/*******************************************************************************
* Copyright (c) 2010, 2011 LogSaw project 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:
* LogSaw project committers - initial API and implementation
*******************************************************************************/
package net.sf.logsaw.ui.commands.handlers;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import net.sf.logsaw.core.logresource.ILogResource;
import net.sf.logsaw.ui.Messages;
import net.sf.logsaw.ui.UIPlugin;
import net.sf.logsaw.ui.parts.IRefreshablePart;
import net.sf.logsaw.ui.views.LogResourcesView;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* This handler removes one or more selected log resources.
*
* @author Philipp Nanz
*/
public class RemoveLogResourceHandler extends AbstractHandler {
/* (non-Javadoc)
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@SuppressWarnings("rawtypes")
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
// Get the view
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
IWorkbenchPage page = window.getActivePage();
IViewPart view = page.findView(LogResourcesView.ID);
// Get the selection
ISelection selection = view.getSite().getSelectionProvider()
.getSelection();
if ((selection != null) && (selection instanceof IStructuredSelection)) {
if (!MessageDialog.openQuestion(Display.getDefault().getActiveShell(),
Messages.RemoveLogResourceHandler_confirm_title,
Messages.RemoveLogResourceHandler_confirm_question)) {
return null;
}
// Collect for multi status
List<IStatus> statuses = new ArrayList<IStatus>();
Iterator it = ((IStructuredSelection) selection).iterator();
while (it.hasNext()) {
ILogResource log = (ILogResource) it.next();
if (UIPlugin.getDefault().getLogResourceManager().isJobInProgress(log)) {
// Log index is in use
statuses.add(new Status(IStatus.INFO, UIPlugin.PLUGIN_ID,
NLS.bind(Messages.Generic_info_jobInProgress, log.getName())));
continue;
}
// Close editors
IEditorReference[] editorRefs = page.findEditors(
(IEditorInput) log.getAdapter(IEditorInput.class),
null, IWorkbenchPage.MATCH_INPUT);
page.closeEditors(editorRefs, false);
try {
UIPlugin.getDefault().getLogResourceManager().remove(log);
} catch (CoreException e) {
statuses.add(e.getStatus());
}
}
// Save log resources
try {
UIPlugin.getDefault().getLogResourceManager().saveState();
} catch (CoreException e) {
statuses.add(e.getStatus());
}
// Refresh resource view
IRefreshablePart refresh = (IRefreshablePart) view.getAdapter(IRefreshablePart.class);
if (refresh != null) {
refresh.refresh();
}
if (!statuses.isEmpty()) {
IStatus multiStatus = new MultiStatus(UIPlugin.PLUGIN_ID,
0, statuses.toArray(new IStatus[statuses.size()]),
Messages.RemoveLogResourceHandler_info_someCouldNotBeRemoved, null);
// Log and show error
UIPlugin.logAndShowError(new CoreException(multiStatus), false);
}
}
return null;
}
}