I use index and getRow(). However, there is sample code and a tutorial, and could be a usefull transition.
V. Taylor, Jason wrote: > I'd try using indexed first, that monkey stuff is so silly, it can be kind > of frustrating. > > I've done lists of stuff like this before and I initially made the mistake > of over-using nested tags. I found that if you have two or more dimensions > of arbitrary listing then you need nested, but if you have just one you can > use indexed properties. > > -JT > > -----Original Message----- > From: V. Cekvenich [mailto:[EMAIL PROTECTED]] > Sent: Saturday, September 21, 2002 1:53 PM > To: [EMAIL PROTECTED] > Subject: Re: Nested Indexed Property > > > Then it sounds like you need to read the 4 tutorials on > http://www.keyboardmonkey.com/pilotlight/index.jsp > > V > > Howard Miller wrote: > >>The problem is that I don't know the best way to do what I want to do. >> >>Data structure looks like this >> >>Bean A contains Linked List >> List Item 0 >> List Item 1 >> List Item 2 >> .... >> List Item n >> >>Each List Item points to a bean. This bean looks like (for arguments sake > > - its more > >>complicated than this)... >> >>Bean B.Name >>Bean B.Address >> >>I have a screen that lists the linked lists and invites the user to edit > > any of the objects > >>in the list - remember they already exist and are populated (read from > > database). > >>So the edit button points (indirectly or otherwise) to the next page which > > contains a > >>form to edit the data (ie, the bean POINTED TO by the linked list). But > > now I have > >>problems. >> >>1. What do I put in the <html:form> tag and the config xml for that > > matter. > >>2. How do I have the fact that the bean already exists >>3. How do I handle the fact that the bean to use is unknown until run time >>4. How do I handle the fact that the bean is referenced by an ArrayList >> >>I basically need to edit the contents of a bean that is dynamically > > allocated to the form > >>at run time. The structure of the bean IS fixed though, so I don't think > > I'm talking > >>about DynaBeans. >> >>I have thought about (in the action called from the first page) creating a > > new bean in > >>the request scope just containing the selected bean from the list. This > > gets really > >>confusing and has issues of its own. >> >>Does this make more sense? I'm really stuck here!!! Any help greatly > > appreciated. > >>Howard >> >>On 21 Sep 2002 at 16:19, V. Cekvenich wrote: >> >> >> >>>Not sure what your question is: >>>If you want to do multi row displays or multi row displays, I have beans >>>that implement iterator or collection (getRow). >>>If your want to update multiple beans, you can have such beans within a >>>bean. >>> >>>If you have issues with setters, you can unit test them outside of >>>Struts or webapps. >>> >>>If you have issues with parms or attributes, you can debug them my >>>iterating all the attributes/parms for request/session and see what you >>>have. >>> >>>Try going step by step. Test the setter. Test the parms. Test the >>>iteration. (To me, the main attraction of MVC is that you can unit test >>>each component before using it). >>>V. >>> >>> >>>Howard Miller wrote: >>> >>> >>>>Hi, >>>> >>>>Sorry for repeating myself, but I think having read a lot more I can ask >>> > the question > >>>>with a bit more "intelligence". >>>> >>>>To set the scene may I quote from the documentation: >>>> >>>>"You may also place a bean instance on your form, and use nested property >>> > >>>>references. For example, you might have a "customer" bean on your Action >>>>Form, and then refer to the property "customer.name" in your JSP view. >>> > This > >>>>would correspond to the methods customer.getName() and >>>>customer.setName(string Name) on your customer bean" >>>> >>>>fine... BUT what if name is a property of an object in the LIST customer. >>> > So > >>>>(working backwards) I want to create the reference: >>>>customer.get( i ).setName(string Name) (oversimplified I know). >>>> >>>>BUT it gets worse.... the index, i, is actually a property set on the >>> > previous JSP > >>>>page... so its more like >>>>customer.get( reqest.getParameter( "index" ) ).setName(string Name ) >>>>...and of course the form action needs to properly read the current >>> > values into > >>>>the form text fields and then set them back into the correct place. I >>> > have no > >>>>clue how to do this! Any offers? >>>>HM >>> >>> >>> >>> >>>-- >>>To unsubscribe, e-mail: >> > <mailto:[EMAIL PROTECTED]> > >>>For additional commands, e-mail: >> > <mailto:[EMAIL PROTECTED]> > >>> > > > > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
