Form api

• Form API Elements
• Form API changes d6>d7
• How variables are saved ?
• Validation function
• Ajouter des états aux formulaires
• Create a VBO like interface with tableselect
• multistep form
• confirmation page
• Use conditionals fields (fields visible only if another have a given value)
• Use a subfunction to change form structure
• validation function
• submit a form programmatically

Form API Quickstart http://drupal.org/node/751826

• hierarchical form element http://drupal.org/node/48643

#tree and #parents