Percentbox.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.input;
 
import org.zkoss.zk.ui.WrongValueException;
import org.zkoss.zul.Doublespinner;
 
public class Percentbox extends Doublespinner {
 
  private double maxPercent = 1.0d;
  
  public Percentbox() {
    setCols(5);
    setStep(1.0);
    setFormat("##0.0");
  }
 
  public double getMaxPercent() {
    return maxPercent;
  }
 
  public void setMaxPercent(double maxPercent) {
    this.maxPercent = maxPercent;
  }
 
  @Override
  public Double getValue() throws WrongValueException {
    Object val = getTargetValue();
    if(val instanceof Number) {
      return ((Number) val).doubleValue() / 100.0d;
    }
    return 1.0d;
  }
 
  @Override
  public void setValue(Double value) throws WrongValueException {
    value = Math.max(Math.min(value, maxPercent), 0.0d);
    super.setValue(Double.valueOf(value * 100.0d));
  }
 
}