placelabstumblergui.java

一个基于PlaceLab的室内和室外的智能导航系统

		if(!BrowserControl.isMacPlatform()) {
			MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
			exitItem.setText("Exit");
			exitItem.setAccelerator(SWT.ALT | SWT.F4);
			exitItem.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					shutdown();
				}
				public void widgetDefaultSelected(SelectionEvent e) {
					shutdown();
				}
			});
		}
		fileItem.setMenu(fileMenu);
		
		MenuItem editItem = new MenuItem(bar, SWT.CASCADE);
		editItem.setText("Edit");
		Menu editMenu = new Menu(bar);
		
		MenuItem gpsPrefItem = new MenuItem(editMenu, SWT.PUSH);
		gpsPrefItem.setText("Reset GPS Preferences ...");
		gpsPrefItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				resetGPS();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				resetGPS();
			}
		});
		editItem.setMenu(editMenu);
		
		buildMapMenus();
		shell.setBounds(shell.getBounds());
	}
	
	protected void buildMapMenus() {
		int commandKey = SWT.CONTROL;
		if(BrowserControl.isMacPlatform()) commandKey = SWT.COMMAND;
		
		TrackedMapView mapView = null;
		WadData wad;
	    // find out what mapView is in the front
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		
		// cut out early and don't have View, map or Place menus if there isn't anything
		// loaded yet
		if(wad == 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(mapView1.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(mapView1.getShowParticles());
		MenuItem autoScrollItem = new MenuItem(viewMenu, SWT.CHECK);
		autoScrollItem.setText("Auto Scroll Map");
		autoScrollItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				toggleAutoScroll();
				tmvBtnScroll.setSelection(!tmvBtnScroll.getSelection());
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				toggleAutoScroll();
				tmvBtnScroll.setSelection(!tmvBtnScroll.getSelection());
			}
		});
		autoScrollItem.setSelection(mapView1.getAutoScroll());
		//
		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(mapView1.getAutoZoom());
		//
		MenuItem zoomInItem = new MenuItem(viewMenu, SWT.PUSH);
		zoomInItem.setText("Zoom In");
		zoomInItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				mapView1.zoomIn();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				mapView1.zoomIn();
			}
		});
		//
		MenuItem zoomOutItem = new MenuItem(viewMenu, SWT.PUSH);
		zoomOutItem.setText("Zoom Out");
		zoomOutItem.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				mapView1.zoomOut();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				mapView1.zoomOut();
			}
		});
		viewItem.setMenu(viewMenu);
	    
		// build map menu
		MenuItem mapItem = new MenuItem(bar, SWT.CASCADE);
		mapItem.setText("Maps");
		Menu mapMenu = new Menu(bar);
		Enumeration e = wad.getMaps().keys();
		String selected = mapView1.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 = wad.getDefaultPlaceSets();
		e = wad.getPlaceSetNames();
		while(e.hasMoreElements()) {
			String name = (String)e.nextElement();
			MenuItem item = new MenuItem(placeMenu, SWT.CHECK);
			if(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.addElement(item);
		}
		mapItem.setMenu(mapMenu);
		placeItem.setMenu(placeMenu);
	}
	
	protected void mapAction(SelectionEvent e) {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		MenuItem item = (MenuItem)e.getSource();
		String mapName = item.getText();
		MapBacking map = wad.getMap(mapName);
		if(mapName != null) {
			//shell.setText(mapName);
			mapView.setMapData(map);
			// despite that this runs for all the mapviews, if a mapview hasn't had its
			// view changed, there shouldn't be anything happening for it down the line
			// so its ok.
			updateAllBeaconIcons();
		}
		tmvGroup.layout();
	}
	protected void placeAction(SelectionEvent e) {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		Hashtable selectedPlaces = new Hashtable();
		Enumeration i = placeItems.elements();
		while(i.hasMoreElements()) {
			MenuItem mi = (MenuItem)i.nextElement();
			if(mi.getSelection()) {
				Hashtable placeSet = wad.getPlaceSet(mi.getText());
				selectedPlaces.put(mi.getText(), placeSet);
			}
		}
		mapView1.setPlaceSets(selectedPlaces);
	}
	
	protected void toggleBeacons() {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		mapView.setShowBeacons(!mapView1.getShowBeacons());
	}
	protected void toggleAutoScroll() {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		mapView1.setAutoScroll(!mapView.getAutoScroll());
		buildMenu();
	}
	protected void toggleAutoZoom() {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
		mapView1.setAutoZoom(!mapView1.getAutoZoom());
		buildMenu();
	}
	protected void toggleParticles() {
	    TrackedMapView mapView;
	    WadData wad;
	    if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    } else {
	        mapView = mapView2;
	        wad = wad2;
	    }
//		mapView1.setShowParticles(!mapView1.getShowParticles());
	}
	
