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javax.swing
クラス JButton

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.AbstractButton
                          |
                          +--javax.swing.JButton
public class JButton
extends AbstractButton
implements javax.accessibility.Accessible

An implementation of a "push" button.

To create a set of mutually exclusive buttons, create a ButtonGroup object and use its add method to include the JButton objects in the group.

See How to Use Buttons in The Java Tutorial for further documentation.

For the keyboard keys used by this component in the standard Look and Feel (L&F) renditions, see the JButton key assignments.

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. A future release of Swing will provide support for long term persistence.

関連項目:
ButtonGroup, 直列化された形式

内部クラスの概要
protected  class JButton.AccessibleJButton
          The class used to obtain the accessible role for this object.
 
クラス javax.swing.AbstractButton から継承した内部クラス
AbstractButton.AccessibleAbstractButton, AbstractButton.ButtonChangeListener
 
クラス javax.swing.JComponent から継承した内部クラス
JComponent.AccessibleJComponent
 
クラス javax.swing.AbstractButton から継承したフィールド
actionListener, BORDER_PAINTED_CHANGED_PROPERTY, changeEvent, changeListener, CONTENT_AREA_FILLED_CHANGED_PROPERTY, DISABLED_ICON_CHANGED_PROPERTY, DISABLED_SELECTED_ICON_CHANGED_PROPERTY, FOCUS_PAINTED_CHANGED_PROPERTY, HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY, HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY, ICON_CHANGED_PROPERTY, itemListener, MARGIN_CHANGED_PROPERTY, MNEMONIC_CHANGED_PROPERTY, model, MODEL_CHANGED_PROPERTY, PRESSED_ICON_CHANGED_PROPERTY, ROLLOVER_ENABLED_CHANGED_PROPERTY, ROLLOVER_ICON_CHANGED_PROPERTY, ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY, SELECTED_ICON_CHANGED_PROPERTY, TEXT_CHANGED_PROPERTY, VERTICAL_ALIGNMENT_CHANGED_PROPERTY, VERTICAL_TEXT_POSITION_CHANGED_PROPERTY
 
クラス javax.swing.JComponent から継承したフィールド
accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
 
クラス java.awt.Component から継承したフィールド
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
 
コンストラクタの概要
JButton()
          Creates a button with no set text or icon.
JButton(Icon icon)
          Creates a button with an icon.
JButton(java.lang.String text)
          Creates a button with text.
JButton(java.lang.String text, Icon icon)
          Creates a button with initial text and an icon.
 
メソッドの概要
 javax.accessibility.AccessibleContext getAccessibleContext()
          Get the AccessibleContext associated with this JComponent
 java.lang.String getUIClassID()
          Returns a string that specifies the name of the L&F class that renders this component.
 boolean isDefaultButton()
          Returns whether or not this button is the default button on the RootPane.
 boolean isDefaultCapable()
          Returns whether or not this button is capable of being the default button on the RootPane.
protected  java.lang.String paramString()
          Returns a string representation of this JButton.
 void setDefaultCapable(boolean defaultCapable)
          Sets whether or not this button is capable of being the default button on the RootPane.
 void updateUI()
          Notification from the UIFactory that the L&F has changed.
 
クラス javax.swing.AbstractButton から継承したメソッド
addActionListener, addChangeListener, addItemListener, checkHorizontalKey, checkVerticalKey, createActionListener, createChangeListener, createItemListener, doClick, doClick, fireActionPerformed, fireItemStateChanged, fireStateChanged, getActionCommand, getDisabledIcon, getDisabledSelectedIcon, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getLabel, getMargin, getMnemonic, getModel, getPressedIcon, getRolloverIcon, getRolloverSelectedIcon, getSelectedIcon, getSelectedObjects, getText, getUI, getVerticalAlignment, getVerticalTextPosition, init, isBorderPainted, isContentAreaFilled, isFocusPainted, isRolloverEnabled, isSelected, paintBorder, removeActionListener, removeChangeListener, removeItemListener, setActionCommand, setBorderPainted, setContentAreaFilled, setDisabledIcon, setDisabledSelectedIcon, setEnabled, setFocusPainted, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setLabel, setMargin, setMnemonic, setMnemonic, setModel, setPressedIcon, setRolloverEnabled, setRolloverIcon, setRolloverSelectedIcon, setSelected, setSelectedIcon, setText, setUI, setVerticalAlignment, setVerticalTextPosition
 
クラス javax.swing.JComponent から継承したメソッド
addAncestorListener, addNotify, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInsets, getInsets, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintChildren, paintComponent, paintImmediately, paintImmediately, processComponentKeyEvent, processFocusEvent, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setFont, setForeground, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVisible, unregisterKeyboardAction, update
 
クラス java.awt.Container から継承したメソッド
add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validate, validateTree
 
クラス java.awt.Component から継承したメソッド
action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hide, imageUpdate, inside, isDisplayable, isEnabled, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus
 
クラス java.lang.Object から継承したメソッド
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

コンストラクタの詳細

JButton

public JButton()
Creates a button with no set text or icon.

JButton

public JButton(Icon icon)
Creates a button with an icon.
パラメータ:
icon - the Icon image to display on the button

JButton

public JButton(java.lang.String text)
Creates a button with text.
パラメータ:
text - the text of the button

JButton

public JButton(java.lang.String text,
               Icon icon)
Creates a button with initial text and an icon.
パラメータ:
text - the text of the button.
icon - the Icon image to display on the button
メソッドの詳細

updateUI

public void updateUI()
Notification from the UIFactory that the L&F has changed.
オーバーライド:
クラス AbstractButton 内の updateUI
関連項目:
JComponent.updateUI()

getUIClassID

public java.lang.String getUIClassID()
Returns a string that specifies the name of the L&F class that renders this component.
戻り値:
"ButtonUI"
オーバーライド:
クラス JComponent 内の getUIClassID
関連項目:
JComponent.getUIClassID(), UIDefaults.getUI(javax.swing.JComponent)

isDefaultButton

public boolean isDefaultButton()
Returns whether or not this button is the default button on the RootPane.
戻り値:
"boolean"
関連項目:
JRootPane.setDefaultButton(javax.swing.JButton)

isDefaultCapable

public boolean isDefaultCapable()
Returns whether or not this button is capable of being the default button on the RootPane.
戻り値:
"boolean"
関連項目:
setDefaultCapable(boolean), isDefaultButton(), JRootPane.setDefaultButton(javax.swing.JButton)

setDefaultCapable

public void setDefaultCapable(boolean defaultCapable)
Sets whether or not this button is capable of being the default button on the RootPane.
戻り値:
"boolean"
関連項目:
isDefaultCapable()

paramString

protected java.lang.String paramString()
Returns a string representation of this JButton. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.

Overriding paramString() to provide information about the specific new aspects of the JFC components.

戻り値:
a string representation of this JButton.
オーバーライド:
クラス AbstractButton 内の paramString

getAccessibleContext

public javax.accessibility.AccessibleContext getAccessibleContext()
Get the AccessibleContext associated with this JComponent
定義:
インタフェース javax.accessibility.Accessible 内の getAccessibleContext
戻り値:
the AccessibleContext of this JComponent
オーバーライド:
クラス JComponent 内の getAccessibleContext