Java Element類代碼示例

import com.google.gwt.user.client.Element; //導入依賴的package包/類
protected AccessibleCheckBox(Element elem) {
    super(DOM.createSpan());
    inputElem = InputElement.as(elem);
    labelElem = Document.get().createLabelElement();

    getElement().appendChild(inputElem);
    getElement().appendChild(labelElem);

    String uid = DOM.createUniqueId();
    inputElem.setPropertyString("id", uid);
    labelElem.setHtmlFor(uid);

    // Accessibility: setting tab index to be 0 by default, ensuring element
    // appears in tab sequence. FocusWidget's setElement method already
    // calls setTabIndex, which is overridden below. However, at the time
    // that this call is made, inputElem has not been created. So, we have
    // to call setTabIndex again, once inputElem has been created.
    setTabIndex(0);
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
/**
 * Replace the current input element with a new one. Preserves all state except for the name property, for nasty reasons related to radio button grouping.
 * (See implementation of {@link RadioButton#setName}.)
 *
 * @param elem the new input element
 */
protected void replaceInputElement(Element elem) {
    InputElement newInputElem = InputElement.as(elem);
    // Collect information we need to set
    int tabIndex = getTabIndex();
    boolean checked = getValue();
    boolean enabled = isEnabled();
    String formValue = getFormValue();
    String uid = inputElem.getId();
    String accessKey = inputElem.getAccessKey();
    int sunkEvents = Event.getEventsSunk(inputElem);

    // Clear out the old input element
    setEventListener(asOld(inputElem), null);

    getElement().replaceChild(newInputElem, inputElem);

    // Sink events on the new element
    Event.sinkEvents(elem, Event.getEventsSunk(inputElem));
    Event.sinkEvents(inputElem, 0);
    inputElem = newInputElem;

    // Setup the new element
    Event.sinkEvents(inputElem, sunkEvents);
    inputElem.setId(uid);
    if (!"".equals(accessKey)) {
        inputElem.setAccessKey(accessKey);
    }
    setTabIndex(tabIndex);
    setValue(checked);
    setEnabled(enabled);
    setFormValue(formValue);

    // Set the event listener
    if (isAttached()) {
        setEventListener(asOld(inputElem), this);
    }
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Test
public void onAreaClickWrongCoordinates() throws Exception {
    ColorfillAreaClickListener colorfillAreaClickListener = mock(ColorfillAreaClickListener.class);
    instance.setAreaClickListener(colorfillAreaClickListener);
    when(canvasImageDataProvider.getCanvasImageData(canvasStubView)).thenReturn(imageData);

    doReturn(-10).when(positionHelper)
                 .getXPositionRelativeToTarget(any(NativeEvent.class), Matchers.any(Element.class));
    doReturn(-15).when(positionHelper)
                 .getYPositionRelativeToTarget(any(NativeEvent.class), Matchers.any(Element.class));

    ArgumentCaptor<LoadHandler> loadHandlerCaptor = ArgumentCaptor.forClass(LoadHandler.class);
    verify(canvasStubView).setImageLoadHandler(loadHandlerCaptor.capture());
    loadHandlerCaptor.getValue()
                     .onLoad(null);

    ArgumentCaptor<Command> commandCaptor = ArgumentCaptor.forClass(Command.class);
    verify(userInteractionHandlerFactory).applyUserClickHandler(commandCaptor.capture(), eq(canvas));

    NativeEvent nativeEvent = mock(NativeEvent.class);
    commandCaptor.getValue()
                 .execute(nativeEvent);

    verify(colorfillAreaClickListener, times(0)).onAreaClick(any(Area.class));
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Test
public void shouldTestInitNoConfiguration() {
    // given
    Element element = mock(Element.class);
    MediaWrapper<MediaBase> mediaDescriptor = mock(MediaWrapper.class);
    when(mediaDescriptor.getMediaObject()).thenReturn(mediaBase);
    when(mediaBase.getElement()).thenReturn(element);

    instance.setMediaWrapper(mediaDescriptor);
    mediaConfiguration = new BaseMediaConfiguration(new HashMap<String, String>(), false);
    instance.setBaseMediaConfiguration(mediaConfiguration);

