mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-12-22 21:40:08 +00:00
658 lines
19 KiB
Plaintext
658 lines
19 KiB
Plaintext
Tims Chat 3
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===========
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This is the main javascript file for [**Tims Chat**](https://github.com/wbbaddons/Tims-Chat). It handles
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everything that happens in the GUI of **Tims Chat**.
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### Copyright Information
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# @author Tim Düsterhus
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# @copyright 2010-2013 Tim Düsterhus
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# @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
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# @package be.bastelstu.chat
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###
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## Code
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We start by setting up our environment by ensuring some sane values for both `$` and `window`,
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enabling EMCAScript 5 strict mode and overwriting console to prepend the name of the class.
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(($, window) ->
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"use strict";
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console =
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log: (message) ->
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window.console.log "[be.bastelstu.Chat] #{message}"
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warn: (message) ->
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window.console.warn "[be.bastelstu.Chat] #{message}"
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error: (message) ->
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window.console.error "[be.bastelstu.Chat] #{message}"
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Continue with defining the needed variables. All variables are local to our closure and will be
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exposed by a function if necessary.
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isActive = true
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newMessageCount = 0
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chatSession = Date.now()
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errorVisible = false
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remainingFailures = 3
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events =
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newMessage: $.Callbacks()
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userMenu: $.Callbacks()
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submit: $.Callbacks()
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pe =
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getMessages: null
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refreshRoomList: null
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fish: null
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loading = false
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autocomplete =
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offset: 0
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value: null
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caret: 0
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v =
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titleTemplate: null
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messageTemplate: null
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userTemplate: null
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config: null
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Initialize **Tims Chat**. Bind needed DOM events and initialize data structures.
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initialized = false
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init = (config, titleTemplate, messageTemplate, userTemplate) ->
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return false if initialized
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initialized = true
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v.config = config
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v.titleTemplate = titleTemplate
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v.messageTemplate = messageTemplate
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v.userTemplate = userTemplate
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console.log 'Initializing'
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When **Tims Chat** becomes focused mark the chat as active and remove the number of new messages from the title.
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$(window).focus ->
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document.title = v.titleTemplate.fetch
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title: $('#timsChatRoomList .active a').text()
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newMessageCount = 0
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isActive = true
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When **Tims Chat** loses the focus mark the chat as inactive.
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$(window).blur ->
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isActive = false
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Make the user leave the chat when **Tims Chat** is about to be unloaded.
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$(window).on 'beforeunload', ->
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return undefined if errorVisible
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new WCF.Action.Proxy
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autoSend: true
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data:
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actionName: 'leave'
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className: 'chat\\data\\room\\RoomAction'
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showLoadingOverlay: false
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async: false
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suppressErrors: true
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undefined
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Insert the appropriate smiley code into the input when a smiley is clicked.
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$('#smilies').on 'click', 'img', ->
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insertText ' ' + $(@).attr('alt') + ' '
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Handle submitting the form. The message will be validated by some basic checks, passed to the `submit` eventlisteners
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and afterwards sent to the server by an AJAX request.
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$('#timsChatForm').submit (event) ->
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event.preventDefault()
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text = $('#timsChatInput').val().trim()
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$('#timsChatInput').val('').focus().keyup()
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return false if text.length is 0
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# Free the fish!
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freeTheFish() if text.toLowerCase() is '/free the fish'
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text = do (text) ->
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obj =
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text: text
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events.submit.fire obj
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obj.text
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new WCF.Action.Proxy
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autoSend: true
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data:
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actionName: 'send'
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className: 'chat\\data\\message\\MessageAction'
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parameters:
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text: text
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enableSmilies: $('#timsChatSmilies').data 'status'
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showLoadingOverlay: false
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success: ->
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$('#timsChatInputContainer').removeClass('formError').find('.innerError').hide()
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getMessages()
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failure: (data) ->
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return true unless (data?.returnValues?.errorType?) or (data?.message?)
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$('#timsChatInputContainer').addClass('formError').find('.innerError').show().html (data?.returnValues?.errorType) ? data.message
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setTimeout ->
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$('#timsChatInputContainer').removeClass('formError').find('.innerError').hide()
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, 5e3
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false
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Autocomplete a username when TAB is pressed. The name to autocomplete is based on the current caret position.
