/*
* Copyright (c) 2012 Data Harmonisation Panel
*
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution. If not, see <http://www.gnu.org/licenses/>.
*
* Contributors:
* HUMBOLDT EU Integrated Project #030962
* Data Harmonisation Panel <http://www.dhpanel.eu>
*/
package eu.esdihumboldt.hale.ui.views.tasks;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.ComboBoxViewerCellEditor;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import eu.esdihumboldt.hale.ui.views.tasks.model.ResolvedTask;
import eu.esdihumboldt.hale.ui.views.tasks.model.TaskUserData;
import eu.esdihumboldt.hale.ui.views.tasks.model.TaskUserData.TaskStatus;
import eu.esdihumboldt.hale.ui.views.tasks.service.TaskService;
/**
* Editing support for the task status
*
* @author Simon Templer
* @partner 01 / Fraunhofer Institute for Computer Graphics Research
*/
public class TaskStatusEditingSupport extends AbstractTaskEditingSupport {
/**
* Constructor
*
* @param viewer the column viewer
* @param taskService the task service
*/
public TaskStatusEditingSupport(ColumnViewer viewer, TaskService taskService) {
super(viewer, taskService);
}
/**
* @see EditingSupport#getCellEditor(Object)
*/
@Override
protected CellEditor getCellEditor(Object element) {
ComboBoxViewerCellEditor editor = new ComboBoxViewerCellEditor((Composite) getViewer().getControl(), SWT.READ_ONLY);
editor.setContenProvider(ArrayContentProvider.getInstance());
editor.setLabelProvider(new LabelProvider());
editor.setInput(new Object[]{TaskStatus.NEW, TaskStatus.ACTIVE, TaskStatus.COMPLETED, TaskStatus.IGNORED});
return editor;
}
/**
* @see EditingSupport#getValue(Object)
*/
@Override
protected Object getValue(Object element) {
ResolvedTask task = getTask(element);
Object value = null;
if (task != null) {
value = task.getTaskStatus();
}
if (value == null) {
// may not return null as value
return TaskStatus.ACTIVE;
}
else {
return value;
}
}
/**
* @see EditingSupport#setValue(Object, Object)
*/
@Override
protected void setValue(Object element, Object value) {
ResolvedTask task = getTask(element);
if (task != null) {
TaskUserData userData = getUserData(task);
userData.setTaskStatus((TaskStatus) value);
setUserData(task, userData);
}
}
}