Files
mattermost/web/react/components/post_list.jsx
Corey Hulen beffcc0a3c Merge pull request #201 from hmhealey/mm1539
MM-1539 Added the ability to reply to earlier message threads by starting a post with ^
2015-07-22 10:45:57 -08:00

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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var PostStore = require('../stores/post_store.jsx');
var ChannelStore = require('../stores/channel_store.jsx');
var UserStore = require('../stores/user_store.jsx');
var UserProfile = require( './user_profile.jsx' );
var AsyncClient = require('../utils/async_client.jsx');
var Post = require('./post.jsx');
var LoadingScreen = require('./loading_screen.jsx');
var SocketStore = require('../stores/socket_store.jsx');
var utils = require('../utils/utils.jsx');
var Client = require('../utils/client.jsx');
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
function getStateFromStores() {
var channel = ChannelStore.getCurrent();
if (channel == null) channel = {};
return {
post_list: PostStore.getCurrentPosts(),
channel: channel,
activeThreadRootId: ""
};
}
module.exports = React.createClass({
displayName: "PostList",
scrollPosition: 0,
preventScrollTrigger: false,
gotMorePosts: false,
oldScrollHeight: 0,
oldZoom: 0,
scrolledToNew: false,
componentDidMount: function() {
var user = UserStore.getCurrentUser();
if (user.props && user.props.theme) {
utils.changeCss('a.theme', 'color:'+user.props.theme+'; fill:'+user.props.theme+'!important;');
utils.changeCss('div.theme', 'background-color:'+user.props.theme+';');
utils.changeCss('.btn.btn-primary', 'background: ' + user.props.theme+';');
utils.changeCss('.btn.btn-primary:hover, .btn.btn-primary:active, .btn.btn-primary:focus', 'background: ' + utils.changeColor(user.props.theme, -10) +';');
utils.changeCss('.modal .modal-header', 'background: ' + user.props.theme+';');
utils.changeCss('.mention', 'background: ' + user.props.theme+';');
utils.changeCss('.mention-link', 'color: ' + user.props.theme+';');
utils.changeCss('@media(max-width: 768px){.search-bar__container', 'background: ' + user.props.theme+';}');
}
PostStore.addChangeListener(this._onChange);
ChannelStore.addChangeListener(this._onChange);
UserStore.addStatusesChangeListener(this._onTimeChange);
SocketStore.addChangeListener(this._onSocketChange);
PostStore.addActiveThreadChangedListener(this._onActiveThreadChanged);
$(".post-list-holder-by-time").perfectScrollbar();
this.resize();
var post_holder = $(".post-list-holder-by-time")[0];
this.scrollPosition = $(post_holder).scrollTop() + $(post_holder).innerHeight();
this.oldScrollHeight = post_holder.scrollHeight;
this.oldZoom = (window.outerWidth - 8) / window.innerWidth;
var self = this;
$(window).resize(function(){
$(post_holder).perfectScrollbar('update');
// this only kind of works, detecting zoom in browsers is a nightmare
var newZoom = (window.outerWidth - 8) / window.innerWidth;
if (self.scrollPosition >= post_holder.scrollHeight || (self.oldScrollHeight != post_holder.scrollHeight && self.scrollPosition >= self.oldScrollHeight) || self.oldZoom != newZoom) self.resize();
self.oldZoom = newZoom;
if ($('#create_post').length > 0) {
var height = $(window).height() - $('#create_post').height() - $('#error_bar').outerHeight() - 50;
$(".post-list-holder-by-time").css("height", height + "px");
}
});
$(post_holder).scroll(function(e){
if (!self.preventScrollTrigger) {
self.scrollPosition = $(post_holder).scrollTop() + $(post_holder).innerHeight();
}
self.preventScrollTrigger = false;
});
$('body').on('click.userpopover', function(e){
if ($(e.target).attr('data-toggle') !== 'popover'
&& $(e.target).parents('.popover.in').length === 0) {
$('.user-popover').popover('hide');
}
});
$('.post-list__content div .post').removeClass('post--last');
$('.post-list__content div:last-child .post').addClass('post--last');
$('body').on('mouseenter mouseleave', '.post', function(ev){
if(ev.type === 'mouseenter'){
$(this).parent('div').prev('.date-separator, .new-separator').addClass('hovered--after');
$(this).parent('div').next('.date-separator, .new-separator').addClass('hovered--before');
