com.tasktop.c2c.server.common.web.client.widgets.BigDecimalBox.java Source code

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Here is the source code for com.tasktop.c2c.server.common.web.client.widgets.BigDecimalBox.java

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/*******************************************************************************
 * Copyright (c) 2010, 2012 Tasktop Technologies
 * Copyright (c) 2010, 2011 SpringSource, a division of VMware
 * 
 * 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:
 *     Tasktop Technologies - initial API and implementation
 ******************************************************************************/
package com.tasktop.c2c.server.common.web.client.widgets;

import java.math.BigDecimal;
import java.text.ParseException;

import com.google.gwt.dom.client.Document;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.text.shared.AbstractRenderer;
import com.google.gwt.text.shared.Parser;
import com.google.gwt.user.client.ui.ValueBox;

/**
 * @author cmorgan (Tasktop Technologies Inc.)
 * 
 */
public class BigDecimalBox extends ValueBox<BigDecimal> {

    /**
     * @param element
     * @param renderer
     * @param parser
     */
    public BigDecimalBox() {
        super(Document.get().createTextInputElement(), new AbstractRenderer<BigDecimal>() {

            @Override
            public String render(BigDecimal object) {
                if (object == null) {
                    return "";
                }
                return NumberFormat.getDecimalFormat().format(object);
            }

        }, new Parser<BigDecimal>() {

            @Override
            public BigDecimal parse(CharSequence text) throws ParseException {
                try {
                    return new BigDecimal(text.toString());
                } catch (NumberFormatException e) {
                    return null;
                }
            }
        });
    }
}