package fr.ifremer.tutti.ui.swing.util.computable;
   
   /*
    * #%L
    * Tutti :: UI
    * %%
    * Copyright (C) 2012 - 2014 Ifremer
    * %%
    * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU 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 General Public License for more details.
   * 
   * You should have received a copy of the GNU General Public 
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/gpl-3.0.html>.
   * #L%
   */
  
  import fr.ifremer.tutti.type.WeightUnit;
  import fr.ifremer.tutti.ui.swing.util.TuttiUI;
  import jaxx.runtime.JAXXUtil;
  import org.nuiton.jaxx.widgets.number.NumberEditorHandler;
  import org.nuiton.jaxx.widgets.number.NumberEditorModel;
  
  import javax.swing.JTextField;
  import java.awt.Color;
  import java.awt.event.FocusEvent;
  import java.awt.event.FocusListener;
  import java.beans.PropertyChangeListener;
  
  /**
   * @author Kevin Morin - kmorin@codelutin.com
   * @since 1.0
   */
  public class ComputableDataEditorHandler extends NumberEditorHandler {
  
      private WeightUnit weightUnit;
  
      @Override
      public void init() {
          final PropertyChangeListener l = evt -> setComputedTextIfNullModel();
  
          ComputableData computableData = (ComputableData) ui.getModel().getBean();
          if (computableData != null) {
              computableData.addPropertyChangeListener(l);
          }
          ui.getModel().addPropertyChangeListener(NumberEditorModel.PROPERTY_BEAN, evt -> {
  
              ComputableData oldComputableData = (ComputableData) evt.getOldValue();
              if (oldComputableData != null) {
                  oldComputableData.removePropertyChangeListener(ComputableData.PROPERTY_COMPUTED_DATA, l);
              }
  
              ComputableData newComputableData = (ComputableData) evt.getNewValue();
              if (newComputableData != null) {
                  newComputableData.removePropertyChangeListener(ComputableData.PROPERTY_COMPUTED_DATA, l);
                  newComputableData.addPropertyChangeListener(ComputableData.PROPERTY_COMPUTED_DATA, l);
              }
          });
  
          //FIXME NumberEditor
  //        ui.addPropertyChangeListener(ComputableDataEditor.PROPERTY_MODEL, l);
  
          ui.getTextField().addFocusListener(new FocusListener() {
  
              public void focusGained(FocusEvent e) {
                  JTextField tf = ui.getTextField();
                  tf.setFont(TuttiUI.TEXTFIELD_NORMAL_FONT);
                  tf.setForeground(Color.BLACK);
                  if (ui.getModel().getNumberValue() == null) {
                      tf.setText("");
                  }
              }
  
              public void focusLost(FocusEvent e) {
                  setComputedTextIfNullModel();
              }
          });
  
          ui.addPropertyChangeListener(ComputableDataEditor.PROPERTY_WEIGHT_UNIT, evt -> {
              weightUnit = (WeightUnit) evt.getNewValue();
              ui.setNumberPattern(weightUnit.getNumberEditorPattern());
          });
  
          super.init();
  
      }
  
      /**
       * Pour afficher le 0.0 en bleu italique  si le moèdle est null.
       * On passera à faux lors d'un reset (voir http://forge.codelutin.com/issues/7088)
       *
       * @since 4.0.2
      */
     boolean displayNullComputedValue = true;
 
     @Override
     public void reset() {
 
         displayNullComputedValue = false;
 
         try {
 
             setTextValue("");
 
         } finally {
 
             displayNullComputedValue = true;
 
         }
 
     }
 
     protected void setComputedTextIfNullModel() {
         ComputableData bean = (ComputableData) ui.getModel().getBean();
         JTextField tf = ui.getTextField();
 //        if (bean != null && ui.getModel() == null) {
         //FIXME NumberEditor
         if (bean != null && bean.getData() == null && displayNullComputedValue && !tf.isFocusOwner()) {
             tf.setFont(TuttiUI.TEXTFIELD_COMPUTED_FONT);
             tf.setForeground(((ComputableDataEditor) ui).getComputedDataColor());
 
             String modelText;
             Number computedData = bean.getComputedData();
             if (weightUnit != null) {
                 modelText = weightUnit.renderWeight((Float) computedData);
             } else {
                 modelText = JAXXUtil.getStringValue(computedData);
             }
 //            if (ui.isUseFloat() && decimalNumber != null && computedData != null) {
 //            if (decimalNumber != null && computedData != null) {
 //                DecimalFormat decimalFormat = Weights.getDecimalFormat(1, decimalNumber);
 //                modelText = decimalFormat.format(computedData);
 //            } else {
 //                modelText = JAXXUtil.getStringValue(computedData);
 //            }
             tf.setText(modelText);
 
         } else {
             tf.setFont(TuttiUI.TEXTFIELD_NORMAL_FONT);
             tf.setForeground(Color.BLACK);
         }
     }
 
 }