Looks good - and even if it's wrong, it should go on the wiki so people can correct it.
On Tue, 4 Feb 2003, Mike Cannon-Brookes wrote: > Almost, but not quite. :) > > RULES OF THE STACK: > > 1) The stack is just a stack of objects. > > 2) Initially the stack contains the Action executed (this is why as you say > value="foo" calls action.getFoo()) > > 3) New objects are placed onto the stack during the body of various tags > (like <ww:iterator> or <ww:property> for example) > > 4) Using the expression language you can navigate UP the stack (ie ../ to > move up the stack, / to root an expression from the top of the stack) > > 5) Using the expression language you can navigate DOWN the object graph from > any point on the stack (ie / to move down the object's methods) > > > How is that for a brief primer? Should we put this on the Wiki? Anyone have > any other rules to add? > > -mike > > On 4/2/03 10:15 AM, "Andre Mermegas" ([EMAIL PROTECTED]) penned the > words: > > > Yeah, I've been looking at the wiki and saw that document, it is very > > helpful for the syntax, thanks. > > > > As far as the value stack goes, I've been thinking about it a bit, and > > this is what I've come up with, The stack begins with whatever > > properties comes from the Action directly, so "errors" is a base > > property because it has a getter/setter in ActionSupport and through > > inheritance my Action. > > As witnessed by: > > > > <ww:iterator value="errors"> > > key=<ww:property value="key"/>, value=<ww:property > > value="value"/><br> > > </ww:iterator> > > > > Anything attached to the Action say for instance a bean that has a > > getter/setter; its properties are not visible from the base of the stack > > because the getters and setters for the beans properties are not in the > > action but are in the bean, so to access them you must prefix the > > property value with objectName/propertyname. > > > > As witenessed by: > > name=<ww:property value="testBean/name"/> > > > > I think I get it now. > > > > Regards, > > -Andre Mermegas > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]] On Behalf Of > > boxed > > Sent: Monday, February 03, 2003 5:36 PM > > To: [EMAIL PROTECTED] > > Subject: Re: [OS-webwork] where might info on this be? > > > >> 3.) A list of all possible views.properties entries like > >> action.* what is available and what does it do. I'm aware of the basic > > ones: > >> foo.action, foo.success, foo.error, foo.none, foo.input, foo.login for > >> having looked at the Action interface but are there any other > > possible? I > >> don't know. > > > > The suffixes are just strings. An action returns a String, and that > > return > > value is what you map in the views.properties file. Nothing more, > > nothing > > less. > > > >> 2.) A good explanation of how exactly the value stack works, > > > > The wiki has a reference: > > http://www.opensymphony.com:8668/space/WebWork+Expression+Language+Synta > > x > > > > Anders Hovmöller > > [EMAIL PROTECTED] http://boxed.killingar.net > > > > > > > > ------------------------------------------------------- > > This SF.NET email is sponsored by: > > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > > http://www.vasoftware.com > > _______________________________________________ > > Opensymphony-webwork mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork > > > > > > > > > > ------------------------------------------------------- > > This SF.NET email is sponsored by: > > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > > http://www.vasoftware.com > > _______________________________________________ > > Opensymphony-webwork mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork > > > > ------------------------------------------------------- > This SF.NET email is sponsored by: > SourceForge Enterprise Edition + IBM + LinuxWorld http://www.vasoftware.com > _______________________________________________ > Opensymphony-webwork mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork > --------------------------------------------------------- Joseph B. Ottinger [EMAIL PROTECTED] http://enigmastation.com IT Consultant ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Opensymphony-webwork mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork
