JInternalFrame (Java 2 Platform SE v1.4.2)

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Java^TM 2 Platform
Std. Ed. v1.4.2

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javax.swing
Class JInternalFrame

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JInternalFrame

All Implemented Interfaces:: Accessible, ImageObserver, MenuContainer, RootPaneContainer, Serializable, WindowConstants

public class JInternalFrame
extends JComponent
implements Accessible, WindowConstants, RootPaneContainer

A lightweight object that provides many of the features of a native frame, including dragging, closing, becoming an icon, resizing, title display, and support for a menu bar. For task-oriented documentation and examples of using internal frames, see How to Use Internal Frames, a section in The Java Tutorial.

Generally, you add JInternalFrames to a JDesktopPane. The UI delegates the look-and-feel-specific actions to the DesktopManager object maintained by the JDesktopPane.

The JInternalFrame content pane is where you add child components. So, to create a JInternalFrame that has a number of buttons arranged with the content pane's default BorderLayout object, you might do something like this:

    JComponent c = (JComponent) internalFrame.getContentPane();
    c.add(new JButton(), BorderLayout.NORTH);
    c.add(new JButton(), BorderLayout.CENTER);

The content pane is actually managed by an instance of JRootPane, which also manages a layout pane, glass pane, and optional menu bar for the internal frame. Please see the JRootPane documentation for a complete description of these components.

For the keyboard keys used by this component in the standard look and feel renditions, see the JInternalFrame 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. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder.

See Also:: InternalFrameEvent, JDesktopPane, DesktopManager, JInternalFrame.JDesktopIcon, JRootPane

Nested Class Summary
`protected class`	`JInternalFrame.AccessibleJInternalFrame` This class implements accessibility support for the `JInternalFrame` class.
`static class`	`JInternalFrame.JDesktopIcon` This component represents an iconified version of a `JInternalFrame`.

Nested classes inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary
`protected boolean`	`closable` The frame can be closed.
`static String`	`CONTENT_PANE_PROPERTY` Bound property name.
`protected JInternalFrame.JDesktopIcon`	`desktopIcon` The icon that is displayed when this internal frame is iconified.
`static String`	`FRAME_ICON_PROPERTY` Bound property name.
`protected Icon`	`frameIcon` The icon shown in the top-left corner of this internal frame.
`static String`	`GLASS_PANE_PROPERTY` Bound property name.
`protected boolean`	`iconable` The frame can "iconified" (shrunk down and displayed as an icon-image).
`static String`	`IS_CLOSED_PROPERTY` Constrained property name indicating that the internal frame is closed.
`static String`	`IS_ICON_PROPERTY` Constrained property name indicating that the internal frame is iconified.
`static String`	`IS_MAXIMUM_PROPERTY` Constrained property name indicating that the internal frame is maximized.
`static String`	`IS_SELECTED_PROPERTY` Constrained property name indicated that this frame has selected status.
`protected boolean`	`isClosed` The frame has been closed.
`protected boolean`	`isIcon` The frame has been iconified.
`protected boolean`	`isMaximum` The frame has been expanded to its maximum size.
`protected boolean`	`isSelected` The frame is currently selected.
`static String`	`LAYERED_PANE_PROPERTY` Bound property name.
`protected boolean`	`maximizable` The frame can be expanded to the size of the desktop pane.
`static String`	`MENU_BAR_PROPERTY` Bound property name.
`protected boolean`	`resizable` The frame's size can be changed.
`static String`	`ROOT_PANE_PROPERTY` Bound property name.
`protected JRootPane`	`rootPane` The `JRootPane` instance that manages the content pane and optional menu bar for this internal frame, as well as the glass pane.
`protected boolean`	`rootPaneCheckingEnabled` If `true` then calls to `add` and `setLayout` cause an exception to be thrown.
`protected String`	`title` The title displayed in this internal frame's title bar.
`static String`	`TITLE_PROPERTY` Bound property name.

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.WindowConstants

DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, EXIT_ON_CLOSE, HIDE_ON_CLOSE

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary
`JInternalFrame()` Creates a non-resizable, non-closable, non-maximizable, non-iconifiable `JInternalFrame` with no title.
`JInternalFrame(String title)` Creates a non-resizable, non-closable, non-maximizable, non-iconifiable `JInternalFrame` with the specified title.
`JInternalFrame(String title, boolean resizable)` Creates a non-closable, non-maximizable, non-iconifiable `JInternalFrame` with the specified title and resizability.
`JInternalFrame(String title, boolean resizable, boolean closable)` Creates a non-maximizable, non-iconifiable `JInternalFrame` with the specified title, resizability, and closability.
`JInternalFrame(String title, boolean resizable, boolean closable, boolean maximizable)` Creates a non-iconifiable `JInternalFrame` with the specified title, resizability, closability, and maximizability.
`JInternalFrame(String title, boolean resizable, boolean closable, boolean maximizable, boolean iconifiable)` Creates a `JInternalFrame` with the specified title, resizability, closability, maximizability, and iconifiability.

