GenericOverloadCombobox.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 java.util.LinkedList;
import org.zkoss.zul.Combobox;
import org.zkoss.zul.Constraint;
 
@Deprecated
public abstract class GenericOverloadCombobox<V> extends Combobox {
 
  private boolean allowNotInModelValues = false;
  private V currentValue;
 
  public GenericOverloadCombobox(String value) {
    super(value);
    createModel(value);
  }
 
  public GenericOverloadCombobox() {
    createModel("");
  }
 
  public V getObjectValue() {
    V value = getObjectFromText(getText());
    getSelectedItem();
    if(value == null && allowNotInModelValues && currentValue != null) {
      if(getText().equals(getTextFromObject(currentValue))) {
        value = currentValue;
      }
    }
    return value;
  }
 
  public void setObjectValue(V value) {
    Constraint c = getConstraint();
    setConstraint((Constraint) null);
    currentValue = value;
    setText(value != null ? getTextFromObject(value) : null);
    setConstraint(c);
  }
 
  public boolean isAllowNotInModelValues() {
    return allowNotInModelValues;
  }
 
  public void setAllowNotInModelValues(boolean allowNotInModelValues) {
    this.allowNotInModelValues = allowNotInModelValues;
  }
 
  public void refreshModel() {
    Constraint c = getConstraint();
    setConstraint((Constraint) null);
    createModel(getText());
    setConstraint(c);
  }
 
  private void createModel(String value) {
    GenericComboModel ccm = new GenericComboModel(new Object[0]) {
      @Override
      public void populateList(String value, LinkedList list, int nRows) {
        GenericOverloadCombobox.this.populateList(value, list, nRows);
      }
    };
    //ccm.getSubModel(value, 10);
    setModel(ccm);
  }
 
  public abstract void populateList(String value, LinkedList list, int nRows);
  public abstract V getObjectFromText(String text);
  public abstract String getTextFromObject(V value);
 
}