AWT/Swing merge from GNU Classpath.

From-SVN: r56147

9 files changed, 1360 insertions, 0 deletions

diff --git a/libjava/javax/swing/undo/AbstractUndoableEdit.java b/libjava/javax/swing/undo/AbstractUndoableEdit.java
new file mode 100644
index 0000000..e98b87c
--- /dev/null
+++ b/libjava/javax/swing/undo/AbstractUndoableEdit.java
@@ -0,0 +1,214 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import java.io.Serializable;
+
+/**
+ * AbstractUndoableEdit
+ * @author Andrew Selkirk
+ */
+public class AbstractUndoableEdit	extends		Object
+									implements	UndoableEdit,
+												Serializable {
+
+	//-------------------------------------------------------------
+	// Constants --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * String returned by getRedoPresentationName()
+	 */
+	protected static	String	RedoName	= "Redo";
+
+	/**
+	 * String returned by getUndoPresentationName()
+	 */
+	protected static	String	UndoName	= "Undo";
+
+
+	//-------------------------------------------------------------
+	// Variables --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * TODO
+	 */
+	private 			boolean	hasBeenDone	= false;
+
+	/**
+	 * The edit is alive
+	 */
+	private				boolean	alive 		= true;
+
+
+	//-------------------------------------------------------------
+	// Initialization ---------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * Create new AbstractUndoableEdit
+	 */
+	public AbstractUndoableEdit() {
+	} // AbstractUndoableEdit()
+
+
+	//-------------------------------------------------------------
+	// Interface: UndoableEdit ------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * addEdit
+	 * @param anEdit TODO
+	 * @returns TODO
+	 */
+	public boolean addEdit(UndoableEdit anEdit) {
+		return false;
+	} // addEdit()
+
+	/**
+	 * canRedo()
+	 * @returns true if redoable, false otherwise
+	 */
+	public boolean canRedo() {
+		if (alive == true && hasBeenDone == false) {
+			return true;
+		} // if
+		return false;
+	} // canRedo()
+
+	/**
+	 * canUndo()
+	 * @returns true if undoable, false otherwise
+	 */
+	public boolean canUndo() {
+		if (alive == true && hasBeenDone == true) {
+			return true;
+		} // if
+		return false;
+	} // canUndo()
+
+	/**
+	 * die
+	 */
+	public void die() {
+		alive = false;
+	} // die()
+
+	/**
+	 * getPresentation
+	 * @returns TODO
+	 */
+	public String getPresentationName() {
+		return "";
+	} // getPresentationName()
+
+	/**
+	 * getRedoPresentationName
+	 * @returns TODO
+	 */
+	public String getRedoPresentationName()	{
+		if (getPresentationName().equals("") == true) {
+			return RedoName;
+		} else {
+			return RedoName + " " + getPresentationName();
+		}
+	} // getRedoPresentationName()
+
+	/**
+	 * getUndoPresentationName
+	 * @returns TODO
+	 */
+	public String getUndoPresentationName()	{
+		if (getPresentationName().equals("") == true) {
+			return UndoName;
+		} else {
+			return UndoName + " " + getPresentationName();
+		}
+	} // getUndoPresentationName()
+
+	/**
+	 * isSignificant
+	 * @returns true
+	 */
+	public boolean isSignificant() {
+		return true;
+	} // isSignificant()
+
+	/**
+	 * redo
+	 * @throws CannotRedoException TODO
+	 */
+	public void redo() throws CannotRedoException {
+		if (canRedo() == false) {
+			throw new CannotRedoException();
+		}
+		hasBeenDone = true;
+	} // redo()
+
+	/**
+	 * replaceEdit
+	 * @param anEdit TODO
+	 * @returns TODO
+	 */
+	public boolean replaceEdit(UndoableEdit anEdit) {
+		return false;
+	} // replaceEdit()
+
+	/**
+	 * String representation
+	 * @returns String representation
+	 */
