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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var client = require('../utils/client.jsx');
var AsyncClient = require('../utils/async_client.jsx');
var ChannelStore = require('../stores/channel_store.jsx');
var PostStore = require('../stores/post_store.jsx');
var UserStore = require('../stores/user_store.jsx');
var SocketStore = require('../stores/socket_store.jsx');
var MsgTyping = require('./msg_typing.jsx');
var Textbox = require('./textbox.jsx');
var FileUpload = require('./file_upload.jsx');
var FilePreview = require('./file_preview.jsx');
var utils = require('../utils/utils.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
module.exports = React.createClass({
lastTime: 0,
handleSubmit: function(e) {
e.preventDefault();
if (this.state.uploadsInProgress > 0) return;
if (this.state.submitting) return;
var post = {};
post.filenames = [];
post.message = this.state.messageText;
if (post.message.trim().length === 0 && this.state.previews.length === 0) {
return;
}
if (post.message.length > Constants.CHARACTER_LIMIT) {
this.setState({ post_error: 'Post length must be less than '+Constants.CHARACTER_LIMIT+' characters.' });
return;
}
this.setState({ submitting: true });
var user_id = UserStore.getCurrentId();
if (post.message.indexOf("/") == 0) {
client.executeCommand(
this.state.channel_id,
post.message,
false,
function(data) {
PostStore.storeDraft(data.channel_id, user_id, null);
this.setState({ messageText: '', submitting: false, post_error: null, previews: [], server_error: null, limit_error: null });
if (data.goto_location.length > 0) {
window.location.href = data.goto_location;
}
}.bind(this),
function(err){
var state = {}
state.server_error = err.message;
state.submitting = false;
this.setState(state);
}.bind(this)
);
} else {
post.channel_id = this.state.channel_id;
post.filenames = this.state.previews;
post.root_id = this.state.rootId;
post.parent_id = this.state.parentId;
client.createPost(post, ChannelStore.getCurrent(),
function(data) {
PostStore.storeDraft(data.channel_id, data.user_id, null);
this.setState({ messageText: '', submitting: false, post_error: null, previews: [], server_error: null, limit_error: null });
this.resizePostHolder();
AsyncClient.getPosts(true);
var channel = ChannelStore.get(this.state.channel_id);
var member = ChannelStore.getMember(this.state.channel_id);
member.msg_count = channel.total_msg_count;
member.last_viewed_at = (new Date).getTime();
ChannelStore.setChannelMember(member);
}.bind(this),
function(err) {
var state = {}
state.server_error = err.message;
state.submitting = false;
this.setState(state);
}.bind(this)
);
}
$(".post-list-holder-by-time").perfectScrollbar('update');
if (this.state.rootId || this.state.parentId) {
this.setState({rootId: "", parentId: ""});
// clear the active thread since we've now sent our message
AppDispatcher.handleViewAction({
type: ActionTypes.RECEIVED_ACTIVE_THREAD_CHANGED,
root_id: "",
parent_id: ""
});
}
},
componentDidUpdate: function() {
this.resizePostHolder();
},
postMsgKeyPress: function(e) {
if (e.which == 13 && !e.shiftKey && !e.altKey) {
e.preventDefault();
this.refs.textbox.getDOMNode().blur();
this.handleSubmit(e);
}
var t = new Date().getTime();
if ((t - this.lastTime) > 5000) {
SocketStore.sendMessage({channel_id: this.state.channel_id, action: "typing", props: {"parent_id": ""}, state: {} });
this.lastTime = t;
}
},
handleUserInput: function(messageText) {
this.resizePostHolder();
this.setState({messageText: messageText});
// look to see if the message begins with any carets to indicate that it's a reply
var replyMatch = messageText.match(/^\^+/g);
if (replyMatch) {
// the number of carets indicates how many message threads back we're replying to
var caretCount = replyMatch[0].length;
var posts = PostStore.getCurrentPosts();
var rootId = "";
// find the nth most recent post that isn't a comment on another (ie it has no parent) where n is caretCount
for (var i = 0; i < posts.order.length; i++) {
var postId = posts.order[i];
if (posts.posts[postId].parent_id === "") {
if (caretCount == 1) {
rootId = postId;
break;
} else {
caretCount -= 1;
}
}
}
if (rootId) {
// only dispatch an event if something changed
if (rootId != this.state.rootId) {
// set the parent id to match the root id so that we're replying to the first post in the thread
var parentId = rootId;
// alert the post list so that it can display the active thread
AppDispatcher.handleViewAction({
type: ActionTypes.RECEIVED_ACTIVE_THREAD_CHANGED,
root_id: rootId,
parent_id: parentId
});
}
} else {
// we couldn't find a post to respond to so clear the active thread
AppDispatcher.handleViewAction({
type: ActionTypes.RECEIVED_ACTIVE_THREAD_CHANGED,
root_id: "",
parent_id: ""
});
}
} else {
if (this.state.rootId || this.state.parentId) {
// clear the active thread since there no longer is one
AppDispatcher.handleViewAction({
type: ActionTypes.RECEIVED_ACTIVE_THREAD_CHANGED,
root_id: "",
parent_id: ""
});
}
}
var draft = PostStore.getCurrentDraft();
if (!draft) {
draft = {}
draft['previews'] = [];
draft['uploadsInProgress'] = 0;
}
draft['message'] = messageText;
PostStore.storeCurrentDraft(draft);
},
resizePostHolder: function() {
