On 2013-09-24, at 17:43, Sven Van Caekenberghe <[email protected]> wrote:
> > On 24 Sep 2013, at 22:23, kilon <[email protected]> wrote: > >> Actually it works its just that is not meant to create a progress bar. >> >> To create a progressbar I created a new test >> >> testProgressBar >> UIManager default informUserDuring: [ :bar | >> [ ^ ZnClient new >> signalProgress: true; >> get: 'http://zn.stfx.eu/echo?delay=2' ] >> on: HTTPProgress >> do: [ :progress | >> bar label: progress printString. >> progress isEmpty ifFalse: [ bar current: >> progress percentage ]. >> progress resume ] ] >> >> it displays the progressbar , but it displays no progress (blue bar thing) >> and it close as soon as it finish the get. I tried to implement that in >> >> createImageFromTemplate >> | name | >> name := UIManager default request: 'Image name?'. >> self showDownloadInProgress. >> [UIManager default informUserDuring: [ :bar | >> [ imageGroup extractTemplate: self selectedTemplate to: name] >> on: HTTPProgress >> do: [ :progress | >> bar label: progress printString. >> progress isEmpty ifFalse: [ bar current: >> progress percentage ]. >> progress resume ] ]] on: PhLDownloadError >> do: [ :err | >> UIManager default alert: err longDescription. >> ^ self ]. >> >> >> self updateAll. >> >> I assume that code is deeply flawed , hence why it does not display me any >> progressbar at all. Looks like I have a lot to learn. >> >> First I am not sure if ZnClient downloads in packets and if it reports >> progress per packet . If its progress is upon success of download then it >> does not help at all , because in that case there will be only one stage of >> progress upon success of download. I want multiple stages of progress so the >> download bar increases from 0% to 100%(preferably per kb ). IF that is the >> cace then probably I will be better using the HTTP client of monticello to >> download the images which I know it works that way. >> >> Is there a particular reason why we should stick to Zinc ? > > The HTTP client of Monticello _is_ ZnClient, see > MCHttpRepository>>#httpClient ;-) > > Now, for performance reasons, progress in only signalled every ZnUtils > class>>#streamingBufferSize which is currently 16K. > > Apart from that, the download might go that fast that there is little to show. > > I am certainly not claiming that the HTTPProgress stuff is perfect, but it > seems to work. ... and the progress bar certainly much further away from that goal :)
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