Initial revision

From-SVN: r102074

libjava/classpath/javax/swing/event/TreeSelectionEvent.java

@@ -0,0 +1,199 @@
+/* TreeSelectionEvent.java --
+   Copyright (C) 2002, 2004, 2005 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.event;
+
+import java.util.EventObject;
+
+import javax.swing.tree.TreePath;
+
+/**
+ * TreeSelectionEvent
+ * @author Andrew Selkirk
+ * @version	1.0
+ */
+public class TreeSelectionEvent extends EventObject {
+
+  //-------------------------------------------------------------
+  // Variables --------------------------------------------------
+  //-------------------------------------------------------------
+
+  /**
+   * paths
+   */
+  protected TreePath[] paths;
+
+  /**
+   * areNew
+   */
+  protected boolean[] areNew;
+
+  /**
+   * oldLeadSelectionPath
+   */
+  protected TreePath oldLeadSelectionPath;
+
+  /**
+   * newLeadSelectionPath
+   */
+  protected TreePath newLeadSelectionPath;
+
+
+  //-------------------------------------------------------------
+  // Initialization ---------------------------------------------
+  //-------------------------------------------------------------
+
+  /**
+   * Constructor TreeSelectionEvent
+   * @param source TODO
+   * @param paths TODO
+   * @param areNew TODO
+   * @param oldLeadSelectionPath TODO
+   * @param newLeadSelectionPath TODO
+   */
+  public TreeSelectionEvent(Object source, TreePath[] paths,
+			    boolean[] areNew, TreePath oldLeadSelectionPath,
+			    TreePath newLeadSelectionPath)
+  {
+    super(source);
+    this.paths					= paths;
+    this.areNew					= areNew;
+    this.oldLeadSelectionPath	= oldLeadSelectionPath;
+    this.newLeadSelectionPath	= newLeadSelectionPath;
+  } // TreeSelectionEvent()
+
+  /**
+   * Constructor TreeSelectionEvent
+   * @param source TODO
+   * @param paths TODO
+   * @param areNew TODO
+   * @param oldLeadSelectionPath TODO
+   * @param newLeadSelectionPath TODO
+   */
+  public TreeSelectionEvent(Object source, TreePath path,
+			    boolean isNew, TreePath oldLeadSelectionPath,
+			    TreePath newLeadSelectionPath)
+  {
+    super(source);
+    this.paths = new TreePath[]{path};
+    this.areNew = new boolean[]{isNew};
+    this.oldLeadSelectionPath	= oldLeadSelectionPath;
+    this.newLeadSelectionPath	= newLeadSelectionPath;
+  } // TreeSelectionEvent()
+
+
+  //-------------------------------------------------------------
+  // Methods ----------------------------------------------------
+  //-------------------------------------------------------------
+
+  /**
+   * @returns the first path element
+   */
+  public TreePath getPath()
+  {
+    return paths[0];
+  } // getPath()
+
+  /**
+   * 
+   * @returns the paths with selection changed
+   */
+  public TreePath[] getPaths()
+  {
+    return (TreePath[]) paths.clone();
+  } // getPaths()
+
+  /**
+   * @return true if the first path is added to the selection, false otherwise
+   */
+  public boolean isAddedPath()
+  {
+    return areNew[0];
+  } // isAddedPath()
+
+  /**
+   * @param path the path to check
+   * @return true if the path is added to the selection, false otherwise
+   */
+  public boolean isAddedPath(TreePath path)
+  {
+    for (int i = paths.length - 1; i >= 0; i--)
+      if (paths[i].equals(path))
+	return areNew[i];
+
+    return false;
+  } // isAddedPath()
+
+  /**
+   * @param index the index'th path
+   * @return true if the path is added to the selection, false otherwise
+   */
+  public boolean isAddedPath(int index)
+  {
+    return areNew[index];
+  } // isAddedPath()
+
+  /**
+   * @return the previous lead selection path
+   */
+  public TreePath getOldLeadSelectionPath()
+  {
+    return oldLeadSelectionPath;
+  } // getOldLeadSelectionPath()
+
+  /**
+   * @returns the current lead selection path
+   */
+  public TreePath getNewLeadSelectionPath()
+  {
+    return newLeadSelectionPath;
+  } // getNewLeadSelectionPath()
+
+  /**
+   * @param source the new event source
+   * @return a cloned event with another event source
+   */
+  public Object cloneWithSource(Object source)
+  {
+    return new TreeSelectionEvent (source, paths, areNew,
+				   oldLeadSelectionPath,
+				   newLeadSelectionPath);
+  } // cloneWithSource()
+
+
+} // TreeSelectionEvent