PhaseControl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 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.phase;
 
import java.util.ArrayList;
import java.util.SortedSet;
import org.turro.elephant.util.Images;
import org.turro.i18n.I_;
import org.turro.zkoss.label.LabelTypes;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Hlayout;
import org.zkoss.zul.Label;
import org.zkoss.zul.Space;
import org.zkoss.zul.Toolbarbutton;
 
public class PhaseControl extends Hlayout {
 
  private Phase phase;
  private final ArrayList<Component> comps = new ArrayList<>();
 
  public Phase getPhase() {
    return phase;
  }
 
  public void setPhase(Phase phase) {
    this.phase = phase;
    addComponents();
  }
  
  private void addComponents() {
    if(phase == null) return;
    setSclass("z-valign-middle");
    setValign("middle");
    for(Component c : comps) {
      c.detach();
    }
    comps.clear();
    comps.add(LabelTypes.getSoftLabel(I_.get("Phase")));
    comps.add(new Label(I_.get(phase.getCurrent().getName())));
    SortedSet<PhaseDefinition> possible = phase.getPossiblePhases();
    if(!possible.isEmpty()) {
      comps.add(new Space());
      comps.add(LabelTypes.getSoftLabel(I_.get("Change to")));
    }
    for(final PhaseDefinition e : possible) {
      if(phase.canChangeTo(e)) {
        Toolbarbutton button = new Toolbarbutton(
                I_.get(e.getName()), Images.getImage("forward"));
        button.addEventListener(Events.ON_CLICK, (Event event) -> {
          phase.changeTo(e);
          if(phase.changed) {
            Events.postEvent(new Event(Events.ON_CHANGE));
            setPhase(phase);
          }
        });
        comps.add(button);
      }
    }
    Component first = getFirstChild();
    for(Component c : comps) {
      insertBefore(c, first);
    }
  }
 
}