IssueCtrl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.dossier.zul.issue;
 
import org.turro.dossier.db.DossierPU;
import org.turro.dossier.entity.Issue;
import org.turro.dossier.issue.IssueWrapper;
import org.turro.dossier.search.IssueResults;
import org.turro.zkoss.label.LabelExtended;
import org.zkoss.lang.Strings;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.WrongValueException;
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.*;
 
public class IssueCtrl extends Bandbox implements AfterCompose {
 
  private LabelExtended description;
  private Issue issue;
  private int wordWrap = 0, maxChars = 0, parentCount = 1;
  private boolean showDescription = false;
 
  public IssueCtrl() {
    addPopup();
  }
 
  public boolean isShowDescription() {
    return showDescription;
  }
 
  public void setShowDescription(boolean showDescription) {
    this.showDescription = showDescription;
    if(showDescription) {
      addEventListener(Events.ON_CHANGE, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          description.setValue(loadValue());
        }
      });
    }
  }
 
  public Issue getIssue() {
    return issue;
  }
 
  public void setIssue(Issue issue) {
    this.issue = issue;
    if(issue != null) {
      setValue(issue.getId() + "");
    }
  }
 
  public int getMaxChars() {
    return maxChars;
  }
 
  public void setMaxChars(int maxChars) {
    this.maxChars = maxChars;
  }
 
  public int getParentCount() {
    return parentCount;
  }
 
  public void setParentCount(int parentCount) {
    this.parentCount = parentCount;
  }
 
  public int getWordWrap() {
    return wordWrap;
  }
 
  public void setWordWrap(int wordWrap) {
    this.wordWrap = wordWrap;
  }
 
  @Override
  public void afterCompose() {
    if(!showDescription) return;
    description = new LabelExtended();
    description.setValue(loadValue());
    description.setWordWrap(wordWrap);
    description.setMaxChars(maxChars);
    Component comp = getParent();
    for(int i = 1; i < parentCount; i++) {
      comp = comp.getParent();
    }
    comp.appendChild(description);
  }
 
  @Override
  public void setValue(String value) throws WrongValueException {
    if(Strings.isEmpty(value)) value = "0";
    super.setValue(value);
  }
 
  private void addPopup() {
    Bandpopup popup = new Bandpopup();
    appendChild(popup);
 
    final Listbox issues = new Listbox();
    issues.addEventListener(Events.ON_SELECT, new EventListener() {
      @Override
      public void onEvent(Event event) throws Exception {
        IssueCtrl.this.setValue(issues.getSelectedItem().getLabel());
        IssueCtrl.this.loadValue();
        Events.postEvent(new Event(Events.ON_CHANGE, IssueCtrl.this));
        IssueCtrl.this.close();
      }
    });
    popup.appendChild(issues);
 
    IssueResults results = new IssueResults();
 
    for(IssueWrapper iw : results.getIssueList()) {
      Listitem item = new Listitem();
      issues.appendChild(item);
 
      Listcell cell = new Listcell(iw.getIssue().getId() + "");
      item.appendChild(cell);
 
      cell = new Listcell(iw.getIssue().getDescription());
      item.appendChild(cell);
    }
 
  }
 
  private String loadValue() {
    if(!Strings.isEmpty(getValue()) && Long.valueOf(getValue()) > 0) {
      issue = new DossierPU().find(Issue.class, Long.valueOf(getValue()));
      if(issue != null) {
        return issue.getDescription();
      }
    }
    return "";
  }
 
}