Package org.apache.cayenne.modeler.editor.datanode

Source Code of org.apache.cayenne.modeler.editor.datanode.PasswordEncoderEditor

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*  to you under the Apache License, Version 2.0 (the
*  "License"); you may not use this file except in compliance
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package org.apache.cayenne.modeler.editor.datanode;

import java.awt.Component;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;

import javax.swing.JOptionPane;

import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.conn.DataSourceInfo;
import org.apache.cayenne.map.event.DataNodeEvent;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.event.DataNodeDisplayEvent;
import org.apache.cayenne.modeler.event.DataNodeDisplayListener;
import org.apache.cayenne.modeler.util.CayenneController;
import org.apache.cayenne.project.ProjectDataSource;
import org.apache.cayenne.swing.BindingBuilder;
import org.apache.cayenne.swing.BindingDelegate;
import org.apache.cayenne.swing.ObjectBinding;


public class PasswordEncoderEditor extends CayenneController  {
   
    protected DataNode node;
    protected ObjectBinding[] bindings;
    protected PasswordEncoderView view;
    protected BindingDelegate nodeChangeProcessor;
   
    public PasswordEncoderEditor(CayenneController parent){

        super(parent);
       
        this.view = new PasswordEncoderView();
       
        this.nodeChangeProcessor = new BindingDelegate() {

            public void modelUpdated(
                    ObjectBinding binding,
                    Object oldValue,
                    Object newValue) {

                DataNodeEvent e = new DataNodeEvent(PasswordEncoderEditor.this, node);
                ((ProjectController) getParent()).fireDataNodeEvent(e);
            }
        };
               
        initController();
    }
   
    protected void initController() {
        BindingBuilder builder = new BindingBuilder(
                getApplication().getBindingFactory(),
                this);
       
        builder.setDelegate(nodeChangeProcessor);
       
        bindings = new ObjectBinding[4];
       
        bindings[0] =
              builder.bindToComboSelection(view.getPasswordEncoder(), "node.dataSource.dataSourceInfo.passwordEncoderClass");
        bindings[1] =
              builder.bindToTextField(view.getPasswordKey(), "node.dataSource.dataSourceInfo.passwordEncoderKey");
        bindings[2] =
              builder.bindToComboSelection(view.getPasswordLocation(), "node.dataSource.dataSourceInfo.passwordLocation");
        bindings[3] =
              builder.bindToTextField(view.getPasswordSource(), "node.dataSource.dataSourceInfo.passwordSource");

          ((ProjectController) getParent())
          .addDataNodeDisplayListener(new DataNodeDisplayListener() {
       
              public void currentDataNodeChanged(DataNodeDisplayEvent e) {
                  refreshView(e.getDataNode());
              }
          });
       
          getView().addComponentListener(new ComponentAdapter() {
       
              public void componentShown(ComponentEvent e) {
                  refreshView(node != null ? node : ((ProjectController) getParent())
                          .getCurrentDataNode());
              }
          });
         
         
     
        builder.bindToAction(view.getPasswordEncoder()"validatePasswordEncoderAction()");
        builder.bindToAction(view.getPasswordLocation(), "passwordLocationChangedAction()");
     
    }
   
    protected void refreshView(DataNode node) {
        this.node = node;

        if (node == null) {
            getView().setVisible(false);
            return;
        }

        for (ObjectBinding binding : bindings) {
            binding.updateView();
        }
    }
   
    public void validatePasswordEncoderAction()
    {
      if (node == null || node.getDataSource() == null)
        return;

      DataSourceInfo dsi = ((ProjectDataSource) node.getDataSource()).getDataSourceInfo();

      if (view.getPasswordEncoder().getSelectedItem().equals(dsi.getPasswordEncoderClass()) == false)
        return;

      if (dsi.getPasswordEncoder() == null)
      {
        JOptionPane.showMessageDialog(getView(),
                                      "A valid Password Encoder should be specified (check your CLASSPATH).",
                                      "Invalid Password Encoder",
                                      JOptionPane.ERROR_MESSAGE);
      }
    }
   
    private void updatePasswordElements(boolean isPasswordFieldEnabled,
            boolean isPasswordLocationEnabled,
            String  passwordText,
            String  passwordLocationLabel,
            String  passwordLocationText)
    {
        view.getPasswordSource().setEnabled(isPasswordLocationEnabled);
        view.getPasswordSourceLabel().setText(passwordLocationLabel);
        view.getPasswordSource().setText(passwordLocationText);
       

    }
   
    public void passwordLocationChangedAction()
    {
      if (node == null || node.getDataSource() == null)
        return;

      DataSourceInfo dsi = ((ProjectDataSource) node.getDataSource()).getDataSourceInfo();

      String selectedItem = (String) view.getPasswordLocation().getSelectedItem();

      if (selectedItem.equals(DataSourceInfo.PASSWORD_LOCATION_CLASSPATH))
        updatePasswordElements(true, true, dsi.getPassword(), "Password Filename:", dsi.getPasswordSourceFilename());
      else if (selectedItem.equals(DataSourceInfo.PASSWORD_LOCATION_EXECUTABLE))
        updatePasswordElements(false, true, null, "Password Executable:", dsi.getPasswordSourceExecutable());
      else if (selectedItem.equals(DataSourceInfo.PASSWORD_LOCATION_MODEL))
        updatePasswordElements(true, false, dsi.getPassword(), "Password Source:", dsi.getPasswordSourceModel());
      else if (selectedItem.equals(DataSourceInfo.PASSWORD_LOCATION_URL))
        updatePasswordElements(false, true, null, "Password URL:", dsi.getPasswordSourceUrl());
    }

    public Component getView() {
        return view;
    }

   
    public DataNode getNode() {
        return node;
    }

   
    public void setNode(DataNode node) {
        this.node = node;
    }




}
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