GanttData.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.zkoss.svg;
 
import java.util.Objects;
import java.util.TreeSet;
 
public class GanttData extends TreeSet<GanttItem> {
 
  public static final int 
          MAX_NAME_LENGTH = 60,
          CHAR_PIXELS = 8;
  
  public GanttItem addGanttItem(long reference, String uniqueId, String name, double hours, double done) {
    GanttItem gi = new GanttItem(reference, uniqueId, name, hours, done);
    gi.setSet(this);
    add(gi);
    return gi;
  }
  
  public int getMaxNameLenght() {
    int maxLenght = 0;
    for(GanttItem gi : this) {
      maxLenght = Math.max(gi.getName().length(), maxLenght);
    }
    return Math.min(maxLenght, MAX_NAME_LENGTH);
  }
 
  public double getMaxHoursLenght() {
    double maxLenght = 0.0;
    for(GanttItem gi : this) {
      maxLenght = Math.max(gi.getStart() + gi.getMaxHours(), maxLenght);
    }
    return maxLenght;
  }
  
  public GanttItem getItem(String index) {
    for(GanttItem gi : this) {
      if(Objects.equals(gi.getUniqueId(), index)) {
        return gi;
      }
    }
    return null;
  }
 
  public void initData() {
    for(GanttItem dummy : this) {
      // does nothing but ensures multiple relations
      for(GanttItem gi : this) {
        gi.initStart();
      }
    }
    for(GanttItem gi : this) {
      gi.initReference();
    }
  }
  
}