Method Summary
`protected void`	`addImpl(Component comp, Object constraints, int index)` Ensures that, by default, children cannot be added directly to this component.
`void`	`addInternalFrameListener(InternalFrameListener l)` Adds the specified listener to receive internal frame events from this internal frame.
`protected JRootPane`	`createRootPane()` Called by the constructor to set up the `JRootPane`.
`void`	`dispose()` Makes this internal frame invisible, unselected, and closed.
`void`	`doDefaultCloseAction()` Fires an `INTERNAL_FRAME_CLOSING` event and then performs the action specified by the internal frame's default close operation.
`protected void`	`fireInternalFrameEvent(int id)` Fires an internal frame event.
`AccessibleContext`	`getAccessibleContext()` Gets the `AccessibleContext` associated with this `JInternalFrame`.
`Container`	`getContentPane()` Returns the content pane for this internal frame.
`int`	`getDefaultCloseOperation()` Returns the default operation that occurs when the user initiates a "close" on this internal frame.
`JInternalFrame.JDesktopIcon`	`getDesktopIcon()` Returns the `JDesktopIcon` used when this `JInternalFrame` is iconified.
`JDesktopPane`	`getDesktopPane()` Convenience method that searches the ancestor hierarchy for a `JDesktop` instance.
`Container`	`getFocusCycleRootAncestor()` Always returns `null` because `JInternalFrame`s must always be roots of a focus traversal cycle.
`Component`	`getFocusOwner()` If this `JInternalFrame` is active, returns the child that has focus.
`Icon`	`getFrameIcon()` Returns the image displayed in the title bar of this internal frame (usually in the top-left corner).
`Component`	`getGlassPane()` Returns the glass pane for this internal frame.
`InternalFrameListener[]`	`getInternalFrameListeners()` Returns an array of all the `InternalFrameListener`s added to this `JInternalFrame` with `addInternalFrameListener`.
`JMenuBar`	`getJMenuBar()` Returns the current `JMenuBar` for this `JInternalFrame`, or `null` if no menu bar has been set.
`int`	`getLayer()` Convenience method for getting the layer attribute of this component.
`JLayeredPane`	`getLayeredPane()` Returns the layered pane for this internal frame.
`JMenuBar`	`getMenuBar()` Deprecated. As of Swing version 1.0.3, replaced by `getJMenuBar()`.
`Component`	`getMostRecentFocusOwner()` Returns the child component of this `JInternalFrame` that will receive the focus when this `JInternalFrame` is selected.
`Rectangle`	`getNormalBounds()` If the `JInternalFrame` is not in maximized state, returns `getBounds()`; otherwise, returns the bounds that the `JInternalFrame` would be restored to.
`JRootPane`	`getRootPane()` Returns the `rootPane` object for this internal frame.
`String`	`getTitle()` Returns the title of the `JInternalFrame`.
`InternalFrameUI`	`getUI()` Returns the look-and-feel object that renders this component.
`String`	`getUIClassID()` Returns the name of the look-and-feel class that renders this component.
`String`	`getWarningString()` Gets the warning string that is displayed with this internal frame.
`void`	`hide()`
`boolean`	`isClosable()` Returns whether this `JInternalFrame` can be closed by some user action.
`boolean`	`isClosed()` Returns whether this `JInternalFrame` is currently closed.
`boolean`	`isFocusCycleRoot()` Always returns `true` because all `JInternalFrame`s must be roots of a focus traversal cycle.
`boolean`	`isIcon()` Returns whether the `JInternalFrame` is currently iconified.
`boolean`	`isIconifiable()` Gets the `iconable` property, which by default is `false`.
`boolean`	`isMaximizable()` Gets the value of the `maximizable` property.
`boolean`	`isMaximum()` Returns whether the `JInternalFrame` is currently maximized.
`boolean`	`isResizable()` Returns whether the `JInternalFrame` can be resized by some user action.
`protected boolean`	`isRootPaneCheckingEnabled()` Returns whether calls to `add` and `setLayout` cause an exception to be thrown.
`boolean`	`isSelected()` Returns whether the `JInternalFrame` is the currently "selected" or active frame.
`void`	`moveToBack()` Convenience method that moves this component to position -1 if its parent is a `JLayeredPane`.
`void`	`moveToFront()` Convenience method that moves this component to position 0 if its parent is a `JLayeredPane`.
`void`	`pack()` Causes subcomponents of this `JInternalFrame` to be laid out at their preferred size.
`protected void`	`paintComponent(Graphics g)` Overridden to allow optimized painting when the internal frame is being dragged.
`protected String`	`paramString()` Returns a string representation of this `JInternalFrame`.
`void`	`remove(Component comp)` Removes the specified component from this container.
`void`	`removeInternalFrameListener(InternalFrameListener l)` Removes the specified internal frame listener so that it no longer receives internal frame events from this internal frame.
`void`	`reshape(int x, int y, int width, int height)` Moves and resizes this component.
`void`	`restoreSubcomponentFocus()` Requests the internal frame to restore focus to the last subcomponent that had focus.
`void`	`setClosable(boolean b)` Sets whether this `JInternalFrame` can be closed by some user action.
`void`	`setClosed(boolean b)` Closes this internal frame if the argument is `true`.
`void`	`setContentPane(Container c)` Sets this `JInternalFrame`'s `contentPane` property.
`void`	`setDefaultCloseOperation(int operation)` Sets the operation that will happen by default when the user initiates a "close" on this internal frame.
`void`	`setDesktopIcon(JInternalFrame.JDesktopIcon d)` Sets the `JDesktopIcon` associated with this `JInternalFrame`.
`void`	`setFocusCycleRoot(boolean focusCycleRoot)` Does nothing because `JInternalFrame`s must always be roots of a focus traversal cycle.
`void`	`setFrameIcon(Icon icon)` Sets an image to be displayed in the titlebar of this internal frame (usually in the top-left corner).
`void`	`setGlassPane(Component glass)` Sets this `JInternalFrame`'s `glassPane` property.
`void`	`setIcon(boolean b)` Iconifies or de-iconifies this internal frame, if the look and feel supports iconification.
`void`	`setIconifiable(boolean b)` Sets the `iconable` property, which must be `true` for the user to be able to make the `JInternalFrame` an icon.
`void`	`setJMenuBar(JMenuBar m)` Sets the `menuBar` property for this `JInternalFrame`.
`void`	`setLayer(int layer)` Convenience method for setting the layer attribute of this component.
`void`	`setLayer(Integer layer)` Convenience method for setting the layer attribute of this component.
`void`	`setLayeredPane(JLayeredPane layered)` Sets this `JInternalFrame`'s `layeredPane` property.
`void`	`setLayout(LayoutManager manager)` Ensures that, by default, the layout of this component cannot be set.
`void`	`setMaximizable(boolean b)` Sets the `maximizable` property, which determines whether the `JInternalFrame` can be maximized by some user action.
`void`	`setMaximum(boolean b)` Maximizes and restores this internal frame.
`void`	`setMenuBar(JMenuBar m)` Deprecated. As of Swing version 1.0.3 replaced by `setJMenuBar(JMenuBar m)`.
`void`	`setNormalBounds(Rectangle r)` Sets the normal bounds for this internal frame, the bounds that this internal frame would be restored to from its maximized state.
`void`	`setResizable(boolean b)` Sets whether the `JInternalFrame` can be resized by some user action.
`protected void`	`setRootPane(JRootPane root)` Sets the `rootPane` property for this `JInternalFrame`.
`protected void`	`setRootPaneCheckingEnabled(boolean enabled)` Determines whether calls to `add` and `setLayout` cause an exception to be thrown.
`void`	`setSelected(boolean selected)` Selects or deselects the internal frame if it's showing.
`void`	`setTitle(String title)` Sets the `JInternalFrame` title.
`void`	`setUI(InternalFrameUI ui)` Sets the UI delegate for this `JInternalFrame`.
`void`	`show()` If the internal frame is not visible, brings the internal frame to the front, makes it visible, and attempts to select it.
`void`	`toBack()` Sends this internal frame to the back.
`void`	`toFront()` Brings this internal frame to the front.
`void`	`updateUI()` Notification from the `UIManager` that the look and feel 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, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, 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, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, removeAll, removeContainerListener, setFocusTraversalKeys, setFocusTraversalPolicy, transferFocusBackward, transferFocusDownCycle, validate, 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, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, 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, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

