/*******************************************************************************
 * 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 java.util.Arrays;

public class DoubleArrayPropertyManipulator implements PropertyManipulator {
	
	ValueProvider provider;
	Object input;
	
	boolean editMode;
	double[] editValue = null;
	
	public DoubleArrayPropertyManipulator(ValueProvider provider, Object input) {
		this.provider = provider;
		this.input = input;
	}
	
	@Override
    public int getValueCount() {
        return 1;
    }
	
	@Override
    public String getDescription(int i) {
        return "Value";
    }
	
	private double[] getValue() {
        try {
            return (double[])provider.getValue(input);
        } catch (Exception e) {
            return new double[0];
        }
    }
	
	@Override
	public String getValue(int i) {
		if (editMode) {
		    return Arrays.toString(editValue);
		}
		try {
		    double[] val = getValue();
			if (val == null) return null;
		    return Arrays.toString(val);
		} catch (Exception e) {
			return null;
		}
	}
	
	@Override
	public String setValue(String value, int i) {
		try {
		    value = value.trim();
			if (value.startsWith("[") && value.endsWith("]")) {
			    value = value.substring(1,value.length()-1);
			    String vals[] = value.split(",");
			    double val[] = new double[vals.length];
			    for (int j = 0; j < vals.length; j++) {
			        val[j] = Double.parseDouble(vals[j]);
			    }
			    provider.setValue(input, val);    
			} else {
			    return "Input must be values between [] characters separated with ,";
			}
			
		} catch (Exception e) {
			return e.getMessage();
		}
		return null;
	}

	@Override
	public boolean getEditMode() {
		return editMode;
	}
	
	@Override
	public void setEditMode(boolean b) {
		editMode = b;
		if (editMode) {
			try {
				editValue = getValue();
			} catch (Exception e) {
				
			}
		}
		
	}
}