source: osm/applications/editors/josm/plugins/slippy_map_chooser/src/SlippyMapChooserPlugin.java@ 12778

// 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;
            }
        }
    }

}