Examples of org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery

Package org.eclipse.wst.xml.core.internal.contentmodel.modelquery

Examples of org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery

org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery
This class provides an interface for performing higher level queries based on a xml model (DOM) and one or more associated content models (CMDocument). The queries provided can be organized into three groups: 1) DOM Node to CMNode mapping Given a grammatically valid DOM Node the corresponding CMNode can be determined. (i.e. Element -> CMElementDeclaration, Attr -> CMAttributeDeclaration, CharacterData -> CMDataType) 2) DOM editing tests ("Can I do this?") Questions such as canInsert, canRemove, canReplace can assist in the editing of a DOM. The validityChecking argument determines the strictness of the validity testing that occurs. - VALIDITY_NONE : The current content of the Element is ignored. Only the content model is considered. This is most useful for codeassist related queries. - VALIDITY_STRICT : The current content of the Element is considered. Returns true only if the operation preserves content validity. This is useful when DOM editing needs to be constrained to maintain validity. - VALIDITY_PARTIAL : Some optimized compromise between the two options above. 3) DOM editing actions ("What can I do here?") These methods return ModelQueryActions that are relevant at some specified DOM Node. The actions indicate what kinds of DOM Node can be inserted where (at what index).

  public TaglibVariable[] getTaglibVariables(String tagToAdd, IStructuredDocument structuredDoc, ITextRegionCollection customTag, List problems) {


    List results = new ArrayList();
    if (problems == null)
      problems = new ArrayList();
    ModelQuery mq = getModelQuery(structuredDoc);
    if (mq != null) {
      TLDCMDocumentManager mgr = TaglibController.getTLDCMDocumentManager(structuredDoc);


      // TaglibSupport support = ((TaglibModelQuery)
      // mq).getTaglibSupport();

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  /**
   * @return Returns the fModelQuery.
   */
  public ModelQuery getModelQuery(IDocument doc) {
    IStructuredModel model = null;
    ModelQuery mq = null;
    try {
      model = StructuredModelManager.getModelManager().getExistingModelForRead(doc);
      mq = ModelQueryUtil.getModelQuery(model);
    }
    finally {

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      CompletionProposalInvocationContext context) {


    if(!this.isXHTML) {
      IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
  
      ModelQuery mq = ModelQueryUtil.getModelQuery(node.getOwnerDocument());
      if (mq != null) {
        CMDocument doc = mq.getCorrespondingCMDocument(node);
        // this shouldn't have to have the prefix coded in
        if (doc instanceof JSPCMDocument || doc instanceof CMNodeWrapper ||
            node.getNodeName().startsWith("jsp:")) { //$NON-NLS-1$
          return;
        }

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            }
          }
          idResolver = new XMLCatalogIdResolver(baseLocation, null);
        }


        ModelQuery modelQuery = createModelQuery(model, idResolver);
        modelQuery.setEditMode(ModelQuery.EDIT_MODE_UNCONSTRAINED);
        modelQueryAdapterImpl = new JSPModelQueryAdapterImpl(new CMDocumentCache(), modelQuery, idResolver);
      }
    }
    return modelQueryAdapterImpl;
  }

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  public void release() {
    // default is to do nothing
  }


  private static boolean isTagAvailable(Document document, String elementName) {
    ModelQuery modelQuery = ModelQueryUtil.getModelQuery(document);
    if (modelQuery != null) {
      CMDocument cmdoc = modelQuery.getCorrespondingCMDocument(document);
      CMNamedNodeMap map = cmdoc.getElements();
      if ((CMElementDeclaration) map.getNamedItem(elementName) != null) {
        return true;
      }
    }

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    return false;
  }


  private static boolean isAttributeAvailable(Element element, String attrName) {
    ModelQuery modelQuery = ModelQueryUtil.getModelQuery(element.getOwnerDocument());
    if (modelQuery != null) {
      CMElementDeclaration decl = modelQuery.getCMElementDeclaration(element);
      if (decl != null) {
        CMNamedNodeMap map = decl.getAttributes();
        if ((CMAttributeDeclaration) map.getNamedItem(attrName) != null) {
          return true;
        }

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    Document document = element.getOwnerDocument();
    if (document == null)
      // undefined tag, return default
      return false;


    ModelQuery modelQuery = ModelQueryUtil.getModelQuery(document);
    if (modelQuery == null)
      // undefined tag, return default
      return false;


    CMElementDeclaration decl = modelQuery.getCMElementDeclaration(element);
    if (decl == null)
      // undefined tag, return default
      return false;


    return (decl.getContentType() == CMElementDeclaration.EMPTY);

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    return newNode;
  }




  protected ModelQuery getModelQuery(Node node) {
    ModelQuery result = null;
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
      result = ModelQueryUtil.getModelQuery((Document) node);
    }
    else {
      result = ModelQueryUtil.getModelQuery(node.getOwnerDocument());

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  }


  protected List getRequiredAttrs(Node node) {
    List result = new ArrayList();


    ModelQuery modelQuery = getModelQuery(node);
    if (modelQuery != null) {
      CMElementDeclaration elementDecl = modelQuery.getCMElementDeclaration((Element) node);
      if (elementDecl != null) {
        CMNamedNodeMap attrMap = elementDecl.getAttributes();
        Iterator it = attrMap.iterator();
        CMAttributeDeclaration attr = null;
        while (it.hasNext()) {

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  private void processDirective(IReporter reporter, IFile file, IStructuredModel model, IStructuredDocumentRegion documentRegion) {
    IndexedRegion ir = model.getIndexedRegion(documentRegion.getStartOffset());
    if (ir instanceof IDOMElement) {
      IDOMElement element = (IDOMElement) ir;
      ModelQuery query = ModelQueryUtil.getModelQuery(model);
      if (query != null) {
        CMElementDeclaration cmElement = query.getCMElementDeclaration(element);
        if (cmElement != null) {
          CMNamedNodeMap cmAttributes = null;


          CMNamedNodeMapImpl allAttributes = new CMNamedNodeMapImpl();
          List nodes = query.getAvailableContent(element, cmElement, ModelQuery.INCLUDE_ATTRIBUTES);
          for (int k = 0; k < nodes.size(); k++) {
            CMNode cmnode = (CMNode) nodes.get(k);
            if (cmnode.getNodeType() == CMNode.ATTRIBUTE_DECLARATION) {
              allAttributes.put(cmnode);
            }

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