Theme preprocess functions: An Introduction (DrupalCamp NYC 10 2011)
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The document is about theme preprocessing functions in Drupal. It introduces the concept of preprocessing and explains that preprocessing functions allow making content more flexible and dynamic by modifying variables before they are passed to templates. It discusses how preprocessing happens on the server side before HTML is returned. Examples are provided of using preprocessing to add classes, modify content, and specify additional templates. The document encourages remembering that every template has a corresponding preprocessing function and not to overload debugging functions like dpm.
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Theme preprocess functions: An Introduction (DrupalCamp NYC 10 2011)
- 3. Carl Wiedemann t I live here in NYC...
- 4. Carl Wiedemann ...originally from Denver
- 6. RIP
- 10. Preprocess in Theory
- 11. 7! 7! Theme Dilemmas
- 12. <div class="content"> <?php print $content; ?> </div> What do we do if this is insufficient?
- 13. <div class="content"> <?php print $my_content; ?> </div> How can we create more useful content?
- 14. <div class="<?php print $my_classes; ?>"> <?php print $my_content; ?> </div> How can we create more useful content? How can we keep our theme contextual?
- 15. Preprocess
- 16. <?php print $my_content; ?> Preprocess makes content flexible
- 17. class="<?php print $my_classes; ?>" Preprocess makes theming dynamic
- 18. if else foreach while switch = Preprocess keeps templates clean
- 19. So, when does preprocess happen?
- 20. Request ...Server receives request
- 21. Database Raw data Modules Request Processing Return data
- 22. Database Raw data Modules Request Processing Return data Theme Formatted data HTML!
- 24. Database Raw data Modules Request Processing Return data Theme Formatted data HTML!
- 25. Database Raw data Modules Request Processing Return data Theme Formatted data HTML!
- 26. Preprocess in Practice
- 27. Firebug (or similar) devel drush
- 28. Exploring includes/theme.inc sites/all/themes/jupiter/template.php jupiter_preprocess_page() dpm() dd() jupiter_preprocess_node() Demo
- 29. Manually creating $submitted $myvar Demo
- 30. Specifying additional templates Demo
- 31. Contextual CSS Demo
- 32. Working with CCK 7! 7! Working with fields Demo
- 33. Every template has a preprocessor! Don't forget :)
- 34. file-name.tpl.php jupiter_preprocess_file_name() Don't forget :)
- 35. Sexier examples Oh yeah
- 36. Views inbox Demo
- 37. Cheap JSON API Demo
- 38. Disclaimer :)
- 39. Important things to remember: dpm() delays Don't overload dpm()! Clear cache when adding new tpl files and adding functions to template.php Use check_markup() and check_plain() on data that may be unsafe
- 41. Thanks Thanks to Matt Tucker (ultimateboy) for inspiring this talk Demo Photography Credits "Baseballs" http://www.flickr.com/photos/randomacts/2277808469/ "Basketball" http://www.flickr.com/photos/chillihead/3150447792/ "UNF Baseball vs. Florida Gulf Coast University" http://www.flickr.com/photos/8363028@N08/3368813471/ "Thor vs. Superman (49/365)" http://www.flickr.com/photos/jdhancock/4369073183/ Licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License http://creativecommons.org/licenses/by-nc-sa/3.0/us/