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Class AbstractLayoutCache.NodeDimensions

java.lang.Object

javax.swing.tree.AbstractLayoutCache.NodeDimensions

Direct Known Subclasses:: BasicTreeUI.NodeDimensionsHandler

Enclosing class:: AbstractLayoutCache

public abstract static class AbstractLayoutCache.NodeDimensions extends Object

Used by AbstractLayoutCache to determine the size and x origin of a particular node.

Constructor Summary

NodeDimensions()

Modifier	Constructor	Description
`protected`	Constructor for subclasses to call.

Method Summary

Modifier and Type	Method	Description
`abstract Rectangle`	`getNodeDimensions(Object value, int row, int depth, boolean expanded, Rectangle bounds)`	Returns, by reference in bounds, the size and x origin to place value at.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NodeDimensions

protected NodeDimensions()

Constructor for subclasses to call.

Method Details

getNodeDimensions

public abstract Rectangle getNodeDimensions(Object value, int row, int depth, boolean expanded, Rectangle bounds)

Returns, by reference in bounds, the size and x origin to place value at. The calling method is responsible for determining the Y location. If bounds is null, a newly created Rectangle should be returned, otherwise the value should be placed in bounds and returned.

Parameters:: value - the value to be represented; row - row being queried; depth - the depth of the row; expanded - true if row is expanded, false otherwise; bounds - a Rectangle containing the size needed to represent value
Returns:: a Rectangle containing the node dimensions, or null if node has no dimension

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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/tree/AbstractLayoutCache.NodeDimensions.html