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314e3da8bc
Has 2 failing specs... There are still some issue with this code's interaction with the undo system. The tab stops will need to be or destroyed when certain changes are undone or redone.
42 lines
1.2 KiB
CoffeeScript
42 lines
1.2 KiB
CoffeeScript
Range = require 'range'
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EventEmitter = require 'event-emitter'
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Subscriber = require 'subscriber'
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_ = require 'underscore'
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module.exports =
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class AnchorRange
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start: null
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end: null
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buffer: null
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editSession: null # optional
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destroyed: false
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constructor: (bufferRange, @buffer, @editSession) ->
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bufferRange = Range.fromObject(bufferRange)
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@startAnchor = @buffer.addAnchorAtPosition(bufferRange.start, ignoreChangesStartingOnAnchor: true)
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@endAnchor = @buffer.addAnchorAtPosition(bufferRange.end)
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@subscribe @startAnchor, 'destroyed', => @destroy()
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@subscribe @endAnchor, 'destroyed', => @destroy()
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getBufferRange: ->
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new Range(@startAnchor.getBufferPosition(), @endAnchor.getBufferPosition())
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getScreenRange: ->
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new Range(@startAnchor.getScreenPosition(), @endAnchor.getScreenPosition())
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containsBufferPosition: (bufferPosition) ->
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@getBufferRange().containsPoint(bufferPosition)
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destroy: ->
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return if @destroyed
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@unsubscribe()
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@startAnchor.destroy()
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@endAnchor.destroy()
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@buffer.removeAnchorRange(this)
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@editSession?.removeAnchorRange(this)
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@destroyed = true
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@trigger 'destroyed'
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_.extend(AnchorRange.prototype, EventEmitter)
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_.extend(AnchorRange.prototype, Subscriber)
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