you should file a bug on this On Apr 12, James Howe wrote:
> Thanks. That did the trick. The one thing I had been missing was the > 'setPointer' method on LzDatapath. I was looking at the reference > documentation for LzDatapath and I did not see any reference to a 'setPointer' > method. It's not listed as one of the methods inherited from LzDatapointer. > The reference documentation for LzDatapointer does contain a description for > setPointer. What had been confusing me was that I wasn't seeing a method > which would let me change things based on a data node. The setPointer method > was what I had missed. > > Thanks again and I think I'll file a documentation error report on the > setPointer thing. > > On Wed, 12 Apr 2006 12:09:01 -0400, Adam Wolff <[EMAIL PROTECTED]> wrote: > > > Here's the general approach you want to take. > > > > What you want to do is to hand your editor a LzDataElement that is cloned > > from the template. Note that this node doesn't need to be part of a > > dataset; you can hand an xml node directly to a datapath that you've > > declared > > > > <class name="editor" extends="window"> > > <!-- be sure to create a datapath, since we're not going to use xpath > > for databinding here --> > > <datapath/> > > > > > > var newnode = template.getFirstChild().getFirstChild().cloneNode( true ); > > > > editor.datapath.setPointer( newnode ); > > //user fills out form > > .... > > > > //when user clicks ok > > editor.datapath.updateData(); > > ds1.getFirstChild().appendChild( editor.datapath.p ); > > > > Hope this helps. > > > > A > > > > On Apr 11, James Howe wrote: > > > > > I've been working on a data related problem for the last few days which > > > really has me confused. I must be missing something. I'm trying to do > > > something very simple. I have two XML datasets: > > > > > > <dataset name="ds1"> > > > <items> > > > <item name="foo" address="bar"/> > > > </items> > > > </dataset> > > > > > > <dataset name="template"> > > > <items> > > > <item name="" address=""/> > > > </item> > > > </dataset> > > > > > > I have a simple editor which is bound to ds1 with a datapath like this: > > > > > > datapath="ds1:/items/item" > > > > > > The user can change things in the editor and save them. They can also > > > select 'New' to start again. What I've been trying to figure out is how > > > to clone the item element from my template dataset and use it to replace > > > the edited value found in ds1. Looking in the documentation I can see how > > > I could add the template item to ds1 and then delete the original node > > > from ds1 using the addNodeFromPointer, but then if the user edits the > > > values, the values in my template are disturbed. What I want to do is add > > > a deep clone of my template node to the ds1 dataset so that if/when it > > > gets edited, my template remains unaffected. > > > > > > What am I missing? I can find the node I'm interested in by doing > > > xpathQueries. I can clone the LzDataElement returned from the > > > xpathQuery. Once I have that, I don't see how I can add that element as a > > > node in my ds1 dataset. > > > > > > Any help on this would be greatly appreciated. > > > > > > Thanks! > > > > > > > > > > _______________________________________________ Laszlo-user mailing list [email protected] http://www.openlaszlo.org/mailman/listinfo/laszlo-user
