seaside August 2020

seaside@lists.squeakfoundation.org

11 participants
8 discussions

Seaside 3.4.2 & help wanted!
by Johan Brichau 03 Sep '20

03 Sep '20

Hi Seasiders, A new release of Seaside is ready for you: https://github.com/SeasideSt/Seaside/releases <https://github.com/SeasideSt/Seaside/releases> Some important bugs have been fixed. Especially, if you are running Seaside on Gemstone, and are using a version newer than 3.3.0, I recommend you upgrade to 3.4.2 as soon as possible (see list of bugfixes in the release page). Thanks to everyone who was involved in reporting or fixing the bugs! We also stepped up our tests by adding a bunch of automated tests for the functional testsuite that we needed to test manually before. So this is going to help a lot to prevent the bugs we fixed in this release. Mind that the Travis-CI builds are failing since yesterday due to an issue caused by Travis-CI itself. We hope this gets back to normal soon. Finally but importantly: we need help maintaining and improving Seaside! If you are using Grease and/or Seaside on Squeak: we need people to maintain the Squeak compatibility actively. Please think about joining us to keep Seaside rolling on Squeak in the future. For me, it’s beginning to become too much work to actively maintain the compatibility on every release. If you are using Seaside in general: please let us know if you are able and willing to contribute to the project. If you want to help to make a new website for Seaside, using Seaside… please let us know! We only ask to follow some basic contribution guidelines that can be found here: https://github.com/SeasideSt/Seaside/blob/master/CONTRIBUTING.md <https://github.com/SeasideSt/Seaside/blob/master/CONTRIBUTING.md> Thanks to all who is contributing now and before: https://github.com/SeasideSt/Seaside/graphs/contributors <https://github.com/SeasideSt/Seaside/graphs/contributors> + https://github.com/SeasideSt/Grease/graphs/contributors <https://github.com/SeasideSt/Grease/graphs/contributors> cheers! Johan

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Let us know your Seaside application
by Johan Brichau 24 Aug '20

24 Aug '20

Hi all, I was invited to write an article on Seaside for the french magazine 'Programmez' (there is a special edition on Smalltalk). I want to know about applications with Seaside that still exist today so I can mention them. Please send me a link! If it's an intranet application, please also let me know... I can also reuse that list for a website (*). I know there are a lot of applications that use Seaside, as I sometimes just hear about them in conversations. Cheers, Johan

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Multi-select drop down list
by Bob Nemec 20 Aug '20

20 Aug '20

Has anyone implemented or wrapped a multi-select dropdown list in Seaside? I'm looking at jQuery plugins like https://www.positronx.io/multiselect-dropdown-list-with-checkboxes-jquery-p… which render fine, but I'd like to be able to better hook in to the select / unselect events. Shouldn't be too hard; but I'd rather not repeat work that may already have been done. Thanks for any info,Bob Nemec

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Session reaping
by Esteban Maringolo 19 Aug '20

19 Aug '20

Hi all, I noticed that in recent versions of Seaside there was a change (to my knowledge) in the way Sessions and other objects in a WACache are reaped. I have a model where each Seaside session (my own subclass of WASession, GwSession) has a "system" object that has its own GlorpSession. So in the #unregistered I log out from the database, freeing the connection. So my question is: how is the cache reaping invoked? I noticed there is a #sweepIncrementally method that seems to be called before each access to the cache (this is new to me). Is there something else to it? Should I check somewhere else? For some reason, my unregister event is not freeing up the connections, even though the sessions expired both in absolute and relative age. I also need a pooled database accessor, but that's a different story :-). Regards! Esteban A. Maringolo

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Tracking strategy for default identifier
by Esteban Maringolo 17 Aug '20

17 Aug '20

Hi all, I recently moved to `WACookieForBrowserIPForCrawlerTrackingStrategy` tracking strategy, but I noticed that the session count was increasing beyond the actual "normal" use, suggesting a new session was being created everytime. Then I noticed that when I perform a request to the default dispatcher, it creates a new session, because the cookie is created with the app path so the browser is not sending it back when visiting the root. I have the default name for the dispatcher as: WAAdmin defaultDispatcher defaultName: 'app'. If I visit this: http://localhost:8080/app I get a new cookie (if needed) and subsequent requests don't create a new one. If I visit http://localhost:8080/ I get a new cookie (and a new session is created) each time because the cookie is created with the `/app` path. Did this happen to anyone else? Regards! Esteban A. Maringolo

2 1

Web content to PDF converter
by Bob Nemec 13 Aug '20

13 Aug '20

There a number of tools for converting web content to a PDF. Has anyone used one from within Seaside?I'd like to generate a PDF from a div, not the entire page. We already use PDF4Smalltalk and Report4PDF with a rudimentary HTML parser.It can create PDF content for HTML that has bold, underline and italic markup.Users use this to add content to reports. Report4PDF can render the user content either as HTML or generate a PDF. Complex content, like tables and images, is not supported. And I have not interest in adding support. For code generated content Report4PDF works fine. But for user entered content it is not optimal. I'd rather use something that can represent complex user content. Anyone have experience with this? Thanks,Bob Nemec

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Multiple tabs with their own root components
by Esteban Maringolo 11 Aug '20

11 Aug '20

Hi all, I have a question that I cannot answer myself even though I have built a handful of medium sized applications with Seaside. To some degree it is embarrassing, but I need to ask just in case I've been missing something trivial all these years. I'm building a "public" web app, and I have some newer concerns I didn't have before because most apps ran in private environments or behind logins and were mostly complex UI or flows where Seaside shines and no one cares (mostly) about URLs. These days it is very common that you can open a link in a new tab to view something, then close it, duplicate it or even the browser might restart on that page. The problem is that with Seaside, as long as one action continuation is triggered then as soon as you reload one of these tabs it shows content from the last tab that had some continuation activated. My solution was to change all callbacks that do simple #show: actions with the canonical url of the called page, to implement #initialRequest: to handle the few cases where I need to provide a stable url (for sharing and for Open Graph and friends) and to use Cookie based session tracking. This is similar to the method proposed years ago by Ramon on his blog [1], but without meddling with the Render Loop. I guess that the Seaside book website does something similar. Is there any other way of achieving independent flow in each tab, each with its own renderloop with a different root component? So basically I can have different branches of "_k" when needed. Maybe a Stateful framework such as Seaside is overkill for these cases, in particular because it's heretical in many aspects, but I'm still very productive with its component based development and it's canvas way of building them. Shall we start thinking what we need and want for Seaside 4.0? :-) Regards, [1] http://onsmalltalk.com/clean-urls-in-seaside Esteban A. Maringolo

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Error handlers
by Esteban Maringolo 02 Aug '20

02 Aug '20

Hi all, Does anybody know about a publicly available Seaside Error handler that serializes the exception to disk (to a configurable location) either in a plaintext format or, ideally, using Fuel? Thanks! Esteban A. Maringolo

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seaside August 2020