Mercurial > p > roundup > code
changeset 2047:9e72663e5671 maint-0.6
*** empty log message ***
| author | Richard Jones <richard@users.sourceforge.net> |
|---|---|
| date | Wed, 25 Feb 2004 04:24:48 +0000 |
| parents | 8de56036480a |
| children | c0961f42d8f3 |
| files | doc/customizing.txt |
| diffstat | 1 files changed, 18 insertions(+), 1 deletions(-) [+] |
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--- a/doc/customizing.txt Tue Feb 24 23:49:52 2004 +0000 +++ b/doc/customizing.txt Wed Feb 25 04:24:48 2004 +0000 @@ -2,7 +2,7 @@ Customising Roundup =================== -:Version: $Revision: 1.93.2.7 $ +:Version: $Revision: 1.93.2.8 $ .. This document borrows from the ZopeBook section on ZPT. The original is at: http://www.zope.org/Documentation/Books/ZopeBook/current/ZPT.stx @@ -2132,6 +2132,23 @@ where "myaction" is the name you registered in the previous step. +Actions may return content to the user +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Actions generally perform some database manipulation and then pass control +on to the rendering of a template in the current context (see `Determining +web context`_ for how that works.) Some actions will want to generate the +actual content returned to the user. Action methods may return their own +content string to be displayed to the user, overriding the templating step. +In this situation, we assume that the content is HTML by default. You may +override the content type indicated to the user by calling ``setHeader``:: + + self.setHeader('Content-Type', 'text/csv') + +This example indicates that the value sent back to the user is actually +comma-separated value content (eg. something to be loaded into a +spreadsheet or database). + Examples ========