Package org.jdesktop.swingx
Class JXComboBox.DelegatingRenderer
java.lang.Object
org.jdesktop.swingx.JXComboBox.DelegatingRenderer
- All Implemented Interfaces:
ListCellRenderer
,UIDependent
,RolloverRenderer
- Enclosing class:
JXComboBox
public class JXComboBox.DelegatingRenderer
extends Object
implements ListCellRenderer, RolloverRenderer, UIDependent
A decorator for the original ListCellRenderer. Needed to hook highlighters
after messaging the delegate.
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionInstantiates a DelegatingRenderer with combo box's default renderer as delegate.DelegatingRenderer
(ListCellRenderer delegate) Instantiates a DelegatingRenderer with the given delegate. -
Method Summary
Modifier and TypeMethodDescriptionvoid
doClick()
Same as AbstractButton.doClick().Returns the delegate.getListCellRendererComponent
(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) boolean
void
setDelegateRenderer
(ListCellRenderer delegate) Sets the delegate.void
updateUI()
Updates all internal visuals after changing a UI-delegate.
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Field Details
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delegateRenderer
the delegate. -
wrapper
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Constructor Details
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DelegatingRenderer
public DelegatingRenderer()Instantiates a DelegatingRenderer with combo box's default renderer as delegate. -
DelegatingRenderer
Instantiates a DelegatingRenderer with the given delegate. If the delegate isnull
, the default is created via the combo box's factory method.- Parameters:
delegate
- the delegate to use, ifnull
the combo box's default is created and used.
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Method Details
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setDelegateRenderer
Sets the delegate. If the delegate isnull
, the default is created via the combo box's factory method.- Parameters:
delegate
- the delegate to use, if null the list's default is created and used.
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getDelegateRenderer
Returns the delegate.- Returns:
- the delegate renderer used by this renderer, guaranteed to not-null.
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updateUI
public void updateUI()Updates all internal visuals after changing a UI-delegate.- Specified by:
updateUI
in interfaceUIDependent
- See Also:
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getListCellRendererComponent
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) Overridden to apply the highlighters, if any, after calling the delegate. The decorators are not applied if the row is invalid.
- Specified by:
getListCellRendererComponent
in interfaceListCellRenderer
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isEnabled
public boolean isEnabled()- Specified by:
isEnabled
in interfaceRolloverRenderer
- Returns:
- true if rollover effects are on and clickable.
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doClick
public void doClick()Same as AbstractButton.doClick(). It's up to client code to prepare the renderer's component before calling this method.- Specified by:
doClick
in interfaceRolloverRenderer
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