Package org.jdesktop.swingx
Class JXTree.DelegatingRenderer
java.lang.Object
org.jdesktop.swingx.JXTree.DelegatingRenderer
- All Implemented Interfaces:
TreeCellRenderer
,RolloverRenderer
- Enclosing class:
JXTree
A decorator for the original TreeCellRenderer. Needed to hook highlighters
after messaging the delegate.
PENDING JW: formally implement UIDependent? PENDING JW: missing updateUI anyway (got lost when cinvalid input: '&p' from JXList ;-) PENDING JW: missing override of updateUI in xtree ...
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionInstantiates a DelegatingRenderer with tree's default renderer as delegate.DelegatingRenderer
(TreeCellRenderer delegate) Instantiates a DelegatingRenderer with the given delegate. -
Method Summary
Modifier and TypeMethodDescriptionvoid
doClick()
Same as AbstractButton.doClick().Returns the delegate.getTreeCellRendererComponent
(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) private void
initIcons
(DefaultTreeCellRenderer renderer) initially sets the icons to the defaults as given by a DefaultTreeCellRenderer.boolean
void
setClosedIcon
(Icon closedIcon) void
setDelegateRenderer
(TreeCellRenderer delegate) Sets the delegate.void
setLeafIcon
(Icon leafIcon) void
setOpenIcon
(Icon openIcon) private void
tries to set the renderers icons.
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Field Details
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closedIcon
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openIcon
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leafIcon
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delegate
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Constructor Details
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DelegatingRenderer
public DelegatingRenderer()Instantiates a DelegatingRenderer with tree's default renderer as delegate. -
DelegatingRenderer
Instantiates a DelegatingRenderer with the given delegate. If the delegate is null, the default is created via the list's factory method.- Parameters:
delegate
- the delegate to use, if null the tree's default is created and used.
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Method Details
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initIcons
initially sets the icons to the defaults as given by a DefaultTreeCellRenderer.- Parameters:
renderer
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setDelegateRenderer
Sets the delegate. If the delegate is null, the default is created via the list's factory method. Updates the folder/leaf icons. THINK: how to update? always override with this.icons, only if renderer's icons are null, update this icons if they are not, update all if only one is != null.... ??- Parameters:
delegate
- the delegate to use, if null the list's default is created and used.
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updateIcons
private void updateIcons()tries to set the renderers icons. Can succeed only if the delegate is a DefaultTreeCellRenderer. THINK: how to update? always override with this.icons, only if renderer's icons are null, update this icons if they are not, update all if only one is != null.... ?? -
setClosedIcon
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setOpenIcon
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setLeafIcon
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getDelegateRenderer
Returns the delegate.- Returns:
- the delegate renderer used by this renderer, guaranteed to not-null.
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getTreeCellRendererComponent
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) Overridden to apply the highlighters, if any, after calling the delegate. The decorators are not applied if the row is invalid.
- Specified by:
getTreeCellRendererComponent
in interfaceTreeCellRenderer
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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()Description copied from interface:RolloverRenderer
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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