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|
/*******************************************************************************
* Copyright (c) 2010, 2011 SAP AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Mathias Kinzler (SAP AG) - initial implementation
* Dariusz Luksza <dariusz@luksza.org> - add synchronization feature
* Daniel Megert <daniel_megert@ch.ibm.com> - Only check out on double-click
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository;
import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.commands.Command;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
import org.eclipse.egit.core.RepositoryCache;
import org.eclipse.egit.core.RepositoryUtil;
import org.eclipse.egit.core.project.RepositoryMapping;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.JobFamilies;
import org.eclipse.egit.ui.UIIcons;
import org.eclipse.egit.ui.UIText;
import org.eclipse.egit.ui.UIUtils;
import org.eclipse.egit.ui.internal.ConfigurationChecker;
import org.eclipse.egit.ui.internal.repository.tree.FileNode;
import org.eclipse.egit.ui.internal.repository.tree.RefNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNodeType;
import org.eclipse.egit.ui.internal.repository.tree.TagNode;
import org.eclipse.egit.ui.internal.trace.GitTraceLocation;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.JFaceColors;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IOpenListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.OpenEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.jgit.events.ConfigChangedEvent;
import org.eclipse.jgit.events.ConfigChangedListener;
import org.eclipse.jgit.events.IndexChangedEvent;
import org.eclipse.jgit.events.IndexChangedListener;
import org.eclipse.jgit.events.ListenerHandle;
import org.eclipse.jgit.events.RefsChangedEvent;
import org.eclipse.jgit.events.RefsChangedListener;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IPageLayout;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.contexts.IContextService;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Hyperlink;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.handlers.RegistryToggleState;
import org.eclipse.ui.navigator.CommonNavigator;
import org.eclipse.ui.navigator.CommonViewer;
import org.eclipse.ui.part.IPage;
import org.eclipse.ui.part.ShowInContext;
import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
import org.eclipse.ui.views.properties.IPropertySheetPage;
import org.eclipse.ui.views.properties.PropertySheet;
import org.eclipse.ui.views.properties.PropertySheetPage;
/**
* The "Git Repositories View"
*/
public class RepositoriesView extends CommonNavigator {
/** "remote" */
public static final String REMOTE = "remote"; //$NON-NLS-1$
/** "url" */
public static final String URL = "url"; //$NON-NLS-1$
/** "pushurl" */
public static final String PUSHURL = "pushurl"; //$NON-NLS-1$
/** "push" */
public static final String PUSH = "push"; //$NON-NLS-1$
/** "fetch" */
public static final String FETCH = "fetch"; //$NON-NLS-1$
/** view id */
public static final String VIEW_ID = "org.eclipse.egit.ui.RepositoriesView"; //$NON-NLS-1$
private static final long DEFAULT_REFRESH_DELAY = 1000;
private final Set<Repository> repositories = new HashSet<Repository>();
private final RefsChangedListener myRefsChangedListener;
private final IndexChangedListener myIndexChangedListener;
private final ConfigChangedListener myConfigChangeListener;
private final List<ListenerHandle> myListeners = new LinkedList<ListenerHandle>();
private Job scheduledJob;
private final RepositoryUtil repositoryUtil;
private final RepositoryCache repositoryCache;
private Composite emptyArea;
private StackLayout layout;
private long lastInputChange = 0L;
private long lastRepositoryChange = 0L;
private long lastInputUpdate = -1L;
private boolean reactOnSelection = false;
