ITEM level event hooks

public String appendItemPageHead() { return ""; }
public String appendItemPageFoot() { return ""; }

public void beforeSelectItem() throws Exception {}
public void beforeChangeItem() throws Exception {}
public void beforeUpdateItem() throws Exception {}
public void beforeRenderItem() throws Exception {}
public void afterUpdateItem() throws Exception {}

public boolean afterUpdateRedirectActive() { return false; }
public String afterUpdateRedirectContent()   { return null; }

ITEM execution order: viewing data

1. beforeSelectItem
2. Gather form data from database
   • dataFilterActive > dataFilterHandler
   • itemFilterActive > itemFilterHandler
3. beforeRenderItem
4. Return form to user

ITEM execution order: posting data

1. beforeSelectItem
2. Gather form data from database
3. beforeChangeItem
4. Update field values
5. beforeUpdateItem
6. Write changes to database
7. afterUpdateItem
8. if NO OTHER ACTION:
   • afterUpdateRedirectActive
   • if TRUE
     • afterUpdateRedirectContent
9. Return content to user