Retro68/gcc/libjava/classpath/javax/swing/plaf/SplitPaneUI.java

/* SplitPaneUI.java --
   Copyright (C) 2002, 2003, 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

GNU Classpath 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.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package javax.swing.plaf;

import java.awt.Graphics;

import javax.swing.JSplitPane;

/**
 * An abstract base class for delegates that implement the pluggable
 * look and feel for a <code>JSplitPane</code>.
 *
 * @see javax.swing.JSplitPane
 *
 * @author Andrew Selkirk (aselkirk@sympatico.ca)
 * @author Sascha Brawer (brawer@dandelis.ch)
 */
public abstract class SplitPaneUI extends ComponentUI
{
  /**
   * Constructs a new <code>SplitPaneUI</code>.
   */
  public SplitPaneUI()
  {
    // Nothing to do here.
  }


  /**
   * Moves the divider to the location which best respects
   * the preferred sizes of the children.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   */
  public abstract void resetToPreferredSizes(JSplitPane pane);


  /**
   * Moves the divider to the specified location.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   *
   * @param location the new location of the divider.
   */
  public abstract void setDividerLocation(JSplitPane pane,
                                          int location);


  /**
   * Determines the current location of the divider.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   *
   * @return the current location of the divider.
   */
  public abstract int getDividerLocation(JSplitPane pane);


  /**
   * Determines the minimum location of the divider.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   *
   * @return the leftmost (or topmost) possible location
   *         of the divider.
   */
  public abstract int getMinimumDividerLocation(JSplitPane pane);


  /**
   * Determines the maximum location of the divider.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   *
   * @return the bottommost (or rightmost) possible location
   *         of the divider.
   */
  public abstract int getMaximumDividerLocation(JSplitPane pane);


  /**
   * Called by the <code>JSplitPane</code> after it has finished
   * painting its children.
   *
   * @param pane the <code>JSplitPane</code> for thich this
   *        delegate provides the look and feel.
   *
   * @param g the Graphics used for painting.
   */
  public abstract void finishedPaintingChildren(JSplitPane pane,
                                                Graphics g);
}