+	public String toString() {
+		return null; // TODO
+	} // toString()
+
+	/**
+	 * undo
+	 * @throws CannotUndoException TODO
+	 */
+	public void undo() throws CannotUndoException {
+		if (canUndo() == false) {
+			throw new CannotUndoException();
+		}
+		hasBeenDone = false;
+	} // undo()
+
+
+} // AbstractUndoableEdit
diff --git a/libjava/javax/swing/undo/CannotRedoException.java b/libjava/javax/swing/undo/CannotRedoException.java
new file mode 100644
index 0000000..030975d
--- /dev/null
+++ b/libjava/javax/swing/undo/CannotRedoException.java
@@ -0,0 +1,54 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+/**
+ * CannotRedoException
+ * @author Andrew Selkirk
+ */
+public class CannotRedoException extends RuntimeException {
+
+	/**
+	 * Create exception
+	 */
+	public CannotRedoException() {
+		super();
+	} // CannotRedoException()
+
+
+} // CannotRedoException
diff --git a/libjava/javax/swing/undo/CannotUndoException.java b/libjava/javax/swing/undo/CannotUndoException.java
new file mode 100644
index 0000000..c039d1b
--- /dev/null
+++ b/libjava/javax/swing/undo/CannotUndoException.java
@@ -0,0 +1,54 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+/**
+ * CannotUndoException
+ * @author Andrew Selkirk
+ */
+public class CannotUndoException extends RuntimeException {
+
+	/**
+	 * Create exception
+	 */
+	public CannotUndoException() {
+		super();
+	} // CannotUndoException()
+
+
+} // CannotUndoException
diff --git a/libjava/javax/swing/undo/CompoundEdit.java b/libjava/javax/swing/undo/CompoundEdit.java
new file mode 100644
index 0000000..37a7c4c
--- /dev/null
+++ b/libjava/javax/swing/undo/CompoundEdit.java
@@ -0,0 +1,282 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import java.util.Vector;
+
+/**
+ * CompoundEdit
+ * @author Andrew Selkirk
+ */
+public class CompoundEdit extends AbstractUndoableEdit {
+
+	//-------------------------------------------------------------
+	// Variables --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * The collection of UndoableEdits undone/redone en
+	 * masse by this CompoundEdit
+	 */
+	protected	Vector	edits		= new Vector();
+
+	/**
+	 * TODO
+	 */
+	private		boolean	inProgress	= false;
+
+
+	//-------------------------------------------------------------
+	// Initialization ---------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * Create new Compound Edit
+	 */
+	public CompoundEdit() {
+	} // CompoundEdit()
+
+
+	//-------------------------------------------------------------
+	// Interface: UndoableEdit ------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * addEdit
+	 * @param anEdit TODO
+	 * @returns TODO
+	 */
+	public boolean addEdit(UndoableEdit anEdit) {
+
+		// Variables
+		UndoableEdit	lastEdit;
+
+		if (inProgress == true) {
+
+			// Get Last Edit
+			lastEdit = lastEdit();
+
+			// Check for null
+			if (lastEdit != null) {
+
+				if (lastEdit.addEdit(anEdit) == false) {
+					if (lastEdit.replaceEdit(anEdit) == false) {
+						edits.add(anEdit);
+					}
+				}
+
+			} // if: lastEdit
+
+			return true;
+
+		} else {
+			return false;
+		}
+	} // addEdit()
+
+	/**
+	 * canRedo
+	 * @returns TODO
+	 */
+	public boolean canRedo() {
+		if (isInProgress() == true || super.canRedo() == false) {
+			return false;
+		}
+		return true;
+	} // canRedo()
+
+	/**
+	 * canUndo
+	 * @returns TODO
+	 */
+	public boolean canUndo() {
+		if (isInProgress() == true || super.canUndo() == false) {
+			return false;
+		}
+		return true;
+	} // canUndo()
+
+	/**
+	 * die
+	 */
+	public void die() {
+
+		// Variables
+		int				index;
