MonthListbox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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.turro.zkoss.input;
 
import java.text.DateFormatSymbols;
import java.util.ArrayList;
import java.util.Collection;
import java.util.TreeSet;
import org.turro.string.Strings;
import org.turro.elephant.context.Application;
import org.turro.util.PhraseBuilder;
 
public class MonthListbox extends CollectionListbox<Integer> {
 
  DateFormatSymbols dfs = DateFormatSymbols.getInstance(Application.getUsedLocale());
  
  public MonthListbox() {
    TreeSet<Integer> months = new TreeSet<Integer>();
    for(int d = 1; d <= 12; d++) {
      months.add(d);
    }
    setCollection(months);
    setMultiple(true);
    setCheckmark(true);
    setSelectFirst(false);
  }
 
  @Override
  protected String convertToString(Integer v) {
    return Strings.capitalize(dfs.getMonths()[v - 1]);
  }
 
  public void selectItemByText(String value) {
    String[] va = value == null ? null : value.split(",");
    ArrayList<Integer> ali = new ArrayList<Integer>();
    for(String v : va) {
      ali.add(Integer.valueOf(v.trim()));
    }
    setObjectValues(ali);
  }
 
  public String getStringValues() {
    return getStringValues(getObjectValues());
  }
 
  public static String getStringValues(Collection<Integer> values) {
    PhraseBuilder pb = new PhraseBuilder();
    for(Integer i : values) {
      pb.addWord(i.toString());
      pb.addPendingSeparator(", ");
    }
    return pb.toString();
  }
  
}