Java DomGlobal类代码示例

import elemental2.dom.DomGlobal; //导入依赖的package包/类
@Override
protected void componentWillMount()
{
  final Props props = props();
  _externalWindow = DomGlobal.window.open( "",
                                           props.windowName,
                                           "width=" + props.width + ",height=" + props.height +
                                           ",left=" + props.left + ",top=" + props.top );
  _externalWindow.addEventListener( "beforeunload", e -> {
    final OnCloseCallback onClose = props.onClose;
    if ( null != onClose )
    {
      onClose.onClose();
    }
  } );
  final HTMLDocument document = getWindowDocument();
  _element = document.createElement( "div" );
  while ( document.body.childNodes.length > 0 )
  {
    //Unchecked cast as it is from a different window.
    document.body.removeChild( Js.uncheckedCast( document.body.childNodes.item( 0 ) ) );
  }
  document.body.appendChild( _element );
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
private void setHash( @Nonnull final String hash )
{
  if ( 0 == hash.length() )
  {
    /*
     * This code is needed to remove the stray #.
     * See https://stackoverflow.com/questions/1397329/how-to-remove-the-hash-from-window-location-url-with-javascript-without-page-r/5298684#5298684
     */
    final String url = DomGlobal.window.location.getPathname() + DomGlobal.window.location.getSearch();
    DomGlobal.window.history.pushState( "", DomGlobal.document.title, url );
  }
  else
  {
    DomGlobal.window.location.setHash( hash );
  }
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
/**
 * Log specified message with parameters
 *
 * @param delta   the nesting delta.
 * @param message the message.
 * @param styling the styling parameter. It is assumed that the message has a %c somewhere in it to identify the start of the styling.
 */
protected void log( @Nonnull final SpyUtil.NestingDelta delta,
                    @Nonnull final String message,
                    @CssRules @Nonnull final String styling )
{
  if ( SpyUtil.NestingDelta.INCREASE == delta )
  {
    DomGlobal.console.groupCollapsed( message, styling );
  }
  else if ( SpyUtil.NestingDelta.DECREASE == delta )
  {
    DomGlobal.console.log( message, styling );
    DomGlobal.console.groupEnd();
  }
  else
  {
    DomGlobal.console.log( message, styling );
  }
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
@Override
public void onModuleLoad()
{
  final BrowserLocation browserLocation = BrowserLocation.create();

  Arez.context().autorun( true, () -> cleanLocation( browserLocation ) );
  Arez.context().autorun( () -> printBrowserLocation( browserLocation ) );

  DomGlobal.document.querySelector( "#route_base" ).
    addEventListener( "click", e -> browserLocation.changeLocation( "" ) );
  DomGlobal.document.querySelector( "#route_slash" ).
    addEventListener( "click", e -> browserLocation.changeLocation( "/" ) );
  DomGlobal.document.querySelector( "#route_event" ).
    addEventListener( "click", e -> browserLocation.changeLocation( "/event" ) );
  DomGlobal.document.querySelector( "#route_other" ).
    addEventListener( "click", e -> browserLocation.changeLocation( "/other" ) );
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
private void outputStatus( @Nonnull final ObservablePromise<Response, Object> observablePromise )
{
  final ObservablePromise.State state = observablePromise.getState();
  final Response response = ObservablePromise.State.FULFILLED == state ? observablePromise.getValue() : null;
  final elemental2.core.JsError error =
    ObservablePromise.State.REJECTED == state ? Js.cast( observablePromise.getError() ) : null;
  final String message =
    "Promise State: " + state +
    ( null != response ? " - Response: " + response.status + ": " + response.statusText : "" ) +
    ( null != error ? " - Error: " + error.message : "" );
  DomGlobal.console.log( message );
  DomGlobal.document.querySelector( "#app" ).textContent = message;
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
@Override
public void onModuleLoad()
{
  final IntervalTicker ticker = IntervalTicker.create( 1000 );
  final Observer observer = Arez.context().autorun( () -> {
    if ( !Disposable.isDisposed( ticker ) )
    {
      DomGlobal.console.log( "Tick: " + ticker.getTickTime() );
    }
    else
    {
      DomGlobal.console.log( "Ticker disposed!" );
    }
  } );
  TimedDisposer.create( Disposable.asDisposable( ticker ), 5500 );
  TimedDisposer.create( Disposable.asDisposable( observer ), 7000 );
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
private static void addExample(String exampleId, VueFactory exampleVueFactory)
{
    // If we find the containing div for this example, we instantiate it
    if (DomGlobal.document.getElementById(exampleId) != null)
    {
        VueComponent exampleInstance = Vue.attach("#" + exampleId, exampleVueFactory);
        ((JsPropertyMap) DomGlobal.window).set(exampleId, exampleInstance);
    }
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
@Override
public void doUpdate(Person person) {
  try {
    PersonService.get()
                 .update(person);
    if (ClientContext.get()
                     .getPersonSearch() == null) {
      eventBus.gotoSearch("",
                          "");
    } else {
      eventBus.gotoList(ClientContext.get()
                                     .getPersonSearch()
                                     .getName(),
                        ClientContext.get()
                                     .getPersonSearch()
                                     .getCity());
    }
  } catch (PersonException e) {
    DomGlobal.window.alert("Panic!");
  }
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
public static void whenReady(boolean debug, OnloadFn function){
	HTMLScriptElement leafletScript = (HTMLScriptElement) DomGlobal.document.createElement("script");
	if (debug) {
		leafletScript.src = GWT.getModuleName() + "/leaflet/leaflet-src.js";
	} else {
		leafletScript.src = GWT.getModuleName() + "/leaflet/leaflet.js";
	}
	leafletScript.type="text/javascript";
	
