GridBagConstraints.java

// GridBagConstraints.java - Constraints for GridBag layout manager

/* Copyright (C) 2000, 2001, 2002  Free Software Foundation

This file is part of GNU Classpath.

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it under the terms of the GNU General Public License as published by
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permission to link this library with independent modules to produce an
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package java.awt;

import java.io.Serializable;

/** This specifies the constraints for a component managed by the
 * GridBagLayout layout manager.  */
public class GridBagConstraints implements Cloneable, Serializable
{
  static final long serialVersionUID = -1000070633030801713L;

  /** Fill in both directions.  */
  public static final int BOTH = 1;
  /** Don't fill.  */
  public static final int NONE = 0;
  /** Fill horizontally.  */
  public static final int HORIZONTAL = 2;
  /** Fill vertically.  */
  public static final int VERTICAL = 3;

  /** Position in the center.  */
  public static final int CENTER = 10;
  /** Position to the east.  */
  public static final int EAST = 13;
  /** Position to the north.  */
  public static final int NORTH = 11;
  /** Position to the northeast.  */
  public static final int NORTHEAST = 12;
  /** Position to the northwest.  */
  public static final int NORTHWEST = 18;
  /** Position to the south.  */
  public static final int SOUTH = 15;
  /** Position to the southeast.  */
  public static final int SOUTHEAST = 14;
  /** Position to the southwest.  */
  public static final int SOUTHWEST = 16;
  /** Position to the west.  */
  public static final int WEST = 17;

  /** Occupy all remaining cells except last cell.  */
  public static final int RELATIVE = -1;
  /** Occupy all remaining cells.  */
  public static final int REMAINDER = 0;

  /**
   * Position to where the first text line would end. Equals to NORTHEAST for
   * horizontal left-to-right orientations.
   */
  public static final int FIRST_LINE_END = 24;

  /**
   * Position to where the first text line would start. Equals to NORTHWEST for
   * horizontal left-to-right orientations.
   */
  public static final int FIRST_LINE_START = 23;

  /**
   * Position to where the last text line would end. Equals to SOUTHEAST for
   * horizontal left-to-right orientations.
   */
  public static final int LAST_LINE_END = 26;

  /**
   * Position to where the last text line would start. Equals to SOUTHWEST for
   * horizontal left-to-right orientations.
   */
  public static final int LAST_LINE_START = 25;

  /**
   * Position to where a text line would end. Equals to EAST for
   * left-to-right orientations.
   */
  public static final int LINE_END = 22;

  /**
   * Position to where a text line would start. Equals to WEST for
   * left-to-right orientations.
   */
  public static final int LINE_START = 21;

  /**
   * Position to where a page ends. Equals SOUTH for horizontal orientations.
   */
  public static final int PAGE_END = 20;

  /**
   * Position to where a page starts. Equals NORTH for horizontal orientations.
   */
  public static final int PAGE_START = 19;

  public int anchor;
  public int fill;
  public int gridheight;
  public int gridwidth;
  public int gridx;
  public int gridy;
  public Insets insets;
  public int ipadx;
  public int ipady;
  public double weightx;
  public double weighty;

  /** Create a copy of this object.  */
  public Object clone ()
  {
    try
      {
	GridBagConstraints g = (GridBagConstraints) super.clone ();
	g.insets = (Insets) insets.clone ();
	return g;
      }
    catch (CloneNotSupportedException _)
      {
	// Can't happen.
	return null;
      }
  }

  /** Create a new GridBagConstraints object with the default
   * parameters.  */
  public GridBagConstraints ()
  {
    this.anchor = CENTER;
    this.fill = NONE;
    this.gridx = RELATIVE;
    this.gridy = RELATIVE;
    this.gridwidth = 1;
    this.gridheight = 1;
    this.ipadx = 0;
    this.ipady = 0;
    this.insets = new Insets (0, 0, 0, 0);
    this.weightx = 0;
    this.weighty = 0;
  }

  /** Create a new GridBagConstraints object with the indicated
   * parameters.  */
  public GridBagConstraints (int gridx, int gridy,
			     int gridwidth, int gridheight,
			     double weightx, double weighty,
			     int anchor, int fill,
			     Insets insets, int ipadx, int ipady)
  {
    this.anchor = anchor;
    this.fill = fill;
    this.gridx = gridx;
    this.gridy = gridy;
    this.gridwidth = gridwidth;
    this.gridheight = gridheight;
    this.ipadx = ipadx;
    this.ipady = ipady;
    this.insets = insets;
    this.weightx = weightx;
    this.weighty = weighty;
  }
}