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1
11 package org.eclipse.jdt.internal.ui.refactoring;
12
13 import java.util.ArrayList  ;
14 import java.util.List ;
15
16 import org.eclipse.core.runtime.Assert;
17 import org.eclipse.core.runtime.IStatus;
18 import org.eclipse.core.runtime.Status;
19
20 import org.eclipse.swt.SWT;
21 import org.eclipse.swt.events.ModifyEvent;
22 import org.eclipse.swt.events.ModifyListener;
23 import org.eclipse.swt.events.SelectionAdapter;
24 import org.eclipse.swt.events.SelectionEvent;
25 import org.eclipse.swt.layout.GridData;
26 import org.eclipse.swt.layout.GridLayout;
27 import org.eclipse.swt.widgets.Button;
28 import org.eclipse.swt.widgets.Combo;
29 import org.eclipse.swt.widgets.Composite;
30 import org.eclipse.swt.widgets.Label;
31
32 import org.eclipse.jface.dialogs.Dialog;
33 import org.eclipse.jface.window.Window;
34 import org.eclipse.jface.wizard.IWizardPage;
35
36 import org.eclipse.ui.PlatformUI;
37 import org.eclipse.ui.dialogs.ISelectionStatusValidator;
38
39 import org.eclipse.ltk.core.refactoring.participants.MoveRefactoring;
40 import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
41 import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
42
43 import org.eclipse.jdt.core.IJavaElement;
44 import org.eclipse.jdt.core.IMember;
45 import org.eclipse.jdt.core.IPackageFragment;
46 import org.eclipse.jdt.core.IType;
47 import org.eclipse.jdt.core.JavaConventions;
48 import org.eclipse.jdt.core.JavaModelException;
49 import org.eclipse.jdt.core.search.IJavaSearchConstants;
50 import org.eclipse.jdt.core.search.IJavaSearchScope;
51 import org.eclipse.jdt.core.search.SearchEngine;
52
53 import org.eclipse.jdt.internal.corext.refactoring.structure.MoveStaticMembersProcessor;
54 import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
55 import org.eclipse.jdt.internal.corext.util.Messages;
56
57 import org.eclipse.jdt.ui.JavaElementLabels;
58
59 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
60 import org.eclipse.jdt.internal.ui.JavaPlugin;
61 import org.eclipse.jdt.internal.ui.dialogs.FilteredTypesSelectionDialog;
62 import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
63 import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper;
64 import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor;
65 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
66 import org.eclipse.jdt.internal.ui.util.SWTUtil;
67
68 public class MoveMembersWizard extends RefactoringWizard {
69
70 public MoveMembersWizard(MoveRefactoring ref) {
71 super(ref, DIALOG_BASED_USER_INTERFACE);
72 setDefaultPageTitle(RefactoringMessages.MoveMembersWizard_page_title);
73 }
74
75
78 protected void addUserInputPages(){
79 addPage(new MoveMembersInputPage());
80 }
81
82 private static class MoveMembersInputPage extends UserInputWizardPage {
83
84 public static final String PAGE_NAME= "MoveMembersInputPage"; private static final long LABEL_FLAGS= JavaElementLabels.ALL_DEFAULT;
86
87 private Combo fDestinationField;
88 private Button fLeaveDelegateCheckBox;
89 private Button fDeprecateDelegateCheckBox;
90 private static final int MRU_COUNT= 10;
91 private static List fgMruDestinations= new ArrayList (MRU_COUNT);
92
93 public MoveMembersInputPage() {
94 super(PAGE_NAME);
95 }
96
97 public void setVisible(boolean visible){
98 if (visible){
99 String message= Messages.format(RefactoringMessages.MoveMembersInputPage_descriptionKey,
100 new String []{new Integer (getMoveProcessor().getMembersToMove().length).toString(),
101 JavaModelUtil.getFullyQualifiedName(getMoveProcessor().getDeclaringType())});
102 setDescription(message);
103 }
104 super.setVisible(visible);
105 }
106
107 public void createControl(Composite parent) {
108 Composite composite= new Composite(parent, SWT.NONE);
109 GridLayout layout= new GridLayout();
110 layout.numColumns= 2;
111 composite.setLayout(layout);
112
113 addLabel(composite);
114 addDestinationControls(composite);
115 fLeaveDelegateCheckBox= DelegateUIHelper.generateLeaveDelegateCheckbox(composite, getRefactoring(), getMoveProcessor().getMembersToMove().length > 1);