	protected void loadWad() {
	    TrackedMapView mapView;
	    WadData wad;
	    String path = askUserForFile();
	    if(path == null) return;
	    //if(mainTabFolder.getSelectionIndex() == 0) {
	        mapView = mapView1;
	        wad = wad1;
	    //} else {
	    //    mapView = mapView2;
	    //   wad = wad2;
	    //}
	    if(mapView == null) {
	        this.buildMapViews();
		    //if(mainTabFolder.getSelectionIndex() == 0) {
		        mapView = mapView1;
		        wad = wad1;
		    //} else {
		    //    mapView = mapView2;
		    //    wad = wad2;
		    //}
	    }
		loadWad(path, null, mapView);
	}
	
	protected void loadWad(String path, String mapName, TrackedMapView view) {
		WadData temp;
		if(path == null) {
			path = askUserForFile();
			// if path is still null, user doesn't want to
			// load a wad.  so be it.
			if(path == null) {
				buildMenu();	
				return; 
			} 
		}
		try {
			temp = new WadData(path);
		} catch (Exception e) {
			errorDialog("Couldn't load mapwad", e);
			return;
		}
		MapBacking mapBack = null;
		if (mapName != null) {
			mapBack = temp.getMap(mapName);
			if (mapBack == null) {
				// print this stuff on the console since its only going to result
				// from incorrect cmdline args
				Logger.println("Map: " + mapName + " not found. Available maps are:\n", Logger.LOW);
				for (Enumeration en = temp.getMaps().keys(); en.hasMoreElements();) {
					Logger.println("  - " + en.nextElement().toString(), Logger.LOW);
				}
				//System.exit(1);
				Logger.println("Choosing an arbitrary map instead", Logger.LOW);
				mapName = null;
			}
		if(mapName == null)
			mapBack = temp.getDefaultMap();
		}
		Hashtable defaultPlaces = temp.getDefaultPlaceSets();
		if(mapBack == null) {
			// render the first map if there is no default
			try {
				mapBack = (MapBacking)temp.getMaps().elements().nextElement();
			} catch (java.util.NoSuchElementException e) {
				errorDialog("That mapwad doesn't have any maps!");
				return;
			}
		}
		if(mapBack == null) {
			errorDialog("That mapwad doesn't have any maps!");
			return;
		}
		if(defaultPlaces == null) defaultPlaces = new Hashtable();
		//if(view == mapView1) {
		    wad1 = temp;
			mapView1.setVisible(true);
		//}
		//else wad2 = temp;
		
		view.setMapData(mapBack);
		view.setPlaceSets(defaultPlaces);
		//this.createBeaconIcons(view);
		view.setVisible(true);
		if(mapView2 != null && mapView1 != null) {
			if(view == mapView1 && mapView2.getMapData() == null) {
				//errorDialog("entered view==mapView1 && mapView2.getMapData() == null");
			    mapView2.setMapData(mapBack);
			    mapView2.setPlaceSets(defaultPlaces);
			    mapView2.setVisible(true);
			    tmvBigLabel.setVisible(false);
			    wad2 = temp;
			    //this.createBeaconIcons(mapView2);
			} else if(view == mapView2 && mapView1.getMapData() == null) {
			    mapView1.setMapData(mapBack);
			    mapView1.setPlaceSets(defaultPlaces);
				mapView1.setVisible(true);
			    wad1 = temp;
			    //this.createBeaconIcons(mapView1);
			}
		}
		buildMenu();
	}
	
	protected void shutdown() {
	    
	    display.close();
	}
	
	protected class BeaconIcons {
	    public Hashtable icons;
	    public BeaconIcons() {
	        icons = new Hashtable();
	    }
	    public void addBeaconPlace(BeaconPlace place) {
	        icons.put(place.mapView, place);
	    }
	    public void updateAll(boolean active) {
	        for(Enumeration e = icons.elements(); e.hasMoreElements();) {
	            BeaconPlace bp = (BeaconPlace)e.nextElement();
	            bp.updateLocation();
	            bp.setActive(active);
	        }
	    }
	    public BeaconPlace getBeaconPlace(MapView forMapView) {
	        return (BeaconPlace)icons.get(forMapView);
	    }
	}
    
}