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1
4 package org.terracotta.dso.editors.xml;
5
6 import org.eclipse.jface.text.BadLocationException;
7 import org.eclipse.jface.text.IDocument;
8 import org.eclipse.jface.text.ITextDoubleClickStrategy;
9 import org.eclipse.jface.text.ITextViewer;
10
11 public class XMLDoubleClickStrategy implements ITextDoubleClickStrategy {
12 protected ITextViewer fText;
13
14 public void doubleClicked(ITextViewer part) {
15 int pos = part.getSelectedRange().x;
16
17 if (pos < 0)
18 return;
19
20 fText = part;
21
22 if (!selectComment(pos)) {
23 selectWord(pos);
24 }
25 }
26 protected boolean selectComment(int caretPos) {
27 IDocument doc = fText.getDocument();
28 int startPos, endPos;
29
30 try {
31 int pos = caretPos;
32 char c = ' ';
33
34 while (pos >= 0) {
35 c = doc.getChar(pos);
36 if (c == '\\') {
37 pos -= 2;
38 continue;
39 }
40 if (c == Character.LINE_SEPARATOR || c == '\"')
41 break;
42 --pos;
43 }
44
45 if (c != '\"')
46 return false;
47
48 startPos = pos;
49
50 pos = caretPos;
51 int length = doc.getLength();
52 c = ' ';
53
54 while (pos < length) {
55 c = doc.getChar(pos);
56 if (c == Character.LINE_SEPARATOR || c == '\"')
57 break;
58 ++pos;
59 }
60 if (c != '\"')
61 return false;
62
63 endPos = pos;
64
65 int offset = startPos + 1;
66 int len = endPos - offset;
67 fText.setSelectedRange(offset, len);
68 return true;
69 } catch (BadLocationException x) {}
70
71 return false;
72 }
73 protected boolean selectWord(int caretPos) {
74
75 IDocument doc = fText.getDocument();
76 int startPos, endPos;
77
78 try {
79
80 int pos = caretPos;
81 char c;
82
83 while (pos >= 0) {
84 c = doc.getChar(pos);
85 if (!Character.isJavaIdentifierPart(c))
86 break;
87 --pos;
88 }
89
90 startPos = pos;
91
92 pos = caretPos;
93 int length = doc.getLength();
94
95 while (pos < length) {
96 c = doc.getChar(pos);
97 if (!Character.isJavaIdentifierPart(c))
98 break;
99 ++pos;
100 }
101
102 endPos = pos;
103 selectRange(startPos, endPos);
104 return true;
105
106 } catch (BadLocationException x) {}
107
108 return false;
109 }
110
111 private void selectRange(int startPos, int stopPos) {
112 int offset = startPos + 1;
113 int length = stopPos - offset;
114 fText.setSelectedRange(offset, length);
115 }
116 } |
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