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/*
 * Bibliothek - DockingFrames
 * Library built on Java/Swing, allows the user to "drag and drop"
 * panels containing any Swing-Component the developer likes to add.
 * 
 * Copyright (C) 2010 Benjamin Sigg
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Benjamin Sigg
 * [email protected]
 * CH - Switzerland
 */
package bibliothek.gui.dock.frontend;

import bibliothek.gui.DockFrontend;
import bibliothek.gui.Dockable;
import bibliothek.gui.DockFrontend.DockInfo;
import bibliothek.gui.DockFrontend.RootInfo;
import bibliothek.gui.dock.DockFactory;
import bibliothek.gui.dock.event.VetoableDockFrontendListener;
import bibliothek.gui.dock.layout.AdjacentDockFactory;
import bibliothek.gui.dock.layout.DockSituationIgnore;
import bibliothek.gui.dock.layout.DockablePropertyFactory;

/**
 * A set of data and methods that may be exclusively used while changing
 * the layout of a {@link DockFrontend}.
 * @author Benjamin Sigg
 */
public interface DockFrontendInternals {
	/**
	 * The frontend that grants this permissions.
	 * @return the source of this permissions
	 */
	public DockFrontend getFrontend();
	
    /**
     * Removes all child-parent relations expect the ones filtered out
     * by ignore.
     * @param ignore a filter, never null
     */
    public void clean( DockSituationIgnore ignore );
    
    /**
     * Gets information about all the roots that are registered.
     * @return all the roots
     */
    public RootInfo[] getRoots();
    
    /**
     * Gets information about all the {@link Dockable}s that are registered.
     * @return all the dockables
     */
    public DockInfo[] getDockables();
    
    /**
     * Searches for information about the Dockable with unique identifier key.
     * @param key the name of some element
     * @return information or null if nothing was found
     */
    public DockInfo getInfo( String key );
    
    /**
     * Searches information about dockable.
     * @param dockable some dockable to search
     * @return information or null if nothing was found
     */
    public DockInfo getInfo( Dockable dockable );
    
    /**
     * Gets a list of all {@link DockFactory}s that were added using {@link DockFrontend#registerFactory(DockFactory)}.
     * @return all the factories
     */
    public DockFactory[] getDockFactories();
    
    /**
     * Gets a list of all {@link DockFactory}s that were added using {@link DockFrontend#registerBackupFactory(DockFactory)}.
     * @return all the factories
     */
    public DockFactory[] getBackupDockFactories();
    
    /**
     * Gets a list of all {@link AdjacentDockFactory}s that were added using {@link DockFrontend#registerAdjacentFactory(AdjacentDockFactory)}.
     * @return all the factories
     */
    public AdjacentDockFactory[] getAdjacentDockFactories();
    
    /**
     * Gets a list of all {@link AdjacentDockFactory}s that were added using {@link DockFrontend#registerFactory(DockablePropertyFactory)}.
     * @return all the factories
     */
    public DockablePropertyFactory[] getPropertyFactories();
    
    /**
     * Gets information how to handle cases where information about a {@link Dockable} is found but the dockable itself is missing.
     * @return the strategy, not null
     */
    public MissingDockableStrategy getMissingDockableStrategy();
    
    /**
     * Allows access to all the {@link VetoableDockFrontendListener}s for questioning about some operations.
     * @return all the listeners that could have a veto
     */
    public VetoManager getVetos();
}