IssueRelationTree.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2017 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.relation;
 
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.dossier.entity.Issue;
import org.turro.dossier.entity.IssuePredecessor;
import org.turro.elephant.context.ElephantContext;
import org.turro.i18n.I_;
import org.turro.registry.ChangeCategory;
import org.turro.registry.Changes;
import org.turro.registry.UniqueString;
import org.zkoss.zul.Tree;
import org.zkoss.zul.Treechildren;
import org.zkoss.zul.Treecol;
import org.zkoss.zul.Treecols;
 
public class IssueRelationTree extends Tree {
 
  private Treechildren children;
  private Issue issue;
  private Changes changes;
  private int mode; // 0-direct, 1-all
 
  public IssueRelationTree() {
    super();
    addColumns();
    addChildrenSpace();
    mode = 0;
  }
 
  public Changes getChanges() {
    return changes;
  }
 
  public void setChanges(Changes changes) {
    this.changes = changes;
  }
 
  public Issue getIssue() {
    return issue;
  }
 
  public void setIssue(Issue issue) {
    if(issue != null) {
      this.issue = issue;
      removeChild(children);
      addChildrenSpace();
      addRoots(new IssueRelation(null, issue), mode == 0 ? 1 : 999);
      openChildrenWithIssue(children.getChildren());
    }
  }
 
  public int getMode() {
    return mode;
  }
 
  public void setMode(int mode) {
    this.mode = mode;
  }
 
  public IssueRelation getSelectedRelation() {
    if(IssueRelationTree.this.getSelectedItem() instanceof IssueRelation) {
      return (IssueRelation) IssueRelationTree.this.getSelectedItem();
    }
    return null;
  }
  
  private void addColumns() {
    Treecols cols = new Treecols();
    cols.setSizable(true);
    appendChild(cols);
 
    Treecol col = new Treecol();
    col.setLabel("");
    cols.appendChild(col);
 
    col = new Treecol();
    col.setLabel(I_.get("Status"));
    col.setWidth("120px");
    cols.appendChild(col);
 
    col = new Treecol();
    col.setLabel(I_.get("Responsible"));
    col.setWidth("230px");
    cols.appendChild(col);
  }
 
  private void addChildrenSpace() {
    children = new Treechildren();
    appendChild(children);
  }
 
  private void addRoots(IssueRelation current, int count) {
    Set<IssuePredecessor> ips = current.getIssue().getSources();
    if(ips.isEmpty()) {
      children.appendChild(current);
      current.setOpen(true);
    } else {
      if(count-- > 0) {
        for(IssuePredecessor ip : ips) {
          addRoots(new IssueRelation(null, ip.getSource()), count);
        }
      }
    }
  }
 
  public void addRelation() {
    if(IssueRelationTree.this.getSelectedItem() instanceof IssueRelation) {
      try {
        IssueRelation ir = (IssueRelation) IssueRelationTree.this.getSelectedItem();
        ir.doAddRelation(changes);
      } catch (InterruptedException ex) {
        Logger.getLogger(IssueRelationTree.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
 
  public void editRelation() {
    if(IssueRelationTree.this.getSelectedItem() instanceof IssueRelation) {
      try {
        IssueRelation ir = (IssueRelation) IssueRelationTree.this.getSelectedItem();
        ir.doEditRelation(changes);
      } catch (InterruptedException ex) {
        Logger.getLogger(IssueRelationTree.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
 
  public void deleteRelation() {
    if(IssueRelationTree.this.getSelectedItem() instanceof IssueRelation) {
      try {
        IssueRelation ir = (IssueRelation) IssueRelationTree.this.getSelectedItem();
        if(changes != null) {
          ChangeCategory cc = new ChangeCategory(3, I_.get("Relations"));
          changes.addChange(new UniqueString(cc, "", "-" + ir.getPredecessor().getFullDescription()));
        }
        ir.doDeleteRelation();
      } catch (InterruptedException ex) {
        Logger.getLogger(IssueRelationTree.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
  
  private void openChildrenWithIssue(List children) {
    for(IssueRelation ir : (List<IssueRelation>) children) {
      if(ir.getIssue() != null && ir.getIssue().getId() != issue.getId()) {
        ir.setOpen(true);
        openChildrenWithIssue(ir.getRelatedChildren());
        break;
      }
    }
  }
 
}