Sha256: be5241a5a15c698dd8f5dcb84e60d353d3aa166ef3c90c9a7948fee7d1ba30f7
Contents?: true
Size: 771 Bytes
Versions: 35
Compression:
Stored size: 771 Bytes
Contents
class @Mercury.HistoryBuffer
constructor: (@maxLength = 200) ->
@index = 0
@stack = []
@markerRegExp = /<em class="mercury-marker"><\/em>/g
push: (item) ->
if jQuery.type(item) == 'string'
return if @stack[@index] && @stack[@index].replace(@markerRegExp, '') == item.replace(@markerRegExp, '')
else if jQuery.type(item) == 'object' && item.html
return if @stack[@index] && @stack[@index].html == item.html
@stack = @stack[0...@index + 1]
@stack.push(item)
@stack.shift() if @stack.length > @maxLength
@index = @stack.length - 1
undo: ->
return null if @index < 1
@index -= 1
return @stack[@index]
redo: ->
return null if @index >= @stack.length - 1
@index += 1
return @stack[@index]
Version data entries
35 entries across 35 versions & 3 rubygems