package com.temp.foundation.client.widget.table;

import com.temp.common.shared.utils.*;

import java.util.*;

/**
 * @param <F> - the field key type
 *
 * @author paule
 */
public abstract class DataRow<F> {
    private Map<F, Object> fieldValues = new HashMap<F, Object>();
    private int rowNumber;

    public Object getFieldValue( F field ) {
        return fieldValues.get( field );
    }

    public final String getNonNullValueString( F field ) {
        return StringUtils.deNull( toString( field ) );
    }

    public String getValueString( F field ) {
        Object value = getFieldValue( field );
        return (value != null ? value.toString() : null);
    }

    public void setFieldValue( F field, Object value ) {
        fieldValues.put( field, value );
    }

    protected String toString( F field ) {
        Object value = getFieldValue( field );

        if ( null != value ) {
            return (value instanceof Displayable) ? ((Displayable) value).getDisplayString() : value.toString();
        }
        return null;
    }

    protected void addFieldValue( F field, Object value ) {
        if ( field != null ) {
            if ( field instanceof ColumnHidable ) {
                if ( ((ColumnHidable) field).hideColumn() ) {
                    return;
                }
            }
            fieldValues.put( field, value );
        }
    }

    public void setId( int rowNumber ) {
        this.rowNumber = rowNumber;
    }

    public int getRowNumber() {
        return rowNumber;
    }
}