var height = $(window).height() - $(this.refs.topDiv.getDOMNode()).height() - $('#error_bar').outerHeight() - 50;
$(".post-list-holder-by-time").css("height", height + "px");
$(window).trigger('resize');
},
handleFileUpload: function(newPreviews, channel_id) {
var draft = PostStore.getDraft(channel_id, UserStore.getCurrentId());
if (!draft) {
draft = {}
draft['message'] = '';
draft['uploadsInProgress'] = 0;
draft['previews'] = [];
}
if (channel_id === this.state.channel_id) {
var num = this.state.uploadsInProgress;
var oldPreviews = this.state.previews;
var previews = oldPreviews.concat(newPreviews);
draft['previews'] = previews;
draft['uploadsInProgress'] = num-1;
PostStore.storeCurrentDraft(draft);
this.setState({previews: previews, uploadsInProgress:num-1});
} else {
draft['previews'] = draft['previews'].concat(newPreviews);
draft['uploadsInProgress'] = draft['uploadsInProgress'] > 0 ? draft['uploadsInProgress'] - 1 : 0;
PostStore.storeDraft(channel_id, UserStore.getCurrentId(), draft);
}
},
handleUploadError: function(err) {
this.setState({ server_error: err });
},
removePreview: function(filename) {
var previews = this.state.previews;
for (var i = 0; i < previews.length; i++) {
if (previews[i] === filename) {
previews.splice(i, 1);
break;
}
}
var draft = PostStore.getCurrentDraft();
if (!draft) {
draft = {}
draft['message'] = '';
draft['uploadsInProgress'] = 0;
}
draft['previews'] = previews;
PostStore.storeCurrentDraft(draft);
this.setState({previews: previews});
},
componentDidMount: function() {
ChannelStore.addChangeListener(this._onChange);
PostStore.addActiveThreadChangedListener(this._onActiveThreadChanged);
this.resizePostHolder();
},
componentWillUnmount: function() {
ChannelStore.removeChangeListener(this._onChange);
PostStore.removeActiveThreadChangedListener(this._onActiveThreadChanged);
},
_onChange: function() {
var channel_id = ChannelStore.getCurrentId();
if (this.state.channel_id != channel_id) {
var draft = PostStore.getCurrentDraft();
var previews = [];
var messageText = '';
var uploadsInProgress = 0;
if (draft) {
previews = draft['previews'];
messageText = draft['message'];
uploadsInProgress = draft['uploadsInProgress'];
}
this.setState({ channel_id: channel_id, messageText: messageText, initialText: messageText, submitting: false, post_error: null, previews: previews, uploadsInProgress: uploadsInProgress });
}
},
_onActiveThreadChanged: function(rootId, parentId) {
// note that we register for our own events and set the state from there so we don't need to manually set
// our state and dispatch an event each time the active thread changes
this.setState({"rootId": rootId, "parentId": parentId});
},
getInitialState: function() {
PostStore.clearDraftUploads();
var draft = PostStore.getCurrentDraft();
var previews = [];
var messageText = '';
if (draft) {
previews = draft['previews'];
messageText = draft['message'];
}
return { channel_id: ChannelStore.getCurrentId(), messageText: messageText, uploadsInProgress: 0, previews: previews, submitting: false, initialText: messageText };
},
setUploads: function(val) {
var oldInProgress = this.state.uploadsInProgress
var newInProgress = oldInProgress + val;
if (newInProgress + this.state.previews.length > Constants.MAX_UPLOAD_FILES) {
newInProgress = Constants.MAX_UPLOAD_FILES - this.state.previews.length;
this.setState({limit_error: "Uploads limited to " + Constants.MAX_UPLOAD_FILES + " files maximum. Please use additional posts for more files."});
} else {
this.setState({limit_error: null});
}
var numToUpload = newInProgress - oldInProgress;
if (numToUpload <= 0) return 0;
var draft = PostStore.getCurrentDraft();
if (!draft) {
draft = {}
draft['message'] = '';
draft['previews'] = [];
}
draft['uploadsInProgress'] = newInProgress;
PostStore.storeCurrentDraft(draft);
this.setState({uploadsInProgress: newInProgress});
return numToUpload;
},
render: function() {
var server_error = this.state.server_error ? <div className='has-error'><label className='control-label'>{ this.state.server_error }</label></div> : null;
var post_error = this.state.post_error ? <label className='control-label'>{this.state.post_error}</label> : null;
var limit_error = this.state.limit_error ? <div className='has-error'><label className='control-label'>{this.state.limit_error}</label></div> : null;
var preview = <div/>;
if (this.state.previews.length > 0 || this.state.uploadsInProgress > 0) {
preview = (
<FilePreview
files={this.state.previews}
onRemove={this.removePreview}
uploadsInProgress={this.state.uploadsInProgress} />
);
}
return (
<form id="create_post" ref="topDiv" role="form" onSubmit={this.handleSubmit}>
<div className="post-create">
<div className="post-create-body">
<Textbox
onUserInput={this.handleUserInput}
onKeyPress={this.postMsgKeyPress}
messageText={this.state.messageText}
createMessage="Write a message..."
channelId={this.state.channel_id}
id="post_textbox"
ref="textbox" />
<FileUpload
setUploads={this.setUploads}
onFileUpload={this.handleFileUpload}
onUploadError={this.handleUploadError} />
</div>
<div className={post_error ? 'post-create-footer has-error' : 'post-create-footer'}>
{ post_error }
{ server_error }
{ limit_error }
{ preview }
<MsgTyping channelId={this.state.channel_id} parentId=""/>
</div>
</div>
</form>
);
}
});
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