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1
11
12 package org.eclipse.jdt.internal.ui.refactoring.sef;
13
14 import java.util.ArrayList  ;
15 import java.util.Iterator ;
16 import java.util.List ;
17
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.events.ModifyEvent;
20 import org.eclipse.swt.events.ModifyListener;
21 import org.eclipse.swt.events.SelectionAdapter;
22 import org.eclipse.swt.events.SelectionEvent;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.Button;
26 import org.eclipse.swt.widgets.Combo;
27 import org.eclipse.swt.widgets.Composite;
28 import org.eclipse.swt.widgets.Control;
29 import org.eclipse.swt.widgets.Label;
30 import org.eclipse.swt.widgets.Text;
31
32 import org.eclipse.jface.dialogs.Dialog;
33 import org.eclipse.jface.dialogs.IDialogSettings;
34
35 import org.eclipse.ui.PlatformUI;
36
37 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
38 import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
39
40 import org.eclipse.jdt.core.Flags;
41 import org.eclipse.jdt.core.IField;
42 import org.eclipse.jdt.core.IMethod;
43 import org.eclipse.jdt.core.JavaModelException;
44
45 import org.eclipse.jdt.internal.corext.refactoring.sef.SelfEncapsulateFieldRefactoring;
46 import org.eclipse.jdt.internal.corext.util.JdtFlags;
47
48 import org.eclipse.jdt.ui.JavaElementLabels;
49
50 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
51 import org.eclipse.jdt.internal.ui.JavaPluginImages;
52 import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
53 import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
54 import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
55
56 public class SelfEncapsulateFieldInputPage extends UserInputWizardPage {
57
58 private SelfEncapsulateFieldRefactoring fRefactoring;
59 private IDialogSettings fSettings;
60 private List fEnablements;
61
62 private static final String GENERATE_JAVADOC= "GenerateJavadoc";
64
65 public SelfEncapsulateFieldInputPage() {
66 super("InputPage"); setDescription(RefactoringMessages.SelfEncapsulateFieldInputPage_description);
68 setImageDescriptor(JavaPluginImages.DESC_WIZBAN_REFACTOR_CU);
69 }
70
71 public void createControl(Composite parent) {
72 fRefactoring= (SelfEncapsulateFieldRefactoring)getRefactoring();
73 fEnablements= new ArrayList ();
74 loadSettings();
75
76 Composite result= new Composite(parent, SWT.NONE);
77 setControl(result);
78 initializeDialogUnits(result);
79
80 GridLayout layout= new GridLayout();
81 layout.numColumns= 3;
82 layout.verticalSpacing= 8;
83 result.setLayout(layout);
84 GridData gd= new GridData(GridData.FILL_HORIZONTAL);
85 gd.widthHint= convertWidthInCharsToPixels(25);
86
87 Label label= new Label(result, SWT.LEAD);
88 label.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_getter_name);
89
90 Text getter= new Text(result, SWT.BORDER);
91 getter.setText(fRefactoring.getGetterName());
92 getter.setLayoutData(gd);
93 TextFieldNavigationHandler.install(getter);
94
95 final Label reUseGetter= new Label(result,SWT.LEAD);
96 GridData getterGD= new GridData();
97 getterGD.widthHint=convertWidthInCharsToPixels(23);
98 reUseGetter.setLayoutData(getterGD);
99 updateUseGetter(reUseGetter);
100 getter.addModifyListener(new ModifyListener() {
101 public void modifyText(ModifyEvent e) {
102 String getterName= ((Text)e.widget).getText();
103 fRefactoring.setGetterName(getterName);
104 updateUseGetter(reUseGetter);
105 processValidation();
106 }
107 });
108
109 if (needsSetter()) {
110 label= new Label(result, SWT.LEAD);
111 label.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_setter_name);
112
113 Text setter= new Text(result, SWT.BORDER);
114 setter.setText(fRefactoring.getSetterName());
115 setter.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
116
117 final Label reUseSetter= new Label(result, SWT.LEAD);
118 GridData setterGD= new GridData();
119 setterGD.widthHint=convertWidthInCharsToPixels(23);
120 reUseSetter.setLayoutData(setterGD);
121 updateUseSetter(reUseSetter);
122 setter.addModifyListener(new ModifyListener() {
