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1
11 package org.eclipse.jdt.internal.ui.actions;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.util.List ;
15
16 import org.eclipse.core.runtime.CoreException;
17
18 import org.eclipse.swt.widgets.Shell;
19
20 import org.eclipse.jface.action.Action;
21 import org.eclipse.jface.dialogs.IDialogConstants;
22 import org.eclipse.jface.dialogs.MessageDialog;
23 import org.eclipse.jface.viewers.ISelection;
24 import org.eclipse.jface.viewers.IStructuredSelection;
25 import org.eclipse.jface.window.Window;
26
27 import org.eclipse.ui.IEditorPart;
28 import org.eclipse.ui.PlatformUI;
29
30 import org.eclipse.jdt.core.Flags;
31 import org.eclipse.jdt.core.IMember;
32 import org.eclipse.jdt.core.IMethod;
33 import org.eclipse.jdt.core.IType;
34 import org.eclipse.jdt.core.JavaModelException;
35
36 import org.eclipse.jdt.internal.corext.codemanipulation.AddMethodStubOperation;
37 import org.eclipse.jdt.internal.corext.codemanipulation.CodeGenerationSettings;
38 import org.eclipse.jdt.internal.corext.codemanipulation.IRequestQuery;
39 import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
40 import org.eclipse.jdt.internal.corext.util.Messages;
41
42 import org.eclipse.jdt.ui.JavaElementLabels;
43
44 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
45 import org.eclipse.jdt.internal.ui.JavaPlugin;
46 import org.eclipse.jdt.internal.ui.JavaUIMessages;
47 import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
48 import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
49 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
50
51
57 public class AddMethodStubAction extends Action {
58
59 private ISelection fSelection;
60 private IType fParentType;
61
62 public AddMethodStubAction() {
63 super(JavaUIMessages.AddMethodStubAction_label);
64 setDescription(JavaUIMessages.AddMethodStubAction_description);
65 setToolTipText(JavaUIMessages.AddMethodStubAction_tooltip);
66
67 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.ADD_METHODSTUB_ACTION);
68 }
69
70
71 public boolean init(IType parentType, ISelection selection) {
72 if (canActionBeAdded(parentType, selection)) {
73 fParentType= parentType;
74 fSelection= selection;
75 if (parentType != null) {
76 try {
77 if (parentType.isInterface()) {
78 setText(Messages.format(JavaUIMessages.AddMethodStubAction_detailed_implement, parentType.getElementName()));
79 } else {
80 setText(Messages.format(JavaUIMessages.AddMethodStubAction_detailed_override, parentType.getElementName()));
81 }
82 } catch (JavaModelException e) {
83 JavaPlugin.log(e);
84 }
85 } else {
86 setText(JavaUIMessages.AddMethodStubAction_label);
87 }
88 return true;
89 }
90 fParentType= null;
91 fSelection= null;
92 return false;
93 }
94
95 public void run() {
96 if (!canActionBeAdded(fParentType, fSelection)) {
97 return;
98 }
99
100 Shell shell= JavaPlugin.getActiveWorkbenchShell();
101 try {
102 IEditorPart editor= EditorUtility.openInEditor(fParentType);
104
105 CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(fParentType.getJavaProject());
106
107 List list= ((IStructuredSelection)fSelection).toList();
108 IMethod[] methods= (IMethod[]) list.toArray(new IMethod[list.size()]);
109 AddMethodStubOperation op= new AddMethodStubOperation(fParentType, methods, settings, createOverrideQuery(), createReplaceQuery(), false);
110
111 PlatformUI.getWorkbench().getProgressService().runInUI(
112 PlatformUI.getWorkbench().getProgressService(),
113 new WorkbenchRunnableAdapter(op, op.getScheduleRule()),
114 op.getScheduleRule());
115
