My story here is a small online shopping site, with very a simple CMS,
so can't help you more :)
On Aug 4, 12:11 am, David Pollak <feeder.of.the.be...@gmail.com>
wrote:
> On Mon, Aug 3, 2009 at 8:31 AM, Lance Zheng <lanc...@gmail.com> wrote:
>
> > thank you David, I'll try it.
>
> So... you're building a CMS system?
>
> I just "volunteered" to create the CMS system for my kids' school, so I'll
> be working CMS code over the next few weeks. If you've got requirements,
> please let me know.
>
>
>
>
>
> > On Aug 3, 10:15 pm, David Pollak <feeder.of.the.be...@gmail.com>
> > wrote:
> > > On Mon, Aug 3, 2009 at 1:31 AM, Lance Zheng <lanc...@gmail.com> wrote:
>
> > > > Hi,
> > > > I want to add/remove Menu at runtime, for dynamically managing menu
> > > > list.
> > > > so I need to persist the menu list(SiteMap?) to the database,
> > > > and retrieve it from the database when users access the home page.
>
> > > > the menu items link to the same page, pass some different params so
> > > > let that page show different data.
> > > > so I want to dynamically build the menu of home page.
>
> > > > is it possible to do this by using SiteMap and Menu of liftweb?
>
> > > In a word, yes.
>
> > > In a bunch of example... well if you have a static menu that you want to
> > > enable, disable based on some calculation, use If() and Unless() when
> > you're
> > > defining your Loc(). You can see an example in ProtoUser.scala.
>
> > > For a custom menu based on RDBMS content:
>
> > > class BaseContentLoc(val name: String, _aspect: String) extends
> > > Loc[CustomContent] {
> > > // the name of the page
> > > // def name = "Content"
>
> > > val BaseAspect = _aspect
>
> > > def defaultParams = Full(ContentLocStuff.NullCustomContent)
>
> > > override def forceParam = defaultParams
>
> > > // the default parameters (used for generating the menu listing)
> > > override def additionalKidParams =
> > > CustomContent.findAll(By(CustomContent.aspect, BaseAspect),
>
> > > OrderBy(CustomContent.displayOrder, Ascending))
>
> > > // no extra parameters
> > > def params = List(Loc.PlaceHolder, Loc.Template(myTemplate))
>
> > > def myTemplate() =
> > > <lift:surround with="default-final" at="content"><lift:display
> > > /></lift:surround>
>
> > > /**
> > > * Generate a link based on the current page
> > > */
> > > val link =
> > > new Loc.Link[CustomContent](List(BaseAspect), false) {
> > > override def createLink(in: CustomContent) = {
> > > Full(Text("/"+urlEncode(BaseAspect)+"/"+urlEncode(in.page)))
> > > }
> > > }
>
> > > /**
> > > * What's the text of the link?
> > > */
> > > val text = new Loc.LinkText(calcLinkText _)
>
> > > def calcLinkText(in: CustomContent): NodeSeq = {
> > > if (in.page.length > 0) Text(in.page) else Text(name)
> > > }
>
> > > object Finder {
> > > def unapply(page: String): Option[CustomContent] =
> > > CustomContent.findContent(page, BaseAspect)
> > > }
>
> > > /**
> > > * Rewrite the request and emit the type-safe parameter
> > > */
> > > override val rewrite: LocRewrite =
> > > Full({
> > > case RewriteRequest(ParsePath(BaseAspect :: Finder(content) :: Nil,
> > > _, _, _), _, _) =>
> > > (RewriteResponse(BaseAspect :: Nil), content)
> > > })
>
> > > /**
> > > * Check for page-specific snippets and
> > > * do appropriate dispatching
> > > */
> > > override val snippets: SnippetTest = {
> > > case ("display", Full(v)) => display(v) _
> > > }
>
> > > def display(v: CustomContent)(in: NodeSeq) = v.content openOr in
>
> > > }
>
> > > Thanks,
>
> > > David
>
> > > --
> > > Lift, the simply functional web frameworkhttp://liftweb.net
> > > Beginning Scalahttp://www.apress.com/book/view/1430219890
> > > Follow me:http://twitter.com/dpp
> > > Git some:http://github.com/dpp
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Beginning Scalahttp://www.apress.com/book/view/1430219890
> Follow me:http://twitter.com/dpp
> Git some:http://github.com/dpp
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