AttendeesList.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.contacts.util;
 
import java.util.Collection;
import org.turro.contacts.Contact;
import org.turro.contacts.zul.label.ContactInfo;
import org.turro.elephant.util.Images;
import org.turro.plugin.contacts.IContact;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.A;
import org.zkoss.zul.Hlayout;
import org.zkoss.zul.Vlayout;
 
public class AttendeesList extends Vlayout implements AfterCompose {
 
  private Collection<String> attendees;
  private IContact provider;
  private boolean readOnly, allowExternals;
  
  public AttendeesList() {
  }
 
  public Collection<String> getAttendees() {
    return attendees;
  }
 
  public void setAttendees(Collection<String> attendees) {
    this.attendees = attendees;
  }
 
  public void setProvider(IContact provider) {
    this.provider = provider;
  }
 
  public void updateProvider(IContact provider) {
    setProvider(provider);
    afterCompose();
  }
  
  public void setReadOnly(boolean readOnly) {
    this.readOnly = readOnly;
  }
 
  public void setAllowExternals(boolean allowExternals) {
    this.allowExternals = allowExternals;
  }
 
  @Override
  public void afterCompose() {
    addAttendees();
  }
 
  private void addAttendees() {
    getChildren().clear();
    if(attendees != null) {
      for(final String a : attendees) {
        final Hlayout row = new Hlayout();
        row.appendChild(new ContactInfo(a));
        if(!readOnly) {
          A del = new A(null, Images.getImage("edit-delete"));
          del.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
            @Override
            public void onEvent(Event event) throws Exception {
              attendees.remove(a);
              row.detach();
              Events.postEvent(new Event(Events.ON_CHANGE, AttendeesList.this, null));
            }
          });
          row.appendChild(del);
        }
        appendChild(row);
      }
    }
    if(!readOnly) { 
      Hlayout hbox = new Hlayout();
      hbox.setSclass("z-valign-middle");
      hbox.setValign("middle");
      if(provider != null) {
        final ContactListbox cl = new ContactListbox();
        cl.setMold("select");
        cl.setAllowNull(true);
        cl.setProvider((Contact) provider.getContact());
        cl.addEventListener(Events.ON_SELECT, new EventListener<Event>() {
          @Override
          public void onEvent(Event event) throws Exception {
            Contact c = cl.getObjectValue();
            if(c != null) attendees.add(c.getId());
            Events.postEvent(new Event(Events.ON_CHANGE, AttendeesList.this, null));
            addAttendees();
          }
        });
        hbox.appendChild(cl);
      }
      if(allowExternals) {
        final ContactCombobox cc = new ContactCombobox();
        cc.addEventListener(Events.ON_SELECT, new EventListener<Event>() {
          @Override
          public void onEvent(Event event) throws Exception {
            Contact c = cc.getContact();
            if(c != null) attendees.add(c.getId());
            Events.postEvent(new Event(Events.ON_CHANGE, AttendeesList.this, null));
            addAttendees();
          }
        });
        hbox.appendChild(cc);
      }
      if(!hbox.getChildren().isEmpty()) {
        appendChild(hbox);
      }
    }
  }
  
}