|
Oracle Fusion Middleware Java API Reference for Oracle Extension SDK 11g Release 2 (11.1.2.3.0) E17493-04 |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
public interface TriggerInvokable
Extension writers should use this interface to handle the case where a declartive rule is not enough to determine whether Invokable.invoke(oracle.ide.Context)
can safely be called in a particular context.
Consider the case where an Invokable is registered as a gallery item. If the extension that registered the item is not initialized, the enabled state of the Invokable is determined by evaluating the declarative rule associated with the item. If the rule is true, the item is enabled, and if the user selects it, Invokable.invoke(oracle.ide.Context)
is called on the object. If the object is a TriggerInvokable, canInvoke(oracle.ide.Context)
is called just before Invokable.invoke(oracle.ide.Context)
to determine whether the item is really invokable, and if not invokable, getInvalidStateMessage(oracle.ide.Context)
is called to give feedback to the user about why the gallery item cannot be created.
Once the extension that owns the gallery item is initialized, the enabled state of the item is determined by first evaluating the rule and then calling canInvoke(oracle.ide.Context)
.
Method Summary | |
---|---|
boolean |
canInvoke(Context context) Called to determine whether this Invokable should be enabled or disabled. |
java.lang.Object |
getInvalidStateMessage(Context context) Returns a message that indicates why the Invokable cannot be invoked in the active context. |
Methods inherited from interface oracle.ide.wizard.Invokable |
---|
invoke |
Method Detail |
---|
boolean canInvoke(Context context)
context
- the Context
in which Invokable.invoke(oracle.ide.Context)
may be called on this objectjava.lang.Object getInvalidStateMessage(Context context)
MessageDialog
.
|
Oracle Fusion Middleware Java API Reference for Oracle Extension SDK 11g Release 2 (11.1.2.3.0) E17493-04 |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |