ExecutionContextViewerFactory.java

/**
 * Copyright (c) 2013 committers of YAKINDU 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:
 * 	committers of YAKINDU - initial API and implementation
 * 
 */
package org.yakindu.sct.simulation.ui.view;

import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationListener;
import org.eclipse.jface.viewers.ColumnViewerEditorDeactivationEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.yakindu.sct.simulation.ui.view.editing.BooleanEditingSupport;
import org.yakindu.sct.simulation.ui.view.editing.EnumerationEditingSupport;
import org.yakindu.sct.simulation.ui.view.editing.IntegerEditingSupport;
import org.yakindu.sct.simulation.ui.view.editing.MultiEditingSupport;
import org.yakindu.sct.simulation.ui.view.editing.RealEditingSupport;
import org.yakindu.sct.simulation.ui.view.editing.ScopeSlotEditingSupport.ITypeSystemProvider;
import org.yakindu.sct.simulation.ui.view.editing.StringEditingSupport;

/**
 * 
 * @author andreas muelder - Initial contribution and API
 * 
 */
public class ExecutionContextViewerFactory {

	public static TreeViewer createViewer(Composite parent, boolean readOnly, ITypeSystemProvider provider) {
		final TreeViewer viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
		viewer.getTree().setHeaderVisible(true);
		viewer.getTree().setLinesVisible(true);
		final ExecutionContextContentProvider contentProvider = new ExecutionContextContentProvider();
		viewer.setContentProvider(contentProvider);
		viewer.setFilters(new ViewerFilter[] { new TimeEventViewerFilter() });
		TreeViewerColumn nameColumn = new TreeViewerColumn(viewer, SWT.DEFAULT);
		nameColumn.getColumn().setText("Name");
		nameColumn.getColumn().setMoveable(true);
		nameColumn.getColumn().setWidth(150);
		nameColumn.setLabelProvider(new ExecutionContextLabelProvider(0));

		TreeViewerColumn valueColumn = new TreeViewerColumn(viewer, SWT.DEFAULT);
		valueColumn.getColumn().setText("Value");
		valueColumn.getColumn().setMoveable(true);
		valueColumn.getColumn().setWidth(100);
		if (!readOnly)
			valueColumn.setEditingSupport(new MultiEditingSupport(viewer, 
					new IntegerEditingSupport(viewer, provider), 
					new RealEditingSupport(viewer, provider), 
					new BooleanEditingSupport(viewer, provider),
					new StringEditingSupport(viewer, provider), 
					new EnumerationEditingSupport(viewer, provider)));

		valueColumn.setLabelProvider(new ExecutionContextLabelProvider(1));

		valueColumn.getViewer().getColumnViewerEditor()
				.addEditorActivationListener(new ColumnViewerEditorActivationListener() {
					@Override
					public void afterEditorDeactivated(ColumnViewerEditorDeactivationEvent event) {
						contentProvider.setShouldUpdate(true);
						viewer.refresh();
					}

					@Override
					public void afterEditorActivated(ColumnViewerEditorActivationEvent event) {
						contentProvider.setShouldUpdate(false);
					}

					@Override
					public void beforeEditorDeactivated(ColumnViewerEditorDeactivationEvent event) {
					}

					@Override
					public void beforeEditorActivated(ColumnViewerEditorActivationEvent event) {
					}
				});

		return viewer;
	}
}