bibliothek.gui.dock.ExpandableToolbarItemStrategy Maven / Gradle / Ivy
/*
* 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) 2012 Herve Guillaume, 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
*
* Herve Guillaume
* [email protected]
* FR - France
*
* Benjamin Sigg
* [email protected]
* CH - Switzerland
*/
package bibliothek.gui.dock;
import bibliothek.gui.DockController;
import bibliothek.gui.Dockable;
import bibliothek.gui.dock.toolbar.expand.DefaultExpandableToolbarItemStrategy;
import bibliothek.gui.dock.toolbar.expand.DisabledExpandableToolbarItemStrategy;
import bibliothek.gui.dock.toolbar.expand.ExpandableToolbarItemStrategyListener;
import bibliothek.gui.dock.toolbar.expand.ExpandedState;
import bibliothek.gui.dock.util.PropertyKey;
import bibliothek.gui.dock.util.property.ConstantPropertyFactory;
/**
* An {@link ExpandableToolbarItemStrategy} is a strategy that allows to expand
* and to shrink items of a toolbar.
*
* @author Benjamin Sigg
*/
public interface ExpandableToolbarItemStrategy {
/**
* An identifier to exchange the strategy.
* @see DefaultExpandableToolbarItemStrategy
*/
public static final PropertyKey STRATEGY = new PropertyKey(
"expandable toolbar item strategy", new ConstantPropertyFactory( new DisabledExpandableToolbarItemStrategy() ), true );
/**
* Called if this strategy is used by controller.
* @param controller the controller using this strategy
*/
public void install( DockController controller );
/**
* Called if this strategy is no longer used by controller.
* @param controller the controller which is no longer using this strategy
*/
public void uninstall( DockController controller );
/**
* Tells whether the {@link Dockable} item can have the state
* state.
* @param item the item to check
* @param state the state that might be applied to item
* @return true if this strategy knows how to change the state
* of item to state
*/
public boolean isEnabled( Dockable item, ExpandedState state );
/**
* Gets the current state item has.
* @param item some {@link Dockable}
* @return the state or null if item is not supported by this strategy.
*/
public ExpandedState getState( Dockable item );
/**
* Changes the state of item to state.
* @param item the item whose state is changed
* @param state the new state, this is a state which is {@link #isEnabled(Dockable, ExpandedState) enabled}
*/
public void setState( Dockable item, ExpandedState state );
/**
* Adds a listener to this strategy, the listener is to be informed if the
* state of an item changes.
* @param listener the new listener, not null
*/
public void addExpandedListener( ExpandableToolbarItemStrategyListener listener );
/**
* Removes a listener from this strategy.
* @param listener the listener to remove
*/
public void removeExpandedListener( ExpandableToolbarItemStrategyListener listener );
}