mirror of
https://github.com/overleaf/overleaf.git
synced 2024-12-26 20:24:20 +00:00
44 lines
1.1 KiB
CoffeeScript
44 lines
1.1 KiB
CoffeeScript
|
# Text document API for text
|
||
|
|
|
||
|
|
if WEB?
|
||
|
|
type = exports.types['text-composable']
|
||
|
|
else
|
||
|
|
type = require './text-composable'
|
||
|
|
|
||
|
|
type.api =
|
||
|
|
provides: {'text':true}
|
||
|
|
|
||
|
|
# The number of characters in the string
|
||
|
|
'getLength': -> @snapshot.length
|
||
|
|
|
||
|
|
# Get the text contents of a document
|
||
|
|
'getText': -> @snapshot
|
||
|
|
|
||
|
|
'insert': (pos, text, callback) ->
|
||
|
|
op = type.normalize [pos, 'i':text, (@snapshot.length - pos)]
|
||
|
|
|
||
|
|
@submitOp op, callback
|
||
|
|
op
|
||
|
|
|
||
|
|
'del': (pos, length, callback) ->
|
||
|
|
op = type.normalize [pos, 'd':@snapshot[pos...(pos + length)], (@snapshot.length - pos - length)]
|
||
|
|
|
||
|
|
@submitOp op, callback
|
||
|
|
op
|
||
|
|
|
||
|
|
_register: ->
|
||
|
|
@on 'remoteop', (op) ->
|
||
|
|
pos = 0
|
||
|
|
for component in op
|
||
|
|
if typeof component is 'number'
|
||
|
|
pos += component
|
||
|
|
else if component.i != undefined
|
||
|
|
@emit 'insert', pos, component.i
|
||
|
|
pos += component.i.length
|
||
|
|
else
|
||
|
|
# delete
|
||
|
|
@emit 'delete', pos, component.d
|
||
|
|
# We don't increment pos, because the position
|
||
|
|
# specified is after the delete has happened.
|
||
|
|
|