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1
11 package org.eclipse.jdt.internal.ui.refactoring.nls;
12
13 import java.util.List  ;
14
15 import org.eclipse.swt.widgets.Composite;
16 import org.eclipse.swt.widgets.Control;
17 import org.eclipse.swt.widgets.Shell;
18
19 import org.eclipse.jface.dialogs.StatusDialog;
20
21 import org.eclipse.jdt.internal.corext.refactoring.nls.NLSSubstitution;
22 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
23 import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;
24
25
28 public class RenameKeysDialog extends StatusDialog {
29
30 private StringDialogField fNameField;
31 private List fSelectedSubstitutions;
32 private int fCommonPrefixLength;
33
34
37 public RenameKeysDialog(Shell parent, List selectedSubstitutions) {
38 super(parent);
39 setTitle(NLSUIMessages.RenameKeysDialog_title);
40
41 fSelectedSubstitutions= selectedSubstitutions;
42 String prefix= getInitialPrefix(selectedSubstitutions);
43 fCommonPrefixLength= prefix.length();
44
45 fNameField= new StringDialogField();
46 fNameField.setText(prefix);
47
48 if (prefix.length() == 0) {
49 fNameField.setLabelText(NLSUIMessages.RenameKeysDialog_description_noprefix);
50 } else {
51 fNameField.setLabelText(NLSUIMessages.RenameKeysDialog_description_withprefix + prefix + ':');
52 }
53 }
54
55
58 protected Control createDialogArea(Composite parent) {
59 Composite composite= (Composite) super.createDialogArea(parent);
60
61 fNameField.doFillIntoGrid(composite, 2);
62 LayoutUtil.setHorizontalGrabbing(fNameField.getTextControl(null));
63 return composite;
64 }
65
66
69 protected void okPressed() {
70 String prefix= fNameField.getText();
71 for (int i= 0; i < fSelectedSubstitutions.size(); i++) {
72 NLSSubstitution sub= (NLSSubstitution) fSelectedSubstitutions.get(i);
73 String newKey= prefix + sub.getKey().substring(fCommonPrefixLength);
74 sub.setKey(newKey);
75 }
76 super.okPressed();
77 }
78
79 private String getInitialPrefix(List selectedSubstitutions) {
80 String prefix= null;
81 for (int i= 0; i < selectedSubstitutions.size(); i++) {
82 NLSSubstitution sub= (NLSSubstitution) selectedSubstitutions.get(i);
83 String curr= sub.getKey();
84 if (prefix == null) {
85 prefix= curr;
86 } else if (!curr.startsWith(prefix)) {
87 prefix= getCommonPrefix(prefix, curr);
88 if (prefix.length() == 0) {
89 return prefix;
90 }
91 }
92 }
93 return prefix;
94 }
95
96 private String getCommonPrefix(String a, String b) {
97 String shorter= a.length() <= b.length() ? a : b;
98 int len= shorter.length();
99 for (int i= 0; i < len; i++) {
100 if (a.charAt(i) != b.charAt(i)) {
101 return a.substring(0, i);
102 }
103 }
104 return shorter;
105 }
106
107
108 }
109 |
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