October 2007 - smallwiki

[ANN] Seaside+Pier+Magma image available

by Keith Hodges

First (alpha!) release of Pier running with Magma Persistency. Image available from ftp.seasidehosting.st User: preloaded Password: squeak enjoy Keith ------ Image Use Instructions In pier configuration click on 'Magma Control Panel', which will inform you that the repository does not exist. If you have placed this image on seasidehosting then you will have to manually create the repository directory. Given the list of options as to what repository to create, click the 'create' button (and wait). The existing pier kernel should appear in the list with a 'persist' button next to it, click 'persist'. Then try it and see! ------ ------ Detailed Log of Image Creation Steps (alternative title: "monticello tutorial") This image was prepared as follows: Beginning with Squeak3.8-6555full Initial start asks for updates: select "do not ask again" - this is important should you wish to deploy. Headless servers (e.g. seasidehosting) cannot handle user interaction and will stop at this point. From "world menu > open.... > Monticello Browser" Browser opens with (Monticello....) Click the "+Repository Button", select "HTTP" as the repository type, and enter MCHttpRepository location: 'http://www.squeaksource.com/Seaside' user: '' password: '' as the repository info (if you have a login on Squeaksource then you can enter your initials as the 'user' above.) Add the following repository for Monticello. MCHttpRepository location: 'http://www.squeaksource.com/Monticello' user: '' password: '' Add the following repository for Magma. MCHttpRepository location: 'http://www.squeaksource.com/MagmaTester' user: '' password: '' and the following two repositories for Magritte and Pier MCHttpRepository location: 'http://mc.lukas-renggli.ch/magritte' user: '' password: '' MCHttpRepository location: 'http://mc.lukas-renggli.ch/pier' user: '' password: '' also: MCHttpRepository location: 'http://www.squeaksource.com/OmniBrowser' user: '' password: '' (to edit this information: click the menu button in the right hand pane of the Monticello Browser) ---- Loading Latest Monticello. More recent versions of Monticello provide better feedback as to which packages are currently loaded. Select the http://www.squeaksource.com/Monticello repository, click "open", select the latest package (Monticello-avi.279) from the main "Monticello" branch, and click "load". Select the Monticello package on the left hand pane, and the squeaksource/Monticello repository in the right hand pane. Click 'open'. In the repository browser, click on the latest version (Monticello-avi.279.mcz) and click 'Load'. ---- Loading Seaside Select "world menu > open... SqueakMap"... and a dialog will ask if you wish to upgrade SqueakMap. Which you do. Notice that SMBase, SMLoader packages appeaer in the Monticello browser, since the upgrade is performed by loading Monticello packages. In SqueakMap, select the ever so convenient "Seaside Installer" which should load in the whole of seaside with its dependencies in one go. To do this select the left had pane menu button, "install". (Part way through the install you will be prompted to enter an admin username (seaside) and password (admin)) (if SqueakMap doesnt work it is being knobbled by a more recent package-cache, remove it and try again) Select the seaside repositoryClick the "open" and the repository browser will open. Select Seaside2.6b1 which is the current latest. In the right hand pane are the releases. Releases may be made by anyone and they may be small branches off from the main stream. Periodically an effort will be made to ensure that all changes are merged. Click the history button in order to browse the history of this package to get some idea of what is going on. Look at the ancestors of a package to see if one version is being sequentially built on the next, or whether any branching is occurring. Seaside is fairly mature and changes infrequent, therefore it is likely to be safe to grab the latest version. Loaded Seaside2.6b1-mb.79 Loaded Scriptaculous-lr.137 To start Seaside doit: WAKom startOn: 8080. ( Or use the "beach flags" SeasideMorph available from: http://minnow.cc.gatech.edu/squeak/5862 ) To test if everything is running, check the following url in your normal web browser. http://localhost:8080/seaside/config you should be prompted for you username and password (as given earlier). ---- Loading Magma Back to the Monticello Browser. Deselect the selected package by clicking on it once. This should re-reveal all of the registered repositories. (It is worth saving this. In the right hand side pane menu button there is a menu item: "Save Repositories", which writes a simple configuration script to the working directory.) Select the http://www.squeaksource.com/MagmaTester repository, and click "open". Select MagmaServerLoader, and click "load". (it takes a while!) loaded MagmaServerLoader-cmm.21 loaded Ma client server-cmm.123 loaded Ma exception handling-cmm.22 loaded Ma time objects-cmm.37 ---- Load Magma Seaside Integration Package Select "Magma Seaside" (lhs) and the latest package and click "load", loaded Magma Seaside-kph.18 ---- Load Magma Seaside Sushi Store Demo fixes loaded Seaside-Examples-Store-Magma.kph-11 ---- Before using Magma may need to execute the following. MagmaSession initialize. MagmaRepositoryController initialize. useful snippets MagmaSession allInstances cleanUp. MagmaSession disconnectAndCloseAllConnectedSessions. ---- Load Magritte loaded Magritte-All-lr.171 Load Pier loaded Pier-All-lr.109 Load OmniBrowser loaded OmniBrowser-avi.258 loaded Pier-OmniBrowser-lr.19 ---- Latest Pier-Magma code loaded Pier-Model-kph.80 loaded Pier-Seaside-kph.80 loaded Pier-Magma-kph.1 ---- Pre-upload actions: Monticello Browser - "flush cached versions". ---- Release Preloaded Image as Sqk3.8f-smp.image ___________________________________________________________ The all-new Yahoo! Mail goes wherever you go - free your email address from your Internet provider. http://uk.docs.yahoo.com/nowyoucan.html

