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773 lines
22 KiB
773 lines
22 KiB
/*
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* # Semantic - Chatroom
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* http://github.com/jlukic/semantic-ui/
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*
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*
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* Copyright 2013 Contributors
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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;(function ($, window, document, undefined) {
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$.fn.chatroom = function(parameters) {
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var
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$allModules = $(this),
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moduleSelector = $allModules.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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returnedValue
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;
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$(this)
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.each(function() {
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var
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settings = $.extend(true, {}, $.fn.chatroom.settings, parameters),
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className = settings.className,
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namespace = settings.namespace,
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selector = settings.selector,
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error = settings.error,
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$module = $(this),
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$expandButton = $module.find(selector.expandButton),
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$userListButton = $module.find(selector.userListButton),
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$userList = $module.find(selector.userList),
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$room = $module.find(selector.room),
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$userCount = $module.find(selector.userCount),
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$log = $module.find(selector.log),
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$message = $module.find(selector.message),
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$messageInput = $module.find(selector.messageInput),
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$messageButton = $module.find(selector.messageButton),
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instance = $module.data('module'),
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element = this,
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html = '',
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users = {},
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channel,
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loggedInUser,
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message,
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count,
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height,
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pusher,
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module
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;
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module = {
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width: {
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log : $log.width(),
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userList : $userList.outerWidth()
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},
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initialize: function() {
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// check error conditions
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if(Pusher === undefined) {
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module.error(error.pusher);
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}
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if(settings.key === undefined || settings.channelName === undefined) {
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module.error(error.key);
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return false;
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}
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else if( !(settings.endpoint.message || settings.endpoint.authentication) ) {
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module.error(error.endpoint);
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return false;
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}
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// define pusher
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pusher = new Pusher(settings.key);
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Pusher.channel_auth_endpoint = settings.endpoint.authentication;
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channel = pusher.subscribe(settings.channelName);
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channel.bind('pusher:subscription_succeeded', module.user.list.create);
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channel.bind('pusher:subscription_error', module.error);
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channel.bind('pusher:member_added', module.user.joined);
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channel.bind('pusher:member_removed', module.user.left);
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channel.bind('update_messages', module.message.receive);
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$.each(settings.customEvents, function(label, value) {
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channel.bind(label, value);
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});
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// bind module events
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$userListButton
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.on('click.' + namespace, module.event.toggleUserList)
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;
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$expandButton
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.on('click.' + namespace, module.event.toggleExpand)
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;
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$messageInput
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.on('keydown.' + namespace, module.event.input.keydown)
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.on('keyup.' + namespace, module.event.input.keyup)
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;
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$messageButton
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.on('mouseenter.' + namespace, module.event.hover)
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.on('mouseleave.' + namespace, module.event.hover)
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.on('click.' + namespace, module.event.submit)
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;
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// scroll to bottom of chat log
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$log
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.animate({
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scrollTop: $log.prop('scrollHeight')
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}, 400)
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;
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$module
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.data('module', module)
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.addClass(className.loading)
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;
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},
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// refresh module
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refresh: function() {
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// reset width calculations
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$userListButton
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.removeClass(className.active)
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;
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module.width = {
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log : $log.width(),
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userList : $userList.outerWidth()
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};
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if( $userListButton.hasClass(className.active) ) {
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module.user.list.hide();
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}
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$module.data('module', module);
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},
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user: {
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updateCount: function() {
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if(settings.userCount) {
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users = $module.data('users');
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count = 0;
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$.each(users, function() {
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count++;
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});
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$userCount
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.html( settings.templates.userCount(count) )
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;
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}
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},
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// add user to user list
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joined: function(member) {
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users = $module.data('users');
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if(member.id != 'anonymous' && users[ member.id ] === undefined ) {
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users[ member.id ] = member.info;
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if(settings.randomColor && member.info.color === undefined) {
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member.info.color = settings.templates.color(member.id);
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}
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html = settings.templates.userList(member.info);
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if(member.info.isAdmin) {
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$(html)
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.prependTo($userList)
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;
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}
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else {
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$(html)
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.appendTo($userList)
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;
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}
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if(settings.partingMessages) {
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$log
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.append( settings.templates.joined(member.info) )
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;
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module.message.scroll.test();
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}
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module.user.updateCount();
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}
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},
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// remove user from user list
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left: function(member) {
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users = $module.data('users');
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if(member !== undefined && member.id !== 'anonymous') {
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delete users[ member.id ];
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$module
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.data('users', users)
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;
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$userList
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.find('[data-id='+ member.id + ']')
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.remove()
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;
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if(settings.partingMessages) {
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$log
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.append( settings.templates.left(member.info) )
