source: osm/applications/editors/josm/plugins/slippy_map_chooser/src/SlippyMapChooserPlugin.java@ 7199

// 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_DB = "slippy_map_chooser.max_tiles";
        private static final String KEY_MAX_TILES_REDUCE_BY = "slippy_map_chooser.max_tiles_reduce_by";
        
        static int MAX_TILES_IN_DB = 1000;
        static int MAX_TILES_REDUCE_BY = 100;
        
        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_DB);
                if(!maxTiles.equals("")){
                        preferenceChanged(KEY_MAX_TILES_IN_DB, maxTiles);
                }else{
                        Main.pref.put(KEY_MAX_TILES_IN_DB, String.valueOf(MAX_TILES_IN_DB));
                }
                
                String maxTilesReduce = Main.pref.get(KEY_MAX_TILES_REDUCE_BY);
                if(!maxTilesReduce.equals("")){
                        preferenceChanged(KEY_MAX_TILES_REDUCE_BY, maxTilesReduce);
                }else{
                        Main.pref.put(KEY_MAX_TILES_REDUCE_BY, String.valueOf(MAX_TILES_REDUCE_BY));
                }
        }
        
        
        public void addDownloadSelection(List<DownloadSelection> list){ 
                list.add(new SlippyMapChooser());               
        }


        public void preferenceChanged(String key, String newValue) {
                if(key.equals(KEY_MAX_TILES_IN_DB)){
                        try{
                                MAX_TILES_IN_DB = Integer.parseInt(newValue);
                        }catch(Exception e){
                                MAX_TILES_IN_DB = 1000;
                        }
                        
                }else if(key.equals(KEY_MAX_TILES_REDUCE_BY)){
                        try{
                                MAX_TILES_REDUCE_BY = Integer.parseInt(newValue);
                        }catch(Exception e){
                                MAX_TILES_REDUCE_BY = 100;
                        }
                }
        }
        
        
        
        
}