ChoicePanel.java

/*
This file is part of leafdigital leafChat.

leafChat is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

leafChat is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with leafChat. If not, see <http://www.gnu.org/licenses/>.

Copyright 2011 Samuel Marshall.
*/
package com.leafdigital.ui.api;

/**
 * A Panel with any number of slots (all Page objects). Only one is
 * displayed at a time (like a TabPanel, but without the tabs). Initially,
 * the first slot is displayed.
 */
public interface ChoicePanel extends Panel
{
	/**
	 * Adds a page to the end.
	 * @param p New page
	 */
	public void add(Page p);

	/**
	 * Brings a particular page to the front.
	 * @param id ID of desired page
	 */
	public void display(String id);

	/**
	 * Finds out the page currently being displayed.
	 * @return ID of page
	 */
	public String getDisplayed();
}