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1   /*
2    * *************************************************************************************************************************************************************
3    *
4    * SteelBlue: DCI User Interfaces
5    * http://tidalwave.it/projects/steelblue
6    *
7    * Copyright (C) 2015 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
8    *
9    * *************************************************************************************************************************************************************
10   *
11   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12   * You may obtain a copy of the License at
13   *
14   *     http://www.apache.org/licenses/LICENSE-2.0
15   *
16   * 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
17   * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
18   *
19   * *************************************************************************************************************************************************************
20   *
21   * git clone https://bitbucket.org/tidalwave/steelblue-src
22   * git clone https://github.com/tidalwave-it/steelblue-src
23   *
24   * *************************************************************************************************************************************************************
25   */
26  package it.tidalwave.role.ui.spi;
27  
28  import javax.annotation.Nonnull;
29  import java.util.stream.Stream;
30  import it.tidalwave.util.As;
31  import it.tidalwave.role.ui.ToolBarModel;
32  import it.tidalwave.role.ui.UserAction;
33  import lombok.experimental.Delegate;
34  import static it.tidalwave.role.ui.UserActionProvider._UserActionProvider_;
35  
36  /***************************************************************************************************************************************************************
37   *
38   * A support implementation for {@link ToolBarModel}.
39   *
40   * @author  Fabrizio Giudici
41   *
42   **************************************************************************************************************************************************************/
43  public abstract class ToolBarModelSupport implements ToolBarModel
44    {
45      @Delegate
46      private final As as = As.forObject(this);
47  
48      /***********************************************************************************************************************************************************
49       * Finds the {@link UserAction} instances to be bound to toolbar buttons.
50       *
51       * @return  the user actions
52       **********************************************************************************************************************************************************/
53      @Nonnull
54      protected Stream<? extends UserAction> findToolBarUserActions()
55        {
56          return maybeAs(_UserActionProvider_).map(uap -> uap.getActions().stream()).orElse(Stream.empty());
57        }
58    }