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130 lines
3.9 KiB
CoffeeScript
130 lines
3.9 KiB
CoffeeScript
CocoView = require 'views/core/CocoView'
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template = require 'templates/play/level/chat'
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{me} = require 'core/auth'
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LevelBus = require 'lib/LevelBus'
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module.exports = class LevelChatView extends CocoView
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id: 'level-chat-view'
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template: template
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open: false
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events:
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'keypress textarea': 'onChatKeydown'
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'click i': 'onIconClick'
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subscriptions:
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'bus:new-message': 'onNewMessage'
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constructor: (options) ->
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@levelID = options.levelID
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@session = options.session
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# TODO: we took out session.multiplayer, so this will not fire. If we want to resurrect it, we'll of course need a new way of activating chat.
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@listenTo(@session, 'change:multiplayer', @updateMultiplayerVisibility)
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@sessionID = options.sessionID
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@bus = LevelBus.get(@levelID, @sessionID)
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super()
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@regularlyClearOldMessages()
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@playNoise = _.debounce(@playNoise, 100)
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updateMultiplayerVisibility: ->
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return unless @$el?
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try
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@$el.toggle Boolean @session.get('multiplayer')
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catch e
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console.error "Couldn't toggle the style on the LevelChatView to #{Boolean @session.get('multiplayer')} because of an error:", e
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afterRender: ->
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@chatTables = $('table', @$el)
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@updateMultiplayerVisibility()
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regularlyClearOldMessages: ->
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@clearOldMessagesInterval = setInterval(@clearOldMessages, 5000)
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clearOldMessages: =>
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rows = $('.closed-chat-area tr')
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for row in rows
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row = $(row)
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added = row.data('added')
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if new Date().getTime() - added > 60 * 1000
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row.fadeOut(1000, -> $(this).remove())
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onNewMessage: (e) ->
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@$el.show() unless e.message.system
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@addOne(e.message)
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@trimClosedPanel()
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@playNoise() if e.message.authorID isnt me.id
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playNoise: ->
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@playSound 'chat_received'
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messageObjectToJQuery: (message) ->
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td = $('<td></td>')
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content = message.content
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content = _.string.escapeHTML(content)
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content = content.replace(/\n/g, '<br/>')
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content = content.replace(RegExp(' ', 'g'), ' ') # coffeescript can't compile '/ /g'
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if _.string.startsWith(content, '/me')
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content = message.authorName + content.slice(3)
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if message.system
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td.append($('<span class="system"></span>').html(content))
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else if _.string.startsWith(content, '/me')
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td.append($('<span class="action"></span>').html(content))
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else
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td.append($('<strong></strong>').text(message.authorName+': '))
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td.append($('<span></span>').html(content))
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tr = $('<tr></tr>')
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tr.addClass('me') if message.authorID is me.id
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tr.append(td)
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addOne: (message) ->
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return if message.system and message.authorID is me.id
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if @open
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openPanel = $('.open-chat-area', @$el)
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height = openPanel.outerHeight()
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distanceFromBottom = openPanel[0].scrollHeight - height - openPanel[0].scrollTop
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doScroll = distanceFromBottom < 10
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tr = @messageObjectToJQuery(message)
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tr.data('added', new Date().getTime())
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@chatTables.append(tr)
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@scrollDown() if doScroll
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trimClosedPanel: ->
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closedPanel = $('.closed-chat-area', @$el)
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limit = 5
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rows = $('tr', closedPanel)
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for row, i in rows
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break if rows.length - i <= limit
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row.remove()
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onChatKeydown: (e) ->
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if key.isPressed('enter')
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message = _.string.strip($(e.target).val())
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return false unless message
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@bus.sendMessage(message)
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$(e.target).val('')
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return false
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onIconClick: ->
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@open = not @open
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openPanel = $('.open-chat-area', @$el).toggle @open
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closedPanel = $('.closed-chat-area', @$el).toggle not @open
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@scrollDown() if @open
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if window.getSelection?
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sel = window.getSelection()
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sel.empty?()
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sel.removeAllRanges?()
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else
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document.selection.empty()
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scrollDown: ->
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openPanel = $('.open-chat-area', @$el)[0]
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openPanel.scrollTop = openPanel.scrollHeight or 1000000
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destroy: ->
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key.deleteScope('level')
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clearInterval @clearOldMessagesInterval if @clearOldMessagesInterval
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super()
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