content: package themeengine.include.net.miginfocom.layout;
  
  import java.beans.Encoder;
  import java.beans.Expression;
  import java.beans.PersistenceDelegate;
  import java.io.*;
  /*
   * License (BSD):
   * ==============
   *
   * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   * Redistributions of source code must retain the above copyright notice, this list
   * of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, this
   * list of conditions and the following disclaimer in the documentation and/or other
   * materials provided with the distribution.
   * Neither the name of the MiG InfoCom AB nor the names of its contributors may be
   * used to endorse or promote products derived from this software without specific
   * prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
   * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
   * OF SUCH DAMAGE.
   *
   * @version 1.0
   * @author Mikael Grev, MiG InfoCom AB
   *         Date: 2006-sep-08
   */
  
  /** A size that contains minimum, preferred and maximum size of type {@link UnitValue}.
   * <p>
   * This class is a simple value container and it is immutable.
   * <p>
   * If a size is missing (i.e., <code>null</code>) that boundary should be considered "not in use".
   * <p>
   * You can create a BoundSize from a String with the use of {@link ConstraintParser#parseBoundSize(String, boolean, boolean)}
   */
  public class BoundSize implements Serializable
  {
  	public static final BoundSize NULL_SIZE = new BoundSize(null, null);
  	public static final BoundSize ZERO_PIXEL = new BoundSize(UnitValue.ZERO, "0px");
  
  	private final transient UnitValue min;
  	private final transient UnitValue pref;
  	private final transient UnitValue max;
  	private final transient boolean gapPush;
  
  	/** Constructor that use the same value for min/preferred/max size.
  	 * @param minMaxPref The value to use for min/preferred/max size.
  	 * @param createString The string used to create the BoundsSize.
  	 */
  	public BoundSize(UnitValue minMaxPref, String createString)
  	{
  		this(minMaxPref, minMaxPref, minMaxPref, createString);
  	}
  
  	/** Constructor. <b>This method is here for serialization only and should normally not be used.</b> Use
  	 * {@link ConstraintParser#parseBoundSize(String, boolean, boolean)} instead.
  	 * @param min The minimum size. May be <code>null</code>.
  	 * @param preferred  The preferred size. May be <code>null</code>.
  	 * @param max  The maximum size. May be <code>null</code>.
  	 * @param createString The string used to create the BoundsSize.
  	 */
  	public BoundSize(UnitValue min, UnitValue preferred, UnitValue max, String createString)    // Bound to old delegate!!!!!
  	{
  		this(min, preferred, max, false, createString);
  	}
  
  	/** Constructor. <b>This method is here for serialization only and should normally not be used.</b> Use
  	 * {@link ConstraintParser#parseBoundSize(String, boolean, boolean)} instead.
  	 * @param min The minimum size. May be <code>null</code>.
  	 * @param preferred  The preferred size. May be <code>null</code>.
  	 * @param max  The maximum size. May be <code>null</code>.
  	 * @param gapPush If the size should be hinted as "pushing" and thus want to occupy free space if no one else is claiming it.
  	 * @param createString The string used to create the BoundsSize.
  	 */
  	public BoundSize(UnitValue min, UnitValue preferred, UnitValue max, boolean gapPush, String createString)
  	{
  		this.min = min;
  		this.pref = preferred;
  		this.max = max;
  		this.gapPush = gapPush;
  
  		LayoutUtil.putCCString(this, createString);    // this escapes!!
  	}
  
  	/** Returns the minimum size as sent into the constructor.
  	 * @return The minimum size as sent into the constructor. May be <code>null</code>.
  	 */
  	public final UnitValue getMin()
  	{
  		return min;
  	}
  
  	/** Returns the preferred size as sent into the constructor.
  	 * @return The preferred size as sent into the constructor. May be <code>null</code>.
  	 */
  	public final UnitValue getPreferred()
  	{
  		return pref;
  	}
  
  	/** Returns the maximum size as sent into the constructor.
  	 * @return The maximum size as sent into the constructor. May be <code>null</code>.
  	 */
  	public final UnitValue getMax()
  	{
  		return max;
  	}
  
  	/** If the size should be hinted as "pushing" and thus want to occupy free space if no one else is claiming it.
  	 * @return The value.
  	 */
  	public boolean getGapPush()
  	{
  		return gapPush;
  	}
  
  	/** Returns if this bound size has no min, preferred and maximum size set (they are all <code>null</code>)
  	 * @return If unset.
  	 */
  	public boolean isUnset()
  	{
  		// Most common case by far is this == ZERO_PIXEL...
  		return this == ZERO_PIXEL || (pref == null && min == null && max == null && gapPush == false);
  	}
  
  	/** Makes sure that <code>size</code> is within min and max of this size.
  	 * @param size The size to constrain.
  	 * @param refValue The reference to use for relative sizes.
  	 * @param parent The parent container.
  	 * @return The size, constrained within min and max.
  	 */
  	public int constrain(int size, float refValue, ContainerWrapper parent)
  	{
  		if (max != null)
  			size = Math.min(size, max.getPixels(refValue, parent, parent));
  		if (min != null)
  			size = Math.max(size, min.getPixels(refValue, parent, parent));
  		return size;
  	}
  
