ScheduleListbox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 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.calendar;
 
import java.text.DateFormat;
import java.util.Collection;
import java.util.Date;
import org.amic.util.date.CheckDate;
import org.turro.string.Strings;
import org.turro.auth.Authentication;
import org.turro.calendar.event.CalendarEventSet;
import org.turro.elephant.context.Application;
import org.turro.i18n.I_;
import org.turro.plugin.calendar.ICalendarEvent;
import org.turro.plugin.command.CalendarPlugin;
import org.turro.zkoss.input.CollectionListbox;
import org.zkoss.zul.Listhead;
import org.zkoss.zul.Listheader;
import org.zkoss.zul.Listitem;
 
public class ScheduleListbox extends CollectionListbox<ICalendarEvent> {
 
  private Date now;
  private Listitem firstTodo;
  
  public void refresh() {
    firstTodo = null;
    now = new Date();
    Collection events = CalendarPlugin.getCalendarFor(
            Authentication.getIContact(), 
            new CheckDate(now).addMonths(-3).getDate(),
            new CheckDate(now).addMonths(1).getDate());
    if(events != null) {
      updateCollection(new CalendarEventSet(events, true));
      if(firstTodo != null) {
        setSelectedItem(firstTodo);
      } 
    }
  }
  
  @Override
  protected String convertToString(ICalendarEvent v) {
    return DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, Application.getUsedLocale())
            .format(v.getBeginDate()) + ITEM_SEPARATOR +
            v.getTitle() + SUBITEM_SEPARATOR + 
            Strings.truncateAndWarn(v.getContent(), 50).replaceAll("\\n", SUBITEM_SEPARATOR);
  }
 
  @Override
  protected void beforeAppend(Listitem li) {
    ICalendarEvent ce = li.getValue();
    li.setStyle("vertical-align:top;color:" + ce.getHeaderColor() + ";");
    if(now.after(ce.getBeginDate())) {
      li.setSclass("invalid");
      li.setStyle(li.getStyle() + "background-color:#ddd;");
    } else if(firstTodo == null) {
      firstTodo = li;
    }
  }
 
  @Override
  public void afterCompose() {
    addHeaders();
    super.afterCompose();
    if(firstTodo != null) {
      setSelectedItem(firstTodo);
    } 
  }
 
  private void addHeaders() {
    if(getListhead() != null) return;
    Listhead lh = new Listhead();
    lh.setSizable(true);
    lh.appendChild(new Listheader(I_.get("Date"), null, "100px"));
    lh.appendChild(new Listheader(I_.get("Description")));
    appendChild(lh);
  }
 
}