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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.swt.SWT;
17 import org.eclipse.swt.events.ModifyEvent;
18 import org.eclipse.swt.events.ModifyListener;
19 import org.eclipse.swt.events.SelectionAdapter;
20 import org.eclipse.swt.events.SelectionEvent;
21 import org.eclipse.swt.layout.GridData;
22 import org.eclipse.swt.layout.GridLayout;
23 import org.eclipse.swt.widgets.Button;
24 import org.eclipse.swt.widgets.Combo;
25 import org.eclipse.swt.widgets.Composite;
26 import org.eclipse.swt.widgets.Label;
27 import org.eclipse.swt.widgets.Text;
28
29 import org.eclipse.jface.window.Window;
30 import org.eclipse.jface.wizard.IWizardPage;
31
32 import org.eclipse.ui.PlatformUI;
33
34 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
35 import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
36
37 import org.eclipse.jdt.core.IJavaElement;
38 import org.eclipse.jdt.core.IJavaProject;
39 import org.eclipse.jdt.core.IType;
40 import org.eclipse.jdt.core.search.IJavaSearchConstants;
41 import org.eclipse.jdt.core.search.IJavaSearchScope;
42 import org.eclipse.jdt.core.search.SearchEngine;
43
44 import org.eclipse.jdt.internal.corext.refactoring.code.IntroduceIndirectionRefactoring;
45
46 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
47 import org.eclipse.jdt.internal.ui.dialogs.FilteredTypesSelectionDialog;
48 import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
49 import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper;
50 import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor;
51 import org.eclipse.jdt.internal.ui.util.SWTUtil;
52
53
56 public class IntroduceIndirectionInputPage extends UserInputWizardPage {
57
58
61 private Text fIntermediaryMethodName;
62
63 private Combo fIntermediaryTypeName;
64 private static final int INTERMEDIARY_TYPE_COUNT= 10;
65 private static List fgIntermediaryTypes= new ArrayList (INTERMEDIARY_TYPE_COUNT);
66
67
71 public IntroduceIndirectionInputPage(String name) {
72 super(name);
73 }
74
75 private Text createIntermediaryNameCombo(Composite result) {
76 final Text textField= new Text(result, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
77 textField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
78 TextFieldNavigationHandler.install(textField);
79 return textField;
80 }
81
82 private Combo createIntermediaryTypeCombo(Composite composite) {
83 final Combo textCombo= new Combo(composite, SWT.SINGLE | SWT.BORDER);
84 textCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
85 textCombo.setItems((String []) fgIntermediaryTypes.toArray(new String [fgIntermediaryTypes.size()]));
86 textCombo.setVisibleItemCount(INTERMEDIARY_TYPE_COUNT);
87
88 JavaTypeCompletionProcessor processor= new JavaTypeCompletionProcessor(false, false, true);
89 processor.setPackageFragment(getIntroduceIndirectionRefactoring().getInvocationPackage());
90 ControlContentAssistHelper.createComboContentAssistant(textCombo, processor);
91 TextFieldNavigationHandler.install(textCombo);
92 return textCombo;
93 }
94
95
98 public void createControl(Composite parent) {
99 Composite result= new Composite(parent, SWT.NONE);
100
101 setControl(result);
102
103 GridLayout layout= new GridLayout();
104 layout.numColumns= 2;
105 result.setLayout(layout);
106
107 Label methNameLabel= new Label(result, SWT.NONE);
108 methNameLabel.setText(RefactoringMessages.IntroduceIndirectionInputPage_new_method_name);
109
110 fIntermediaryMethodName= createIntermediaryNameCombo(result);
111
112 final Label intermediaryTypeLabel= new Label(result, SWT.NONE);
113 intermediaryTypeLabel.setText(RefactoringMessages.IntroduceIndirectionInputPage_declaring_class);
114
115 Composite inner= new Composite(result, SWT.NONE);
116 GridLayout innerLayout= new GridLayout();
117 innerLayout.marginHeight= 0;
118 innerLayout.marginWidth= 0;
119 innerLayout.numColumns= 2;
120 inner.setLayout(innerLayout);
121 inner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
122
123 fIntermediaryTypeName= createIntermediaryTypeCombo(inner);
124 fIntermediaryTypeName.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
125
126 final Button browseTypes= new Button(inner, SWT.PUSH);
127 browseTypes.setText(RefactoringMessages.IntroduceIndirectionInputPage_browse);