}
else {
$(this).parent('div').prev('.date-separator, .new-separator').removeClass('hovered--after');
$(this).parent('div').next('.date-separator, .new-separator').removeClass('hovered--before');
}
});
$('body').on('mouseenter mouseleave', '.post.post--comment.same--root', function(ev){
if(ev.type === 'mouseenter'){
$(this).parent('div').prev('.date-separator, .new-separator').addClass('hovered--comment');
$(this).parent('div').next('.date-separator, .new-separator').addClass('hovered--comment');
}
else {
$(this).parent('div').prev('.date-separator, .new-separator').removeClass('hovered--comment');
$(this).parent('div').next('.date-separator, .new-separator').removeClass('hovered--comment');
}
});
},
componentDidUpdate: function() {
this.resize();
var post_holder = $(".post-list-holder-by-time")[0];
this.scrollPosition = $(post_holder).scrollTop() + $(post_holder).innerHeight();
this.oldScrollHeight = post_holder.scrollHeight;
$('.post-list__content div .post').removeClass('post--last');
$('.post-list__content div:last-child .post').addClass('post--last');
},
componentWillUnmount: function() {
PostStore.removeChangeListener(this._onChange);
ChannelStore.removeChangeListener(this._onChange);
UserStore.removeStatusesChangeListener(this._onTimeChange);
SocketStore.removeChangeListener(this._onSocketChange);
PostStore.removeActiveThreadChangedListener(this._onActiveThreadChanged);
$('body').off('click.userpopover');
},
resize: function() {
var post_holder = $(".post-list-holder-by-time")[0];
this.preventScrollTrigger = true;
if (this.gotMorePosts) {
this.gotMorePosts = false;
$(post_holder).scrollTop($(post_holder).scrollTop() + (post_holder.scrollHeight-this.oldScrollHeight) );
} else {
if ($("#new_message")[0] && !this.scrolledToNew) {
$(post_holder).scrollTop($(post_holder).scrollTop() + $("#new_message").offset().top - 63);
this.scrolledToNew = true;
} else {
$(post_holder).scrollTop(post_holder.scrollHeight);
}
}
$(post_holder).perfectScrollbar('update');
},
_onChange: function() {
var newState = getStateFromStores();
if (!utils.areStatesEqual(newState, this.state)) {
if (this.state.post_list && this.state.post_list.order) {
if (this.state.channel.id === newState.channel.id && this.state.post_list.order.length != newState.post_list.order.length && newState.post_list.order.length > Constants.POST_CHUNK_SIZE) {
this.gotMorePosts = true;
}
}
if (this.state.channel.id !== newState.channel.id) {
this.scrolledToNew = false;
}
this.setState(newState);
}
},
_onSocketChange: function(msg) {
if (msg.action == "posted") {
var post = JSON.parse(msg.props.post);
var post_list = PostStore.getPosts(msg.channel_id);
if (!post_list) return;
post_list.posts[post.id] = post;
if (post_list.order.indexOf(post.id) === -1) {
post_list.order.unshift(post.id);
}
if (this.state.channel.id === msg.channel_id) {
this.setState({ post_list: post_list });
};
PostStore.storePosts(post.channel_id, post_list);
} else if (msg.action == "post_edited") {
if (this.state.channel.id == msg.channel_id) {
var post_list = this.state.post_list;
if (!(msg.props.post_id in post_list.posts)) return;
var post = post_list.posts[msg.props.post_id];
post.message = msg.props.message;
post_list.posts[post.id] = post;
this.setState({ post_list: post_list });
PostStore.storePosts(msg.channel_id, post_list);
} else {
AsyncClient.getPosts(true, msg.channel_id);
}
} else if (msg.action == "post_deleted") {
var activeRoot = $(document.activeElement).closest('.comment-create-body')[0];
var activeRootPostId = activeRoot && activeRoot.id.length > 0 ? activeRoot.id : "";
if (this.state.channel.id == msg.channel_id) {
var post_list = this.state.post_list;
if (!(msg.props.post_id in this.state.post_list.posts)) return;
delete post_list.posts[msg.props.post_id];
var index = post_list.order.indexOf(msg.props.post_id);
if (index > -1) post_list.order.splice(index, 1);
this.setState({ post_list: post_list });
PostStore.storePosts(msg.channel_id, post_list);
} else {
AsyncClient.getPosts(true, msg.channel_id);
}
if (activeRootPostId === msg.props.post_id && UserStore.getCurrentId() != msg.user_id) {
