Create the Modal component and associated reducer

and make use of it in the SideBar component, to open the send and
receive modals.

package.json

@@ -39,6 +39,7 @@
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "react-i18next": "^7.3.1",
+    "react-mortal": "^3.0.1",
     "react-redux": "^5.0.6",
     "react-router": "^4.2.0",
     "react-router-dom": "^4.2.2",

src/components/ReceiveModal.js

@@ -0,0 +1,13 @@
+// @flow
+
+import React, { PureComponent } from 'react'
+
+import Modal from 'components/base/Modal'
+
+class ReceiveModal extends PureComponent {
+  render() {
+    return <Modal name="receive">receive modal</Modal>
+  }
+}
+
+export default ReceiveModal

src/components/SendModal.js

@@ -0,0 +1,13 @@
+// @flow
+
+import React, { PureComponent } from 'react'
+
+import Modal from 'components/base/Modal'
+
+class SendModal extends PureComponent {
+  render() {
+    return <Modal name="send">send modal</Modal>
+  }
+}
+
+export default SendModal

src/components/SideBar/Item.js

@@ -7,6 +7,8 @@ import { withRouter } from 'react-router'
 import { push } from 'react-router-redux'
 import { connect } from 'react-redux'
 
+import { openModal, isModalOpened } from 'reducers/modals'
+
 import type { Element } from 'react'
 import type { Location } from 'react-router'
 
@@ -16,14 +18,25 @@ import Text from 'components/base/Text'
 type Props = {
   children: string,
   linkTo?: string | null,
+  modal?: string | null,
   desc?: string | null,
   icon?: Element<*> | null,
   location: Location,
+  isModalOpened: boolean,
   push: Function,
+  openModal: Function,
 }
 
+const mapStateToProps = (state, { modal }) => ({
+  // connect router here only to make components re-render
+  // see https://github.com/ReactTraining/react-router/issues/4671
+  router: state.router,
+  isModalOpened: modal ? isModalOpened(state, modal) : false,
+})
+
 const mapDispatchToProps = {
   push,
+  openModal,
 }
 
 const Container = styled(Box).attrs({
@@ -46,10 +59,23 @@ const IconWrapper = styled(Box)`
   border: 2px solid rgba(255, 255, 255, 0.1);
 `
 
-function Item({ children, desc, icon, linkTo, push, location }: Props) {
+function Item({
+  children,
+  desc,
+  icon,
+  linkTo,
+  push,
+  location,
+  modal,
+  openModal,
+  isModalOpened,
+}: Props) {
   const { pathname } = location
   return (
-    <Container onClick={linkTo ? () => push(linkTo) : void 0} active={pathname === linkTo}>
+    <Container
+      onClick={linkTo ? () => push(linkTo) : modal ? () => openModal(modal) : void 0}
+      active={pathname === linkTo || isModalOpened}
+    >
       <IconWrapper mr={2}>{icon || null}</IconWrapper>
       <div>
         <Text fontWeight="bold" fontSize={1}>
@@ -69,13 +95,12 @@ Item.defaultProps = {
   icon: null,
   desc: null,
   linkTo: null,
+  modal: null,
 }
 
 export default compose(
   withRouter,
-  // connect router here only to make components re-render
+  connect(mapStateToProps, mapDispatchToProps, null, {
-  // see https://github.com/ReactTraining/react-router/issues/4671
-  connect(({ router }) => ({ router }), mapDispatchToProps, null, {
     pure: false,
   }),
 )(Item)

src/components/SideBar/index.js

@@ -24,8 +24,8 @@ class SideBar extends PureComponent<{}> {
             <CapsSubtitle>{'Menu'}</CapsSubtitle>
             <div>
               <Item linkTo="/">{'Dashboard'}</Item>
-              <Item>{'Send'}</Item>
+              <Item modal="send">{'Send'}</Item>
-              <Item>{'Receive'}</Item>
+              <Item modal="receive">{'Receive'}</Item>
               <Item linkTo="/settings">{'Settings'}</Item>
             </div>
           </Box>

src/components/Wrapper.js

@@ -9,6 +9,8 @@ import Box from 'components/base/Box'
 import DashboardPage from 'components/DashboardPage'
 import SettingsPage from 'components/SettingsPage'
 import AccountPage from 'components/AccountPage'
+import SendModal from 'components/SendModal'
+import ReceiveModal from 'components/ReceiveModal'
 
 import SideBar from 'components/SideBar'
 import TopBar from 'components/TopBar'
@@ -22,6 +24,8 @@ const Wrapper = () => (
       <Route path="/settings" component={SettingsPage} />
       <Route path="/account/:account" component={AccountPage} />
     </Box>
+    <SendModal />
+    <ReceiveModal />
   </Box>
 )
 

