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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.wizard;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.swt.widgets.Shell;
/**
* Interface for containers that can host a wizard. It displays
* wizard pages, at most one of which is considered
* the current page. <code>getCurrentPage</code> returns the
* current page; <code>showPage</code> programmatically changes the
* the current page. Note that the pages need not all belong
* to the same wizard.
* <p>
* The class <code>WizardDialog</code> provides a fully functional
* implementation of this interface which will meet the needs of
* most clients. However, clients are also free to implement this
* interface if <code>WizardDialog</code> does not suit their needs.
* </p>
* <p>
* Implementors are responsible for disposing of their wizards.
* </p>
*
* @see org.eclipse.jface.wizard.IWizardContainer2
*/
public interface IWizardContainer extends IRunnableContext {
/**
* Returns the current wizard page for this container.
*
* @return the current wizard page, or <code>null</code> if the container
* is not yet showing the wizard
* @see #showPage
*/
public IWizardPage getCurrentPage();
/**
* Returns the shell for this wizard container.
*
* @return the shell, or <code>null</code> if this wizard
* container does not have a shell
*/
public Shell getShell();
/**
* Makes the given page visible.
* <p>
* This method should not be use for normal page
* sequencing (back, next) which is handled by the
* container itself. It may, however, be used to
* move to another page in response to some custom
* action such as double clicking in a list.
* </p>
*
* @param page the page to show
* @see #getCurrentPage
*/
public void showPage(IWizardPage page);
/**
* Adjusts the enable state of the Back, Next, and Finish
* buttons to reflect the state of the currently active
* page in this container.
* <p>
* This method is called by the container itself
* when its wizard page changes and may be called
* by the page at other times to force a button state
* update.
* </p>
*/
public void updateButtons();
/**
* Updates the message (or error message) shown in the message line to
* reflect the state of the currently active page in this container.
* <p>
* This method is called by the container itself
* when its wizard page changes and may be called
* by the page at other times to force a message
* update.
* </p>
*/
public void updateMessage();
/**
* Updates the title bar (title, description, and image) to
* reflect the state of the currently active page in this container.
* <p>
* This method is called by the container itself
* when its wizard page changes and may be called
* by the page at other times to force a title bar
* update.
* </p>
*/
public void updateTitleBar();
/**
* Updates the window title to reflect the state of the current wizard.
* <p>
* This method is called by the container itself
* when its wizard changes and may be called
* by the wizard at other times to force a window
* title change.
* </p>
*/
public void updateWindowTitle();
}
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