+		UndoableEdit	current;
+
+		// Loop through all contained UndoableEdits
+		for (index = edits.size() - 1; index >= 0; index--) {
+			current = (UndoableEdit) edits.elementAt(index);
+			current.die();
+		} // for: index
+
+	} // die()
+
+	/**
+	 * end
+	 */
+	public void end() {
+		inProgress = false;
+	} // end()
+
+	/**
+	 * getPresentationName
+	 * @returns TODO
+	 */
+	public String getPresentationName() {
+		if (edits.size() == 0) {
+			return super.getPresentationName();
+		} else {
+			return lastEdit().getPresentationName();
+		}
+	} // getPresentationName()
+
+	/**
+	 * getRedoPresentationName
+	 * @returns TODO
+	 */
+	public String getRedoPresentationName()	{
+		if (edits.size() == 0) {
+			return super.getRedoPresentationName();
+		} else {
+			return lastEdit().getRedoPresentationName();
+		}
+	} // getRedoPresentationName()
+
+	/**
+	 * getUndoPresentationName
+	 * @returns TODO
+	 */
+	public String getUndoPresentationName()	{
+		if (edits.size() == 0) {
+			return super.getUndoPresentationName();
+		} else {
+			return lastEdit().getUndoPresentationName();
+		}
+	} // getUndoPresentationName()
+
+	/**
+	 * isInProgress
+	 * @returns TODO
+	 */
+	public boolean isInProgress() {
+		return inProgress;
+	} // isInProgress()
+
+
+	/**
+	 * isSignigicant
+	 * @returns TODO
+	 */
+	public boolean isSignificant() {
+
+		// Variables
+		int				index;
+		UndoableEdit	current;
+
+		// Check each edit
+		for (index = 0; index < edits.size(); index++) {
+			current = (UndoableEdit) edits.elementAt(index);
+			if (current.isSignificant() == true) {
+				return true;
+			}
+		} // for: index
+
+		return false;
+
+	} // isSignificant()
+
+	/**
+	 * lastEdit
+	 * @returns TODO
+	 */
+	protected UndoableEdit lastEdit() {
+		if (edits.size() == 0) {
+			return null;
+		}
+		return (UndoableEdit) edits.elementAt(edits.size() - 1);
+	} // lastEdit()
+
+	/**
+	 * redo
+	 * @throws CannotRedoException TODO
+	 */
+	public void redo() throws CannotRedoException {
+
+		// Variables
+		int				index;
+		UndoableEdit	current;
+
+		// Loop through all contained UndoableEdits
+		for (index = 0; index < edits.size(); index++) {
+			current = (UndoableEdit) edits.elementAt(index);
+			current.redo();
+		} // for: index
+
+	} // redo()
+
+	/**
+	 * String representation
+	 * @returns String representation
+	 */
+	public String toString() {
+		return null; // TODO
+	} // toString()
+
+	/**
+	 * undo
+	 * @throws CannotUndoException TODO
+	 */
+	public void undo() throws CannotUndoException {
+
+		// Variables
+		int				index;
+		UndoableEdit	current;
+
+		// Loop through all contained UndoableEdits
+		for (index = edits.size() - 1; index >= 0; index--) {
+			current = (UndoableEdit) edits.elementAt(index);
+			current.undo();
+		} // for: index
+
+	} // undo()
+
+
+} // CompoundEdit
diff --git a/libjava/javax/swing/undo/StateEdit.java b/libjava/javax/swing/undo/StateEdit.java
new file mode 100644
index 0000000..a56564b
--- /dev/null
+++ b/libjava/javax/swing/undo/StateEdit.java
@@ -0,0 +1,151 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import java.util.*;
+
+/**
+ * StateEdit
+ * @author	Andrew Selkirk
+ */
+public class StateEdit extends AbstractUndoableEdit {
+
+	//-------------------------------------------------------------
+	// Variables --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * RCSID
+	 */
+	protected static final String RCSID = ""; // TODO
+
+	/**
+	 * object
+	 */
+	protected StateEditable object;
+
+	/**
+	 * preState
+	 */
+	protected Hashtable preState;
+
+	/**
+	 * postState
+	 */
