mapdemo.java

一个基于PlaceLab的室内和室外的智能导航系统

				public void widgetDefaultSelected(SelectionEvent e) {
					shutdown();
				}
			});
		}
		fileItem.setMenu(fileMenu);
		
		// cut out early and don't have View, Hashtable or Place menus if there isn't anything
		// loaded yet
		if(data == null || mapView == null || mapView.getMapData() == null) return;
		
		// build view menu
		MenuItem viewItem = new MenuItem(bar, SWT.CASCADE);
		viewItem.setText("View");
		viewItem.setAccelerator(commandKey | 'V');
		Menu viewMenu = new Menu(bar);
		//
		MenuItem beaconShowItem = new MenuItem(viewMenu, SWT.CHECK);
		beaconShowItem.setText("Show Beacons");
		beaconShowItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				toggleBeacons();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				toggleBeacons();
			}
		});
		beaconShowItem.setSelection(mapView.getShowBeacons());
		//
		MenuItem particlesShowItem = new MenuItem(viewMenu, SWT.CHECK);
		particlesShowItem.setText("Show Particles");
		particlesShowItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				toggleParticles();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				toggleParticles();
			}
		});
		particlesShowItem.setSelection(mapView.getShowParticles());
		//		
		MenuItem autoScrollItem = new MenuItem(viewMenu, SWT.CHECK);
		autoScrollItem.setText("Auto Scroll Map " + mapView.getAutoScroll());
		autoScrollItem.setSelection(mapView.getAutoScroll());
		autoScrollItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				toggleAutoScroll();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				toggleAutoScroll();
			}
		});
		
		//
		MenuItem autoZoomItem = new MenuItem(viewMenu, SWT.CHECK);
		autoZoomItem.setText("Auto Zoom Map");
		autoZoomItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				toggleAutoZoom();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				toggleAutoZoom();
			}
		});
		autoZoomItem.setSelection(mapView.getAutoZoom());
		//
		MenuItem zoomInItem = new MenuItem(viewMenu, SWT.PUSH);
		zoomInItem.setText("Zoom In");
		zoomInItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				mapView.zoomIn();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				mapView.zoomIn();
			}
		});
		//
		MenuItem zoomOutItem = new MenuItem(viewMenu, SWT.PUSH);
		zoomOutItem.setText("Zoom Out");
		zoomOutItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				mapView.zoomOut();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				mapView.zoomOut();
			}
		});
		viewItem.setMenu(viewMenu);
		
		// build map menu
		MenuItem mapItem = new MenuItem(bar, SWT.CASCADE);
		mapItem.setText("Maps");
		Menu mapMenu = new Menu(bar);
		Enumeration e = data.getMaps().keys();
		String selected = mapView.getMapData().getName();
		MenuItem select = null;
		while(e.hasMoreElements()) {
			String name = (String) e.nextElement();
			MenuItem item = new MenuItem(mapMenu, SWT.RADIO);
			if(select == null && name.equals(selected)) {
				select = item;
				item.setSelection(true);
			}
			item.setText(name);
			item.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					mapAction(e);
				}
				public void widgetDefaultSelected(SelectionEvent e) {
					mapAction(e);
				}
			});
		}
		if(select != null) mapMenu.setDefaultItem(select);
		MenuItem placeItem = new MenuItem(bar, SWT.CASCADE);
		placeItem.setText("Places");
		Menu placeMenu = new Menu(bar);
		placeItems = new Vector();
		Hashtable defaultPlaceSets = data.getDefaultPlaceSets();
		e = data.getPlaceSetNames();
		while(e.hasMoreElements()) {
			String name = (String)e.nextElement();
			MenuItem item = new MenuItem(placeMenu, SWT.CHECK);
			if(defaultPlaceSets != null && defaultPlaceSets.containsKey(name)) item.setSelection(true);
			item.setText(name);
			item.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					placeAction(e);
				}
				public void widgetDefaultSelected(SelectionEvent e) {
					placeAction(e);
				}
			});
			placeItems.add(item);
		}
		mapItem.setMenu(mapMenu);
		placeItem.setMenu(placeMenu);
	}
	protected void mapAction(SelectionEvent e) {
		MenuItem item = (MenuItem)e.getSource();
		String mapName = item.getText();
		MapBacking map = data.getMap(mapName);
		if(mapName != null) {
			shell.setText(mapName);
			mapView.setMapData(map);
		}
	}
	protected void saveWad() {
		if(data != null) {
			try {
				data.saveWad();
			} catch (Exception e) {
				this.errorDialog("Save failed", e);
			}
		}
	}
	protected void saveAsWad() {
		if(data != null) {
			FileDialog fd = new FileDialog(shell, SWT.SAVE);
			String path = fd.open();
			try {
				data.saveWad(new FileOutputStream(path));
			} catch (Exception e) {
				this.errorDialog("Save failed", e);
			}
		}
	}
	protected void placeAction(SelectionEvent e) {
		// XXX: This is lame
		Hashtable selectedPlaces = new Hashtable();
		Enumeration i = placeItems.elements();
		while(i.hasMoreElements()) {
			MenuItem mi = (MenuItem)i.nextElement();
			if(mi.getSelection()) {
				Hashtable placeSet = data.getPlaceSet(mi.getText());
				selectedPlaces.put(mi.getText(), placeSet);
			}
		}
		mapView.setPlaceSets(selectedPlaces);
	}
	
