com.google.gwt.dom.client.IFrameElement Java Examples

public void downloadFileById(String resourceId) {
    final String url = getResourceUrl(resourceId);
    if (url != null && !url.isEmpty()) {
        final IFrameElement iframe = Document.get().createIFrameElement();

        Style style = iframe.getStyle();
        style.setVisibility(Style.Visibility.HIDDEN);
        style.setHeight(0, Style.Unit.PX);
        style.setWidth(0, Style.Unit.PX);

        iframe.setFrameBorder(0);
        iframe.setTabIndex(-1);
        iframe.setSrc(url);
        RootPanel.getBodyElement().appendChild(iframe);

        Timer removeTimer = new Timer() {
            @Override
            public void run() {
                iframe.removeFromParent();
            }
        };
        removeTimer.schedule(60 * 1000);
    }
}
 

protected void setContentCharset() {
    rta.addInitializeHandler(event -> {
        IFrameElement iFrameElement = IFrameElement.as(rta.getElement());
        HeadElement headElement = iFrameElement.getContentDocument().getHead();

        MetaElement charsetMetaElement = Document.get().createMetaElement();
        charsetMetaElement.setHttpEquiv(HttpHeaders.CONTENT_TYPE);
        charsetMetaElement.setContent(HttpHeaders.CONTENT_TYPE_TEXT_HTML_UTF8);

        headElement.appendChild(charsetMetaElement);
    });
}
 

private static IFrameElement createCajaFrame() {
  IFrameElement cajaFrame = Document.get().createIFrameElement();
  cajaFrame.setFrameBorder(0);
  cajaFrame.setAttribute("width", "0");
  cajaFrame.setAttribute("height", "0");
  Document.get().getBody().appendChild(cajaFrame);
  Document cajaFrameDoc = cajaFrame.getContentDocument();
  cajaFrameDoc.getBody().appendChild(
      cajaFrameDoc.createScriptElement(RESOURCES.supportingJs().getText()));
  cajaFrameDoc.getBody().appendChild(
      cajaFrameDoc.createScriptElement(RESOURCES.taming().getText()));
  return cajaFrame;
}
 

private void buildIFrame(String gadgetName) {
  gadgetIframe.getElement().setId(gadgetName);
  
  int height = 0;
  switch (throbberState) {
    case SMALL:
      gadgetIframe.addStyleName(CSS.loadingGadgetSmallThrobber());
      height = Resources.RESOURCES.loadingGadgetSmall().getHeight();
      break;
    case LARGE:
      gadgetIframe.addStyleName(CSS.loadingGadgetLargeThrobber());
      height = Resources.RESOURCES.loadingGadgetLarge().getHeight();
      break;
  }
  
  IFrameElement iframe = getIframeElement();
  iframe.setAttribute("vspace", "0");
  iframe.setAttribute("hspace", "0");
  iframe.setAttribute("frameBorder", "no");
  iframe.setAttribute("moduleId", gadgetName);
  iframe.setAttribute("display", "block");
  iframe.setAttribute("height", height + "px");
  // TODO(user): scrolling policy/settings for the wave gadgets.
  iframe.setScrolling("no");

  //remove default style
  gadgetIframe.removeStyleName("gwt-Frame");
  gadgetIframe.addStyleName(CSS.gadgetIframe());

  iframeDiv.add(gadgetIframe);
}
 

private static IFrameElement createCajaFrame() {
  IFrameElement cajaFrame = Document.get().createIFrameElement();
  cajaFrame.setFrameBorder(0);
  cajaFrame.setAttribute("width", "0");
  cajaFrame.setAttribute("height", "0");
  Document.get().getBody().appendChild(cajaFrame);
  Document cajaFrameDoc = cajaFrame.getContentDocument();
  cajaFrameDoc.getBody().appendChild(
      cajaFrameDoc.createScriptElement(RESOURCES.supportingJs().getText()));
  cajaFrameDoc.getBody().appendChild(
      cajaFrameDoc.createScriptElement(RESOURCES.taming().getText()));
  return cajaFrame;
}
 

private void buildIFrame(String gadgetName) {
  gadgetIframe.getElement().setId(gadgetName);
  
  int height = 0;
  switch (throbberState) {
    case SMALL:
      gadgetIframe.addStyleName(CSS.loadingGadgetSmallThrobber());
      height = Resources.RESOURCES.loadingGadgetSmall().getHeight();
      break;
    case LARGE:
      gadgetIframe.addStyleName(CSS.loadingGadgetLargeThrobber());
      height = Resources.RESOURCES.loadingGadgetLarge().getHeight();
      break;
  }
  
