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Method: getRenderableString(Object)

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 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/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.thesefoolishthings.examples.dci.swing.swing;
27:
28: import javax.annotation.Nonnegative;
29: import javax.annotation.Nonnull;
30: import java.awt.Component;
31: import javax.swing.DefaultListCellRenderer;
32: import javax.swing.JList;
33: import it.tidalwave.util.AsException;
34: import it.tidalwave.util.AsExtensions;
35: import it.tidalwave.role.HtmlRenderable;
36: import lombok.RequiredArgsConstructor;
37: import lombok.experimental.ExtensionMethod;
38: import static it.tidalwave.role.HtmlRenderable._HtmlRenderable_;
39:
40: /***************************************************************************************************************************************************************
41: *
42: * A specialization of {@link javax.swing.DefaultListCellRenderer} that uses {@link HtmlRenderable} for rendering items.
43: *
44: * @author Fabrizio Giudici
45: *
46: **************************************************************************************************************************************************************/
47: @RequiredArgsConstructor
48: @ExtensionMethod(AsExtensions.class)
49: public class HtmlRenderableListCellRenderer extends DefaultListCellRenderer
50: {
51: @Override @Nonnull
52: public Component getListCellRendererComponent (@Nonnull final JList list,
53: @Nonnull final Object value,
54: @Nonnegative final int index,
55: final boolean isSelected,
56: final boolean cellHasFocus)
57: {
58: return super.getListCellRendererComponent(list, getRenderableString(value), index, isSelected, cellHasFocus);
59: }
60:
61: @Nonnull
62: private static String getRenderableString (@Nonnull final Object value)
63: {
64: try
65: {
66: final var builder = new StringBuilder("<html>");
67: value.as(_HtmlRenderable_).renderTo(builder);
68: return builder.append("</html>").toString();
69: }
70: catch (AsException e)
71: {
72: return value.toString();
73: }
74: }
75: }