116 GridData data= new GridData();
117 data.horizontalSpan= 2;
118 if (fLeaveDelegateCheckBox != null) {
119 fLeaveDelegateCheckBox.setLayoutData(data);
120 fDeprecateDelegateCheckBox= new Button(composite, SWT.CHECK);
121 data= new GridData();
122 data.horizontalAlignment= GridData.FILL;
123 data.horizontalIndent= (layout.marginWidth + fDeprecateDelegateCheckBox.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
124 data.horizontalSpan= 2;
125 fDeprecateDelegateCheckBox.setLayoutData(data);
126 fDeprecateDelegateCheckBox.setText(DelegateUIHelper.getDeprecateDelegateCheckBoxTitle());
127 fDeprecateDelegateCheckBox.setSelection(DelegateUIHelper.loadDeprecateDelegateSetting(getMoveProcessor()));
128 getMoveProcessor().setDeprecateDelegates(fDeprecateDelegateCheckBox.getSelection());
129 fDeprecateDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
130 public void widgetSelected(SelectionEvent e) {
131 getMoveProcessor().setDeprecateDelegates(fDeprecateDelegateCheckBox.getSelection());
132 }
133 });
134 fDeprecateDelegateCheckBox.setEnabled(fLeaveDelegateCheckBox.getSelection());
135 fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
136 public void widgetSelected(SelectionEvent e) {
137 fDeprecateDelegateCheckBox.setEnabled(fLeaveDelegateCheckBox.getSelection());
138 }
139 });
140 }
141 setControl(composite);
142 Dialog.applyDialogFont(composite);
143 PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IJavaHelpContextIds.MOVE_MEMBERS_WIZARD_PAGE);
144 }
145
146 public void dispose() {
147 DelegateUIHelper.saveLeaveDelegateSetting(fLeaveDelegateCheckBox);
148 DelegateUIHelper.saveDeprecateDelegateSetting(fDeprecateDelegateCheckBox);
149 super.dispose();
150 }
151
152 private void addLabel(Composite parent) {
153 Label label= new Label(parent, SWT.NONE);
154 IMember[] members= getMoveProcessor().getMembersToMove();
155 if (members.length == 1) {
156 label.setText(Messages.format(
157 RefactoringMessages.MoveMembersInputPage_destination_single,
158 JavaElementLabels.getElementLabel(members[0], LABEL_FLAGS)));
159 } else {
160 label.setText(Messages.format(
161 RefactoringMessages.MoveMembersInputPage_destination_multi,
162 String.valueOf(members.length)));
163 }
164 GridData gd= new GridData();
165 gd.horizontalSpan= 2;
166 label.setLayoutData(gd);
167 }
168
169 private void addDestinationControls(Composite composite) {
170 fDestinationField= new Combo(composite, SWT.SINGLE | SWT.BORDER);
171 fDestinationField.setFocus();
172 fDestinationField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
173 fDestinationField.setItems((String []) fgMruDestinations.toArray(new String [fgMruDestinations.size()]));
174 fDestinationField.addModifyListener(new ModifyListener(){
175 public void modifyText(ModifyEvent e) {
176 handleDestinationChanged();
177 }
178 private void handleDestinationChanged() {
179 IStatus status= JavaConventions.validateJavaTypeName(fDestinationField.getText());
180 if (status.getSeverity() == IStatus.ERROR){
181 error(status.getMessage());
182 } else {
183 try {
184 final IType declaring= getMoveProcessor().getDeclaringType();
185 IType resolvedType= declaring.getJavaProject().findType(fDestinationField.getText());
186 if (resolvedType == null)
187 resolvedType= declaring.getJavaProject().findType(declaring.getPackageFragment().getElementName(), fDestinationField.getText());
188 IStatus validationStatus= validateDestinationType(resolvedType, fDestinationField.getText());
189 if (validationStatus.isOK()){
190 setErrorMessage(null);
191 setPageComplete(true);
192 } else {
193 error(validationStatus.getMessage());
194 }
195 } catch(JavaModelException ex) {
196 JavaPlugin.log(ex); error(RefactoringMessages.MoveMembersInputPage_invalid_name);
198 }
199 }
200 }
201 private void error(String message){
202 setErrorMessage(message);
203 setPageComplete(false);
204 }
205 });
206 if (fgMruDestinations.size() > 0) {
207 fDestinationField.select(0);
208 } else {
209 setPageComplete(false);
210 }
211 JavaTypeCompletionProcessor processor= new JavaTypeCompletionProcessor(false, false, true);