    // when
    instance.init();

    // then
    verify(mediaBase).setPreload(Matchers.eq(getAssumedMediaPreloadType()));
    verify(mediaBase).setControls(Matchers.eq(true));
    for (Map.Entry<HTML5MediaEventsType, MediaEventTypes> typePair : createEventsPairMap().entrySet()) {
        verify(html5MediaNativeListeners).addListener(element, typePair.getKey().toString());
    }
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Test
public void shouldInitiateValues_whenMediaBaseIsSet() {
    // given
    Element element = mock(Element.class);
    MediaWrapper<MediaBase> mediaDescriptor = mock(MediaWrapper.class);
    when(mediaDescriptor.getMediaObject()).thenReturn(mediaBase);
    when(mediaBase.getElement()).thenReturn(element);

    instance.setMediaWrapper(mediaDescriptor);
    instance.setBaseMediaConfiguration(mediaConfiguration);

    // when
    instance.init();

    // then
    verify(mediaBase).setPreload(Matchers.eq(getAssumedMediaPreloadType()));
    verify(mediaBase).setControls(Matchers.eq(false));
    for (Map.Entry<HTML5MediaEventsType, MediaEventTypes> typePair : createEventsPairMap().entrySet()) {
        verify(html5MediaNativeListeners).addListener(element, typePair.getKey().toString());
    }
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
protected int getContainerOffsetLeft() {
	if (containerOffsetLeft < 0 || !sync) {
		int scrollLeft = 0;
		Element parent = DOM.getParent(getWidget().getElement());
		while (parent != null) {
			if (getScrollLeft(parent) > 0) {
				scrollLeft += getScrollLeft(parent);
				GWT.log("Scroll left detected : " + scrollLeft);
			}
			if (containerFinder.isContainer(parent)) {
				containerOffsetLeft = DOM.getAbsoluteLeft(parent) - scrollLeft;
			}
			parent = DOM.getParent(parent);
		}
	}
	return containerOffsetLeft;
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
protected int getContainerOffsetTop() {
	if (containerOffsetTop < 0 || !sync) {
		int scrollTop = 0;
		Element parent = DOM.getParent(getWidget().getElement());
		while (parent != null) {
			if (getScrollTop(parent) > 0) {
				scrollTop += getScrollTop(parent);
				GWT.log("Scroll Top detected : " + scrollTop);
			}
			if (containerFinder.isContainer(parent)) {
				containerOffsetTop = DOM.getAbsoluteTop(parent) - scrollTop;
			}
			parent = DOM.getParent(parent);
		}
	}
	return containerOffsetTop;
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
public Thumb() {
	visibleThumb = new SimplePanel();
	Element visibleElem = visibleThumb.getElement();
	Element touchElem = getElement();
	
	visibleThumb.setStylePrimaryName(THUMB_CLASS_NAME);
	
	BrowserUtils.setStyleAttributeAllBrowsers(visibleElem, "boxSizing", "border-box");
	BrowserUtils.setStyleAttributeAllBrowsers(touchElem, "boxSizing", "border-box");

	this.setWidget(visibleThumb);
	
	if (!isPassive)
	{
		visibleThumb.addStyleName(INTERACTIVE_CLASS_NAME);
	}
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Override
public void onBrowserEvent(Event event) {
	super.onBrowserEvent(event);
	Element td = getEventTargetCell(event);
	if (td == null)
		return;
	Element tr = DOM.getParent(td);

	switch (DOM.eventGetType(event)) {
		case Event.ONMOUSEOVER:
			tr.addClassName(ROW_STYLE_NAME + "-mouseover");
			break;