  	/** Returns the minimum, preferred or maximum size for this bounded size.
  	 * @param sizeType The type. <code>LayoutUtil.MIN</code>, <code>LayoutUtil.PREF</code> or <code>LayoutUtil.MAX</code>.
  	 * @return
  	 */
  	final UnitValue getSize(int sizeType)
  	{
  		switch(sizeType) {
  			case LayoutUtil.MIN:
  				return min;
  			case LayoutUtil.PREF:
  				return pref;
  			case LayoutUtil.MAX:
  				return max;
  			default:
  				throw new IllegalArgumentException("Unknown size: " + sizeType);
  		}
  	}
  
  	/** Convert the bound sizes to pixels.
  	 * <p>
  	 * <code>null</code> bound sizes will be 0 for min and preferred and {@link themeengine.include.net.miginfocom.layout.LayoutUtil#INF} for max.
  	 * @param refSize The reference size.
  	 * @param parent The parent. Not <code>null</code>.
  	 * @param comp The component, if applicable, can be <code>null</code>.
  	 * @return An array of length three (min,pref,max).
  	 */
  	final int[] getPixelSizes(float refSize, ContainerWrapper parent, ComponentWrapper comp)
  	{
  		return new int[] {
  				min != null ? min.getPixels(refSize, parent, comp) : 0,
  				pref != null ? pref.getPixels(refSize, parent, comp) : 0,
  				max != null ? max.getPixels(refSize, parent, comp) : LayoutUtil.INF
  		};
  	}
  
  	/** Returns the a constraint string that can be re-parsed to be the exact same UnitValue.
  	 * @return A String. Never <code>null</code>.
  	 */
  	String getConstraintString()
  	{
  		String cs = LayoutUtil.getCCString(this);
  		if (cs != null)
  			return cs;
  
  		if (min == pref && pref == max)
  			return min != null ? (min.getConstraintString() + "!") : "null";
  
  		StringBuilder sb = new StringBuilder(16);
  
  		if (min != null)
  			sb.append(min.getConstraintString()).append(':');
  
  		if (pref != null) {
  			if (min == null && max != null)
  				sb.append(":");
  			sb.append(pref.getConstraintString());
  		} else if (min != null) {
  			sb.append('n');
  		}
  
  		if (max != null)
  			sb.append(sb.length() == 0 ? "::" : ":").append(max.getConstraintString());
  
  		if (gapPush) {
  			if (sb.length() > 0)
  				sb.append(':');
  			sb.append("push");
  		}
  
  		return sb.toString();
  	}
  
  	void checkNotLinked()
  	{
  		if (isLinked())
  			throw new IllegalArgumentException("Size may not contain links");
  	}
  
  	boolean isLinked()
  	{
  		return min != null && min.isLinkedDeep() || pref != null && pref.isLinkedDeep() || max != null && max.isLinkedDeep();
  	}
  
  	boolean isAbsolute()
  	{
  		return (min == null || min.isAbsoluteDeep()) && (pref == null || pref.isAbsoluteDeep()) && (max == null || max.isAbsoluteDeep());
  	}
  
  	public String toString()
  	{
  		return "BoundSize{" + "min=" + min + ", pref=" + pref + ", max=" + max + ", gapPush=" + gapPush +'}';
  	}
  
  	static {
          if(LayoutUtil.HAS_BEANS){
              LayoutUtil.setDelegate(BoundSize.class, new PersistenceDelegate() {
                  @Override
                  protected Expression instantiate(Object oldInstance, Encoder out)
                  {
                      BoundSize bs = (BoundSize) oldInstance;
                      if (Grid.TEST_GAPS) {
                          return new Expression(oldInstance, BoundSize.class, "new", new Object[] {
                                  bs.getMin(), bs.getPreferred(), bs.getMax(), bs.getGapPush(), bs.getConstraintString()
                          });
                      } else {
                          return new Expression(oldInstance, BoundSize.class, "new", new Object[] {
                                  bs.getMin(), bs.getPreferred(), bs.getMax(), bs.getConstraintString()
                          });
                      }
                  }
              });
          }
  	}
  
  	// ************************************************
  	// Persistence Delegate and Serializable combined.
  	// ************************************************
  
  	private static final long serialVersionUID = 1L;
  
  	protected Object readResolve() throws ObjectStreamException
  	{
  		return LayoutUtil.getSerializedObject(this);
  	}
  
  	private void writeObject(ObjectOutputStream out) throws IOException
  	{
  		if (getClass() == BoundSize.class)
  			LayoutUtil.writeAsXML(out, this);
  	}
  
  	private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
  	{
  		LayoutUtil.setSerializedObject(this, LayoutUtil.readAsXML(in));
  	}
  }
  