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1
11 package org.eclipse.jdt.internal.ui.refactoring;
12
13 import org.eclipse.core.runtime.Assert;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.events.SelectionAdapter;
17 import org.eclipse.swt.events.SelectionEvent;
18 import org.eclipse.swt.layout.GridData;
19 import org.eclipse.swt.layout.GridLayout;
20 import org.eclipse.swt.widgets.Button;
21 import org.eclipse.swt.widgets.Composite;
22 import org.eclipse.swt.widgets.Control;
23 import org.eclipse.swt.widgets.Label;
24
25 import org.eclipse.jface.dialogs.Dialog;
26 import org.eclipse.jface.preference.IPreferenceStore;
27 import org.eclipse.jface.resource.JFaceResources;
28
29 import org.eclipse.jface.text.Document;
30
31 import org.eclipse.ui.PlatformUI;
32
33 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
34 import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
35 import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
36
37 import org.eclipse.jdt.core.JavaModelException;
38
39 import org.eclipse.jdt.internal.corext.refactoring.ParameterInfo;
40 import org.eclipse.jdt.internal.corext.refactoring.code.IntroduceParameterRefactoring;
41
42 import org.eclipse.jdt.ui.PreferenceConstants;
43 import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration;
44
45 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
46 import org.eclipse.jdt.internal.ui.JavaPlugin;
47 import org.eclipse.jdt.internal.ui.javaeditor.JavaSourceViewer;
48 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
49 import org.eclipse.jdt.internal.ui.util.PixelConverter;
50
51 public class IntroduceParameterWizard extends RefactoringWizard {
52
53 public IntroduceParameterWizard(IntroduceParameterRefactoring ref) {
54 super(ref, DIALOG_BASED_USER_INTERFACE | PREVIEW_EXPAND_FIRST_NODE);
55 setDefaultPageTitle(RefactoringMessages.IntroduceParameterWizard_defaultPageTitle);
56 }
57
58
61 protected void addUserInputPages(){
62 addPage(new IntroduceParameterInputPage(getIntroduceParameterRefactoring().guessParameterNames()));
63 }
64
65 private IntroduceParameterRefactoring getIntroduceParameterRefactoring(){
66 return (IntroduceParameterRefactoring)getRefactoring();
67 }
68
69 private static class IntroduceParameterInputPage extends UserInputWizardPage {
70
71 private static final String  DESCRIPTION = RefactoringMessages.IntroduceParameterInputPage_description;
72 public static final String PAGE_NAME= "IntroduceParameterInputPage"; private String [] fParamNameProposals;
74
75 private JavaSourceViewer fSignaturePreview;
76 private Document fSignaturePreviewDocument;
77 private Button fLeaveDelegateCheckBox;
78 private Button fDeprecateDelegateCheckBox;
79
80 public IntroduceParameterInputPage(String [] tempNameProposals) {
81 super(PAGE_NAME);
82 setDescription(DESCRIPTION);
83 Assert.isNotNull(tempNameProposals);
84 fParamNameProposals= tempNameProposals;
85 fSignaturePreviewDocument= new Document();
86 }
87
88 private IntroduceParameterRefactoring getIntroduceParameterRefactoring(){
89 return (IntroduceParameterRefactoring)getRefactoring();
90 }
91
92 public void createControl(Composite parent) {
93 Composite result= new Composite(parent, SWT.NONE);
94 setControl(result);
95 GridLayout layout= new GridLayout();
96 result.setLayout(layout);
97
98 createParameterTableControl(result);
99 fLeaveDelegateCheckBox= DelegateUIHelper.generateLeaveDelegateCheckbox(result, getRefactoring(), false);
100 if (fLeaveDelegateCheckBox != null) {
101 fDeprecateDelegateCheckBox= new Button(result, SWT.CHECK);
102 GridData data= new GridData();
103 data.horizontalAlignment= GridData.FILL;
104 data.horizontalIndent= (layout.marginWidth + fDeprecateDelegateCheckBox.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
105 fDeprecateDelegateCheckBox.setLayoutData(data);
106 fDeprecateDelegateCheckBox.setText(DelegateUIHelper.getDeprecateDelegateCheckBoxTitle());
107 final IntroduceParameterRefactoring refactoring= getIntroduceParameterRefactoring();
108 fDeprecateDelegateCheckBox.setSelection(DelegateUIHelper.loadDeprecateDelegateSetting(refactoring));
