Class zwt.event.FocusEventManager
Extends
zwt.event.UIEventManager.
A focus event manager is used by a widget to process focus events and dispatch them to the appropriate handlers.
Handlers are methods previously registered on the event manager to handle a specific type of event. A typical handler method has two input parameters: the object that triggered the event and the event. An optional object argument may also be passed to the handler if it was provided when dispatching the event to the event manager (see zwt.event.EventManager#onEvent).
Defined in: FocusEventManager.js.
| Constructor Attributes | Constructor Name and Description |
|---|---|
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zwt.event.FocusEventManager(zwt_ui_Widget_widget)
Construct a focus event manager and attach it to the specified widget.
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| Method Attributes | Method Name and Description |
|---|---|
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addBlurHandler(function_handler)
Add a blur handler.
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addFocusHandler(function_handler)
Add a focus handler.
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removeBlurHandler(function_handler)
Remove a blur handler.
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removeFocusHandler(function_handler)
Remove a focus handler.
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- Methods borrowed from class zwt.event.UIEventManager:
- finalizeEventHandling, registerElement
- Methods borrowed from class zwt.event.EventManager:
- addHandler, addHandlers, onEvent, removeHandler, removeHandlers
Class Detail
zwt.event.FocusEventManager(zwt_ui_Widget_widget)
Construct a focus event manager and attach it to the specified widget.
Author: Jeremy KUHN.
Author: Jeremy KUHN.
- Parameters:
- {zwt.ui.Widget} zwt_ui_Widget_widget
- The widget to monitor
- See:
- zwt.event.FocusEvent
Method Detail
addBlurHandler(function_handler)
Add a blur handler.
- Parameters:
- {Function} function_handler
- The handler to add
addFocusHandler(function_handler)
Add a focus handler.
- Parameters:
- {Function} function_handler
- The handler to add
removeBlurHandler(function_handler)
Remove a blur handler.
- Parameters:
- {Function} function_handler
- The handler to remove
removeFocusHandler(function_handler)
Remove a focus handler.
- Parameters:
- {Function} function_handler
- The handler to remove