15 years, 5 months

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Extracting a pier root

by Damien Cassou

Hi, what is the best solution to extract a pier website from an image and put the extracted root into another image ? Thanks -- Damien Cassou

15 years, 11 months

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Adding link types

by Keith Hodges

I was wondering if it might be worth dispatching the calls visitBrokenInternalLink: visitEmbeddedInternalLink: etc back to the Link instance... So that the types of link can render themselves appropriately. Keith

16 years

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Possible Bug?

by Sebastián Perez Escribano

Hi list, I´m working on Visual Works, and when a change the persistecy policy for PRImagePersistency and send #start, works. But when I add or remove a page the system crash. If I put PRNullPersistency again there is no problems. Here is the stack: BlockClosure [] in Object>>doesNotUnderstand: * optimized [] in Magritte.MAComponentRenderer>>hasError: self BlockClosure [] in Magritte.MAComponentRenderer>>hasError: *temps* each a MessageNotUnderstood self a Magritte.MATableRenderer *inst vars* method CompiledBlock [] in Magritte.MAComponentRenderer>>hasError: outerContext nil copiedValues a Magritte.MATableRenderer * OrderedCollection>>do: self OrderedCollection (a MessageNotUnderstood) *temps* aBlock BlockClosure [] in Magritte.MAComponentRenderer>>hasError: index 1 *inst vars* firstIndex 1 lastIndex 1 * Magritte.MATableRenderer(Magritte.MAComponentRenderer)>>hasError: self a Magritte.MATableRenderer *temps* aDescription a Magritte.MAPriorityContainer label: 'Add' comment: nil *inst vars* component a Magritte.MAContainerComponent html a Seaside.WARenderCanvas errors IdentitySet () * optimized [] in Magritte.MAComponentRenderer>>classFor: self BlockClosure [] in Magritte.MAComponentRenderer>>classFor: *temps* stream a WriteStream aDescription a Magritte.MAPriorityContainer label: 'Add' comment: nil self a Magritte.MATableRenderer *inst vars* method CompiledBlock [] in Magritte.MAComponentRenderer>>classFor: outerContext nil copiedValues #(a Magritte.MAPriorityContainer label: 'Add' comment: nil a Magritte.MATableRenderer) * String class(SequenceableCollection class)>>streamContents: self String *temps* blockWithArg BlockClosure [] in Magritte.MAComponentRenderer>>classFor: stream a WriteStream *inst vars* superclass CharacterArray methodDict MethodDictionary (#printOn: #hash #= #storeOn: #isLiteral #isSameXmlAs: #string #indexOfAnyOf:startingAt:ifAbsent: #withSqueakLineEndings #asDateAndTime #copyToHeap:encoding: #stringhash #asMIMEDocumentType: #compare: #asByteString #includesSubstring:caseSensitive: #asInteger #padded:to:with: #endsWith: #skipDelimiters:startingAt: #< #<= #>= #> #isString #includesSubString: #decodeAsLiteralArray #asTimeStamp #runLengthFor: #asParagraph #asText #lines #sunitMatch: #+ #caseInsensitiveLessOrEqual: #getEnclosedExpressionFrom: #asTwoByteString #asDuration #translated #copyToHeapUnicode #asDate #withoutQuoting #withSeparatorsCompacted #fullMetaName #inspectorClass #findTokens: #withBlanksTrimmed #gcCopyToHeapUnicode #sameAs: #gcCopyToHeapEncoding: #capitalized #copyToHeapEncoding: #asWordArray #changeFrom:to:with: #renderOn:indentLevel: #evaluateExpression:parameters: #concreteIndexFor: #copyToHeap: #indexOf:startingAt:ifAbsent: #convertToByteArray #encodeForHTTP #classNameOnly #refersToLiteral: #concreteString #asByteArrayEncoding: #asHexString #sunitSubStrings #prettyPrintHtmlOn:indentLevel: #asFourByteString #namesMetaClass #copyToHeap16Encoding: #trueCompare: #textRepresentation #asCapitalizedPhrase #stringEncoding #format: #isByteIndexed #asByteArray #printHtmlOn: #asClassNameOnly #asMIMEDocument #md5Hash #beginsWith: #asTime #hasChangeOfEmphasis #literalArrayEncoding #withHTMLEscapes #gcCopyToHeap16Encoding: #matches: #findDelimiters:startingAt: #renderOn: #isoToSqueak #indexOfSubCollection:startingAt: #sunitAsSymbol #adaptToString:andSend: #indexOfAnyOf:ifAbsent: #isAllSeparators )...etc... format 16384 subclasses #(ByteEncodedString TwoByteString Symbol GapString FourByteString) instanceVariables nil organization ('accessing' #changeFrom:to:with: #concreteIndexFor: #concreteString #indexOfSubCollection:startingAt: #runLengthFor: #string #stringEncoding) ('converting' #asByteArray #asByteArrayEncoding: #asByteString #asFourByteString #asParagraph #asText #asTwoByteString #asWordArray #convertToByteArray #decodeAsLiteralArray #literalArrayEncoding #withHTMLEscapes) ('comparing' #< #<= #= #> #>= #hash #sameAs:) ('te...etc... name #String classPool String asNameSpace environment Core Greetings in advance!

