org.jpos.ee.pm.vaadin.converters.ShowCollectionConverter.java Source code

Introduction

Here is the source code for org.jpos.ee.pm.vaadin.converters.ShowCollectionConverter.java

Source

/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2011 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.jpos.ee.pm.vaadin.converters;

import com.vaadin.ui.TextField;
import java.util.Collection;
import org.jpos.ee.pm.converter.ConverterException;
import org.jpos.ee.pm.core.PMContext;

/**
 *
 * @author jpaoletti
 */
public class ShowCollectionConverter extends VaadinConverter {

    @Override
    public Object visualize(PMContext ctx) throws ConverterException {
        Collection c = (Collection) ctx.get(PM_FIELD_VALUE);
        TextField field = (TextField) this.createBasicField(ctx);
        if (c != null) {
            field.setReadOnly(false);
            field.setColumns(100);
            field.setRows(c.size());
            StringBuilder sb = new StringBuilder("\n");
            for (Object o : c) {
                sb.append("- ").append(o).append("\n");
            }
            field.setValue(sb.toString());
            field.setReadOnly(true);
        }
        return field;
    }
}