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Oracle Fusion Middleware Java API Reference for Oracle Extension SDK Reference 11g Release 1 (11.1.1.7.2) E13403-10 |
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java.lang.Object
oracle.ide.util.WeightedController
public class WeightedController
A WeightedController allows to chain controllers using a weight to control the order. A weighted controller is typically set on an action and exposed by the creator of the action.
Field Summary | |
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static Controller |
NOOP_CONTROLLER A generic controller that disables the action and does nothing to handle it. |
static Controller |
USE_ACTIVE_VIEW_CONTROLLER A generic controller that redirects to the active view. |
Fields inherited from interface oracle.ide.controller.Controller |
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UPDATE_FROM_ACTION_PERFORMED, UPDATE_FROM_ACTIVE_VIEW_CHANGED, UPDATE_FROM_UNDO, UPDATE_FROM_USER_EXTENSION, UPDATE_FROM_VIEW_SELECTION_CHANGED |
Constructor Summary | |
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WeightedController() |
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WeightedController(Controller firstController, Controller lastController) |
Method Summary | |
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void |
addController(Controller controller, double weight) Adds a controller to the list. |
boolean |
handleEvent(IdeAction action, Context context) This method is called when a user interaction with a View triggers the execution of a command. |
void |
removeController(Controller controller) |
boolean |
update(IdeAction action, Context context) This method updates the enabled status of the specified action within the specified context. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final Controller USE_ACTIVE_VIEW_CONTROLLER
public static final Controller NOOP_CONTROLLER
Constructor Detail |
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public WeightedController()
public WeightedController(Controller firstController, Controller lastController)
firstController
- This is guaranteed to be the first controller. Can be null.lastController
- This is guaranteed to be the last controller. Can be null.Method Detail |
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public void addController(Controller controller, double weight)
weight
- Small value means higher priority: The controllers with the lower values are invoked before the others.public void removeController(Controller controller)
public boolean update(IdeAction action, Context context)
Controller
update
in interface Controller
action
- action whose command is to be executed.context
- the current contextpublic boolean handleEvent(IdeAction action, Context context)
Controller
View
triggers the execution of a command.handleEvent
in interface Controller
action
- action whose command is to be executed.
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Oracle Fusion Middleware Java API Reference for Oracle Extension SDK Reference 11g Release 1 (11.1.1.7.2) E13403-10 |
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