/*
* Copyright (C) 2014 Alfons Wirtz
* website www.freerouting.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 3 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 at <http://www.gnu.org/licenses/>
* for more details.
*
* WindowNetSampleDesigns.java
*
* Created on 11. November 2006, 07:49
*
*/
package gui;
import java.util.zip.ZipInputStream;
import java.net.URL;
import java.net.URLConnection;
/**
* Window with a list for selecting samples in the net.
*
* @author Alfons Wirtz
*/
public abstract class WindowNetSamples extends BoardSubWindow
{
/** Creates a new instance of WindowNetSampleDesigns */
public WindowNetSamples(java.util.Locale p_locale, String p_title, String p_button_name, int p_row_count)
{
this.locale = p_locale;
this.resources = java.util.ResourceBundle.getBundle("gui.resources.WindowNetSamples", p_locale);
this.setTitle(resources.getString(p_title));
this.setDefaultCloseOperation(DISPOSE_ON_CLOSE );
// create main panel
final javax.swing.JPanel main_panel = new javax.swing.JPanel();
this.add(main_panel);
main_panel.setLayout(new java.awt.BorderLayout());
javax.swing.border.Border panel_border = javax.swing.BorderFactory.createEmptyBorder(10, 10, 10, 10);
main_panel.setBorder(panel_border);
// create open button
javax.swing.JButton open_button = new javax.swing.JButton(resources.getString(p_button_name));
open_button.addActionListener(new OpenListener());
main_panel.add(open_button, java.awt.BorderLayout.SOUTH);
// create list with the sample designs
this.list = new javax.swing.JList(this.list_model);
fill_list();
this.list.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
this.list.setSelectedIndex(0);
this.list.setVisibleRowCount(p_row_count);
this.list.addMouseListener(new java.awt.event.MouseAdapter()
{
public void mouseClicked(java.awt.event.MouseEvent evt)
{
if (evt.getClickCount() > 1)
{
button_pushed();
}
}
});
javax.swing.JScrollPane list_scroll_pane = new javax.swing.JScrollPane(this.list);
list_scroll_pane.setPreferredSize(new java.awt.Dimension(200, 20 * p_row_count));
main_panel.add(list_scroll_pane, java.awt.BorderLayout.CENTER);
this.pack();
}
/**
* Fill the list with the examples.
*/
protected abstract void fill_list();
/**
* Action to be perfomed. when the button is pushed after selecting an item in the list.
*/
protected abstract void button_pushed();
/**
* Opens a zipped archive from an URL in the net.
* Returns a zipped input stream, who is positioned at the start of p_file_name,
* or null, if an error occured,
*/
protected static ZipInputStream open_zipped_file(String p_archive_name, String p_file_name)
{
String archive_path_name = MainApplication.WEB_FILE_BASE_NAME + p_archive_name + ".zip";
URL archive_url = null;
try
{
archive_url = new URL(archive_path_name);
}
catch(java.net.MalformedURLException e)
{
return null;
}
java.io.InputStream input_stream = null;
ZipInputStream zip_input_stream = null;
URLConnection net_connection = null;
try
{
net_connection = archive_url.openConnection();
}
catch (Exception e)
{
return null;
}
try
{
input_stream = net_connection.getInputStream();
}
catch (java.io.IOException e)
{
return null;
}
catch (java.security.AccessControlException e)
{
return null;
}
try
{
zip_input_stream = new ZipInputStream(input_stream);
}
catch (Exception e)
{
WindowMessage.show("unable to get zip input stream");
return null;
}
String compare_name = p_archive_name + "/" + p_file_name;
java.util.zip.ZipEntry curr_entry = null;
for (;;)
{
try
{
curr_entry = zip_input_stream.getNextEntry();
}
catch (Exception E)
{
return null;
}
if (curr_entry == null)
{
return null;
}
String design_name = curr_entry.getName();
if (design_name.equals(compare_name))
{
break;
}
}
return zip_input_stream;
}
/**
* Opens a sample design on the website.
*/
protected static BoardFrame open_design(String p_archive_name, String p_design_name, java.util.Locale p_locale)
{
ZipInputStream zip_input_stream = open_zipped_file(p_archive_name, p_design_name);
if (zip_input_stream == null)
{
return null;
}
DesignFile design_file = DesignFile.get_instance("sharc_routed.dsn", true);
BoardFrame new_frame =
new BoardFrame(design_file, BoardFrame.Option.WEBSTART, board.TestLevel.RELEASE_VERSION,
p_locale, false);
boolean read_ok = new_frame.read(zip_input_stream, true, null);
if (!read_ok)
{
return null;
}
new_frame.setVisible(true);
return new_frame;
}
protected final java.util.ResourceBundle resources;
protected final java.util.Locale locale;
protected javax.swing.DefaultListModel list_model = new javax.swing.DefaultListModel();
protected final javax.swing.JList list;
private class OpenListener implements java.awt.event.ActionListener
{
public void actionPerformed(java.awt.event.ActionEvent p_evt)
{
button_pushed();
}
}
}