16 years

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Query about Pier

by Sebastián Perez Escribano

Hi list, im working with Pier on VisualWorks and I have to add a user. So I do this: ((PRKernel instanceNamed:'Pier') propertyAt: #users) add: self user. But when a look a users report the new one doesn´t appear. And in the Pier Kernel its replicated. Its something Im doing wrong? Exist another way to add a user? Greetings in advance, Sebastián

16 years, 1 month

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[ANN] demise of Pier-Shore

by Keith Hodges

Dear All, Pier (or any other seaside application) no longer needs a specialized root component in order to use ShoreComponents. The Seaside28Jetsam package now includes a ShoreHelperHelper which can be enabled in your pier app configuration. The "Helper" portion of Jetsam is entirely self contained, so could be distributed separately. The goal of the helpers concept is to avoid having to use specialized root classes for generic additions which results in combinatorial problems for multiple such additions. Helpers are Decorations which are automatically added to the root component of any application subject to configuration options. They work similarly to other Plugins in Seaside 2.8, as in, you can provide additional Helpers by subclassing WAHelper. So far, in addition to the "Shore Components Helper", Jetsam implements a "Keep Alive Helper" for keeping the session alive while the users browser is open. I find the later totally indispensable. Next I am looking to see how a similar mechanism can be used to avoid needing to subclass WASession. I aim to support Magma as a helper so that all of the different options for shared or pooled magma sessions can be orthogonal to the choice of seaside session class. If Comet could be added as a helper as well then that would also be great. best regards Keith

16 years, 1 month

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[Ann] Pier-Commands-RemoveChildren

by Keith Hodges

Some folks may find this useful Keith -=-=- Name: Pier-Commands-RemoveChildren-kph.1 Author: kph Time: 26 October 2007, 6:26:35 pm UUID: 9a0279a6-83e8-11dc-a340-000a95edb42a Ancestors: Original Author: Damien Cassou <damien.cassou(a)gmail.com> Remove Children, presents a list of the current structures children for you to select those you wish to remove. This command is particularly useful for removing components whose display becomes broken during development. - update of what was Pier-UsefullComands for the latest Pier (circa Pier-Model-lr.175)

16 years, 1 month

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Components using subcomponents

by Keith Hodges

Hi Lukas, I am struggling to see how components can register sub-components as children. One of my components has a header/footer fields which are rendered using wiki format. Unfortunately embedding components in this format does not work and I am trying to find a way to fix it. any thoughts? Keith

16 years, 1 month

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magritte - multiple dynamic views for information gathered on multipage form

by merlyn＠stonehenge.com

I have a traditional "gather information over 10 pages" app in Perl that I'm rewriting using Seaside and Magritte. The current app stashes everything in a giant Perl hash (saving and loading from hidden vars) at each step. Sometimes, the presence or absence of (or even repetitions of) a field depends on previous questions answered on previous pages. When I started to model this with Magaritte, I quickly hit some roadblocks trying to implement the dynamic "descriptionFoo" since these are (a) cached and (b) have no access to "self" since they are class-side. So I've managed to come up with something that sorta works instance-side, but I'm not very happy with it, as I wonder for example how many times "myModel description" will be called during a render, and whether I should try to cache that. I also am ending up with a series of subclasses of a parent class that holds the entire collected values, but has only the items of interest. None of this seems very clean, and it seems like I'm reinventing some wheels. Does anyone have some examples of how to do things like a basic "gather info from a multipage query, some of which depends on earlier answers" task would work and look like? -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn(a)stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!

16 years, 1 month

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Another command copying fix

by Keith Hodges

I found this fix in my code which is another intended to preserve the command-context integrity Keith --- PRCommand-context: aContext context: aContext (self isValidIn: aContext) ifFalse: [ self error: self name , ' is not useable in the given context.' ]. ^ (aContext command: self new) command

16 years, 1 month

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smallwiki October 2007