/*
* Copyright 2013 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.overlord.dtgov.ui.client.local.util;
import org.jboss.errai.databinding.client.api.Converter;
/**
* Adds parentheses to the content when binding to a control.
*
* @author eric.wittmann@redhat.com
*/
public class DataBindingParentheticalConverter implements Converter<String, String> {
/**
* Constructor.
*/
public DataBindingParentheticalConverter() {
}
/**
* @see org.jboss.errai.databinding.client.api.Converter#toModelValue(java.lang.Object)
*/
@Override
public String toModelValue(String widgetValue) {
if (widgetValue != null && widgetValue.trim().length() > 0)
return widgetValue.substring(1, widgetValue.length() - 1);
else
return null;
}
/**
* @see org.jboss.errai.databinding.client.api.Converter#toWidgetValue(java.lang.Object)
*/
@Override
public String toWidgetValue(String modelValue) {
if (modelValue == null)
return ""; //$NON-NLS-1$
else
return "(" + modelValue + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
}