ConstraintKeyBox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2023 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.publication.model;
 
import org.turro.contacts.social.SocialGroupListbox;
import org.turro.entities.EntityCombobox;
import org.turro.string.Strings;
import org.zkoss.zk.ui.annotation.ComponentAnnotation;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.event.InputEvent;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.Hlayout;
import org.zkoss.zul.Space;
import org.zkoss.zul.Toolbarbutton;
 
@ComponentAnnotation({"value:@ZKBIND(ACCESS=both,SAVE_EVENT=onChange)"})
public class ConstraintKeyBox extends Hlayout implements AfterCompose {
 
  private ConstraintKeyMode mode = ConstraintKeyMode.EMPTY;
  
  public String getValue() {
    if(mode == ConstraintKeyMode.ENTITY) {
      EntityCombobox combo = (EntityCombobox) getChildren().get(0);
      return combo.getEntityPath();
    } else if(mode == ConstraintKeyMode.SOCIAL_GROUP) {
      SocialGroupListbox list = (SocialGroupListbox) getChildren().get(0);
      return list.getKeyString();
    }
    return null;
  }
 
  public void setValue(String keyId) {
    if(Strings.isBlank(keyId)) {
      mode = ConstraintKeyMode.EMPTY;
    } else if(keyId.startsWith("/")) {
      mode = ConstraintKeyMode.ENTITY;
    } else {
      mode = ConstraintKeyMode.SOCIAL_GROUP;
    }
    updateControl(keyId);
  }
 
  private void updateControl(String keyId) {
    if(mode == ConstraintKeyMode.EMPTY) {
      getChildren().remove(0);
      getChildren().add(0, new Space());
    } else if(mode == ConstraintKeyMode.ENTITY) {
      getChildren().remove(0);
      EntityCombobox combo = new EntityCombobox();
      combo.setEntityPath(keyId);
      combo.setWidth("400px");
      combo.addEventListener(Events.ON_SELECT, (Event event) -> {
        Events.postEvent(new InputEvent("onChange", this, combo.getEntityPath(), null));
      });
      getChildren().add(0, combo);
    } else if(mode == ConstraintKeyMode.SOCIAL_GROUP) {
      getChildren().remove(0);
      SocialGroupListbox list = new SocialGroupListbox();
      list.setMold("select");
      list.setKeyString(keyId);
      list.addEventListener(Events.ON_SELECT, (Event event) -> {
        Events.postEvent(new InputEvent("onChange", this, list.getKeyString(), null));
      });
      getChildren().add(0, list);
    }
  }
 
  @Override
  public void afterCompose() {
    appendChild(new Space());
    Toolbarbutton social = new Toolbarbutton();
    social.setImage("/_zul/images/contact.png");
    social.addEventListener(Events.ON_CLICK, (Event event) -> {
      mode = ConstraintKeyMode.SOCIAL_GROUP;
      updateControl(null);
    });
    appendChild(social);
    Toolbarbutton entity = new Toolbarbutton();
    entity.setImage("/_zul/images/entity.png");
    entity.addEventListener(Events.ON_CLICK, (Event event) -> {
      mode = ConstraintKeyMode.ENTITY;
      updateControl(null);
    });
    appendChild(entity);
    Toolbarbutton delete = new Toolbarbutton();
    delete.setImage("/_zul/images/delete.png");
    delete.addEventListener(Events.ON_CLICK, (Event event) -> {
      mode = ConstraintKeyMode.EMPTY;
      updateControl(null);
      Events.postEvent(new InputEvent("onChange", this, "", null));
    });
    appendChild(delete);
  }
  
}