Difference between revisions of "Event Delegate Sequences"
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If specified, the VALIDATION Attribute expression is checked on exiting a modified field. | If specified, the VALIDATION Attribute expression is checked on exiting a modified field. | ||
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'''CHANGED''' | '''CHANGED''' |
Latest revision as of 05:38, 30 July 2019
Contents
See Also
Custom Delegates, Database Triggers,
Opening and Closing
Opening an App
Desktop
When a Desktop App is opened, the following database events and table triggers are called:
- DBC_OPENDATA database event
- ONOPEN table trigger
And the following event delegates are called:
- init
- visiblewhen, enabledwhen (runtime only)
- load
- datachanged, parentdatachanged, refresh, afterrefresh
- ready
- resized (Canvas and Custom Sections)
- activate
Setup.prg
If setup.prg exists in the App's directory, setup.prg is run.
INIT
- App
- Page1
- Section1 (If Section1 has a 'database' value, the database is opened, running dbc_opendata.prg if it exists in the database's directory. If a database is open and Section1 has a 'table' value, the table is opened, running the table onopen trigger if one exists.)
- Field1
- Field2
- FieldN
- Section2 (Database and/or Section2's table as for Section1 above)
- Field1 ... FieldN
- SectionN (Database and/or SectionN's table as for Section1 above)
- Field1 ... FieldN
- Section1 (If Section1 has a 'database' value, the database is opened, running dbc_opendata.prg if it exists in the database's directory. If a database is open and Section1 has a 'table' value, the table is opened, running the table onopen trigger if one exists.)
- Page2
- Section1 (Database and/or Section1's table as for Page 1, Section1 above)
- Field1 ... FieldN
- Section2 (Database and/or Section2's table as for Page 1, Section1 above)
- Field1 ... FieldN
- SectionN (Database and/or SectionN's table as for Page 1, Section1 above)
- Field1 ... FieldN
- Section1 (Database and/or Section1's table as for Page 1, Section1 above)
- PageN
- Section1 (Database and/or Section1's table as for Page 1, Section1 above)
- Field1 ... FieldN
- Section2 (Database and/or Section2's table as for Page 1, Section1 above)
- Field1 ... FieldN
- SectionN (Database and/or SectionN's table as for Page 1, Section1 above)
- Field1 ... FieldN
- Section1 (Database and/or Section1's table as for Page 1, Section1 above)
- Page1
VISIBLE WHEN
The VISIBLE WHEN event is called for Pages and their Sections (runtime only). Called after the object's init; other objects' init may not yet have been called.
ENABLED WHEN
The ENABLED WHEN event is called for Pages and their Sections (runtime only). Called after the object's init and visiblewhen; other objects' init and visiblewhen may not yet have been called.
LOAD
- App
- Page1
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
- ...
- PageN
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
- Page1
DATACHANGED
The DATACHANGED event is called for data-bound Canvas Sections and Form Sections and their Fields.
PARENTDATACHANGED
The PARENTDATACHANGED event is called for related child Sections.
REFRESH
The REFRESH event is called for Sections.
AFTERREFRESH
The AFTERREFRESH event is called for Sections.
READY
- App
- Page1
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
- ...
- PageN
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
- Page1
RESIZED
The RESIZED event is called for all Canvas and Custom Sections.
ACTIVATE
- Page1 (or Page specified in the App 'Initial Page' attribute or first Page user has permission to read)
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
Web/Mobile App
When a Web/Mobile App is opened, the following database events and table triggers are called:
- DBC_OPENDATA database event
- ONOPEN table trigger
- ONCLOSE table trigger
- DBC_CLOSEDATA database event
And the following event delegates are called:
- init
- load
- datachanged, parentdatachanged, refresh, afterrefresh
- ready
- resized (Canvas and Custom Sections)
- activate
INIT
- App
- Page1
- FormSection1 Field1 ... FieldN
- ...
- Page2
- FormSection1 Field1 ... FieldN
- ...
- ...
- ...
- PageN
- FormSection1 Field1 ... FieldN
- ...
- Page1
LOAD
- App
- Page1
- FormSection1 Field1 ... FieldN
- ...
- Page2
- FormSection1 Field1 ... FieldN
- ...
- ...
- ...
- PageN
- FormSection1 Field1 ... FieldN
- ...
- Page1
READY
- App
- Page1
- FormSection1 Field1 ... FieldN
- ...
- Page2
- FormSection1 Field1 ... FieldN
- ...
- ...
- ...
- PageN
- FormSection1 Field1 ... FieldN
- ...
- Page1
DATACHANGED
The DATACHANGED event is called for data-bound Canvas Sections,Grid Sections and Form Sections.
PARENTDATACHANGED
The PARENTDATACHANGED event is called for related child Sections.
REFRESH
The REFRESH event is called for Sections.
AFTERREFRESH
The AFTERREFRESH event is called for Sections.
RESIZED
The RESIZED event is called for all Canvas and Custom Sections.
