LabelControl.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.command;
 
import org.turro.string.Strings;
import org.turro.auth.Authentication;
import org.turro.entities.Entities;
import org.turro.entities.IElephantEntity;
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.Popup;
 
public class LabelControl extends A implements AfterCompose {
 
  protected Object entity;
  private boolean linkEntity = true;
  private Popup _popup;
  private int maxChars = 200;
  private final ClickListener onclick = new ClickListener();
  
  class ClickListener implements EventListener<Event> {
    @Override
    public void onEvent(Event event) throws Exception {
      if(_popup != null) {
        _popup.open(LabelControl.this);
      } else {
        Entities.getController(entity).showEntity();
      }
    }
  }
 
  public LabelControl() {
  }
 
  public LabelControl(Object entity) {
    this.entity = entity;
  }
 
  public LabelControl(Object entity, boolean linkEntity) {
    this.entity = entity;
    this.linkEntity = linkEntity;
  }
  
  public Object getEntity() {
    return entity;
  }
 
  public void setEntity(Object entity) {
    this.entity = entity;
  }
 
  public boolean isLinkEntity() {
    return linkEntity;
  }
 
  public void setLinkEntity(boolean linkEntity) {
    this.linkEntity = linkEntity;
  }
 
  public int getMaxChars() {
    return maxChars;
  }
 
  public void setMaxChars(int maxChars) {
    this.maxChars = maxChars;
  }
 
  public void generate() {
    createComponents();    
  }
  
  private void createComponents() {
    removeEventListener(Events.ON_CLICK, onclick);
    IElephantEntity ee = Entities.getController(entity);
    if(ee != null) {
      String label = ee.getName();
      setLabel(Strings.truncateAndWarn(label, maxChars));
      setTooltiptext(label);
      setImage(ee.getImage());
      if(linkEntity && (Boolean) ee.canEdit(Authentication.getIContact())) {
        addEventListener(Events.ON_CLICK, onclick);
      }
    }
  }
 
  @Override
  public void afterCompose() {
    generate();
  }
 
  @Override
  public void setContext(Popup popup) {
    super.setContext(popup);
    _popup = popup;
  }
 
}