bibliothek.gui.dock.extension.css.CssPath Maven / Gradle / Ivy
The newest version!
/*
* 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 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.extension.css;
import bibliothek.gui.dock.extension.css.path.CssPathListener;
/**
* Represents the path of a {@link CssItem}. {@link CssPath} are mutable and should
* be monitored with a {@link CssPathListener}. Each {@link CssPath} is only a list
* of {@link CssNode}. Changes in the {@link CssNode}s should be forwarded to the
* {@link CssPathListener}s.
* In general paths have to be optimized for use with attached {@link CssPathListener}s.
* @author Benjamin Sigg
*/
public interface CssPath {
/**
* Gets the number of {@link CssNode}s of this path.
* @return the number of nodes, should be at least 1, but a path without
* nodes is considered valid as well
*/
public int getSize();
/**
* Gets the index'th node of this path.
* @param index the index of the node
* @return the node
*/
public CssNode getNode( int index );
/**
* Adds the observer listener to this path.
* @param listener the new observer, not null
*/
public void addPathListener( CssPathListener listener );
/**
* Removes the observer listener from this path.
* @param listener the listener to remove
*/
public void removePathListener( CssPathListener listener );
}