Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.ui / src / org / simantics / utils / ui / validators / EmptyValidator.java

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/EmptyValidator.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/EmptyValidator.java
new file mode 100644 (file)
index 0000000..0676a47
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/EmptyValidator.java
@@ -0,0 +1,32 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ * Created on 6.10.2005\r
+ * @author Toni Kalajainen \r
+ */\r
+package org.simantics.utils.ui.validators;\r
+\r
+import org.eclipse.jface.dialogs.IInputValidator;\r
+\r
+public class EmptyValidator implements IInputValidator {\r
+\r
+    public static EmptyValidator EMPTY_VALIDATOR = new EmptyValidator();\r
+    \r
+    public EmptyValidator() {\r
+    }\r
+\r
+    public String isValid(String newText) {\r
+        if (newText==null || newText.equals("")) return null;\r
+        return "Must be null";\r
+    }\r
+\r
+}\r