[Seaside] Jetsam

stephane ducasse stephane.ducasse at free.fr
Fri Jul 20 10:25:25 UTC 2007


flotsam and jetsam is/was a hardrock band where the previous bassist  
of metallica was playing :)

On 19 juil. 07, at 22:06, Keith Hodges wrote:

> Dear David,
> Jetsam is now open!
> I have begun by committing some initial bits and pieces I found  
> lying around on the beach.
> I have a few other ideas to add as and when, for example hooks into  
> a basic logging add on.
> When you contribute to Jetsam please add to the list of extensions/ 
> features in the JetsamSeasidePackageInfo-readmeText method, and I  
> think that it would be a useful convention to indicate which  
> version number  of seaside2.8 is the current latest to which this  
> package corresponds.
> enjoy
> Keith
> ----
> ext 01: WAConfiguration-hasPreferenceGroup;
> ext 02: WACachedDocument-clear to ensure next access the document  
> is re-read from disk.
> ext 03: WATagBrush-idNotNil: convenience method for setting ids.
> ext 04: WAImageTag-fileName: restore old api, so that it can be  
> used even though deprecated.
> ext 05: WAHtmlCanvas-heading:level: restore old api, so that it can  
> be used even though deprecated.
> ext 06: WASession-download: contents mimeType: mimeType filename:  
> fileName
>        Enables an anchor to respond with the file content to be  
> downloaded.
> ext 07: WADocumentHandler-mimeDocument/response
>       Enables documentClasses to signal respond with doNotCache by  
> implementing #notCached
> ext 08: WABatchedList-totalSize accessor
> ext 09: WANotCachedDocument - document that doesn't want to be  
> cached in memory
> ext 10: WALibrary names and hence urls are not tied to the class  
> name,  #libraryName can be specified.
> ext 11: WAFileHandler-responseAt:ifAbsent:/libraryAt:ifAbsent:
>        This resolution process enables the libarary resolved by the  
> url to decide who serves the document.
>        (the default behaviour is hardwired such that that library  
> class itself has to serve the content).
> ext 12: WAStandardFilesPlus and WAStandardFilesPlusTest
>        - see class comment for details.
>        - override seaside defaults in your project, and also serve  
> from DISK if you wish.
> WAStandardFilesPlus class comment:
> The majority of seaside projects need to have WAStandardFiles  
> included otherwise such things as the toolbar cease to display  
> properly.
> This class inherits from WAStandardFiles and so by subclassing me,  
> and adding your subclass to your project (e.g. MyFiles)
> you can override the defaults. I also add some features.
> Note the following example, in which the filename may be used to  
> reference a file in your generation code.
> html image url: (MyFiles / 'logo.gif').
> In standard seaside the file selector form #logoGif would be used.  
> In a shameless hack which would never be accepted in seaside  
> proper, we enable both forms. A symbol is assumed to be a selector  
> reference, and a string is assumed to be a file reference. We do  
> this simply because, in situations where you may be asking a user  
> to specify a file via a settings interface, they are likely to be  
> more familiar with the filename form. The filename form is also  
> cannonical.
> Your subclass can also specify whether or not it caches DISK (i.e.  
> not those stored in a file library method selector aka  
> WAStandardFiles) based documents, by defining #documentClass. By  
> default we serve non-cached documents (i.e. we do not cache the  
> document, and we request that the browser does not either), but  
> once your project is defined you may wish to change that.
> We keep a cache the fileNames of those files we have available to  
> serve from disk.
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