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;
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module.message.scroll.test();
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}
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module.user.updateCount();
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}
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},
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list: {
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// receives list of members and generates user list
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create: function(members) {
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users = {};
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members.each(function(member) {
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if(member.id !== 'anonymous' && member.id !== 'undefined') {
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if(settings.randomColor && member.info.color === undefined) {
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member.info.color = settings.templates.color(member.id);
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}
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// sort list with admin first
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html = (member.info.isAdmin)
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? settings.templates.userList(member.info) + html
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: html + settings.templates.userList(member.info)
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;
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users[ member.id ] = member.info;
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}
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});
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$module
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.data('users', users)
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.data('user', users[members.me.id] )
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.removeClass(className.loading)
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;
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$userList
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.html(html)
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;
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module.user.updateCount();
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$.proxy(settings.onJoin, $userList.children())();
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},
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// shows user list
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show: function() {
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$log
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.animate({
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width: (module.width.log - module.width.userList)
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}, {
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duration : settings.speed,
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easing : settings.easing,
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complete : module.message.scroll.move
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})
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;
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},
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// hides user list
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hide: function() {
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$log
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.stop()
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.animate({
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width: (module.width.log)
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}, {
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duration : settings.speed,
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easing : settings.easing,
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complete : module.message.scroll.move
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})
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;
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}
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}
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},
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message: {
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// handles scrolling of chat log
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scroll: {
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test: function() {
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height = $log.prop('scrollHeight') - $log.height();
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if( Math.abs($log.scrollTop() - height) < settings.scrollArea) {
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module.message.scroll.move();
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}
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},
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move: function() {
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height = $log.prop('scrollHeight') - $log.height();
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$log
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.scrollTop(height)
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;
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}
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},
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// sends chat message
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send: function(message) {
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if( !module.utils.emptyString(message) ) {
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$.api({
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url : settings.endpoint.message,
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method : 'POST',
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data : {
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'message': {
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content : message,
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timestamp : new Date().getTime()
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}
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}
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});
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}
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},
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// receives chat response and processes
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receive: function(response) {
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message = response.data;
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users = $module.data('users');
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loggedInUser = $module.data('user');
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if(users[ message.userID] !== undefined) {
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// logged in user's messages already pushed instantly
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if(loggedInUser === undefined || loggedInUser.id != message.userID) {
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message.user = users[ message.userID ];
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module.message.display(message);
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}
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}
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},
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// displays message in chat log
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display: function(message) {
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$log
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.append( settings.templates.message(message) )
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;
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module.message.scroll.test();
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$.proxy(settings.onMessage, $log.children().last() )();
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}
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},
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expand: function() {
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$module
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.addClass(className.expand)
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;
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$.proxy(settings.onExpand, $module )();
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module.refresh();
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},
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contract: function() {
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$module
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.removeClass(className.expand)
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;
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$.proxy(settings.onContract, $module )();
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module.refresh();
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},
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event: {
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input: {
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keydown: function(event) {
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if(event.which == 13) {
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$messageButton
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.addClass(className.down)
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;
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}
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},
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keyup: function(event) {
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if(event.which == 13) {
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$messageButton
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.removeClass(className.down)
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;
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module.event.submit();
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}
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}
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},
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// handles message form submit
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submit: function() {
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var
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message = $messageInput.val(),
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loggedInUser = $module.data('user')
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;
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if(loggedInUser !== undefined && !module.utils.emptyString(message)) {
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module.message.send(message);
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// display immediately
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module.message.display({
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user: loggedInUser,
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text: message
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});
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module.message.scroll.move();
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$messageInput
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.val('')
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;
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}
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},
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// handles button click on expand button
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toggleExpand: function() {
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if( !$module.hasClass(className.expand) ) {
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$expandButton
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.addClass(className.active)
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;
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module.expand();
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}
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else {
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$expandButton
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.removeClass(className.active)
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;
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module.contract();
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}
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},
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// handles button click on user list button
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toggleUserList: function() {
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if( !$log.is(':animated') ) {
