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1
11 package org.eclipse.jdt.internal.ui.refactoring.reorg;
12
13 import org.eclipse.core.runtime.Assert;
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.core.runtime.IStatus;
16 import org.eclipse.core.runtime.OperationCanceledException;
17
18 import org.eclipse.core.resources.IResource;
19
20 import org.eclipse.jdt.core.ICompilationUnit;
21 import org.eclipse.jdt.core.IJavaElement;
22 import org.eclipse.jdt.core.IPackageFragment;
23 import org.eclipse.jdt.core.IPackageFragmentRoot;
24 import org.eclipse.jdt.core.JavaConventions;
25 import org.eclipse.jdt.core.JavaCore;
26
27 import org.eclipse.swt.widgets.Composite;
28 import org.eclipse.swt.widgets.Control;
29 import org.eclipse.swt.widgets.Shell;
30
31 import org.eclipse.jface.dialogs.IInputValidator;
32 import org.eclipse.jface.dialogs.InputDialog;
33 import org.eclipse.jface.window.Window;
34 import org.eclipse.jface.wizard.Wizard;
35
36 import org.eclipse.jdt.internal.corext.refactoring.Checks;
37 import org.eclipse.jdt.internal.corext.refactoring.rename.RenamePackageProcessor;
38 import org.eclipse.jdt.internal.corext.refactoring.reorg.INewNameQueries;
39 import org.eclipse.jdt.internal.corext.refactoring.reorg.INewNameQuery;
40 import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
41 import org.eclipse.jdt.internal.corext.util.Messages;
42
43 import org.eclipse.jdt.internal.ui.JavaPlugin;
44 import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
45
46 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
47
48 public class NewNameQueries implements INewNameQueries {
49
50 private static final String  INVALID_NAME_NO_MESSAGE= ""; private final Wizard fWizard;
52 private final Shell fShell;
53
54 public NewNameQueries() {
55 fShell= null;
56 fWizard= null;
57 }
58
59 public NewNameQueries(Wizard wizard) {
60 fWizard= wizard;
61 fShell= null;
62 }
63
64 public NewNameQueries(Shell shell) {
65 fShell = shell;
66 fWizard= null;
67 }
68
69 private Shell getShell() {
70 Assert.isTrue(fWizard == null || fShell == null);
71 if (fWizard != null)
72 return fWizard.getContainer().getShell();
73
74 if (fShell != null)
75 return fShell;
76 return JavaPlugin.getActiveWorkbenchShell();
77 }
78
79 public INewNameQuery createNewCompilationUnitNameQuery(ICompilationUnit cu, String initialSuggestedName) {
80 String [] keys= {JavaCore.removeJavaLikeExtension(cu.getElementName())};
81 String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
82 return createStaticQuery(createCompilationUnitNameValidator(cu), message, initialSuggestedName, getShell());
83 }
84
85
86 public INewNameQuery createNewResourceNameQuery(IResource res, String initialSuggestedName) {
87 String [] keys= {res.getName()};
88 String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
89 return createStaticQuery(createResourceNameValidator(res), message, initialSuggestedName, getShell());
90 }
91
92
93 public INewNameQuery createNewPackageNameQuery(IPackageFragment pack, String initialSuggestedName) {
94 String [] keys= {pack.getElementName()};
95 String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
96 return createStaticQuery(createPackageNameValidator(pack), message, initialSuggestedName, getShell());
97 }
98
99 public INewNameQuery createNewPackageFragmentRootNameQuery(IPackageFragmentRoot root, String initialSuggestedName) {
100 String [] keys= {root.getElementName()};
101 String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
102 return createStaticQuery(createPackageFragmentRootNameValidator(root), message, initialSuggestedName, getShell());
103 }
104
105
106 public INewNameQuery createNullQuery(){
107 return createStaticQuery(null);
108 }
109
110
111 public INewNameQuery createStaticQuery(final String newName){
112 return new INewNameQuery(){
113 public String getNewName() {
114 return newName;
115 }
116 };
