javax.swing.plaf.basic

Class BasicTreeUI.NodeDimensionsHandler

java.lang.Object

javax.swing.tree.AbstractLayoutCache.NodeDimensions

javax.swing.plaf.basic.BasicTreeUI.NodeDimensionsHandler

Enclosing class:

BasicTreeUI

public class BasicTreeUI.NodeDimensionsHandler
extends AbstractLayoutCache.NodeDimensions

类负责获取节点的大小，方法是给basictreeui方法。X位置不包括插图，这是处理getpathbounds。

构造方法摘要

构造方法

Constructor and Description
NodeDimensionsHandler()

方法摘要

Modifier and Type	Method and Description
Rectangle	getNodeDimensions(Object value, int row, int depth, boolean expanded, Rectangle size) 负责获取特定节点的大小。
protected int	getRowX(int row, int depth)

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeDimensionsHandler

public NodeDimensionsHandler()

方法详细信息

getNodeDimensions

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

负责获取特定节点的大小。

Specified by:

getNodeDimensions 方法重写，继承类 AbstractLayoutCache.NodeDimensions

参数

value - value来表示

row排正在查询

depth -行的深度

expanded -如果行扩大，否则为假

size - Rectangle含有需要 value大小

结果

一个 Rectangle包含节点的尺寸，或 null如果节点没有尺寸

getRowX

protected int getRowX(int row,
                      int depth)

结果

对给定行缩进量。