Examples of com.google.gwt.dom.client.Node

com.google.gwt.dom.client.Node
The Node interface is the primary datatype for the entire Document Object Model. It represents a single node in the document tree. While all objects implementing the Node interface expose methods for dealing with children, not all objects implementing the Node interface may have children.

      JsTextRangeIE attempt = JsTextRangeIE.create();
      int low = 0;
      int high = parent.getChildCount() - 1;
      while (low <= high) {
        int mid = (low + high) >>> 1;
        Node node = parent.getChild(mid);
        node.getParentNode().insertBefore(setter, node);
        attempt.moveToElementText(setter).collapse(false);
        int cmp = attempt.compareEndPoints(CompareMode.StartToEnd, target);


        if (cmp == 0) {
          if (DomHelper.isTextNode(node)) {
            return Point.inText(node, 0);
          } else {
            return Point.inElement(parent, node);
          }
        } else if (cmp > 0) {
          high = mid - 1;
        } else {
          if (DomHelper.isTextNode(node)) {
            JsTextRangeIE dup = attempt.duplicate();
            dup.setEndPoint(EndToEnd, target);
            if (dup.getText().length() <= node.<Text> cast().getLength()) {
              return Point.inText(node, dup.getText().length());
            }
          } else {
            attempt.moveToElementText(node.<Element> cast()).collapse(false);
            if (attempt.compareEndPoints(StartToStart, target) >= 0) {
              return Point.inElement(parent, node);
            }


          }

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   * @param element
   * @return input range collapsed after element
   */
  @SuppressWarnings("unused")  // TODO(zdwang): Dead code. Left here, as it may be useful later.
  private JsTextRangeIE collapseAfterElement(JsTextRangeIE range, Element element) {
    Node next = element.getNextSibling();
    return (next != null) ?
        collapseBeforeNode(range, next) :
          collapseAtEnd(range, element.getParentElement());
  }

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      JsTextRangeIE collapsed = collapseBeforeNode(range, point.getContainer());
      collapsed.move(character, point.getTextOffset());
      return collapsed;
    } else {
      Element element = point.getContainer().cast();
      Node child = point.getNodeAfter();
      return child != null ?
          collapseBeforeNode(range, child) :
            collapseAtEnd(range, element);
    }
  }

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    if (selection == null) {
      // NOTE(danilatos): This seems to happen very rarely with FF.
      // I wonder what the reproducible cause is.
      return null;
    }
    Node anchorNode = selection.anchorNode();
    Node focusNode = selection.focusNode();
    return focusNode == null ? null : constructRange(
        anchorNode, selection.anchorOffset(),
        focusNode, selection.focusOffset());
  }

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    JsRange jsRange = getSelectionRange();
    if (jsRange == null) {
      return true;
    }
    SelectionW3CNative selection = SelectionW3CNative.getSelectionGuarded();
    Node anchorNode = selection.anchorNode();
    int anchorOffset = selection.anchorOffset();
    boolean ret = anchorNode == jsRange.startContainer() && anchorOffset == jsRange.startOffset();


    // check that if the anchor doesn't match the start, then the focus does.
    assert ret || focusIsAtStart(selection, jsRange);

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    return ret;
  }


  boolean focusIsAtStart(SelectionW3CNative selection, JsRange jsRange) {
    Node focusNode = selection.focusNode();
    int focusOffset = selection.focusOffset();
    return focusNode == jsRange.startContainer() && focusOffset == jsRange.startOffset();
  }

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    int anchorOffset;
    int focusOffset;
    JsRange range = JsRange.create();


    Node anchorNode = anchor.getContainer();
    Node focusNode = focus.getContainer();


    assert anchorNode != null : "Anchor node must not be null.";
    assert focusNode != null : "Focus node must not be null.";


    if (anchor.isInTextNode()) {
      anchorOffset = anchor.getTextOffset();
    } else if (anchor.getNodeAfter() == null) {
      anchorOffset = anchorNode.getChildCount();
    } else {
      anchorNode = anchor.getNodeAfter().getParentElement();
      range.setStartBefore(anchor.getNodeAfter());
      anchorOffset = range.startOffset();
    }


    if (focus.isInTextNode()) {
      focusOffset = focus.getTextOffset();
    } else {
      Node focusNodeAfter = focus.getNodeAfter();
      if (focusNodeAfter == null) {
        focusOffset = focusNode.getChildCount();
      } else {
        focusNode = focusNodeAfter.getParentElement();
        assert focusNode != null : "focus node must not be null";
        range.setStartBefore(focusNodeAfter);
        focusOffset = range.startOffset();
      }
    }

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    int anchorOffset;
    int focusOffset;
    JsRange range = JsRange.create();


    Node focusNode = focus.getContainer();


    if (focus.isInTextNode()) {
      focusOffset = focus.getTextOffset();
    } else if (focus.getNodeAfter() == null) {
      focusOffset = focusNode.getChildCount();
    } else {
      range.setStartBefore(focus.getNodeAfter());
      focusOffset = range.startOffset();
    }

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  @Override
  public void assertHealthy(ContentElement paragraph) {
    ContentView renderedContent = paragraph.getRenderedContentView();
    if (renderedContent.getFirstChild(paragraph) != null) {
      Element nodelet = paragraph.getImplNodelet();
      Node last = nodelet.getLastChild();
      assert isSpacer(last) : "Last nodelet child should be spacer";
      Node child = nodelet.getFirstChild();
      while (child != null && !child.equals(last)) {
        assert !isSpacer(child) : "Only last nodelet child should be spacer";
        child = child.getNextSibling();
      }
    }
    super.assertHealthy(paragraph);
  }

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    return e.getTagName().toLowerCase().equals("br") && !NodeManager.hasBackReference(e);
  }


  @Override
  public Node getEndingNodelet(Element paragraph) {
    Node maybeSpacer = paragraph.getLastChild();
    return isSpacer(maybeSpacer) ? maybeSpacer : null;
  }

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