+	protected Hashtable postState;
+
+	/**
+	 * undoRedoName
+	 */
+	protected String undoRedoName;
+
+
+	//-------------------------------------------------------------
+	// Initialization ---------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * Constructor StateEdit
+	 * @param value0 TODO
+	 */
+	public StateEdit(StateEditable value0) {
+		// TODO
+	} // StateEdit()
+
+	/**
+	 * Constructor StateEdit
+	 * @param value0 TODO
+	 * @param value1 TODO
+	 */
+	public StateEdit(StateEditable value0, String value1) {
+		// TODO
+	} // StateEdit()
+
+
+	//-------------------------------------------------------------
+	// Methods ----------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * init
+	 * @param value0 TODO
+	 * @param value1 TODO
+	 */
+	protected void init(StateEditable value0, String value1) {
+		// TODO
+	} // init()
+
+	/**
+	 * end
+	 */
+	public void end() {
+		// TODO
+	} // end()
+
+	/**
+	 * undo
+	 */
+	public void undo() {
+		// TODO
+	} // undo()
+
+	/**
+	 * redo
+	 */
+	public void redo() {
+		// TODO
+	} // redo()
+
+	/**
+	 * getPresentationName
+	 * @returns String
+	 */
+	public String getPresentationName() {
+		return null; // TODO
+	} // getPresentationName()
+
+	/**
+	 * removeRedundantState
+	 */
+	protected void removeRedundantState() {
+		// TODO
+	} // removeRedundantState()
+
+
+} // StateEdit
diff --git a/libjava/javax/swing/undo/StateEditable.java b/libjava/javax/swing/undo/StateEditable.java
new file mode 100644
index 0000000..1d3eaa2
--- /dev/null
+++ b/libjava/javax/swing/undo/StateEditable.java
@@ -0,0 +1,62 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import java.util.Hashtable;
+
+/**
+ * StateEditable interface
+ * @author Andrew Selkirk
+ */
+public interface StateEditable {
+
+	/**
+	 * Restore State
+	 * @param state State
+	 */
+	public void restoreState(Hashtable state);
+
+	/**
+	 * Store State
+	 * @param state State
+	 */
+	public void storeState(Hashtable state);
+
+
+} // StateEditable
diff --git a/libjava/javax/swing/undo/UndoManager.java b/libjava/javax/swing/undo/UndoManager.java
new file mode 100644
index 0000000..f13cd3b
--- /dev/null
+++ b/libjava/javax/swing/undo/UndoManager.java
@@ -0,0 +1,259 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import javax.swing.event.*;
+
+/**
+ * UndoManager
+ * @author	Andrew Selkirk
+ */
+public class UndoManager extends CompoundEdit implements UndoableEditListener {
+
+	//-------------------------------------------------------------
+	// Variables --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * indexOfNextAdd
+	 */
+	int indexOfNextAdd;
+
+	/**
+	 * limit
+	 */
+	int limit;
+
+
+	//-------------------------------------------------------------
+	// Initialization ---------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * Constructor UndoManager
+	 */
+	public UndoManager() {
+		// TODO
+	} // UndoManager()
+
+
+	//-------------------------------------------------------------
+	// Methods ----------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * toString
+	 * @returns String
+	 */
+	public String toString() {
+		return null; // TODO
+	} // toString()
+
+	/**
+	 * end
+	 */
+	public synchronized void end() {
+		// TODO
+	} // end()
+
+	/**
+	 * getLimit
+	 * @returns int
+	 */
+	public synchronized int getLimit() {
+		return 0; // TODO
+	} // getLimit()
+
+	/**
+	 * discardAllEdits
+	 */
+	public synchronized void discardAllEdits() {
+		// TODO
+	} // discardAllEdits()
+
+	/**
+	 * trimForLimit
+	 */
+	protected void trimForLimit() {
+		// TODO
+	} // trimForLimit()
+
+	/**
