PollOptionGrid.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 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.polls;
 
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.entities.db.Poll;
import org.turro.elephant.entities.db.PollOption;
import org.turro.i18n.I_;
import org.turro.zkoss.grid.CollectionGrid;
import org.turro.zkoss.grid.EditableCell;
import org.zkoss.zk.ui.HtmlBasedComponent;
import org.zkoss.zul.Row;
 
public class PollOptionGrid extends CollectionGrid<PollOption> {
 
  private Poll poll;
 
  public PollOptionGrid() {
    super();
    addColumns();
  }
 
  public void setPoll(Poll poll) {
    this.poll = poll;
    if(this.poll != null) {
      updateCollection(this.poll.getOptions());
    } else {
      clearRows();
    }
  }
 
  @Override
  protected void initiateRow(Row row, PollOption value) {
    if(value == null && poll != null) {
      value = new PollOption();
      value.setIdPoll(poll.getId());
    }
    row.setValue(value);
  }
 
  @Override
  protected boolean deleteRow(Row row) {
    PollOption po = (PollOption) row.getValue();
    PollsUtil.removeOption(po);
    return true;
  }
 
  @Override
  protected boolean isValid(PollOption v) {
    return !v.isEmpty();
  }
 
  @Override
  protected String formatCell(EditableCell editableCell, Object value) {
    if(editableCell.getCellIndex() == 0) {
      String formatted = PollControl.getFormattedString(poll.getOptionClass(), value);
      if(formatted != null) return formatted;
    }
    return super.formatCell(editableCell, value);
  }
 
  @Override
  protected void setCellValue(EditableCell editableCell, Object value) {
    if(editableCell.getCellIndex() == 0) {
      super.setCellValue(editableCell, formatCell(editableCell, value));
    } else {
      super.setCellValue(editableCell, value);
    }
  }
 
  @Override
  protected HtmlBasedComponent createEditor(EditableCell editableCell) {
    if(editableCell.getCellIndex() == 0) {
      Object value = getCellValue(editableCell);
      HtmlBasedComponent editor = PollControl.getEditor(poll.getOptionClass(), editableCell.isReadOnly(), value);
      if(editor != null) {
        return editor;
      }
    }
    return super.createEditor(editableCell);
  }  
  
  private void addColumns() {
    try {
      addColumn(I_.get("Option"), String.class,
              "pollData", null, 0, false, false).setHflex("3");
      addColumn(I_.get("Description"), String.class,
              "description", null, 0, false, false).setHflex("3");
      addColumn(I_.get("Action"), "boolean",
              "actionButton", null, 0, false, false).setHflex("1");
      addColumn(I_.get("Ordering"), "int",
              "ordering", null, 0, false, false).setHflex("1");
    } catch (ClassNotFoundException ex) {
      Logger.getLogger(PollOptionGrid.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
  
}