ca.travelagency.components.fields.TravelDocumentField.java Source code

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Here is the source code for ca.travelagency.components.fields.TravelDocumentField.java

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/**
 *    Copyright (C) 2010 - 2014 VREM Software Development <VREMSoftwareDevelopment@gmail.com>
 *
 *    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 ca.travelagency.components.fields;

import java.util.Collections;
import java.util.Iterator;
import java.util.Locale;
import java.util.SortedSet;
import java.util.TreeSet;

import org.apache.commons.lang3.text.WordUtils;
import org.apache.wicket.extensions.ajax.markup.html.autocomplete.DefaultCssAutoCompleteTextField;

import ca.travelagency.utils.StringUtils;

public class TravelDocumentField extends DefaultCssAutoCompleteTextField<String> {
    private static final long serialVersionUID = 1L;
    private static final int DISPLAY_MAX_SIZE = 10;

    private String suffix;

    public TravelDocumentField(String id) {
        super(id, null);
        suffix = getLocalizer().getString("SUFFIX", this);
    }

    @Override
    protected Iterator<String> getChoices(String input) {
        if (StringUtils.isEmpty(input)) {
            return Collections.<String>emptyList().iterator();
        }
        SortedSet<String> choices = new TreeSet<String>();
        Locale[] locales = Locale.getAvailableLocales();
        for (Locale locale : locales) {
            String country = locale.getDisplayCountry().toUpperCase();
            if (country.startsWith(input.toUpperCase())) {
                String value = getLocalizer().getString(country, this, country);
                if (StringUtils.isBlank(value)) {
                    value = country;
                }
                choices.add(WordUtils.capitalize(StringUtils.lowerCase(value + " " + suffix)));
                if (choices.size() == DISPLAY_MAX_SIZE) {
                    break;
                }
            }
        }
        return choices.iterator();
    }
}