# --------------------------------------------------------------------------------------------------------------------
# If a function's last line is the statement false that represents the function returning false
# A function such as a click handler will continue along with the propogation and default behaivour if not stopped
# Returning false stops propogation/prevents default. You cannot always use the event object to call these methods
# Because most Meteor event handlers set the event object to the exact context of the event which does not
# allow you to simply call these methods.
# --------------------------------------------------------------------------------------------------------------------
@activateBreakLines = (str) ->
if typeof str is 'string'
res = str.replace /\\n/gim, '
'
res = res.replace /\r/gim, '
'
@detectUnreadChat = ->
#if the current tab is not the same as the tab we just published in
Meteor.Chat.find({}).observe({
added: (chatMessage) =>
findDestinationTab = ->
if chatMessage.message?.chat_type is "PUBLIC_CHAT"
"PUBLIC_CHAT"
else
chatMessage.message?.from_userid
Tracker.autorun (comp) ->
tabsTime = getInSession('tabsRenderedTime')
if tabsTime? and chatMessage.message.from_userid isnt "SYSTEM_MESSAGE" and chatMessage.message.from_time - tabsTime > 0
populateChatTabs(chatMessage) # check if we need to open a new tab
destinationTab = findDestinationTab()
if destinationTab isnt getInSession "inChatWith"
setInSession 'chatTabs', getInSession('chatTabs').map((tab) ->
tab.gotMail = true if tab.userId is destinationTab
tab
)
comp.stop()
})
# This method returns all messages for the user. It looks at the session to determine whether the user is in
# private or public chat. If true is passed, messages returned are from before the user joined. Else, the messages are from after the user joined
@getFormattedMessagesForChat = ->
chattingWith = getInSession('inChatWith')
if chattingWith is 'PUBLIC_CHAT' # find all public and system messages
return Meteor.Chat.find({'message.chat_type': $in: ["SYSTEM_MESSAGE","PUBLIC_CHAT"]},{sort: {'message.from_time': 1}}).fetch()
else
unless chattingWith is 'OPTIONS'
return Meteor.Chat.find({'message.chat_type': 'PRIVATE_CHAT', $or: [{'message.to_userid': chattingWith},{'message.from_userid': chattingWith}]}).fetch()
# Scrolls the message container to the bottom. The number of pixels to scroll down is the height of the container
Handlebars.registerHelper "autoscroll", ->
$('#chatbody').scrollTop($('#chatbody')[0]?.scrollHeight)
false
Handlebars.registerHelper "grabChatTabs", ->
if getInSession('chatTabs') is undefined
initTabs = [
userId: "PUBLIC_CHAT"
name: "Public"
gotMail: false
class: "publicChatTab"
,
userId: "OPTIONS"
name: "Options"
gotMail: false
class: "optionsChatTab"
]
setInSession 'chatTabs', initTabs
getInSession('chatTabs')[0..3]
@sendMessage = ->
message = linkify $('#newMessageInput').val() # get the message from the input box
unless (message?.length > 0 and (/\S/.test(message))) # check the message has content and it is not whitespace
return # do nothing if invalid message
chattingWith = getInSession('inChatWith')
if chattingWith isnt "PUBLIC_CHAT"
toUsername = Meteor.Users.findOne(userId: chattingWith)?.user.name
messageForServer = { # construct message for server
"message": message
"chat_type": if chattingWith is "PUBLIC_CHAT" then "PUBLIC_CHAT" else "PRIVATE_CHAT"
"from_userid": getInSession("userId")
"from_username": BBB.getMyUserName()
"from_tz_offset": "240"
"to_username": if chattingWith is "PUBLIC_CHAT" then "public_chat_username" else toUsername
"to_userid": if chattingWith is "PUBLIC_CHAT" then "public_chat_userid" else chattingWith
"from_lang": "en"
"from_time": getTime()
"from_color": "0x000000"
# "from_color": "0x#{getInSession("messageColor")}"
}
Meteor.call "sendChatMessagetoServer", getInSession("meetingId"), messageForServer, getInSession("userId"), getInSession("authToken")
$('#newMessageInput').val '' # Clear message box
Template.chatbar.helpers
getCombinedMessagesForChat: ->
msgs = getFormattedMessagesForChat()
len = msgs?.length # get length of messages
i = 0
while i < len # Must be a do while, for loop compiles and stores the length of array which can change inside the loop!
