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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.history;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.*;
import org.eclipse.jface.viewers.*;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ui.*;
import org.eclipse.team.ui.history.HistoryPage;
import org.eclipse.team.ui.history.IHistoryPageSite;
import org.eclipse.ui.IWorkbenchActionConstants;
public class LocalHistoryPage extends HistoryPage {
Composite pgComp;
TableViewer tableViewer;
LocalHistoryTableProvider historyTableProvider;
/* private */boolean shutdown = false;
// cached for efficiency
/* private */IFileState[] entries;
protected FetchLocalHistoryJob fetchLocalHistoryJob;
private IHistoryPageSite parentSite;
private OpenLocalFileAction openAction;
public boolean showHistory(Object object, boolean refetch) {
if (object instanceof IFile) {
IFile newfile = (IFile) object;
if (!refetch || object == null)
return false;
//historyTableProvider.setFile(fileHistory, newfile);
tableViewer.setInput(newfile);
}
return true;
}
public boolean canShowHistoryFor(Object object) {
// TODO Auto-generated method stub
return false;
}
public void refresh() {
// TODO Auto-generated method stub
}
public String getName() {
// TODO Auto-generated method stub
return null;
}
public void setSite(IHistoryPageSite viewSite) {
this.parentSite = viewSite;
}
public void createControl(Composite parent) {
pgComp = new Composite(parent, SWT.NULL);
pgComp.setLayout(new FillLayout());
tableViewer = createTable(pgComp);
contributeActions();
}
private void contributeActions() {
// Double click open action
openAction = new OpenLocalFileAction(TeamUIMessages.LocalHistoryPage_openRevision);
tableViewer.getTable().addListener(SWT.DefaultSelection, new Listener() {
public void handleEvent(Event e) {
openAction.selectionChanged((IStructuredSelection) tableViewer.getSelection());
openAction.run();
}
});
//Contribute actions to popup menu
MenuManager menuMgr = new MenuManager();
Menu menu = menuMgr.createContextMenu(tableViewer.getTable());
menuMgr.addMenuListener(new IMenuListener() {
public void menuAboutToShow(IMenuManager menuMgr) {
fillTableMenu(menuMgr);
}
});
menuMgr.setRemoveAllWhenShown(true);
tableViewer.getTable().setMenu(menu);
parentSite.getWorkbenchPartSite().registerContextMenu(menuMgr, tableViewer);
}
/* private */void fillTableMenu(IMenuManager menuMgr) {
IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
openAction.selectionChanged(selection);
menuMgr.add(openAction);
/*compareAction.setEnabled(selection.size() == 2);
compareAction.selectionChanged(selection);
menuMgr.add(compareAction);*/
menuMgr.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
}
private TableViewer createTable(Composite parent) {
historyTableProvider = new LocalHistoryTableProvider();
TableViewer viewer = historyTableProvider.createTable(parent);
viewer.setContentProvider(new IStructuredContentProvider(){
public Object[] getElements(Object inputElement) {
//The entries of already been fetch so return them
if (entries != null)
return entries;
// The entries need to be fetch (or are being fetched)
if (!(inputElement instanceof IResource))
return null;
final IFile inputFile = (IFile) inputElement;
if (fetchLocalHistoryJob == null) {
fetchLocalHistoryJob = new FetchLocalHistoryJob();
}
IFile file = fetchLocalHistoryJob.getFile();
if (file == null || !file.equals(inputFile)) { // The resource
// has changed
// so stop the
// currently
// running job
if (fetchLocalHistoryJob.getState() != Job.NONE) {
fetchLocalHistoryJob.cancel();
try {
fetchLocalHistoryJob.join();
} catch (InterruptedException e) {
TeamUIPlugin.log(new TeamException(NLS.bind(TeamUIMessages.GenericHistoryView_ErrorFetchingEntries, new String[] {""}), e)); //$NON-NLS-1$
}
}
fetchLocalHistoryJob.setFile(inputFile);
} // Schedule the job even if it is already running
Utils.schedule(fetchLocalHistoryJob, /*getSite()*/parentSite.getWorkbenchPartSite());
return new Object[0];
}
public void dispose() {
// TODO Auto-generated method stub
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// TODO Auto-generated method stub
}
});
return viewer;
}
public Control getControl() {
return pgComp;
}
public void setFocus() {
pgComp.setFocus();
}
private class FetchLocalHistoryJob extends Job {
public IFile localFile;
public FetchLocalHistoryJob() {
super(TeamUIMessages.LocalHistoryPage_fetchingLocalHistory);
}
public IFile getFile() {
return localFile;
}
public void setFile(IFile file) {
localFile = file;
}
public IStatus run(IProgressMonitor monitor) {
try {
if (localFile != null && !shutdown) {
entries = localFile.getHistory(monitor);
getSite().getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
if (entries != null && tableViewer != null && !tableViewer.getTable().isDisposed()) {
tableViewer.refresh();
}
}
});
}
return Status.OK_STATUS;
} catch (CoreException e) {
return e.getStatus();
}
}
}
}
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