Class zwt.event.FocusEvent
Extends
zwt.event.UIEvent.
A focus event object is emitted when a focus event occurs on a widget.
Defined in: FocusEvent.js.
Constructor Attributes | Constructor Name and Description |
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zwt.event.FocusEvent(event, zwt_ui_Widget_widget, int_type, boolean_backward)
Construct a focus event object.
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Field Attributes | Field Name and Description |
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<static> |
zwt.event.FocusEvent.BLUR
Constant used to indicate a blur event
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<static> |
zwt.event.FocusEvent.FOCUS
Constant used to indicate a focus event
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Method Attributes | Method Name and Description |
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Return true if the direction of Focus is backward (ie.
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A FocusEvent always targets a single Widget, therefore it shouldn't be propagated to the ancestors.
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- Methods borrowed from class zwt.event.UIEvent:
- getBrowserEvent, getBrowserEventTarget, getReturn, getWidget, setReturn
- Methods borrowed from class zwt.event.Event:
- getType, setCancelBubble, touch
Class Detail
zwt.event.FocusEvent(event, zwt_ui_Widget_widget, int_type, boolean_backward)
Construct a focus event object.
Author: Jeremy KUHN.
Author: Jeremy KUHN.
- Parameters:
- {Event} event
- The JavaScript event object
- {zwt.ui.Widget} zwt_ui_Widget_widget
- The widget linked to the event
- {Integer} int_type
- The event type
- {Boolean} boolean_backward
- Indicate that the focus direction is backward. This flag is set when keyboard navigation is used
Field Detail
<static>
{Integer}
zwt.event.FocusEvent.BLUR
Constant used to indicate a blur event
<static>
{Integer}
zwt.event.FocusEvent.FOCUS
Constant used to indicate a focus event
Method Detail
{Boolean}
isBackward()
Return true if the direction of Focus is backward (ie. the next widget to focus is actually the previous one in the chain of widgets).
- Returns:
- true if the direction is backward
{Boolean}
isCancelBubble()
A FocusEvent always targets a single Widget, therefore it shouldn't be propagated to the ancestors.
This method always returns true as focus event are not meant to be propagated to ancestors.
- Returns:
- true