123 public void modifyText(ModifyEvent e) {
124 String setterName= ((Text)e.widget).getText();
125 fRefactoring.setSetterName(setterName);
126 updateUseSetter(reUseSetter);
127 processValidation();
128 }
129
130 });
131 TextFieldNavigationHandler.install(setter);
132 }
133
134 createFieldAccessBlock(result);
136
137 label= new Label(result, SWT.LEFT);
138 label.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_insert_after);
139 fEnablements.add(label);
140 final Combo combo= new Combo(result, SWT.READ_ONLY);
141 fillWithPossibleInsertPositions(combo, fRefactoring.getField());
142 combo.addSelectionListener(new SelectionAdapter() {
143 public void widgetSelected(SelectionEvent event) {
144 fRefactoring.setInsertionIndex(combo.getSelectionIndex() - 1);
145 }
146 });
147 GridData gridData= new GridData(GridData.FILL_HORIZONTAL);
148 gridData.horizontalSpan=2;
149 combo.setLayoutData(gridData);
150 fEnablements.add(combo);
151
152
153 createAccessModifier(result);
154
155 Button checkBox= new Button(result, SWT.CHECK);
156 checkBox.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_generateJavadocComment);
157 checkBox.setSelection(fRefactoring.getGenerateJavadoc());
158 checkBox.addSelectionListener(new SelectionAdapter() {
159 public void widgetSelected(SelectionEvent e) {
160 setGenerateJavadoc(((Button)e.widget).getSelection());
161 }
162 });
163 GridData checkGD= new GridData(GridData.FILL_HORIZONTAL);
164 checkGD.horizontalSpan=3;
165 checkBox.setLayoutData(checkGD);
166 fEnablements.add(checkBox);
167
168 updateEnablements();
169
170 processValidation();
171
172 getter.setFocus();
173
174 Dialog.applyDialogFont(result);
175 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.SEF_WIZARD_PAGE);
176 }
177
178 private void updateUseSetter(Label reUseSetter) {
179 if (fRefactoring.isUsingLocalSetter())
180 reUseSetter.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_useexistingsetter_label);
181 else
182 reUseSetter.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_usenewgetter_label);
183 updateEnablements();
184 }
185
186 private void updateEnablements() {
187 boolean enable=!(fRefactoring.isUsingLocalSetter()&&fRefactoring.isUsingLocalGetter());
188 for (Iterator iter= fEnablements.iterator(); iter.hasNext();) {
189 Control control= (Control) iter.next();
190 control.setEnabled(enable);
191 }
192 }
193
194 private void updateUseGetter(Label reUseGetter) {
195 if (fRefactoring.isUsingLocalGetter())
196 reUseGetter.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_useexistinggetter_label);
197 else
198 reUseGetter.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_usenewsetter_label);
199 updateEnablements();
200 }
201
202 private void loadSettings() {
203 fSettings= getDialogSettings().getSection(SelfEncapsulateFieldWizard.DIALOG_SETTING_SECTION);
204 if (fSettings == null) {
205 fSettings= getDialogSettings().addNewSection(SelfEncapsulateFieldWizard.DIALOG_SETTING_SECTION);
206 fSettings.put(GENERATE_JAVADOC, JavaPreferencesSettings.getCodeGenerationSettings(fRefactoring.getField().getJavaProject()).createComments);
207 }
208 fRefactoring.setGenerateJavadoc(fSettings.getBoolean(GENERATE_JAVADOC));
209 }
210
211 private void createAccessModifier(Composite result) {
212 int visibility= fRefactoring.getVisibility();
213 if (Flags.isPublic(visibility))
214 return;
215 GridLayout layout;
216 Label label;
217 label= new Label(result, SWT.NONE);
218 label.setText(RefactoringMessages.SelfEncapsulateFieldInputPage_access_Modifiers);
219 fEnablements.add(label);
220 Composite group= new Composite(result, SWT.NONE);
221 group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
222 layout= new GridLayout();
223 layout.numColumns= 4; layout.marginWidth= 0; layout.marginHeight= 0;
224 group.setLayout(layout);
225 GridData gridData= new GridData(GridData.FILL_HORIZONTAL);
226 gridData.horizontalSpan=2;
227 group.setLayoutData(gridData);
228
229 Object [] info= createData(visibility);
230 String [] labels= (String [])info[0];
231 Integer [] data= (Integer [])info[1];
