bundles/org.eclipse.jface/src/org/eclipse/jface/preference/IPreferencePageContainer.java

package org.eclipse.jface.preference;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
/**
 * An interface used by a preference page to talk to
 * its dialog.
 */
public interface IPreferencePageContainer {
/**
 * Returns the preference store.
 *
 * @return the preference store, or <code>null</code> if none
 */
public IPreferenceStore getPreferenceStore();
/**
 * Adjusts the enable state of the OK 
 * button to reflect the state of the currently active 
 * page in this container.
 * <p>
 * This method is called by the container itself
 * when its preference 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 preference page changes and may be called
 * by the page at other times to force a message 
 * update.
 * </p>
 */
public void updateMessage();
/**
 * Updates the title to reflect the state of the 
 * currently active page in this container.
 * <p>
 * This method is called by the container itself
 * when its page changes and may be called
 * by the page at other times to force a title  
 * update.
 * </p>
 */
public void updateTitle();
}