+	 * trimEdits
+	 * @param value0 TODO
+	 * @param value1 TODO
+	 */
+	protected void trimEdits(int value0, int value1) {
+		// TODO
+	} // trimEdits()
+
+	/**
+	 * setLimit
+	 * @param value0 TODO
+	 */
+	public synchronized void setLimit(int value0) {
+		// TODO
+	} // setLimit()
+
+	/**
+	 * editToBeUndone
+	 * @returns UndoableEdit
+	 */
+	protected UndoableEdit editToBeUndone() {
+		return null; // TODO
+	} // editToBeUndone()
+
+	/**
+	 * editToBeRedone
+	 * @returns UndoableEdit
+	 */
+	protected UndoableEdit editToBeRedone() {
+		return null; // TODO
+	} // editToBeRedone()
+
+	/**
+	 * undoTo
+	 * @param value0 TODO
+	 * @exception CannotUndoException TODO
+	 */
+	protected void undoTo(UndoableEdit value0) throws CannotUndoException {
+		// TODO
+	} // undoTo()
+
+	/**
+	 * redoTo
+	 * @param value0 TODO
+	 * @exception CannotRedoException TODO
+	 */
+	protected void redoTo(UndoableEdit value0) throws CannotRedoException {
+		// TODO
+	} // redoTo()
+
+	/**
+	 * undoOrRedo
+	 * @exception CannotRedoException TODO
+	 * @exception CannotUndoException TODO
+	 */
+	public synchronized void undoOrRedo() throws CannotRedoException, CannotUndoException {
+		// TODO
+	} // undoOrRedo()
+
+	/**
+	 * canUndoOrRedo
+	 * @returns boolean
+	 */
+	public synchronized boolean canUndoOrRedo() {
+		return false; // TODO
+	} // canUndoOrRedo()
+
+	/**
+	 * undo
+	 * @exception CannotUndoException TODO
+	 */
+	public synchronized void undo() throws CannotUndoException {
+		// TODO
+	} // undo()
+
+	/**
+	 * canUndo
+	 * @returns boolean
+	 */
+	public synchronized boolean canUndo() {
+		return false; // TODO
+	} // canUndo()
+
+	/**
+	 * redo
+	 * @exception CannotRedoException TODO
+	 */
+	public synchronized void redo() throws CannotRedoException {
+		// TODO
+	} // redo()
+
+	/**
+	 * canRedo
+	 * @returns boolean
+	 */
+	public synchronized boolean canRedo() {
+		return false; // TODO
+	} // canRedo()
+
+	/**
+	 * addEdit
+	 * @param value0 TODO
+	 * @returns boolean
+	 */
+	public synchronized boolean addEdit(UndoableEdit value0) {
+		return false; // TODO
+	} // addEdit()
+
+	/**
+	 * getUndoOrRedoPresentationName
+	 * @returns String
+	 */
+	public synchronized String getUndoOrRedoPresentationName() {
+		return null; // TODO
+	} // getUndoOrRedoPresentationName()
+
+	/**
+	 * getUndoPresentationName
+	 * @returns String
+	 */
+	public synchronized String getUndoPresentationName() {
+		return null; // TODO
+	} // getUndoPresentationName()
+
+	/**
+	 * getRedoPresentationName
+	 * @returns String
+	 */
+	public synchronized String getRedoPresentationName() {
+		return null; // TODO
+	} // getRedoPresentationName()
+
+	/**
+	 * undoableEditHappened
+	 * @param value0 TODO
+	 */
+	public void undoableEditHappened(UndoableEditEvent value0) {
+		// TODO
+	} // undoableEditHappened()
+
+
+} // UndoManager
diff --git a/libjava/javax/swing/undo/UndoableEdit.java b/libjava/javax/swing/undo/UndoableEdit.java
new file mode 100644
index 0000000..a5908ef
--- /dev/null
+++ b/libjava/javax/swing/undo/UndoableEdit.java
@@ -0,0 +1,114 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+/**
+ * UndoableEdit interface
+ * @author Andrew Selkirk
+ */
+public interface UndoableEdit {
+
+	/**
+	 * anEdit
+	 * @param anEdit TODO
+	 * @returns TODO
+	 */
+	public boolean addEdit(UndoableEdit anEdit);
+
+	/**
+	 * canRedo
+	 * @returns TODO
+	 */
+	public boolean canRedo();
+
+	/**
+	 * canRedo
+	 * @returns TODO
+	 */
+	public boolean canUndo();
+
+	/**
+	 * die
+	 */
+	public void die();
+
+	/**
+	 * getPresentationName
+	 * @returns TODO
