TagEntityGrid.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.List;
import java.util.Set;
import org.turro.elephant.context.Application;
import org.turro.entities.IElephantEntity;
import org.turro.jpa.grid.RenderPathOnDemand;
import org.turro.zkoss.grid.PagingGrid;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Row;
import org.zkoss.zul.Space;
import org.zkoss.zul.Vlayout;
 
public class TagEntityGrid extends PagingGrid {
 
  private Set<TagItem> selected;
 
  public void setSelected(Set<TagItem> selected) {
    this.selected = selected;
    reload();
  }
 
  public void reload() {
    if(getRows() != null) {
      getRows().detach();
    }
    addRows();
  }
 
  public void afterCompose() {
    reload();
  }
 
  private void addRows() {
    List<String> entityPaths = Tags.getEntityPaths(null, selected);
    
    setRowRenderer(new RenderPathOnDemand() {
      @Override
      protected void renderRow(Row row, IElephantEntity entity) {
        fillRow(row, entity);
      }
    });
 
    setModel(new ListModelList<Object>(entityPaths));
 
    setRowCount(entityPaths.size());
  }
 
  private void fillRow(Row row, IElephantEntity entity) {
    if(Application.getApplication().isInRole(entity.getRoot() + "-tagit:list")) {
      Vlayout vbox = new Vlayout();
      row.appendChild(vbox);
      Object obj = entity.getLabelCtrl();
      if(obj instanceof Component) {
        vbox.appendChild((Component) obj);
        if(obj instanceof AfterCompose) {
          ((AfterCompose) obj).afterCompose();
        }
      } else {
        vbox.appendChild(new Space());
      }
      vbox.appendChild((Component) Tags.getControl(entity.getEntity()));
    }
  }
 
}