Examples of org.apache.myfaces.trinidad.context.PartialPageContext

Package org.apache.myfaces.trinidad.context

Examples of org.apache.myfaces.trinidad.context.PartialPageContext

org.apache.myfaces.trinidad.context.PartialPageContext
Context object which is used to track the targets of a partial page render during the Render Response phase. Clients never need to explicitly create PartialPageContext objects, but can retrieve them from a RenderingContext instance. For general access to Partial Page Rendering during all phases, see APIs on the RequestContext API.
During the partial rendering pass, some Renderer implementations may modify the set of partial targets that are rendered. (For example, the FormRenderer adds a partial target for its shared hidden fields.) @version $Name: $ ($Revision: adfrt/faces/adf-faces-impl/src/main/java/oracle/adfinternal/view/faces/renderkit/core/ppr/PartialPageContext.java#0 $) $Date: 10-nov-2005.19:02:58 $ @author The Oracle ADF Faces Team

  {
    FacesContext fContext = __getFacesContext();


    RenderingContext afContext = RenderingContext.getCurrentInstance();


    PartialPageContext pContext = null;


    if (afContext != null)
      pContext = afContext.getPartialPageContext();


    // find the nearest ancestor that generates html markup:
    newTarget = _getNearestPPRTarget(newTarget);


    Object savedKey = null;
    // =-=AEW Force the rowkey of a collection back to null so that the clientId
    // will be correct.  Note that in JSF 1.2, this will be unnecessary
    if (newTarget instanceof UIXCollection)
    {
      savedKey = ((UIXCollection) newTarget).getRowKey();
      if (savedKey != null)
        ((UIXCollection) newTarget).setRowKey(null);
    }


    String clientId = newTarget.getClientId(fContext);


    // Restore the row key
    if (savedKey != null)
    {
      ((UIXCollection) newTarget).setRowKey(savedKey);
    }


    _LOG.finer("Adding partial target: {0}", newTarget);


    if (pContext != null)
    {
      pContext.addPartialTarget(clientId);
    }
    else
    {
      // If we haven't built the partial context yet, maintain a list of the
      // target IDs that have requested partial update.

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  {
    // Don't bother if PPR isn't even supported
    if (!CoreRendererUtils.supportsPartialRendering(this))
      return;


    PartialPageContext partialPageContext =
      PartialPageUtils.createPartialPageContext(fContext,
                                                context);


    _pprContext = partialPageContext;
  }

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      rowKeyManager = ((UIXCollection) component).getClientRowKeyManager();
    
    Set<Object> rowKeys = null;
    String tablePrefix = clientId + NamingContainer.SEPARATOR_CHAR;
    // Search for any PPR targets that start with "<tableClientId>:"
    PartialPageContext ppc = arc.getPartialPageContext();
    Iterator<String> targets = ppc.getPartialTargets();
    while (targets.hasNext())
    {
      String target = targets.next();
      if (target == null)
        continue;

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    FacesBean           bean) throws IOException
  {
    ResponseWriter writer = context.getResponseWriter();


    String formName = arc.getFormData().getName();
    PartialPageContext pprContext = arc.getPartialPageContext();


    // Write out the hidden form field that identifies which
    // form is the one being submitted
    writer.startElement("input", null);
    writer.writeAttribute("type", "hidden", null);
    writer.writeAttribute("name", CoreResponseStateManager.FORM_FIELD_NAME, null);
    writer.writeAttribute("value", formName, null);
    writer.endElement("input");


    // Check to see if this is a partial page render.  If so, we need
    // to push the ID of the postscript onto the partial target stack
    final String postscriptId = _getPostscriptId(arc, formName);
    if (pprContext != null)
    {
      if (!pprContext.isInsidePartialTarget())
      {
        pprContext.addPartialTarget(postscriptId);
      }
    }


    if (postscriptId != null)
    {

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    boolean             needsQuoting,
    Object              id,
    boolean             useScript
    ) throws IOException
  {
    PartialPageContext pContext = arc.getPartialPageContext();


    // cannot use t() in MarlinCore.js on a partial rendering pass
    // just render the icon.
    if (!useScript || (pContext != null))
    {

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    FacesBean           bean) throws IOException
  {
    ResponseWriter writer = context.getResponseWriter();


    String formName = arc.getFormData().getName();
    PartialPageContext pprContext = arc.getPartialPageContext();


    // Write out the hidden form field that identifies which
    // form is the one being submitted
    writer.startElement("input", null);
    writer.writeAttribute("type", "hidden", null);
    writer.writeAttribute("name", CoreResponseStateManager.FORM_FIELD_NAME, null);
    writer.writeAttribute("value", formName, null);
    writer.endElement("input");


    // Check to see if this is a partial page render.  If so, we need
    // to push the ID of the postscript onto the partial target stack
    final String postscriptId = _getPostscriptId(arc, formName);
    if (pprContext != null)
    {
      if (!pprContext.isInsidePartialTarget())
      {
        pprContext.addPartialTarget(postscriptId);
      }
    }


    if (postscriptId != null)
    {

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            // If the navigation bar that we are currently rendering
            // is included in a partial page response, add the icon
            // id to the list of partial targets.
            // =-=AEW Not sure this is still necessary
            PartialPageContext pprContext = arc.getPartialPageContext();
            if ((pprContext != null) &&
                pprContext.isInsidePartialTarget())
            {
              pprContext.addRenderedPartialTarget(iconID);
            }
          }
          else
          {
            // not in PPR mode, so just render the td (and id if not in a table)

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{
  public PPRResponseWriter(ResponseWriter     out,
                           RenderingContext   rc)
  {
    super(out);
    PartialPageContext pprContext = rc.getPartialPageContext();
    if (!(pprContext instanceof PartialPageContextImpl))
        throw new IllegalArgumentException();


    _state = new State((PartialPageContextImpl) pprContext);
    _xml        = new XmlResponseWriter(out, out.getCharacterEncoding());

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      // =-=AEW How to pick a proper ID?


      // Write out a script;  let PPR know to use it
      String scriptId = "::launchScript";
      PartialPageContext ppContext = arc.getPartialPageContext();
      // TODO: Create the span with a bogus component where
      // getClientId() returns the scriptId;  this avoids
      // the need to downcast - you just need to
      // call addPartialTarget().  Or, come up with a better
      // PPR api to make it simpler

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        // TODO: is this always indicative of something being very wrong?
        _LOG.severe("No RenderingContext has been created.");
      }
      else
      {
        PartialPageContext ppc = rc.getPartialPageContext();
        if (ppc != null)
          rw = new PPRResponseWriter(rw, rc);
      }
      
      return _addDebugResponseWriters(rw);

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