private final IPreferenceChangeListener configurationListener;
private ISelectionListener selectionChangedListener;
/**
* The default constructor
*/
public RepositoriesView() {
repositoryUtil = Activator.getDefault().getRepositoryUtil();
repositoryCache = org.eclipse.egit.core.Activator.getDefault()
.getRepositoryCache();
configurationListener = new IPreferenceChangeListener() {
public void preferenceChange(PreferenceChangeEvent event) {
lastInputChange = System.currentTimeMillis();
scheduleRefresh(DEFAULT_REFRESH_DELAY);
}
};
myRefsChangedListener = new RefsChangedListener() {
public void onRefsChanged(RefsChangedEvent e) {
lastRepositoryChange = System.currentTimeMillis();
scheduleRefresh(DEFAULT_REFRESH_DELAY);
}
};
myIndexChangedListener = new IndexChangedListener() {
public void onIndexChanged(IndexChangedEvent event) {
lastRepositoryChange = System.currentTimeMillis();
scheduleRefresh(DEFAULT_REFRESH_DELAY);
}
};
myConfigChangeListener = new ConfigChangedListener() {
public void onConfigChanged(ConfigChangedEvent event) {
lastRepositoryChange = System.currentTimeMillis();
scheduleRefresh(DEFAULT_REFRESH_DELAY);
}
};
selectionChangedListener = new ISelectionListener() {
public void selectionChanged(IWorkbenchPart part,
ISelection selection) {
if (!reactOnSelection)
return;
// this may happen if we switch between editors
if (part instanceof IEditorPart) {
IEditorInput input = ((IEditorPart) part).getEditorInput();
if (input instanceof IFileEditorInput)
reactOnSelection(new StructuredSelection(
((IFileEditorInput) input).getFile()));
} else {
reactOnSelection(selection);
}
}
};
}
/**
* Create area shown when no repositories are present
*
* @param parent
*/
protected void createEmptyArea(Composite parent) {
emptyArea = new Composite(parent, SWT.NONE);
emptyArea.setBackgroundMode(SWT.INHERIT_FORCE);
MenuManager manager = new MenuManager();
Menu menu = manager.createContextMenu(emptyArea);
emptyArea.setMenu(menu);
getSite().registerContextMenu(manager, getCommonViewer());
GridLayoutFactory.fillDefaults().applyTo(emptyArea);
Composite infoArea = new Composite(emptyArea, SWT.NONE);
infoArea.setMenu(menu);
GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.CENTER)
.grab(true, true).applyTo(infoArea);
GridLayoutFactory.swtDefaults().applyTo(infoArea);
Label messageLabel = new Label(infoArea, SWT.WRAP);
messageLabel.setText(UIText.RepositoriesView_messsageEmpty);
messageLabel.setMenu(menu);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, false).applyTo(messageLabel);
Composite optionsArea = new Composite(infoArea, SWT.NONE);
optionsArea.setMenu(menu);
GridLayoutFactory.swtDefaults().numColumns(2).applyTo(optionsArea);
GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.CENTER)
.grab(true, true).applyTo(optionsArea);
final FormToolkit toolkit = new FormToolkit(emptyArea.getDisplay());
emptyArea.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
toolkit.dispose();
}
});
final Color linkColor = JFaceColors.getHyperlinkText(emptyArea
.getDisplay());
Label addLabel = new Label(optionsArea, SWT.NONE);
addLabel.setImage(UIIcons.CREATE_REPOSITORY.createImage());
Hyperlink addLink = toolkit.createHyperlink(optionsArea,
UIText.RepositoriesView_linkAdd, SWT.WRAP);
addLink.setForeground(linkColor);
addLink.addHyperlinkListener(new HyperlinkAdapter() {
public void linkActivated(HyperlinkEvent e) {
IHandlerService service = (IHandlerService) getViewSite()
.getService(IHandlerService.class);
UIUtils.executeCommand(service,
"org.eclipse.egit.ui.RepositoriesViewAddRepository"); //$NON-NLS-1$
}
});
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, false).applyTo(addLink);
Label cloneLabel = new Label(optionsArea, SWT.NONE);
cloneLabel.setImage(UIIcons.CLONEGIT.createImage());
Hyperlink cloneLink = toolkit.createHyperlink(optionsArea,
UIText.RepositoriesView_linkClone, SWT.WRAP);