116 IMethod[] res= op.getCreatedMethods();
117 if (res != null && res.length > 0 && editor != null) {
118 EditorUtility.revealInEditor(editor, res[0]);
119 }
120 } catch (InvocationTargetException e) {
121 ExceptionHandler.handle(e, shell, JavaUIMessages.AddMethodStubAction_error_title, null);
122 } catch (CoreException e) {
123 ExceptionHandler.handle(e, shell, JavaUIMessages.AddMethodStubAction_error_title, null);
124 } catch (InterruptedException e) {
125 }
127 }
128
129 private IRequestQuery createOverrideQuery() {
130 return new IRequestQuery() {
131 public int doQuery(IMember method) {
132 String methodName= JavaElementLabels.getElementLabel(method, JavaElementLabels.M_PARAMETER_TYPES);
133 String declTypeName= JavaElementLabels.getElementLabel(method.getDeclaringType(), 0);
134 String formattedMessage;
135 try {
136 if (Flags.isFinal(method.getFlags())) {
137 formattedMessage= Messages.format(JavaUIMessages.AddMethodStubAction_OverridesFinalDialog_message, new String [] { methodName, declTypeName });
138 } else {
139 formattedMessage= Messages.format(JavaUIMessages.AddMethodStubAction_OverridesPrivateDialog_message, new String [] { methodName, declTypeName });
140 }
141 } catch (JavaModelException e) {
142 JavaPlugin.log(e.getStatus());
143 return IRequestQuery.CANCEL;
144 }
145 return showQueryDialog(formattedMessage);
146 }
147 };
148 }
149
150 private IRequestQuery createReplaceQuery() {
151 return new IRequestQuery() {
152 public int doQuery(IMember method) {
153 String methodName= JavaElementLabels.getElementLabel(method, JavaElementLabels.M_PARAMETER_TYPES);
154 String formattedMessage= Messages.format(JavaUIMessages.AddMethodStubAction_ReplaceExistingDialog_message, methodName);
155 return showQueryDialog(formattedMessage);
156 }
157 };
158 }
159
160
161 private int showQueryDialog(final String message) {
162 int[] returnCodes= {IRequestQuery.YES, IRequestQuery.YES_ALL, IRequestQuery.NO, IRequestQuery.CANCEL};
164 final Shell shell= JavaPlugin.getActiveWorkbenchShell();
165 if (shell == null) {
166 JavaPlugin.logErrorMessage("AddMethodStubAction.showQueryDialog: No active shell found"); return IRequestQuery.CANCEL;
168 }
169 final int[] result= { Window.CANCEL };
170 shell.getDisplay().syncExec(new Runnable () {
171 public void run() {
172 String title= JavaUIMessages.AddMethodStubAction_QueryDialog_title;
173 String [] options= {IDialogConstants.YES_LABEL, IDialogConstants.YES_TO_ALL_LABEL, IDialogConstants.NO_LABEL, IDialogConstants.CANCEL_LABEL};
174 MessageDialog dialog= new MessageDialog(shell, title, null, message, MessageDialog.QUESTION, options, 0);
175 result[0]= dialog.open();
176 }
177 });
178 int returnVal= result[0];
179 return returnVal < 0 ? IRequestQuery.CANCEL : returnCodes[returnVal];
180 }
181
182
185 public static boolean canActionBeAdded(IType parentType, ISelection selection) {
186 if (parentType == null || parentType.getCompilationUnit() == null || !JavaModelUtil.isEditable(parentType.getCompilationUnit()) ||
187 !(selection instanceof IStructuredSelection) || selection.isEmpty()) {
188 return false;
189 }
190
191 Object [] elems= ((IStructuredSelection)selection).toArray();
192 int nSelected= elems.length;
193 if (nSelected > 0) {
194 for (int i= 0; i < nSelected; i++) {
195 Object elem= elems[i];
196 if (!(elem instanceof IMethod)) {
197 return false;
198 }
199 IMethod meth= (IMethod)elem;
200 if (meth.getDeclaringType().equals(parentType)) {
201 return false;
202 }
203 }
204 return true;
205 }
206 return false;
207 }
208
209
210 }
211 |
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