232 for (int i= 0; i < labels.length; i++) {
233 Button radio= new Button(group, SWT.RADIO);
234 radio.setText(labels[i]);
235 radio.setData(data[i]);
236 int iData= data[i].intValue();
237 if (iData == visibility)
238 radio.setSelection(true);
239 radio.addSelectionListener(new SelectionAdapter() {
240 public void widgetSelected(SelectionEvent event) {
241 fRefactoring.setVisibility(((Integer )event.widget.getData()).intValue());
242 }
243 });
244 fEnablements.add(radio);
245 }
246 }
247
248 private void createFieldAccessBlock(Composite result) {
249 Label label= new Label(result, SWT.LEFT);
250 label.setText(RefactoringMessages.SelfEncapsulateField_field_access);
251
252 Composite group= new Composite(result, SWT.NONE);
253 GridLayout layout= new GridLayout();
254 layout.marginWidth= 0; layout.marginHeight= 0; layout.numColumns= 2;
255 group.setLayout(layout);
256 GridData gridData= new GridData(GridData.FILL_HORIZONTAL);
257 gridData.horizontalSpan=2;
258 group.setLayoutData(gridData);
259 Button radio= new Button(group, SWT.RADIO);
260 radio.setText(RefactoringMessages.SelfEncapsulateField_use_setter_getter);
261 radio.setSelection(true);
262 radio.addSelectionListener(new SelectionAdapter() {
263 public void widgetSelected(SelectionEvent e) {
264 fRefactoring.setEncapsulateDeclaringClass(true);
265 }
266 });
267 radio.setLayoutData(new GridData());
268
269 radio= new Button(group, SWT.RADIO);
270 radio.setText(RefactoringMessages.SelfEncapsulateField_keep_references);
271 radio.addSelectionListener(new SelectionAdapter() {
272 public void widgetSelected(SelectionEvent e) {
273 fRefactoring.setEncapsulateDeclaringClass(false);
274 }
275 });
276 radio.setLayoutData(new GridData());
277 }
278
279 private Object [] createData(int visibility) {
280 String pub= RefactoringMessages.SelfEncapsulateFieldInputPage_public;
281 String pro= RefactoringMessages.SelfEncapsulateFieldInputPage_protected;
282 String def= RefactoringMessages.SelfEncapsulateFieldInputPage_default;
283 String priv= RefactoringMessages.SelfEncapsulateFieldInputPage_private;
284
285 String [] labels= null;
286 Integer [] data= null;
287 if (Flags.isPrivate(visibility)) {
288 labels= new String [] { pub, pro, def, priv };
289 data= new Integer [] {new Integer (Flags.AccPublic), new Integer (Flags.AccProtected), new Integer (0), new Integer (Flags.AccPrivate) };
290 } else if (Flags.isProtected(visibility)) {
291 labels= new String [] { pub, pro };
292 data= new Integer [] {new Integer (Flags.AccPublic), new Integer (Flags.AccProtected)};
293 } else {
294 labels= new String [] { pub, def };
295 data= new Integer [] {new Integer (Flags.AccPublic), new Integer (0)};
296 }
297 return new Object [] {labels, data};
298 }
299
300 private void fillWithPossibleInsertPositions(Combo combo, IField field) {
301 int select= 0;
302 combo.add(RefactoringMessages.SelfEncapsulateFieldInputPage_first_method);
303 try {
304 IMethod[] methods= field.getDeclaringType().getMethods();
305 for (int i= 0; i < methods.length; i++) {
306 combo.add(JavaElementLabels.getElementLabel(methods[i], JavaElementLabels.M_PARAMETER_TYPES));
307 }
308 if (methods.length > 0)
309 select= methods.length;
310 } catch (JavaModelException e) {
311 }
313 combo.select(select);
314 fRefactoring.setInsertionIndex(select - 1);
315 }
316
317 private void setGenerateJavadoc(boolean value) {
318 fSettings.put(GENERATE_JAVADOC, value);
319 fRefactoring.setGenerateJavadoc(value);
320 }
321
322 private void processValidation() {
323 RefactoringStatus status= fRefactoring.checkMethodNames();
324 String message= null;
325 boolean valid= true;
326 if (status.hasFatalError()) {
327 message= status.getMessageMatchingSeverity(RefactoringStatus.FATAL);
328 valid= false;
329 }
330 setErrorMessage(message);
331 setPageComplete(valid);
332 }
333
334 private boolean needsSetter() {
335 try {
336 return !JdtFlags.isFinal(fRefactoring.getField());
337 } catch(JavaModelException e) {
338 return true;
339 }
340 }
341 }
342 |
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