source: josm/src/org/openstreetmap/josm/actions/DownloadAction.java@ 242

package org.openstreetmap.josm.actions;

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

import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.download.DownloadDialog;
import org.openstreetmap.josm.gui.download.DownloadDialog.DownloadTask;
import org.openstreetmap.josm.tools.GBC;

/**
 * Action that opens a connection to the osm server and download map data.
 *
 * An dialog is displayed asking the user to specify a rectangle to grab.
 * The url and account settings from the preferences are used.
 *
 * @author imi
 */
public class DownloadAction extends JosmAction {
        
        public DownloadDialog dialog;
        
        public DownloadAction() {
                super(tr("Download from OSM"), "download", tr("Download map data from the OSM server."), KeyEvent.VK_D, InputEvent.CTRL_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK, true);
        }

        public void actionPerformed(ActionEvent e) {
                dialog = new DownloadDialog(Integer.parseInt(Main.pref.get("download.tab", "0")));
                
                JPanel downPanel = new JPanel(new GridBagLayout());
                downPanel.add(dialog, GBC.eol().fill(GBC.BOTH));

                JOptionPane pane = new JOptionPane(downPanel, JOptionPane.PLAIN_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
                JDialog dlg = pane.createDialog(Main.parent, tr("Download"));

                if (dlg.getWidth() > 1000)
                        dlg.setSize(1000, dlg.getHeight());
                if (dlg.getHeight() > 600)
                        dlg.setSize(dlg.getWidth(),600);

                dlg.setVisible(true);
                if (pane.getValue() instanceof Integer && (Integer)pane.getValue() == JOptionPane.OK_OPTION) {
                        Main.pref.put("download.tab", Integer.toString(dialog.getSelectedTab()));
                        for (DownloadTask task : dialog.downloadTasks) {
                                Main.pref.put("download."+task.getPreferencesSuffix(), task.getCheckBox().isSelected());
                                if (task.getCheckBox().isSelected()) {
                                        task.download(this, dialog.minlat, dialog.minlon, dialog.maxlat, dialog.maxlon);
                                }
                        }
                }
        }
}