/*******************************************************************************
 * 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.property;

import javax.vecmath.Vector3d;

import org.simantics.g3d.math.MathTools;

public class VectorPropertyManipulator implements PropertyManipulator {
	
	ValueProvider provider;
	protected Object input;
	
	boolean editMode;
	Vector3d editValue = null;
	
	public VectorPropertyManipulator(ValueProvider provider, Object input) {
		this.provider = provider;
		this.input = input;
	}
	
	@Override
	public int getValueCount() {
		return 3;
	}
	
	@Override
	public String getDescription(int i) {
		if (i == 0)
			return "X";
		if (i == 1)
			return "Y";
		if (i == 2)
			return "Z";
		return null;
	}
	
	@Override
	public String getValue(int i) {
		try {
			Vector3d v = _getValue();
			if (v == null)
				return null;
			if (i == 0)
				return Double.toString(MathTools.round(v.x, 10));
			if (i == 1)
				return Double.toString(MathTools.round(v.y, 10));
			if (i == 2)
				return Double.toString(MathTools.round(v.z, 10));
			return null;
		} catch (Exception e) {
			return null;
		}
	}
	
	@Override
	public String setValue(String value, int i) {
		try {
			Double d = Double.parseDouble(value);
			Vector3d v = _getValue();
			v = new Vector3d(v.x, v.y, v.z);
			if (i == 0)
				v.x = d;
			if (i == 1)
				v.y = d;
			if (i == 2)
				v.z = d;
			editValue = v;
			setValue(v);
		} catch (Exception e) {
			return e.getMessage();
		}
		return null;
	}
	
	protected void setValue(Vector3d v) throws Exception {
		provider.setValue(input, v);
	}
	
	private Vector3d _getValue() throws Exception{
		if (editMode)
			return editValue;
		return (Vector3d) provider.getValue(input);
	}
	
	@Override
	public boolean getEditMode() {
		return editMode;
	}
	
	@Override
	public void setEditMode(boolean b) {
		editMode = b;
		if (editMode) {
			try {
				editValue = (Vector3d) provider.getValue(input);
			} catch (Exception e) {
				
			}
		}
		
	}

}