cloneLink.setForeground(linkColor);
cloneLink.addHyperlinkListener(new HyperlinkAdapter() {
public void linkActivated(HyperlinkEvent e) {
IHandlerService service = (IHandlerService) getViewSite()
.getService(IHandlerService.class);
UIUtils.executeCommand(service,
"org.eclipse.egit.ui.RepositoriesViewClone"); //$NON-NLS-1$
}
});
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, false).applyTo(cloneLink);
Label createLabel = new Label(optionsArea, SWT.NONE);
createLabel.setImage(UIIcons.NEW_REPOSITORY.createImage());
Hyperlink createLink = toolkit.createHyperlink(optionsArea,
UIText.RepositoriesView_linkCreate, SWT.WRAP);
createLink.setForeground(linkColor);
createLink.setText(UIText.RepositoriesView_linkCreate);
createLink.addHyperlinkListener(new HyperlinkAdapter() {
public void linkActivated(HyperlinkEvent e) {
IHandlerService service = (IHandlerService) getViewSite()
.getService(IHandlerService.class);
UIUtils.executeCommand(service,
"org.eclipse.egit.ui.RepositoriesViewCreateRepository"); //$NON-NLS-1$
}
});
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, false).applyTo(createLink);
}
@SuppressWarnings("boxing")
@Override
public void createPartControl(Composite aParent) {
Composite displayArea = new Composite(aParent, SWT.NONE);
layout = new StackLayout();
displayArea.setLayout(layout);
createEmptyArea(displayArea);
super.createPartControl(displayArea);
IWorkbenchWindow w = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow();
ICommandService csrv = (ICommandService) w
.getService(ICommandService.class);
Command command = csrv
.getCommand("org.eclipse.egit.ui.RepositoriesLinkWithSelection"); //$NON-NLS-1$
reactOnSelection = (Boolean) command.getState(
RegistryToggleState.STATE_ID).getValue();
IWorkbenchSiteProgressService service = (IWorkbenchSiteProgressService) getSite()
.getService(IWorkbenchSiteProgressService.class);
if (service != null) {
service.showBusyForFamily(JobFamilies.REPO_VIEW_REFRESH);
service.showBusyForFamily(JobFamilies.CLONE);
}
}
@Override
public Object getAdapter(Class adapter) {
// integrate with Properties view
if (adapter == IPropertySheetPage.class) {
PropertySheetPage page = new PropertySheetPage();
page
.setPropertySourceProvider(new RepositoryPropertySourceProvider(
page));
return page;
}
return super.getAdapter(adapter);
}
/**
* Used by the "link with selection" action
*
* @param reactOnSelection
*/
public void setReactOnSelection(boolean reactOnSelection) {
this.reactOnSelection = reactOnSelection;
}
@Override
protected CommonViewer createCommonViewer(Composite aParent) {
ConfigurationChecker.checkConfiguration();
CommonViewer viewer = super.createCommonViewer(aParent);
// handle the double-click event for tags and branches
viewer.addDoubleClickListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
TreeSelection sel = (TreeSelection) event.getSelection();
RepositoryTreeNode element = (RepositoryTreeNode) sel
.getFirstElement();
if (element instanceof RefNode || element instanceof TagNode) {
executeOpenCommand();
}
}
});
// handle open event for the working directory
viewer.addOpenListener(new IOpenListener() {
public void open(OpenEvent event) {
TreeSelection sel = (TreeSelection) event.getSelection();
RepositoryTreeNode element = (RepositoryTreeNode) sel
.getFirstElement();
if (element instanceof FileNode) {
executeOpenCommand();
}
}
});
// react on selection changes
ISelectionService srv = (ISelectionService) getSite().getService(
ISelectionService.class);
srv.addPostSelectionListener(selectionChangedListener);
// react on changes in the configured repositories
repositoryUtil.getPreferences().addPreferenceChangeListener(
configurationListener);
initRepositoriesAndListeners();
activateContextService();
emptyArea.setBackground(viewer.getControl().getBackground());
if (!repositories.isEmpty())
