Feature/discussions unposted content alert

src/components/Feed/NewPost.jsx

@@ -41,12 +41,13 @@ class NewPost extends React.Component {
   constructor(props) {
     super(props)
     this.state = {editorState: EditorState.createEmpty(), expandedEditor: false, canSubmit: false}
+    this.onTitleChange = this.onTitleChange.bind(this)
     this.onEditorChange = this.onEditorChange.bind(this)
     this.handleKeyCommand = this.handleKeyCommand.bind(this)
     this.toggleBlockType = this.toggleBlockType.bind(this)
     this.toggleInlineStyle = this.toggleInlineStyle.bind(this)
     this.onClickOutside = this.onClickOutside.bind(this)
-    this.onNewPostChange = this.onNewPostChange.bind(this)
+    this.validateSubmitState = this.validateSubmitState.bind(this)
   }
 
   componentDidMount() {
@@ -59,11 +60,11 @@ class NewPost extends React.Component {
   }
 
   componentWillReceiveProps(nextProps) {
-    if (!(nextProps.isCreating || nextProps.hasError && !nextProps.isCreating)) {
+    if (nextProps.isCreating !== this.props.isCreating && !nextProps.isCreating && !nextProps.hasError) {
       this.setState({editorState: EditorState.createEmpty()})
       this.refs.title.value = ''
     }
-    this.onNewPostChange()
+    this.validateSubmitState()
   }
 
   onClickOutside(evt) {
@@ -125,15 +126,29 @@ class NewPost extends React.Component {
 
   onEditorChange(editorState) {
     this.setState({editorState})
-    this.onNewPostChange()
+    this.validateSubmitState()
+    if (this.props.onNewPostChange) {
+      // NOTE: uses getPlainText method to avoid newline character for empty content
+      this.props.onNewPostChange(this.refs.title.value, editorState.getCurrentContent().getPlainText())
+    }
   }
 
-  onNewPostChange() {
+  validateSubmitState() {
+    const { editorState } = this.state
     this.setState({
-      canSubmit: this.refs.title && !!this.refs.title.value.trim().length && this.state.editorState.getCurrentContent().hasText()
+      canSubmit: this.refs.title && !!this.refs.title.value.trim().length && editorState.getCurrentContent().hasText()
     })
   }
 
+  onTitleChange() {
+    const { editorState } = this.state
+    this.validateSubmitState()
+    if (this.props.onNewPostChange) {
+      // NOTE: uses getPlainText method to avoid newline character for empty content
+      this.props.onNewPostChange(this.refs.title.value, editorState.getCurrentContent().getPlainText())
+    }
+  }
+
   render() {
     const {currentUser, titlePlaceholder, isCreating} = this.props
     const {editorState, canSubmit} = this.state
@@ -191,7 +206,7 @@ class NewPost extends React.Component {
               ref="title"
               className="new-post-title"
               type="text"
-              onChange={this.onNewPostChange}
+              onChange={this.onTitleChange}
               placeholder={ titlePlaceholder || 'Title of the post'}
             />
             <div className="draftjs-editor tc-textarea">

src/projects/detail/Dashboard.jsx

@@ -5,7 +5,7 @@ import Sticky from 'react-stickynode'
 
 require('./Dashboard.scss')
 
-const Dashboard = ({project, currentMemberRole}) => (
+const Dashboard = ({project, currentMemberRole, route}) => (
   <div>
     <div className="dashboard-container">
       <div className="left-area">
@@ -16,7 +16,7 @@ const Dashboard = ({project, currentMemberRole}) => (
         </Sticky>
       </div>
       <div className="right-area">
-        <FeedContainer currentMemberRole={currentMemberRole} project={project} />
+        <FeedContainer currentMemberRole={currentMemberRole} project={project} route={route} />
       </div>
     </div>
   </div>

src/projects/detail/Messages.jsx

@@ -4,7 +4,12 @@ import MessagesContainer from './containers/MessagesContainer'
 
 require('./Messages.scss')
 
