This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
javax.swing.tree
interface TreeCellRenderer
- All Known Implementing Classes:
- DefaultTreeCellRenderer
public interface TreeCellRenderer
Defines the requirements for an object that displays a tree node.
See How to Use Trees
in The Java Tutorial
for an example of implementing a tree cell renderer
that displays custom icons.
Method Summary |
Component |
Sets the value of the current tree cell to value .
|
getTreeCellRendererComponent
public Component getTreeCellRendererComponent(JTree tree,
Object value,
boolean selected,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus)
-
Sets the value of the current tree cell to
value
.
If selected
is true, the cell will be drawn as if
selected. If expanded
is true the node is currently
expanded and if leaf
is true the node represents a
leaf and if hasFocus
is true the node currently has
focus. tree
is the JTree
the receiver is being
configured for. Returns the Component
that the renderer
uses to draw the value.
The TreeCellRenderer
is also responsible for rendering the
the cell representing the tree's current DnD drop location if
it has one. If this renderer cares about rendering
the DnD drop location, it should query the tree directly to
see if the given row represents the drop location:
JTree.DropLocation dropLocation = tree.getDropLocation();
if (dropLocation != null
&& dropLocation.getChildIndex() == -1
&& tree.getRowForPath(dropLocation.getPath()) == row) {
// this row represents the current drop location
// so render it specially, perhaps with a different color
}
- Parameters:
tree
value
selected
expanded
leaf
row
hasFocus
- Returns:
- the
Component
that the renderer uses to draw the value
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
This page displays the
Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.