/*******************************************************************************
* Copyright (c) 2012 Timur Achmetow 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:
* Timur Achmetow - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.activity.ui.provider;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.tasks.activity.core.IActivityStream;
/**
* @author Timur Achmetow
*/
@SuppressWarnings("restriction")
public class ActivityRecordContentProvider implements ITreeContentProvider {
private static final String PLUGIN_ID = "org.eclipse.mylyn.tasks.activity.ui"; //$NON-NLS-1$
private static final Object[] NO_ELEMENTS = new Object[0];
private IActivityStream activityStream;
public void dispose() {
activityStream = null;
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof IActivityStream) {
IActivityStream activityStream = (IActivityStream) newInput;
querryProvider(activityStream);
this.activityStream = activityStream;
}
}
public Object[] getElements(Object inputElement) {
return activityStream.getEvents().toArray();
}
public Object[] getChildren(Object parentElement) {
return NO_ELEMENTS;
}
public Object getParent(Object element) {
return null;
}
public boolean hasChildren(Object element) {
return false;
}
private void querryProvider(IActivityStream activityStream) {
try {
activityStream.query(null);
} catch (CoreException e) {
StatusHandler.log(new Status(IStatus.ERROR, PLUGIN_ID,
"Problem occured when querry the TaskActivityProvider.", e)); //$NON-NLS-1$
}
}
}