if msgs[i].message.from_userid isnt 'System' # skip system messages
j = i+1 # Start looking at messages right after the current one
while j < len
deleted = false
if msgs[j].message.from_userid isnt 'System' # Ignore system messages
# Check if the time discrepancy between the two messages exceeds window for grouping
if (parseFloat(msgs[j].message.from_time)-parseFloat(msgs[i].message.from_time)) >= 60000 # 60 seconds/1 minute
break # Messages are too far between, so them seperated and stop joining here
if msgs[i].message.from_userid is msgs[j].message.from_userid # Both messages are from the same user
msgs[i].message.message += "\r#{msgs[j].message.message}" # Combine the messages
msgs.splice(j,1) # Delete the message from the collection
deleted = true
else break # Messages are from different people, move on
#
else break # This is the break point in the chat, don't merge
#
len = msgs.length
++j if not deleted
#
++i
len = msgs.length
msgs
userExists: ->
if getInSession('inChatWith') in ["PUBLIC_CHAT", "OPTIONS"]
return true
else
return Meteor.Users.findOne({userId: getInSession('inChatWith')})?
# When chatbar gets rendered, launch the auto-check for unread chat
Template.chatbar.rendered = ->
detectUnreadChat()
# When message gets rendered, scroll to the bottom
Template.message.rendered = ->
$('#chatbody').scrollTop($('#chatbody')[0]?.scrollHeight)
false
Template.chatInput.events
'click #sendMessageButton': (event) ->
$('#sendMessageButton').blur()
sendMessage()
'keypress #newMessageInput': (event) -> # user pressed a button inside the chatbox
key = (if event.charCode then event.charCode else (if event.keyCode then event.keyCode else 0))
if event.shiftKey and (key is 13)
event.preventDefault()
$("#newMessageInput").append("\r") # Change newline character
return
if key is 13 # Check for pressing enter to submit message
event.preventDefault()
sendMessage()
$('#newMessageInput').val("")
return false
Template.chatInput.rendered = ->
$('input[rel=tooltip]').tooltip()
$('button[rel=tooltip]').tooltip()
$("#newMessageInput").focus()
Template.extraConversations.events
"click .extraConversation": (event) ->
console.log "extra conversation"
user = @
console.log user
console.log "#{user.name} #{user.userId}"
# put this conversation in the 3rd position in the chat tabs collection (after public and options)
# Take all the tabs and turn into an array
tabArray = getInSession('chatTabs')
# find the index of the selected tab
index = do ->
for value, idx in tabArray
if value.userId is user.userId
selected = value
return idx
null
if index?
# take object
selected = tabArray[index]
if selected?
# remove it
tabArray.splice(index, 1)
# insert it at the 3rd index
tabArray.splice(2, 0, selected)
# update collection
setInSession 'chatTabs', tabArray
Template.extraConversations.helpers
getExtraConversations: ->
getInSession('chatTabs')[4..]