	protected void toggleBeacons() {
		mapView.setShowBeacons(!mapView.getShowBeacons());
	}
	protected void toggleAutoScroll() {
		mapView.setAutoScroll(!mapView.getAutoScroll());
		buildMenu();
	}
	protected void toggleAutoZoom() {
		mapView.setAutoZoom(!mapView.getAutoZoom());
		buildMenu();
	}
	protected void toggleParticles() {
		mapView.setShowParticles(!mapView.getShowParticles());
	}
	
	protected void shutdown() {
		// XXX: Should do cleanup here
		System.exit(0);
	}
	
	protected void resize() {
		Rectangle r = display.getClientArea();
		r.height = (int)(0.95 * r.height);

		/*System.out.println("bounds: ("+r.x+","+r.y+"):"+r.width+"x"+
		  r.height);*/

		Point mapSize = mapView.getMapSize();
		Rectangle trim = mapView.computeTrim(0, 0, mapSize.x, mapSize.y);
		trim = shell.computeTrim(0, 0, trim.width, trim.height);

/*
		System.out.println("image: "+mapSize.x+
				   "x"+mapSize.y);
		System.out.println("trim: ("+trim.x+","+trim.y+"):"+trim.width+
				   "x"+trim.height);
*/
		if (trim.width  < r.width ) r.width  = trim.width;
		if (trim.height < r.height) r.height = trim.height;
		shell.setBounds(r);
	}

	public void run() throws SpotterException {
		doEventLoop();
	}
	
	protected void doEventLoop() {
		try {
			if(sp != null) sp.open();
			SWTEventSystem evs = new SWTEventSystem(this.display, this.shell);
			if(sp != null) sp.startScanning(evs);
			evs.run();
		} catch (SpotterException se) {
			// still allow the maps to be viewed if it fails to open
			se.printStackTrace();
			System.err.println("Spotter Open failed, but allowing viewing of maps anway ...");
			SWTEventSystem evs = new SWTEventSystem(this.display, this.shell);
			evs.run();
		}
	}

	public PlacelabWithProxy getDaemon() {
		return daemon;
	}

	/**
	 * Passing in a file will cause a log spotter to be created. If no file name is passed, a wifi spotter will be created
	 */
	public static void main (String [] args) {
		Cmdline.parse(args);
		String inputLog = Cmdline.getArg("log");
		//System.out.println(inputLog);
		String mapArchive = Cmdline.getArg("maps");
		String mapName = Cmdline.getArg("mapname");
		if (Cmdline.getArg("demo") != null) {
		 	inputLog = "seattle.log";
		 	mapArchive = "seattlemaps.zip";
		 	mapName = "University District";			
		}
		if (Cmdline.getArg("demolive") != null) {
		 	inputLog = null;
		 	mapArchive = "seattlemaps.zip";
		 	mapName = "University District";			
		}

		//if(mapArchive == null) {
		//	System.err.println("Usage: java XMapDemo --maps <map archive> --mapname <map name> [--log <logfile>]");
		//	System.exit(1);
		//}

		try {
			MapDemo hello = new MapDemo(inputLog, mapArchive, mapName, null);
			hello.run();
		} catch (Exception e) {
			System.err.println("Error:\n"+	
				e.getClass().getName()+":\n"+e.getMessage());
			e.printStackTrace();
		}
	}
}