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The the word the caret is in will be passed to `autocomplete` and replaced if a match was found.
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$('#timsChatInput').keydown (event) ->
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if event.keyCode is $.ui.keyCode.TAB
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input = $(event.currentTarget)
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event.preventDefault()
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autocomplete.value ?= input.val()
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autocomplete.caret ?= input.getCaret()
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beforeCaret = autocomplete.value.substring 0, autocomplete.caret
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lastSpace = beforeCaret.lastIndexOf ' '
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beforeComplete = autocomplete.value.substring 0, lastSpace + 1
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toComplete = autocomplete.value.substring lastSpace + 1
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nextSpace = toComplete.indexOf ' '
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if nextSpace is -1
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afterComplete = '';
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else
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afterComplete = toComplete.substring nextSpace + 1
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toComplete = toComplete.substring 0, nextSpace
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return if toComplete.length is 0
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console.log "Autocompleting '#{toComplete}'"
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regex = new RegExp "^#{WCF.String.escapeRegExp(toComplete)}", "i"
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users = (username for user in $('.timsChatUser') when regex.test(username = $(user).data('username')))
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toComplete = users[autocomplete.offset++ % users.length] + ', ' if users.length isnt 0
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input.val "#{beforeComplete}#{toComplete}#{afterComplete}"
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input.setCaret (beforeComplete + toComplete).length
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Reset autocompleter to default status, when a key is pressed that is not TAB.
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else
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$('#timsChatInput').click()
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Reset autocompleter to default status, when the input is `click`ed, as the position of the caret may have changed.
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$('#timsChatInput').click ->
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autocomplete =
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offset: 0
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value: null
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caret: null
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Refresh the room list when the associated button is `click`ed.
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$('#timsChatRoomList button').click ->
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refreshRoomList()
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Clear the chat by removing every single message once the clear button is `clicked`.
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$('#timsChatClear').click (event) ->
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event.preventDefault()
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$('.timsChatMessage').remove()
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer').prop('scrollHeight')
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Handle toggling of the toggleable buttons.
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$('.timsChatToggle').click (event) ->
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element = $ @
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if element.data('status') is 1
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element.data 'status', 0
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element.removeClass 'active'
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element.attr 'title', element.data 'enableMessage'
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else
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element.data 'status', 1
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element.addClass 'active'
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element.attr 'title', element.data 'disableMessage'
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$('#timsChatInput').focus()
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Mark smilies as disabled when they are disabled.
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$('#timsChatSmilies').click (event) ->
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if $(@).data 'status'
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$('#smilies').removeClass 'disabled'
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else
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$('#smilies').addClass 'disabled'
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Toggle fullscreen mode.
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$('#timsChatFullscreen').click (event) ->
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if $('#timsChatFullscreen').data 'status'
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$('html').addClass 'fullscreen'
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else
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$('html').removeClass 'fullscreen'
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Toggle checkboxes
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$('#timsChatMark').click (event) ->
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if $(@).data 'status'
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$('.timsChatMessageContainer').addClass 'markEnabled'
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else
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$('.timsChatMessageContainer').removeClass 'markEnabled'
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Visibly mark the message once the associated checkbox is checked.
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$(document).on 'click', '.timsChatMessage :checkbox', (event) ->
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if $(@).is ':checked'
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$(@).parents('.timsChatMessage').addClass('jsMarked')
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else
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$(@).parents('.timsChatMessage').removeClass('jsMarked')
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Scroll down when autoscroll is being activated.
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$('#timsChatAutoscroll').click (event) ->
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if $('#timsChatAutoscroll').data 'status'
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer').prop('scrollHeight')
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$('#timsChatMessageContainer').on 'scroll', (event) ->
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element = $ @
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scrollTop = element.scrollTop()
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scrollHeight = element.prop 'scrollHeight'
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height = element.height()
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if scrollTop < scrollHeight - height - 25
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if $('#timsChatAutoscroll').data('status') is 1
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$('#timsChatAutoscroll').click()
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if scrollTop > scrollHeight - height - 10
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if $('#timsChatAutoscroll').data('status') is 0
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$('#timsChatAutoscroll').click()
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Enable duplicate tab detection.