rootPane

protected JRootPane rootPane

The JRootPane instance that manages the content pane and optional menu bar for this internal frame, as well as the glass pane.

See Also:: JRootPane, RootPaneContainer

rootPaneCheckingEnabled

protected boolean rootPaneCheckingEnabled

If true then calls to add and setLayout cause an exception to be thrown.

closable

protected boolean closable

The frame can be closed.

isClosed

protected boolean isClosed

The frame has been closed.

maximizable

protected boolean maximizable

The frame can be expanded to the size of the desktop pane.

isMaximum

protected boolean isMaximum

The frame has been expanded to its maximum size.

See Also:: maximizable

iconable

protected boolean iconable

The frame can "iconified" (shrunk down and displayed as an icon-image).

See Also:: JInternalFrame.JDesktopIcon, setIconifiable(boolean)

isIcon

protected boolean isIcon

The frame has been iconified.

See Also:: isIcon()

resizable

protected boolean resizable

The frame's size can be changed.

isSelected

protected boolean isSelected

The frame is currently selected.

frameIcon

protected Icon frameIcon

The icon shown in the top-left corner of this internal frame.

title

protected String title

The title displayed in this internal frame's title bar.

desktopIcon

protected JInternalFrame.JDesktopIcon desktopIcon

The icon that is displayed when this internal frame is iconified.

See Also:: iconable

CONTENT_PANE_PROPERTY

public static final String CONTENT_PANE_PROPERTY

Bound property name.

See Also:: Constant Field Values

MENU_BAR_PROPERTY

public static final String MENU_BAR_PROPERTY

Bound property name.

See Also:: Constant Field Values

TITLE_PROPERTY

public static final String TITLE_PROPERTY

Bound property name.

See Also:: Constant Field Values

LAYERED_PANE_PROPERTY

public static final String LAYERED_PANE_PROPERTY

Bound property name.

See Also:: Constant Field Values

ROOT_PANE_PROPERTY

public static final String ROOT_PANE_PROPERTY

Bound property name.

See Also:: Constant Field Values

GLASS_PANE_PROPERTY

public static final String GLASS_PANE_PROPERTY

Bound property name.

See Also:: Constant Field Values

FRAME_ICON_PROPERTY

public static final String FRAME_ICON_PROPERTY

Bound property name.

See Also:: Constant Field Values

IS_SELECTED_PROPERTY

public static final String IS_SELECTED_PROPERTY

Constrained property name indicated that this frame has selected status.

See Also:: Constant Field Values

IS_CLOSED_PROPERTY

public static final String IS_CLOSED_PROPERTY

Constrained property name indicating that the internal frame is closed.

See Also:: Constant Field Values

IS_MAXIMUM_PROPERTY

public static final String IS_MAXIMUM_PROPERTY

Constrained property name indicating that the internal frame is maximized.

See Also:: Constant Field Values

IS_ICON_PROPERTY

public static final String IS_ICON_PROPERTY

Constrained property name indicating that the internal frame is iconified.

