javax.swing.table

Class DefaultTableCellRenderer

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JLabel

javax.swing.table.DefaultTableCellRenderer

All Implemented Interfaces:

ImageObserver， MenuContainer， Serializable， Accessible， SwingConstants， TableCellRenderer

已知直接子类：

DefaultTableCellRenderer.UIResource

public class DefaultTableCellRenderer
extends JLabel
implements TableCellRenderer, Serializable

绘制标准类（显示）在 JTable单个细胞。

Implementation Note:这类继承JLabel，标准组件类。然而JTable采用了独特的渲染机制的细胞，因此需要一些稍微修改的行为从其细胞器。表的类定义了一个单细胞的渲染器和使用它作为一个为表中的所有细胞，绘制橡皮图章；它呈现的第一个细胞，改变细胞渲染的内容，变化的起源到新的位置，重新绘制它，等等。标准JLabel组件不适用这种方式，我们要避免引发revalidate每次细胞绘制。这将大大降低性能，因为revalidate消息将通过容器的层次结构是否会影响其他部件。为渲染只有父我们同样要避免走层次的绘画操作相关的开销的操作寿命。所以这类重写validate，invalidate，revalidate，repaint，和firePropertyChange方法不行动和重写isOpaque方法仅以提高性能。如果你写你自己的渲染器，请考虑这样的表现在心。

警告：序列化该类的对象与以后的Swing版本不兼容。当前的序列化支持适用于短期贮藏或RMI运行相同Swing版本的应用程序之间。为1.4，为所有JavaBeans™长期存储的支持已被添加到java.beans包。请看XMLEncoder。

另请参见：

JTable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultTableCellRenderer.UIResource DefaultTableCellRenderer UIResource子类实现的。

Nested classes/interfaces inherited from class javax.swing.JLabel

JLabel.AccessibleJLabel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field and Description
protected static Border	noFocusBorder

Fields inherited from class javax.swing.JLabel

labelFor

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

构造方法摘要

构造方法

Constructor and Description
DefaultTableCellRenderer() 创建一个默认的单元格渲染器。

方法摘要

Modifier and Type	Method and Description
void	firePropertyChange(String propertyName, boolean oldValue, boolean newValue) 出于性能原因，重写。
protected void	firePropertyChange(String propertyName, Object oldValue, Object newValue) 出于性能原因，重写。
Component	getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) 返回默认单元格渲染器。
void	invalidate() 出于性能原因，重写。
boolean	isOpaque() 出于性能原因，重写。
void	repaint() 出于性能原因，重写。
void	repaint(long tm, int x, int y, int width, int height) 出于性能原因，重写。
void	repaint(Rectangle r) 出于性能原因，重写。
void	revalidate() 出于性能原因，重写。
void	setBackground(Color c) 覆盖 JComponent.setBackground将选中的背景颜色为指定的颜色。
void	setForeground(Color c) 覆盖 JComponent.setForeground将选中的前景颜色为指定的颜色。
protected void	setValue(Object value) 套细胞被渲染的对象 value String。
void	updateUI() 从 UIManager，外观和感觉[ L和F ]改变通知。
void	validate() 出于性能原因，重写。

Methods inherited from class javax.swing.JLabel

checkHorizontalKey, checkVerticalKey, getAccessibleContext, getDisabledIcon, getDisplayedMnemonic, getDisplayedMnemonicIndex, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getLabelFor, getText, getUI, getUIClassID, getVerticalAlignment, getVerticalTextPosition, imageUpdate, paramString, setDisabledIcon, setDisplayedMnemonic, setDisplayedMnemonic, setDisplayedMnemonicIndex, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabelFor, setText, setUI, setVerticalAlignment, setVerticalTextPosition

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

noFocusBorder

protected static Border noFocusBorder

Constructor Detail

DefaultTableCellRenderer

public DefaultTableCellRenderer()

创建一个默认的单元格渲染器。

方法详细信息

setForeground

public void setForeground(Color c)

