seaside December 2003

seaside@lists.squeakfoundation.org

19 participants
11 discussions

[Component] PIMListEditor
by Giovanni Giorgi 06 Jan '04

06 Jan '04

Hi all! As promised over two month ago, I have relased a small Seaside component. I post here the first alpha release. It is a small component for editing a list of key,pair data... Please give me your feedback! From the class comment (yes I wrote class comment...and I am a little crazy I know ;)): ================================= I model a Editor for Key,Pair with nice values. You should pass to me a SortedCollection with a good sort block if you like to keep your elements sorted. I can also support closed key list. Give me an array of elements using the keyList: message. The user can edit the key value, for improved flexibility. *Usage Examples: Simple Usage: emailList _ PIMListEditor on: contact email. emailList fieldSize: 20. "Then use email render: html in a seaside component" Advanced Usage: phoneList _ PIMListEditor on: contact phone. phoneList fieldSize: 14. phoneList keyList: #( 'GSM' 'Office Phone' 'Home Phone'). Component Newbie Note: I do not provide a form, so you must embed me in your form code ;) Author: jj(a)objectsroot.com Please send me hints, bug reports and so on. Download Url: not yet ready but will be http://cat.sf.net ;) License: Same as Squeak License. -- [ [ [ JJ ] ] ] | First, they ignore you. Then they laugh | at you. Then they fight you. Then you win http://www.siforge.org | Mahatma Ghandi 'From Squeak3.6 of ''6 October 2003'' [latest update: #5424] on 22 December 2003 at 12:37:28 pm'! WAComponent subclass: #PIMListEditor instanceVariableNames: 'valueList newKey newValue fieldSize keyList ' classVariableNames: '' poolDictionaries: '' category: 'SIForgePIM-Components'! !PIMListEditor commentStamp: 'gg 12/21/2003 12:35' prior: 0! I model a Editor for Key,Pair with nice values. You should pass to me a SortedCollection with a good sort block if you like to keep your elements sorted. I can also support closed key list. Give me an array of elements using the keyList: message. The user can edit the key value, for improved flexibility. *Usage Examples: Simple Usage: emailList _ PIMListEditor on: contact email. emailList fieldSize: 20. "Then use email render: html in a seaside component" Advanced Usage: phoneList _ PIMListEditor on: contact phone. phoneList fieldSize: 14. phoneList keyList: #( 'GSM' 'Office Phone' 'Home Phone'). Component Newbie Note: I do not provide a form, so you must embed me in your form code ;) Author: jj(a)objectsroot.com Please send me hints, bug reports and so on. Download Url: not yet ready but will be http://cat.sf.net ;) License: Same as Squeak License. ! !PIMListEditor methodsFor: 'initialization' stamp: 'gg 12/21/2003 11:31'! initialize super initialize. newKey _''. newValue _''. keyList _ nil. self fieldSize: 18. ! ! !PIMListEditor methodsFor: 'rendering' stamp: 'gg 12/21/2003 11:44'! renderAddEntryBox: html | attribList | attribList _ {'size' -> self fieldSize}. html tableRowWith: [keyList ifNil: [html attributes: attribList. html textInputWithValue: '' callback: [:v | newKey _ v]] ifNotNil: [html attributes: {'size' -> 1}. html selectFromList: keyList selected: keyList first callback: [:v | newKey _ v]]] with: [html attributes: attribList; textInputWithValue: '' callback: [:v | newValue _ v]. html attributes: {'title' -> 'Aggiungi un elemento'. 'id' -> 'vbutton'}; submitButtonWithAction: [newKey ~= '' ifTrue: [valueList addLast: newKey -> newValue]] text: '+']! ! !PIMListEditor methodsFor: 'rendering' stamp: 'gg 12/21/2003 12:27'! renderContentOn: html "Non ha bisogno di avere un tasto di 'cancel' per ora" | key value attribList | attribList _ {'size' -> self fieldSize}. valueList reSort. html table: [" html tableRowWith: [html text: 'Denominazione'] with: [html text: 'Valore']. " valueList associationsDo: [:assoc | key _ assoc key. value _ assoc value. html tableRow: [html tableData: [html attributes: attribList; textInputWithValue: key callback: [:v | assoc key: v]]. html tableData: [html attributes: attribList. html textInputWithValue: value callback: [:v | assoc value: v]. html attributes: {'title' -> '!!Rimuovi definitivamente!!'. 'id' -> 'xbutton'}; anchorWithAction: [valueList remove: assoc] text: 'X']]]. self renderAddEntryBox: html.]! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/15/2003 19:19'! fieldSize "Answer the value of fieldSize" ^ fieldSize! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/15/2003 19:19'! fieldSize: anObject "Set the value of fieldSize" fieldSize _ anObject! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/21/2003 11:32'! keyList: aListOfKey keyList _ aListOfKey. ^aListOfKey.! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/19/2003 19:26'! list "Answer the value of valueList" ^ valueList! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/19/2003 19:32'! list: aSortedCollection "Set the value of valueList" valueList _ (aSortedCollection reSort).! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/14/2003 19:02'! newKey "Answer the value of newKey" ^ newKey! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/14/2003 19:02'! newKey: anObject "Set the value of newKey" newKey _ anObject! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/14/2003 19:02'! newValue "Answer the value of newValue" ^ newValue! ! !PIMListEditor methodsFor: 'accessing' stamp: 'gg 12/14/2003 19:02'! newValue: anObject "Set the value of newValue" newValue _ anObject! ! "-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "! PIMListEditor class instanceVariableNames: ''! !PIMListEditor class methodsFor: 'initialize' stamp: 'gg 12/19/2003 19:26'! on: aColletion |le| le _super new. le list: (aColletion asSortedCollection). ^le.! !

