IssueStatusCtrl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.dossier.zul.issue;
 
import java.util.HashSet;
import java.util.Set;
import org.turro.dossier.entity.IssueStatus;
import org.turro.i18n.I_;
import org.turro.util.PhraseBuilder;
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.event.SelectEvent;
import org.zkoss.zul.Bandbox;
import org.zkoss.zul.Bandpopup;
import org.zkoss.zul.Listbox;
import org.zkoss.zul.Listhead;
import org.zkoss.zul.Listheader;
import org.zkoss.zul.Listitem;
 
public class IssueStatusCtrl extends Bandbox {
 
  private Set<IssueStatus> statusSet = new HashSet<>();
  private Listbox status;
 
  public IssueStatusCtrl() {
    setReadonly(true);
    addPopup();
  }
 
  public Set<IssueStatus> getStatusSet() {
    return statusSet;
  }
 
  public void setStatusSet(Set<IssueStatus> statusSet) {
    this.statusSet = statusSet;
    updateCheckMarks();
    updateText();
  }
 
  private void addPopup() {
    Bandpopup popup = new Bandpopup();
    appendChild(popup);
 
    status = new Listbox();
    status.setWidth("300px");
    status.setMultiple(true);
    status.setCheckmark(true);
    Listhead lh = new Listhead();
    lh.appendChild(new Listheader(I_.get("Status")));
    status.appendChild(lh);
    status.addEventListener(Events.ON_SELECT, new EventListener() {
      @Override
      public void onEvent(Event event) throws Exception {
        Set<Listitem> selected = ((SelectEvent) event).getSelectedItems();
        if(selected != null) {
          for(Listitem li : selected) {
            statusSet.add((IssueStatus) li.getValue());
          }
        }
        Set<Listitem> unselected = ((SelectEvent) event).getUnselectedItems();
        if(unselected != null) {
          for(Listitem li : unselected) {
            statusSet.remove((IssueStatus) li.getValue());
          }
        }
        updateText();
      }
    });
 
    for(IssueStatus is : IssueStatus.values()) {
      Listitem li = new Listitem(I_.byKey(is.toString()));
      li.setValue(is);
      status.appendChild(li);
    }
 
    popup.appendChild(status);
  }
 
  private void updateCheckMarks() {
    for(Object obj : status.getChildren()) {
      if(obj instanceof Listitem) {
        Listitem li = (Listitem) obj;
        li.setSelected(statusSet.contains(li.getValue()));
      }
    }
  }
 
 
  private void updateText() {
    PhraseBuilder pb = new PhraseBuilder();
    for(Object obj : status.getChildren()) {
      if(obj instanceof Listitem) {
        Listitem li = (Listitem) obj;
        if(li.isSelected()) {
          pb.addWord(I_.byKey(li.getValue().toString()));
          pb.addPendingSeparator(",");
        }
      }
    }
    Events.postEvent(new Event(Events.ON_CHANGE, IssueStatusCtrl.this));
    setText(pb.toString());
  }
}