b4022f5f67
* insert available items at once * allow to use pushObject on buffer itself * add a test using arrayObserver to make sure that it fires only when elements are added to arrangedContent
58 lines
1.3 KiB
CoffeeScript
58 lines
1.3 KiB
CoffeeScript
Travis.ChunkBuffer = Em.ArrayProxy.extend Ember.MutableEnumerable,
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timeout: 15000
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start: 0
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next: 0
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init: ->
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@_super.apply this, arguments
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@set('next', @get('start'))
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if @get('content.length')
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@get('queue.content').pushObjects @get('content').toArray()
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arrangedContent: (->
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[]
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).property('content')
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addObject: (obj) ->
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@get('content').pushObject(obj)
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removeObject: (obj) ->
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@get('content').removeObject(obj)
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replaceContent: (idx, amt, objects) ->
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@get('content').replace(idx, amt, objects)
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queue: (->
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Em.ArrayProxy.create(Em.SortableMixin,
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content: []
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sortProperties: ['number']
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sortAscending: true
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)
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).property()
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contentArrayDidChange: (array, index, removedCount, addedCount) ->
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console.log 'content array did change'
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@_super.apply this, arguments
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if addedCount
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queue = @get('queue.content')
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queue.pushObjects array.slice(index, index + addedCount)
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@check()
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check: ->
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queue = @get('queue')
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next = @get('next')
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arrangedContent = @get('arrangedContent')
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toPush = []
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while queue.get('firstObject.number') == next
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toPush.pushObject queue.shiftObject().get('content')
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next += 1
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arrangedContent.pushObjects toPush if toPush.length
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@set('next', next)
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