Visibility.java
- /*
- * *************************************************************************************************************************************************************
- *
- * SteelBlue: DCI User Interfaces
- * http://tidalwave.it/projects/steelblue
- *
- * Copyright (C) 2015 - 2025 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/steelblue-src
- * git clone https://github.com/tidalwave-it/steelblue-src
- *
- * *************************************************************************************************************************************************************
- */
- package it.tidalwave.ui.core.role;
- /***************************************************************************************************************************************************************
- *
- * The role of an object that can be visible or not.
- *
- * @stereotype Role
- * @since 2.0-ALPHA-1
- * @author Fabrizio Giudici
- *
- **************************************************************************************************************************************************************/
- @FunctionalInterface
- public interface Visibility
- {
- public static final Class<Visibility> _Visible_ = Visibility.class;
- /***********************************************************************************************************************************************************
- * A role that is always visible.
- **********************************************************************************************************************************************************/
- public static final Visibility VISIBLE = () -> true;
- /***********************************************************************************************************************************************************
- * A role that is always invisible.
- **********************************************************************************************************************************************************/
- public static final Visibility INVISIBLE = () -> false;
- /***********************************************************************************************************************************************************
- * Returns the current visibility status.
- *
- * @return {@code true} if the object is visible
- **********************************************************************************************************************************************************/
- @SuppressWarnings("UnusedReturnValue")
- public boolean isVisible();
- }