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Diffstat (limited to 'prototypes/miglayout/net/miginfocom/layout/BoundSize.java')
| -rw-r--r-- | prototypes/miglayout/net/miginfocom/layout/BoundSize.java | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/prototypes/miglayout/net/miginfocom/layout/BoundSize.java b/prototypes/miglayout/net/miginfocom/layout/BoundSize.java new file mode 100644 index 00000000..a5eeb32f --- /dev/null +++ b/prototypes/miglayout/net/miginfocom/layout/BoundSize.java @@ -0,0 +1,246 @@ +package 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 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 serilization only and should normally not be used. 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 serilization only and should normally not be used. 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 noone 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 noone 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()
+ {
+ return pref == null && min == null && max == null;
+ }
+
+ /** 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 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 lenth 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) {
+ 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();
+ }
+
+ static {
+ LayoutUtil.setDelegate(BoundSize.class, new PersistenceDelegate() {
+ 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));
+ }
+}
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