Thanks, that was it, works perfectly. Never had to use notifications so far and so they were just not present on my horizon. I knew I needed just the right nudge
---markus--- On 30.01.2012, at 17:13, David LeBer wrote: > Just thinking off the top of my head: > > Maybe post an NSNotification in the EO's willUpdate (assuming you are using > subclasses of ERXGenericRecord) method if the textblock is changing. The > notification should contain the EOGlobalID of the changed object. > > Register to receive that kind of notification in your Session object, or > somewhere else that it is appropriate to handle it. > > If the pdf generation takes time, consider trying something like > ERXAsyncQueue to handle in the background. > > D > > -- > David LeBer > Codeferous Software > > On 2012-01-30, at 9:59 AM, Markus Ruggiero wrote: > >> Yes, Paul, I know this - and I do not want to mix. BUT: the required >> functionality is so, that when a "textblock" is edited and then stored to >> the database, all "electronic documents" that include this particular >> textblock must be recreated automatically. To be able to do this I must be >> able to find the updated textblock. This is something that the editing >> context can tell me. To generate the electronic document (resulting PDF) I >> use a standard WOComponent to generate the XML as input to Apache FOP. And >> here is my problem: When the user presses "Save" in the D2W page this can >> result in some modifications to textblocks. Textblock is not necessarily the >> top entity in the D2W edit page. First I had my code in the nextPageDelegate >> for the editing page. But this is only called after the save has taken place >> and I the editing context cannot tell me what has been saved and needs >> regeneration of the relevant PDF. Can I trap saveChanges() in a D2WEditPage >> without having to freeze the component? Or is there a way for the editing >> context to access the request/context (which should probably not be)? Or am >> I completely off track? >> >> I hope I could make clear where my problem is. Thanks for input/help/whatever >> ---markus--- >> >> On 30.01.2012, at 14:06, Paul D Yu wrote: >> >>> Component generation, XML generation are "UI" view things, they should NOT >>> be down in your EOs!!! Have you looked at the PDF generation example in >>> Wonder? >>> >>> Basically, you should create a component like any other, except the wrapper >>> is what FOP wants. >>> >>> Paul >>> >>> Sent from my iPad >>> >>> On Jan 30, 2012, at 4:58 AM, Markus Ruggiero <[email protected]> >>> wrote: >>> >>>> Help, this is urgent, please could someone have a look. I am at a loss >>>> here. Probably my concept is wrong but I do not see how to fix it. A >>>> nudge into the right direction (or a kick into the bu**) might be all I >>>> need. >>>> >>>> Thank you very much >>>> ---markus--- >>>> >>>> On 27.01.2012, at 15:35, mailinglists wrote: >>>> >>>>> Help! >>>>> >>>>> My ERD2W application needs to generate PDF-files for EOs. The EO has a >>>>> method that calls a XML-Generator that generates the XML-input for >>>>> Apache-FOP. For this I use the following code in the Document-EO (just a >>>>> fragment) >>>>> >>>>> I_XMLGeneratorInterface xmlGenerator = >>>>> (I_XMLGeneratorInterface)WOApplication.application().pageWithName(generatorName, >>>>> new WOContext(session.context().request())); >>>>> >>>>> The problem is that pageWithName needs a WOContext and this needs a >>>>> WORequest. The WORequest comes from the session. BUT EOs are not supposed >>>>> to know about sessions. So I pass the session into that method when I >>>>> call the document to generate the PDF data. Fine, works. But now I want >>>>> to automate the generation of PDFs when any relevant object is saved. I >>>>> have thus created my own EOEditingContext descendant where I override >>>>> saveChanges(). Whenever I save a relevant object I check after success if >>>>> that object has related documents and then call those to generate the >>>>> PDF, passing in the session. My EditingContext has a session variable and >>>>> in the session-constructor I manually create my editing context, stuff >>>>> the session into it and install it as defaultEditingContext. But D2W >>>>> creates editingContexts and knows nothing about feeding with session >>>>> information. When my code runs session variable is null and no PDFs are >>>>> created. >>>>> >>>>> Any idea how to tackle this problem? HELP! Is my strategy ok? Can I fix >>>>> the missing session somehow? Or would you recommend a different way to go? >>>>> >>>>> Thanks a lot, this is an urgent one >>>>> ---markus--- >>>>> _______________________________________________ >>>>> Do not post admin requests to the list. They will be ignored. >>>>> Webobjects-dev mailing list ([email protected]) >>>>> Help/Unsubscribe/Update your Subscription: >>>>> https://lists.apple.com/mailman/options/webobjects-dev/mailinglists%40kataputt.com >>>>> >>>>> This email sent to [email protected] >>>> >>>> _______________________________________________ >>>> Do not post admin requests to the list. They will be ignored. >>>> Webobjects-dev mailing list ([email protected]) >>>> Help/Unsubscribe/Update your Subscription: >>>> https://lists.apple.com/mailman/options/webobjects-dev/pyu%40mac.com >>>> >>>> This email sent to [email protected] >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/dleber_wodev%40codeferous.com >> >> This email sent to [email protected] > > _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
