java.awt
Class Dialog

java.lang.Object   
  java.awt.Component   
      java.awt.Container   
          java.awt.Window   
              java.awt.Dialog

All Implemented Interfaces:

ImageObserver , MenuContainer , Serializable , Accessible

Direct Known Subclasses:

FileDialog , JDialog

public class Dialog
extends Window   

A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user. The size of the dialog includes any area designated for the border. The dimensions of the border area can be obtained using the getInsets method, however, since these dimensions are platform-dependent, a valid insets value cannot be obtained until the dialog is made displayable by either calling pack or show. Since the border area is included in the overall size of the dialog, the border effectively obscures a portion of the dialog, constraining the area available for rendering and/or displaying subcomponents to the rectangle which has an upper-left corner location of (insets.left, insets.top), and has a size of width - (insets.left + insets.right) by height - (insets.top + insets.bottom).

The default layout for a dialog is BorderLayout.

A dialog may have its native decorations (i.e. Frame & Titlebar) turned off with setUndecorated. This can only be done while the dialog is not displayable .

A dialog must have either a frame or another dialog defined as its owner when it's constructed. When the owner window of a visible dialog is minimized, the dialog will automatically be hidden from the user. When the owner window is subsequently restored, the dialog is made visible to the user again.

In a multi-screen environment, you can create a Dialog on a different screen device than its owner. See Frame for more information.

A dialog can be either modeless (the default) or modal. A modal dialog is one which blocks input to all other toplevel windows in the application, except for any windows created with the dialog as their owner.

Dialogs are capable of generating the following WindowEvents: WindowOpened, WindowClosing, WindowClosed, WindowActivated, WindowDeactivated, WindowGainedFocus, WindowLostFocus.

Since:

JDK1.0

See Also:

WindowEvent , Window.addWindowListener(java.awt.event.WindowListener) , Serialized Form

Nested Class Summary

protected class

Dialog.AccessibleAWTDialog This class implements accessibility support for the Dialog class.

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

Window.AccessibleAWTWindow

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

Container.AccessibleAWTContainer

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

Component.AccessibleAWTComponent , Component.BltBufferStrategy , Component.FlipBufferStrategy

Field Summary

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT , CENTER_ALIGNMENT , LEFT_ALIGNMENT , RIGHT_ALIGNMENT , TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

Dialog (Dialog owner)
Constructs an initially invisible, non-modal Dialog with an empty title and the specified owner dialog.

Dialog (Dialog owner, String title)
Constructs an initially invisible, non-modal Dialog with the specified owner dialog and title.

Dialog (Dialog owner, String title, boolean modal)
Constructs an initially invisible Dialog with the specified owner dialog, title, and modality.

Dialog (Dialog owner, String title, boolean modal, GraphicsConfiguration gc)
Constructs an initially invisible Dialog with the specified owner dialog, title, modality, and GraphicsConfiguration.

Dialog (Frame owner)
Constructs an initially invisible, non-modal Dialog with an empty title and the specified owner frame.

Dialog (Frame owner, boolean modal)
Constructs an initially invisible Dialog with an empty title, the specified owner frame and modality.

Dialog (Frame owner, String title)
Constructs an initially invisible, non-modal Dialog with the specified owner frame and title.

Dialog (Frame owner, String title, boolean modal)
Constructs an initially invisible Dialog with the specified owner frame, title, and modality.

Dialog (Frame owner, String title, boolean modal, GraphicsConfiguration gc)
Constructs an initially invisible Dialog with the specified owner frame, title, modality, and GraphicsConfiguration.

Method Summary

void	addNotify () Makes this Dialog displayable by connecting it to a native screen resource.
AccessibleContext	getAccessibleContext () Gets the AccessibleContext associated with this Dialog.
String	getTitle () Gets the title of the dialog.
void	hide () Deprecated. As of JDK version 1.5, replaced by Component.setVisible(boolean) .
boolean	isModal () Indicates whether the dialog is modal.
boolean	isResizable () Indicates whether this dialog is resizable by the user.
boolean	isUndecorated () Indicates whether this dialog is undecorated.
protected String	paramString () Returns a string representing the state of this dialog.
void	setModal (boolean b) Specifies whether this dialog should be modal.
void	setResizable (boolean resizable) Sets whether this dialog is resizable by the user.
void	setTitle (String title) Sets the title of the Dialog.
void	setUndecorated (boolean undecorated) Disables or enables decorations for this dialog.
void	show () Deprecated. As of JDK version 1.5, replaced by Component.setVisible(boolean) .

Methods inherited from class java.awt.Window

addPropertyChangeListener , addPropertyChangeListener , addWindowFocusListener , addWindowListener , addWindowStateListener , applyResourceBundle , applyResourceBundle , createBufferStrategy , createBufferStrategy , dispose , finalize , getBufferStrategy , getFocusableWindowState , getFocusCycleRootAncestor , getFocusOwner , getFocusTraversalKeys , getGraphicsConfiguration , getInputContext , getListeners , getLocale , getMostRecentFocusOwner , getOwnedWindows , getOwner , getToolkit , getWarningString , getWindowFocusListeners , getWindowListeners , getWindowStateListeners , isActive , isAlwaysOnTop , isFocusableWindow , isFocusCycleRoot , isFocused , isLocationByPlatform , isShowing , pack , postEvent , processEvent , processWindowEvent , processWindowFocusEvent , processWindowStateEvent , removeWindowFocusListener , removeWindowListener , removeWindowStateListener , setAlwaysOnTop , setBounds , setCursor , setFocusableWindowState , setFocusCycleRoot , setLocationByPlatform , setLocationRelativeTo , toBack , toFront

Methods inherited from class java.awt.Container

add , add , add , add , add , addContainerListener , addImpl , applyComponentOrientation , areFocusTraversalKeysSet , countComponents , deliverEvent , doLayout , findComponentAt , findComponentAt , getAlignmentX , getAlignmentY , getComponent , getComponentAt , getComponentAt , getComponentCount , getComponents , getComponentZOrder , getContainerListeners , getFocusTraversalPolicy , getInsets , getLayout , getMaximumSize , getMinimumSize , getMousePosition , getPreferredSize , insets , invalidate