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window.localStorage.setItem 'be.bastelstu.chat.session', chatSession
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$(window).on 'storage', (event) ->
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if event.originalEvent.key is 'be.bastelstu.chat.session'
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if event.originalEvent.newValue isnt chatSession
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showError WCF.Language.get 'chat.error.duplicateTab'
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Ask for permissions to use Desktop notifications when notifications are activated.
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if window.Notification?
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$('#timsChatNotify').click (event) ->
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return unless $(@).data 'status'
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if window.Notification.permission isnt 'granted'
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window.Notification.requestPermission (permission) ->
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window.Notification.permission ?= permission
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events.newMessage.add notify
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Initialize the `PeriodicalExecuter`s and run them once.
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pe.refreshRoomList = new WCF.PeriodicalExecuter refreshRoomList, 60e3
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pe.getMessages = new WCF.PeriodicalExecuter getMessages, v.config.reloadTime * 1e3
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refreshRoomList()
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getMessages()
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Initialize the [**nodePush**](https://github.com/wbbaddons/nodePush) integration of **Tims Chat**. Once
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the browser is connected to **nodePush** periodic message loading will be disabled and **Tims Chat** will
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load messages if the appropriate event arrives.
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do ->
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be.bastelstu.wcf.nodePush.onConnect ->
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console.log 'Disabling periodic loading'
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pe.getMessages.stop()
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be.bastelstu.wcf.nodePush.onDisconnect ->
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console.log 'Enabling periodic loading'
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getMessages()
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pe.getMessages = new WCF.PeriodicalExecuter getMessages, v.config.reloadTime * 1e3
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be.bastelstu.wcf.nodePush.onMessage 'be.bastelstu.chat.newMessage', getMessages
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be.bastelstu.wcf.nodePush.onMessage 'be.bastelstu.wcf.nodePush.tick60', getMessages
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Finished! Enable the input now.
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$('#timsChatInput').enable().jCounter().focus();
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console.log "Finished initializing"
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true
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Free the fish.
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freeTheFish = ->
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return if $.wcfIsset 'fish'
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console.warn 'Freeing the fish'
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fish = $ """<div id="fish">#{WCF.String.escapeHTML('><((((\u00B0>')}</div>"""
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fish.css
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position: 'absolute'
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top: '150px'
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left: '400px'
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color: 'black'
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textShadow: '1px 1px white'
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zIndex: 9999
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fish.appendTo $ 'body'
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pe.fish = new WCF.PeriodicalExecuter ->
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left = Math.random() * 100 - 50
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top = Math.random() * 100 - 50
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fish = $ '#fish'
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left *= -1 unless fish.width() < (fish.position().left + left) < ($(document).width() - fish.width())
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top *= -1 unless fish.height() < (fish.position().top + top) < ($(document).height() - fish.height())
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if left > 0
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fish.text '><((((\u00B0>' if left > 0
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else if left < 0
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fish.text '<\u00B0))))><'
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fish.animate
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top: "+=#{top}"
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left: "+=#{left}"
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, 1e3
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, 1.5e3
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Fetch new messages from the server and pass them to `handleMessages`. The userlist will be passed to `handleUsers`.
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`remainingFailures` will be decreased on failure and message loading will be entirely disabled once it reaches zero.
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getMessages = ->
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$.ajax v.config.messageURL,
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dataType: 'json'
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type: 'POST'
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success: (data) ->
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remainingFailures = 3
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WCF.DOMNodeInsertedHandler.enable()
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handleMessages data.messages
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handleUsers data.users
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WCF.DOMNodeInsertedHandler.disable()
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error: ->
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console.error "Message loading failed, #{--remainingFailures} remaining"
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if remainingFailures <= 0
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freeTheFish()
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console.error 'To many failures, aborting'
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showError WCF.Language.get 'chat.error.onMessageLoad'
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complete: ->
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loading = false
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Prevent loading messages in parallel.
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beforeSend: ->
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return false if loading
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loading = true
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Insert the given messages into the chat stream.
