GenericFilterListbox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 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.zkoss.filter;
 
import java.util.Collection;
import org.turro.command.Command;
import org.turro.elephant.util.Images;
import org.turro.i18n.I_;
import org.turro.zkoss.dialog.SelectionDialog;
import org.turro.zkoss.input.CollectionListbox;
import org.turro.zul.frame.Framework;
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.Button;
import org.zkoss.zul.Hbox;
import org.zkoss.zul.Vlayout;
 
public class GenericFilterListbox<E> extends Vlayout implements AfterCompose {
  
  private Filter<E> filter;
  private FilterGrid filterGrid;
  private CollectionListbox<E> entities;
  private boolean multiple = true, checkmark = true, selectFirst = false;
 
  public GenericFilterListbox(Filter<E> filter, FilterGrid filterGrid, CollectionListbox<E> entities) {
    this.filter = filter;
    this.filterGrid = filterGrid;
    this.entities = entities;
  }
 
  public void setMultiple(boolean multiple) {
    this.multiple = multiple;
  }
 
  public void setCheckmark(boolean checkmark) {
    this.checkmark = checkmark;
  }
 
  public void setSelectFirst(boolean selectFirst) {
    this.selectFirst = selectFirst;
  }
  
  @Override
  public void afterCompose() {
    entities.setMultiple(multiple);
    entities.setCheckmark(checkmark);
    entities.setSelectFirst(selectFirst);
    entities.setVflex(true);
    Button search = new Button(I_.get("Search"), Images.getImage("search"));
    search.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
      @Override
      public void onEvent(Event event) throws Exception {
        if(filterGrid.hasValues()) {
          entities.updateCollection(filter.getObjectValues(filterGrid.getValues()));
        }
      }
    });
    appendChild(filterGrid);
    filterGrid.afterCompose();
    Hbox hbox = new Hbox();
    hbox.setHflex("true");
    hbox.setPack("end");
    hbox.setStyle("padding:10px");
    hbox.setSpacing("15px");
    hbox.appendChild(search);
    appendChild(hbox);
    appendChild(entities);
    entities.afterCompose();
  }  
  
  public Collection<E> getObjectValues() {
    return entities.getObjectValues();
  }
  
  public E getObjectValue() {
    return entities.getObjectValue();
  }
  
  public void show(String title, String width, String height, Command command) {
    SelectionDialog.getComponent(
            Framework.getCurrent().getPage(),
            title, this, width, height, command);
  }
}