See Also:: Constant Field Values

Constructor Detail

JInternalFrame

public JInternalFrame()

Creates a non-resizable, non-closable, non-maximizable, non-iconifiable JInternalFrame with no title.

JInternalFrame

public JInternalFrame(String title)

Creates a non-resizable, non-closable, non-maximizable, non-iconifiable JInternalFrame with the specified title. Note that passing in a null title results in unspecified behavior and possibly an exception.
Parameters:: title - the non-null String to display in the title bar

JInternalFrame

public JInternalFrame(String title,
                      boolean resizable)

Creates a non-closable, non-maximizable, non-iconifiable JInternalFrame with the specified title and resizability.
Parameters:: title - the String to display in the title bar; resizable - if true, the internal frame can be resized

JInternalFrame

public JInternalFrame(String title,
                      boolean resizable,
                      boolean closable)

Creates a non-maximizable, non-iconifiable JInternalFrame with the specified title, resizability, and closability.
Parameters:: title - the String to display in the title bar; resizable - if true, the internal frame can be resized; closable - if true, the internal frame can be closed

JInternalFrame

public JInternalFrame(String title,
                      boolean resizable,
                      boolean closable,
                      boolean maximizable)

Creates a non-iconifiable JInternalFrame with the specified title, resizability, closability, and maximizability.
Parameters:: title - the String to display in the title bar; resizable - if true, the internal frame can be resized; closable - if true, the internal frame can be closed; maximizable - if true, the internal frame can be maximized

JInternalFrame

public JInternalFrame(String title,
                      boolean resizable,
                      boolean closable,
                      boolean maximizable,
                      boolean iconifiable)

Creates a JInternalFrame with the specified title, resizability, closability, maximizability, and iconifiability. All JInternalFrame constructors use this one.
Parameters:: title - the String to display in the title bar; resizable - if true, the internal frame can be resized; closable - if true, the internal frame can be closed; maximizable - if true, the internal frame can be maximized; iconifiable - if true, the internal frame can be iconified

Method Detail

createRootPane

protected JRootPane createRootPane()

Called by the constructor to set up the JRootPane.

Returns:: a new JRootPane
See Also:: JRootPane

getUI

public InternalFrameUI getUI()

Returns the look-and-feel object that renders this component.

Returns:: the InternalFrameUI object that renders this component

setUI

public void setUI(InternalFrameUI ui)

Sets the UI delegate for this JInternalFrame.

Parameters:: ui - the UI delegate

updateUI

public void updateUI()

Notification from the UIManager that the look and feel has changed. Replaces the current UI object with the latest version from the UIManager.

Overrides:: updateUI in class JComponent

See Also:: JComponent.updateUI()

getUIClassID

public String getUIClassID()

Returns the name of the look-and-feel class that renders this component.

Overrides:: getUIClassID in class JComponent

Returns:: the string "InternalFrameUI"
See Also:: JComponent.getUIClassID(), UIDefaults.getUI(javax.swing.JComponent)

isRootPaneCheckingEnabled

protected boolean isRootPaneCheckingEnabled()

Returns whether calls to add and setLayout cause an exception to be thrown.

Returns:: true if add and setLayout are checked
See Also:: addImpl(java.awt.Component, java.lang.Object, int), setLayout(java.awt.LayoutManager), setRootPaneCheckingEnabled(boolean)

setRootPaneCheckingEnabled

protected void setRootPaneCheckingEnabled(boolean enabled)

Determines whether calls to add and setLayout cause an exception to be thrown.

Parameters:: enabled - a boolean value, true if checking is to be enabled, which cause the exceptions to be thrown
See Also:: addImpl(java.awt.Component, java.lang.Object, int), setLayout(java.awt.LayoutManager), isRootPaneCheckingEnabled()

addImpl

protected void addImpl(Component comp,
                       Object constraints,
                       int index)

Ensures that, by default, children cannot be added directly to this component. Instead, children must be added to its content pane. For example:

thisComponent.getContentPane().add(child)

An attempt to add to directly to this component will cause a runtime exception to be thrown. Subclasses can disable this behavior.

Overrides:: addImpl in class Container

Parameters:: comp - the Component to be added; constraints - the object containing the constraints, if any; index - the index
Throws:: Error - if called with isRootPaneChecking true
See Also:: setRootPaneCheckingEnabled(boolean)

remove

public void remove(Component comp)

Removes the specified component from this container.

Overrides:: remove in class Container

Parameters:: comp - the component to be removed
See Also:: Container.add(java.awt.Component)

setLayout

public void setLayout(LayoutManager manager)

Ensures that, by default, the layout of this component cannot be set. Instead, the layout of its content pane should be set. For example:

 thisComponent.getContentPane().setLayout(new GridLayout(1,2))

An attempt to set the layout of this component will cause an runtime exception to be thrown. Subclasses can disable this behavior.

Overrides:: setLayout in class Container

Parameters:: manager - the LayoutManager
Throws:: Error - if called with isRootPaneChecking true
See Also:: setRootPaneCheckingEnabled(boolean)

getMenuBar

public JMenuBar getMenuBar()

Deprecated. As of Swing version 1.0.3, replaced by getJMenuBar().

Returns the current JMenuBar for this JInternalFrame, or null if no menu bar has been set.

Returns:: the current menu bar, or null if none has been set

getJMenuBar

public JMenuBar getJMenuBar()

Returns the current JMenuBar for this JInternalFrame, or null if no menu bar has been set.

