Examples of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode

Package org.eclipse.wst.xml.core.internal.provisional.document

Examples of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode

org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode
This interface describes the extended functionality of our source-oriented DOM. First, our nodes extend the w3c Node interface, IndexedRegion, and INodeNotifier. Plus, has the extra methods called out here. ISSUE: the 'read-only' API should be broken out in their own interface @plannedfor 1.0

    if (!(fInfo instanceof AttributeContextInformation)) {
      return false;
    }


    // iterate existing attributes from current node
    IDOMNode xmlNode = fModelUtil.getXMLNode(documentPosition);
    if (xmlNode == null)
      return false;
    
    IStructuredDocumentRegion sdRegion = xmlNode.getFirstStructuredDocumentRegion();
    ITextRegionList regions = sdRegion.getRegions();
    ITextRegion r = null;
    String attrName = ""; //$NON-NLS-1$
    Object temp = null;
    Position p = null;

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  }


  /**
   */
  public void setCommentTag(boolean isCommentTag) {
    IDOMNode parent = (IDOMNode) getParentNode();
    if (parent != null && !parent.isChildEditable()) {
      throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, DOMMessages.NO_MODIFICATION_ALLOWED_ERR);
    }


    if (isCommentTag)
      fTagFlags |= FLAG_COMMENT;

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   * 
   * @param isEmptyTag
   *            boolean
   */
  public void setEmptyTag(boolean isEmptyTag) {
    IDOMNode parent = (IDOMNode) getParentNode();
    if (parent != null && !parent.isChildEditable()) {
      throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, DOMMessages.NO_MODIFICATION_ALLOWED_ERR);
    }


    if (isEmptyTag)
      fTagFlags |= FLAG_EMPTY;

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   * 
   * @param isJSPTag
   *            boolean
   */
  public void setJSPTag(boolean isJSPTag) {
    IDOMNode parent = (IDOMNode) getParentNode();
    if (parent != null && !parent.isChildEditable()) {
      throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, NodeImpl.EMPTY_STRING);
    }


    if (isJSPTag)
      fTagFlags |= FLAG_JSP;

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  }


  /**
   */
  public void setPrefix(String prefix) throws DOMException {
    IDOMNode parent = (IDOMNode) getParentNode();
    if (parent != null && !parent.isChildEditable()) {
      throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, NodeImpl.EMPTY_STRING);
    }


    int prefixLength = (prefix != null ? prefix.length() : 0);
    String localName = getLocalName();

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    IStructuredDocumentRegion sdRegion = fModelUtil.getDocument().getRegionAtCharacterOffset(offset);
    if (!canProposeInfo(sdRegion)) {
      return EMPTY_CONTEXT_INFO;
    }


    IDOMNode node = fModelUtil.getXMLNode(offset);
    if (node != null) {
      switch (node.getNodeType()) {
        case Node.ELEMENT_NODE :
          results = getInfoForElement(node);
          break;
        // future...
        // case Node.TEXT_NODE :

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    return mq;
  }


  public IDOMNode getXMLNode(int offset) {
    IStructuredModel xmlModel = null;
    IDOMNode xmlNode = null;
    try {
      xmlModel = StructuredModelManager.getModelManager().getExistingModelForRead(getDocument());
      if (xmlModel != null) {
        xmlNode = (IDOMNode) xmlModel.getIndexedRegion(offset);
      }

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      // get initial dom node
      IndexedRegion currentIndexedRegion = model.getIndexedRegion(startOffset);
      if (currentIndexedRegion instanceof IDOMNode) {
        // set up domRegion which will contain current region to be
        // formatted
        IDOMNode currentDOMNode = (IDOMNode) currentIndexedRegion;
        DOMRegion domRegion = new DOMRegion();
        domRegion.documentRegion = currentRegion;
        domRegion.domNode = currentDOMNode;
        
        XMLFormattingConstraints parentConstraints = getRegionConstraints(currentDOMNode);

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   * formatting constraints
   * 
   * @return formatting constraints defined by an ancestor
   */
  private XMLFormattingConstraints getRegionConstraints(IDOMNode currentNode) {
    IDOMNode iterator = currentNode;
    XMLFormattingConstraints result = new XMLFormattingConstraints();
    DOMRegion region = new DOMRegion();
    XMLFormattingConstraints parentConstraints = new XMLFormattingConstraints();
    boolean parent = true;
    
    /* Iterate through the ancestry to find if any explicit whitespace strategy has
     * been defined
     */
    while(iterator != null && iterator.getNodeType() != Node.DOCUMENT_NODE) {
      iterator = (IDOMNode) iterator.getParentNode();
      region.domNode = iterator;
      region.documentRegion = iterator.getFirstStructuredDocumentRegion();
      
      updateFormattingConstraints(null, null, result, region);
      
      /* If this is the parent of the current node, keep the constraints
       * in case no other constraints are identified

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   * @param formatRange
   */
  private void formatSiblings(TextEdit edit, DOMRegion domRegion, XMLFormattingConstraints parentConstraints, Position formatRange) {
    IStructuredDocumentRegion previousRegion = null;
    IStructuredDocumentRegion currentRegion = domRegion.documentRegion;
    IDOMNode currentDOMNode = domRegion.domNode;
    while (currentDOMNode != null && currentRegion != null && formatRange.overlapsWith(currentRegion.getStartOffset(), currentRegion.getLength()) && (fProgressMonitor == null || !fProgressMonitor.isCanceled())) {
      domRegion.documentRegion = currentRegion;
      domRegion.domNode = currentDOMNode;


      // need to make sure current document region and current
      // dom node match up
      if (currentDOMNode.getFirstStructuredDocumentRegion().equals(currentRegion)) {
        // format this document region/node, formatRegion will
        // return the last node/region formatted
        domRegion = formatRegion(edit, formatRange, parentConstraints, domRegion, previousRegion);
      }
      else {

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