Package tvbrowser.ui.settings

Source Code of tvbrowser.ui.settings.ChannelListChangesDialog

/*
* TV-Browser
* Copyright (C) 04-2003 Martin Oberhauser (darras@users.sourcceforge.net)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
* CVS information:
*     $Date: 2009-11-07 11:11:35 +0100 (Sat, 07 Nov 2009) $
*   $Author: bananeweizen $
* $Revision: 6054 $
*/
package tvbrowser.ui.settings;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.swing.BorderFactory;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import tvbrowser.ui.settings.channel.ChannelJList;
import util.ui.ChannelListCellRenderer;
import util.ui.Localizer;
import util.ui.UiUtilities;
import devplugin.Channel;

public class ChannelListChangesDialog extends JDialog {
  /** The localizer for this class. */
  private static final util.ui.Localizer mLocalizer = util.ui.Localizer
      .getLocalizerFor(ChannelListChangesDialog.class);

  private ArrayList<Channel> mAddedList;

  private ArrayList<Channel> mDeletedList;

  public ChannelListChangesDialog(JDialog owner,
      ArrayList<Channel> addedList, ArrayList<Channel> deletedList) {
    super(owner, true);
    mAddedList = addedList;
    mDeletedList = deletedList;
    createGui();
  }

  /**
   * Creates the GUI
   */
  private void createGui() {
    setTitle(mLocalizer.msg("title", "Channel changes"));

    setLocationRelativeTo(getParent());

    JPanel contentPanel = new JPanel();
    contentPanel.setLayout(new GridLayout(1, 2, 10, 0));

    JPanel panelAdded = new JPanel(new BorderLayout());
    panelAdded.setBorder(BorderFactory.createTitledBorder(mLocalizer.msg("added", "New channels: {0}", mAddedList.size())));

    DefaultListModel listModel = new DefaultListModel();
    for (int i = 0; i < mAddedList.size(); i++) {
      listModel.addElement(mAddedList.get(i));
    }
    ChannelJList list = new ChannelJList(listModel);
    list.setCellRenderer(new ChannelListCellRenderer(true, true));

    panelAdded.add(new JScrollPane(list), BorderLayout.CENTER);

    JPanel panelDeleted = new JPanel(new BorderLayout());
    panelDeleted.setBorder(BorderFactory.createTitledBorder(mLocalizer.msg("deleted", "Removed channels: {0}", mDeletedList.size())));

    listModel = new DefaultListModel();
    for (int i = 0; i < mDeletedList.size(); i++) {
      listModel.addElement(mDeletedList.get(i));
    }
    list = new ChannelJList(listModel);
    list.setCellRenderer(new ChannelListCellRenderer(true, true));

    panelDeleted.add(new JScrollPane(list), BorderLayout.CENTER);

    JPanel btnPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
    JButton ok = new JButton(Localizer.getLocalization(Localizer.I18N_OK));
    ok.addActionListener(new ActionListener() {

      public void actionPerformed(ActionEvent e) {
        setVisible(false);
      }

    });
    btnPanel.add(ok);

    contentPanel.add(panelAdded);
    contentPanel.add(panelDeleted);
    JPanel pane = (JPanel) getContentPane();
    pane.add(contentPanel, BorderLayout.CENTER);
    pane.add(btnPanel, BorderLayout.SOUTH);
    pane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    pack();

  }

  public static void showChannelChanges(JDialog owner,
      ArrayList<Channel> channelsBefore, List<Channel> channelsAfter) {
    // compute changed channels
    ArrayList<Channel> addedList = new ArrayList<Channel>();
    ArrayList<Channel> deletedList = new ArrayList<Channel>();
    for (int i = 0; i < channelsAfter.size(); i++) {
      if (!channelsBefore.contains(channelsAfter.get(i))) {
        addedList.add(channelsAfter.get(i));
      }
    }
    Collections.sort(addedList);
    for (int i = 0; i < channelsBefore.size(); i++) {
      if (!channelsAfter.contains(channelsBefore.get(i))) {
        deletedList.add(channelsBefore.get(i));
      }
    }
    Collections.sort(deletedList);
    // show changes
    if (addedList.isEmpty() && deletedList.isEmpty()) {
      JOptionPane.showMessageDialog(owner, mLocalizer.msg("noChanges.message", "There are no changes in the list of available channels."), mLocalizer.msg("noChanges.title", "No changes"), JOptionPane.INFORMATION_MESSAGE);
    }
    else {
      ChannelListChangesDialog changesDialog = new ChannelListChangesDialog(SettingsDialog.getInstance().getDialog(), addedList, deletedList);
      UiUtilities.centerAndShow(changesDialog);
    }
  }
}
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