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44 lines
1.1 KiB
CoffeeScript
44 lines
1.1 KiB
CoffeeScript
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# Text document API for text
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if WEB?
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type = exports.types['text-composable']
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else
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type = require './text-composable'
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type.api =
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provides: {'text':true}
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# The number of characters in the string
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'getLength': -> @snapshot.length
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# Get the text contents of a document
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'getText': -> @snapshot
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'insert': (pos, text, callback) ->
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op = type.normalize [pos, 'i':text, (@snapshot.length - pos)]
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@submitOp op, callback
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op
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'del': (pos, length, callback) ->
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op = type.normalize [pos, 'd':@snapshot[pos...(pos + length)], (@snapshot.length - pos - length)]
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@submitOp op, callback
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op
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_register: ->
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@on 'remoteop', (op) ->
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pos = 0
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for component in op
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if typeof component is 'number'
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pos += component
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else if component.i != undefined
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@emit 'insert', pos, component.i
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pos += component.i.length
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else
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# delete
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@emit 'delete', pos, component.d
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# We don't increment pos, because the position
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# specified is after the delete has happened.
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