|
1
11 package org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.CoreException;
18 import org.eclipse.core.runtime.IPath;
19 import org.eclipse.core.runtime.IProgressMonitor;
20
21 import org.eclipse.core.resources.IResource;
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.part.ISetSelectionTarget;
29
30 import org.eclipse.jdt.core.ElementChangedEvent;
31 import org.eclipse.jdt.core.IClasspathEntry;
32 import org.eclipse.jdt.core.IElementChangedListener;
33 import org.eclipse.jdt.core.IJavaProject;
34 import org.eclipse.jdt.core.JavaCore;
35 import org.eclipse.jdt.core.JavaModelException;
36
37 import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta;
38 import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier;
39
40 import org.eclipse.jdt.internal.ui.JavaPlugin;
41 import org.eclipse.jdt.internal.ui.JavaPluginImages;
42 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
43 import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement;
44
45 public class ResetAllAction extends BuildpathModifierAction {
47
48 private final HintTextGroup fProvider;
49 private final IRunnableContext fContext;
50 private IJavaProject fJavaProject;
51 private List fEntries;
52 private IPath fOutputLocation;
53
54 public ResetAllAction(HintTextGroup provider, IRunnableContext context, ISetSelectionTarget selectionTarget) {
55 super(null, selectionTarget, BuildpathModifierAction.RESET_ALL);
56
57 fProvider= provider;
58 fContext= context;
59
60 setImageDescriptor(JavaPluginImages.DESC_ELCL_CLEAR);
61 setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_CLEAR);
62 setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ClearAll_label);
63 setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ClearAll_tooltip);
64 setEnabled(false);
65 }
66
67
70 public String getDetailedDescription() {
71 return NewWizardMessages.PackageExplorerActionGroup_FormText_Default_ResetAll;
72 }
73
74 public void setBreakPoint(IJavaProject javaProject) {
75 fJavaProject= javaProject;
76 if (fJavaProject.exists()) {
77 try {
78 fEntries= ClasspathModifier.getExistingEntries(fJavaProject);
79 fOutputLocation= fJavaProject.getOutputLocation();
80 } catch (JavaModelException e) {
81 JavaPlugin.log(e);
82 return;
83 }
84 setEnabled(true);
85 } else {
86 JavaCore.addElementChangedListener(new IElementChangedListener() {
87
88 public void elementChanged(ElementChangedEvent event) {
89 if (fJavaProject.exists()) {
90 try {
91 fEntries= ClasspathModifier.getExistingEntries(fJavaProject);
92 fOutputLocation= fJavaProject.getOutputLocation();
93 } catch (JavaModelException e) {
94 JavaPlugin.log(e);
95 return;
96 } finally {
97 JavaCore.removeElementChangedListener(this);
98 }
99 setEnabled(true);
100 }
101 }
102
103 }, ElementChangedEvent.POST_CHANGE);
104 }
105 }
106
107
110 public void run() {
111
112 try {
113 final IRunnableWithProgress runnable= new IRunnableWithProgress() {
114 public void run(IProgressMonitor monitor) throws InvocationTargetException , InterruptedException {
115
116 monitor.beginTask("", 3); try {
118 if (!hasChange(fJavaProject))
119 return;
120
121 BuildpathDelta delta= new BuildpathDelta(getToolTipText());
122
123 ClasspathModifier.commitClassPath(fEntries, fJavaProject, monitor);
124 delta.setNewEntries((CPListElement[])fEntries.toArray(new CPListElement[fEntries.size()]));
125
126 fJavaProject.setOutputLocation(fOutputLocation, monitor);
127 delta.setDefaultOutputLocation(fOutputLocation);
128
129 for (Iterator iterator= fProvider.getCreatedResources().iterator(); iterator.hasNext();) {
130 IResource resource= (IResource)iterator.next();
131 resource.delete(false, null);
132 delta.addDeletedResource(resource);
133 }
134
135 fProvider.resetCreatedResources();
136
137 informListeners(delta);
138
139 selectAndReveal(new StructuredSelection(fJavaProject));
140 } catch (JavaModelException e) {
141 showExceptionDialog(e, NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ClearAll_tooltip);
142 } catch (CoreException e) {
143 showExceptionDialog(e, NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ClearAll_tooltip);
144 } finally {
145 monitor.done();
146 }
147 }
148 };
149 fContext.run(false, false, runnable);
150 } catch (InvocationTargetException e) {
151 if (e.getCause() instanceof CoreException) {
152 showExceptionDialog((CoreException)e.getCause(), NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ClearAll_tooltip);
153 } else {
154 JavaPlugin.log(e);
155 }
156 } catch (InterruptedException e) {
157 }
158 }
159
160
161
164 protected boolean canHandle(IStructuredSelection elements) {
165 if (fJavaProject == null)
166 return false;
167
168 return true;
169 }
170
171
172 private boolean hasChange(IJavaProject project) throws JavaModelException {
174 if (!project.getOutputLocation().equals(fOutputLocation))
175 return true;
176
177 IClasspathEntry[] currentEntries= project.getRawClasspath();
178 if (currentEntries.length != fEntries.size())
179 return true;
180
181 int i= 0;
182 for (Iterator iterator= fEntries.iterator(); iterator.hasNext();) {
183 CPListElement oldEntrie= (CPListElement)iterator.next();
184 if (!oldEntrie.getClasspathEntry().equals(currentEntries[i]))
185 return true;
186 i++;
187 }
188 return false;
189 }
190 }
191 |
Popular Tags |
Java API By Example, From Geeks To Geeks.