source: osm/applications/editors/josm/plugins/slippy_map_chooser/src/SlippyMapChooserPlugin.java@ 9851

// This code has been adapted and copied from code that has been written by Immanuel Scholz and others for JOSM.
// License: GPL. Copyright 2007 by Tim Haussmann

import java.util.List;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
import org.openstreetmap.josm.gui.download.DownloadSelection;
import org.openstreetmap.josm.plugins.Plugin;

/**
 * @author Tim Haussmann
 */
public class SlippyMapChooserPlugin extends Plugin implements PreferenceChangedListener {

        static String iPluginFolder = "";

        private static final String KEY_MAX_TILES_IN_MEMORY = "slippy_map_chooser.max_tiles";
        private static final String KEY_ENABLE_FILE_CACHE = "slippy_map_chooser.file_cache";

        static int MAX_TILES_IN_MEMORY = 200;
        static boolean ENABLE_FILE_CACHE = true;

        public SlippyMapChooserPlugin() {
                // create the plugin folder
                // iPluginFolder = getPluginDir();
                // File pluginFolder = new File(iPluginFolder);
                // if(!pluginFolder.exists())
                // pluginFolder.mkdir();
                //              
                // //init the logger
                // Logger.setLogFile(iPluginFolder+"\\slippy_map_chooser.log");

                // Add this plugin to the preference changed listener list
                Main.pref.listener.add(this);

                // load prefs
                String maxTiles = Main.pref.get(KEY_MAX_TILES_IN_MEMORY);
                if (!maxTiles.equals("")) {
                        preferenceChanged(KEY_MAX_TILES_IN_MEMORY, maxTiles);
                } else {
                        Main.pref.put(KEY_MAX_TILES_IN_MEMORY, Integer.toString(MAX_TILES_IN_MEMORY));
                }
                String enableFileCache = Main.pref.get(KEY_ENABLE_FILE_CACHE);
                if (!enableFileCache.equals("")) {
                        preferenceChanged(KEY_ENABLE_FILE_CACHE, enableFileCache);
                } else {
                        Main.pref.put(KEY_ENABLE_FILE_CACHE, Boolean.toString(ENABLE_FILE_CACHE));
                }
        }

        public void addDownloadSelection(List<DownloadSelection> list) {
                list.add(new SlippyMapChooser());
        }

        public void preferenceChanged(String key, String newValue) {
                if (KEY_MAX_TILES_IN_MEMORY.equals(key)) {
                        try {
                                MAX_TILES_IN_MEMORY = Integer.parseInt(newValue);
                        } catch (Exception e) {
                                MAX_TILES_IN_MEMORY = 1000;
                        }
                } else if (KEY_ENABLE_FILE_CACHE.equals(key)) {
                        try {
                                ENABLE_FILE_CACHE = Boolean.parseBoolean(newValue);
                        } catch (Exception e) {
                                MAX_TILES_IN_MEMORY = 1000;
                        }
                }
        }

}