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MainApplet.java

// License: GPL. Copyright 2007 by Immanuel Scholz and others
package org.openstreetmap.josm.gui;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.applet.AppletStub;
import java.applet.AppletContext;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.net.URL;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;

import javax.swing.JApplet;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.JosmAction;
import org.openstreetmap.josm.data.ServerSidePreferences;
import org.openstreetmap.josm.tools.GBC;

public class MainApplet extends JApplet {

      public static final class UploadPreferencesAction extends JosmAction {
            public UploadPreferencesAction() {
                  super(tr("Upload Preferences"), "upload-preferences", tr("Upload the current preferences to the server"), KeyEvent.VK_U, KeyEvent.CTRL_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK, true);
        }
          public void actionPerformed(ActionEvent e) {
            ((ServerSidePreferences)Main.pref).upload();
          }
    }

    private final class MainCaller extends Main {
            private MainCaller() {
                  setContentPane(contentPane);
                  setJMenuBar(menu);
                  setBounds(bounds);
            }
      }

      private final static String[][] paramInfo = {
            {"username", tr("string"), tr("Name of the user.")},
            {"password", tr("string"), tr("OSM Password.")},
            {"geometry", tr("string"), tr("Resize the applet to the given geometry (format: WIDTHxHEIGHT)")},
            {"download", tr("string;string;..."), tr("Download each. Can be x1,y1,x2,y2 an url containing lat=y&lon=x&zoom=z or a filename")},
            {"downloadgps", tr("string;string;..."), tr("Download each as raw gps. Can be x1,y1,x2,y2 an url containing lat=y&lon=x&zoom=z or a filename")},
            {"selection", tr("string;string;..."), tr("Add each to the initial selection. Can be a google-like search string or an url which returns osm-xml")},
            {"reset-preferences", tr("any"),tr("If specified, reset the configuration instead of reading it.")}
      };

      private Map<String, Collection<String>> args = new HashMap<String, Collection<String>>();

      @Override public String[][] getParameterInfo() {
            return paramInfo;
      }

      @Override public void init() {
            for (String[] s : paramInfo) {
                  Collection<String> p = readParameter(s[0], args.get(s[0]));
                  if (p != null)
                        args.put(s[0], p);
            }
            if (!args.containsKey("geometry") && getParameter("width") != null && getParameter("height") != null) {
                  args.put("geometry", Arrays.asList(new String[]{getParameter("width")+"x"+getParameter("height")}));
            }
      }

      @Override public void start() {
            String username = args.containsKey("username") ? args.get("username").iterator().next() : null;
            String password = args.containsKey("password") ? args.get("password").iterator().next() : null;
            if (username == null || password == null) {
                  JPanel p = new JPanel(new GridBagLayout());
                  p.add(new JLabel(tr("Username")), GBC.std().insets(0,0,20,0));
                  JTextField user = new JTextField(username == null ? "" : username);
                  p.add(user, GBC.eol().fill(GBC.HORIZONTAL));
                  p.add(new JLabel(tr("Password")), GBC.std().insets(0,0,20,0));
                  JPasswordField pass = new JPasswordField(password == null ? "" : password);
                  p.add(pass, GBC.eol().fill(GBC.HORIZONTAL));
                  JOptionPane.showMessageDialog(null, p);
                  username = user.getText();
                  password = new String(pass.getPassword());
                  args.put("password", Arrays.asList(new String[]{password}));
            }

            Main.applet = true;
            Main.pref = new ServerSidePreferences(getCodeBase());
            ((ServerSidePreferences)Main.pref).download(username, password);

            Main.preConstructorInit(args);
            Main.parent = this;
            new MainCaller().postConstructorProcessCmdLine(args);
            
            MainMenu m = Main.main.menu; // shortcut

            // remove offending stuff from JOSM (that would break the SecurityManager)
            m.remove(m.fileMenu);
            m.editMenu.add(new UploadPreferencesAction());
            m.open.setEnabled(false);
            m.exit.setEnabled(false);
            m.save.setEnabled(false);
            m.saveAs.setEnabled(false);
            m.gpxExport.setEnabled(false);
      }

      private Collection<String> readParameter(String s, Collection<String> v) {
            String param = getParameter(s);
            if (param != null) {
                  if (v == null)
                        v = new LinkedList<String>();
                  v.addAll(Arrays.asList(param.split(";")));
            }
            return v;
      }

      public static void main(String[] args) {
            final JFrame frame = new JFrame("Java OpenStreetMap Applet");
            MainApplet applet = new MainApplet();
            applet.setStub(new AppletStub() {
                  public void appletResize(int w, int h) {
                        frame.setSize(w, h);
                  }

                  public AppletContext getAppletContext() {
                        return null;
                  }

                  public URL getCodeBase() {
                        try {
                              return new File(".").toURI().toURL();
                        } catch (Exception e) {
                              e.printStackTrace();
                              return null;
                        }
                  }

                  public URL getDocumentBase() {
                        return getCodeBase();
                  }

                  public String getParameter(String k) {
                        return null;
                  }

                  public boolean isActive() {
                        return true;
                  }
            });
            applet.init();
            applet.start();
            frame.setContentPane(applet);
            frame.setVisible(true);
      }
}

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