layout.topControl = viewer.getControl();
else
layout.topControl = emptyArea;
return viewer;
}
private void executeOpenCommand() {
IHandlerService srv = (IHandlerService) getViewSite()
.getService(IHandlerService.class);
try {
srv.executeCommand("org.eclipse.egit.ui.RepositoriesViewOpen", null); //$NON-NLS-1$
} catch (Exception e) {
Activator.handleError(e.getMessage(), e, false);
}
}
private void activateContextService() {
IContextService contextService = (IContextService) getSite()
.getService(IContextService.class);
if (contextService != null)
contextService.activateContext(VIEW_ID);
}
private void initRepositoriesAndListeners() {
synchronized (repositories) {
repositories.clear();
unregisterRepositoryListener();
// listen for repository changes
for (String dir : repositoryUtil.getConfiguredRepositories()) {
File repoDir = new File(dir);
try {
Repository repo = repositoryCache.lookupRepository(repoDir);
myListeners.add(repo.getListenerList()
.addIndexChangedListener(myIndexChangedListener));
myListeners.add(repo.getListenerList()
.addRefsChangedListener(myRefsChangedListener));
myListeners.add(repo.getListenerList()
.addConfigChangedListener(myConfigChangeListener));
repositories.add(repo);
} catch (IOException e) {
String message = NLS
.bind(UIText.RepositoriesView_ExceptionLookingUpRepoMessage,
repoDir.getPath());
Activator.handleError(message, e, false);
repositoryUtil.removeDir(repoDir);
}
}
}
}
@Override
public void dispose() {
// make sure to cancel the refresh job
if (this.scheduledJob != null) {
this.scheduledJob.cancel();
this.scheduledJob = null;
}
repositoryUtil.getPreferences().removePreferenceChangeListener(
configurationListener);
ISelectionService srv = (ISelectionService) getSite().getService(
ISelectionService.class);
srv.removePostSelectionListener(selectionChangedListener);
// remove RepositoryChangedListener
unregisterRepositoryListener();
repositories.clear();
super.dispose();
}
/**
* Opens the tree and marks the working directory file or folder that points
* to a resource if possible
*
* @param resource
* the resource to show
*/
@SuppressWarnings("unchecked")
private void showResource(final IResource resource) {
try {
IProject project = resource.getProject();
RepositoryMapping mapping = RepositoryMapping.getMapping(project);
if (mapping == null)
return;
boolean added = repositoryUtil.addConfiguredRepository(mapping
.getRepository().getDirectory());
if (added) {
scheduleRefresh(0);
}
if (this.scheduledJob != null) {
try {
this.scheduledJob.join();
} catch (InterruptedException e) {
Activator.handleError(e.getMessage(), e, false);
}
}
RepositoryTreeNode currentNode = null;
ITreeContentProvider cp = (ITreeContentProvider) getCommonViewer()
.getContentProvider();
for (Object repo : cp.getElements(getCommonViewer().getInput())) {
RepositoryTreeNode node = (RepositoryTreeNode) repo;
// TODO equals implementation of Repository?
if (mapping.getRepository().getDirectory().equals(
((Repository) node.getObject()).getDirectory())) {
for (Object child : cp.getChildren(node)) {
RepositoryTreeNode childNode = (RepositoryTreeNode) child;
if (childNode.getType() == RepositoryTreeNodeType.WORKINGDIR) {
currentNode = childNode;
break;
}
}
break;
}
}
IPath relPath = new Path(mapping.getRepoRelativePath(resource));
for (String segment : relPath.segments()) {
for (Object child : cp.getChildren(currentNode)) {
RepositoryTreeNode<File> childNode = (RepositoryTreeNode<File>) child;
if (childNode.getObject().getName().equals(segment)) {
currentNode = childNode;
break;
}
}
}
final RepositoryTreeNode selNode = currentNode;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
selectReveal(new StructuredSelection(selNode));
}
});
} catch (RuntimeException rte) {
Activator.handleError(rte.getMessage(), rte, false);
}
}
/**
* Reveals and shows the given repository in the view.
