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Do not refresh entire LimitedArray if there is not such need

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Piotr Sarnacki 2012-11-28 01:00:44 +01:00
parent d1633e796a
commit 52e6959c9c
1 changed files with 10 additions and 3 deletions
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13
assets/scripts/lib/travis/limited_array.coffee
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@ -43,7 +43,7 @@ Travis.LimitedArray = Em.ArrayProxy.extend
arrangedContent = @get('arrangedContent') arrangedContent = @get('arrangedContent')
length = arrangedContent.get 'length' length = arrangedContent.get 'length'
if addedCount > 0 && length < limit if addedCount > 0
addedObjects = array.slice(index, index + addedCount) addedObjects = array.slice(index, index + addedCount)
for object in addedObjects for object in addedObjects
arrangedContent.unshiftObject(object) arrangedContent.unshiftObject(object)
@ -52,7 +52,14 @@ Travis.LimitedArray = Em.ArrayProxy.extend
removedObjects = array.slice(index, index + removedCount); removedObjects = array.slice(index, index + removedCount);
arrangedContent.removeObjects(removedObjects) arrangedContent.removeObjects(removedObjects)
length = arrangedContent.get 'length'
content = @get('content')
if length > limit if length > limit
arrangedContent.replace(limit, length - limit) arrangedContent.replace(limit, length - limit)
else if length < limit else if length < limit && content.get('length') > length
@set('arrangedContent', @get('content').slice(0, @get('limit'))) count = limit - length
while count > 0
if next = content.find( (object) -> !arrangedContent.contains(object) )
arrangedContent.unshiftObject(next)
count -= 1