  IFrameElement iframe = getIframeElement();
  iframe.setAttribute("vspace", "0");
  iframe.setAttribute("hspace", "0");
  iframe.setAttribute("frameBorder", "no");
  iframe.setAttribute("moduleId", gadgetName);
  iframe.setAttribute("display", "block");
  iframe.setAttribute("height", height + "px");
  // TODO(user): scrolling policy/settings for the wave gadgets.
  iframe.setScrolling("no");

  //remove default style
  gadgetIframe.removeStyleName("gwt-Frame");
  gadgetIframe.addStyleName(CSS.gadgetIframe());

  iframeDiv.add(gadgetIframe);
}
 

@Test
@SuppressWarnings("unused")
public void shouldAllowOnlyJavascriptCastsThatAreValidJavaCasts() {
  // Casts to ancestors should be legal
  JavaScriptObject o = Document.get().createDivElement().cast();
  Node n = Document.get().createDivElement().cast();
  DivElement d = Document.get().createDivElement().cast();

  // Casts to sibling elements shouldn't be legal (even though they are in javascript)
  try {
    IFrameElement i = Document.get().createDivElement().cast();
    fail("Exception not thrown");
  } catch (ClassCastException expected) {}
}
 

/** Constructor of the Toolbar **/
public RichTextToolbar(final RichTextArea richtext) {
	//Initialize the main-panel
	outer = new VerticalPanel();

	//Initialize the two inner panels
	topPanel = new HorizontalPanel();
	bottomPanel = new HorizontalPanel();
	topPanel.setStyleName("RichTextToolbar");
	bottomPanel.setStyleName("RichTextToolbar");

	//Save the reference to the RichText area we refer to and get the interfaces to the stylings

	styleText = richtext;
	styleTextFormatter = styleText.getFormatter();

	//Set some graphical options, so this toolbar looks how we like it.
	topPanel.setHorizontalAlignment(HorizontalPanel.ALIGN_LEFT);
	bottomPanel.setHorizontalAlignment(HorizontalPanel.ALIGN_LEFT);

	//Add the two inner panels to the main panel
	outer.add(topPanel);
	outer.add(bottomPanel);

	//Some graphical stuff to the main panel and the initialisation of the new widget
	outer.setStyleName("RichTextToolbar");
	initWidget(outer);

	//
	evHandler = new EventHandler();

	//Add KeyUp and Click-Handler to the RichText, so that we can actualize the toolbar if neccessary
	styleText.addKeyUpHandler(evHandler);
	styleText.addClickHandler(evHandler);

	// Changing styles
	IFrameElement e = IFrameElement.as(richtext.getElement());
	e.setSrc("iframe_richtext.html");
	e.setFrameBorder(0); // removing frame border

	richTextPopup = new RichTextPopup(this);
	richTextPopup.setWidth("300px");
	richTextPopup.setHeight("50px");
	richTextPopup.setStyleName("okm-Popup");

	//Now lets fill the new toolbar with life
	buildTools();
}
 

private static CajolerFacade create() {
  IFrameElement cajaFrame = createCajaFrame();
  CajoleService service = new HttpCajoleService();
  return new CajolerFacade(service, cajaFrame);
}
 

private CajolerFacade(CajoleService service, IFrameElement cajaFrame) {
  this.cajoleService = service;
  this.cajaFrame = cajaFrame;
}
 

private static CajolerFacade create() {
  IFrameElement cajaFrame = createCajaFrame();
  CajoleService service = new HttpCajoleService();
  return new CajolerFacade(service, cajaFrame);
}
 

private CajolerFacade(CajoleService service, IFrameElement cajaFrame) {
  this.cajoleService = service;
  this.cajaFrame = cajaFrame;
}
 

/**
 * Gets the gadget iframe element.
 *
 * @return Gadget iframe element.
 */
public IFrameElement getIframeElement() {
  return IFrameElement.as(gadgetIframe.getElement());
}
 

/**
 * Gets the gadget iframe element.
 *
 * @return Gadget iframe element.
 */
public IFrameElement getIframeElement() {
  return IFrameElement.as(gadgetIframe.getElement());
}