Package org.apache.tapestry5.runtime

Examples of org.apache.tapestry5.runtime.RenderCommand

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        this.ajaxFormUpdateController = ajaxFormUpdateController;
    }

    public void renderMarkup(MarkupWriter writer, final JSONObject reply, PartialMarkupRenderer renderer)
    {
        RenderCommand forZone = new RenderCommand()
        {
            public void render(MarkupWriter writer, RenderQueue queue)
            {
                // Create an element to contain the content for the zone. We give it a mnemonic
                // element name and attribute just to help with debugging (the element itself is discarded).

                final Element zoneContainer = writer.element("zone-update", "zoneId", zoneId);

                ajaxFormUpdateController.setupBeforePartialZoneRender(writer);

                queue.push(new RenderCommand()
                {
                    public void render(MarkupWriter writer, RenderQueue queue)
                    {
                        writer.end(); // the zoneContainer element

                        // Need to do this Ajax Form-related cleanup here, before we extract the zone content.

                        ajaxFormUpdateController.cleanupAfterPartialZoneRender();

                        String zoneUpdateContent = zoneContainer.getChildMarkup();

                        zoneContainer.remove();

                        reply.getJSONObject("zones").put(zoneId, zoneUpdateContent);
                    }
                });

                // Make sure the zone's actual rendering command is processed first, then the inline
                // RenderCommand just above.

                queue.push(zoneRenderCommand);
            }
        };

        RenderCommand existing = queue.getRootRenderCommand();

        queue.initializeForPartialPageRender(new CombinedRenderCommand(existing, forZone));

        renderer.renderMarkup(writer, reply);
    }
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    }

    public void processResultValue(final MultiZoneUpdate value) throws IOException
    {
        // There has to be at least a single command in the queue to force a render.
        queue.initializeForPartialPageRender(new RenderCommand()
        {
            public void render(MarkupWriter writer, RenderQueue queue)
            {
            }
        });

        queue.addPartialMarkupRendererFilter(new SetupZonesFilter());

        Map<String, Object> map = value.getZoneToRenderMap();

        for (String zoneId : map.keySet())
        {
            Object provided = map.get(zoneId);

            RenderCommand zoneRenderCommand = toRenderer(zoneId, provided);

            queue.addPartialMarkupRendererFilter(new SingleZonePartialRendererFilter(zoneId, zoneRenderCommand, queue,
                    ajaxFormUpdateController));
        }
    }
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        this.ajaxFormUpdateController = ajaxFormUpdateController;
    }

    public void processResultValue(final RenderCommand value) throws IOException
    {
        RenderCommand wrapper = new RenderCommand()
        {
            public void render(MarkupWriter writer, RenderQueue queue)
            {
                queue.push(cleanup);
                queue.push(value);
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        configuration.add(CoercionTuple.create(Renderable.class, RenderCommand.class,
                new Coercion<Renderable, RenderCommand>()
                {
                    public RenderCommand coerce(final Renderable input)
                    {
                        return new RenderCommand()
                        {
                            public void render(MarkupWriter writer, RenderQueue queue)
                            {
                                input.render(writer);
                            }
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        configuration.add(CoercionTuple.create(Renderable.class, RenderCommand.class,
                new Coercion<Renderable, RenderCommand>()
                {
                    public RenderCommand coerce(final Renderable input)
                    {
                        return new RenderCommand()
                        {
                            public void render(MarkupWriter writer, RenderQueue queue)
                            {
                                input.render(writer);
                            }
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        if (!callback.isAborted()) return;

        // Here's where it gets very, very tricky.

        final RenderCommand rootRenderCommand = pageRenderQueue.getRootRenderCommand();

        final String formId = request.getParameter(FORMID_PARAMETER);

        if (InternalUtils.isBlank(formId))
            throw new RuntimeException(String.format(
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        queue.push(command);
    }

    public void run(MarkupWriter writer)
    {
        RenderCommand command = null;

        boolean traceEnabled = logger.isTraceEnabled(TapestryMarkers.RENDER_COMMANDS);

        long startNanos = System.nanoTime();
        int commandCount = 0;
        int maxDepth = 0;

        // Seems to make sense to use one try/finally around the whole processInbound, rather than
        // around each call to render() since the end result (in a failure scenario) is the same.

        try
        {
            while (!queue.isEmpty())
            {
                maxDepth = Math.max(maxDepth, queue.getDepth());

                command = queue.pop();

                commandCount++;

                if (traceEnabled) logger.trace(TapestryMarkers.RENDER_COMMANDS, "Executing: {}", command);

                command.render(writer, this);
            }
        }
        catch (RuntimeException ex)
        {
            String message = ServicesMessages.renderQueueError(command, ex);
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    private void cdata(AssemblerContext context)
    {
        final CDATAToken token = context.next(CDATAToken.class);

        RenderCommand command = new RenderCommand()
        {
            public void render(MarkupWriter writer, RenderQueue queue)
            {
                writer.cdata(token.getContent());
            }
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    private void defineNamespacePrefix(AssemblerContext context)
    {
        final DefineNamespacePrefixToken token = context.next(DefineNamespacePrefixToken.class);

        RenderCommand command = new RenderCommand()
        {
            public void render(MarkupWriter writer, RenderQueue queue)
            {
                writer.defineNamespace(token.getNamespaceURI(), token.getNamespacePrefix());
            }
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        {
            public void execute(PageAssembly pageAssembly)
            {
                if (!pageAssembly.checkAndSetFlag("dtd-page-element-added"))
                {
                    RenderCommand command = new DTDPageElement(token.getName(), token.getPublicId(),
                                                               token.getSystemId());

                    // It doesn't really matter where this ends up in the tree as long as its inside
                    // a portion that always renders.
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