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).

   * Return the {@link CMElementDeclaration} defined for the given node.
   */
  protected static CMElementDeclaration getCMElementDeclaration(Node node) {
    CMElementDeclaration result = null;
    if (node.getNodeType() == Node.ELEMENT_NODE) {
      ModelQuery modelQuery = ModelQueryUtil.getModelQuery(node.getOwnerDocument());
      if (modelQuery != null) {
        result = modelQuery.getCMElementDeclaration((Element) node);
      }
    }
    return result;
  }

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          // attached meta data and not the concrete element data
          Node node = nodes.item(0);


          // Look for meta data. The query returns null in case no XSD
          // can be found.
          ModelQuery modelQuery = ModelQueryUtil.getModelQuery(document);
          if (modelQuery != null) {


            // Get the element declaration from the model query.
            CMElementDeclaration result = modelQuery
                .getCMElementDeclaration((Element) node);


            // If the XSD is not found this check will fail.
            if (result instanceof XSDElementDeclarationAdapter) {
              XSDElementDeclarationImpl elementDeclaration = (XSDElementDeclarationImpl) ((XSDElementDeclarationAdapter) result)

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      factoryRegistry.addFactory(factory);
    }


    // Stuff from super method (inferred grammar support)
    if (structuredModel != null) {
      ModelQuery modelQuery = ModelQueryUtil.getModelQuery(structuredModel);
      if (modelQuery != null) {
        CMDocumentManager documentManager = modelQuery.getCMDocumentManager();
        if (documentManager != null) {
          IPreferenceStore store = XMLUIPlugin.getDefault().getPreferenceStore();
          boolean useInferredGrammar = (store != null) ? store
              .getBoolean(XMLUIPreferenceNames.USE_INFERRED_GRAMMAR) : true;

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