Examples of org.eclipse.jst.pagedesigner.adapters.IBodyInfo

Package org.eclipse.jst.pagedesigner.adapters

Examples of org.eclipse.jst.pagedesigner.adapters.IBodyInfo

org.eclipse.jst.pagedesigner.adapters.IBodyInfo
This is an adapter interface. Will be adapted to all the node in the document. It provides additional information to support designer. Basicaly it tells the correspoinding node's body related information. @author mengbo

        && ((IDOMText) child).isElementContentWhitespace())
      return true;


    if ((flag & HEADER) != 0 && child.getNodeType() == Node.ELEMENT_NODE) {
      String uri = CMUtil.getElementNamespaceURI((Element) child);
      IBodyInfo parentInfo = getBodyInfo((IDOMNode) parent);
      if (parentInfo != null
          && parentInfo.isBodyHeader((IDOMNode) parent, uri,
              ((Element) child).getLocalName()))
        return true;
    }
    return false;
  }

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   * @return IDOMNode
   */
  public static IDOMNode findHeaderContainer(IDOMNode start, String uri,
      String tag) {
    while (start != null) {
      IBodyInfo designInfo = getBodyInfo(start);
      if (designInfo != null && designInfo.isBodyContainer(start)) {
        if (designInfo.isBodyHeader(start, uri, tag))
          return start;
      }
      start = (IDOMNode) start.getParentNode();
    }
    return null;

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  public static IDOMPosition findBodyInsertLocation(IDOMPosition position) {
    // forward first.
    Node reference = position.getNextSiblingNode();
    Node container = position.getContainerNode();
    while (reference != null) {
      IBodyInfo info = getBodyInfo((IDOMNode) reference);
      if (info != null && info.isBodyContainer((IDOMNode) reference)) {
        // good, we find a body!
        position = new DOMPosition(reference, 0);
        return findBodyInsertLocation(position);
      }
      if (isSkippableChild(container, reference, EMPTY_TEXT | COMMENT
          | HEADER)) {
        reference = reference.getNextSibling();
        continue;
      }
            break;
    }


    // backward
    reference = position.getPreviousSiblingNode();
    while (reference != null) {
      IBodyInfo info = getBodyInfo((IDOMNode) reference);
      if (info != null && info.isBodyContainer((IDOMNode) reference)) {
        // good, we find a body!
        position = new DOMPosition(reference, reference.getChildNodes()
            .getLength());
        return findBodyInsertLocation(position);
      }

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   * 
   */
  public static IDOMPosition adjustInsertPosition(String uri, String tag,
      IDOMPosition position) {
    IDOMNode parent = (IDOMNode) position.getContainerNode();
    IBodyInfo designInfo = getBodyInfo(parent);
    if (designInfo == null) {
      return position; // should not happen.
    }


    IDOMNode headerContainer = findHeaderContainer(parent, uri, tag);


    if (headerContainer == null) {
      // the new node is not header.
      if (shouldIgnoreAdjust(uri, tag)) {
        return position;
      }


      // new node is not body header. So should place inside the inner most
      // body.
      if (!designInfo.isBodyContainer(parent)) {
        return position; // it's parent is not body, so we suggest
        // it's parent already correctly located, and respect user's
        // choice.
      }

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   * @return the new dom position based on the insert.  May return null if
   * insert fails.
   */
  public static IDOMPosition insertBody(IDOMPosition position, QName body,
      String defaultPrefix) {
    IBodyInfo bodyInfo = getBodyInfo((IDOMNode) position.getContainerNode());


    Node node = position.getContainerNode();
    final Node originalContainer = node;
    final Node nextSibling = position.getNextSiblingNode();


    // create the body element first.
    Document ownerDoc;
    if (node instanceof Document) {
      ownerDoc = (Document) node;
    } else {
      ownerDoc = node.getOwnerDocument();
    }
    if (ownerDoc == null) {
      return null; // should not happen
    }


    final String prefix = JSPUtil.getOrCreatePrefix(((IDOMNode) node).getModel(),
        body.getNamespaceURI(), defaultPrefix);
    final Element ele = ownerDoc.createElement((prefix == null ? "" //$NON-NLS-1$
        : (prefix + ":")) //$NON-NLS-1$
        + body.getLocalPart());


    // need to find out the insertion point
    while (node instanceof IDOMNode) {
      if (bodyInfo.isBodyContainer((IDOMNode) node)) {
        // ok, node is a body container.
        // we could create the new node as child of node and move all
        // node's none header children
        // as children of the new node.

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Related Classes of org.eclipse.jst.pagedesigner.adapters.IBodyInfo

org.eclipse.jst.pagedesigner.utils.BodyHelper

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