212 IPackageFragment context= (IPackageFragment) getMoveProcessor().getDeclaringType().getAncestor(IJavaElement.PACKAGE_FRAGMENT);
213 processor.setPackageFragment(context);
214 ControlContentAssistHelper.createComboContentAssistant(fDestinationField, processor);
215 TextFieldNavigationHandler.install(fDestinationField);
216
217 Button button= new Button(composite, SWT.PUSH);
218 button.setText(RefactoringMessages.MoveMembersInputPage_browse);
219 button.setLayoutData(new GridData());
220 SWTUtil.setButtonDimensionHint(button);
221 button.addSelectionListener(new SelectionAdapter(){
222 public void widgetSelected(SelectionEvent e) {
223 openTypeSelectionDialog();
224 }
225 });
226 }
227
228 protected boolean performFinish() {
229 initializeRefactoring();
230 return super.performFinish();
231 }
232
233 public IWizardPage getNextPage() {
234 initializeRefactoring();
235 return super.getNextPage();
236 }
237
238 private void initializeRefactoring() {
239 try {
240 String destination= fDestinationField.getText();
241 if (!fgMruDestinations.remove(destination) && fgMruDestinations.size() >= MRU_COUNT)
242 fgMruDestinations.remove(fgMruDestinations.size() - 1);
243 fgMruDestinations.add(0, destination);
244
245 getMoveProcessor().setDestinationTypeFullyQualifiedName(destination);
246 } catch(JavaModelException e) {
247 ExceptionHandler.handle(e, getShell(), RefactoringMessages.MoveMembersInputPage_move_Member, RefactoringMessages.MoveMembersInputPage_exception);
248 }
249 }
250
251 private IJavaSearchScope createWorkspaceSourceScope(){
252 IJavaElement[] project= new IJavaElement[] { getMoveProcessor().getDeclaringType().getJavaProject() };
253 return SearchEngine.createJavaSearchScope(project, IJavaSearchScope.REFERENCED_PROJECTS | IJavaSearchScope.SOURCES);
254 }
255
256 private void openTypeSelectionDialog(){
257 int elementKinds= IJavaSearchConstants.TYPE;
258 final IJavaSearchScope scope= createWorkspaceSourceScope();
259 FilteredTypesSelectionDialog dialog= new FilteredTypesSelectionDialog(getShell(), false,
260 getWizard().getContainer(), scope, elementKinds);
261 dialog.setTitle(RefactoringMessages.MoveMembersInputPage_choose_Type);
262 dialog.setMessage(RefactoringMessages.MoveMembersInputPage_dialogMessage);
263 dialog.setValidator(new ISelectionStatusValidator(){
264 public IStatus validate(Object [] selection) {
265 Assert.isTrue(selection.length <= 1);
266 if (selection.length == 0)
267 return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, RefactoringMessages.MoveMembersInputPage_Invalid_selection, null);
268 Object element= selection[0];
269 if (! (element instanceof IType))
270 return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, RefactoringMessages.MoveMembersInputPage_Invalid_selection, null);
271 IType type= (IType)element;
272 return validateDestinationType(type, type.getElementName());
273 }
274 });
275 dialog.setInitialPattern(createInitialFilter());
276 if (dialog.open() == Window.CANCEL)
277 return;
278 IType firstResult= (IType)dialog.getFirstResult();
279 fDestinationField.setText(JavaModelUtil.getFullyQualifiedName(firstResult));
280 }
281
282 private String createInitialFilter() {
283 if (! fDestinationField.getText().trim().equals("")) return fDestinationField.getText();
285 else
286 return getMoveProcessor().getDeclaringType().getElementName();
287 }
288
289 private static IStatus validateDestinationType(IType type, String typeName){
290 if (type == null || ! type.exists())
291 return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, Messages.format(RefactoringMessages.MoveMembersInputPage_not_found, typeName), null);
292 if (type.isBinary())
293 return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, RefactoringMessages.MoveMembersInputPage_no_binary, null);
294 return new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "", null); }
296
297 private MoveStaticMembersProcessor getMoveProcessor() {
298 return (MoveStaticMembersProcessor)getRefactoring().getAdapter(MoveStaticMembersProcessor.class);
299 }
300 }
301 }
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