viewer/IssueGrid.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.viewer;
 
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.turro.dossier.db.DossierPU;
import org.turro.dossier.entity.Dossier;
import org.turro.dossier.entity.Issue;
import org.turro.elephant.db.WhereClause;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.zkoss.grid.PagingGrid;
import org.turro.zkoss.label.LabelExtended;
import org.zkoss.lang.Strings;
import org.zkoss.zul.Column;
import org.zkoss.zul.Columns;
import org.zkoss.zul.Row;
import org.zkoss.zul.Rows;
 
public class IssueGrid extends PagingGrid {
 
  private Rows rows;
  private Columns columns;
  private String issueColumns;
 
  public IssueGrid() {
  }
 
  public void setIssueColumns(String issueColumns) {
    this.issueColumns = issueColumns;
  }
 
  public void setDossier(Dossier dossier) {
    setIssueList(createListFromDossier(dossier));
  }
 
  public void setIssueList(List<Issue> issues) {
    addRows(issues);
  }
 
  private void addColumns(List<String> cols) {
    if(columns != null) removeChild(columns);
 
    columns = new Columns();
    columns.setVisible(false);
    appendChild(columns);
 
    for(String col : cols) {
      if("description".equals(col)) {
        Column column = new Column("");
        columns.appendChild(column);
      } else if("status".equals(col)) {
        Column column = new Column("");
        column.setWidth("130px");
        columns.appendChild(column);
      } else if("modification".equals(col)) {
        Column column = new Column("");
        column.setWidth("100px");
        columns.appendChild(column);
      } else if("date".equals(col)) {
        Column column = new Column("");
        column.setWidth("100px");
        columns.appendChild(column);
      }
    }
  }
 
  private void addRows(List<Issue> issues) {
 
    setRowCount(issues.size());
    
    List<String> cols = issueColumns == null ? new ArrayList<String>() :
      Arrays.asList(issueColumns.split("\\s*\\,\\s*"));
    if(cols.isEmpty()) {
      cols.add("date");
      cols.add("description");
      cols.add("status");
      cols.add("modification");
    }
 
    addColumns(cols);
 
    if(rows != null) removeChild(rows);
 
    rows = new Rows();
    appendChild(rows);
 
    for(final Issue issue : issues) {
      Row row = new Row();
      for(String col : cols) {
        if("description".equals(col)) {
          LabelExtended lext = new LabelExtended();
          lext.setMultiline(true);
          lext.setValue(Strings.isEmpty(issue.getDescription()) ?
            I_.get("No description!") : issue.getDescription());
          row.appendChild(lext);
        } else if("status".equals(col)) {
          LabelExtended lext = new LabelExtended();
          lext.setResourceValue(issue.getStatus().toString());
          row.appendChild(lext);
        } else if("modification".equals(col)) {
          LabelExtended lext = new LabelExtended();
          lext.setDate(issue.getModification());
          row.appendChild(lext);
        } else if("date".equals(col)) {
          LabelExtended lext = new LabelExtended();
          lext.setDate(issue.getIssueDate());
          row.appendChild(lext);
        }
      }
 
      rows.appendChild(row);
    }
 
    invalidate();
  }
 
  private List<Issue> createListFromDossier(Dossier dossier) {
    Dao dao = new DossierPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select issue from Issue as issue");
    wc.addClause("where issue.dossier  = :dossier");
    wc.addClause("and issue.publishable = TRUE");
    wc.addClause("order by issue.issueDate");
    wc.addNamedValue("dossier", dossier);
    return dao.getResultList(wc);
  }
 
}