ACTIVATE
- Page1 (or Page specified in the App 'Initial Page' attribute or first Page user has permission to read)
Closing an App
Desktop
When a Desktop App is closed, the following database events and table triggers are called:
- DBC_CLOSEDATA database event
- ONCLOSE table trigger
And the following event delegates are called:
UNLOAD and DESTROY
- Page1 UNLOAD
- Section1 UNLOAD
- ...
- SectionN UNLOAD
- Page1 DESTROY
- Section1 DESTROY
- ...
- SectionN DESTROY
- Page2 UNLOAD
- Section1 UNLOAD
- ...
- SectionN UNLOAD
- Page2 DESTROY
- Section1 DESTROY
- ...
- SectionN DESTROY
- ...
- PageN UNLOAD
- Section1 UNLOAD
- ...
- SectionN UNLOAD
- PageN DESTROY
- Section1 DESTROY
- ...
- SectionN DESTROY
- App UNLOAD
- App DESTROY
Web/Mobile App
When a Web/Mobile App is closed, the following database events and table triggers are called:
- None
And the following event delegates are called:
- None
When changing from one page (Page1) to another (Page2), the following event delegates are called:
Desktop
DEACTIVATE
- Page1
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
RESIZED
- Page2
- Canvas or Custom Sections
DATACHANGED
- Page 2
- Data-bound Canvas Sections and Form Sections and their fields
PARENTDATACHANGED
- Page2
- Related child sections
REFRESH
- Page 2
- Section1
- ...
- SectionN
AFTERREFRESH
- Page 2
- Section1
- ...
- SectionN
ACTIVATE
- Page2
- Section1
- Field1 ... FieldN
- ...
- SectionN
- Field1 ... FieldN
- Section1
VISIBLE WHEN and ENABLED WHEN
- Page2 VISIBLE WHEN (runtime only)
- Page2 ENABLED WHEN (runtime only)
- Section1 VISIBLE WHEN (runtime only)
- Section1 ENABLED WHEN (runtime only)
- ...
- SectionN VISIBLE WHEN (runtime desktop only)
- SectionN ENABLED WHEN (runtime desktop only)
Web/Mobile App
DEACTIVATE
- Page1
ACTIVATE
- Page2
DATACHANGED
- Page 2
- Data-bound Canvas Sections, Form Sections and Grid Sections
PARENTDATACHANGED
- Page2
- Related child sections
RESIZED
- Page2
- Canvas or Custom Sections
REFRESH
- Page 2
- Section1
- ...
- SectionN
AFTERREFRESH
- Page 2
- Section1
- ...
- SectionN
Desktop
Using Page actionbar or Section header actionbar
- FormSection DATACHANGED
- FormSection REFRESH and AFTERREFRESH
- Field1 ... FieldN DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
- Page REFRESH and AFTERREFRESH
Web/Mobile App
Using Page actionbar
- FormSection DATACHANGED
- FormSection REFRESH and AFTERREFRESH
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
Desktop
From row to row (cursor or mouse) or using Page navigation buttons in the Grid Section actionbar
- GridSection CLICK
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
Web/Mobile App
From row to row (mouse) or using Page navigation buttons in the Grid Section actionbar
- GridSection CLICK
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
Data Operations
Adding a new record
Desktop
When adding a new record, the following events are called:
BEFORECREATE
- Section
AFTERCREATE
- Section
DATACHANGED
- Field1 ... FieldN DATACHANGED
GOTFOCUS
- Field1
INITFORMDEFAULTS
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Page REFRESH and AFTERREFRESH
Saving the newly added record calls the following database events and table triggers:
- ONBEFOREINSERT table trigger
- DBC_BEFOREINSERT database event
- ONAFTERINSERT table trigger
- DBC_AFTERINSERT database event
And the events as in Updating a record below.
If the 'Undo Change' button in the Page actionbar or the 'Revert' button in the Section actionbar is clicked, the events called are as in Deleting a record below.
Web/Mobile App
When a new record is saved, the following database events and table triggers are called:
- DBC_OPENDATA database event
- ONOPEN table trigger
- DBC_BEFOREINSERT database event
- ONBEFOREINSERT table trigger
- ONAFTERINSERT table trigger
- DBC_AFTERINSERT database event
- ONCLOSE table trigger
- DBC_CLOSEDATA database event
And the events as in Updating a record below.
Updating a record
Desktop
Form Section
INTERACTIVECHANGE
The INTERACTIVECHANGE event is called on each entered keypress for editable fields.
HOTKEY
The HOTKEY event is called on non-entered keypresses for editable fields, e.g. Tab, Backspace.
VALIDATION
If specified, the VALIDATION Attribute expression is checked on exiting a modified field.
VALIDWHEN
Called after the save of a full Section edit, not an inline field edit.
- Page
- Section
BEFOREUPDATE
This and subsequent events are called after the save of a full Section or inline field edit.
- Section
AFTERUPDATE
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section REFRESH and AFTERREFRESH
- Section DATACHANGED
- Field1 ... FieldN DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
Saving the updated record also calls the following database events and table triggers:
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
Canvas Section
MOUSEENTER
The MOUSEENTER event is called on editable fields.
