Examples of org.apache.tapestry5.runtime.RenderCommand

org.apache.tapestry5.runtime.RenderCommand
A command used during rendering of a page.


        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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        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)
        {
            // This will likely leave the page in a dirty state, and it will not go back into the

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        add(configuration, 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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    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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    private void comment(AssemblerContext context)
    {
        CommentToken token = context.next(CommentToken.class);


        RenderCommand commentElement = new CommentPageElement(token.getComment());


        context.addComposable(commentElement);
    }

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    private void element(AssemblerContext context)
    {
        StartElementToken token = context.next(StartElementToken.class);


        RenderCommand element = new StartElementPageElement(token.getNamespaceURI(), token.getName());


        context.addComposable(element);


        while (true)
        {

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        String value = token.getValue();


        // No expansion makes this easier, more efficient.
        if (value.indexOf(InternalConstants.EXPANSION_START) < 0)
        {
            RenderCommand command = new RenderAttribute(token);


            context.addComposable(command);


            return;
        }


        context.add(new PageAssemblyAction()
        {
            public void execute(PageAssembly pageAssembly)
            {
                InternalComponentResources resources = pageAssembly.activeElement.peek().getComponentResources();


                RenderCommand command = elementFactory.newAttributeElement(resources, token);


                pageAssembly.addRenderCommand(command);
            }
        });
    }

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        {
            public void execute(PageAssembly pageAssembly)
            {
                ComponentResources resources = pageAssembly.activeElement.peek().getComponentResources();


                RenderCommand command = elementFactory.newExpansionElement(resources, token);


                pageAssembly.addRenderCommand(command);
            }
        });
    }

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org.apache.tapestry5.corelib.components.Palette

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