TagsChosenbox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2021 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.tags;
 
import java.util.Collection;
import java.util.Set;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zkmax.zul.Chosenbox;
import org.zkoss.zul.ListModelList;
 
public class TagsChosenbox extends Chosenbox implements AfterCompose {
 
  private String rootFilter, entityPath;
  private boolean populated;
  private TagSet internalValues;
 
  public void setRootFilter(String rootFilter) {
    this.rootFilter = rootFilter;
  }
 
  public void setEntityPath(String entityPath) {
    this.entityPath = entityPath;
    setObjectValues(Tags.getTags(entityPath));
  }
 
  public String getEntityPath() {
    return entityPath;
  }
 
  public Set<TagItem> getObjectValues() {
    return getSelectedObjects();
  }
  
  public void setObjectValues(Collection<TagItem> internalValues) {
    if(internalValues != null) setSelectedObjects(internalValues);
  }
  
  public void addToModel(TagItem value) {
    ((ListModelList) getModel()).add(value);
    Set set = getSelectedObjects();
    set.add(value);
    setSelectedObjects(set);
  }
  
  @Override
  public void afterCompose() {
    if(!populated) {
      populateList();
      populated = true;
      if (internalValues != null) {
        setObjectValues(internalValues);
        internalValues = null;
      } else {
        setObjectValues(null);
      }
    }
  }
 
  private void populateList() {
    setModel(new ListModelList<>(Tags.getAvailables(rootFilter)));
  }
 
}