128 GridData gd= new GridData();
129 gd.horizontalAlignment= GridData.END;
130 gd.widthHint= SWTUtil.getButtonWidthHint(browseTypes);
131 browseTypes.setLayoutData(gd);
132
133 final Button enableReferencesCheckBox= new Button(result, SWT.CHECK);
134 enableReferencesCheckBox.setText(RefactoringMessages.IntroduceIndirectionInputPage_update_references);
135 gd= new GridData(GridData.FILL_HORIZONTAL);
136 gd.horizontalSpan= 2;
137 gd.verticalIndent= 2;
138 enableReferencesCheckBox.setLayoutData(gd);
139
140 fIntermediaryMethodName.setText(getIntroduceIndirectionRefactoring().getIntermediaryMethodName());
141 fIntermediaryTypeName.setText(getIntroduceIndirectionRefactoring().getIntermediaryClassName());
142
143 fIntermediaryMethodName.addModifyListener(new ModifyListener() {
144 public void modifyText(ModifyEvent e) {
145 validateInput();
146 }
147 });
148
149 enableReferencesCheckBox.addSelectionListener(new SelectionAdapter() {
150 public void widgetSelected(SelectionEvent e) {
151 getIntroduceIndirectionRefactoring().setEnableUpdateReferences(enableReferencesCheckBox.getSelection());
152 }
153 });
154
155 fIntermediaryTypeName.addModifyListener(new ModifyListener() {
156 public void modifyText(ModifyEvent e) {
157 validateInput();
158 }
159 });
160
161 browseTypes.addSelectionListener(new SelectionAdapter() {
162 public void widgetSelected(SelectionEvent e) {
163 IType intermediaryType= chooseIntermediaryClass();
164
165 if (intermediaryType == null)
166 return;
167
168 fIntermediaryTypeName.setText(intermediaryType.getFullyQualifiedName());
169 }
170 });
171
172 if (getIntroduceIndirectionRefactoring().canEnableUpdateReferences())
173 enableReferencesCheckBox.setSelection(true);
174 else {
175 enableReferencesCheckBox.setSelection(false);
176 enableReferencesCheckBox.setEnabled(false);
177 getIntroduceIndirectionRefactoring().setEnableUpdateReferences(false);
178 }
179
180 fIntermediaryMethodName.setFocus();
181 fIntermediaryMethodName.selectAll();
182 validateInput();
183
184 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.INTRODUCE_INDIRECTION_WIZARD_PAGE);
185 }
186
187 private IType chooseIntermediaryClass() {
188 IJavaProject proj= getIntroduceIndirectionRefactoring().getProject();
189
190 if (proj == null)
191 return null;
192
193 IJavaElement[] elements= new IJavaElement[] { proj };
194 IJavaSearchScope scope= SearchEngine.createJavaSearchScope(elements);
195
196 FilteredTypesSelectionDialog dialog= new FilteredTypesSelectionDialog(getShell(), false, getWizard().getContainer(), scope, IJavaSearchConstants.CLASS);
197
198 dialog.setTitle(RefactoringMessages.IntroduceIndirectionInputPage_dialog_choose_declaring_class);
199 dialog.setMessage(RefactoringMessages.IntroduceIndirectionInputPage_dialog_choose_declaring_class_long);
200
201 if (dialog.open() == Window.OK) {
202 return (IType) dialog.getFirstResult();
203 }
204 return null;
205 }
206
207 private IntroduceIndirectionRefactoring getIntroduceIndirectionRefactoring() {
208 return (IntroduceIndirectionRefactoring) getRefactoring();
209 }
210
211 private void validateInput() {
212 RefactoringStatus merged= new RefactoringStatus();
213 merged.merge(getIntroduceIndirectionRefactoring().setIntermediaryClassName(fIntermediaryTypeName.getText()));
214 merged.merge(getIntroduceIndirectionRefactoring().setIntermediaryMethodName(fIntermediaryMethodName.getText()));
215
216 setPageComplete(!merged.hasError());
217 int severity= merged.getSeverity();
218 String message= merged.getMessageMatchingSeverity(severity);
219 if (severity >= RefactoringStatus.INFO) {
220 setMessage(message, severity);
221 } else {
222 setMessage("", NONE); }
224 }
225
226 protected boolean performFinish() {
227 storeIntermediaryTypeName();
228 return super.performFinish();
229 }
230
231 public IWizardPage getNextPage() {
232 storeIntermediaryTypeName();
233 return super.getNextPage();
234 }
235
236 private void storeIntermediaryTypeName() {
237 String destination= fIntermediaryTypeName.getText();
238 if (!fgIntermediaryTypes.remove(destination) && fgIntermediaryTypes.size() >= INTERMEDIARY_TYPE_COUNT)
239 fgIntermediaryTypes.remove(fgIntermediaryTypes.size() - 1);
240 fgIntermediaryTypes.add(0, destination);
241 }
242 }
243 |
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