Module java.desktop

Package javax.swing.tree

Class VariableHeightLayoutCache

java.lang.Object

javax.swing.tree.AbstractLayoutCache

javax.swing.tree.VariableHeightLayoutCache

All Implemented Interfaces:

RowMapper

public class VariableHeightLayoutCache
extends AbstractLayoutCache

NOTE: This will become more open in a future release.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Nested Class Summary

Nested classes/interfaces declared in class javax.swing.tree.AbstractLayoutCache

AbstractLayoutCache.NodeDimensions

Field Summary

Fields declared in class javax.swing.tree.AbstractLayoutCache

nodeDimensions, rootVisible, rowHeight, treeModel, treeSelectionModel

Constructor Summary

Constructors

Constructor	Description
VariableHeightLayoutCache()	Constructs a VariableHeightLayoutCache.

Method Summary

Modifier and Type

Method

Description

Rectangle

getBounds(TreePath path, Rectangle placeIn)

Returns the Rectangle enclosing the label portion into which the item identified by path will be drawn.

boolean

getExpandedState(TreePath path)

Returns true if the path is expanded, and visible.

TreePath

getPathClosestTo(int x, int y)

Returns the path to the node that is closest to x,y.

TreePath

getPathForRow(int row)

Returns the path for row.

int

getPreferredHeight()

Returns the preferred height.

int

getPreferredWidth(Rectangle bounds)

Returns the preferred width and height for the region in visibleRegion.

int

getRowCount()

Returns the number of visible rows.

int

getRowForPath(TreePath path)

Returns the row where the last item identified in path is visible.

int

getVisibleChildCount(TreePath path)

Returns the number of visible children for path.

Enumeration<TreePath>

getVisiblePathsFrom(TreePath path)

Returns an Enumerator that increments over the visible paths starting at the passed in location.

void

invalidatePathBounds(TreePath path)

Instructs the LayoutCache that the bounds for path are invalid, and need to be updated.

void

invalidateSizes()

Informs the TreeState that it needs to recalculate all the sizes it is referencing.

boolean

isExpanded(TreePath path)

Returns true if the value identified by path is currently expanded.

void

setExpandedState(TreePath path, boolean isExpanded)

Marks the path path expanded state to isExpanded.

void

setModel(TreeModel newModel)

Sets the TreeModel that will provide the data.

void

setNodeDimensions(AbstractLayoutCache.NodeDimensions nd)

Sets the renderer that is responsible for drawing nodes in the tree.

void

setRootVisible(boolean rootVisible)

Determines whether or not the root node from the TreeModel is visible.

void