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Case Study: adding data and statistics
[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / wizards / NewElementWizard.java
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EK		 1/*******************************************************************************
2 * Copyright (c) 2000, 2011 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11package org.eclipse.jdt.internal.ui.wizards;
12
13import java.lang.reflect.InvocationTargetException;
14
15import org.eclipse.swt.widgets.Display;
16import org.eclipse.swt.widgets.Shell;
17
18import org.eclipse.core.runtime.CoreException;
19import org.eclipse.core.runtime.IProgressMonitor;
20import org.eclipse.core.runtime.OperationCanceledException;
21import org.eclipse.core.runtime.jobs.ISchedulingRule;
22import org.eclipse.core.runtime.jobs.Job;
23
24import org.eclipse.core.resources.IFile;
25import org.eclipse.core.resources.IResource;
26import org.eclipse.core.resources.IWorkspaceRunnable;
27import org.eclipse.core.resources.ResourcesPlugin;
28
29import org.eclipse.jface.dialogs.IDialogConstants;
30import org.eclipse.jface.dialogs.MessageDialog;
31import org.eclipse.jface.layout.PixelConverter;
32import org.eclipse.jface.operation.IRunnableWithProgress;
33import org.eclipse.jface.resource.JFaceResources;
34import org.eclipse.jface.viewers.IStructuredSelection;
35import org.eclipse.jface.viewers.StructuredSelection;
36import org.eclipse.jface.window.Window;
37import org.eclipse.jface.wizard.Wizard;
38import org.eclipse.jface.wizard.WizardDialog;
39
40import org.eclipse.jface.text.templates.persistence.TemplateStore;
41
42import org.eclipse.ui.INewWizard;
43import org.eclipse.ui.IWorkbench;
44import org.eclipse.ui.IWorkbenchPage;
45import org.eclipse.ui.PartInitException;
46import org.eclipse.ui.ide.IDE;
47import org.eclipse.ui.wizards.newresource.BasicNewResourceWizard;
48
49import org.eclipse.jdt.core.ICompilationUnit;
50import org.eclipse.jdt.core.IJavaElement;
51import org.eclipse.jdt.core.IType;
52import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
53
54import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility;
55import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
56
57import org.eclipse.jdt.ui.wizards.NewTypeWizardPage;
58
59import org.eclipse.jdt.internal.ui.IUIConstants;
60import org.eclipse.jdt.internal.ui.JavaPlugin;
61import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter;
62import org.eclipse.jdt.internal.ui.dialogs.OptionalMessageDialog;
63import org.eclipse.jdt.internal.ui.text.correction.CorrectionMessages;
64import org.eclipse.jdt.internal.ui.text.correction.proposals.NewCUUsingWizardProposal;
65import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
66
67public abstract class NewElementWizard extends Wizard implements INewWizard {
68
69 private IWorkbench fWorkbench;
70 private IStructuredSelection fSelection;
71
72 public NewElementWizard() {
73 setNeedsProgressMonitor(true);
74 }
75
76 protected void openResource(final IFile resource) {
77 final IWorkbenchPage activePage= JavaPlugin.getActivePage();
78 if (activePage != null) {
79 final Display display= getShell().getDisplay();
80 if (display != null) {
81 display.asyncExec(new Runnable() {
82 public void run() {
83 try {
84 IDE.openEditor(activePage, resource, true);
85 } catch (PartInitException e) {
86 JavaPlugin.log(e);
87 }
88 }
89 });
90 }
91 }
92 }
93
94 /**
95 * Subclasses should override to perform the actions of the wizard. This method is run in the
96 * wizard container's context as a workspace runnable.
97 *
98 * @param monitor the progress monitor
99 * @throws InterruptedException when the operation is cancelled
100 * @throws CoreException if the element cannot be created
101 */
102 protected abstract void finishPage(IProgressMonitor monitor) throws InterruptedException, CoreException;
103
104 /**
105 * Returns the scheduling rule for creating the element.
