/*******************************************************************************
 * Copyright (c) 2007, 2010 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.spreadsheet.graph.creator;

import java.util.Collection;

import org.simantics.databoard.Bindings;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.data.DoubleMatrix;
import org.simantics.layer0.Layer0;
import org.simantics.spreadsheet.ModelCellManager.CellCreationData;
import org.simantics.spreadsheet.common.cell.Parsers;
import org.simantics.spreadsheet.graph.request.RowsColumnsIndex;
import org.simantics.spreadsheet.resource.SpreadsheetResource;

public class MatrixCellCreator extends CellCreatorBase {

    public MatrixCellCreator(Resource realization) {
        super(realization);
    }


    @Override
    public void create(WriteGraph graph, final RowsColumnsIndex rowIndex, final RowsColumnsIndex columnIndex, final Collection<CellCreationData> data) throws DatabaseException {

        Layer0 l0 = Layer0.getInstance(graph);
        SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);

        Resource spreadsheet = graph.getPossibleObject(realization, l0.Represents);

        for(CellCreationData datum : data) {

            String text = getProperty(datum, Parsers.LABEL_PROPERTY, Bindings.STRING);
            String[] size = text.replace("Mat(", "").replace(")", "").split(",");
            if(size.length != 2) continue;
            Integer rows = Integer.parseInt(size[0]);
            Integer columns = Integer.parseInt(size[1]);

            DoubleMatrix matrix = new DoubleMatrix(rows, columns);

            Resource newCell = graph.newResource();
            graph.claim(newCell, l0.InstanceOf, null, sr.MatrixCell);
            Resource rowResource = rowIndex.getResource(datum.row);
            Resource columnResource = columnIndex.getResource(datum.column);
            graph.claim(newCell, sr.HasRow, sr.RowOf, rowResource);
            graph.claim(newCell, sr.HasColumn, sr.ColumnOf, columnResource);
            graph.addLiteral(newCell, sr.Value, sr.ValueOf, l0.Value, matrix, Bindings.getBindingUnchecked(DoubleMatrix.class));
            graph.claim(spreadsheet, l0.ConsistsOf, l0.PartOf, newCell);
        }

    }

}