MultipleTabsDisplay.java

/*
 * This file is part of muCommander, http://www.mucommander.com
 * Copyright (C) 2002-2010 Maxence Bernard
 *
 * muCommander 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.
 *
 * muCommander 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.mucommander.ui.tabs;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
* Component that present multiple tabs
* 
* @author Arik Hadas
*/
public class MultipleTabsDisplay<T extends Tab> extends TabsDisplay<T> implements TabsChangeListener, ChangeListener {
	
	private TabsCollection<T> tabs;
	private TabbedPane<T> pane;
	
	public MultipleTabsDisplay(TabsCollection<T> tabs, TabbedPane<T> tabbedpane) {
		super(tabbedpane, tabs);
		
		this.tabs = tabs;
		this.pane = tabbedpane;
		
		int index = 0;
		for (T tab : tabs)
			tabbedpane.set(tab, index++);
		
		tabs.addTabsListener(this);
		pane.addChangeListener(this);
	}

	@Override
	public int getSelectedTabIndex() {
		return pane.getSelectedIndex();
	}
	
	public void removeTab(int index) {
		pane.remove(index);
	}
	
	/*********************
	 * TabsChangeListener 
	 *********************/

	@Override
	public void tabUpdated(int index) {
		update(tabs.get(index), index);
	}

	@Override
	public void tabAdded(int index) {
		add(tabs.get(index), index);
	}

	@Override
	public void tabRemoved(int index) {
		removeTab(index);
	}
	
	/*****************
	 * ChangeListener
	 *****************/
	
	@Override
	public void stateChanged(ChangeEvent e) {
		int selectedIndex = getSelectedTabIndex();
		if (selectedIndex != -1)
			show(tabs.get(selectedIndex));
	}
	
	/**************
	 * TabsDisplay
	 **************/
	
	@Override
	public void add(T tab) {
		add(tab, tabs.count());
	}

	@Override
	public void add(T tab, int index) {
		pane.add(tab, index);
	}

	@Override
	public void update(T tab, int index) {
		pane.update(tab, index);
	}

	@Override
	public void show(T t) {
		pane.show(t);		
	}

	@Override
	public void destroy() {
		tabs.removeTabsListener(this);
		pane.removeChangeListener(this);
	}
	
	@Override
	public void setSelectedTabIndex(int index) {
		pane.setSelectedIndex(index);
	}

	@Override
	public void requestFocus() {
		pane.requestFocusInWindow();
	}

	@Override
	public void removeTab() {
		tabs.remove(getSelectedTabIndex());		
	}

	@Override
	public void removeOtherTabs() {
		int selectedTabIndex = getSelectedTabIndex();

		for (int i=0; i<selectedTabIndex; ++i)
			tabs.remove(0);

		for(int i=tabs.count()-1; i>0; --i)
			tabs.remove(1);		
	}
}