106 * @return returns the scheduling rule
107 */
108 protected ISchedulingRule getSchedulingRule() {
109 return ResourcesPlugin.getWorkspace().getRoot(); // look all by default
110 }
111
112
113 protected boolean canRunForked() {
114 return true;
115 }
116
117 public abstract IJavaElement getCreatedElement();
118
119 protected void handleFinishException(Shell shell, InvocationTargetException e) {
120 String title= NewWizardMessages.NewElementWizard_op_error_title;
121 String message= NewWizardMessages.NewElementWizard_op_error_message;
122 ExceptionHandler.handle(e, shell, title, message);
123 }
124
125 /*
126 * @see Wizard#performFinish
127 */
128 @Override
129 public boolean performFinish() {
130 IWorkspaceRunnable op= new IWorkspaceRunnable() {
131 public void run(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
132 try {
133 finishPage(monitor);
134 } catch (InterruptedException e) {
135 throw new OperationCanceledException(e.getMessage());
136 }
137 }
138 };
139 try {
140 ISchedulingRule rule= null;
141 Job job= Job.getJobManager().currentJob();
142 if (job != null)
143 rule= job.getRule();
144 IRunnableWithProgress runnable= null;
145 if (rule != null)
146 runnable= new WorkbenchRunnableAdapter(op, rule, true);
147 else
148 runnable= new WorkbenchRunnableAdapter(op, getSchedulingRule());
149 getContainer().run(canRunForked(), true, runnable);
150 } catch (InvocationTargetException e) {
151 handleFinishException(getShell(), e);
152 return false;
153 } catch (InterruptedException e) {
154 return false;
155 }
156 return true;
157 }
158
159 protected void warnAboutTypeCommentDeprecation() {
160 String key= IUIConstants.DIALOGSTORE_TYPECOMMENT_DEPRECATED;
161 if (OptionalMessageDialog.isDialogEnabled(key)) {
162 TemplateStore templates= JavaPlugin.getDefault().getTemplateStore();
163 boolean isOldWorkspace= templates.findTemplate("filecomment") != null && templates.findTemplate("typecomment") != null; //$NON-NLS-1$ //$NON-NLS-2$
164 if (!isOldWorkspace) {
165 OptionalMessageDialog.setDialogEnabled(key, false);
166 }
167 String title= NewWizardMessages.NewElementWizard_typecomment_deprecated_title;
168 String message= NewWizardMessages.NewElementWizard_typecomment_deprecated_message;
169 OptionalMessageDialog.open(key, getShell(), title, null, message, MessageDialog.INFORMATION, new String[] { IDialogConstants.OK_LABEL }, 0);
170 }
171 }
172
173 /* (non-Javadoc)
174 * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench, org.eclipse.jface.viewers.IStructuredSelection)
175 */
176 public void init(IWorkbench workbench, IStructuredSelection currentSelection) {
177 fWorkbench= workbench;
178 fSelection= currentSelection;
179 }
180
181 public IStructuredSelection getSelection() {
182 return fSelection;
183 }
184
185 public IWorkbench getWorkbench() {
186 return fWorkbench;
187 }
188
189 protected void selectAndReveal(IResource newResource) {
190 BasicNewResourceWizard.selectAndReveal(newResource, fWorkbench.getActiveWorkbenchWindow());
191 }
192
193 public void generated_904266101912896755(StructuredSelection selection, NewCUUsingWizardProposal newcuusingwizardproposal) {
194 init(JavaPlugin.getDefault().getWorkbench(), selection);
195
196 IType createdType= null;
197
198 if (newcuusingwizardproposal.fShowDialog) {
199 Shell shell= JavaPlugin.getActiveWorkbenchShell();
200 WizardDialog dialog= new WizardDialog(shell, this);
201
202 PixelConverter converter= new PixelConverter(JFaceResources.getDialogFont());
203 dialog.setMinimumPageSize(converter.convertWidthInCharsToPixels(70), converter.convertHeightInCharsToPixels(20));
204 dialog.create();
205 dialog.getShell().setText(CorrectionMessages.NewCUCompletionUsingWizardProposal_dialogtitle);
206
207 if (dialog.open() == Window.OK) {
208 createdType= (IType) getCreatedElement();
209 }
210 } else {
211 addPages();
212 try {
213 NewTypeWizardPage page= newcuusingwizardproposal.getPage(this);
214 page.createType(null);
215 createdType= page.getCreatedType();
216 } catch (CoreException e) {
217 JavaPlugin.log(e);
218 } catch (InterruptedException e) {
219 }
220 }
221
222 if (createdType != null) {
223 IJavaElement container= createdType.getParent();
224 if (container instanceof ICompilationUnit) {
225 container= container.getParent();
226 }
227 if (!container.equals(newcuusingwizardproposal.fTypeContainer)) {
228 // add import
229 try {
230 ImportRewrite rewrite= StubUtility.createImportRewrite(newcuusingwizardproposal.fCompilationUnit, true);
231 rewrite.addImport(createdType.getFullyQualifiedName('.'));
232 JavaModelUtil.applyEdit(newcuusingwizardproposal.fCompilationUnit, rewrite.rewriteImports(null), false, null);
233 } catch (CoreException e) {
234 }
235 }
236 newcuusingwizardproposal.fCreatedType= createdType;
237 }
238 }
239
240}
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