bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/history/FileRevisionEditorInput.java

package org.eclipse.team.internal.ui.history;

import java.text.DateFormat;
import java.util.Date;

import org.eclipse.core.resources.IFileState;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
import org.eclipse.ui.model.IWorkbenchAdapter;

public class FileRevisionEditorInput implements IWorkbenchAdapter,IStorageEditorInput {

	private IFileRevision file;
	private IStorage storage;
	
	/**
	 * Creates FileRevisionEditorInput on the given file.
	 */
	public FileRevisionEditorInput(IFileRevision file) {
		this.file = file;
		//TODO: need a monitor
		try {
			this.storage = file.getStorage(new NullProgressMonitor());
		} catch (CoreException e) {
			// TODO Need to get storage before creating input
			TeamUIPlugin.log(e);
		}
	}
	
	public FileRevisionEditorInput(IFileState state) {
		this.storage = state;
		this.file = null;
	}

	public IStorage getStorage() throws CoreException {
		return storage;
	}

	public boolean exists() {
		return true;
	}

	public ImageDescriptor getImageDescriptor() {
		
		return null;
	}

	public String getName() {
		if (file != null)
			return NLS.bind(TeamUIMessages.nameAndRevision, new String[] { file.getName(), file.getContentIdentifier()});
		
		if (storage != null){
			return storage.getName() +  " " + DateFormat.getInstance().format(new Date(((IFileState) storage).getModificationTime())) ;
		}
		return "";
		
	}

	public IPersistableElement getPersistable() {
		//can't persist
		return null;
	}

	public String getToolTipText() {
		if (file != null)
			return file.getContentIdentifier();
		
		return "";
	}

	public Object getAdapter(Class adapter) {
		if (adapter == IWorkbenchAdapter.class) {
			return this;
		}
		return null;
	}

	public Object[] getChildren(Object o) {
		return new Object[0];
	}

	public ImageDescriptor getImageDescriptor(Object object) {
		// TODO Auto-generated method stub
		return null;
	}

	public String getLabel(Object o) {
		if (file != null)
			return file.getName();
		
		if (storage != null){
			return storage.getName();
		}
		return "";
	}

	public Object getParent(Object o) {
		return null;
	}


}