Yes ----- Original Message ----- From: "David Schwartz" <[EMAIL PROTECTED]> To: "'Tag Libraries Users List'" <[EMAIL PROTECTED]> Sent: Friday, April 09, 2004 10:29 AM Subject: RE: Recursive Functionality with Tags
> Is your item list coming from a database? > > David Schwartz > > -----Original Message----- > From: Jeff Brewer [mailto:[EMAIL PROTECTED] > Sent: Friday, April 09, 2004 10:00 AM > To: [EMAIL PROTECTED] > Subject: Recursive Functionality with Tags > > I'm new to Tags and still hip-deep in getting my first JSP project off the > ground and very much appreciate all the great support in this forum. Thank > You! My question is at the end of all this (in case you want to skip over > the rest)... > > **BACKGROUND > I have an "outline" or "directory" type structure that consists of an > ArrayList that contains objects that have ArrayLists full of the same kind > of objects that each have ArrayLists full of.... and so on. I want my HTML > page to look something like this with each sub-item indented: > > FIRST ITEM > FIRST SUB-ITEM > SECOND SUB-ITEM > FIRST SUB-ITEM > THIRD SUB-ITEM > SECOND ITEM > THIRD ITEM > FIRST SUB-ITEM > FOURTH ITEM > > **CURRENT SOLUTION > I made this work on my JSP page using the following code: > > <% > // get the ArrayList from the request > ArrayList al = (ArrayList) request.getAttribute("issuesList"); > %> > <%=writeIssues(al, new String(), 50) // call the writeIssues function - > returns the outline%> > <%! > String writeIssues(ArrayList al, String myOutput, int indent) { > // sort the array list alphabetically > Collections.sort(al); > Iterator iter = al.iterator(); > Issue myIssue = null; > while (iter.hasNext()) { > myIssue = (Issue) iter.next(); > // append the string with this issue title > myOutput = new String(myOutput + "<p style=\"margin-left: " + > indent + ";\">" + myIssue.getName() + "</p>\n"); > // recurse by passing this issue's ArrayList, the ever-growing > string, and a new indent value > myOutput = new String(writeIssues(myIssue.getChildren(), myOutput, > indent + 50)); > } > return myOutput; > } > %> > > > **QUESTION > Can I do this somehow in JSTL? > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
