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Oracle Forms Developer – Form Builder Reference, Volume 1

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Pre-Text-Item trigger<br />

Description<br />

Fires during the Enter the Item process, during navigation from an item to a text item.<br />

Definition Level form, block, or item<br />

Legal Commands<br />

SELECT statements, unrestricted built-ins<br />

Enter Query Mode no<br />

Usage Notes<br />

Use a Pre-Text-Item trigger to perform the following types of tasks:<br />

• derive a complex default value, based on other items previously entered into the same record.<br />

• record the current value of the text item for future reference, and store that value in a global variable<br />

or form parameter.<br />

On Failure<br />

Navigation fails and focus remains in the current item.<br />

Fires In<br />

Enter the Item<br />

See Process Flowcharts<br />

Pre-Text-Item trigger restrictions<br />

A Pre-Text-Item trigger fires only when the form is run with a validation unit of the item, as specified by<br />

the Validation Unit form property.<br />

491

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