Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/MultiValidator.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/MultiValidator.java
new file mode 100644 (file)
index 0000000..dc985a6
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/MultiValidator.java
@@ -0,0 +1,65 @@
+/*******************************************************************************\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
+/**\r
+ * Validator Multiplexer. Allows to combine multiple validators\r
+ * \r
+ */\r
+public class MultiValidator implements IInputValidator {\r
+\r
+    private final IInputValidator validators[];\r
+\r
+    private final AcceptType acceptType;\r
+\r
+    public enum AcceptType {\r
+        ALL_MUST_PASS, ONE_MUST_PASS\r
+    };\r
+\r
+    public MultiValidator(IInputValidator validators[], AcceptType acceptType) {\r
+        this.acceptType = acceptType;\r
+        this.validators = new IInputValidator[validators.length];\r
+        for (int i = 0; i < validators.length; i++)\r
+            this.validators[i] = validators[i];\r
+    }\r
+\r
+    public String isValid(String newText) {\r
+        if (acceptType == AcceptType.ALL_MUST_PASS) {\r
+            for (int i = 0; i < validators.length; i++) {\r
+                String result = validators[i].isValid(newText);\r
+                if (result != null)\r
+                    return result;\r
+            }\r
+            return null;\r
+        }\r
+        \r
+        if (acceptType == AcceptType.ONE_MUST_PASS) {\r
+            String error = null;\r
+            for (int i = 0; i < validators.length; i++) {\r
+                String result = validators[i].isValid(newText);                \r
+                if (result != null)\r
+                    error = result;\r
+                else\r
+                    return null;\r
+            }\r
+            return error;\r
+        }\r
+        return null;\r
+    }\r
+\r
+}\r