tooManyConversations: ->
return false if getInSession('chatTabs') is undefined
getInSession('chatTabs').length > 4
Template.message.helpers
sanitizeAndFormat: (str) ->
if typeof str is 'string'
# First, replace replace all tags with the ascii equivalent (excluding those involved in anchor tags)
res = str.replace(/&/g, '&').replace(/<(?![au\/])/g, '<').replace(/\/([^au])>/g, '$1>').replace(/([^=])"(?!>)/g, '$1"');
res = toClickable res
res = activateBreakLines res
toClockTime: (epochTime) ->
if epochTime is null
return ""
local = new Date()
offset = local.getTimezoneOffset()
epochTime = epochTime - offset * 60000 # 1 min = 60 s = 60,000 ms
dateObj = new Date(epochTime)
hours = dateObj.getUTCHours()
minutes = dateObj.getUTCMinutes()
if minutes < 10
minutes = "0" + minutes
hours + ":" + minutes
Template.optionsBar.events
'click .private-chat-user-entry': (event) -> # clicked a user's name to begin private chat
tabs = getInSession('chatTabs')
_this = @
# if you are starting a private chat
if tabs.filter((tab) -> tab.userId is _this.userId).length is 0
userName = Meteor.Users.findOne({userId: _this.userId})?.user?.name
tabs.push {userId: _this.userId, name: userName, gotMail: false, class: 'privateChatTab'}
setInSession 'chatTabs', tabs
setInSession 'display_chatPane', true
setInSession "inChatWith", _this.userId
Template.optionsBar.helpers
thereArePeopletoChatWith: -> # Subtract 1 for the current user. Returns whether there are other people in the chat
# TODO: Add a check for the count to only include users who are allowed to private chat
(Meteor.Users.find({'meetingId': getInSession("meetingId")}).count()-1) >= 1
Template.optionsBar.rendered = ->
$('div[rel=tooltip]').tooltip()
Template.optionsFontSize.events
"click .fontSizeSelector": (event) ->
selectedFontSize = parseInt(event.target.id)
if selectedFontSize
setInSession "messageFontSize", selectedFontSize
else setInSession "messageFontSize", 12
Template.tabButtons.events
'click .close': (event) -> # user closes private chat
setInSession 'inChatWith', 'PUBLIC_CHAT'
setInSession 'display_chatPane', true
console.log "userId: #{@userId}"
_this = @
tabs = getInSession('chatTabs')
if tabs.filter((tab) -> tab.userId is _this.userId).length > 0
tabs = $.grep(tabs, (t) -> t.userId isnt _this.userId)
setInSession 'chatTabs', tabs
return false # stops propogation/prevents default
'click .gotUnreadMail': (event) ->
#chatTabs.update({userId: @userId}, {$set: {gotMail: false}})
_this = @
setInSession 'chatTabs', getInSession('chatTabs').map((tab) ->
tab.gotMail = false if tab.userId is _this.userId
tab
)
'click .optionsChatTab': (event) ->
console.log "options"
setInSession "inChatWith", "OPTIONS"
setInSession 'display_chatPane', false
'click .privateChatTab': (event) ->
console.log "private:"
console.log @
setInSession "inChatWith", @userId
setInSession 'display_chatPane', true
'click .publicChatTab': (event) ->
console.log "public"
setInSession "inChatWith", "PUBLIC_CHAT"
setInSession 'display_chatPane', true
'click .tab': (event) ->
unless getInSession "inChatWith" is "OPTIONS"
$("#newMessageInput").focus()
console.log "tab"
Template.tabButtons.helpers
hasGotUnreadMailClass: (gotMail) ->
if gotMail
return "gotUnreadMail"
else
return ""
isTabActive: (userId) ->
if getInSession("inChatWith") is userId
return "active"
makeSafe: (string) ->
safeString(string)
Template.tabButtons.rendered = ->
Tracker.autorun (comp) ->
setInSession 'tabsRenderedTime', TimeSync.serverTime()
if getInSession('tabsRenderedTime') isnt undefined
comp.stop()
# make links received from Flash client clickable in HTML
@toClickable = (str) ->
if typeof str is 'string'
res = str.replace /
if typeof str is 'string'
# First, replace replace all tags with the ascii equivalent (excluding those involved in anchor tags)
res = str.replace(/&/g, '&').replace(/<(?![au\/])/g, '<').replace(/\/([^au])>/g, '$1>').replace(/([^=])"(?!>)/g, '$1"');
res = toClickable res
res = activateBreakLines res