[DL-Learner SVN] SF.net SVN: dl-learner: [703] trunk/src/dl-learner/org/dllearner/gui/ TreeWindow.java

[<ton...@us...>]

Revision: 703
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=703&view=rev
Author:   tonytacker
Date:     2008-03-11 19:45:28 -0700 (Tue, 11 Mar 2008)

Log Message:
-----------
fix

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/gui/TreeWindow.java

Modified: trunk/src/dl-learner/org/dllearner/gui/TreeWindow.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/gui/TreeWindow.java	2008-03-12 01:48:07 UTC (rev 702)
+++ trunk/src/dl-learner/org/dllearner/gui/TreeWindow.java	2008-03-12 02:45:28 UTC (rev 703)
@@ -55,10 +55,14 @@
 			for (int leaf = 1; leaf < 4; leaf++)
 				node.add(new DefaultMutableTreeNode("leaf " + (knot * 3 + leaf)));
 		}
-
-		ExampleBasedNode rootNode = config.getLearningAlgorithm().getStartNode();
-		EBNodeTreeModel root = new EBNodeTreeModel(rootNode);
 		
+		// tree model
+		EBNodeTreeModel root = null;
+		if (config.getLearningAlgorithm() != null) {
+			ExampleBasedNode rootNode = config.getLearningAlgorithm().getStartNode();
+			root = new EBNodeTreeModel(rootNode);
+		}
+		
 		// show tree
 		if (root != null) {
 			JTree tree = new JTree(root);


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