AttachmentFieldPanel.java example

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streamflow-core-master
/**
 *
 * 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.event.ActionEvent;
import java.awt.event.ActionListener;

import se.streamsource.streamflow.client.util.StreamflowButton;
import javax.swing.JFileChooser;
import javax.swing.JLabel;

import org.jdesktop.application.Action;
import org.jdesktop.application.ApplicationActionMap;
import org.jdesktop.application.ApplicationContext;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.injection.scope.Uses;
import org.qi4j.api.structure.Module;

import se.streamsource.streamflow.api.workspace.cases.form.AttachmentFieldSubmission;
import se.streamsource.streamflow.api.workspace.cases.general.FieldSubmissionDTO;
import se.streamsource.streamflow.client.ui.workspace.WorkspaceResources;
import se.streamsource.streamflow.client.util.StateBinder;
import se.streamsource.streamflow.client.util.i18n;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;

/**
 * The panel responsible for viewing gui components for attaching a file from a form.
 */
public class AttachmentFieldPanel
      extends AbstractFieldPanel
{
   private StreamflowButton attach;
   private JLabel attachment = new JLabel();

   @Structure
   Module module;

   public AttachmentFieldPanel( @Uses FieldSubmissionDTO field,
                                @Service ApplicationContext context )
   {
      super( field );

      FormLayout formLayout = new FormLayout(
            "60dlu, 2dlu, 150dlu",
            "20dlu" );

      DefaultFormBuilder formBuilder = new DefaultFormBuilder( formLayout, this );

      ApplicationActionMap am = context.getActionMap( this );
      attach = new StreamflowButton( am.get( "attach" ) );

      formBuilder.add( attach, "1,1,1,1" );
      formBuilder.add( attachment, "3,1,1,1" );
   }

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

   @Action
   public void attach()
   {

   }

   @Override
   public void setValue( String newValue )
   {
      if (!newValue.equals(""))
      {
         AttachmentFieldSubmission submission = module.valueBuilderFactory().newValueFromJSON(AttachmentFieldSubmission.class, newValue);
         attachment.setText( submission.name().get() );
      }
   }

   @Override
   public void setBinding( final StateBinder.Binding binding )
   {
      attach.addActionListener( new ActionListener()
      {
         public void actionPerformed( ActionEvent e )
         {
            JFileChooser fileChooser = new JFileChooser();
            fileChooser.setMultiSelectionEnabled( false );

            if (fileChooser.showDialog( AttachmentFieldPanel.this, i18n.text( WorkspaceResources.create_attachment ) ) == JFileChooser.APPROVE_OPTION)
            {
               binding.updateProperty( fileChooser.getSelectedFile() );
            }

         }
      });
   }
}