$('#post_deleted').modal('show');
}
} else if (msg.action == "new_user") {
AsyncClient.getProfiles();
}
},
_onTimeChange: function() {
if (!this.state.post_list) return;
for (var id in this.state.post_list.posts) {
if (!this.refs[id]) continue;
this.refs[id].forceUpdateInfo();
}
},
_onActiveThreadChanged: function(rootId, parentId) {
this.setState({"activeThreadRootId": rootId});
},
getMorePosts: function(e) {
e.preventDefault();
if (!this.state.post_list) return;
var posts = this.state.post_list.posts;
var order = this.state.post_list.order;
var channel_id = this.state.channel.id;
$(this.refs.loadmore.getDOMNode()).text("Retrieving more messages...");
var self = this;
var currentPos = $(".post-list").scrollTop;
Client.getPosts(
channel_id,
order.length,
Constants.POST_CHUNK_SIZE,
function(data) {
$(self.refs.loadmore.getDOMNode()).text("Load more messages");
if (!data) return;
if (data.order.length === 0) return;
var post_list = {}
post_list.posts = $.extend(posts, data.posts);
post_list.order = order.concat(data.order);
AppDispatcher.handleServerAction({
type: ActionTypes.RECIEVED_POSTS,
id: channel_id,
post_list: post_list
});
Client.getProfiles();
$(".post-list").scrollTop(currentPos);
},
function(err) {
$(self.refs.loadmore.getDOMNode()).text("Load more messages");
AsyncClient.dispatchError(err, "getPosts");
}
);
},
getInitialState: function() {
return getStateFromStores();
},
render: function() {
var order = [];
var posts;
var last_viewed = Number.MAX_VALUE;
if (ChannelStore.getCurrentMember() != null)
last_viewed = ChannelStore.getCurrentMember().last_viewed_at;
if (this.state.post_list != null) {
posts = this.state.post_list.posts;
order = this.state.post_list.order;
}
var rendered_last_viewed = false;
var user_id = "";
if (UserStore.getCurrentId()) {
user_id = UserStore.getCurrentId();
} else {
return <div/>;
}
var channel = this.state.channel;
var more_messages = <p className="beginning-messages-text">Beginning of Channel</p>;
if (channel != null) {
if (order.length > 0 && order.length % Constants.POST_CHUNK_SIZE === 0) {
more_messages = <a ref="loadmore" className="more-messages-text theme" href="#" onClick={this.getMorePosts}>Load more messages</a>;
} else if (channel.type === 'D') {
var teammate = utils.getDirectTeammate(channel.id)
if (teammate) {
var teammate_name = teammate.nickname.length > 0 ? teammate.nickname : teammate.username;
more_messages = (
<div className="channel-intro">
<div className="post-profile-img__container channel-intro-img">
<img className="post-profile-img" src={"/api/v1/users/" + teammate.id + "/image?time=" + teammate.update_at} height="50" width="50" />
</div>
<div className="channel-intro-profile">
<strong><UserProfile userId={teammate.id} /></strong>
</div>
<p className="channel-intro-text">
{"This is the start of your private message history with " + teammate_name + "." }<br/>
{"Private messages and files shared here are not shown to people outside this area."}
</p>
</div>
);
} else {
more_messages = (
<div className="channel-intro">
<p className="channel-intro-text">{"This is the start of your private message history with this " + strings.Team + "mate. Private messages and files shared here are not shown to people outside this area."}</p>
</div>
);
}
} else if (channel.type === 'P' || channel.type === 'O') {
var ui_name = channel.display_name
var members = ChannelStore.getCurrentExtraInfo().members;
var creator_name = "";
var userStyle = { color: UserStore.getCurrentUser().props.theme }
for (var i = 0; i < members.length; i++) {
if (members[i].roles.indexOf('admin') > -1) {
creator_name = members[i].username;
break;
}
}
if (ChannelStore.isDefault(channel)) {
more_messages = (
<div className="channel-intro">
<h4 className="channel-intro__title">Beginning of {ui_name}</h4>
<p className="channel-intro__content">
Welcome to {ui_name}!
<br/><br/>
{"This is the first channel " + strings.Team + "mates see when they"}
<br/>
sign up - use it for posting updates everyone needs to know.
<br/><br/>
To create a new channel or join an existing one, go to
<br/>
the Left Hand Sidebar under Channels and click More.
