1 
 2 /*
 3  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.  Oracle designates this
 9  * particular file as subject to the "Classpath" exception as provided
10  * by Oracle in the LICENSE file that accompanied this code.
11  *
12  * This code is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15  * version 2 for more details (a copy is included in the LICENSE file that
16  * accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License version
19  * 2 along with this work; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21  *
22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23  * or visit www.oracle.com if you need additional information or have any
24  * questions.
25  */
26 package hat.tools.textmodel.ui;
27 
28 import hat.tools.textmodel.JavaTextModel;
29 import hat.tools.textmodel.TextModel;
30 
31 import java.awt.Font;
32 import java.awt.Graphics;
33 import java.awt.event.MouseAdapter;
34 import java.awt.event.MouseEvent;
35 import java.util.HashMap;
36 import java.util.List;
37 import java.util.Map;
38 
39 public class JavaTextModelViewer extends TextModelViewer {
40     FuncOpTextModelViewer funcOpTextModelViewer;
41     Map<ElementSpan, List<ElementSpan>> javaToOp = new HashMap<>();
42 
43     static class JavaTextPane extends TextModelViewer.TextViewerPane<JavaTextModelViewer> {
44         public void paintComponent(Graphics g) {
45             super.paintComponent(g);
46         }
47         JavaTextPane(Font font, boolean editable) {
48             super(font, editable);
49         }
50     }
51 
52     @Override
53     public  TextModel createTextModel(String text) {
54         return JavaTextModel.of(styleMapper.jTextPane.getText());
55     }
56 
57 
58     JavaTextModelViewer(TextModel textModel,StyleMapper styleMapper) {
59         super(textModel, styleMapper);
60         final var thisTextViewer = this;
61         ((JavaTextPane) this.styleMapper.jTextPane).setViewer(this);
62         styleMapper.jTextPane.addMouseListener(new MouseAdapter() {
63             @Override
64             public void mouseClicked(MouseEvent e) {
65                 var clickedElement = getElementFromMouseEvent(e);
66                 funcOpTextModelViewer.removeHighlights();
67                 removeHighlights();
68                 if (clickedElement != null) {
69                     var elementsReferencedByClickedElement = javaToOp.keySet().stream()
70                             .filter(fromElementSpan ->
71                                     fromElementSpan.includes(clickedElement.getStartOffset())
72                             ).toList();
73                     if (!elementsReferencedByClickedElement.isEmpty()) {
74                         elementsReferencedByClickedElement.forEach(fromElementSpan -> {
75                             thisTextViewer.highlight(fromElementSpan, javaToOp.get(fromElementSpan));
76                         });
77                     }
78                 }
79             }
80         });
81     }
82 
83 }