*
* @param repositoryToShow
*/
public void showRepository(Repository repositoryToShow) {
ITreeContentProvider cp = (ITreeContentProvider) getCommonViewer()
.getContentProvider();
for (Object repo : cp.getElements(getCommonViewer().getInput())) {
RepositoryTreeNode node = (RepositoryTreeNode) repo;
if (repositoryToShow.getDirectory().equals(node.getRepository().getDirectory()))
selectReveal(new StructuredSelection(node));
}
}
/**
* Refresh Repositories View
*/
public void refresh() {
lastInputUpdate = -1L;
scheduleRefresh(0);
}
private Job scheduleRefresh(long delay) {
boolean trace = GitTraceLocation.REPOSITORIESVIEW.isActive();
if (trace)
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW.getLocation(),
"Entering scheduleRefresh()"); //$NON-NLS-1$
if (scheduledJob != null
&& (scheduledJob.getState() == Job.RUNNING
|| scheduledJob.getState() == Job.WAITING || scheduledJob
.getState() == Job.SLEEPING)) {
if (trace)
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW.getLocation(),
"Pending refresh job, returning"); //$NON-NLS-1$
return scheduledJob;
}
final CommonViewer tv = getCommonViewer();
final boolean needsNewInput = lastInputChange > lastInputUpdate;
if (trace)
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW.getLocation(),
"New input required: " + needsNewInput); //$NON-NLS-1$
Job job = new Job("Refreshing Git Repositories view") { //$NON-NLS-1$
@Override
protected IStatus run(IProgressMonitor monitor) {
boolean actTrace = GitTraceLocation.REPOSITORIESVIEW.isActive();
if (actTrace)
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW.getLocation(),
"Running the update"); //$NON-NLS-1$
lastInputUpdate = System.currentTimeMillis();
if (needsNewInput)
initRepositoriesAndListeners();
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (tv.getTree().isDisposed())
return;
long start = 0;
boolean traceActive = GitTraceLocation.REPOSITORIESVIEW
.isActive();
if (traceActive) {
start = System.currentTimeMillis();
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW
.getLocation(),
"Starting async update job"); //$NON-NLS-1$
}
// keep expansion state and selection so that we can
// restore the tree
// after update
Object[] expanded = tv.getExpandedElements();
IStructuredSelection sel = (IStructuredSelection) tv
.getSelection();
if (needsNewInput) {
tv.setInput(ResourcesPlugin.getWorkspace()
.getRoot());
} else
tv.refresh(true);
tv.setExpandedElements(expanded);
Object selected = sel.getFirstElement();
if (selected != null)
tv.reveal(selected);
IViewPart part = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage()
.findView(IPageLayout.ID_PROP_SHEET);
if (part instanceof PropertySheet) {
PropertySheet sheet = (PropertySheet) part;
IPage page = sheet.getCurrentPage();
if (page instanceof PropertySheetPage)
((PropertySheetPage) page).refresh();
}
if (traceActive)
GitTraceLocation
.getTrace()
.trace(
GitTraceLocation.REPOSITORIESVIEW
.getLocation(),
"Ending async update job after " + (System.currentTimeMillis() - start) + " ms"); //$NON-NLS-1$ //$NON-NLS-2$
if (!repositories.isEmpty())
layout.topControl = getCommonViewer().getControl();
else
layout.topControl = emptyArea;
emptyArea.getParent().layout(true, true);
}
});
if (lastInputChange > lastInputUpdate
|| lastRepositoryChange > lastInputUpdate) {
if (actTrace)
GitTraceLocation.getTrace()
.trace(
GitTraceLocation.REPOSITORIESVIEW
.getLocation(),
"Rescheduling refresh job"); //$NON-NLS-1$
schedule(DEFAULT_REFRESH_DELAY);
}
return Status.OK_STATUS;
}
@Override
public boolean belongsTo(Object family) {
if (family.equals(JobFamilies.REPO_VIEW_REFRESH))
return true;
return super.belongsTo(family);
}
};
job.setSystem(true);
IWorkbenchSiteProgressService service = (IWorkbenchSiteProgressService) getSite()
.getService(IWorkbenchSiteProgressService.class);
if (trace)
GitTraceLocation.getTrace().trace(
GitTraceLocation.REPOSITORIESVIEW.getLocation(),
"Scheduling refresh job"); //$NON-NLS-1$
service.schedule(job, delay);