Returns:: the JMenuBar used by this internal frame
See Also:: setJMenuBar(javax.swing.JMenuBar)

setMenuBar

public void setMenuBar(JMenuBar m)

Deprecated. As of Swing version 1.0.3 replaced by setJMenuBar(JMenuBar m).

Sets the menuBar property for this JInternalFrame.

Parameters:: m - the JMenuBar to use in this internal frame
See Also:: getJMenuBar()

setJMenuBar

public void setJMenuBar(JMenuBar m)

Sets the menuBar property for this JInternalFrame.

Parameters:: m - the JMenuBar to use in this internal frame
See Also:: getJMenuBar()

getContentPane

public Container getContentPane()

Returns the content pane for this internal frame.

Specified by:: getContentPane in interface RootPaneContainer

Returns:: the content pane
See Also:: RootPaneContainer.setContentPane(java.awt.Container)

setContentPane

public void setContentPane(Container c)

Sets this JInternalFrame's contentPane property.

Specified by:: setContentPane in interface RootPaneContainer

Parameters:: c - the content pane for this internal frame
Throws:: IllegalComponentStateException - (a runtime exception) if the content pane parameter is null
See Also:: RootPaneContainer.getContentPane()

getLayeredPane

public JLayeredPane getLayeredPane()

Returns the layered pane for this internal frame.

Specified by:: getLayeredPane in interface RootPaneContainer

Returns:: a JLayeredPane object
See Also:: RootPaneContainer.setLayeredPane(javax.swing.JLayeredPane), RootPaneContainer.getLayeredPane()

setLayeredPane

public void setLayeredPane(JLayeredPane layered)

Sets this JInternalFrame's layeredPane property.

Specified by:: setLayeredPane in interface RootPaneContainer

Parameters:: layered - the JLayeredPane for this internal frame
Throws:: IllegalComponentStateException - (a runtime exception) if the layered pane parameter is null
See Also:: RootPaneContainer.setLayeredPane(javax.swing.JLayeredPane)

getGlassPane

public Component getGlassPane()

Returns the glass pane for this internal frame.

Specified by:: getGlassPane in interface RootPaneContainer

Returns:: the glass pane
See Also:: RootPaneContainer.setGlassPane(java.awt.Component)

setGlassPane

public void setGlassPane(Component glass)

Sets this JInternalFrame's glassPane property.

Specified by:: setGlassPane in interface RootPaneContainer

Parameters:: glass - the glass pane for this internal frame
See Also:: RootPaneContainer.getGlassPane()

getRootPane

public JRootPane getRootPane()

Returns the rootPane object for this internal frame.

Specified by:: getRootPane in interface RootPaneContainer
Overrides:: getRootPane in class JComponent

Returns:: the rootPane property
See Also:: RootPaneContainer.getRootPane()

setRootPane

protected void setRootPane(JRootPane root)

Sets the rootPane property for this JInternalFrame. This method is called by the constructor.

Parameters:: root - the new JRootPane object

setClosable

public void setClosable(boolean b)

Sets whether this JInternalFrame can be closed by some user action.

Parameters:: b - a boolean value, where true means this internal frame can be closed

isClosable

public boolean isClosable()

Returns whether this JInternalFrame can be closed by some user action.

Returns:: true if this internal frame can be closed

isClosed

public boolean isClosed()

Returns whether this JInternalFrame is currently closed.

Returns:: true if this internal frame is closed, false otherwise

setClosed

public void setClosed(boolean b)
               throws PropertyVetoException

Closes this internal frame if the argument is true. Do not invoke this method with a false argument; the result of invoking setClosed(false) is unspecified.

If the internal frame is already closed, this method does nothing and returns immediately. Otherwise, this method begins by firing an INTERNAL_FRAME_CLOSING event. Then this method sets the closed property to true unless a listener vetoes the property change. This method finishes by making the internal frame invisible and unselected, and then firing an INTERNAL_FRAME_CLOSED event.

Note: To reuse an internal frame that has been closed, you must add it to a container (even if you never removed it from its previous container). Typically, this container will be the JDesktopPane that previously contained the internal frame.

Parameters:: b - must be true
Throws:: PropertyVetoException - when the attempt to set the property is vetoed by the JInternalFrame
See Also:: isClosed(), setDefaultCloseOperation(int), dispose(), InternalFrameEvent.INTERNAL_FRAME_CLOSING

setResizable

public void setResizable(boolean b)

Sets whether the JInternalFrame can be resized by some user action.

Parameters:: b - a boolean, where true means this internal frame can be resized

isResizable

public boolean isResizable()

Returns whether the JInternalFrame can be resized by some user action.

Returns:: true if this internal frame can be resized, false otherwise

setIconifiable

public void setIconifiable(boolean b)

Sets the iconable property, which must be true for the user to be able to make the JInternalFrame an icon. Some look and feels might not implement iconification; they will ignore this property.

Parameters:: b - a boolean, where true means this internal frame can be iconified

isIconifiable

public boolean isIconifiable()

Gets the iconable property, which by default is false.

Returns:: the value of the iconable property.
See Also:: setIconifiable(boolean)

isIcon

public boolean isIcon()

Returns whether the JInternalFrame is currently iconified.

Returns:: true if this internal frame is iconified

setIcon

public void setIcon(boolean b)
             throws PropertyVetoException

Iconifies or de-iconifies this internal frame, if the look and feel supports iconification. If the internal frame's state changes to iconified, this method fires an INTERNAL_FRAME_ICONIFIED event. If the state changes to de-iconified, an INTERNAL_FRAME_DEICONIFIED event is fired.