GOTFOCUS
The GOTFOCUS event is called on editable fields.
CLICK
The CLICK event is called on editable fields.
INTERACTIVECHANGE
The INTERACTIVECHANGE event is called on each entered keypress for editable fields.
HOTKEY
The HOTKEY event is called on non-entered keypresses for editable fields, e.g. Tab, Backspace.
MOUSELEAVE
The MOUSELEAVE event is called on editable fields.
VALIDATION
If specified, the VALIDATION Attribute expression is checked for each modified field on exiting the field.
LOSTFOCUS
The LOSTFOCUS event is called on editable fields.
VALIDWHEN
- Page
- Section
BEFOREUPDATE
- Section
AFTERUPDATE
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section REFRESH and AFTERREFRESH
- Field1 ... FieldN DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
Saving the updated record also calls the following database events and table triggers:
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
Grid Section
VALIDATION
If specified, the VALIDATION Attribute expression is checked on exiting a modified cell.
The following events are called after clicking the Grid Section actionbar 'Save' button or moving to another grid row after modifying a Grid Section column.
VALIDWHEN
- Section
BEFOREUPDATE
- Section
AFTERUPDATE
- Section
Changed
- Section
- Page
Saving the updated record also calls the following database events and table triggers:
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
Web/Mobile App
Form Section
GOTFOCUS
The GOTFOCUS event is called on editable fields.
INTERACTIVECHANGE
The INTERACTIVECHANGE event is called on each entered keypress for editable fields.
VALIDATION
If specified, the VALIDATION Attribute expression is checked on exiting a modified field.
CHANGED
The CHANGED event is called on modified fields.
LOSTFOCUS
The LOSTFOCUS event is called on editable fields.
After the save of a full Section or inline field edit:
BEFOREUPDATE
- Section
AFTERUPDATE
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section REFRESH and AFTERREFRESH
- Section DATACHANGED
- Field1 ... FieldN DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
Saving the updated record also calls the following database events and table triggers:
- DBC_OPENDATA database event
- ONOPEN table trigger
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
- ONCLOSE table trigger
- DBC_CLOSEDATA database event
Canvas Section
MOUSEENTER
The MOUSEENTER event is called on editable fields.
GOTFOCUS
The GOTFOCUS event is called on editable fields.
CLICK
The CLICK event is called on editable fields.
INTERACTIVECHANGE
The INTERACTIVECHANGE event is called on each entered keypress for editable fields.
CHANGED
The CHANGED event is called on modified fields.
LOSTFOCUS
The LOSTFOCUS event is called on editable fields.
MOUSELEAVE
The MOUSELEAVE event is called on editable fields.
After save is clicked:
BEFOREUPDATE
- Section
AFTERUPDATE
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section REFRESH and AFTERREFRESH
- Section DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
Saving the updated record also calls the following database events and table triggers:
- DBC_OPENDATA database event
- ONOPEN table trigger
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
- ONCLOSE table trigger
- DBC_CLOSEDATA database event
Grid Section
The following events are called after editing and saving a Grid Section row in the 'Edit Record' dialog.
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section REFRESH and AFTERREFRESH
- Section DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
Saving the updated record also calls the following database events and table triggers:
- DBC_OPENDATA database event
- ONOPEN table trigger
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
- ONCLOSE table trigger
- DBC_CLOSEDATA database event
Deleting a record
Desktop
When record deletion is confirmed, the following events are called:
BEFOREDELETE
- Section
AFTERDELETE
- Section
REFRESH, DATACHANGED and PARENTDATACHANGED
- Section DATACHANGED
- Section REFRESH and AFTERREFRESH
- Field1 ... FieldN DATACHANGED
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED (Canvas/Form Section)
- RelatedSection REFRESH and AFTERREFRESH (Canvas/Form Section)
- Field1 ... FieldN DATACHANGED (Form Section)
And also calls the following database events and table triggers:
- DBC_BEFOREDELETE database event
- ONBEFOREDELETE table trigger
- ONAFTERDELETE table trigger
- DBC_AFTERDELETE database event
Web/Mobile App
When deleting a record, the following events are called:
BEFOREDELETE
- Section
and after record deletion is confirmed:
AFTERDELETE
- Section
REFRESH, AFTERREFRESH, DATACHANGED and PARENTDATACHANGED
- Section DATACHANGED
- Section REFRESH and AFTERREFRESH
- RelatedSection PARENTDATACHANGED
- RelatedSection DATACHANGED
- RelatedSection REFRESH and AFTERREFRESH
And also calls the following database events and table triggers:
- DBC_OPENDATA database event
- ONOPEN table trigger
- DBC_BEFOREUPDATE database event
- ONBEFOREUPDATE table trigger
- ONAFTERUPDATE table trigger
- DBC_AFTERUPDATE database event
- ONCLOSE table trigger
- DBC_CLOSEDATA database event