package de.intevation.flys.client.client.utils;

import java.util.Map;

import com.google.gwt.core.client.GWT;

import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.FormItem;
import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;

import de.intevation.flys.client.client.FLYSConstants;

/**
 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
 *
 * This validator is used for SmartGWT FormItems.
 *
 * To use this validator an attribute named 'internalType' has to be set.
 * Values for 'internalType':
 *   'double'
 *   'integer'
 */
public class Validator implements ChangedHandler {

    /** The interface that provides i18n messages. */
    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);


    /**
     *
     */
    public void onChanged(ChangedEvent e) {
        FormItem item = e.getItem();
        DynamicForm form = e.getForm();
        Map errors = form.getErrors();
        String type = item.getAttribute("internalType");

        validate(item, errors);
        form.setErrors(errors, true);
    }


    protected boolean validate(FormItem item, Map errors) {
        return true;
    }
}