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1
11 package org.eclipse.jdt.ui.actions;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.net.URI ;
15 import java.util.ArrayList ;
16 import java.util.Iterator ;
17 import java.util.List ;
18
19 import org.eclipse.core.filesystem.EFS;
20 import org.eclipse.core.filesystem.IFileStore;
21
22 import org.eclipse.core.runtime.CoreException;
23 import org.eclipse.core.runtime.IAdaptable;
24 import org.eclipse.core.runtime.IProgressMonitor;
25 import org.eclipse.core.runtime.SubProgressMonitor;
26
27 import org.eclipse.core.resources.IProject;
28 import org.eclipse.core.resources.IResource;
29 import org.eclipse.core.resources.IWorkspaceRoot;
30 import org.eclipse.core.resources.IWorkspaceRunnable;
31 import org.eclipse.core.resources.ResourcesPlugin;
32
33 import org.eclipse.jface.dialogs.MessageDialog;
34 import org.eclipse.jface.viewers.IStructuredSelection;
35
36 import org.eclipse.ui.IWorkbenchSite;
37 import org.eclipse.ui.IWorkingSet;
38 import org.eclipse.ui.PlatformUI;
39
40 import org.eclipse.jdt.core.IJavaElement;
41 import org.eclipse.jdt.core.IJavaModel;
42 import org.eclipse.jdt.core.JavaCore;
43
44 import org.eclipse.jdt.internal.corext.util.Messages;
45 import org.eclipse.jdt.internal.corext.util.Resources;
46
47 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
48 import org.eclipse.jdt.internal.ui.JavaPluginImages;
49 import org.eclipse.jdt.internal.ui.actions.ActionMessages;
50 import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter;
51 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
52
53
67 public class RefreshAction extends SelectionDispatchAction {
68
69
76 public RefreshAction(IWorkbenchSite site) {
77 super(site);
78 setText(ActionMessages.RefreshAction_label);
79 setToolTipText(ActionMessages.RefreshAction_toolTip);
80 JavaPluginImages.setLocalImageDescriptors(this, "refresh_nav.gif"); PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.REFRESH_ACTION);
82 }
83
84
87 public void selectionChanged(IStructuredSelection selection) {
88 setEnabled(checkEnabled(selection));
89 }
90
91 private boolean checkEnabled(IStructuredSelection selection) {
92 if (selection.isEmpty())
93 return true;
94 for (Iterator iter= selection.iterator(); iter.hasNext();) {
95 Object element= iter.next();
96 if (element instanceof IWorkingSet) {
97 } else if (element instanceof IAdaptable) {
99 IResource resource= (IResource)((IAdaptable)element).getAdapter(IResource.class);
100 if (resource == null)
101 return false;
102 if (resource.getType() == IResource.PROJECT && !((IProject)resource).isOpen())
103 return false;
104 } else {
105 return false;
106 }
107 }
108 return true;
109 }
110
111
114 public void run(IStructuredSelection selection) {
115 final IResource[] resources= getResources(selection);
116 IWorkspaceRunnable operation= new IWorkspaceRunnable() {
117 public void run(IProgressMonitor monitor) throws CoreException {
118 monitor.beginTask(ActionMessages.RefreshAction_progressMessage, resources.length * 2);
119 monitor.subTask(""); List javaElements= new ArrayList (5);
121 for (int r= 0; r < resources.length; r++) {
122 IResource resource= resources[r];
123 if (resource.getType() == IResource.PROJECT) {
124 checkLocationDeleted((IProject) resource);
125 } else if (resource.getType() == IResource.ROOT) {
126 IProject[] projects = ((IWorkspaceRoot)resource).getProjects();
127 for (int p = 0; p < projects.length; p++) {
128 checkLocationDeleted(projects[p]);
129 }
130 }
131 resource.refreshLocal(IResource.DEPTH_INFINITE, new SubProgressMonitor(monitor, 1));
132 IJavaElement jElement= JavaCore.create(resource);
133 if (jElement != null && jElement.exists())
134 javaElements.add(jElement);
135 }
136 IJavaModel model= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot());
137 model.refreshExternalArchives(
138 (IJavaElement[]) javaElements.toArray(new IJavaElement[javaElements.size()]),
139 new SubProgressMonitor(monitor, resources.length));
140 }
141 };
142
143 try {
144 PlatformUI.getWorkbench().getProgressService().run(true, true, new WorkbenchRunnableAdapter(operation));
145 } catch (InvocationTargetException e) {
146 ExceptionHandler.handle(e, getShell(),
147 ActionMessages.RefreshAction_error_title,
148 ActionMessages.RefreshAction_error_message);
149 } catch (InterruptedException e) {
150 }
152 }
153
154 private IResource[] getResources(IStructuredSelection selection) {
155 if (selection.isEmpty()) {
156 return new IResource[] {ResourcesPlugin.getWorkspace().getRoot()};
157 }
158
159 List result= new ArrayList (selection.size());
160 getResources(result, selection.toArray());
161
162 for (Iterator iter= result.iterator(); iter.hasNext();) {
163 IResource resource= (IResource) iter.next();
164 if (isDescendent(result, resource))
165 iter.remove();
166 }
167
168 return (IResource[]) result.toArray(new IResource[result.size()]);
169 }
170
171 private void getResources(List result, Object [] elements) {
172 for (int i= 0; i < elements.length; i++) {
173 Object element= elements[i];
174 if (element instanceof IWorkingSet) {
177 getResources(result, ((IWorkingSet)element).getElements());
178 } else if (element instanceof IAdaptable) {
179 IResource resource= (IResource)((IAdaptable)element).getAdapter(IResource.class);
180 if (resource == null)
181 continue;
182 if (resource.getType() != IResource.PROJECT ||
183 (resource.getType() == IResource.PROJECT && ((IProject)resource).isOpen())) {
184 result.add(resource);
185 }
186 }
187 }
188 }
189
190 private boolean isDescendent(List candidates, IResource element) {
191 IResource parent= element.getParent();
192 while (parent != null) {
193 if (candidates.contains(parent))
194 return true;
195 parent= parent.getParent();
196 }
197 return false;
198 }
199
200 private void checkLocationDeleted(IProject project) throws CoreException {
201 if (!project.exists())
202 return;
203 URI location= project.getLocationURI();
204 if (location == null)
205 return;
206 IFileStore store= EFS.getStore(location);
207 if (!store.fetchInfo().exists()) {
208 final String message = Messages.format(
209 ActionMessages.RefreshAction_locationDeleted_message,
210 new Object [] { project.getName(), Resources.getLocationString(project) });
211 final boolean[] result= new boolean[1];
212 getShell().getDisplay().syncExec(new Runnable () {
214 public void run() {
215 result[0]= MessageDialog.openQuestion(getShell(),
216 ActionMessages.RefreshAction_locationDeleted_title,
217 message);
218 }
219 });
220 if (result[0]) {
221 project.delete(true, true, null);
222 }
223 }
224 }
225 } |
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