src/components/base/Modal.js

@@ -0,0 +1,98 @@
+// @flow
+/* eslint-disable jsx-a11y/click-events-have-key-events */
+/* eslint-disable jsx-a11y/no-static-element-interactions */
+
+import React, { PureComponent } from 'react'
+import { connect } from 'react-redux'
+import Mortal from 'react-mortal'
+import styled from 'styled-components'
+
+import { closeModal, isModalOpened } from 'reducers/modals'
+
+type Props = {
+  isOpened: boolean,
+  onClose: Function,
+  children: any,
+}
+
+const springConfig = {
+  stiffness: 350,
+}
+
+const mapStateToProps = (state, { name, isOpened }) => ({
+  isOpened: isOpened || (name && isModalOpened(state, name)),
+})
+
+const mapDispatchToProps = (dispatch, { name }) => ({
+  onClose: name ? () => dispatch(closeModal(name)) : undefined,
+})
+
+const Container = styled.div.attrs({
+  style: p => ({
+    pointerEvents: p.isVisible ? 'auto' : 'none',
+  }),
+})`
+  position: fixed;
+  z-index: 1;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  overflow: hidden;
+  display: flex;
+  align-items: flex-start;
+  justify-content: center;
+`
+
+const Backdrop = styled.div.attrs({
+  style: p => ({
+    opacity: p.op,
+  }),
+})`
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.4);
+`
+
+const Body = styled.div.attrs({
+  style: p => ({
+    opacity: p.op,
+    transform: `translate3d(0, ${p.offset}px, 0)`,
+  }),
+})`
+  padding: 20px;
+  margin-top: 100px;
+  background: white;
+  width: 400px;
+  z-index: 2;
+`
+
+class Modal extends PureComponent<Props> {
+  render() {
+    const { isOpened, onClose, children } = this.props
+    return (
+      <Mortal
+        isOpened={isOpened}
+        onClose={onClose}
+        motionStyle={(spring, isVisible) => ({
+          opacity: spring(isVisible ? 1 : 0, springConfig),
+          y: spring(isVisible ? 0 : 20, springConfig),
+        })}
+      >
+        {(m, isVisible) => (
+          <Container isVisible={isVisible}>
+            <Backdrop op={m.opacity} onClick={onClose} />
+            <Body op={m.opacity} offset={m.y}>
+              {children}
+            </Body>
+          </Container>
+        )}
+      </Mortal>
+    )
+  }
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(Modal)

src/reducers/index.js

@@ -4,8 +4,10 @@ import { combineReducers } from 'redux'
 import { routerReducer as router } from 'react-router-redux'
 
 import devices from './devices'
+import modals from './modals'
 
 export default combineReducers({
   router,
   devices,
+  modals,
 })

src/reducers/modals.js

@@ -0,0 +1,50 @@
+// @flow
+
+import { handleActions, createAction } from 'redux-actions'
+
+const state = {}
+
+type OpenPayload = {
+  name: string,
+  data?: Object | null,
+}
+
+type ClosePayload = {
+  name: string,
+}
+
+const handlers = {
+  MODAL_OPEN: (state, { payload }: { payload: OpenPayload }) => {
+    const { name, data } = payload
+    return {
+      ...state,
+      [name]: {
+        isOpened: true,
+        data,
+      },
+    }
+  },
+  MODAL_CLOSE: (state, { payload }: { payload: ClosePayload }) => {
+    const { name } = payload
+    return {
+      ...state,
+      [name]: {
+        isOpened: false,
+        data: null,
+      },
+    }
+  },
+}
+
+// Actions
+
+export const openModal = createAction('MODAL_OPEN', (name, data = {}) => ({ name, data }))
+export const closeModal = createAction('MODAL_CLOSE', name => ({ name }))
+
+// Selectors
+
+export const isModalOpened = (state, name) => state.modals[name] && state.modals[name].isOpened
+
+// Exporting reducer
+
+export default handleActions(handlers, state)

yarn.lock

@@ -5901,7 +5901,7 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.6.0:
+prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.5.8, prop-types@^15.6.0:
   version "15.6.0"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.0.tgz#ceaf083022fc46b4a35f69e13ef75aed0d639856"
   dependencies:
@@ -5993,6 +5993,12 @@ querystringify@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-1.0.0.tgz#6286242112c5b712fa654e526652bf6a13ff05cb"
 
+raf@^3.1.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/raf/-/raf-3.4.0.tgz#a28876881b4bc2ca9117d4138163ddb80f781575"
+  dependencies:
+    performance-now "^2.1.0"
+
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -6063,6 +6069,29 @@ react-i18next@^7.3.1:
     html-parse-stringify2 "2.0.1"
     prop-types "^15.6.0"
 
+react-mortal@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/react-mortal/-/react-mortal-3.0.1.tgz#be8477513deb08ceb22ba8ae4b52220dc5c741ff"
+  dependencies:
+    prop-types "^15.6.0"
+    react "^16.1.1"
+    react-motion "^0.5.0"
+    react-portal "^4.0.0"
+
+react-motion@^0.5.0:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/react-motion/-/react-motion-0.5.2.tgz#0dd3a69e411316567927917c6626551ba0607316"
+  dependencies:
+    performance-now "^0.2.0"
+    prop-types "^15.5.8"
+    raf "^3.1.0"
+
+react-portal@^4.0.0:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/react-portal/-/react-portal-4.1.2.tgz#7f28f3c8c2ed5c541907c0ed0f24e8996acf627f"
+  dependencies:
+    prop-types "^15.5.8"
+
 react-redux@^5.0.6:
   version "5.0.6"
   resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-5.0.6.tgz#23ed3a4f986359d68b5212eaaa681e60d6574946"
@@ -6111,7 +6140,7 @@ react-stand-in@^4.0.0-beta.14:
   dependencies:
     shallowequal "^1.0.2"
 
-react@^16.2.0:
+react@^16.1.1, react@^16.2.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"
   dependencies: