David, I was able to put together a simplified application to demo the problem. It's just a basic lift archetype with a Role.scala added to the mapper package that contains all the relevant code.
Here is the link to the application: http://github.com/glennSilverman/treeview If you run it as-is, you can add new roles to the db but you can't edit them. Glenn On Nov 20, 10:28 am, David Pollak <feeder.of.the.be...@gmail.com> wrote: > On Fri, Nov 20, 2009 at 10:14 AM, glenn <gl...@exmbly.com> wrote: > > David, > > > That's what I thought. All I needed to do was create the Mapper.toForm > > like so: > > > item.toForm(Full("Save"), { _.save }) > > > and the item would be saved on submit. But it doesn't work in my case. > > Please put together a complete runnable example of it not working for you > and we'll debug it. > > > > > > > Glenn > > > On Nov 20, 10:05 am, David Pollak <feeder.of.the.be...@gmail.com> > > wrote: > > > Glenn, > > > > All functions are bound to the current state in the scope that the > > function > > > was created. There's no need to do weird RequestVar things with Hidden > > > fields or anything else. If you've got a function passed to SHtml.text, > > > submit, etc. that function closes over its local scope: it captures all > > the > > > variables it refers to. > > > > So: > > > > def mySnippet = { > > > val myInstance = MyTable.find(whatever) > > > > SHtml.ajaxCheckbox(..., bool => {myInstance.boolField(bool).save; > > Noop}) > > > > } > > > > In the above code, you've captured the instance in the val myInstance... > > > that's kept around for the lifespan of the function that you passed to > > > ajaxCheckbox. > > > > Thanks, > > > > David > > > > On Fri, Nov 20, 2009 at 9:45 AM, glenn <gl...@exmbly.com> wrote: > > > > I've been following this thread as lately I'm having difficulty with > > > > an ajax-submitted > > > > request in my app. Here's the scenario (There's no simple way to > > > > describe this, so bear with me): > > > > > I create a JQuery tree of my data (Mapper object with just an item > > > > name and a parent Mapper object as it's fields) as follows: > > > > > def buildTree(in:NodeSeq):NodeSeq = { > > > > > object MyJqLoad { > > > > def apply(content: JsExp) = new JsExp with JQueryRight with > > > > JQueryLeft { > > > > def toJsCmd = JqId("json_result").toJsCmd + ".load(" + > > > > content.toJsCmd + JsRaw("""+this.id""") + ")" > > > > } > > > > } > > > > > val host = "http://"; + S.hostName > > > > val link = host + ":8080" + S.contextPath + "/api/json/" + > > > > dbTableName.toLowerCase + "/" > > > > > val func = AnonFunc( MyJqLoad(link)) > > > > > TreeView("tree", JsObj(("persist", "location"), ("toggle", func)), > > > > loadTree, loadNode) > > > > } > > > > > The functions, loadTree and loadNode, are used to asynchronously > > > > build the tree of item names from the Mapper instances. > > > > The link val creates a URL, for example, > >http://localhost:8080/api/json/ > > > > <dbTableName>/, > > > > where dbTableName is just the Mapper object name. > > > > > On the client, the user clicks on a tree item, which, as you can see > > > > from the above code, submits the Mapper id selected to the server, > > > > which then > > > > pulls the Mapper.toForm html from the Mapper instance and returns it > > > > to the client at <div id="json_result"/>, which is in my template. > > > > This all works great. > > > > > Where this all breaks down, is in submitting the returned > > > > Mapper.toForm back to the server when I click on the "Save" button, > > > > because no Mapper instance > > > > exists at that point in the request or session for the save button to > > > > act on. > > > > > Somewhere, I'm thinking I have to modify the Mapper.toForm html so the > > > > submit button runs another JavaScript function on the client to return > > > > the Mapper id > > > > to the server for processing. But I haven't yet been able to do this. > > > > One of the problems is that I don't even have an id on the client > > > > (none is returned with Mapper.toForm > > > > html) to work with. And, it seems to me that to make this scenario > > > > work, I'm forced to become a JavaScript guru and work outside of Lift. > > > > In other words, if there isn't > > > > a mechanism in Lift to handle this situation directly, there should > > > > be. > > > > > One of the things I've tried is to add a hidden form field to the > > > > Mapper.toForm html, > > > > > SHtml.hidden(() => itemIdVar(id.toString)), > > > > > where itemIdVar extends RequestVar[String]. > > > > > But I couldn't make that work either. The hidden form field is suppose > > > > to run the ()=Any function, and it may do that, but not in the correct > > > > sequence to do any good > > > > when the form is submitted. > > > > > Glenn > > > > > On Nov 19, 11:35 pm, Jeppe Nejsum Madsen <je...@ingolfs.dk> wrote: > > > > > Chris Lewis <burningodzi...@gmail.com> writes: > > > > > > Thanks for the feedback Jeppe. I can't completely infer the context > > of > > > > > > your example, > > > > > > Seems to happen a lot to me lately. :-) This was just a quick paste > > from > > > > > our codebase.... > > > > > > > but I get the idea (and I hadn't known about TemplateFinder). > > Here's > > > > > > what I've hacked together so far. > > > > > > /Jeppe > > > > > -- > > > > > You received this message because you are subscribed to the Google > > Groups > > > > "Lift" group. > > > > To post to this group, send email to lift...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > > <liftweb%2bunsubscr...@googlegroups.com<liftweb%252bunsubscr...@googlegroups.com> > > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/liftweb?hl=. > > > > -- > > > Lift, the simply functional web frameworkhttp://liftweb.net > > > Beginning Scalahttp://www.apress.com/book/view/1430219890 > > > Follow me:http://twitter.com/dpp > > > Surf the harmonics > > > -- > > > You received this message because you are subscribed to the Google Groups > > "Lift" group. > > To post to this group, send email to lift...@googlegroups.com. > > To unsubscribe from this group, send email to > > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/liftweb?hl=. > > -- > Lift, the simply functional web frameworkhttp://liftweb.net > Beginning Scalahttp://www.apress.com/book/view/1430219890 > Follow me:http://twitter.com/dpp > Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. 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