Observer implementation

1 files changed, 40 insertions, 0 deletions

diff --git a/java/src/IceGrid/CellRenderer.java b/java/src/IceGrid/CellRenderer.java
new file mode 100755
index 00000000000..e8208157968
--- /dev/null
+++ b/java/src/IceGrid/CellRenderer.java
@@ -0,0 +1,40 @@
+// **********************************************************************

+//

+// 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;

+

+import java.awt.Component;

+import javax.swing.JTree;

+import javax.swing.tree.TreeCellRenderer;

+import javax.swing.tree.DefaultTreeCellRenderer;

+

+class CellRenderer implements TreeCellRenderer

+{

+    public Component getTreeCellRendererComponent(

+	JTree tree,

+	Object value,

+	boolean sel,

+	boolean expanded,

+	boolean leaf,

+	int row,

+	boolean hasFocus) 

+    {

+	TreeCellRenderer node = (TreeCellRenderer)value;

+	Component result = node.getTreeCellRendererComponent(

+	    tree, value, sel, expanded, leaf, row, hasFocus);

+

+	if(result == null)

+	{

+	    result = _defaultRenderer.getTreeCellRendererComponent(

+		tree, value, sel, expanded, leaf, row, hasFocus);

+	}

+	return result;

+    }

+

+    private TreeCellRenderer _defaultRenderer = new DefaultTreeCellRenderer();

+}