1 files changed, 48 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/DefaultActionFilter.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/DefaultActionFilter.java
new file mode 100644
index 0000000000..73cf14efd1
--- /dev/null
+++ b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/DefaultActionFilter.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ */
+package org.eclipse.net4j.util.ui;
+
+import org.eclipse.net4j.util.ObjectUtil;
+import org.eclipse.net4j.util.properties.IPropertyProvider;
+import org.eclipse.net4j.util.properties.Property;
+
+import org.eclipse.ui.IActionFilter;
+
+/**
+ * @author Eike Stepper
+ * @since 3.4
+ */
+public class DefaultActionFilter<RECEIVER> implements IActionFilter
+{
+  private IPropertyProvider<RECEIVER> provider;
+
+  public DefaultActionFilter(IPropertyProvider<RECEIVER> provider)
+  {
+    this.provider = provider;
+  }
+
+  public boolean testAttribute(Object target, String name, String value)
+  {
+    for (Property<RECEIVER> property : provider.getProperties())
+    {
+      if (property.getName().equals(name))
+      {
+        @SuppressWarnings("unchecked")
+        RECEIVER receiver = (RECEIVER)target;
+
+        Object actualValue = property.getValue(receiver);
+        return ObjectUtil.equals(value, actualValue);
+      }
+    }
+
+    return false;
+  }
+}