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thread-safety
by radoslav hodnicak 02 Jan '04

02 Jan '04

I was wondering (haven't seen this discussed here) how to make my seaside app "single-threaded", since all the smalltalk code I'm using is (presumably) not thread-safe (and I don't really want to deal with all the thread safety issues, it doesn't buy me anything). Julian told me that multiple requests in one session get serialized on a mutex (can't find the place in code) but this is not good enough. I don't mind having lots of smalltalk processes spawned but as far as I know there is no guarantee that if process A with priority 30 is running and gets preempted by higher-priority process H then, after H goes to sleep, A is resumed again and not some other process with the same priority 30. Thus I can't rely on the fact that concurrent requests will be handled serially. Any ideas or tested solutions? (sorry if this is a solved problem and I'm wasting everyone's time) regards, radoslav -- pgp.mit.edu 0x30DEBAE6 12EE FED5 D5B1 77ED 5637 EB77 2A5F 22F9 30DE BAE6

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RSS and Seaside
by Nevin Pratt 29 Dec '03

29 Dec '03

I'd like comments and thoughts about the difficulty as well as usefulness of integrating an RSS feed for a Seaside website. I'm thinking about creating an RSS feed for bountifulbaby.com, but I'm not sure if our customer base is RSS sauvy enough to even utilize it. Has anybody done an RSS feed for a Seaside site? How difficult was it? Does anybody have any other thoughts as to the usefulness of RSS in general? How good do you think it is as a traffic-generator tool for a website? What are your thoughts about the future of RSS in general? Any thoughts at all would be interesting. Thanks, Nevin -- Nevin Pratt Bountiful Baby http://www.bountifulbaby.com (801) 992-3137

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by 新年は３千万円追加貯金を！ 29 Dec '03

29 Dec '03

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[Goodie] Janus
by Cees de Groot 26 Dec '03

26 Dec '03

Janus, the two-headed god, makes his entry in Seasideland! http://tai42.xs4all.nl/~cg/mc has the initial MC file for 'Tric-Janus', which is a small package that makes Seaside apps spider-friendly in the following way: It can be used instead of WAKom (so 'JanusKom startOn: 1234'), and inspects every request: - a request for /robots.txt is intercepted (note: forward these requests from Apache!). If the request is made from a known spider, everything is allowed; otherwise, everything is denied - a corresponding text file is returned; - a known spider makes a different request. If yes, the cache of 'static pages' is used to answer the request; - all other requests are passed to the code in WAKom. The 'cache of static pages' needs to be built up by the application. This might be application-dependent - the current solution certainly is, because it assumes that at the time the request is handled, the whole structure of the page is known. JanusSession can be used for Janus-aware subclasses and simply adds a method #addToPath:staticContents which does the same as the original #addToPath:, but also registers the passed static contents in the cache of static pages under the full path. Furthermore, JanusKom has a class-side method to register certain urls as indexes - this can be used to make sure that for certain urls an index rather than a page is returned, which might help in some cases to suck a bot into a site. So, when Janus decides to feed from the static pages cache, it returns a known page under the requested URL (if not overridden as an index URL) or, if no pages is found, an index. An index consists of a list of HREFs to all the static pages in the cache with the same prefix as the requested URL (I'm not sure there whether this is the best solution). Gardner (same MC repository) has been modified to support this. GWSession subclasses from JanusSession and calls #addToPath:staticContents:, and GWPage has a method #renderStatic to support this - the only difference is that this method renders path-based rather than Seaside-based HREFs. The end result should be that Gardner Wikis can be visited by spiders without problems, while still allowing you the freedom to add Seaside bells&whistles. Also, the spiders will not see any of the Wiki buttons etcetera, so they'll pull much less data from your site (they won't have access to all the old versions, for example). Furthermore, this might be a nice way to render static wikis - just hit the site with wget -m (which Janus thinks is a spider) and you get a copy. I've added a list of 158 user agent patterns I grabbed from The InternetOne's webserver logs, if there are any remarks about the list I'll be happy to hear it. There's still work to be done, like not writing the cache on every hit, etcetera, but at this time I'm mostly interested in comments about the operating principle. Regards, Cees