117 }
118
119 private static INewNameQuery createStaticQuery(final IInputValidator validator, final String message, final String initial, final Shell shell){
120 return new INewNameQuery(){
121 public String getNewName() throws OperationCanceledException {
122 InputDialog dialog= new InputDialog(shell, ReorgMessages.ReorgQueries_nameConflictMessage, message, initial, validator) {
123
126 protected Control createDialogArea(Composite parent) {
127 Control area= super.createDialogArea(parent);
128 TextFieldNavigationHandler.install(getText());
129 return area;
130 }
131 };
132 if (dialog.open() == Window.CANCEL)
133 throw new OperationCanceledException();
134 return dialog.getValue();
135 }
136 };
137 }
138
139 private static IInputValidator createResourceNameValidator(final IResource res){
140 IInputValidator validator= new IInputValidator(){
141 public String isValid(String newText) {
142 if (newText == null || "".equals(newText) || res.getParent() == null) return INVALID_NAME_NO_MESSAGE;
144 if (res.getParent().findMember(newText) != null)
145 return ReorgMessages.ReorgQueries_resourceWithThisNameAlreadyExists;
146 if (! res.getParent().getFullPath().isValidSegment(newText))
147 return ReorgMessages.ReorgQueries_invalidNameMessage;
148 IStatus status= res.getParent().getWorkspace().validateName(newText, res.getType());
149 if (status.getSeverity() == IStatus.ERROR)
150 return status.getMessage();
151
152 if (res.getName().equalsIgnoreCase(newText))
153 return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
154
155 return null;
156 }
157 };
158 return validator;
159 }
160
161 private static IInputValidator createCompilationUnitNameValidator(final ICompilationUnit cu) {
162 IInputValidator validator= new IInputValidator(){
163 public String isValid(String newText) {
164 if (newText == null || "".equals(newText)) return INVALID_NAME_NO_MESSAGE;
166 String newCuName= JavaModelUtil.getRenamedCUName(cu, newText);
167 IStatus status= JavaConventions.validateCompilationUnitName(newCuName);
168 if (status.getSeverity() == IStatus.ERROR)
169 return status.getMessage();
170 RefactoringStatus refStatus;
171 refStatus= Checks.checkCompilationUnitNewName(cu, newText);
172 if (refStatus.hasFatalError())
173 return refStatus.getMessageMatchingSeverity(RefactoringStatus.FATAL);
174
175 if (cu.getElementName().equalsIgnoreCase(newCuName))
176 return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
177
178 return null;
179 }
180 };
181 return validator;
182 }
183
184
185 private static IInputValidator createPackageFragmentRootNameValidator(final IPackageFragmentRoot root) {
186 return new IInputValidator() {
187 IInputValidator resourceNameValidator= createResourceNameValidator(root.getResource());
188 public String isValid(String newText) {
189 return resourceNameValidator.isValid(newText);
190 }
191 };
192 }
193
194 private static IInputValidator createPackageNameValidator(final IPackageFragment pack) {
195 IInputValidator validator= new IInputValidator(){
196 public String isValid(String newText) {
197 if (newText == null || "".equals(newText)) return INVALID_NAME_NO_MESSAGE;
199 IStatus status= JavaConventions.validatePackageName(newText);
200 if (status.getSeverity() == IStatus.ERROR)
201 return status.getMessage();
202
203 IJavaElement parent= pack.getParent();
204 try {
205 if (parent instanceof IPackageFragmentRoot){
206 if (! RenamePackageProcessor.isPackageNameOkInRoot(newText, (IPackageFragmentRoot)parent))
207 return ReorgMessages.ReorgQueries_packagewithThatNameexistsMassage;
208 }
209 } catch (CoreException e) {
210 return INVALID_NAME_NO_MESSAGE;
211 }
212 if (pack.getElementName().equalsIgnoreCase(newText))
213 return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
214
215 return null;
216 }
217 };
218 return validator;
219 }
220 }
221 |
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