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if( !$userListButton.hasClass(className.active) ) {
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$userListButton
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.addClass(className.active)
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;
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module.user.list.show();
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}
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else {
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$userListButton
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.removeClass('active')
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;
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module.user.list.hide();
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}
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}
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}
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},
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utils: {
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emptyString: function(string) {
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if(typeof string == 'string') {
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return (string.search(/\S/) == -1);
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}
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return false;
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}
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},
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setting: function(name, value) {
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if(value !== undefined) {
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if( $.isPlainObject(name) ) {
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$.extend(true, settings, name);
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}
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else {
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settings[name] = value;
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}
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}
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else {
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return settings[name];
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}
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},
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internal: function(name, value) {
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if( $.isPlainObject(name) ) {
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$.extend(true, module, name);
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}
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else if(value !== undefined) {
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module[name] = value;
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}
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else {
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return module[name];
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}
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},
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debug: function() {
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if(settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
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module.debug.apply(console, arguments);
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}
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}
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},
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verbose: function() {
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if(settings.verbose && settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
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module.verbose.apply(console, arguments);
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}
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}
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},
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error: function() {
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module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
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module.error.apply(console, arguments);
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},
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performance: {
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log: function(message) {
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var
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currentTime,
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executionTime,
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previousTime
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;
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if(settings.performance) {
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currentTime = new Date().getTime();
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previousTime = time || currentTime;
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executionTime = currentTime - previousTime;
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time = currentTime;
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performance.push({
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'Element' : element,
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'Name' : message[0],
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'Arguments' : [].slice.call(message, 1) || '',
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'Execution Time' : executionTime
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});
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}
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clearTimeout(module.performance.timer);
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module.performance.timer = setTimeout(module.performance.display, 100);
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},
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display: function() {
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var
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title = settings.name + ':',
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totalTime = 0
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;
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time = false;
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clearTimeout(module.performance.timer);
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$.each(performance, function(index, data) {
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totalTime += data['Execution Time'];
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});
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title += ' ' + totalTime + 'ms';
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if(moduleSelector) {
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title += ' \'' + moduleSelector + '\'';
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}
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if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
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console.groupCollapsed(title);
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if(console.table) {
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
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});
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}
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console.groupEnd();
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}
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performance = [];
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}
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},
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invoke: function(query, passedArguments, context) {
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var
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maxDepth,
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found
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;
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passedArguments = passedArguments || queryArguments;
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context = element || context;
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if(typeof query == 'string' && instance !== undefined) {
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query = query.split(/[\. ]/);
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maxDepth = query.length - 1;
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$.each(query, function(depth, value) {
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if( $.isPlainObject( instance[value] ) && (depth != maxDepth) ) {
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instance = instance[value];
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}
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else if( instance[value] !== undefined ) {
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found = instance[value];
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}
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else {
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module.error(error.method, query);
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}
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});
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}
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if ( $.isFunction( found ) ) {
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return found.apply(context, passedArguments);
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}
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return found || false;
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}
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};
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if(methodInvoked) {
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if(instance === undefined) {
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module.initialize();
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}
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module.invoke(query);
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}
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else {
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if(instance !== undefined) {
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module.destroy();
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}
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module.initialize();
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}
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})
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;
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return (returnedValue)
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? returnedValue
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: this
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;
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};
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|
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$.fn.chatroom.settings = {
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name : 'Chat',
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debug : false,
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namespace : 'chat',
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channel : 'present-chat',
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onJoin : function(){},
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onMessage : function(){},
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onExpand : function(){},
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onContract : function(){},
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|
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customEvents : {},
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partingMessages : false,
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userCount : true,
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randomColor : true,
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speed : 300,
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easing : 'easeOutQuint',
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|
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// pixels from bottom of chat log that should trigger auto scroll to bottom
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scrollArea : 9999,
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|
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endpoint : {
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message : false,
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authentication : false
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},
|
|
|
|
error: {
|
|
method : 'The method you called is not defined',
|
|
endpoint : 'Please define a message and authentication endpoint.',
|
|
key : 'You must specify a pusher key and channel.',
|
|
pusher : 'You must include the Pusher library.'