scheduledJob = job;
return scheduledJob;
}
private void unregisterRepositoryListener() {
for (ListenerHandle lh : myListeners)
lh.remove();
myListeners.clear();
}
public boolean show(ShowInContext context) {
ISelection selection = context.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection ss = (IStructuredSelection) selection;
if (ss.size() == 1) {
Object element = ss.getFirstElement();
if (element instanceof IAdaptable) {
IResource resource = (IResource) ((IAdaptable) element)
.getAdapter(IResource.class);
if (resource != null) {
showResource(resource);
return true;
}
}
}
}
if(context.getInput() instanceof IFileEditorInput) {
IFileEditorInput input = (IFileEditorInput) context.getInput();
showResource(input.getFile());
}
return false;
}
private void reactOnSelection(ISelection selection) {
if (selection instanceof StructuredSelection) {
StructuredSelection ssel = (StructuredSelection) selection;
if (ssel.size() != 1)
return;
if (ssel.getFirstElement() instanceof IResource)
showResource((IResource) ssel.getFirstElement());
if (ssel.getFirstElement() instanceof IAdaptable) {
IResource adapted = (IResource) ((IAdaptable) ssel
.getFirstElement()).getAdapter(IResource.class);
if (adapted != null)
showResource(adapted);
}
}
}
// TODO delete does not work because of file locks on .pack-files
// Shawn Pearce has added the following thoughts:
// Hmm. We probably can't active detect file locks on pack files on
// Windows, can we?
// It would be nice if we could support a delete, but only if the
// repository is
// reasonably believed to be not-in-use right now.
//
// Within EGit you might be able to check GitProjectData and its
// repositoryCache to
// see if the repository is open by this workspace. If it is, then
// we know we shouldn't
// try to delete it.
//
// Some coding might look like this:
//
// MenuItem deleteRepo = new MenuItem(men, SWT.PUSH);
// deleteRepo.setText("Delete");
// deleteRepo.addSelectionListener(new SelectionAdapter() {
//
// @Override
// public void widgetSelected(SelectionEvent e) {
//
// boolean confirmed = MessageDialog.openConfirm(getSite()
// .getShell(), "Confirm",
// "This will delete the repository, continue?");
//
// if (!confirmed)
// return;
//
// IWorkspaceRunnable wsr = new IWorkspaceRunnable() {
//
// public void run(IProgressMonitor monitor)
// throws CoreException {
// File workDir = repos.get(0).getRepository()
// .getWorkTree();
//
// File gitDir = repos.get(0).getRepository()
// .getDirectory();
//
// IPath wdPath = new Path(workDir.getAbsolutePath());
// for (IProject prj : ResourcesPlugin.getWorkspace()
// .getRoot().getProjects()) {
// if (wdPath.isPrefixOf(prj.getLocation())) {
// prj.delete(false, false, monitor);
// }
// }
//
// repos.get(0).getRepository().close();
//
// boolean deleted = deleteRecursively(gitDir, monitor);
// if (!deleted) {
// MessageDialog.openError(getSite().getShell(),
// "Error",
// "Could not delete Git Repository");
// }
//
// deleted = deleteRecursively(workDir, monitor);
// if (!deleted) {
// MessageDialog
// .openError(getSite().getShell(),
// "Error",
// "Could not delete Git Working Directory");
// }
//
// scheduleRefresh();
// }
//
// private boolean deleteRecursively(File fileToDelete,
// IProgressMonitor monitor) {
// if (fileToDelete.isDirectory()) {
// for (File file : fileToDelete.listFiles()) {
// if (!deleteRecursively(file, monitor)) {
// return false;
// }
// }
// }
// monitor.setTaskName(fileToDelete.getAbsolutePath());
// boolean deleted = fileToDelete.delete();
// if (!deleted) {
// System.err.println("Could not delete "
// + fileToDelete.getAbsolutePath());
// }
// return deleted;
// }
// };
//
// try {
// ResourcesPlugin.getWorkspace().run(wsr,
// ResourcesPlugin.getWorkspace().getRoot(),
// IWorkspace.AVOID_UPDATE,
// new NullProgressMonitor());
// } catch (CoreException e1) {
// handle this
// e1.printStackTrace();
// }
//
// }
//
// });
}
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