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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var UserStore = require('../stores/user_store.jsx');
var PostStore = require('../stores/post_store.jsx');
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var Mention = require('./mention.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
var MAX_HEIGHT_LIST = 292;
var MAX_ITEMS_IN_LIST = 25;
var ITEM_HEIGHT = 36;
module.exports = React.createClass({
displayName: "MentionList",
componentDidMount: function() {
PostStore.addMentionDataChangeListener(this._onChange);
var self = this;
$('body').on('keypress.mentionlist', '#'+this.props.id,
function(e) {
if (!self.isEmpty() && self.state.mentionText != '-1' && e.which === 13) {
e.stopPropagation();
e.preventDefault();
self.addFirstMention();
}
}
);
$(document).click(function(e) {
if (!($('#'+self.props.id).is(e.target) || $('#'+self.props.id).has(e.target).length ||
('mentionlist' in self.refs && $(self.refs['mentionlist'].getDOMNode()).has(e.target).length))) {
self.setState({mentionText: "-1"})
}
});
},
componentWillUnmount: function() {
PostStore.removeMentionDataChangeListener(this._onChange);
$('body').off('keypress.mentionlist', '#'+this.props.id);
},
_onChange: function(id, mentionText, excludeList) {
if (id !== this.props.id) return;
var newState = this.state;
if (mentionText != null) newState.mentionText = mentionText;
if (excludeList != null) newState.excludeUsers = excludeList;
this.setState(newState);
},
handleClick: function(name) {
AppDispatcher.handleViewAction({
type: ActionTypes.RECIEVED_ADD_MENTION,
id: this.props.id,
username: name
});
this.setState({ mentionText: '-1' });
},
handleKeyDown: function(e, numMentions) {
var selectedMention = this.state.selectedMention <= nunMentions ? this.state.selectedMention : 1;
// Need to be able to know number of mentions, use in conditionals & still
// need to figure out how to highlight the mention I want every time.
// Remember separate Mention Ref within for, second if statement in render
// Maybe have the call there instead? Ehhh maybe not but need that to be able
// to "select" it maybe...
if (e.key === "ArrowUp") {
selectedMention = selectedMention === numMentions ? 1 : selectedMention++;
}
else if (e.key === "ArrowDown") {
selectedMention = selectedMention === 1 ? numMentions : selectedMention--;
}
this.setState({selectedMention: selectedMention});
},
addFirstMention: function() {
if (!this.refs.mention0) return;
this.refs.mention0.handleClick();
},
isEmpty: function() {
return (!this.refs.mention0);
},
alreadyMentioned: function(username) {
var excludeUsers = this.state.excludeUsers;
for (var i = 0; i < excludeUsers.length; i++) {
if (excludeUsers[i] === username) {
return true;
}
}
return false;
},
getInitialState: function() {
return { excludeUsers: [], mentionText: "-1", selectedMention: 1 };
},
render: function() {
var mentionText = this.state.mentionText;
if (mentionText === '-1') return null;
var profiles = UserStore.getActiveOnlyProfiles();
var users = [];
for (var id in profiles) {
users.push(profiles[id]);
}
var all = {};
all.username = "all";
all.full_name = "";
all.secondary_text = "Notifies everyone in the team";
users.push(all);
var channel = {};
channel.username = "channel";
channel.full_name = "";
channel.secondary_text = "Notifies everyone in the channel";
users.push(channel);
users.sort(function(a,b) {
if (a.username < b.username) return -1;
if (a.username > b.username) return 1;
return 0;
});
var mentions = {};
var index = 0;
for (var i = 0; i < users.length && index < MAX_ITEMS_IN_LIST; i++) {
if (this.alreadyMentioned(users[i].username)) continue;
var firstName = "", lastName = "";
if (users[i].full_name.length > 0) {
var splitName = users[i].full_name.split(' ');
firstName = splitName[0].toLowerCase();
lastName = splitName.length > 1 ? splitName[splitName.length-1].toLowerCase() : "";
users[i].secondary_text = users[i].full_name;
}
if (firstName.lastIndexOf(mentionText,0) === 0
|| lastName.lastIndexOf(mentionText,0) === 0 || users[i].username.lastIndexOf(mentionText,0) === 0) {
mentions[i+1] = (
<Mention
ref={'mention' + index}
username={users[i].username}
secondary_text={users[i].secondary_text}
id={users[i].id}
handleClick={this.handleClick} />
);
index++;
}
}
var numMentions = Object.keys(mentions).length;
if (numMentions < 1) return null;
var $mention_tab = $('#'+this.props.id);
var maxHeight = Math.min(MAX_HEIGHT_LIST, $mention_tab.offset().top - 10);
var style = {
height: Math.min(maxHeight, (numMentions*ITEM_HEIGHT) + 4),
width: $mention_tab.parent().width(),
bottom: $(window).height() - $mention_tab.offset().top,
left: $mention_tab.offset().left
};
//mentions[this.state.selectedMention].focus();
return (
<div className="mentions--top" style={style}>
<div ref="mentionlist" className="mentions-box" onKeyDown={this.handleKeyDown.bind(this, numMentions)}>
{ mentions }
</div>
</div>
);
}
});
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