Difference between revisions of "Codeunit/Formevents"

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# Create a new class that extends
# Create a new class that extends


     dk.p2e.blanket.codeunit.CodeunitFormevents
     com.tsnocode.codeunit.CodeunitFormevents


== LIST level event hooks ==
== LIST level event hooks ==

Latest revision as of 08:22, 3 October 2023

Form events fires different actions during execution of a solution

Creating the codeunit

  1. Make sure that p2eShared.jar is included in the project
  2. Create a new class that extends
   com.tsnocode.codeunit.CodeunitFormevents

LIST level event hooks

   public String appendListPageHead() { return ""; }
   public String appendListPageFoot() { return ""; }
   public void beforeSelectList() throws Exception {}    
   public void beforeRenderList() throws Exception {}       


LIST execution order

  1. beforeSelectList
  2. Gather form data from database
  3. beforeRenderList
  4. Return list to user

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


ITEM execution order: viewing data

  1. beforeSelectItem
  2. Gather form data from database
  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

Event firing details

Event firing global

The following events are ALLWAYS fired

  • beforeSelectList
  • beforeSelectItem
  • beforeChangeItem
  • beforeUpdateItem
  • afterUpdateItem

Event firing in UI (reserved for normal users)

The following events will NOT be fired during imports etc.

  • appendListPageHead
  • appendListPageFoot
  • beforeRenderList
  • appendItemPageHead
  • appendItemPageFoot
  • beforeRenderItem

Event firing in UI depending on user actions

The following events are SOMETIMES be fired for normal users depending on navigation

  • afterUpdateRedirectActive
    • Not executed in SUBFORM mode
    • Not executed in during imports etc.
  • afterUpdateRedirectContent
    • Depends on a TRUE result from afterUpdateRedirectActive()