dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/CompositePage.java


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package org.openslx.dozmod.gui.helper;

import java.awt.LayoutManager;

import javax.swing.JPanel;

@SuppressWarnings("serial")
public abstract class CompositePage extends JPanel {

	public CompositePage() {
		super();
	}

	public CompositePage(LayoutManager layout) {
		super(layout);
	}

	/**
	 * This page is requested to be closed (hidden). The page should save any
	 * data or unload resources, but not destroy the window, as it might be
	 * opened again at a later point in time. The page can request to cancel the
	 * operation, i.e. by asking the user first if he wants to cancel the
	 * operation and lose unsaved data, and then returning false if the user
	 * wants to stay on this page.
	 * 
	 * @return true to allow hiding (and opening a new page afterwards), false
	 *         to stay on this page.
	 */
	public abstract boolean requestHide();

	/**
	 * Called when this page will be shown. The Page can initialize or reset
	 * internal data and control contents.
	 */
	public abstract void requestShow();

}