Class BasicTreeUI.TreeHomeAction
java.lang.Object
javax.swing.AbstractAction
javax.swing.plaf.basic.BasicTreeUI.TreeHomeAction
- All Implemented Interfaces:
ActionListener, Serializable, Cloneable, EventListener, Action
- Enclosing class:
BasicTreeUI
TreeHomeAction is used to handle end/home actions.
Scrolls either the first or last cell to be visible based on
direction.
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Field Summary
FieldsFields inherited from class AbstractAction
changeSupport, enabledFields inherited from interface Action
ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON -
Constructor Summary
ConstructorsConstructorDescriptionTreeHomeAction(int direction, String name) Constructs a new instance ofTreeHomeAction. -
Method Summary
Modifier and TypeMethodDescriptionvoidInvoked when an action occurs.booleanReturns true if the action is enabled.Methods inherited from class AbstractAction
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener, setEnabled
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Field Details
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direction
protected int directionThe direction.
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Constructor Details
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TreeHomeAction
Constructs a new instance ofTreeHomeAction.- Parameters:
direction- the directionname- the name of action
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Method Details
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actionPerformed
Description copied from interface:ActionListenerInvoked when an action occurs.- Parameters:
e- the event to be processed
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isEnabled
public boolean isEnabled()Description copied from class:AbstractActionReturns true if the action is enabled.- Specified by:
isEnabledin interfaceAction- Overrides:
isEnabledin classAbstractAction- Returns:
- true if the action is enabled, false otherwise
- See Also:
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