Pro Drupal Development by John K. VanDyk (auth.)

By John K. VanDyk (auth.)

Widely praised for its in–depth assurance of Drupal internals, bestselling Pro Drupal Development has been up-to-date for Drupal 6 during this variation, and offers are much more methods of the alternate that can assist you extra your self as a qualified Drupal developer.

Assuming how you can set up and convey a typical install on-line, John okay. VanDyk delivers every thing else you must customise your Drupal set up besides the fact that you notice healthy. Pro Drupal improvement, moment Edition delves deep into Drupal internals, exhibiting you the way to take complete benefit of its strong architecture.

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3. Enable the module. This time Drupal will create the tables while the module is being enabled. install file or execution fails for another reason, you can make Drupal forget about your module and its tables by disabling the module at Administer ➤ Site building ➤ Modules and by uninstalling the module’s tables using the Uninstall tab. As a last resort, deleting the module’s row from the system table of the database will do the trick. After Drupal has created the annotations table to store the data, we’ll have to make some modifications to our code.

Inc: /** * Form builder. Configure annotations. * * @ingroup forms * @see system_settings_form(). */ 29 30 CHAPTER 2 ■ WRITING A MODULE function annotate_admin_settings() { // Get an array of node types with internal names as keys and // "friendly names" as values. '), '#default_value' => variable_get('annotate_limit_per_node', 1), '#size' => 3 ); return system_settings_form($form); } We add a radio button to choose when annotations should be deleted and a text entry field to limit the number of annotations allowed on a node (implementation of these enhancements in the module is left as an exercise for you).

The name “annotate” seems appropriate—it’s short and descriptive. Next, we need a place to put the module. We could put it in the modules directory along with the core modules, but that would make maintenance more difficult, because we’d have to remember which modules are core modules and which are ours. Let’s put it in sites/all/modules to keep it separate from the core modules. Create the sites/all/modules directory if necessary. Create a subdirectory called custom in sites/all/modules and a subdirectory called annotate in sites/all/modules/custom.

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