source: josm/src/org/openstreetmap/josm/gui/BookmarkList.java@ 260

package org.openstreetmap.josm.gui;

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

import java.io.IOException;
import java.util.Collection;
import java.util.LinkedList;

import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.JOptionPane;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.Preferences;

/**
 * List class that read and save its content from the bookmark file.
 * @author imi
 */
public class BookmarkList extends JList {

        /**
         * Create a bookmark list as well as the Buttons add and remove.
         */
        public BookmarkList() {
                setModel(new DefaultListModel());
                load();
                setVisibleRowCount(7);
        }

        /**
         * Loads the bookmarks from file.
         */
        public void load() {
                DefaultListModel model = (DefaultListModel)getModel();
                model.removeAllElements();
                try {
                        for (Preferences.Bookmark b : Main.pref.loadBookmarks())
                                model.addElement(b);
                } catch (IOException e) {
                        e.printStackTrace();
                        JOptionPane.showMessageDialog(Main.parent, tr("Could not read bookmarks.")+"\n"+e.getMessage());
                }
        }

        /**
         * Save all bookmarks to the preferences file
         */
        public void save() {
                try {
                        Collection<Preferences.Bookmark> bookmarks = new LinkedList<Preferences.Bookmark>();
                        for (Object o : ((DefaultListModel)getModel()).toArray())
                                bookmarks.add((Preferences.Bookmark)o);
                        Main.pref.saveBookmarks(bookmarks);
                } catch (IOException e) {
                        JOptionPane.showMessageDialog(Main.parent,tr("Could not write bookmark.")+"\n"+e.getMessage());
                }
        }
}