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/* SizeSequence.java --

   Copyright (C) 2002 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

the Free Software Foundation; either version 2, or (at your option)

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.

You should have received a copy of the GNU General Public License

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

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package javax.swing;

/**

 * SizeSequence

 * @author      Andrew Selkirk

 * @version     1.0

 */

public class SizeSequence

{

  /**

    * sizes

    */

  private int[] sizes = new int[0];

  /**

   * Constructor SizeSequence

   */

  public SizeSequence()

  {

    sizes = new int[0];

  }

  /**

   * Constructor SizeSequence

   * @param numEntries TODO

   */

  public SizeSequence(int numEntries)

  {

    this(numEntries, 0);

  }

  /**

   * Constructor SizeSequence

   * @param numEntries TODO

   * @param value TODO

   */

  public SizeSequence(int numEntries, int value)

  {

    insertEntries(0, numEntries, value);

  }

  /**

   * Constructor SizeSequence

   * @param sizes TODO

   */

  public SizeSequence(int[] sizes)

  {

    setSizes(sizes);

  }

  /**

   * setSize

   * @param index TODO

   * @param size TODO

   */

  public void setSize(int index, int size)

  {

    sizes[index] = size;

  }

  /**

   * getIndex

   * @param position TODO

   * @returns int

   */

  public int getIndex(int position)

  {

    return 0; // TODO

  }

  /**

   * getSize

   * @param index TODO

   * @returns int

   */

  public int getSize(int index)

  {

    return sizes[index];

  }

  /**

   * setSizes

   * @param sizes TODO

   */

  public void setSizes(int[] sizes)

  {

    int index;

    // Initialize sizes.

    this.sizes = new int[sizes.length];

    for (index = 0; index < sizes.length; index++)

      this.sizes[index] = sizes[index];

  }

  /**

   * getSizes

   * @returns int[]

   */

  public int[] getSizes()

  {

    int[] array;

    int index;

    // Create new array.

    array = new int[sizes.length];

    for (index = 0; index < sizes.length; index++)

      array[index] = sizes[index];

    // Return newly created array.

    return array;

  }

  /**

   * getPosition

   * @param index TODO

   * @returns int

   */

  public int getPosition(int index)

  {

    int position;

    int loop;

    // Process sizes.

    position = 0;

    for (loop = 0; loop < index; loop++)

      position += sizes[loop];

    // Return position.

    return position;

  }

  /**

   * insertEntries

   * @param start TODO

   * @param length TODO

   * @param value TODO

   */

  public void insertEntries(int start, int length, int value)

  {

    int[] array;

    int index;

    int arrayIndex;

    int loop;

    // Create new array.

    array = new int[sizes.length + length];

    arrayIndex = 0;

    for (index = 0; index < sizes.length; index++)

      {

        if (index == start)

          {

            for (loop = 0; loop < length; loop++)

              {

                array[arrayIndex] = value;

                arrayIndex++;

              }

          }

        else

          {

            array[arrayIndex] = sizes[index];

            arrayIndex++;

          }

      }

        }

  /**

   * removeEntries

   * @param start TODO

   * @param length TODO

   */

  public void removeEntries(int start, int length)

  {

    int[] array;

    int index;

    int arrayIndex;

    // Sanity check.

    if ((start + length) > sizes.length)

      throw new IllegalArgumentException("Specified start/length that "

                                         + "is greater than available sizes");

    // Create new array.

    array = new int[sizes.length - length];

    arrayIndex = 0;

    for (index = 0; index < sizes.length; index++)

      {

        if (index == start)

          index += length - 1;

        else

          {

            array[arrayIndex] = sizes[index];

            arrayIndex++;

          }

      }

  }

}