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Eclipse Platform
Release 3.0

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org.eclipse.jface.wizard
Class WizardPage

java.lang.Object
  org.eclipse.jface.dialogs.DialogPage
      org.eclipse.jface.wizard.WizardPage

All Implemented Interfaces:

IDialogPage, IMessageProvider, IWizardPage

Direct Known Subclasses:

WizardDataTransferPage, WizardExternalProjectImportPage, WizardNewFileCreationPage, WizardNewFolderMainPage, WizardNewLinkPage, WizardNewProjectCreationPage, WizardNewProjectReferencePage, WizardSelectionPage

public abstract class WizardPage

extends DialogPage

implements IWizardPage

An abstract base implementation of a wizard page.

Subclasses must implement the createControl method to create the specific controls for the wizard page.

Subclasses may call the following methods to configure the wizard page:

• setDescription
• setErrorMessage
• setImageDescriptor
• setMessage
• setPageComplete
• setPreviousPage
• setTitle

Subclasses may override these methods if required:

• performHelp - may be reimplemented to display help for the page
• canFlipToNextPage - may be extended or reimplemented
• isPageComplete - may be extended
• setDescription - may be extended
• setTitle - may be extended
• dispose - may be extended to dispose additional allocated SWT resources

Note that clients are free to implement IWizardPage from scratch instead of subclassing WizardPage. Correct implementations of IWizardPage will work with any correct implementation of IWizard.

Field Summary

Fields inherited from interface org.eclipse.jface.dialogs.IMessageProvider

ERROR, INFORMATION, NONE, WARNING

Constructor Summary

protected	WizardPage(String pageName) Creates a new wizard page with the given name, and with no title or image.
protected	WizardPage(String pageName, String title, ImageDescriptor titleImage) Creates a new wizard page with the given name, title, and image.

Method Summary

boolean	canFlipToNextPage() The WizardPage implementation of this IWizardPage method returns true if this page is complete (isPageComplete) and there is a next page to flip to.
protected IWizardContainer	getContainer() Returns the wizard container for this wizard page.
protected IDialogSettings	getDialogSettings() Returns the dialog settings for this wizard page.
Image	getImage() Returns this dialog page's image.
String	getName() Returns this page's name.
IWizardPage	getNextPage() Returns the wizard page that would to be shown if the user was to press the Next button.
IWizardPage	getPreviousPage() Returns the wizard page that would to be shown if the user was to press the Back button.
Shell	getShell() The WizardPage implementation of this method declared on DialogPage returns the shell of the container.
IWizard	getWizard() Returns the wizard that hosts this wizard page.
protected boolean	isCurrentPage() Returns whether this page is the current one in the wizard's container.
boolean	isPageComplete() The WizardPage implementation of this IWizard method returns the value of an internal state variable set by setPageComplete.
void	setDescription(String description) The WizardPage implementation of this IDialogPage method extends the DialogPage implementation to update the wizard container title bar.
void	setErrorMessage(String newMessage) The WizardPage implementation of this method declared on DialogPage updates the container if this is the current page.
void	setImageDescriptor(ImageDescriptor image) The WizardPage implementation of this method declared on DialogPage updates the container if this page is the current page.
void	setMessage(String newMessage, int newType) The WizardPage implementation of this method declared on DialogPage updates the container if this is the current page.
void	setPageComplete(boolean complete) Sets whether this page is complete.
void	setPreviousPage(IWizardPage page) Sets the wizard page that would typically be shown if the user was to press the Back button.
void	setTitle(String title) The WizardPage implementation of this IDialogPage method extends the DialogPage implementation to update the wizard container title bar.
void	setWizard(IWizard newWizard) Sets the wizard that hosts this wizard page.
String	toString() Returns a printable representation of this wizard page suitable only for debug purposes.

Methods inherited from class org.eclipse.jface.dialogs.DialogPage

convertHeightInCharsToPixels, convertHorizontalDLUsToPixels, convertVerticalDLUsToPixels, convertWidthInCharsToPixels, dispose, getControl, getDescription, getDialogFontName, getErrorMessage, getFont, getMessage, getMessageType, getTitle, getToolTipText, initializeDialogUnits, isControlCreated, performHelp, setButtonLayoutData, setControl, setMessage, setVisible

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jface.dialogs.IDialogPage

createControl, dispose, getControl, getDescription, getErrorMessage, getMessage, getTitle, performHelp, setVisible

Constructor Detail

WizardPage

protected WizardPage(String pageName)

Creates a new wizard page with the given name, and with no title or image.

Parameters:

pageName - the name of the page

WizardPage

protected WizardPage(String pageName,
                     String title,
                     ImageDescriptor titleImage)

Creates a new wizard page with the given name, title, and image.

