Java Code Examples for com.google.gwt.dom.client.Element#removeFromParent()

/**
 * Styles a multi-row selection with the number of elements.
 *
 * @param drag
 *            the current drag event holding the context.
 */
void setMultiRowDragDecoration(final VDragEvent drag) {
    final Widget widget = drag.getTransferable().getDragSource().getWidget();

    if (widget instanceof VScrollTable) {
        final VScrollTable table = (VScrollTable) widget;
        final int rowCount = table.selectedRowKeys.size();

        Element dragCountElement = Document.get().getElementById(SP_DRAG_COUNT);
        if (rowCount > 1 && table.selectedRowKeys.contains(table.focusedRow.getKey())) {
            if (dragCountElement == null) {
                dragCountElement = Document.get().createStyleElement();
                dragCountElement.setId(SP_DRAG_COUNT);
                final HeadElement head = HeadElement
                        .as(Document.get().getElementsByTagName(HeadElement.TAG).getItem(0));
                head.appendChild(dragCountElement);
            }
            final SafeHtml formattedCssStyle = getDraggableTemplate()
                    .multiSelectionStyle(determineActiveTheme(drag), String.valueOf(rowCount));
            final StyleElement dragCountStyleElement = StyleElement.as(dragCountElement);
            dragCountStyleElement.setInnerSafeHtml(formattedCssStyle);
        } else if (dragCountElement != null) {
            dragCountElement.removeFromParent();
        }
    }
}
 

/**
 * Search for node by pasting that element at a textRange and locating that
 * element directly using getElementById. This is a huge shortcut when there
 * are many nodes in parent. However, use with caution as it can fragment text
 * nodes.
 *
 * NOTE(user): The text node fragmentation is a real issue, it causes repairs
 * to happen. The constant splitting and repairing can also have performance
 * issues that needs to be investigated. We should repair the damage here,
 * when its clear how to fix the problem.
 *
 * @param target
 * @param parent
 * @return Point
 */
@SuppressWarnings("unused") // NOTE(user): Use later for nodes with many siblings.
private Point<Node> searchForRangeUsingPaste(JsTextRangeIE target, Element parent) {
  Element elem = null;
  try {
    target.pasteHTML("<b id='__paste_target__'>X</b>");
    elem = Document.get().getElementById("__paste_target__");
    Node nextSibling = elem.getNextSibling();
    if (DomHelper.isTextNode(nextSibling)) {
      return Point.inText(nextSibling, 0);
    } else {
      return Point.inElement(parent, nextSibling);
    }
  } finally {
    if (elem != null) {
      elem.removeFromParent();
    }
  }
}
 

/**
 * Helper to remove a list of transparent nodes from the document
 * @param elements
 */
public static void clear(List<Element> elements) {
  for (Element e : elements) {
    if (e.getParentElement() != null) {
      if (NodeManager.getTransparency(e) == Skip.DEEP) {
        e.removeFromParent();
      } else {
        DomHelper.unwrap(e);
      }
    }
    // Break circular references in browsers with poor gc
    NodeManager.setTransparentBackref(e, null);
  }

  elements.clear();
}
 

/**
 * Helper to remove a list of transparent nodes from the document
 * @param elements
 */
public static void clear(List<Element> elements) {
  for (Element e : elements) {
    if (e.getParentElement() != null) {
      if (NodeManager.getTransparency(e) == Skip.DEEP) {
        e.removeFromParent();
      } else {
        DomHelper.unwrap(e);
      }
    }
    // Break circular references in browsers with poor gc
    NodeManager.setTransparentBackref(e, null);
  }

  elements.clear();
}
 

/**
 * Search for node by pasting that element at a textRange and locating that
 * element directly using getElementById. This is a huge shortcut when there
 * are many nodes in parent. However, use with caution as it can fragment text
 * nodes.
 *
 * NOTE(user): The text node fragmentation is a real issue, it causes repairs
 * to happen. The constant splitting and repairing can also have performance
 * issues that needs to be investigated. We should repair the damage here,
 * when its clear how to fix the problem.
 *
 * @param target
 * @param parent
 * @return Point
 */
@SuppressWarnings("unused") // NOTE(user): Use later for nodes with many siblings.
private Point<Node> searchForRangeUsingPaste(JsTextRangeIE target, Element parent) {
  Element elem = null;
  try {
    target.pasteHTML("<b id='__paste_target__'>X</b>");
    elem = Document.get().getElementById("__paste_target__");
    Node nextSibling = elem.getNextSibling();
    if (DomHelper.isTextNode(nextSibling)) {
      return Point.inText(nextSibling, 0);
    } else {
      return Point.inElement(parent, nextSibling);
    }
  } finally {
    if (elem != null) {
      elem.removeFromParent();
    }
  }
}
 

