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Package: HtmlRenderableListCellRenderer

HtmlRenderableListCellRenderer

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getListCellRendererComponent(JList, Object, int, boolean, boolean)
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getRenderableString(Object)
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Coverage

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 lombok.RequiredArgsConstructor;
36: import lombok.experimental.ExtensionMethod;
37: import static it.tidalwave.thesefoolishthings.examples.dci.swing.role.HtmlRenderable._HtmlRenderable_;
38:
39: /***************************************************************************************************************************************************************
40: *
41: * A specialization of {@link javax.swing.DefaultListCellRenderer} that uses {@link HtmlRenderable} for rendering items.
42: *
43: * @author Fabrizio Giudici
44: *
45: **************************************************************************************************************************************************************/
46: @RequiredArgsConstructor
47: @ExtensionMethod(AsExtensions.class)
48: public class HtmlRenderableListCellRenderer extends DefaultListCellRenderer
49: {
50: @Override @Nonnull
51: public Component getListCellRendererComponent (@Nonnull final JList list,
52: @Nonnull final Object value,
53: @Nonnegative final int index,
54: final boolean isSelected,
55: final boolean cellHasFocus)
56: {
57: return super.getListCellRendererComponent(list, getRenderableString(value), index, isSelected, cellHasFocus);
58: }
59:
60: @Nonnull
61: private static String getRenderableString (@Nonnull final Object value)
62: {
63: try
64: {
65: final var builder = new StringBuilder();
66: value.as(_HtmlRenderable_).renderTo("<html>%s</<html>", builder::append);
67: return builder.toString();
68: }
69: catch (AsException e)
70: {
71: return value.toString();
72: }
73: }
74: }