Make usage of sub templates more flexible
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Key: MAGNOLIA-1818
URL: http://jira.magnolia.info/browse/MAGNOLIA-1818
Project: Magnolia
Issue Type: Improvement
Environment: Magnolia EE & CE 3.0x
Reporter: Giancarlo Berner
Assigned To: Boris Kraft
Priority: Critical
We have the possibility to select an image from disk (using "File" control) and
from DMS (using "uuidLink") control.
In most cases we would like to do some image processing (e.g. image scaling).
For that purpose the image has to be loaded in it's own JSP/Servlet. Currently
there are three possibilities to run a sub script:
- virtualURL
- SubTemplates
- NodeDataTemplate
The best solution WOULD be "nodeDataTemplate", because it calls the sub script
on content within paragraphs, which SubTemplate does not (path has to be
EXACTLY the same, with different extensions). The virtualURL is tricky, because
you will have to know in advance which pages will use images which need their
own processing.
Unfortunately the "nodeDataTemplate" works only for control "File"!
Well, to be competitive with other CMS we need to have a way to run sub scripts
in an "independent" way. This could be achieved as follows:
1) Define a content node with a property "selector" (the part between handle
and extension) and a property "path". The idea is to map a selector to a JSP or
Servlet. This could be e.g. selector="jpg.640.480" (or with wild cards:
"jpg.*.*" and path "/templates/global/image_scaling.jsp".
2) Extend the "nodeDataTemplate" functionality to additional controls,
especially "uuidLink".
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