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1
11 package org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.util.ArrayList ;
15 import java.util.Iterator ;
16 import java.util.List ;
17
18 import org.eclipse.core.runtime.CoreException;
19 import org.eclipse.core.runtime.IProgressMonitor;
20 import org.eclipse.core.runtime.NullProgressMonitor;
21 import org.eclipse.core.runtime.SubProgressMonitor;
22
23 import org.eclipse.jface.operation.IRunnableContext;
24 import org.eclipse.jface.operation.IRunnableWithProgress;
25 import org.eclipse.jface.viewers.IStructuredSelection;
26 import org.eclipse.jface.viewers.StructuredSelection;
27
28 import org.eclipse.ui.IWorkbenchSite;
29 import org.eclipse.ui.PlatformUI;
30 import org.eclipse.ui.part.ISetSelectionTarget;
31
32 import org.eclipse.jdt.core.IClasspathEntry;
33 import org.eclipse.jdt.core.IJavaElement;
34 import org.eclipse.jdt.core.IJavaProject;
35 import org.eclipse.jdt.core.IPackageFragmentRoot;
36 import org.eclipse.jdt.core.JavaModelException;
37
38 import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta;
39 import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier;
40
41 import org.eclipse.jdt.internal.ui.JavaPlugin;
42 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
43 import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement;
44 import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElementAttribute;
45
46 public class ResetAction extends BuildpathModifierAction {
49
50 private final IRunnableContext fContext;
51
52 public ResetAction(IWorkbenchSite site) {
53 this(site, null, PlatformUI.getWorkbench().getProgressService());
54 }
55
56 public ResetAction(IRunnableContext context, ISetSelectionTarget selectionTarget) {
57 this(null, selectionTarget, context);
58 }
59
60 public ResetAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, IRunnableContext context) {
61 super(site, selectionTarget, BuildpathModifierAction.RESET);
62
63 fContext= context;
64
65 setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Reset_tooltip);
66 setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Reset_tooltip);
67 }
68
69
72 public String getDetailedDescription() {
73 if (!isEnabled())
74 return null;
75
76 Iterator iterator= getSelectedElements().iterator();
77 Object p= iterator.next();
78 while (iterator.hasNext()) {
79 Object q= iterator.next();
80 if (
81 (p instanceof CPListElementAttribute && !(q instanceof CPListElementAttribute)) ||
82 (q instanceof CPListElementAttribute && !(p instanceof CPListElementAttribute))
83 ) {
84 return NewWizardMessages.PackageExplorerActionGroup_FormText_Default_Reset;
85 }
86 p= q;
87 }
88 if (p instanceof CPListElementAttribute) {
89 return NewWizardMessages.PackageExplorerActionGroup_FormText_SetOutputToDefault;
90 } else {
91 return NewWizardMessages.PackageExplorerActionGroup_FormText_ResetFilters;
92 }
93 }
94
95
98 public void run() {
99 final IRunnableWithProgress runnable= new IRunnableWithProgress() {
100 public void run(IProgressMonitor monitor) throws InvocationTargetException , InterruptedException {
101 try {
102 Object firstElement= getSelectedElements().get(0);
103 IJavaProject project= null;
104 if (firstElement instanceof IJavaProject) {
105 project= (IJavaProject)firstElement;
106 } else if (firstElement instanceof IPackageFragmentRoot) {
107 project= ((IPackageFragmentRoot)firstElement).getJavaProject();
108 } else {
109 project= ((CPListElementAttribute)firstElement).getParent().getJavaProject();
110 }
111
112 List result= reset(getSelectedElements(), project, monitor);
113 selectAndReveal(new StructuredSelection(result));
114 } catch (CoreException e) {
115 throw new InvocationTargetException (e);
116 }
117 }
118 };
119 try {
120 fContext.run(false, false, runnable);
121 } catch (InvocationTargetException e) {
122 if (e.getCause() instanceof CoreException) {
123 showExceptionDialog((CoreException)e.getCause(), ""); } else {
125 JavaPlugin.log(e);
126 }
127 } catch (InterruptedException e) {
128 }
129 }
130
131 private List reset(List selection, IJavaProject project, IProgressMonitor monitor) throws JavaModelException {
132 if (monitor == null)
133 monitor= new NullProgressMonitor();
134 try {
135 monitor.beginTask(NewWizardMessages.ClasspathModifier_Monitor_Resetting, selection.size());
136 List entries= ClasspathModifier.getExistingEntries(project);
137 List result= new ArrayList ();
138 for (int i= 0; i < selection.size(); i++) {
139 Object element= selection.get(i);
140 if (element instanceof IJavaElement) {
141 IJavaElement javaElement= (IJavaElement) element;
142 IPackageFragmentRoot root;
143 if (element instanceof IJavaProject)
144 root= project.getPackageFragmentRoot(project.getResource());
145 else
146 root= (IPackageFragmentRoot) element;
147 CPListElement entry= ClasspathModifier.getClasspathEntry(entries, root);
148 ClasspathModifier.resetFilters(javaElement, entry, project, new SubProgressMonitor(monitor, 1));
149 result.add(javaElement);
150 } else {
151 CPListElement selElement= ((CPListElementAttribute) element).getParent();
152 CPListElement entry= ClasspathModifier.getClasspathEntry(entries, selElement);
153 CPListElementAttribute outputFolder= ClasspathModifier.resetOutputFolder(entry, project);
154 result.add(outputFolder);
155 }
156 }
157
158 ClasspathModifier.commitClassPath(entries, project, null);
159
160 BuildpathDelta delta= new BuildpathDelta(getToolTipText());
161 delta.setNewEntries((CPListElement[])entries.toArray(new CPListElement[entries.size()]));
162 informListeners(delta);
163
164 return result;
165 } finally {
166 monitor.done();
167 }
168 }
169
170 protected boolean canHandle(IStructuredSelection elements) {
171 try {
172 for (Iterator iterator= elements.iterator(); iterator.hasNext();) {
173 Object element= iterator.next();
174 if (element instanceof IJavaProject) {
175 IJavaProject project= (IJavaProject)element;
176 if (!project.isOnClasspath(project))
177 return false;
178
179 IClasspathEntry entry= ClasspathModifier.getClasspathEntryFor(project.getPath(), project, IClasspathEntry.CPE_SOURCE);
180 if (entry.getInclusionPatterns().length == 0 && entry.getExclusionPatterns().length == 0)
181 return false;
182
183 return true;
184 } else if (element instanceof IPackageFragmentRoot) {
185 if (ClasspathModifier.filtersSet((IPackageFragmentRoot)element))
186 return true;
187 } else if (element instanceof CPListElementAttribute) {
188 if (!ClasspathModifier.isDefaultOutputFolder((CPListElementAttribute)element))
189 return true;
190 } else {
191 return false;
192 }
193 }
194 } catch (JavaModelException e) {
195 return false;
196 }
197 return false;
198 }
199 } |
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