覆盖 JComponent.setForeground将选中的前景颜色为指定的颜色。

重写：

setForeground 方法重写，继承类 JComponent

参数

c -的前景颜色设置此值

另请参见：

Component.getForeground()

setBackground

public void setBackground(Color c)

覆盖 JComponent.setBackground将选中的背景颜色为指定的颜色。

重写：

setBackground 方法重写，继承类 JComponent

参数

c -设置背景颜色值

另请参见：

Component.getBackground()， JComponent.setOpaque(boolean)

updateUI

public void updateUI()

从 UIManager，外观和感觉[ L和F ]改变通知。从 UIManager最新版本替换当前的UI对象。

重写：

updateUI 方法重写，继承类 JLabel

另请参见：

JComponent.updateUI()

getTableCellRendererComponent

public Component getTableCellRendererComponent(JTable table,
                                               Object value,
                                               boolean isSelected,
                                               boolean hasFocus,
                                               int row,
                                               int column)

返回默认单元格渲染器。

在打印操作过程中，该方法将被称为isSelected和false hasFocus值防止选择和集中出现在打印输出。做其他定制的基于表是否正在印刷，从JComponent.isPaintingForPrint()检查返回值。

Specified by:

getTableCellRendererComponent 接口 TableCellRenderer

参数

table - JTable

value -分配到细胞在 [row, column]价值

isSelected -如果选中单元格

hasFocus -如果细胞具有焦点

row的单元格的行为

column -细胞呈现列

结果

默认单元格渲染器

另请参见：

JComponent.isPaintingForPrint()

isOpaque

public boolean isOpaque()

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

isOpaque 方法重写，继承类 JComponent

结果

如果此组件完全不透明，则为

另请参见：

JComponent.setOpaque(boolean)

invalidate

public void invalidate()

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

invalidate 方法重写，继承类 Container

从以下版本开始：

一点五

另请参见：

Container.validate()， Container.layout()， LayoutManager2

validate

public void validate()

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

validate 方法重写，继承类 Container

另请参见：

Container.add(java.awt.Component)， Container.invalidate()， Container.isValidateRoot()， JComponent.revalidate()， Container.validateTree()

revalidate

public void revalidate()

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

revalidate 方法重写，继承类 JComponent

另请参见：

Component.invalidate()， Container.validate()， JComponent.isValidateRoot()， RepaintManager.addInvalidComponent(javax.swing.JComponent)

repaint

public void repaint(long tm,
                    int x,
                    int y,
                    int width,
                    int height)

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

repaint 方法重写，继承类 JComponent

参数

tm -不使用此参数

x -脏地区的X值

y -脏区域的Y值

width -脏区宽度

height -脏区高度

另请参见：

JComponent.isPaintingOrigin()， Component.isShowing()， RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)

repaint

public void repaint(Rectangle r)

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

repaint 方法重写，继承类 JComponent

参数

r - Rectangle含有脏区

另请参见：

JComponent.isPaintingOrigin()， Component.isShowing()， RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)

repaint

public void repaint()

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

repaint 方法重写，继承类 Component

从以下版本开始：

一点五

另请参见：

Component.update(Graphics)

firePropertyChange

protected void firePropertyChange(String propertyName,
                                  Object oldValue,
                                  Object newValue)

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

firePropertyChange 方法重写，继承类 Component

参数

propertyName -属性的值发生了改变

oldValue -以前的属性值

newValue -属性的新值

firePropertyChange

public void firePropertyChange(String propertyName,
                               boolean oldValue,
                               boolean newValue)

出于性能原因，重写。看到 Implementation Note更多信息。

重写：

firePropertyChange 方法重写，继承类 JComponent

参数

propertyName -属性的值发生了改变

oldValue -以前的属性值

newValue -属性的新值

setValue

protected void setValue(Object value)

套细胞被渲染的对象 value String。

参数

value -此单元格的字符串值；如果值是 null设置文本值为空字符串

另请参见：

JLabel.setText(java.lang.String)