/**
 *
 * Copyright
 * 2009-2015 Jayway Products AB
 * 2016-2017 Föreningen Sambruk
 *
 * Licensed under AGPL, Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.gnu.org/licenses/agpl.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package se.streamsource.streamflow.client.ui.workspace.cases.general.forms;

import java.awt.BorderLayout;

import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JTextField;

import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Uses;

import se.streamsource.streamflow.api.administration.form.NumberFieldValue;
import se.streamsource.streamflow.api.workspace.cases.general.FieldSubmissionDTO;
import se.streamsource.streamflow.client.ui.workspace.cases.CaseResources;
import se.streamsource.streamflow.client.util.StateBinder;
import se.streamsource.streamflow.client.util.i18n;
import se.streamsource.streamflow.client.util.dialog.DialogService;
import se.streamsource.streamflow.util.Strings;

public class NumberPanel
      extends AbstractFieldPanel
{
   private JTextField textField;

   @Service
   DialogService dialogs;
   private Boolean isInteger;

   public NumberPanel( @Uses FieldSubmissionDTO field, @Uses NumberFieldValue fieldValue )
   {
      super( field );
      setLayout( new BorderLayout() );

      textField = new JTextField();
      textField.setColumns( 20 );
      this.isInteger = fieldValue.integer().get();
      add( textField, BorderLayout.WEST );
   }

   @Override
   public String getValue()
   {
      return textField.getText();
   }

   @Override
   public void setValue( String newValue )
   {
      textField.setText( newValue );
   }

   @Override
   public void setBinding( final StateBinder.Binding binding )
   {
      final NumberPanel panel = this;
      textField.setInputVerifier( new InputVerifier()
      {

         @Override
         public boolean verify( JComponent input )
         {
            JTextField field = (JTextField) input;

            String value = field.getText();
            if (!Strings.empty( value ))
            {
               try
               {

                  if (isInteger)
                  {
                     binding.updateProperty( Integer.parseInt( value ) );
                  } else
                  {
                     binding.updateProperty( Double.parseDouble( value.replace( ',', '.' ) ) );
                  }
               } catch (NumberFormatException e)
               {
                  if (isInteger)
                  {
                     dialogs.showMessageDialog( panel, i18n.text( CaseResources.invalidinteger ), "" );
                  } else
                  {
                     dialogs.showMessageDialog( panel, i18n.text( CaseResources.invalidfloat ), "" );
                  }
                  return false;
               }
            }
            return true;
         }
      } );
   }
}