Pv-tango improvment and corrections

core/pv-tango/.gitignore

@@ -0,0 +1,2 @@
+/.project
+/.classpath

core/pv-tango/src/main/java/org/phoebus/pv/tango/AdvancedEnumDisplay.java

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+package org.phoebus.pv.tango;
+
+import java.util.List;
+
+import org.epics.vtype.Display;
+import org.epics.vtype.DisplayProvider;
+import org.epics.vtype.EnumDisplay;
+
+public class AdvancedEnumDisplay extends EnumDisplay implements DisplayProvider {
+
+    private EnumDisplay source ;
+    private Display display ;
+
+    private AdvancedEnumDisplay(Display display,EnumDisplay source) {
+        this.source = source;
+        this.display = display;
+    }
+
+    @Override
+    public List<String> getChoices() {
+        return source != null ? source.getChoices() : null;
+    }
+
+    @Override
+    public Display getDisplay() {
+        return display;
+    }
+
+
+    /**
+     * New EnumDisplay with the given choices.
+     * 
+     * @param choices the enum choices
+     * @return the new display
+     */
+    public static EnumDisplay of(final Display display, final String... choices) {
+        EnumDisplay enumDisp = choices != null ? EnumDisplay.of(choices) : null;
+        return new AdvancedEnumDisplay(display,enumDisp);
+    }
+
+
+
+}