Add a redirect action to the browser update handler
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Key: COCOON-1963
URL: http://issues.apache.org/jira/browse/COCOON-1963
Project: Cocoon
Issue Type: New Feature
Components: Blocks: Ajax
Affects Versions: 2.2-dev (Current SVN), 2.1.10-dev (current SVN)
Reporter: Alexander Klimetschek
In some situations you want to redirect the browser to a different page inside
a cforms action, eg. you have a REST-style interface and create something under
the URL /new (which shows a form to enter your new data) and on save you want
to redirect the user to a page where that new data is stored (e.g. /foobar42).
To do so in an ajax-environment, where the save action will be answered with a
browser-update XML snippet, you need a separate action in the browser update
handler. This patch adds the handling of a simple "redirect" action to the
BUHandler.js:
<bu:document>
<bu:redirect uri="foobar42" />
</bu:document>
If you want to have a fallback solution for non-AJAX cases, you need to trigger
a normal HTTP redirect from your pipeline. This must happen when this
bu:redirect is inside the XML stream, otherwise all content should be
serialized to the browser. That functionality is provided by the attached
RedirectTransformer. The usage would be like:
<select type="ajax-request">
<when test="false">
<transform type="redirect" />
</when>
</select>
The server-side javascript snippet for the save action should look like (form
is the Form object and documentID="foobar42"):
if (newDocument) {
form.getWidget().endProcessing(false);
cocoon.redirectTo("cocoon:/redirectTo/" + documentID);
}
There should be a pipeline that matches "/redirectTo/*" and that serves the
bu:document like above (eg. via a jx template to insert the documentID).
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