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handleMessages = (messages) ->
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$('#timsChatMessageContainer').trigger 'scroll'
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for message in messages
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events.newMessage.fire message
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output = v.messageTemplate.fetch message
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li = $ '<li></li>'
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li.addClass 'timsChatMessage'
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li.addClass "timsChatMessage#{message.type}"
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li.addClass "user#{message.sender}"
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li.addClass 'ownMessage' if message.sender is WCF.User.userID
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li.append output
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li.appendTo $ '#timsChatMessageContainer > ul'
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer').prop('scrollHeight') if $('#timsChatAutoscroll').data('status') is 1
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Rebuild the userlist based on the given `users`.
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handleUsers = (users) ->
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foundUsers = { }
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for user in users
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id = "timsChatUser#{user.userID}"
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Move the user to the new position if he was found in the old list.
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if $.wcfIsset id
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console.log "Moving User: '#{user.username}'"
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element = $("##{id}").detach()
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if user.awayStatus?
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element.addClass 'away'
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element.attr 'title', user.awayStatus
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else
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element.removeClass 'timsChatAway'
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element.removeAttr 'title'
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element.data 'tooltip', ''
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if user.suspended
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element.addClass 'suspended'
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else
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element.removeClass 'suspended'
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$('#timsChatUserList > ul').append element
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Build HTML of the user and insert it into the list, if the users was not found in the chat before.
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else
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console.log "Inserting User: '#{user.username}'"
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li = $ '<li></li>'
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li.attr 'id', id
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li.addClass 'timsChatUser'
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li.addClass 'jsTooltip'
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li.addClass 'dropdown'
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li.addClass 'you' if user.userID is WCF.User.userID
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li.addClass 'suspended' if user.suspended
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if user.awayStatus?
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li.addClass 'timsChatAway'
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li.attr 'title', user.awayStatus
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li.data 'username', user.username
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li.append v.userTemplate.fetch user
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menu = $ '<ul></ul>'
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menu.addClass 'dropdownMenu'
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.query')}</a></li>"
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.kick')}</a></li>"
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.ban')}</a></li>"
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menu.append $ """<li><a href="#{user.link}">#{WCF.Language.get('chat.general.profile')}</a></li>"""
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events.userMenu.fire user, menu
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li.append menu
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li.appendTo $ '#timsChatUserList > ul'
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foundUsers[id] = true
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Remove all users that left the chat.
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$('.timsChatUser').each ->
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unless foundUsers[$(@).attr('id')]?
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console.log "Removing User: '#{$(@).data('username')}'"
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$(@).remove();
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$('#toggleUsers .badge').text $('.timsChatUser').length
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Insert the given `text` into the input. If `options.append` is true the given `text` will be appended, otherwise it will replaced
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the existing text. If `options.submit` is true the message will be sent to the server afterwards.
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insertText = (text, options = { }) ->
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options = $.extend
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append: true
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submit: false
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, options
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text = $('#timsChatInput').val() + text if options.append
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$('#timsChatInput').val text
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$('#timsChatInput').keyup()
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if (options.submit)
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$('#timsChatForm').submit()
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else
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$('#timsChatInput').focus()
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Send out notifications for the given `message`. The number of unread messages will be prepended to `document.title` and if available desktop notifications will be sent.
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notify = (message) ->
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return if isActive or $('#timsChatNotify').data('status') is 0
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document.title = v.titleTemplate.fetch
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title: $('#timsChatRoomList .active a').text()
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newMessageCount: ++newMessageCount
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title = WCF.Language.get 'chat.general.notify.title'
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content = "#{message.username}#{message.separator} #{message.message}"
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if window.Notification?.permission is 'granted'
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do ->
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notification = new window.Notification title,
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body: content
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onclick: ->
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notification.close()
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setTimeout ->
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notification.close()
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, 5e3
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Fetch the roomlist from the server and update it in the GUI.
