Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.model / src / org / simantics / browsing / ui / model / modifiers / NoModifierRule.java

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java
new file mode 100644 (file)
index 0000000..8022fdb
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java
@@ -0,0 +1,65 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 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
+package org.simantics.browsing.ui.model.modifiers;\r
+\r
+import org.simantics.browsing.ui.content.Labeler.Modifier;\r
+import org.simantics.browsing.ui.model.browsecontexts.BrowseContext;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public enum NoModifierRule implements ModifierRule {\r
+\r
+    INSTANCE;\r
+\r
+    /**\r
+     * This modifier is fixed to indicate that there shall be no modifier. It is\r
+     * processed in\r
+     * {@link BrowseContext#getModifier(ReadGraph, org.simantics.browsing.ui.NodeContext, String)}\r
+     * .\r
+     */\r
+    public static Modifier NO_MODIFIER = new Modifier() {\r
+        @Override\r
+        public String getValue() {\r
+            throw new UnsupportedOperationException();\r
+        }\r
+        @Override\r
+        public String isValid(String label) {\r
+            throw new UnsupportedOperationException();\r
+        }\r
+        @Override\r
+        public void modify(String label) {\r
+            throw new UnsupportedOperationException();\r
+        }\r
+    };\r
+\r
+    public static NoModifierRule get() {\r
+        return INSTANCE;\r
+    }\r
+\r
+    /**\r
+     * Compatible with any content type.\r
+     */\r
+    @Override\r
+    public boolean isCompatible(Class<?> contentType) {\r
+        return true;\r
+    }\r
+\r
+    @Override\r
+    public Modifier getModifier(ReadGraph graph, Object content,\r
+            String columnKey) throws DatabaseException {\r
+        return NO_MODIFIER;\r
+    }\r
+\r
+}\r