	HTMLLinkElement leafletStyle = (HTMLLinkElement) DomGlobal.document.createElement("link");
	leafletStyle.href=GWT.getModuleName()+"/leaflet/leaflet.css";
	leafletStyle.rel="stylesheet";
	
	
	DomGlobal.document.head.appendChild(leafletScript);
	DomGlobal.document.head.appendChild(leafletStyle);
	
	leafletScript.onload = function;
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
public void testMapZoom(){
	InjectedLeafletResources.whenReady((e) -> {
			 HTMLElement div = (HTMLElement) DomGlobal.document.createElement("div");
			    div.id = "test3";
			    DomGlobal.document.body.appendChild(div);
			      MapOptions options = new MapOptions.Builder(L.latLng(52.51, 13.40), 12.0, 7.0).dragging(true).maxZoom(20.0).build();
				Map map = L.map("test3", options);
				
				assertNotNull(map);
				assertEquals(String.valueOf(map.getZoom()), "12");
			    assertEquals(String.valueOf(map.getMinZoom()), "7");
    				assertEquals(String.valueOf(map.getMaxZoom()), "20");
    				
    				//Zoom In method has weird behavior *** Fails
    				map.zoomOut(5.0, null);
    				assertEquals("7", map.getZoom().toString());
				
				return null;
	});
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
public void testMapPan(){
	InjectedLeafletResources.whenReady((e) -> {
			 HTMLElement div = (HTMLElement) DomGlobal.document.createElement("div");
			    div.id = "test4";
			    DomGlobal.document.body.appendChild(div);
			      MapOptions options = new MapOptions.Builder(L.latLng(52.51, 13.40), 12.0, 7.0).maxZoom(20.0).build();
				Map map = L.map("test4", options);

				assertNotNull(map);
				map.panTo(L.latLng(51.51, 13.80), null);
				assertEquals(map.getCenter().lat, 51.51);
				assertEquals(map.getCenter().lng, 13.80);
				
				return null;
	});
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
public void testMarkeradd(){
	InjectedLeafletResources.whenReady((e) -> {
			 HTMLElement div = (HTMLElement) DomGlobal.document.createElement("div");
			    div.id = "test6";
			    DomGlobal.document.body.appendChild(div);
			   
				Map map = L.map("test6", null);
				MarkerOptions mkOptions = new MarkerOptions.Builder().build();
                   Marker marker = L.marker(L.latLng(52.51, 13.40), mkOptions);
                   marker.addTo(map);
                   
				assertNotNull(map);
				assertNotNull(marker);
				
				assertEquals(marker.getLatLng().lat, 52.51);
				assertEquals(marker.getLatLng().lng, 13.40);
				
				return null;
	});
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
public PlaceService(E eventBus) {
  super();

  this.eventMetaDataMap = new HashMap<>();
  this.historyNameMap = new HashMap<>();

  this.eventBus = eventBus;

  DomGlobal.window.addEventListener("popstate",
                                    (e) -> {
                                      confirmEvent(new NavigationEventCommand(eventBus) {
                                        protected void execute() {
                                          enabled = false;
                                          convertToken(getTokenFromUrl(DomGlobal.window.location.toString()));
                                          enabled = true;
                                        }
                                      });
                                    });
}
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
/**
   * Convert an event and its associated parameters to a token.<br>
   *
   * @param eventName name of the event to store
   * @param param     string representation of the objects associated with the event that needs to be
   *                  stored in the token
   * @param onlyToken if true, only the token will be generated and browser history won't change
   * @return the generated token
   */
  public String place(String eventName,
                      String param,
                      boolean onlyToken) {
    EventMetaData<? extends IsEventBus> metaData = this.eventMetaDataMap.get(eventName);
    if (!enabled && !onlyToken) {
      return null;
    }
    String token = tokenize(metaData.getHistoryName(),
                            param);
//    if (converters.get(eventName)
//                  .isCrawlable()) {
//      token = CRAWLABLE + token;
//    }
    if (!onlyToken) {
      DomGlobal.window.history.pushState(param,
                                         "",
                                         PlaceService.URL_SEPARATOR + token);
    }
    return token;
  }
 

import elemental2.dom.DomGlobal; //导入依赖的package包/类
@Override
protected E findSelf(E parent) {
  if (el != null) {
    return el;
  }
  // First, look on the document.  This is the fastest, IF we are attached
  String id = getId();
  if (id == null) {
    return super.findSelf(parent);
  }
  el = (E) DomGlobal.document.getElementById(id);
  if (el == null && parent != null) {
    // If we aren't attached, fallback to the slower querySelector
    el = (E) parent.querySelector("#"+id);
  }
  if (el != null) {
    return el;
  }
  return super.findSelf(parent);
}