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refreshRoomList = ->
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console.log 'Refreshing the roomlist'
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$('#toggleRooms .ajaxLoad').show()
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new WCF.Action.Proxy
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autoSend: true
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data:
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actionName: 'getRoomList'
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className: 'chat\\data\\room\\RoomAction'
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showLoadingOverlay: false
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suppressErrors: true
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success: (data) ->
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$('#timsChatRoomList li').remove()
|
|
$('#toggleRooms .ajaxLoad').hide()
|
|
$('#toggleRooms .badge').text data.returnValues.length
|
|
|
|
for room in data.returnValues
|
|
li = $ '<li></li>'
|
|
li.addClass 'active' if room.active
|
|
$("""<a href="#{room.link}">#{room.title}</a>""").addClass('timsChatRoom').appendTo li
|
|
$('#timsChatRoomList ul').append li
|
|
|
|
if window.history?.replaceState?
|
|
$('.timsChatRoom').click (event) ->
|
|
event.preventDefault()
|
|
target = $(@)
|
|
|
|
window.history.replaceState {}, '', target.attr 'href'
|
|
|
|
$.ajax target.attr('href'),
|
|
dataType: 'json'
|
|
data:
|
|
ajax: 1
|
|
type: 'POST'
|
|
success: (data, textStatus, jqXHR) ->
|
|
loading = false
|
|
target.parent().removeClass 'loading'
|
|
|
|
$('.active .timsChatRoom').parent().removeClass 'active'
|
|
target.parent().addClass 'active'
|
|
|
|
$('#timsChatTopic').text data.topic
|
|
if data.topic is ''
|
|
$('#timsChatTopic').addClass 'empty'
|
|
else
|
|
$('#timsChatTopic').removeClass 'empty'
|
|
|
|
$('.timsChatMessage').addClass 'unloaded'
|
|
|
|
handleMessages data.messages
|
|
|
|
document.title = v.titleTemplate.fetch data
|
|
|
|
Reload the whole page when an error occurs. The users thus sees the error message (usually `PermissionDeniedException`)
|
|
|
|
error: ->
|
|
window.location.reload true
|
|
|
|
Show loading icon and prevent switching the room in parallel.
|
|
|
|
beforeSend: ->
|
|
return false if target.parent().hasClass('loading') or target.parent().hasClass 'active'
|
|
|
|
loading = true
|
|
target.parent().addClass 'loading'
|
|
|
|
console.log "Found #{data.returnValues.length} rooms"
|
|
|
|
Shows an unrecoverable error with the given text.
|
|
|
|
showError = (text) ->
|
|
return if errorVisible
|
|
errorVisible = true
|
|
|
|
loading = true
|
|
|
|
pe.refreshRoomList.stop()
|
|
pe.getMessages.stop()
|
|
|
|
errorDialog = $("""
|
|
<div id="timsChatLoadingErrorDialog">
|
|
<p>#{text}</p>
|
|
</div>
|
|
""").appendTo 'body'
|
|
|
|
formSubmit = $("""<div class="formSubmit"></div>""").appendTo errorDialog
|
|
reloadButton = $("""<button class="buttonPrimary">#{WCF.Language.get 'chat.error.reload'}</button>""").appendTo formSubmit
|
|
reloadButton.on 'click', ->
|
|
window.location.reload()
|
|
|
|
$('#timsChatLoadingErrorDialog').wcfDialog
|
|
closable: false
|
|
title: WCF.Language.get('wcf.global.error.title')
|
|
|
|
Bind the given callback to the given event.
|
|
|
|
addListener = (event, callback) ->
|
|
return false unless events[event]?
|
|
|
|
events[event].add callback
|
|
|
|
Remove the given callback from the given event.
|
|
|
|
removeListener = (event, callback) ->
|
|
return false unless events[event]?
|
|
|
|
events[event].remove callback
|
|
|
|
And finally export the public methods and variables.
|
|
|
|
Chat =
|
|
init: init
|
|
getMessages: getMessages
|
|
refreshRoomList: refreshRoomList
|
|
insertText: insertText
|
|
freeTheFish: freeTheFish
|
|
handleMessages: handleMessages
|
|
listener:
|
|
add: addListener
|
|
remove: removeListener
|
|
|
|
|
|
window.be ?= {}
|
|
be.bastelstu ?= {}
|
|
window.be.bastelstu.Chat = Chat
|
|
)(jQuery, @)
|