107 lines
2.6 KiB
CoffeeScript
107 lines
2.6 KiB
CoffeeScript
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text_types_uninitialized = require "../Types/TextTypes"
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HistoryBuffer = require "../HistoryBuffer"
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Engine = require "../Engine"
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#
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# Framework for Text Datastructures.
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#
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class TextYatta
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#
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# @param {String} user_id Uniqe user id that defines this peer.
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# @param {Connector} Connector The connector defines how you connect to the other peers.
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#
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constructor: (user_id, Connector)->
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@HB = new HistoryBuffer user_id
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text_types = text_types_uninitialized @HB
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@types = text_types.types
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@engine = new Engine @HB, text_types.parser
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@connector = new Connector @engine, @HB, text_types.execution_listener, @
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beginning = @HB.addOperation new @types.Delimiter {creator: '_', op_number: '_beginning'} , undefined, undefined
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end = @HB.addOperation new @types.Delimiter {creator: '_', op_number: '_end'} , beginning, undefined
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beginning.next_cl = end
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beginning.execute()
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end.execute()
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first_word = new @types.Word {creator: '_', op_number: '_'}, beginning, end
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@HB.addOperation(first_word).execute()
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uid_r = { creator: '_', op_number: "RM" }
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uid_beg = { creator: '_', op_number: "_RM_beginning" }
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uid_end = { creator: '_', op_number: "_RM_end" }
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beg = @HB.addOperation(new @types.Delimiter uid_beg, undefined, uid_end).execute()
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end = @HB.addOperation(new @types.Delimiter uid_end, beg, undefined).execute()
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@root_element = @HB.addOperation(new @types.ReplaceManager undefined, uid_r, beg, end).execute()
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@root_element.replace first_word, { creator: '_', op_number: 'Replaceable'}
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#
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# @result Word
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#
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getRootElement: ()->
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@root_element.val()
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#
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# @see Engine
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#
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getEngine: ()->
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@engine
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#
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# Get the initialized connector.
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#
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getConnector: ()->
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@connector
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#
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# @see HistoryBuffer
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#
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getHistoryBuffer: ()->
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@HB
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#
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# Get the UserId from the HistoryBuffer object.
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# In most cases this will be the same as the user_id value with which
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# JsonYatta was initialized (Depending on the HistoryBuffer implementation).
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#
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getUserId: ()->
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@HB.getUserId()
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#
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# @see JsonType.val
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#
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val: ()->
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@getRootElement().val()
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#
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# @see Word.insertText
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#
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insertText: (pos, content)->
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@getRootElement().insertText pos, content
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#
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# @see Word.deleteText
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#
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deleteText: (pos, length)->
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@getRootElement().deleteText pos, length
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#
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# @see Word.bind
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#
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bind: (textarea)->
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@getRootElement().bind textarea
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#
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# @see Word.replaceText
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#
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replaceText: (text)->
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@getRootElement().replaceText text
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module.exports = TextYatta
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if window?
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if not window.Y?
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window.Y = {}
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window.Y.TextYatta = TextYatta
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