-const Messages = ({ location, project, currentMemberRole }) => (
-  <MessagesContainer location={ location } project={ project } currentMemberRole={ currentMemberRole } />
+const Messages = ({ location, project, currentMemberRole, route }) => (
+  <MessagesContainer
+    location={ location }
+    project={ project }
+    currentMemberRole={ currentMemberRole }
+    route={ route }
+  />
 )
 export default Messages

src/projects/detail/containers/FeedContainer.js

@@ -1,4 +1,5 @@
 import React, { PropTypes } from 'react'
+import { withRouter } from 'react-router'
 import _ from 'lodash'
 import {
   THREAD_MESSAGES_PAGE_SIZE,
@@ -36,7 +37,16 @@ class FeedView extends React.Component {
     this.onNewCommentChange = this.onNewCommentChange.bind(this)
     this.onShowAllComments = this.onShowAllComments.bind(this)
     this.onAddNewComment = this.onAddNewComment.bind(this)
-    this.state = { feeds : [], showAll: [] }
+    this.onLeave = this.onLeave.bind(this)
+    this.isChanged = this.isChanged.bind(this)
+    this.onNewPostChange = this.onNewPostChange.bind(this)
+    this.state = { feeds : [], showAll: [], newPost: {} }
+  }
+
+  componentDidMount() {
+    const routeLeaveHook = this.props.router.setRouteLeaveHook(this.props.route, this.onLeave)
+    window.addEventListener('beforeunload', this.onLeave)
+    this.setState({ routeLeaveHook })
   }
 
   componentWillMount() {
@@ -47,6 +57,27 @@ class FeedView extends React.Component {
     this.init(nextProps)
   }
 
+  componentWillUnmount() {
+    if (this.state.routeLeaveHook) {
+      this.state.routeLeaveHook()
+    }
+    window.removeEventListener('beforeunload', this.onLeave)
+  }
+
+  // Notify user if they navigate away while the form is modified.
+  onLeave(e) {
+    if (this.isChanged()) {
+      return e.returnValue = 'You have uposted content. Are you sure you want to leave?'
+    }
+  }
+
+  isChanged() {
+    const { newPost } = this.state
+    const hasComment = !_.isUndefined(_.find(this.state.feeds, (feed) => feed.newComment && feed.newComment.length))
+    const hasThread = (newPost.title && !!newPost.title.trim().length) || ( newPost.content && !!newPost.content.trim().length)
+    return hasThread || hasComment
+  }
+
   mapFeed(feed, showAll = false) {
     const { allMembers } = this.props
     const item = _.pick(feed, ['id', 'date', 'read', 'tag', 'title', 'totalPosts', 'userId', 'reference', 'referenceId', 'postIds', 'isAddingComment', 'isLoadingComments', 'error'])
@@ -99,6 +130,12 @@ class FeedView extends React.Component {
     })
   }
 
+  onNewPostChange(title, content) {
+    this.setState({
+      newPost: {title, content}
+    })
+  }
+
   onNewPost({title, content}) {
     const { project } = this.props
     const newFeed = {
@@ -194,6 +231,7 @@ class FeedView extends React.Component {
             isCreating={ isCreatingFeed }
             hasError={ error }
             heading="NEW STATUS POST"
+            onNewPostChange={this.onNewPostChange}
             titlePlaceholder="Share the latest project updates with the team"
           />
         }
@@ -203,7 +241,7 @@ class FeedView extends React.Component {
   }
 }
 const enhance = spinnerWhileLoading(props => !props.isLoading)
-const EnhancedFeedView = enhance(FeedView)
+const EnhancedFeedView = withRouter(enhance(FeedView))
 
 
 class FeedContainer extends React.Component {

src/projects/detail/containers/MessagesContainer.js

@@ -1,5 +1,6 @@
 import _ from 'lodash'
 import React from 'react'
+import { withRouter } from 'react-router'
 import { connect } from 'react-redux'
 import update from 'react-addons-update'
 import MessageList from '../../../components/MessageList/MessageList'
@@ -30,12 +31,30 @@ class MessagesView extends React.Component {
 
   constructor(props) {
     super(props)
-    this.state = { threads : [], activeThreadId : null, showEmptyState : true, showAll: []}
+    this.state = {
+      threads : [],
+      activeThreadId : null,
+      showEmptyState : true,
+      showAll: [],
+      newPost: {}
+    }
     this.onThreadSelect = this.onThreadSelect.bind(this)
     this.onShowAllComments = this.onShowAllComments.bind(this)
     this.onAddNewMessage = this.onAddNewMessage.bind(this)
     this.onNewMessageChange = this.onNewMessageChange.bind(this)
     this.onNewThread = this.onNewThread.bind(this)
+    this.onLeave = this.onLeave.bind(this)
+    this.isChanged = this.isChanged.bind(this)
+    this.onNewPostChange = this.onNewPostChange.bind(this)
+    this.changeThread = this.changeThread.bind(this)
+    this.onNewThreadClick = this.onNewThreadClick.bind(this)
+    this.showNewThreadForm = this.showNewThreadForm.bind(this)
+  }
+
+  componentDidMount() {
+    const routeLeaveHook = this.props.router.setRouteLeaveHook(this.props.route, this.onLeave)
+    window.addEventListener('beforeunload', this.onLeave)
+    this.setState({ routeLeaveHook })
   }
 
   componentWillMount() {
@@ -46,6 +65,27 @@ class MessagesView extends React.Component {
     this.init(nextProps)
   }
 
