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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 / buildpaths / newsourcepage / EditOutputFolderAction.java
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1b2798f6
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.buildpaths.newsourcepage;
12
13import java.lang.reflect.InvocationTargetException;
14import java.util.ArrayList;
15import java.util.Iterator;
16import java.util.List;
17
18import org.eclipse.swt.widgets.Shell;
19
20import org.eclipse.core.runtime.Assert;
21import org.eclipse.core.runtime.CoreException;
22import org.eclipse.core.runtime.IProgressMonitor;
23import org.eclipse.core.runtime.SubProgressMonitor;
24
25import org.eclipse.core.resources.IFolder;
26import org.eclipse.core.resources.IResource;
27
28import org.eclipse.jface.dialogs.MessageDialog;
29import org.eclipse.jface.operation.IRunnableContext;
30import org.eclipse.jface.operation.IRunnableWithProgress;
31import org.eclipse.jface.viewers.IStructuredSelection;
32import org.eclipse.jface.viewers.StructuredSelection;
33import org.eclipse.jface.window.Window;
34
35import org.eclipse.ui.IWorkbenchSite;
36import org.eclipse.ui.PlatformUI;
37import org.eclipse.ui.part.ISetSelectionTarget;
38
39import org.eclipse.jdt.core.IClasspathEntry;
40import org.eclipse.jdt.core.IJavaProject;
41import org.eclipse.jdt.core.IPackageFragmentRoot;
42import org.eclipse.jdt.core.JavaCore;
43import org.eclipse.jdt.core.JavaModelException;
44
45import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta;
46import org.eclipse.jdt.internal.corext.buildpath.CPJavaProject;
47import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier;
48import org.eclipse.jdt.internal.corext.util.Messages;
49
50import org.eclipse.jdt.internal.ui.JavaPlugin;
51import org.eclipse.jdt.internal.ui.JavaPluginImages;
52import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
53import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
54import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement;
55import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElementAttribute;
56import org.eclipse.jdt.internal.ui.wizards.buildpaths.OutputLocationDialog;
57
58//SelectedElements iff enabled: (IPackageFragmentRoot || IJavaProject || CPListElementAttribute) && size == 1
59public class EditOutputFolderAction extends BuildpathModifierAction {
60
61 private final IRunnableContext fContext;
62 private boolean fShowOutputFolders;
63
64 public EditOutputFolderAction(final IWorkbenchSite site) {
65 this(site, null, PlatformUI.getWorkbench().getProgressService());
66
67 fShowOutputFolders= true;
68 }
69
70 public EditOutputFolderAction(IRunnableContext context, ISetSelectionTarget selectionTarget) {
71 this(null, selectionTarget, context);
72 }
73
74 private EditOutputFolderAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, IRunnableContext context) {
75 super(site, selectionTarget, BuildpathModifierAction.EDIT_OUTPUT);
76
77 fContext= context;
78 fShowOutputFolders= false;
79
80 setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_EditOutput_label);
81 setImageDescriptor(JavaPluginImages.DESC_ELCL_CONFIGURE_OUTPUT_FOLDER);
82 setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_EditOutput_tooltip);
83 setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_CONFIGURE_OUTPUT_FOLDER);
84 }
85
86 /**
87 * {@inheritDoc}
88 */
89 @Override
90 public String getDetailedDescription() {
91 return NewWizardMessages.PackageExplorerActionGroup_FormText_EditOutputFolder;
92 }
93
94
95 public void showOutputFolders(boolean showOutputFolders) {
96 fShowOutputFolders= showOutputFolders;
97 }
98
99 /**
100 * {@inheritDoc}
101 */
102 @Override
103 public void run() {
104 try {
105
106 final Shell shell= getShell();
107
108 final IJavaProject javaProject;
109 CPListElement cpElement= null;
110 Object firstElement= getSelectedElements().get(0);
111 if (firstElement instanceof IJavaProject) {
112 javaProject= (IJavaProject)firstElement;
113
114 final IClasspathEntry entry= ClasspathModifier.getClasspathEntryFor(javaProject.getPath(), javaProject, IClasspathEntry.CPE_SOURCE);
115 cpElement= CPListElement.createFromExisting(entry, javaProject);
116 } else if (firstElement instanceof IPackageFragmentRoot) {
117 IPackageFragmentRoot root= (IPackageFragmentRoot)firstElement;
118
119 javaProject= root.getJavaProject();
120
121 final IClasspathEntry entry= ClasspathModifier.getClasspathEntryFor(root.getPath(), javaProject, IClasspathEntry.CPE_SOURCE);
122 cpElement= CPListElement.createFromExisting(entry, javaProject);
