net.sourceforge.java.feednread.frontend.configuration
Class DialogMessageArea

java.lang.Object
  net.sourceforge.java.feednread.frontend.configuration.DialogMessageArea

public class DialogMessageArea

extends Object

The DialogMessageArea is a resusable component for adding an accessible message area to a dialog.

When the message is normal a CLabel is used but an errors replaces the message area with a non editable text that can take focus for use by screen readers.

Author:

Sebastian Machhausen

Field Summary

private String	lastMessageText
private int	lastMessageType
private Composite	messageComposite
private Label	messageImageLabel
private Text	messageText
private CLabel	titleLabel

Constructor Summary

DialogMessageArea()

Method Summary

void	clearErrorMessage() Clears the error message.
void	createContents(Composite parent) Create the contents for the receiver.
void	restoreTitle() Enables the title and disable the message text and image.
void	setMessageLayoutData(Object layoutData) Set the layoutData for the messageArea.
void	setTitleLayoutData(Object layoutData) Set the layoutData for the title area.
void	showTitle(String titleMessage, Image titleImage) Show the title.
void	updateText(String newMessage, int newType) Show the new message in the message text and update the image.

Methods inherited from class java.lang.Object

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

Field Detail

messageText

private Text messageText

messageImageLabel

private Label messageImageLabel

messageComposite

private Composite messageComposite

lastMessageText

private String lastMessageText

lastMessageType

private int lastMessageType

titleLabel

private CLabel titleLabel

Constructor Detail

DialogMessageArea

public DialogMessageArea()

Method Detail

createContents

public void createContents(Composite parent)

Create the contents for the receiver.

Parameters:

parent - the Composite that the children will be created in

setTitleLayoutData

public void setTitleLayoutData(Object layoutData)

Set the layoutData for the title area. In most cases this will be a copy of the layoutData used in setMessageLayoutData.

Parameters:

layoutData - the layoutData for the title

See Also:

setMessageLayoutData(Object)

setMessageLayoutData

public void setMessageLayoutData(Object layoutData)

Set the layoutData for the messageArea. In most cases this will be a copy of the layoutData used in setTitleLayoutData.

Parameters:

layoutData - the layoutData for the message area composite.

See Also:

setTitleLayoutData(Object)

showTitle

public void showTitle(String titleMessage,
                      Image titleImage)

Show the title.

Parameters:

titleMessage - String for the titke

titleImage - Image or null

restoreTitle

public void restoreTitle()

Enables the title and disable the message text and image.

updateText

public void updateText(String newMessage,
                       int newType)

Show the new message in the message text and update the image. Base the background color on whether or not there are errors.

Parameters:

newMessage - The new value for the message

newType - One of the IMessageProvider constants. If newType is IMessageProvider.NONE show the title.

See Also:

IMessageProvider

clearErrorMessage

public void clearErrorMessage()

Clears the error message. Restore the previously displayed message if there is one, if not restore the title label.