ViewFactory.java

/**
 * Copyright 2011 multibit.org
 *
 * Licensed under the MIT license (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://opensource.org/licenses/mit-license.php
 *
 * 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.multibit.viewsystem.swing.view;

import org.multibit.controller.Controller;
import org.multibit.controller.bitcoin.BitcoinController;
import org.multibit.controller.exchange.ExchangeController;
import org.multibit.viewsystem.View;
import org.multibit.viewsystem.Viewable;
import org.multibit.viewsystem.swing.MultiBitFrame;
import org.multibit.viewsystem.swing.view.dialogs.ShowOpenUriDialog;
import org.multibit.viewsystem.swing.view.panels.*;

import java.util.EnumMap;
import java.util.Map;

/**
 * a factory class that lazy loads views
 *
 * @author jim
 */
public class ViewFactory {
  private Map<View, Viewable> viewMap;

  private final Controller controller;
  private final BitcoinController bitcoinController;
  private final ExchangeController exchangeController;

  private final MultiBitFrame mainFrame;

  public ViewFactory(BitcoinController bitcoinController, ExchangeController exchangeController, MultiBitFrame mainFrame) {
    this.bitcoinController = bitcoinController;
    this.exchangeController = exchangeController;
    this.controller = this.bitcoinController;
    this.mainFrame = mainFrame;
    initialise();
  }

  public final void initialise() {
    viewMap = new EnumMap<View, Viewable>(View.class);
  }

  public Viewable getView(View viewNumber) {
    Viewable viewToReturn = viewMap.get(viewNumber);

    if (viewToReturn == null) {
      viewToReturn = createView(viewNumber);
    }

    return viewToReturn;
  }

  public void addView(View viewNumber, Viewable view) {
    viewMap.put(viewNumber, view);
  }

  private Viewable createView(View viewNumber) {
    Viewable viewToReturn = null;

    switch (viewNumber) {

      case SAME_VIEW: {
        assert false;
        break;
      }

      case WELCOME_VIEW: {
        viewToReturn = new WelcomePanel(controller, mainFrame);
        break;
      }

      case TRANSACTIONS_VIEW: {
        viewToReturn = new ShowTransactionsPanel(this.bitcoinController, mainFrame);
        break;
      }

      case HELP_ABOUT_VIEW: {
        viewToReturn = new HelpAboutPanel(controller, mainFrame);
        break;
      }

      case HELP_CONTENTS_VIEW: {
        viewToReturn = new HelpContentsPanel(controller, mainFrame);
        break;
      }

      case RECEIVE_BITCOIN_VIEW: {
        viewToReturn = new ReceiveBitcoinPanel(this.bitcoinController, mainFrame);
        break;
      }

      case SEND_BITCOIN_VIEW: {
        viewToReturn = new SendBitcoinPanel(this.bitcoinController, mainFrame);
        break;
      }

      case PREFERENCES_VIEW: {
        viewToReturn = new ShowPreferencesPanel(this.bitcoinController, this.exchangeController, mainFrame);
        break;
      }

      case RESET_TRANSACTIONS_VIEW: {
        viewToReturn = new ResetTransactionsPanel(this.bitcoinController, mainFrame);
        break;
      }

      case SHOW_OPEN_URI_DIALOG_VIEW: {
        viewToReturn = new ShowOpenUriDialog(this.bitcoinController, mainFrame);
        break;
      }

      case SIGN_MESSAGE_VIEW: {
        viewToReturn = new SignMessagePanel(this.bitcoinController, mainFrame);
        break;
      }

      case VERIFY_MESSAGE_VIEW: {
        viewToReturn = new VerifyMessagePanel(this.bitcoinController, mainFrame);
        break;
      }

      case SHOW_IMPORT_PRIVATE_KEYS_VIEW: {
        viewToReturn = new ImportPrivateKeysPanel(this.bitcoinController, mainFrame);
        break;
      }

      case SHOW_EXPORT_PRIVATE_KEYS_VIEW: {
        viewToReturn = new ExportPrivateKeysPanel(this.bitcoinController, mainFrame);
        break;
      }
      case SHOW_CHECK_PRIVATE_KEYS_VIEW: {
        viewToReturn = new CheckPrivateKeysPanel(this.bitcoinController);
        break;
      }

      case MESSAGES_VIEW: {
        viewToReturn = new MessagesPanel(controller, mainFrame);
        break;
      }

      case ADD_PASSWORD_VIEW: {
        viewToReturn = new AddPasswordPanel(this.bitcoinController, mainFrame);
        break;
      }

      case CHANGE_PASSWORD_VIEW: {
        viewToReturn = new ChangePasswordPanel(this.bitcoinController, mainFrame);
        break;
      }

      case REMOVE_PASSWORD_VIEW: {
        viewToReturn = new RemovePasswordPanel(this.bitcoinController, mainFrame);
        break;
      }

      case CHARTS_VIEW: {
        viewToReturn = new ChartsPanel(this.bitcoinController, mainFrame);
        break;
      }

      default: {
      }
    }

    if (viewToReturn != null) {
      viewMap.put(viewNumber, viewToReturn);
    }
    return viewToReturn;
  }
}