		case Event.ONMOUSEOUT: {
			tr.removeClassName(ROW_STYLE_NAME + "-mouseover");
			break;
		}
	}
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
/**
 * Method originally copied from HTMLTable superclass where it was defined private
 * Now implemented differently to only return target cell if it'spart of 'this' table
 */
private Element getMouseEventTargetCell(Event event) {
	Element td = DOM.eventGetTarget(event);
	//locate enclosing td element
	while (!DOM.getElementProperty(td, "tagName").equalsIgnoreCase("td")) {
		// If we run out of elements, or run into the table itself, then give up.
		if ((td == null) || td == getElement())
			return null;
		td = DOM.getParent(td);
	}
	//test if the td is actually from this table
	Element tr = DOM.getParent(td);
	Element body = DOM.getParent(tr);
	if (body == this.getBodyElement()) {
		return td;
	}
	//Didn't find appropriate cell
	return null;
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
/**
 * Download files exported as zip
 *
 * @author danilo
 */
@Deprecated
public static void downloadFiles(List<String> path, String params) {
	if (!params.equals("")) {
		params = "&" + params;
	}

	final Element downloadIframe = RootPanel.get("__download").getElement();
	String url = RPCService.DownloadServlet + "?export" + params;

	for (String p : path) {
		url += "&pathList=" + URL.encodeQueryString(p);
	}

	DOM.setElementAttribute(downloadIframe, "src", url);
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
public void onBrowserEvent(Event event) {
	int selectedRow = 0;

	if (DOM.eventGetType(event) == Event.ONDBLCLICK) {
		Element td = getMouseEventTargetCell(event);
		if (td == null) return;
		Element tr = DOM.getParent(td);
		Element body = DOM.getParent(tr);
		selectedRow = DOM.getChildIndex(body, tr);
		if (selectedRow >= 0) {
			markSelectedRow(selectedRow);
			Main.get().onlineUsersPopup.enableAcceptButton();
			DOM.eventCancelBubble(event, true);
			Main.get().onlineUsersPopup.executeAction();
		}
	}

	super.onBrowserEvent(event);
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    if (DOM.eventGetType(event) == Event.ONSCROLL) {
        Element element = getElement();

        int scrollTop = element.getScrollTop();
        int scrollLeft = element.getScrollLeft();

        if (this.scrollTop != scrollTop || this.scrollLeft != scrollLeft) {
            if (onScrollHandler != null) {
                onScrollHandler.accept(scrollTop, scrollLeft);
            }

            this.scrollTop = scrollTop;
            this.scrollLeft = scrollLeft;
        }
    }
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Override
public void onMouseOver(MouseOverEvent<Appointment> event) {
    final Element element = (Element)event.getElement();
    final Appointment appt = event.getTarget();
    final StringBuilder t = new StringBuilder("<p><b>").append(appt.getTitle()).append("</b></p>");
    if (appt.getDescription() != null) {
        t.append(appt.getDescription());
    }
    t.append("<p><i>").append(Constants.INSTANCE.dblClickToExplore()).append("</i></p>");
    appointmentPopup.setWidget(new HTML(t.toString()));

    int left = element.getAbsoluteLeft() + 10;
    int top = element.getAbsoluteTop() + 10;
    appointmentPopup.setPopupPosition(left, top);
    appointmentPopup.show();
}
 

import com.google.gwt.user.client.Element; //導入依賴的package包/類
@Override
public Element create(String objectElementId, String swfUrl, String readyFn) {

  Element obj = DOM.createElement("object");
  DOM.setStyleAttribute(obj, "position", "absolute");
  DOM.setStyleAttribute(obj, "top", "0px");
  DOM.setStyleAttribute(obj, "left", "0px");
  DOM.setStyleAttribute(obj, "zIndex", "0");
  DOM.setElementAttribute(obj, "id", objectElementId);
  DOM.setElementAttribute(obj, "width", "100%");
  DOM.setElementAttribute(obj, "height","100%");
  DOM.setElementAttribute(obj, "type", "application/x-shockwave-flash");
  DOM.setElementAttribute(obj, "data", swfUrl);

  add(obj, "FlashVars", "readyFn=" + readyFn);
  add(obj, "quality", "autolow");
  add(obj, "bgcolor", "#FFFFFF");
  add(obj, "wmode", "opaque");
  add(obj, "MENU", "false");
  add(obj, "base", getModuleBaseURL());
  add(obj, "allowScriptAccess", "always");
  add(obj, "allowNetworking", "all");

  return obj;
}