elephant-dossier/src/main/java/org/turro/dossier/gantt/WorkloadGantt.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2020 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.gantt;
 
import java.util.Collection;
import java.util.HashMap;
import org.turro.dossier.entity.Dossier;
import org.turro.dossier.entity.Issue;
import org.turro.dossier.entity.IssueParticipant;
import org.turro.zkoss.svg.GanttResource;
import org.turro.zkoss.svg.GanttResourceData;
import org.turro.zkoss.svg.GanttResourceItem;
import org.zkoss.zk.ui.ext.AfterCompose;
 
public class WorkloadGantt extends GanttResource implements AfterCompose {
 
  private String selectItem;
  private double scale = 1.0;
  private Dossier dossier;
 
  public WorkloadGantt() {
  }
 
  public String getSelectItem() {
    return selectItem;
  }
 
  public void setSelectItem(String selectItem) {
    this.selectItem = selectItem;
  }
 
  public double getScale() {
    return scale;
  }
 
  public void setScale(double scale) {
    this.scale = scale;
  }
 
  public Dossier getDossier() {
    return dossier;
  }
 
  public void setDossier(Dossier dossier) {
    this.dossier = dossier;
  }
  
  public void reload() {
    loadData();
    repaint();
  }
  
  @Override
  public void afterCompose() {
    loadData();
    repaint();
  }
 
  public void repaint() {
    setVisible(false);
    getChildren().clear();
    clear();
    if(dossier != null) {
      startComposing(selectItem, null, null, scale);
      generateContent(null);
      setVisible(true);
    }
  }
  
  private void loadData() {
    if(dossier != null) {
      setData(fillModel());
    }
  }
  
  private GanttResourceData fillModel() {
    HashMap<String, GanttResourceItem> map = new HashMap<>();
    
    for(Issue issue : dossier.getAllIssues()) {
      for(IssueParticipant responsible : (Collection<IssueParticipant>) issue.getIssueParticipants().getResponsibles()) {
        GanttResourceItem gri = map.get(responsible.getIdContact());
        if(gri == null) {
          gri = new GanttResourceItem(1, responsible.getIdContact(), responsible.getName());
          map.put(responsible.getIdContact(), gri);
        }
        double hours = issue.getHours(),
               sumHours = issue.getSumHours();
        if(issue.getStatus().isFinished()) {
          gri.setExpected(gri.getExpected() + (sumHours == 0.0 ? 1.0 : sumHours));
        } else {
          gri.setVariable(gri.getVariable() + (hours == 0.0 ? Math.max(sumHours, 1.0) : Math.max(sumHours, hours)));
        }
      }
    }
    
    GanttResourceData grd = new GanttResourceData();
    for(GanttResourceItem gri : map.values()) {
      grd.add(gri);
      gri.setSet(grd);
    }
    return grd;
  }
 
}