예제 #1
0
  private void evaluateContext(Element target, ModelElement contextModel, Node contextNode)
      throws ParseException {

    // TODO support for 'bind attribute'
    if (target instanceof ModelElement) {

      contextModel = (ModelElement) target;
      contextNode = contextModel.getInitialContextNode();

    } else if (target.getAttribute("model") != null) {

      // 7.4-3-a: context model which 'model' atttibeute determines is used
      String id = target.getAttribute("model");
      contextModel = (ModelElement) getElementById(id);

      // reset the context node to the top-level element node
      contextNode = contextModel.getInitialContextNode();
    }
    if (contextModel == null) {

      // 7.4-3-c: The first model in document order is used
      contextModel = getInitialContextModel();

      // 7.4-1: 'outermost element' uses the top-level element node
      contextNode = contextModel.getInitialContextNode();
    }

    if (target instanceof XFormsElement) ((XFormsElement) target).setContextNode(contextNode);

    System.out.println(
        "evaluete : context node["
            + target.getTagName()
            + "] = "
            + ((InstanceDocument) contextNode.getOwnerDocument()).getOwner().getAttribute("id"));

    for (Node n = target.getFirstChild(); n != null; n = n.getNextSibling()) {

      if (!(n instanceof Element)) continue;

      // 7.4.3-b: The context model of immediately enclosing element is used
      // 7.4-2: 'non-outermost element' uses
      //  first node of the binding expression of the immediately enclosing element
      if (target instanceof XFormsElement) {
        Node bindingNode = ((XFormsElement) target).getBindingNode();
        if (bindingNode != null) {
          evaluateContext((Element) n, contextModel, bindingNode);
          continue;
        }
      }
      evaluateContext((Element) n, contextModel, contextNode);
    }
  }
예제 #2
0
 public void destruct() throws Exception {
   for (Enumeration e = xpathSelectElements("//model"); e.hasMoreElements(); ) {
     Element model = (Element) e.nextElement();
     model.dispatchEvent(new Event("xforms-destruct", true, false));
   }
 }