PurRepositoryDialog.java

/*!
 * Copyright 2010 - 2015 Pentaho Corporation.  All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.pentaho.di.ui.repository.pur;

import java.util.Enumeration;
import java.util.ResourceBundle;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.gui.SpoonFactory;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.repository.RepositoriesMeta;
import org.pentaho.di.repository.RepositoryMeta;
import org.pentaho.di.repository.pur.PurRepositoryMeta;
import org.pentaho.di.ui.repository.dialog.RepositoryDialogInterface;
import org.pentaho.di.ui.repository.pur.controller.RepositoryConfigController;
import org.pentaho.ui.xul.XulDomContainer;
import org.pentaho.ui.xul.XulException;
import org.pentaho.ui.xul.XulRunner;
import org.pentaho.ui.xul.components.XulMessageBox;
import org.pentaho.ui.xul.containers.XulDialog;
import org.pentaho.ui.xul.swt.SwtXulLoader;
import org.pentaho.ui.xul.swt.SwtXulRunner;

public class PurRepositoryDialog implements RepositoryDialogInterface, java.io.Serializable {

  private static final long serialVersionUID = -4642068735574655692L; /* EESOURCE: UPDATE SERIALVERUID */
  protected RepositoryMeta repositoryMeta;
  protected RepositoriesMeta repositoriesMeta;
  protected RepositoriesMeta masterRepositoriesMeta;
  protected String masterRepositoryName;
  protected Shell parent;

  protected int style;

  private static final Class<?> PKG = PurRepositoryDialog.class;

  private static Log log = LogFactory.getLog( PurRepositoryDialog.class );

  private RepositoryConfigController repositoryConfigController = new RepositoryConfigController();

  private XulDomContainer container;

  private ResourceBundle resourceBundle = new ResourceBundle() {

    @Override
    public Enumeration<String> getKeys() {
      return null;
    }

    @Override
    protected Object handleGetObject( String key ) {
      return BaseMessages.getString( PKG, key );
    }

  };

  public PurRepositoryDialog( Shell parent, int style, RepositoryMeta repositoryMeta, RepositoriesMeta repositoriesMeta ) {
    this.parent = parent;
    this.repositoriesMeta = repositoriesMeta;
    this.repositoryMeta = repositoryMeta;
    this.style = style;
    this.masterRepositoriesMeta = repositoriesMeta.clone();
    this.masterRepositoryName = repositoryMeta.getName();
  }

  public RepositoryMeta open( final MODE mode ) {
    try {
      SwtXulLoader swtLoader = new SwtXulLoader();
      swtLoader.setOuterContext( parent );
      swtLoader.registerClassLoader( getClass().getClassLoader() );
      container =
          swtLoader.loadXul( "org/pentaho/di/ui/repository/pur/xul/pur-repository-config-dialog.xul", resourceBundle ); //$NON-NLS-1$
      final XulRunner runner = new SwtXulRunner();
      runner.addContainer( container );
      parent.addDisposeListener( new DisposeListener() {

        public void widgetDisposed( DisposeEvent arg0 ) {
          hide();
        }

      } );
      repositoryConfigController.setMessages( resourceBundle );
      repositoryConfigController.setRepositoryMeta( repositoryMeta );
      repositoryConfigController.setCallback( new IRepositoryConfigDialogCallback() {

        public void onSuccess( PurRepositoryMeta meta ) {
          // If repository does not have a name then send back a null repository meta
          if ( meta.getName() != null ) {
            // If MODE is ADD then check if the repository name does not exist in the repository list then close this
            // dialog
            // If MODE is EDIT then check if the repository name is the same as before if not check if the new name does
            // not exist in the repository. Otherwise return true to this method, which will mean that repository
            // already exist
            if ( mode == MODE.ADD ) {
              if ( masterRepositoriesMeta.searchRepository( meta.getName() ) == null ) {
                repositoryMeta = meta;
                hide();
              } else {
                displayRepositoryAlreadyExistMessage( meta.getName() );
              }
            } else {
              if ( masterRepositoryName.equals( meta.getName() ) ) {
                repositoryMeta = meta;
                hide();
              } else if ( masterRepositoriesMeta.searchRepository( meta.getName() ) == null ) {
                repositoryMeta = meta;
                hide();
              } else {
                displayRepositoryAlreadyExistMessage( meta.getName() );
              }
            }
          }
        }

        public void onError( Throwable t ) {
          SpoonFactory.getInstance().messageBox( t.getLocalizedMessage(),
              resourceBundle.getString( "RepositoryConfigDialog.InitializationFailed" ), false, Const.ERROR ); //$NON-NLS-1$
          log.error( resourceBundle.getString( "RepositoryConfigDialog.ErrorStartingXulApplication" ), t );//$NON-NLS-1$
        }

        public void onCancel() {
          repositoryMeta = null;
          hide();
        }
      } );
      container.addEventHandler( repositoryConfigController );

      try {
        runner.initialize();
        show();
      } catch ( XulException e ) {
        SpoonFactory.getInstance().messageBox( e.getLocalizedMessage(),
            resourceBundle.getString( "RepositoryConfigDialog.InitializationFailed" ), false, Const.ERROR ); //$NON-NLS-1$
        log.error( resourceBundle.getString( "RepositoryConfigDialog.ErrorStartingXulApplication" ), e );//$NON-NLS-1$
      }
    } catch ( XulException e ) {
      log.error( resourceBundle.getString( "RepositoryConfigDialog.ErrorStartingXulApplication" ), e );//$NON-NLS-1$
    }
    return repositoryMeta;
  }

  public Composite getDialogArea() {
    XulDialog dialog = (XulDialog) container.getDocumentRoot().getElementById( "repository-config-dialog" ); //$NON-NLS-1$
    return (Composite) dialog.getManagedObject();
  }

  public void show() {
    XulDialog dialog = (XulDialog) container.getDocumentRoot().getElementById( "repository-config-dialog" ); //$NON-NLS-1$
    dialog.show();
  }

  public void hide() {
    XulDialog dialog = (XulDialog) container.getDocumentRoot().getElementById( "repository-config-dialog" ); //$NON-NLS-1$
    dialog.hide();
  }

  public Shell getShell() {
    XulDialog dialog = (XulDialog) container.getDocumentRoot().getElementById( "repository-config-dialog" ); //$NON-NLS-1$
    return (Shell) dialog.getRootObject();
  }

  private void displayRepositoryAlreadyExistMessage( String name ) {
    try {
      XulMessageBox messageBox = (XulMessageBox) container.getDocumentRoot().createElement( "messagebox" );
      messageBox.setTitle( resourceBundle.getString( "Dialog.Error" ) );//$NON-NLS-1$
      messageBox.setAcceptLabel( resourceBundle.getString( "Dialog.Ok" ) );//$NON-NLS-1$
      messageBox.setMessage( BaseMessages.getString( PKG, "PurRepositoryDialog.Dialog.ErrorIdExist.Message", name ) );//$NON-NLS-1$
      messageBox.open();

    } catch ( XulException e ) {
      throw new RuntimeException( e );
    }
  }
}