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SqP - Design question
by Cees de Groot 18 Dec '03

18 Dec '03

Hi, After trying with HV2 I decided that it didn't fit my needs (it needs work, quite a bit of work), so I'm currently experimenting with Seaside for SqP. However, there's one little question I have as I have never created an app like this: how to structure the application? Clearly, the front page is a sort of, well, front page component. All the links on it are links that I'd like to be in accordance with REST principles, so that when users visit them they get something in their location bar that's bookmarkable (the ability to have 'friendly' links was what lead me to try HV2 first). At the moment I have a front page component that directly renders all the contents, with exception for the article entries which are rendered by embedding article view components. Say that the application url is /seaside/sqp/front, then I'd like the article 'Read more' links to point to something /seaside/sqp/article/<number>, and similarly for the account links, diary entries, etcetera. However, I fear that a) I'll have to do dirty URL hacking for this, and b) that this will force a new session, lots of applications to be maintained in /seaside/config, etcetera. What's the cleanest way to structure this? Use Session>>addToPath: and parse URL's somewhere? Seems that I'm having a bit of trouble with multiple components, so example code would be most welcome :-) Regards, Cees

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Seaside and other language than english
by raymondasselin＠sympatico.ca 12 Dec '03

12 Dec '03

Well, I finished my first application with Seaside a simple Address book using the 'Store' as a model. Seaside is great...really. I'll have to try HTTPView also just to understand how is it different to work with . I have a big question for now....Is it possible to use Seaside in a langage other than english. If I must do a Web site in say...french... how is it possible to do it. I tried something. I loaded a .cs from Andreas Raab (their was long long long ago...) with which I can write Squeak code with french accent without problem. So I thought Seaside will pick it up and go......but this is'nt the case...and a big problem if this can not be made. So what are your thoughts about that.

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status
by Avi Bryant 11 Dec '03

11 Dec '03

Hi folks, Just to let y'all know, I'm about to go traveling for a few weeks, and my email access will be spotty at best. So I'm unlikely to be answering many questions between now and New Year's or so. I do plan to push out a new release before I go, however, sometime tomorrow afternoon. This will include a bunch of small fixes and enhancements that Julian and Andrew have been committing for the last while, as well as a revised Store example and probably some other stuff I'm forgetting. This will be one of the last of the 2.3 series releases, as I've been doing some pretty heavy refactoring on a development branch that's nearly ready for a first release. Expect to see a 2.4a sometime late January. I also intend to spend a fair bit of time in January/February writing documentation... no, really. Happy holidays etc to all. Cheers, Avi

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Re: [Seaside] Seaside and other language than english
by raymondasselin＠sympatico.ca 11 Dec '03

11 Dec '03

Hi Avi, thank for the reply. What I did: as #encodeText: use #text: , I renamed #text: to keep it. After I merged #encodeText: and the content of #text: in a new method named: WAHtmlBuilder>>text: This work but I found in some places ' ' see the .gif and look what this means (below) ' What is  ? Is it needed?   is the entity used to represent a non-breaking space. It is essentially a standard space, the primary difference being that a browser should not break (or wrap) a line of text at the point that this   occupies. Many WYSIWYG HTML editors insert these   entities in an effort to control the layout of the HTML document. For example, such an editor may use a series of non-breaking spaces to indent a paragraph like this: <P>       This first line of text is supposed to be indented. However, many browsers will not render it as intended. </P> ' Also I selected MacRoman as encoding in my WebBrowser

2 1

GOODS on XP
by Glenn Swanlund 09 Dec '03

09 Dec '03

I'm running XP Pro and trying to get Seaside (84) running with GOODS, but so far no luck. I installed MCInstaller and KomHttpServer-6.2 in a fresh version Squeak 3.6. When I try to load goods-2.72.tar.gz, I get an error "can't find EOCD position". When I try to load GOODS-avi.43.mcz.zip I get an error "At least one digit expected here" (MczInstaller>>extractInfoFrom:). Avi, can you offer some help? Regards, Glenn

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seaside December 2003