Parameters:: b - a boolean, where true means to iconify this internal frame and false means to de-iconify it
Throws:: PropertyVetoException - when the attempt to set the property is vetoed by the JInternalFrame
See Also:: InternalFrameEvent.INTERNAL_FRAME_ICONIFIED, InternalFrameEvent.INTERNAL_FRAME_DEICONIFIED

setMaximizable

public void setMaximizable(boolean b)

Sets the maximizable property, which determines whether the JInternalFrame can be maximized by some user action. Some look and feels might not support maximizing internal frames; they will ignore this property.

Parameters:: b - true to specify that this internal frame should be maximizable; false to specify that it should not be

isMaximizable

public boolean isMaximizable()

Gets the value of the maximizable property.

Returns:: the value of the maximizable property
See Also:: setMaximizable(boolean)

isMaximum

public boolean isMaximum()

Returns whether the JInternalFrame is currently maximized.

Returns:: true if this internal frame is maximized, false otherwise

setMaximum

public void setMaximum(boolean b)
                throws PropertyVetoException

Maximizes and restores this internal frame. A maximized frame is resized to fully fit the JDesktopPane area associated with the JInternalFrame. A restored frame's size is set to the JInternalFrame's actual size.

Parameters:: b - a boolean, where true maximizes this internal frame and false restores it
Throws:: PropertyVetoException - when the attempt to set the property is vetoed by the JInternalFrame

getTitle

public String getTitle()

Returns the title of the JInternalFrame.

Returns:: a String containing this internal frame's title
See Also:: setTitle(java.lang.String)

setTitle

public void setTitle(String title)

Sets the JInternalFrame title. title may have a null value.

Parameters:: title - the String to display in the title bar
See Also:: getTitle()

setSelected

public void setSelected(boolean selected)
                 throws PropertyVetoException

Selects or deselects the internal frame if it's showing. A JInternalFrame normally draws its title bar differently if it is the selected frame, which indicates to the user that this internal frame has the focus. When this method changes the state of the internal frame from deselected to selected, it fires an InternalFrameEvent.INTERNAL_FRAME_ACTIVATED event. If the change is from selected to deselected, an InternalFrameEvent.INTERNAL_FRAME_DEACTIVATED event is fired.

Parameters:: selected - a boolean, where true means this internal frame should become selected (currently active) and false means it should become deselected
Throws:: PropertyVetoException - when the attempt to set the property is vetoed by the JInternalFrame
See Also:: Component.isShowing(), InternalFrameEvent.INTERNAL_FRAME_ACTIVATED, InternalFrameEvent.INTERNAL_FRAME_DEACTIVATED

isSelected

public boolean isSelected()

Returns whether the JInternalFrame is the currently "selected" or active frame.

Returns:: true if this internal frame is currently selected (active)
See Also:: setSelected(boolean)

setFrameIcon

public void setFrameIcon(Icon icon)

Sets an image to be displayed in the titlebar of this internal frame (usually in the top-left corner). This image is not the desktopIcon object, which is the image displayed in the JDesktop when this internal frame is iconified. Passing null to this function is valid, but the look and feel can choose the appropriate behavior for that situation, such as displaying no icon or a default icon for the look and feel.

Parameters:: icon - the Icon to display in the title bar
See Also:: getFrameIcon()

getFrameIcon

public Icon getFrameIcon()

Returns the image displayed in the title bar of this internal frame (usually in the top-left corner).

Returns:: the Icon displayed in the title bar
See Also:: setFrameIcon(javax.swing.Icon)

moveToFront

public void moveToFront()

Convenience method that moves this component to position 0 if its parent is a JLayeredPane.

moveToBack

public void moveToBack()

Convenience method that moves this component to position -1 if its parent is a JLayeredPane.

setLayer

public void setLayer(Integer layer)

Convenience method for setting the layer attribute of this component.

Parameters:: layer - an Integer object specifying this frame's desktop layer
See Also:: JLayeredPane

setLayer

public void setLayer(int layer)

Convenience method for setting the layer attribute of this component. The method setLayer(Integer) should be used for layer values predefined in JLayeredPane. When using setLayer(int), care must be taken not to accidentally clash with those values.

Parameters:: layer - an integer specifying this internal frame's desktop layer
Since:: 1.3
See Also:: setLayer(Integer), JLayeredPane

getLayer

public int getLayer()

Convenience method for getting the layer attribute of this component.

Returns:: an Integer object specifying this frame's desktop layer
See Also:: JLayeredPane

getDesktopPane

public JDesktopPane getDesktopPane()

Convenience method that searches the ancestor hierarchy for a JDesktop instance. If JInternalFrame finds none, the desktopIcon tree is searched.

Returns:: the JDesktopPane this internal frame belongs to, or null if none is found

setDesktopIcon

public void setDesktopIcon(JInternalFrame.JDesktopIcon d)

Sets the JDesktopIcon associated with this JInternalFrame.

Parameters:: d - the JDesktopIcon to display on the desktop
See Also:: getDesktopIcon()

getDesktopIcon

public JInternalFrame.JDesktopIcon getDesktopIcon()

Returns the JDesktopIcon used when this JInternalFrame is iconified.

