Dear all,
Aida 6.2 branch is already open and first new thing will be introduction
of Page/Widget rendering states.
As you know Aida has a two step rendering of pages:
1.step: page is composed from web elements
2.step: page is streamed as HTML back to web client
There are also two methods which element has for those two steps:
1.step: printWebPageFor: aRequest on: aSession
2.step: printHTMLPageOn: aStream for: aRequest on: aSession
There are many advantages of that two-step model, most notable are
post-composing/pre-streaming actions, which you can call by overriding
the printHTMLPageTo: method by adding thos method calls at the start.
In 6.2 we can test in which step is currently a page by checking its
state, which can be
#composing
#streaming
#finished
There are methods #isComposing, #isStreaming and #isFinished.
Because a WebPage is a subclass of WebWindow which is subclass of
WebWidget, you can test this state in widgets too. State and above
mentioned methods are namely implemented in a WebWidget.
Best regards
Janko
--
Janko Mivšek
AIDA/Web
Smalltalk Web Application Server
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