TalentCategoriesVM.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2024 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.alliance.model;
 
import java.util.List;
import org.turro.alliance.db.AlliancePU;
import org.turro.alliance.db.entities.AxTalentCategory;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.sql.SqlClause;
import org.turro.util.Cached;
import org.turro.zkoss.dialog.DialogField;
import org.turro.zkoss.dialog.Dialogs;
import org.zkoss.bind.BindUtils;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.NotifyChange;
import org.zkoss.zul.Textbox;
 
public class TalentCategoriesVM {
 
  public boolean isNeedsSave() {
    return needsSave;
  }
 
  public void setNeedsSave(boolean needsSave) {
    this.needsSave = needsSave;
  }
 
  @NotifyChange("model")
  @Command("add")
  public void add() {
    Dialogs.title(I_.get("Add category"))
           .width("400px")
           .height("200px")
           .addField(DialogField.field("Name"))
           .onOk((dialogs) -> {
             String domain = dialogs.<Textbox>getEditor("Name").getValue();
             AxTalentCategory category = new AxTalentCategory();
             category.setName(domain);
             model.add(category);
             needsSave = true;
             BindUtils.postNotifyChange(null, null, TalentCategoriesVM.this, "model");
           })
           .emptyCancel()
           .show();
  }
  
  @NotifyChange("model")
  @Command("save")
  public void save() {
    model.stream().filter(category -> category.isEmpty() && !category.isNew())
            .forEach(category -> dao.get().deleteEntity(category));
    model.removeIf(category -> category.isEmpty());
    dao.get().saveEntities(model);
    needsSave = false;
  }
  
  /* Model */
  
  private boolean needsSave;
  
  private List<AxTalentCategory> model;
  
  public List<AxTalentCategory> getModel() {
    if(model == null) {
      model = SqlClause.select("c").from("AxTalentCategory c")
              .orderBy("c.categoryId")
              .dao(dao.get())
              .resultList(AxTalentCategory.class);
    }
    return model;
  }
  
  /* Dao */
  
  private final Cached<Dao> dao = Cached.instance(() -> new AlliancePU());
 
}