[squeak-dev] The Trunk: Collections-cmm.443.mcz

Levente Uzonyi leves at elte.hu
Wed Jun 15 20:33:24 UTC 2011


On Wed, 15 Jun 2011, commits at source.squeak.org wrote:

> Chris Muller uploaded a new version of Collections to project The Trunk:
> http://source.squeak.org/trunk/Collections-cmm.443.mcz
>
> ==================== Summary ====================
>
> Name: Collections-cmm.443
> Author: cmm
> Time: 15 June 2011, 3:14:51.751 pm
> UUID: 824d8b83-2a8f-024d-9ae1-5e9932165479
> Ancestors: Collections-nice.442
>
> Moved String>>displayProgressAt:from:to:during: to ToolBuilder-Kernel.

You must create mcms, to force the load order, otherwise there can be a
point in time, when the method is not in the image (which is the current 
case). Always load the package that adds the method first, then the 
package which removes it.


Levente

>
> =============== Diff against Collections-nice.442 ===============
>
> Item was removed:
> - ----- Method: String>>displayProgressAt:from:to:during: (in category 'displaying') -----
> - displayProgressAt: aPoint from: minVal to: maxVal during: workBlock
> - 	"Display this string as a caption over a progress bar while workBlock is evaluated.
> -
> - EXAMPLE (Select next 6 lines and Do It)
> - 'Now here''s some Real Progress'
> - 	displayProgressAt: Sensor cursorPoint
> - 	from: 0 to: 10
> - 	during: [:bar |
> - 	1 to: 10 do: [:x | bar value: x.
> - 			(Delay forMilliseconds: 500) wait]].
> -
> - HOW IT WORKS (Try this in any other language :-)
> - Since your code (the last 2 lines in the above example) is in a block,
> - this method gets control to display its heading before, and clean up
> - the screen after, its execution.
> - The key, though, is that the block is supplied with an argument,
> - named 'bar' in the example, which will update the bar image every
> - it is sent the message value: x, where x is in the from:to: range.
> - "
> - 	^ProgressInitiationException
> - 		display: self
> - 		at: aPoint
> - 		from: minVal
> - 		to: maxVal
> - 		during: workBlock!
>
>
>



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