Parameters:

pageName - the name of the page

title - the title for this wizard page, or null if none

titleImage - the image descriptor for the title of this wizard page, or null if none

Method Detail

canFlipToNextPage

public boolean canFlipToNextPage()

The WizardPage implementation of this IWizardPage method returns true if this page is complete (isPageComplete) and there is a next page to flip to. Subclasses may override (extend or reimplement).

Specified by:

canFlipToNextPage in interface IWizardPage

Returns:

true if the next page could be displayed, and false otherwise

See Also:

getNextPage(), isPageComplete()

getContainer

protected IWizardContainer getContainer()

Returns the wizard container for this wizard page.

Returns:

the wizard container, or null if this wizard page has yet to be added to a wizard, or the wizard has yet to be added to a container

getDialogSettings

protected IDialogSettings getDialogSettings()

Returns the dialog settings for this wizard page.

Returns:

the dialog settings, or null if none

getImage

public Image getImage()

Description copied from interface: IDialogPage

Returns this dialog page's image.

Specified by:

getImage in interface IDialogPage

Overrides:

getImage in class DialogPage

getName

public String getName()

Description copied from interface: IWizardPage

Returns this page's name.

Specified by:

getName in interface IWizardPage

Returns:

the name of this page

getNextPage

public IWizardPage getNextPage()

Description copied from interface: IWizardPage

Returns the wizard page that would to be shown if the user was to press the Next button.

Specified by:

getNextPage in interface IWizardPage

Returns:

the next wizard page, or null if none

getPreviousPage

public IWizardPage getPreviousPage()

Description copied from interface: IWizardPage

Returns the wizard page that would to be shown if the user was to press the Back button.

Specified by:

getPreviousPage in interface IWizardPage

Returns:

the previous wizard page, or null if none

getShell

public Shell getShell()

The WizardPage implementation of this method declared on DialogPage returns the shell of the container. The advantage of this implementation is that the shell is accessable once the container is created even though this page's control may not yet be created.

Overrides:

getShell in class DialogPage

Returns:

the shell

getWizard

public IWizard getWizard()

Description copied from interface: IWizardPage

Returns the wizard that hosts this wizard page.

Specified by:

getWizard in interface IWizardPage

Returns:

the wizard, or null if this page has not been added to any wizard

See Also:

IWizardPage.setWizard(org.eclipse.jface.wizard.IWizard)

isCurrentPage

protected boolean isCurrentPage()

Returns whether this page is the current one in the wizard's container.

Returns:

true if the page is active, and false otherwise

isPageComplete

public boolean isPageComplete()

The WizardPage implementation of this IWizard method returns the value of an internal state variable set by setPageComplete. Subclasses may extend.

Specified by:

isPageComplete in interface IWizardPage

Returns:

true if this page is complete, and false otherwise

setDescription

public void setDescription(String description)

The WizardPage implementation of this IDialogPage method extends the DialogPage implementation to update the wizard container title bar. Subclasses may extend.

Specified by:

setDescription in interface IDialogPage

Overrides:

setDescription in class DialogPage

setErrorMessage

public void setErrorMessage(String newMessage)

The WizardPage implementation of this method declared on DialogPage updates the container if this is the current page.

Overrides:

setErrorMessage in class DialogPage

Parameters:

newMessage - the message, or null to clear the error message

setImageDescriptor

public void setImageDescriptor(ImageDescriptor image)

The WizardPage implementation of this method declared on DialogPage updates the container if this page is the current page.

Specified by:

setImageDescriptor in interface IDialogPage

Overrides:

setImageDescriptor in class DialogPage

setMessage

public void setMessage(String newMessage,
                       int newType)

The WizardPage implementation of this method declared on DialogPage updates the container if this is the current page.

Overrides:

setMessage in class DialogPage

Parameters:

newMessage - the message, or null to clear the message

newType - the message type

setPageComplete

public void setPageComplete(boolean complete)

Sets whether this page is complete.

This information is typically used by the wizard to decide when it is okay to move on to the next page or finish up.

Parameters:

complete - true if this page is complete, and and false otherwise

See Also:

isPageComplete()

setPreviousPage

public void setPreviousPage(IWizardPage page)

Description copied from interface: IWizardPage

Sets the wizard page that would typically be shown if the user was to press the Back button.

This method is called by the container.

Specified by:

setPreviousPage in interface IWizardPage

Parameters:

page - the previous wizard page

setTitle

public void setTitle(String title)

The WizardPage implementation of this IDialogPage method extends the DialogPage implementation to update the wizard container title bar. Subclasses may extend.

Specified by:

setTitle in interface IDialogPage

Overrides:

setTitle in class DialogPage

setWizard

public void setWizard(IWizard newWizard)

Description copied from interface: IWizardPage

Sets the wizard that hosts this wizard page. Once established, a page's wizard cannot be changed to a different wizard.

Specified by:

setWizard in interface IWizardPage

Parameters:

newWizard - the wizard

See Also:

IWizardPage.getWizard()

toString

public String toString()

Returns a printable representation of this wizard page suitable only for debug purposes.