/**
 * {@inheritDoc}
 */
@Override
public void onChildAdded(Node child, Element paragraph) {
  Element spacer = getSpacer(paragraph);
  if (spacer.hasParentElement()) {
    spacer.removeFromParent();
  }
}
 

/** Turns a UiBuilder rendering into a DOM element. */
private Element parseHtml(UiBuilder ui) {
  if (ui == null) {
    return null;
  }
  SafeHtmlBuilder html = new SafeHtmlBuilder();
  ui.outputHtml(html);
  Element div = com.google.gwt.dom.client.Document.get().createDivElement();
  div.setInnerHTML(html.toSafeHtml().asString());
  Element ret = div.getFirstChildElement();
  // Detach, in order that this element looks free-floating (required by some
  // preconditions).
  ret.removeFromParent();
  return ret;
}
 

/**
 * Swaps out the old element for the new element.
 * The old element's children are added to the new element
 *
 * @param oldElement
 * @param newElement
 */
public static void replaceElement(Element oldElement, Element newElement) {

  // TODO(danilatos): Profile this to see if it is faster to move the nodes first,
  // and then remove, or the other way round. Profile and optimise some of these
  // other methods too. Take dom mutation event handlers being registered into account.

  if (oldElement.hasParentElement()) {
    oldElement.getParentElement().insertBefore(newElement, oldElement);
    oldElement.removeFromParent();
  }

  DomHelper.moveNodes(newElement, oldElement.getFirstChild(), null, null);
}
 

/**
 * @param element The element to unwrap. If not attached, does nothing.
 */
public static void unwrap(Element element) {
  if (element.hasParentElement()) {
    moveNodes(element.getParentElement(),
        element.getFirstChild(), null, element.getNextSibling());
    element.removeFromParent();
  }
}
 

/** Turns a UiBuilder rendering into a DOM element. */
private Element parseHtml(UiBuilder ui) {
  if (ui == null) {
    return null;
  }
  SafeHtmlBuilder html = new SafeHtmlBuilder();
  ui.outputHtml(html);
  Element div = com.google.gwt.dom.client.Document.get().createDivElement();
  div.setInnerHTML(html.toSafeHtml().asString());
  Element ret = div.getFirstChildElement();
  // Detach, in order that this element looks free-floating (required by some
  // preconditions).
  ret.removeFromParent();
  return ret;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void onChildAdded(Node child, Element paragraph) {
  Element spacer = getSpacer(paragraph);
  if (spacer.hasParentElement()) {
    spacer.removeFromParent();
  }
}
 

@Override
public void deattachFromDOM() {
  Element textElement = interactiveDoc.getDocument().getFullContentView().getDocumentElement()
      .getImplNodelet();

  if (textElement != null) {
    textElement.removeFromParent();
    interactiveDoc.getDocument().setShelved();
  }

}
 

@Override
public void deattachFromDOM() {
  Element textElement = doc.getFullContentView().getDocumentElement().getImplNodelet();

  if (textElement != null) {
    textElement.removeFromParent();
    doc.setShelved();
  }
}
 

@Override
public void onModuleLoad() {
    Element e = DOM.getElementById("loadingIndicator");

    if (e != null) {
        e.removeFromParent();
    }


    Game g = Injector.INSTANCE.game();
    //g.setSmallView(true);
    g.loadList();
    
}
 

/**
 * Will unregister the provided {@link ApiFeature} in to map of features.
 */
public static void unregister(ApiFeature apiFeature) {
    JavaScriptObject scriptObject = features.get(apiFeature);
    if (scriptObject != null) {
        if (scriptObject.cast() instanceof Element) {
            Element scriptElement = scriptObject.cast();
            scriptElement.removeFromParent();
        }
    }
    features.remove(apiFeature);
}
 

public static void detach(Element container, Element target) {
  Preconditions.checkArgument(target != null && target.getParentElement().equals(container));
  target.removeFromParent();
}
 

public void removeChild(Element e) {
  Preconditions.checkArgument(e != null && e.getParentElement() == self);
  e.removeFromParent();
}
 

public static void detach(Element container, Element target) {
  Preconditions.checkArgument(target != null && target.getParentElement().equals(container));
  target.removeFromParent();
}
 

public void removeChild(Element e) {
  Preconditions.checkArgument(e != null && e.getParentElement() == self);
  e.removeFromParent();
}
 

@Override
public void onModuleLoad() {
    Element e = DOM.getElementById("loadingIndicator");

    if (e != null) {
        e.removeFromParent();
    }


    Game g = Injector.INSTANCE.game();
    g.loadList();
    
}