+	 */
+	public String getPresentationName();
+
+	/**
+	 * getRedoPresentationName
+	 * @returns TODO
+	 */
+	public String getRedoPresentationName();
+
+	/**
+	 * getUndoPresentationName
+	 * @returns TODO
+	 */
+	public String getUndoPresentationName();
+
+	/**
+	 * isSignificant
+	 * @returns TODO
+	 */
+	public boolean isSignificant();
+
+	/**
+	 * redo
+	 * @throws CannotRedoException TODO
+	 */
+	public void redo() throws CannotRedoException;
+
+	/**
+	 * replaceEdit
+	 * @param anEdit TODO
+	 * @returns TODO
+	 */
+	public boolean replaceEdit(UndoableEdit anEdit);
+
+	/**
+	 * undo
+	 * @throws CannotUndoException TODO
+	 */
+	public void undo() throws CannotUndoException;
+
+
+} // UndoableEdit
diff --git a/libjava/javax/swing/undo/UndoableEditSupport.java b/libjava/javax/swing/undo/UndoableEditSupport.java
new file mode 100644
index 0000000..6f87398
--- /dev/null
+++ b/libjava/javax/swing/undo/UndoableEditSupport.java
@@ -0,0 +1,170 @@
+/* AbstractTableModel.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.undo;
+
+// Imports
+import java.util.*;
+import javax.swing.event.*;
+
+/**
+ * UndoableEditSupport
+ * @author	Andrew Selkirk
+ */
+public class UndoableEditSupport {
+
+	//-------------------------------------------------------------
+	// Variables --------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * updateLevel
+	 */
+	protected int updateLevel;
+
+	/**
+	 * compoundEdit
+	 */
+	protected CompoundEdit compoundEdit;
+
+	/**
+	 * listeners
+	 */
+	protected Vector listeners = new Vector();
+
+	/**
+	 * realSource
+	 */
+	protected Object realSource;
+
+
+	//-------------------------------------------------------------
+	// Initialization ---------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * Constructor UndoableEditSupport
+	 */
+	public UndoableEditSupport() {
+		// TODO
+	} // UndoableEditSupport()
+
+	/**
+	 * Constructor UndoableEditSupport
+	 * @param object TODO
+	 */
+	public UndoableEditSupport(Object object) {
+		realSource = object;
+	} // UndoableEditSupport()
+
+
+	//-------------------------------------------------------------
+	// Methods ----------------------------------------------------
+	//-------------------------------------------------------------
+
+	/**
+	 * toString
+	 * @returns String
+	 */
+	public String toString() {
+		return null; // TODO
+	} // toString()
+
+	/**
+	 * addUndoableEditListener
+	 * @param value0 TODO
+	 */
+	public synchronized void addUndoableEditListener(UndoableEditListener value0) {
+		// TODO
+	} // addUndoableEditListener()
+
+	/**
+	 * removeUndoableEditListener
+	 * @param value0 TODO
+	 */
+	public synchronized void removeUndoableEditListener(UndoableEditListener value0) {
+		// TODO
+	} // removeUndoableEditListener()
+
+	/**
+	 * _postEdit
+	 * @param value0 TODO
+	 */
+	protected void _postEdit(UndoableEdit value0) {
+		// TODO
+	} // _postEdit()
+
+	/**
+	 * postEdit
+	 * @param value0 TODO
+	 */
+	public synchronized void postEdit(UndoableEdit value0) {
+		// TODO
+	} // postEdit()
+
+	/**
+	 * getUpdateLevel
+	 * @returns int
+	 */
+	public int getUpdateLevel() {
+		return 0; // TODO
+	} // getUpdateLevel()
+
+	/**
+	 * beginUpdate
+	 */
+	public synchronized void beginUpdate() {
+		// TODO
+	} // beginUpdate()
+
+	/**
+	 * createCompoundEdit
+	 * @returns CompoundEdit
+	 */
+	protected CompoundEdit createCompoundEdit() {
+		return null; // TODO
+	} // createCompoundEdit()
+
+	/**
+	 * endUpdate
+	 */
+	public synchronized void endUpdate() {
+		// TODO
+	} // endUpdate()
+
+
+} // UndoableEditSupport