|
|
},
|
|
|
|
className : {
|
|
expand : 'expand',
|
|
active : 'active',
|
|
hover : 'hover',
|
|
down : 'down',
|
|
loading : 'loading'
|
|
},
|
|
|
|
selector : {
|
|
userCount : '.actions .message',
|
|
userListButton : '.actions .list.button',
|
|
expandButton : '.actions .expand.button',
|
|
room : '.room',
|
|
userList : '.room .list',
|
|
log : '.room .log',
|
|
message : '.room .log .message',
|
|
author : '.room log .message .author',
|
|
messageInput : '.talk input',
|
|
messageButton : '.talk .send.button'
|
|
},
|
|
|
|
templates: {
|
|
|
|
userCount: function(number) {
|
|
return number + ' users in chat';
|
|
},
|
|
|
|
color: function(userID) {
|
|
var
|
|
colors = [
|
|
'#000000',
|
|
'#333333',
|
|
'#666666',
|
|
'#999999',
|
|
'#CC9999',
|
|
'#CC6666',
|
|
'#CC3333',
|
|
'#993333',
|
|
'#663333',
|
|
'#CC6633',
|
|
'#CC9966',
|
|
'#CC9933',
|
|
'#999966',
|
|
'#CCCC66',
|
|
'#99CC66',
|
|
'#669933',
|
|
'#669966',
|
|
'#33A3CC',
|
|
'#336633',
|
|
'#33CCCC',
|
|
'#339999',
|
|
'#336666',
|
|
'#336699',
|
|
'#6666CC',
|
|
'#9966CC',
|
|
'#333399',
|
|
'#663366',
|
|
'#996699',
|
|
'#993366',
|
|
'#CC6699'
|
|
]
|
|
;
|
|
return colors[ Math.floor( Math.random() * colors.length) ];
|
|
},
|
|
|
|
message: function(message) {
|
|
var
|
|
html = ''
|
|
;
|
|
if(message.user.isAdmin) {
|
|
message.user.color = '#55356A';
|
|
html += '<div class="admin message">';
|
|
html += '<span class="quirky ui flag team"></span>';
|
|
}
|
|
/*
|
|
else if(message.user.isPro) {
|
|
html += '<div class="indent message">';
|
|
html += '<span class="quirky ui flag pro"></span>';
|
|
}
|
|
*/
|
|
else {
|
|
html += '<div class="message">';
|
|
}
|
|
html += '<p>';
|
|
if(message.user.color !== undefined) {
|
|
html += '<span class="author" style="color: ' + message.user.color + ';">' + message.user.name + '</span>: ';
|
|
}
|
|
else {
|
|
html += '<span class="author">' + message.user.name + '</span>: ';
|
|
}
|
|
html += ''
|
|
+ message.text
|
|
+ ' </p>'
|
|
+ '</div>'
|
|
;
|
|
return html;
|
|
},
|
|
|
|
joined: function(member) {
|
|
return (typeof member.name !== undefined)
|
|
? '<div class="status">' + member.name + ' has joined the chat.</div>'
|
|
: false
|
|
;
|
|
},
|
|
left: function(member) {
|
|
return (typeof member.name !== undefined)
|
|
? '<div class="status">' + member.name + ' has left the chat.</div>'
|
|
: false
|
|
;
|
|
},
|
|
|
|
userList: function(member) {
|
|
var
|
|
html = ''
|
|
;
|
|
if(member.isAdmin) {
|
|
member.color = '#55356A';
|
|
}
|
|
html += ''
|
|
+ '<div class="user" data-id="' + member.id + '">'
|
|
+ ' <div class="image">'
|
|
+ ' <img src="' + member.avatarURL + '">'
|
|
+ ' </div>'
|
|
;
|
|
if(member.color !== undefined) {
|
|
html += ' <p><a href="/users/' + member.id + '" target="_blank" style="color: ' + member.color + ';">' + member.name + '</a></p>';
|
|
}
|
|
else {
|
|
html += ' <p><a href="/users/' + member.id + '" target="_blank">' + member.name + '</a></p>';
|
|
}
|
|
html += '</div>';
|
|
return html;
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
})( jQuery, window , document );
|