<br/>
</p>
</div>
);
} else if (channel.name === Constants.OFFTOPIC_CHANNEL) {
more_messages = (
<div className="channel-intro">
<h4 className="channel-intro__title">Beginning of {ui_name}</h4>
<p className="channel-intro__content">
{"This is the start of " + ui_name + ", a channel for conversations youd prefer out of more focused channels."}
<br/>
</p>
<a className="intro-links" href="#" style={userStyle} data-toggle="modal" data-target="#edit_channel" data-desc={channel.description} data-title={ui_name} data-channelid={channel.id}><i className="fa fa-pencil"></i>Set a description</a>
</div>
);
} else {
var ui_type = channel.type === 'P' ? "private group" : "channel";
more_messages = (
<div className="channel-intro">
<h4 className="channel-intro__title">Beginning of {ui_name}</h4>
<p className="channel-intro__content">
{ creator_name != "" ? "This is the start of the " + ui_name + " " + ui_type + ", created by " + creator_name + " on " + utils.displayDate(channel.create_at) + "."
: "This is the start of the " + ui_name + " " + ui_type + ", created on "+ utils.displayDate(channel.create_at) + "." }
{ channel.type === 'P' ? " Only invited members can see this private group." : " Any member can join and read this channel." }
<br/>
</p>
<a className="intro-links" href="#" style={userStyle} data-toggle="modal" data-target="#edit_channel" data-desc={channel.description} data-title={channel.display_name} data-channelid={channel.id}><i className="fa fa-pencil"></i>Set a description</a>
<a className="intro-links" href="#" style={userStyle} data-toggle="modal" data-target="#channel_invite"><i className="fa fa-user-plus"></i>Invite others to this {ui_type}</a>
</div>
);
}
}
}
var postCtls = [];
if (posts) {
var previousPostDay = posts[order[order.length-1]] ? utils.getDateForUnixTicks(posts[order[order.length-1]].create_at): new Date();
var currentPostDay;
for (var i = order.length-1; i >= 0; i--) {
var post = posts[order[i]];
var parentPost = post.parent_id ? posts[post.parent_id] : null;
var sameUser = '';
var sameRoot = false;
var hideProfilePic = false;
var prevPost = (i < order.length - 1) ? posts[order[i + 1]] : null;
if (prevPost) {
sameUser = (prevPost.user_id === post.user_id) && (post.create_at - prevPost.create_at <= 1000*60*5) ? "same--user" : "";
sameRoot = utils.isComment(post) && (prevPost.id === post.root_id || prevPost.root_id === post.root_id);
// we only hide the profile pic if the previous post is not a comment, the current post is not a comment, and the previous post was made by the same user as the current post
hideProfilePic = (prevPost.user_id === post.user_id) && !utils.isComment(prevPost) && !utils.isComment(post);
}
// check if it's the last comment in a consecutive string of comments on the same post
// it is the last comment if it is last post in the channel or the next post has a different root post
var isLastComment = utils.isComment(post) && (i === 0 || posts[order[i-1]].root_id != post.root_id);
// check if this is part of the thread that we're currently replying to
var isActiveThread = this.state.activeThreadRootId && (post.id === this.state.activeThreadRootId || post.root_id === this.state.activeThreadRootId);
var postCtl = (
<Post ref={post.id} sameUser={sameUser} sameRoot={sameRoot} post={post} parentPost={parentPost} key={post.id}
posts={posts} hideProfilePic={hideProfilePic} isLastComment={isLastComment} isActiveThread={isActiveThread}
/>
);
currentPostDay = utils.getDateForUnixTicks(post.create_at);
if (currentPostDay.toDateString() != previousPostDay.toDateString()) {
postCtls.push(
<div className="date-separator">
<hr className="separator__hr" />
<div className="separator__text">{currentPostDay.toDateString()}</div>
</div>
);
}
if (post.create_at > last_viewed && !rendered_last_viewed) {
rendered_last_viewed = true;
postCtls.push(
<div className="new-separator">
<hr id="new_message" className="separator__hr" />
<div className="separator__text">New Messages</div>
</div>
);
}
postCtls.push(postCtl);
previousPostDay = currentPostDay;
}
} else {
postCtls.push(<LoadingScreen position="absolute" />);
}
return (
<div ref="postlist" className="post-list-holder-by-time">
<div className="post-list__table">
<div className="post-list__content">
{ more_messages }
{ postCtls }
</div>
</div>
</div>
);
}
});