How to use

getTagName

method

in

com.google.gwt.user.client.Element

protected boolean isInput(Element target) {
 String tag = target.getTagName();
 return "input".equalsIgnoreCase(tag) || "textarea".equalsIgnoreCase(tag);
}

protected boolean isInput(Element target) {
 String tag = target.getTagName();
 return "INPUT".equals(tag) || "TEXTAREA".equals(tag);
}

protected boolean isMenuTriggerOver(ComponentEvent ce) {
 return menu != null && ce.getTarget().getTagName().equalsIgnoreCase("EM");
}

protected boolean isMenuTriggerOut(ComponentEvent ce) {
 return menu != null && !ce.getTarget().getTagName().equalsIgnoreCase("EM");
}

 private final void removeChildren(Element parent) {
  Element child = null;
  while ((child = parent.getFirstChildElement().cast()) != null) {
   parent.removeChild(child);
  }
  String tag = parent.getTagName().toLowerCase();
  if (!tag.equals("table") && !tag.equals("tbody") && !tag.equals("tr") && !tag.equals("td")) {
   parent.setInnerHTML("");
  }
 }
}

/**
 * Returns true if the passed element has a border box.
 * 
 * @param element the element to test
 * @return true if the passed element has a border box
 */
public static boolean isBorderBox(Element element) {
 assert element != null : "Element may not be null";
 String tag = element.getTagName().toLowerCase();
 Boolean r = borderBoxMap.get(tag);
 if (r == null) {
  Element testElement = (Element) Document.get().createElement(tag);
  testElement.getStyle().setPropertyPx("padding", 1);
  testElement.getStyle().setPropertyPx("width", 100);
  testElement.getStyle().setProperty("visibility", "hidden");
  testElement.getStyle().setProperty("position", "absolute");
  XDOM.getBody().appendChild(testElement);
  r = testElement.getOffsetWidth() == 100;
  XDOM.getBody().removeChild(testElement);
  borderBoxMap.put(tag, r);
 }
 return r;
}

/**
 * adds a javascript DOM element to the upload form at the specified position
 */
public void addElement(Element e, int index) {
 Widget w = null; 
 if (e.getTagName().toLowerCase().equals("input") && e.getAttribute("type").toLowerCase().equals("hidden")) {
  if (! Document.get().getBody().isOrHasChild(e)) {
   Document.get().getBody().appendChild(e);
  }
  w = Hidden.wrap(e);
 } else {
  w = new HTML();
  DOM.appendChild(w.getElement(), e);
 }
 uploader.add(w, index);
}

protected void onMouseDown(GridEvent<M> e) {
 if (isDisableTextSelection() && GXT.isWebKit) {
  String tagName = e.getEvent().getEventTarget().<Element> cast().getTagName();
  if (!"input".equalsIgnoreCase(tagName) && !"textarea".equalsIgnoreCase(tagName)) {
   e.preventDefault();
  }
 }
 if (e.getRowIndex() != -1) {
  fireEvent(Events.RowMouseDown, e);
  if (e.getColIndex() != -1) {
   fireEvent(Events.CellMouseDown, e);
  }
 }
}

/**
 * Searches for the td element strting from the clicked element to upper levels of the DOM tree.
 *
 * @param clickElement is an element that is clicked.
 * @return a found element or <code>null</code> if the clicked element is not the td tag and not nested
 *         into any td.
 */
protected Element getCellElement(Element clickElement) {
  while (clickElement != null && !"td".equalsIgnoreCase(clickElement.getTagName()))
    clickElement = DOM.getParent(clickElement);
  if (clickElement == null)
    return null;
  Element tr = DOM.getParent(clickElement);
  Element tbody = DOM.getParent(tr);
  Element table = DOM.getParent(tbody);
  if (getElement().equals(table))
    return clickElement;
  else
    return getCellElement(table);
}

public void testStructure() {
  MaterialSignaturePad signaturePad = getWidget();
  assertEquals("CANVAS", signaturePad.getElement().getTagName());
}

    + field.getClass().getName() + " [" + field.getElement() + "]");
if (!element.getTagName().equals(field.getElement().getTagName())) {
 logger.warning("Replacing Element type [" + element.getTagName() + "] in " + templateFile + "  with type ["
     + field.getElement().getTagName() + "] for " + fieldName + " in " + componentType);

if (node instanceof Element) {
 Element child = (Element) node;
 String tag = child.getTagName();
 if (tag != null && child.getTagName().equalsIgnoreCase("link")) {
  String href = child.getAttribute("href");
  if (href.length() != 0 && href.indexOf("gxt-all.css") != -1) {

protected void onClick(ComponentEvent ce) {
 if (isClickToChange() && ce.getTarget() != thumb.el().dom) {
  if (vertical) {
   setValue(reverseValue(ce.getClientY() - innerEl.getTop(false)));
  } else {
   setValue(reverseValue(ce.getClientX() - innerEl.getLeft(false)));
  }
 }
 if (!ce.getTarget().getTagName().equals("INPUT")) {
  focus();
 }
}