Returns:: the JDesktopIcon displayed on the desktop
See Also:: setDesktopIcon(javax.swing.JInternalFrame.JDesktopIcon)

getNormalBounds

public Rectangle getNormalBounds()

If the JInternalFrame is not in maximized state, returns getBounds(); otherwise, returns the bounds that the JInternalFrame would be restored to.

Returns:: a Rectangle containing the bounds of this frame when in the normal state
Since:: 1.3

setNormalBounds

public void setNormalBounds(Rectangle r)

Sets the normal bounds for this internal frame, the bounds that this internal frame would be restored to from its maximized state. This method is intended for use only by desktop managers.

Parameters:: r - the bounds that this internal frame should be restored to
Since:: 1.3

getFocusOwner

public Component getFocusOwner()

If this JInternalFrame is active, returns the child that has focus. Otherwise, returns null.

Returns:: the component with focus, or null if no children have focus
Since:: 1.3

getMostRecentFocusOwner

public Component getMostRecentFocusOwner()

Returns the child component of this JInternalFrame that will receive the focus when this JInternalFrame is selected. If this JInternalFrame is currently selected, this method returns the same component as the getFocusOwner method. If this JInternalFrame is not selected, then the child component that most recently requested focus will be returned. If no child component has ever requested focus, then this JInternalFrame's initial focusable component is returned. If no such child exists, then this JInternalFrame's default component to focus is returned.

Returns:: the child component that will receive focus when this JInternalFrame is selected
Since:: 1.4
See Also:: getFocusOwner(), isSelected

restoreSubcomponentFocus

public void restoreSubcomponentFocus()

Requests the internal frame to restore focus to the last subcomponent that had focus. This is used by the UI when the user selected this internal frame -- for example, by clicking on the title bar.

Since:: 1.3

reshape

public void reshape(int x,
                    int y,
                    int width,
                    int height)

Moves and resizes this component. Unlike other components, this implementation also forces re-layout, so that frame decorations such as the title bar are always redisplayed.

Overrides:: reshape in class JComponent

Parameters:: x - an integer giving the component's new horizontal position measured in pixels from the left of its container; y - an integer giving the component's new vertical position, measured in pixels from the bottom of its container; width - an integer giving the component's new width in pixels; height - an integer giving the component's new height in pixels
See Also:: Component.setBounds(int, int, int, int)

addInternalFrameListener

public void addInternalFrameListener(InternalFrameListener l)

Adds the specified listener to receive internal frame events from this internal frame.

Parameters:: l - the internal frame listener

removeInternalFrameListener

public void removeInternalFrameListener(InternalFrameListener l)

Removes the specified internal frame listener so that it no longer receives internal frame events from this internal frame.

Parameters:: l - the internal frame listener

getInternalFrameListeners

public InternalFrameListener[] getInternalFrameListeners()

Returns an array of all the InternalFrameListeners added to this JInternalFrame with addInternalFrameListener.

Returns:: all of the InternalFrameListeners added or an empty array if no listeners have been added
Since:: 1.4
See Also:: addInternalFrameListener(javax.swing.event.InternalFrameListener)

fireInternalFrameEvent

protected void fireInternalFrameEvent(int id)

Fires an internal frame event.

Parameters:

id - the type of the event being fired; one of the following:

InternalFrameEvent.INTERNAL_FRAME_OPENED
InternalFrameEvent.INTERNAL_FRAME_CLOSING
InternalFrameEvent.INTERNAL_FRAME_CLOSED
InternalFrameEvent.INTERNAL_FRAME_ICONIFIED
InternalFrameEvent.INTERNAL_FRAME_DEICONIFIED
InternalFrameEvent.INTERNAL_FRAME_ACTIVATED
InternalFrameEvent.INTERNAL_FRAME_DEACTIVATED

If the event type is not one of the above, nothing happens.

doDefaultCloseAction

public void doDefaultCloseAction()

Fires an INTERNAL_FRAME_CLOSING event and then performs the action specified by the internal frame's default close operation. This method is typically invoked by the look-and-feel-implemented action handler for the internal frame's close button.

Since:: 1.3
See Also:: setDefaultCloseOperation(int), InternalFrameEvent.INTERNAL_FRAME_CLOSING

setDefaultCloseOperation

public void setDefaultCloseOperation(int operation)

Sets the operation that will happen by default when the user initiates a "close" on this internal frame. The possible choices are:

DO_NOTHING_ON_CLOSE: Do nothing. This requires the program to handle the operation in the windowClosing method of a registered InternalFrameListener object.
HIDE_ON_CLOSE: Automatically make the internal frame invisible.
DISPOSE_ON_CLOSE: Automatically dispose of the internal frame.

The default value is DISPOSE_ON_CLOSE. Before performing the specified close operation, the internal frame fires an INTERNAL_FRAME_CLOSING event.

Parameters:: operation - one of the following constants defined in javax.swing.WindowConstants (an interface implemented by JInternalFrame): DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE, or DISPOSE_ON_CLOSE
See Also:: addInternalFrameListener(javax.swing.event.InternalFrameListener), getDefaultCloseOperation(), JComponent.setVisible(boolean), dispose(), InternalFrameEvent.INTERNAL_FRAME_CLOSING

getDefaultCloseOperation

public int getDefaultCloseOperation()

Returns the default operation that occurs when the user initiates a "close" on this internal frame.

Returns:: the operation that will occur when the user closes the internal frame
See Also:: setDefaultCloseOperation(int)

pack

public void pack()

Causes subcomponents of this JInternalFrame to be laid out at their preferred size. Internal frames that are iconized or maximized are first restored and then packed. If the internal frame is unable to be restored its state is not changed and will not be packed.

