() {
-    const document = get(this.props, 'document');
-    if (document) {
-      const collection = document.collection;
-      const allowDelete =
-        collection &&
-        collection.type === 'atlas' &&
-        collection.documents &&
-        collection.documents.length > 1;
+    const collection = this.props.document.collection;
+    const allowDelete = this.props.document.allowDelete;
 
     return (
-        <DropdownMenu label={<Icon type="MoreHorizontal" />}>
+      <DropdownMenu label={<Icon type="MoreHorizontal" />} top right>
         {collection &&
-            <div>
           <DropdownMenuItem onClick={this.onCreateDocument}>
             New document
-              </DropdownMenuItem>
-            </div>}
+          </DropdownMenuItem>}
         <DropdownMenuItem onClick={this.onExport}>Export</DropdownMenuItem>
         {allowDelete &&
           <DropdownMenuItem onClick={this.onDelete}>Delete</DropdownMenuItem>}
       </DropdownMenu>
     );
   }
-    return null;
-  }
 }
 
 export default withRouter(Menu);