@Override
public void add(final Widget child) {
  String tagName = child.getElement().getTagName();
  if (child instanceof ListItem || tagName.toLowerCase().startsWith("li")) {
    child.getElement().getStyle().setDisplay(Style.Display.BLOCK);
    add(child, (Element) getElement());
  } else {
    ListItem li = new ListItem(child);
    // Checks if there are sub dropdown components
    if (child instanceof MaterialLink) {
      MaterialLink link = (MaterialLink) child;
      handlers.add(link.addClickHandler(event -> SelectionEvent.fire(MaterialDropDown.this, child)));
      for (int i = 0; i < link.getWidgetCount(); i++) {
        if (link.getWidget(i) instanceof MaterialDropDown) {
          registerHandler(link.addClickHandler(DomEvent::stopPropagation));
          link.stopTouchStartEvent();
        }
      }
    }
    if (child instanceof HasWaves) {
      li.setWaves(((HasWaves) child).getWaves());
      ((HasWaves) child).setWaves(null);
    }
    li.getElement().getStyle().setDisplay(Style.Display.BLOCK);
    add(li, (Element) getElement());
  }
}

public void testStructure() {
  MaterialLiveStamp liveStamp = getWidget();
  assertTrue(liveStamp instanceof AbstractValueWidget);
  assertEquals("SPAN", liveStamp.getElement().getTagName());
}

@Override
public void add(final Widget child) {
  String tagName = child.getElement().getTagName();
  if (child instanceof ListItem || tagName.toLowerCase().startsWith("li")) {
    child.getElement().getStyle().setDisplay(Style.Display.BLOCK);
    add(child, (Element) getElement());
  } else {
    ListItem li = new ListItem(child);
    // Checks if there are sub dropdown components
    if (child instanceof MaterialLink) {
      MaterialLink link = (MaterialLink) child;
      handlers.add(link.addClickHandler(event -> SelectionEvent.fire(MaterialDropDown.this, child)));
      for (int i = 0; i < link.getWidgetCount(); i++) {
        if (link.getWidget(i) instanceof MaterialDropDown) {
          registerHandler(link.addClickHandler(DomEvent::stopPropagation));
          link.stopTouchStartEvent();
        }
      }
    }
    if (child instanceof HasWaves) {
      li.setWaves(((HasWaves) child).getWaves());
      ((HasWaves) child).setWaves(null);
    }
    li.getElement().getStyle().setDisplay(Style.Display.BLOCK);
    add(li, (Element) getElement());
  }
}

public void onPreviewNativeEvent(NativePreviewEvent event) {
 if (Element.is(event.getNativeEvent().getEventTarget())) {
  Element target = (Element) Element.as(event.getNativeEvent().getEventTarget());
  String tag = target.getTagName();
  // ignore html and body because of frames
  if (!resizing && !dragging && !tag.equalsIgnoreCase("html") && !tag.equalsIgnoreCase("body")
    && event.getTypeInt() != Event.ONLOAD && manager.getActive() == Window.this
    && (modalPanel == null || (modalPanel != null && !modalPanel.getElement().isOrHasChild(target)))
    && !Window.this.getElement().isOrHasChild(target) && fly(target).findParent(".x-ignore", -1) == null) {
   ArrayList<Component> col = new ArrayList<Component>(ComponentManager.get().getAll());
   for (Component c : col) {
    if (c instanceof TriggerField<?>) {
     triggerBlur((TriggerField<?>) c);
    } else if (c instanceof Menu) {
     ((Menu) c).hide(true);
    }
   }
   Window.this.focus();
  }
 }
}

if ((!"input".equalsIgnoreCase(ce.getTarget().getTagName()) && !"textarea".equalsIgnoreCase(ce.getTarget().getTagName()))
  || ce.getTarget().getPropertyBoolean("disabled")) {
 ce.preventDefault();

@Override
protected void onRender(Element target, int index) {
 El wrap = new El(DOM.createDiv());
 wrap.addStyleName("x-form-field-wrap");
 wrap.addStyleName("x-form-file-wrap");
 input = new El(DOM.createInputText());
 input.addStyleName(fieldStyle);
 input.addStyleName("x-form-file-text");
 input.setId(XDOM.getUniqueId());
 if (GXT.isAriaEnabled()) {
  input.setTitle("File upload field");
 }
 if (GXT.isIE && target.getTagName().equals("TD")) {
  input.setStyleAttribute("position", "static");
 }
 wrap.appendChild(input.dom);
 setElement(wrap.dom, target, index);
 button = new Button(getMessages().getBrowseText());
 button.getFocusSupport().setIgnore(true);
 button.addStyleName("x-form-file-btn");
 button.setIcon(buttonIcon);
 button.render(wrap.dom);
 createFileInput();
 super.onRender(target, index);
 super.setReadOnly(true);
}

 eventTarget = (Element) event.getEventTarget().cast();
if ("input".equalsIgnoreCase(getElement().getTagName()) || eventTarget.getPropertyString("__eventBits") == null) {
 focus();