swing里而有工具条这个类吗?

JToolBar好像不怎么常用吧，书上都没找到该类的用法

awt 里才没有，swing里就有了，就是panel上面加button嘛，只不过被包装了，比较方便

不止是panel上加button，什么都能放

Overview  Package   Class  Use  Tree  Deprecated  Index  Help
JavaTM 2 Platform
Std. Ed. v1.3
PREV CLASS   NEXT CLASS FRAMES    NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD --------------------------------------------------------------------------------javax.swing
Class JToolBar
java.lang.Object
  |
  +-java.awt.Component
        |
        +-java.awt.Container
              |
              +-javax.swing.JComponent
                    |
                    +-javax.swing.JToolBarAll Implemented Interfaces:
Accessible, ImageObserver, MenuContainer, Serializable, SwingConstants --------------------------------------------------------------------------------public class JToolBar
extends JComponent
implements SwingConstants, Accessible
JToolBar provides a component that is useful for displaying commonly used Actions or controls. For examples and information on using tool bars see How to Use Tool Bars, a section in The Java Tutorial. A tool bar can be dragged out into a separate window by the user (unless the floatable property is set to false). In order for drag-out to work correctly, it is recommended that you add JToolBar instances to one of the four 'sides' of a container whose layout manager is a BorderLayout, and do not add children to any of the other four 'sides'. For the keyboard keys used by this component in the standard Look and Feel (L&F) renditions, see the JToolBar 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.
See Also:
Action, Serialized Form--------------------------------------------------------------------------------Inner Class Summary
protected  class JToolBar.AccessibleJToolBar
          This class implements accessibility support for the JToolBar class.
static class JToolBar.Separator
          A toolbar-specific separator.
  Inner classes inherited from class javax.swing.JComponent
JComponent.AccessibleJComponent
  Inner classes inherited from class java.awt.Container
Container.AccessibleAWTContainer
  Inner classes inherited from class java.awt.Component
Component.AccessibleAWTComponent
  Fields inherited from class javax.swing.JComponent
accessibleContext, 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
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
  Fields inherited from interface javax.swing.SwingConstants
BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NORTH, NORTH_EAST, NORTH_WEST, 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
  Constructor Summary
JToolBar()
          Creates a new toolbar; orientation defaults to HORIZONTAL.
JToolBar(int orientation)
          Creates a new toolbar with the specified orientation.
JToolBar(String name)
          Creates a new toolbar with the specified name.
JToolBar(String name, int orientation)
          Creates a new toolbar with a specified name and orientation.
  Method Summary
JButton add(Action a)
          Adds a new JButton which dispatches the action.
protected  void addImpl(Component comp, Object constraints, int index)
          If a JButton is being added, it is initially set to be disabled.
void addSeparator()
          Appends a toolbar separator of default size to the end of the toolbar.
void addSeparator(Dimension size)
          Appends a toolbar separator of a specified size to the end of the toolbar.
protected  PropertyChangeListener createActionChangeListener(JButton b)
          Returns a properly configured PropertyChangeListener which updates the control as changes to the Action occur, or null if the default property change listener for the control is desired.
protected  JButton createActionComponent(Action a)
          Factory method which creates the JButton for Actions added to the JToolBar.
AccessibleContext getAccessibleContext()
          Gets the AccessibleContext associated with this JToolBar.
Component getComponentAtIndex(int i)
          Returns the component at the specified index.
int getComponentIndex(Component c)
          Returns the index of the specified component.
Insets getMargin()
          Returns the margin between the toolbar's border and its buttons.
int getOrientation()
          Returns the current orientation of the toolbar.
ToolBarUI getUI()
          Returns the toolbar's current UI.
String getUIClassID()
          Returns the name of the L&F class that renders this component.
boolean isBorderPainted()
          Checks whether the border should be painted.
boolean isFloatable()
          Returns true if the JToolbar can be dragged out by the user.
protected  void paintBorder(Graphics g)
          Paint the toolbar's border if BorderPainted property is true.
protected  String paramString()
          Returns a string representation of this JToolBar.
void setBorderPainted(boolean b)
          Sets whether the border should be painted.
void setFloatable(boolean b)
          Sets whether the toolbar can be made to float.
void setMargin(Insets m)
          Sets the margin between the toolbar's border and its buttons.
void setOrientation(int o)
          Sets the orientation of the toolbar.
void setUI(ToolBarUI ui)
          Sets the L&F object that renders this component.
void updateUI()
