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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 Utils = require('../utils/utils.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('keydown.mentionlist', '#'+this.props.id,
function(e) {
if (!self.isEmpty() && self.state.mentionText != '-1' && (e.which === 13 || e.which === 9)) {
e.stopPropagation();
e.preventDefault();
self.addCurrentMention();
}
else if (!self.isEmpty() && self.state.mentionText != '-1' && (e.which === 38 || e.which === 40)) {
e.stopPropagation();
e.preventDefault();
var tempSelectedMention = -1;
if (e.which === 38) {
if (self.getSelection(self.state.selectedMention - 1))
self.setState({ selectedMention: self.state.selectedMention - 1, selectedUsername: self.refs['mention' + (self.state.selectedMention - 1)].props.username });
else {
while (self.getSelection(++tempSelectedMention))
; //Need to find the top of the list
self.setState({ selectedMention: tempSelectedMention - 1, selectedUsername: self.refs['mention' + (tempSelectedMention - 1)].props.username });
}
}
else if (e.which === 40) {
if (self.getSelection(self.state.selectedMention + 1))
self.setState({ selectedMention: self.state.selectedMention + 1, selectedUsername: self.refs['mention' + (self.state.selectedMention + 1)].props.username });
else
self.setState({ selectedMention: 0, selectedUsername: self.refs.mention0.props.username });
}
self.scrollToMention(e.which, tempSelectedMention);
}
}
);
$(document).click(function(e) {
if (!($('#'+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('keydown.mentionlist', '#'+this.props.id);
},
componentDidUpdate: function() {
if (this.state.mentionText != "-1") {
if (this.state.selectedUsername !== "" && (!this.getSelection(this.state.selectedMention) || this.state.selectedUsername !== this.refs['mention' + this.state.selectedMention].props.username)) {
var tempSelectedMention = -1;
var foundMatch = false;
while (tempSelectedMention < this.state.selectedMention && this.getSelection(++tempSelectedMention)) {
if (this.state.selectedUsername === this.refs['mention' + tempSelectedMention].props.username) {
this.setState({ selectedMention: tempSelectedMention });
foundMatch = true;
break;
}
}
if (this.getSelection(0) && !foundMatch) {
this.setState({ selectedMention: 0, selectedUsername: this.refs.mention0.props.username });
}
}
}
else if (this.state.selectedMention !== 0) {
this.setState({ selectedMention: 0, selectedUsername: "" });
}
},
_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' });
},
handleMouseEnter: function(listId) {
this.setState({ selectedMention: listId, selectedUsername: this.refs['mention' + listId].props.username });
},
getSelection: function(listId) {
if (!this.refs['mention' + listId])
return false;
else
return true;
},
addCurrentMention: function() {
if (!this.getSelection(this.state.selectedMention))
this.addFirstMention();
else
this.refs['mention' + this.state.selectedMention].handleClick();
},
addFirstMention: function() {
if (!this.refs.mention0) return;
this.refs.mention0.handleClick();
},
isEmpty: function() {
return (!this.refs.mention0);
},
scrollToMention: function(keyPressed, ifLoopUp) {
var direction = keyPressed === 38 ? "up" : "down";
var scrollAmount = 0;
if (direction === "up" && ifLoopUp !== -1)
scrollAmount = $("#mentionsbox").height() * 100; //Makes sure that it scrolls all the way to the bottom
else if (direction === "down" && this.state.selectedMention === 0)
scrollAmount = 0;
else if (direction === "up")
scrollAmount = "-=" + ($('#'+this.refs['mention' + this.state.selectedMention].props.id +"_mentions").innerHeight() - 5);
else if (direction === "down")
scrollAmount = "+=" + ($('#'+this.refs['mention' + this.state.selectedMention].props.id +"_mentions").innerHeight() - 5);
$("#mentionsbox").animate({
scrollTop: scrollAmount
}, 75);
},
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: 0, selectedUsername: "" };
},
render: function() {
var self = this;
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.nickname = "";
all.secondary_text = "Notifies everyone in the team";
all.id = "allmention";
users.push(all);
var channel = {};
channel.username = "channel";
channel.nickname = "";
channel.secondary_text = "Notifies everyone in the channel";
channel.id = "channelmention";
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;
if ((users[i].first_name && users[i].first_name.lastIndexOf(mentionText,0) === 0)
|| (users[i].last_name && users[i].last_name.lastIndexOf(mentionText,0) === 0) || users[i].username.lastIndexOf(mentionText,0) === 0) {
mentions[index] = (
<Mention
ref={'mention' + index}
username={users[i].username}
secondary_text={Utils.getFullName(users[i])}
id={users[i].id}
listId={index}
isFocused={this.state.selectedMention === index ? "mentions-focus" : ""}
handleMouseEnter={function(value) { return function() { self.handleMouseEnter(value); } }(index)}
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
};
return (
<div className="mentions--top" style={style}>
<div ref="mentionlist" className="mentions-box" id="mentionsbox">
{ mentions }
</div>
</div>
);
}
});
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