UISecurity.java

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 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.
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package org.pentaho.di.ui.repository.repositoryexplorer.model;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.pentaho.di.repository.IUser;
import org.pentaho.di.repository.ObjectRecipient.Type;
import org.pentaho.di.repository.RepositorySecurityManager;
import org.pentaho.ui.xul.XulEventSourceAdapter;

public class UISecurity extends XulEventSourceAdapter {

  public static enum Mode {
    ADD, EDIT, EDIT_MEMBER
  }

  private Type selectedDeck;

  protected IUIUser selectedUser;

  private int selectedUserIndex;

  protected List<IUIUser> userList;

  public UISecurity() {
    userList = new ArrayList<IUIUser>();
  }

  public UISecurity( RepositorySecurityManager rsm ) throws Exception {
    this();

    if ( rsm != null && rsm.getUsers() != null ) {
      for ( IUser user : rsm.getUsers() ) {
        userList.add( UIObjectRegistry.getInstance().constructUIRepositoryUser( user ) );
      }
      Collections.sort( userList );
      this.firePropertyChange( "userList", null, userList );
    }
  }

  public Type getSelectedDeck() {
    return selectedDeck;
  }

  public void setSelectedDeck( Type selectedDeck ) {
    this.selectedDeck = selectedDeck;
    this.firePropertyChange( "selectedDeck", null, selectedDeck );
  }

  public int getSelectedUserIndex() {
    return selectedUserIndex;
  }

  public void setSelectedUserIndex( int selectedUserIndex ) {
    this.selectedUserIndex = selectedUserIndex;
    this.firePropertyChange( "selectedUserIndex", null, selectedUserIndex );
  }

  public IUIUser getSelectedUser() {
    return selectedUser;
  }

  public void setSelectedUser( IUIUser selectedUser ) {
    this.selectedUser = selectedUser;
    this.firePropertyChange( "selectedUser", null, selectedUser );
    setSelectedUserIndex( getIndexOfUser( selectedUser ) );
  }

  public List<IUIUser> getUserList() {
    return userList;
  }

  public void setUserList( List<IUIUser> userList ) {
    this.userList.clear();
    this.userList.addAll( userList );
    this.firePropertyChange( "userList", null, userList );
  }

  public void updateUser( IUIUser userToUpdate ) {
    IUIUser user = getUser( userToUpdate.getName() );
    user.setDescription( userToUpdate.getDescription() );
    this.firePropertyChange( "userList", null, userList );
    setSelectedUser( user );
  }

  public void addUser( IUIUser userToAdd ) {
    userList.add( userToAdd );
    this.firePropertyChange( "userList", null, userList );
    setSelectedUser( userToAdd );
  }

  public void removeUser( String name ) {
    removeUser( getUser( name ) );
  }

  public void removeUser( IUIUser userToRemove ) {
    int index = getIndexOfUser( userToRemove );
    userList.remove( userToRemove );
    this.firePropertyChange( "userList", null, userList );
    if ( index - 1 >= 0 ) {
      setSelectedUser( getUserAtIndex( index - 1 ) );
    }
  }

  protected IUIUser getUser( String name ) {
    for ( IUIUser user : userList ) {
      if ( user.getName().equals( name ) ) {
        return user;
      }
    }
    return null;
  }

  private IUIUser getUserAtIndex( int index ) {
    return this.userList.get( index );
  }

  private int getIndexOfUser( IUIUser ru ) {
    for ( int i = 0; i < this.userList.size(); i++ ) {
      IUIUser user = this.userList.get( i );
      if ( ru.getName().equals( user.getName() ) ) {
        return i;
      }
    }
    return -1;
  }
}