123 } else if (firstElement instanceof CPListElementAttribute) {
124 CPListElementAttribute attribute= (CPListElementAttribute)firstElement;
125
126 cpElement= attribute.getParent();
127 javaProject= cpElement.getJavaProject();
128 } else {
129 return;
130 }
131
132 final List<CPListElement> classpathEntries= ClasspathModifier.getExistingEntries(javaProject);
133 final CPListElement element= ClasspathModifier.getClasspathEntry(classpathEntries, cpElement);
134
135 final OutputLocationDialog dialog= new OutputLocationDialog(shell, element, classpathEntries, javaProject.getOutputLocation(), false);
136 if (dialog.open() != Window.OK)
137 return;
138
139 final CPJavaProject cpProject= CPJavaProject.createFromExisting(javaProject);
140 final BuildpathDelta delta= cpProject.generated_2854853818809277972(element, dialog);
141
142 IFolder oldOutputFolder= getOldOutputFolder(delta);
143 final IFolder folderToDelete;
144 if (oldOutputFolder != null) {
145 String message= Messages.format(NewWizardMessages.EditOutputFolderAction_DeleteOldOutputFolderQuestion, BasicElementLabels.getPathLabel(oldOutputFolder.getFullPath(), false));
146 if (MessageDialog.openQuestion(getShell(), NewWizardMessages.OutputLocationDialog_title, message)) {
147 folderToDelete= oldOutputFolder;
148 } else {
149 folderToDelete= null;
150 }
151 } else {
152 folderToDelete= null;
153 }
154
155 try {
156 final IRunnableWithProgress runnable= new IRunnableWithProgress() {
157 public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
158 try {
159 monitor.beginTask(NewWizardMessages.EditOutputFolderAction_ProgressMonitorDescription, 50 + (folderToDelete == null?0:10));
160
161 ClasspathModifier.commitClassPath(cpProject, new SubProgressMonitor(monitor, 50));
162 if (folderToDelete != null)
163 folderToDelete.delete(true, new SubProgressMonitor(monitor, 10));
164
165 informListeners(delta);
166 selectAndReveal(new StructuredSelection(JavaCore.create(element.getResource())));
167 } catch (CoreException e) {
168 throw new InvocationTargetException(e);
169 } finally {
170 monitor.done();
171 }
172 }
173 };
174 fContext.run(false, false, runnable);
175 } catch (final InvocationTargetException e) {
176 JavaPlugin.log(e);
177 } catch (final InterruptedException e) {
178 }
179
180 } catch (final CoreException e) {
181 showExceptionDialog(e, NewWizardMessages.EditOutputFolderAction_ErrorDescription);
182 }
183 }
184
185 private IFolder getOldOutputFolder(final BuildpathDelta delta) {
186 IResource[] deletedResources= delta.getDeletedResources();
187 List<IResource> existingFolders= new ArrayList<IResource>();
188 for (int i= 0; i < deletedResources.length; i++) {
189 if (deletedResources[i] instanceof IFolder && deletedResources[i].exists()) {
190 existingFolders.add(deletedResources[i]);
191 }
192 }
193 if (existingFolders.size() > 0) {
194 if (existingFolders.size() > 1) {
195 String message= "Found more then one existing folders:"; //$NON-NLS-1$
196 for (Iterator<IResource> iterator= existingFolders.iterator(); iterator.hasNext();) {
197 IFolder folder= (IFolder)iterator.next();
198 message+= "\n" + folder.toString(); //$NON-NLS-1$
199 }
200 Assert.isTrue(false, message);
201 }
202 return (IFolder)existingFolders.get(0);
203 }
204 return null;
205 }
206
207 @Override
208 protected boolean canHandle(final IStructuredSelection elements) {
209 if (!fShowOutputFolders)
210 return false;
211
212 if (elements.size() != 1)
213 return false;
214
215 final Object element= elements.getFirstElement();
216 try {
217 if (element instanceof IPackageFragmentRoot) {
218 final IPackageFragmentRoot root= (IPackageFragmentRoot)element;
219 if (root.getKind() != IPackageFragmentRoot.K_SOURCE)
220 return false;
221
222 IJavaProject javaProject= root.getJavaProject();
223 if (javaProject == null)
224 return false;
225
226 final IClasspathEntry entry= ClasspathModifier.getClasspathEntryFor(root.getPath(), javaProject, IClasspathEntry.CPE_SOURCE);
227 if (entry == null)
228 return false;
229
230 return true;
231 } else if (element instanceof IJavaProject) {
232 IJavaProject project= (IJavaProject)element;
233 if (!(ClasspathModifier.isSourceFolder(project)))
234 return false;
235
236 return true;
237 } else if (element instanceof CPListElementAttribute) {
238 CPListElementAttribute attribute= (CPListElementAttribute)element;
239 if (attribute.getKey() != CPListElement.OUTPUT)
240 return false;
241
242 return true;
243 }
244
245 } catch (final JavaModelException e) {
246 return false;
247 }
248 return false;
249 }
250}
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