109 refactoring.setDeprecateDelegates(fDeprecateDelegateCheckBox.getSelection());
110 fDeprecateDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
111 public void widgetSelected(SelectionEvent e) {
112 refactoring.setDeprecateDelegates(fDeprecateDelegateCheckBox.getSelection());
113 }
114 });
115 fDeprecateDelegateCheckBox.setEnabled(fLeaveDelegateCheckBox.getSelection());
116 fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
117 public void widgetSelected(SelectionEvent e) {
118 fDeprecateDelegateCheckBox.setEnabled(fLeaveDelegateCheckBox.getSelection());
119 }
120 });
121 }
122 Label sep= new Label(result, SWT.SEPARATOR | SWT.HORIZONTAL);
123 sep.setLayoutData((new GridData(GridData.FILL_HORIZONTAL)));
124 createSignaturePreview(result);
125
126 update(false);
127 Dialog.applyDialogFont(result);
128 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.INTRODUCE_PARAMETER_WIZARD_PAGE);
129 }
130
131 private ChangeParametersControl createParameterTableControl(Composite composite) {
132 String labelText= RefactoringMessages.IntroduceParameterWizard_parameters;
133 ChangeParametersControl cp= new ChangeParametersControl(composite, SWT.NONE, labelText, new IParameterListChangeListener() {
134 public void parameterChanged(ParameterInfo parameter) {
135 update(true);
136 }
137 public void parameterListChanged() {
138 update(true);
139 }
140 public void parameterAdded(ParameterInfo parameter) {
141 update(true);
142 }
143 }, ChangeParametersControl.Mode.INTRODUCE_PARAMETER, fParamNameProposals);
144 cp.setLayoutData(new GridData(GridData.FILL_BOTH));
145 cp.setInput(getIntroduceParameterRefactoring().getParameterInfos());
146 cp.editParameter(getIntroduceParameterRefactoring().getAddedParameterInfo());
147 return cp;
148 }
149
150 public void dispose() {
151 DelegateUIHelper.saveLeaveDelegateSetting(fLeaveDelegateCheckBox);
152 DelegateUIHelper.saveDeprecateDelegateSetting(fDeprecateDelegateCheckBox);
153 super.dispose();
154 }
155
156 private void createSignaturePreview(Composite composite) {
157 Label previewLabel= new Label(composite, SWT.NONE);
158 previewLabel.setText(RefactoringMessages.ChangeSignatureInputPage_method_Signature_Preview);
159
160 IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore();
161 fSignaturePreview= new JavaSourceViewer(composite, null, null, false, SWT.READ_ONLY | SWT.V_SCROLL | SWT.WRAP , store);
162 fSignaturePreview.configure(new JavaSourceViewerConfiguration(JavaPlugin.getDefault().getJavaTextTools().getColorManager(), store, null, null));
163 fSignaturePreview.getTextWidget().setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT));
164 fSignaturePreview.getTextWidget().setBackground(composite.getBackground());
165 fSignaturePreview.setDocument(fSignaturePreviewDocument);
166 fSignaturePreview.setEditable(false);
167
168 Control signaturePreviewControl= fSignaturePreview.getControl();
170 PixelConverter pixelConverter= new PixelConverter(signaturePreviewControl);
171 GridData gdata= new GridData(GridData.FILL_BOTH);
172 gdata.widthHint= pixelConverter.convertWidthInCharsToPixels(50);
173 gdata.heightHint= pixelConverter.convertHeightInCharsToPixels(2);
174 signaturePreviewControl.setLayoutData(gdata);
175 }
176
177 private void update(boolean displayErrorMessage){
178 updateStatus(displayErrorMessage);
179 updateSignaturePreview();
180 }
181
182 private void updateStatus(boolean displayErrorMessage) {
183 RefactoringStatus nameCheck= getIntroduceParameterRefactoring().validateInput();
184 if (displayErrorMessage) {
185 setPageComplete(nameCheck);
186 } else {
187 setErrorMessage(null);
188 setPageComplete(true);
189 }
190 }
191
192 private void updateSignaturePreview() {
193 try{
194 int top= fSignaturePreview.getTextWidget().getTopPixel();
195 fSignaturePreviewDocument.set(getIntroduceParameterRefactoring().getMethodSignaturePreview());
196 fSignaturePreview.getTextWidget().setTopPixel(top);
197 } catch (JavaModelException e){
198 ExceptionHandler.handle(e, RefactoringMessages.IntroduceParameterWizard_defaultPageTitle, RefactoringMessages.ChangeSignatureInputPage_exception);
199 }
200 }
201
202 }
203 }
204
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