1 files changed, 98 insertions, 0 deletions
diff --git a/java/src/IceGrid/TreeNode/Editor.java b/java/src/IceGrid/TreeNode/Editor.java
new file mode 100755
index 00000000000..0350b10df55
--- /dev/null
+++ b/java/src/IceGrid/TreeNode/Editor.java
@@ -0,0 +1,98 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+package IceGrid.TreeNode;
+
+import java.awt.event.ActionEvent;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.JButton;
+
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+
+//
+// Base class for all editors
+//
+abstract class Editor
+{
+    protected Editor()
+    {
+	//
+	// _applyButton
+	//
+	AbstractAction apply = new AbstractAction("Apply")
+	    {
+		public void actionPerformed(ActionEvent e) 
+		{
+		    applyUpdate();
+		}
+	    };
+	_applyButton = new JButton(apply);
+
+	//
+	// _discardButton
+	//
+	AbstractAction discard = new AbstractAction("Discard")
+	    {
+		public void actionPerformed(ActionEvent e) 
+		{
+		    discardUpdate();
+		}
+	    };
+	_discardButton = new JButton(discard);
+
+	_updateListener = new DocumentListener() 
+	    {
+		public void changedUpdate(DocumentEvent e)
+		{
+		    updated();
+		}
+		
+		public void insertUpdate(DocumentEvent e)
+		{
+		    updated();
+		}
+		
+		public void removeUpdate(DocumentEvent e)
+		{
+		    updated();
+		}
+	    };
+    }
+    
+    protected void updated()
+    {
+	if(_detectUpdates)
+	{
+	    _applyButton.setEnabled(true);
+	    _discardButton.setEnabled(true);
+	}
+    }
+    
+    protected void detectUpdates(boolean val)
+    {
+	_detectUpdates = val;
+    }
+
+    abstract protected CommonBase getTarget();
+
+    abstract protected void applyUpdate();
+
+    protected void discardUpdate()
+    {
+	getTarget().getModel().refreshDisplay();
+    }
+
+    protected JButton _applyButton;
+    protected JButton _discardButton;
+    protected DocumentListener _updateListener;
+
+    private boolean _detectUpdates = true;   
+}