          Notification from the UIFactory that the L&F has changed.
  Methods inherited from class javax.swing.JComponent
addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
  Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validate, validateTree
  Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, 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, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus
  Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  Constructor Detail
JToolBar
public JToolBar()
Creates a new toolbar; orientation defaults to HORIZONTAL.--------------------------------------------------------------------------------JToolBar
public JToolBar(int orientation)
Creates a new toolbar with the specified orientation. The orientation must be either HORIZONTAL or VERTICAL.
Parameters:
orientation - the orientation desired--------------------------------------------------------------------------------JToolBar
public JToolBar(String name)
Creates a new toolbar with the specified name. The name is used as the title of the undocked toolbar. The default orientation is HORIZONTAL.
Parameters:
name - the name of the toolbar
Since:
1.3 --------------------------------------------------------------------------------JToolBar
public JToolBar(String name,
                int orientation)
Creates a new toolbar with a specified name and orientation. All other constructors call this constructor. If orientation is an invalid value, an exception will be thrown.
Parameters:
name - the name of the toolbar
orientation - the initial orientation -- it must be either HORIZONTAL or VERTICAL
Throws:
IllegalArgumentException - if orientation is neither HORIZONTAL nor VERTICAL
Since:
1.3
Method Detail getUI
public ToolBarUI getUI()
Returns the toolbar's current UI.
See Also:
setUI(javax.swing.plaf.ToolBarUI)--------------------------------------------------------------------------------setUI
public void setUI(ToolBarUI ui)
Sets the L&F object that renders this component.
Parameters:
ui - the ToolBarUI L&F object
See Also:
UIDefaults.getUI(javax.swing.JComponent)--------------------------------------------------------------------------------updateUI
public void updateUI()
Notification from the UIFactory that the L&F has changed. Called to replace the UI with the latest version from the UIFactory.
Overrides:
updateUI in class JComponent
See Also:
JComponent.updateUI()--------------------------------------------------------------------------------getUIClassID
public String getUIClassID()
Returns the name of the L&F class that renders this component.
Overrides:
getUIClassID in class JComponent
Returns:
the string "ToolBarUI"
See Also:
JComponent.getUIClassID(), UIDefaults.getUI(javax.swing.JComponent)--------------------------------------------------------------------------------getComponentIndex
public int getComponentIndex(Component c)
Returns the index of the specified component. (Note: Separators occupy index positions.)
Parameters:
c - the Component to find
Returns:
an integer indicating the component's position, where 0 is first--------------------------------------------------------------------------------getComponentAtIndex
public Component getComponentAtIndex(int i)
Returns the component at the specified index.
Parameters:
i - the component's position, where 0 is first
Returns:
the Component at that position, or null for an invalid index--------------------------------------------------------------------------------setMargin
public void setMargin(Insets m)
Sets the margin between the toolbar's border and its buttons. Setting to null causes the toolbar to use the default margins. The toolbar's default Border object uses this value to create the proper margin. However, if a non-default border is set on the toolbar, it is that Border object's responsibility to create the appropriate margin space (otherwise this property will effectively be ignored).
Parameters:
m - an Insets object that defines the space between the border and the buttons
See Also:
Insets--------------------------------------------------------------------------------getMargin
public Insets getMargin()
Returns the margin between the toolbar's border and its buttons.
Returns:
an Insets object containing the margin values
See Also:
Insets--------------------------------------------------------------------------------isBorderPainted
public boolean isBorderPainted()
Checks whether the border should be painted.
Returns:
true if the border should be painted, else false
See Also:
setBorderPainted(boolean)--------------------------------------------------------------------------------setBorderPainted
public void setBorderPainted(boolean b)
Sets whether the border should be painted.
Parameters:
b - if true, the border is painted
See Also:
isBorderPainted()--------------------------------------------------------------------------------paintBorder
protected void paintBorder(Graphics g)
Paint the toolbar's border if BorderPainted property is true.
Overrides:
paintBorder in class JComponent
Parameters:
g - the Graphics context in which the painting is done
See Also:
JComponent.paint(java.awt.Graphics), JComponent.setBorder(javax.swing.border.Border)--------------------------------------------------------------------------------isFloatable
