Visible.java
- /*
- * *********************************************************************************************************************
- *
- * TheseFoolishThings: Miscellaneous utilities
- * http://tidalwave.it/projects/thesefoolishthings
- *
- * Copyright (C) 2009 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *********************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * *********************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
- * git clone https://github.com/tidalwave-it/thesefoolishthings-src
- *
- * *********************************************************************************************************************
- */
- package it.tidalwave.role.ui;
- /***********************************************************************************************************************
- *
- * The role of an object that can be visible or not.
- *
- * @stereotype Role
- * @author Fabrizio Giudici
- * @since 3.2-ALPHA-7
- *
- **********************************************************************************************************************/
- @FunctionalInterface
- public interface Visible
- {
- public static final Class<Visible> _Visible_ = Visible.class;
- /*******************************************************************************************************************
- *
- * A role that is always visible.
- *
- ******************************************************************************************************************/
- public static final Visible VISIBLE = () -> true;
- /*******************************************************************************************************************
- *
- * A role that is always invisible.
- *
- ******************************************************************************************************************/
- public static final Visible INVISIBLE = () -> false;
- /*******************************************************************************************************************
- *
- * Returns the current visibility status.
- *
- * @return {@code true} if the object is visible
- *
- ******************************************************************************************************************/
- @SuppressWarnings("UnusedReturnValue")
- public boolean isVisible();
- }