See Also:: Window.pack()

show

public void show()

If the internal frame is not visible, brings the internal frame to the front, makes it visible, and attempts to select it. The first time the internal frame is made visible, this method also fires an INTERNAL_FRAME_OPENED event. This method does nothing if the internal frame is already visible. Invoking this method has the same result as invoking setVisible(true).

Overrides:: show in class Component

See Also:: moveToFront(), setSelected(boolean), InternalFrameEvent.INTERNAL_FRAME_OPENED, JComponent.setVisible(boolean)

hide

public void hide()

Overrides:: hide in class Component

dispose

public void dispose()

Makes this internal frame invisible, unselected, and closed. If the frame is not already closed, this method fires an INTERNAL_FRAME_CLOSED event. The results of invoking this method are similar to setClosed(true), but dispose always succeeds in closing the internal frame and does not fire an INTERNAL_FRAME_CLOSING event.

See Also:: InternalFrameEvent.INTERNAL_FRAME_CLOSED, JComponent.setVisible(boolean), setSelected(boolean), setClosed(boolean)

toFront

public void toFront()

Brings this internal frame to the front. Places this internal frame at the top of the stacking order and makes the corresponding adjustment to other visible internal frames.

See Also:: Window.toFront(), moveToFront()

toBack

public void toBack()

Sends this internal frame to the back. Places this internal frame at the bottom of the stacking order and makes the corresponding adjustment to other visible internal frames.

See Also:: Window.toBack(), moveToBack()

setFocusCycleRoot

public final void setFocusCycleRoot(boolean focusCycleRoot)

Does nothing because JInternalFrames must always be roots of a focus traversal cycle.

Overrides:: setFocusCycleRoot in class Container

Parameters:: focusCycleRoot - this value is ignored
Since:: 1.4
See Also:: isFocusCycleRoot(), Container.setFocusTraversalPolicy(java.awt.FocusTraversalPolicy), Container.getFocusTraversalPolicy()

isFocusCycleRoot

public final boolean isFocusCycleRoot()

Always returns true because all JInternalFrames must be roots of a focus traversal cycle.

Overrides:: isFocusCycleRoot in class Container

Returns:: true
Since:: 1.4
See Also:: setFocusCycleRoot(boolean), Container.setFocusTraversalPolicy(java.awt.FocusTraversalPolicy), Container.getFocusTraversalPolicy()

getFocusCycleRootAncestor

public final Container getFocusCycleRootAncestor()

Always returns null because JInternalFrames must always be roots of a focus traversal cycle.

Overrides:: getFocusCycleRootAncestor in class Component

Returns:: null
Since:: 1.4
See Also:: Container.isFocusCycleRoot()

getWarningString

public final String getWarningString()

Gets the warning string that is displayed with this internal frame. Since an internal frame is always secure (since it's fully contained within a window that might need a warning string) this method always returns null.

Returns:: null
See Also:: Window.getWarningString()

paramString

protected String paramString()

Returns a string representation of this JInternalFrame. 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 JInternalFrame

paintComponent

protected void paintComponent(Graphics g)

Overridden to allow optimized painting when the internal frame is being dragged.

Overrides:: paintComponent in class JComponent

Parameters:: g - the Graphics object to protect
See Also:: JComponent.paint(java.awt.Graphics), ComponentUI

getAccessibleContext

public AccessibleContext getAccessibleContext()

Gets the AccessibleContext associated with this JInternalFrame. For internal frames, the AccessibleContext takes the form of an AccessibleJInternalFrame object. A new AccessibleJInternalFrame instance is created if necessary.

Specified by:: getAccessibleContext in interface Accessible
Overrides:: getAccessibleContext in class JComponent

Returns:: an AccessibleJInternalFrame that serves as the AccessibleContext of this JInternalFrame
See Also:: JInternalFrame.AccessibleJInternalFrame

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javax.swing Class JInternalFrame

rootPane

rootPaneCheckingEnabled

closable

isClosed

maximizable

isMaximum

iconable

isIcon

resizable

isSelected

frameIcon

title

desktopIcon

CONTENT_PANE_PROPERTY

MENU_BAR_PROPERTY

TITLE_PROPERTY

LAYERED_PANE_PROPERTY

ROOT_PANE_PROPERTY

GLASS_PANE_PROPERTY

FRAME_ICON_PROPERTY

IS_SELECTED_PROPERTY

IS_CLOSED_PROPERTY

IS_MAXIMUM_PROPERTY

IS_ICON_PROPERTY

JInternalFrame

JInternalFrame

JInternalFrame

JInternalFrame

JInternalFrame

JInternalFrame

createRootPane

getUI

setUI

updateUI

getUIClassID

isRootPaneCheckingEnabled

setRootPaneCheckingEnabled

addImpl

remove

setLayout

getMenuBar

getJMenuBar

setMenuBar

setJMenuBar

getContentPane

setContentPane

getLayeredPane

setLayeredPane

getGlassPane

setGlassPane

getRootPane

setRootPane

setClosable

isClosable

isClosed

setClosed

setResizable

isResizable

setIconifiable

isIconifiable

isIcon

setIcon

setMaximizable

isMaximizable

isMaximum

setMaximum

getTitle

setTitle

setSelected

isSelected

setFrameIcon

getFrameIcon

moveToFront

moveToBack

setLayer

setLayer

getLayer

getDesktopPane

setDesktopIcon

javax.swing
Class JInternalFrame