public boolean isFloatable()
Returns true if the JToolbar can be dragged out by the user.
Returns:
true if the JToolbar can be dragged out by the user, false otherwise--------------------------------------------------------------------------------setFloatable
public void setFloatable(boolean b)
Sets whether the toolbar can be made to float.
Parameters:
b - if true, the toolbar can be dragged out; false otherwise
See Also:
isFloatable()--------------------------------------------------------------------------------getOrientation
public int getOrientation()
Returns the current orientation of the toolbar. The value is either HORIZONTAL or VERTICAL.
Returns:
an integer representing the current orientation -- either HORIZONTAL or VERTICAL
See Also:
setOrientation(int)--------------------------------------------------------------------------------setOrientation
public void setOrientation(int o)
Sets the orientation of the toolbar. The orientation must have either the value HORIZONTAL or VERTICAL. If orientation is an invalid value, an exception will be thrown.
Parameters:
o - the new orientation -- either HORIZONTAL or VERTICAL
Throws:
IllegalArgumentException - if orientation is neither HORIZONTAL nor VERTICAL
See Also:
getOrientation()--------------------------------------------------------------------------------addSeparator
public void addSeparator()
Appends a toolbar separator of default size to the end of the toolbar. The default size is determined by the current look and feel.--------------------------------------------------------------------------------addSeparator
public void addSeparator(Dimension size)
Appends a toolbar separator of a specified size to the end of the toolbar.
Parameters:
size - the Dimension of the separator--------------------------------------------------------------------------------add
public JButton add(Action a)
Adds a new JButton which dispatches the action.
As of 1.3, this is no longer the preferred method for adding Actions to a container. Instead it is recommended to configure a control with an action using using setAction, and then add that control directly to the Container.Parameters:
a - the Action object to add as a new menu item
Returns:
the new button which dispatches the action--------------------------------------------------------------------------------createActionComponent
protected JButton createActionComponent(Action a)
Factory method which creates the JButton for Actions added to the JToolBar. The default name is empty if a null action is passed.
As of 1.3, this is no longer the preferred method for adding Actions to a Container. Instead it is recommended to configure a control with an action using setAction, and then add that control directly to the Container.Parameters:
a - the Action for the button to be added
Returns:
the newly created button
See Also:
Action--------------------------------------------------------------------------------createActionChangeListener
protected PropertyChangeListener createActionChangeListener(JButton b)
Returns a properly configured PropertyChangeListener which updates the control as changes to the Action occur, or null if the default property change listener for the control is desired.
As of 1.3, this is no longer the preferred method for adding Actions to a Container. Instead it is recommended to configure a control with an action using setAction, and then add that control directly to the Container.Returns:
null--------------------------------------------------------------------------------addImpl
protected void addImpl(Component comp,
                       Object constraints,
                       int index)
If a JButton is being added, it is initially set to be disabled.
Overrides:
addImpl in class Container
Parameters:
comp - the component to be enhanced
constraints - the constraints to be enforced on the component
index - the index of the component--------------------------------------------------------------------------------paramString
protected String paramString()
Returns a string representation of this JToolBar. 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.
Overrides:
paramString in class JComponent
Returns:
a string representation of this JToolBar.--------------------------------------------------------------------------------getAccessibleContext
public AccessibleContext getAccessibleContext()
Gets the AccessibleContext associated with this JToolBar. For tool bars, the AccessibleContext takes the form of an AccessibleJToolBar. A new AccessibleJToolBar instance is created if necessary.
Specified by:
getAccessibleContext in interface Accessible
Overrides:
getAccessibleContext in class JComponent
Returns:
an AccessibleJToolBar that serves as the AccessibleContext of this JToolBar--------------------------------------------------------------------------------
Overview  Package   Class  Use  Tree  Deprecated  Index  Help
JavaTM 2 Platform
Std. Ed. v1.3
PREV CLASS   NEXT CLASS FRAMES    NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD --------------------------------------------------------------------------------
Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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java document 里面的,东西好多,挺好的

调试易

swing里而有工具条这个类吗?

解决方案 »