/*******************************************************************************
 * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
 * Industry THTH ry.
 * 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:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.g3d.vtk.property;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbenchSite;
import org.simantics.db.management.ISessionContext;
import org.simantics.selectionview.IPropertyTab;
import org.simantics.selectionview.PropertyTabContributor;
import org.simantics.utils.threads.IThreadWorkQueue;
import org.simantics.utils.threads.ThreadUtils;

import vtk.vtkActor;
import vtk.vtkAlgorithm;
import vtk.vtkAlgorithmOutput;
import vtk.vtkMapper;
import vtk.vtkProp;

public class VTKPropertyTabContributor implements PropertyTabContributor{
	
	private IThreadWorkQueue tq;
	public VTKPropertyTabContributor(IThreadWorkQueue tq) {
		this.tq = tq;
	}
	
	public org.simantics.selectionview.IPropertyTab create(Composite parent, IWorkbenchSite site, ISessionContext context, Object input) {
		IPropertyTab tab = new VTKPropertyTab((vtkProp)input);
		tab.createControl(parent, context);
		return tab;
	};
	
	
	public class VTKPropertyTab implements IPropertyTab {
		private Composite composite;
		private Text text;
		private vtkProp prop;
		
		public VTKPropertyTab(vtkProp prop) {
			this.prop = prop;
		}
		
		@Override
		public void createControl(Composite parent, ISessionContext context) {
			
			composite = new Composite(parent, SWT.NONE);
			composite.setLayout(new FillLayout());
			text = new Text(composite, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.READ_ONLY);
			ThreadUtils.asyncExec(tq, new Runnable() {
				
				@Override
				public void run() {
					String string = "";
					if (prop instanceof vtkActor) {
						vtkActor act = (vtkActor)prop;
						vtkMapper mapper = act.GetMapper();
						vtkAlgorithmOutput out = mapper.GetInputConnection(0, 0);
						vtkAlgorithm producer = out.GetProducer();
						string += producer.GetClassName() +"\n";
						out.Delete();
						mapper.Delete();
						producer.Delete();
					}
					string += prop.Print();
					final String s = string;
					Display.getDefault().asyncExec(new Runnable() {
						@Override
						public void run() {
							if (!text.isDisposed())
								text.setText(s);
						}
					});
				}
			});;
			
			
		}
		
		@Override
		public void requestFocus() {
			composite.setFocus();
		}
		
		@Override
		public void dispose() {
			composite.dispose();
		}
		
		@Override
		public boolean isDisposed() {
			return composite.isDisposed();
		}
		
		@Override
		public Control getControl() {
			return composite;
		}
		
		@Override
		public void setInput(ISessionContext context, ISelection selection,
				boolean force) {
			
		}
		
		@Override
		public ISelectionProvider getSelectionProvider() {
			return null;
		}
	}

}