+  componentWillUnmount() {
+    window.removeEventListener('beforeunload', this.onLeave)
+    if (this.state.routeLeaveHook) {
+      this.state.routeLeaveHook()
+    }
+  }
+
+  // Notify user if they navigate away while the form is modified.
+  onLeave(e) {
+    if (this.isChanged()) {
+      return e.returnValue = 'You have uposted content. Are you sure you want to leave?'
+    }
+  }
+
+  isChanged() {
+    const { newPost } = this.state
+    const hasMessage = !_.isUndefined(_.find(this.state.threads, (thread) => thread.newMessage && thread.newMessage.length))
+    const hasThread = (newPost.title && !!newPost.title.trim().length) || ( newPost.content && !!newPost.content.trim().length)
+    return hasThread || hasMessage
+  }
+
   mapFeed(feed, isActive, showAll = false) {
     const { allMembers } = this.props
     const item = _.pick(feed, ['id', 'date', 'read', 'tag', 'title', 'totalPosts', 'userId', 'reference', 'referenceId', 'postIds', 'isAddingComment', 'isLoadingComments', 'error'])
@@ -137,15 +177,28 @@ class MessagesView extends React.Component {
   }
 
   onThreadSelect(thread) {
+    const unsavedContentMsg = this.onLeave({})
+    if (unsavedContentMsg) {
+      const changeConfirmed = confirm(unsavedContentMsg)
+      if (changeConfirmed) {
+        this.changeThread(thread)
+      }
+    } else {
+      this.changeThread(thread)
+    }
+  }
+
+  changeThread(thread) {
     this.setState({
       isCreateNewMessage: false,
+      newPost: {},
       activeThreadId: thread.id,
       threads: this.state.threads.map((item) => {
         if (item.isActive) {
           if (item.id === thread.id) {
             return item
           }
-          return {...item, isActive: false, messages: item.messages.map((msg) => ({...msg, unread: false}))}
+          return {...item, isActive: false, newMessage: '', messages: item.messages.map((msg) => ({...msg, unread: false}))}
         }
         if (item.id === thread.id) {
           return {...item, isActive: true, unreadCount: 0}
@@ -155,6 +208,36 @@ class MessagesView extends React.Component {
     })
   }
 
+  onNewPostChange(title, content) {
+    this.setState({
+      newPost: {title, content}
+    })
+  }
+
+  onNewThreadClick() {
+    const unsavedContentMsg = this.onLeave({})
+    if (unsavedContentMsg) {
+      const changeConfirmed = confirm(unsavedContentMsg)
+      if (changeConfirmed) {
+        this.showNewThreadForm()
+      }
+    } else {
+      this.showNewThreadForm()
+    }
+  }
+
+  showNewThreadForm() {
+    this.setState({
+      isCreateNewMessage: true,
+      threads: this.state.threads.map((item) => {
+        if (item.isActive) {
+          return {...item, newMessage: ''}
+        }
+        return item
+      })
+    })
+  }
+
   onNewMessageChange(content) {
     this.setState({
       threads: this.state.threads.map((item) => {
@@ -200,6 +283,7 @@ class MessagesView extends React.Component {
           <NewPost
             currentUser={currentUser}
             onPost={this.onNewThread}
+            onNewPostChange={ this.onNewPostChange }
             isCreating={isCreatingFeed}
             hasError={error}
             heading="New Discussion Post"
@@ -227,7 +311,7 @@ class MessagesView extends React.Component {
         <div className="messages-container">
             <div className="left-area">
               <MessageList
-                onAdd={() => this.setState({isCreateNewMessage: true})}
+                onAdd={ this.onNewThreadClick }
                 threads={threads}
                 onSelect={this.onThreadSelect}
                 showAddButton={ !!currentMemberRole }
@@ -251,7 +335,7 @@ class MessagesView extends React.Component {
 }
 
 const enhance = spinnerWhileLoading(props => !props.isLoading)
-const EnhancedMessagesView = enhance(MessagesView)
+const EnhancedMessagesView = withRouter(enhance(MessagesView))
 
 class MessagesContainer extends React.Component {
   constructor(props) {