Examples of com.volantis.mcs.protocols.DeviceLayoutContext$FormatInstanceCollector

com.volantis.mcs.protocols.DeviceLayoutContext
This visits the format tree, pre-creating and collecting the zero dimension format instances for those formats which are accessible directly via PAPI - i.e Panes, Fragments and FormFragments (but not Dissecting Panes).
These format instances are then used to create the PAPI Facades for the formats before being given back to the user.
This is required because the all the PAPI accessible formats are required to be available as soon as the canvas is created, rather than as they are individually referenced in the XDIME/PAPI, as would be the case otherwise.
NOTE: This is rather nasty, for the following reasons:
- The original idea of being able to access formats via PAPI is dubious.
- The PAPI accessible Formats are given Facade classes in the PAPI package with inconsistent names (some of which duplicate the related format names).
- Since the PAPI formats were added, we have added format iterators which confuses the issue. For example, it is impossible to provide access to all the format instances in an iterated format as we do not know how many there will be.
- It relies on the fact that we can use the zero dimension format context instance to represent all the format instance instances. This only works for Panes because the context is not used and the values are stored directly into the pane (which is itself a bug), and for Fragments and FormFragments because these are currently not iterated. The real fix for this is to invent an object which stores the state which is common to all format instances.
- Support for Dissecting Panes is implemented differently, and in a more standard fashion, for some reason(s) which are now lost in the mists of time. It relies on the normal FormatScopes for looking up the pane and pane context.
@see com.volantis.mcs.papi.PaneFormat @see com.volantis.mcs.papi.Fragment @see com.volantis.mcs.papi.FormFragment @see com.volantis.mcs.papi.DissectingPane @see com.volantis.mcs.context.MarinerRequestContext#getPaneFormat @see com.volantis.mcs.context.MarinerRequestContext#getPaneFormats @see com.volantis.mcs.context.MarinerRequestContext#getFragment @see com.volantis.mcs.context.MarinerRequestContext#getFragments @see com.volantis.mcs.context.MarinerRequestContext#getFormFragment @see com.volantis.mcs.context.MarinerRequestContext#getDissectingPane


        ProtocolBuilder builder = new ProtocolBuilder();
        DOMProtocol domProtocol = (DOMProtocol) builder.build(
                new TestProtocolRegistry.TestDOMProtocolFactory(),
                InternalDeviceTestHelper.createTestDevice());
        final DeviceLayoutContext layoutContext = new DeviceLayoutContext();


        pageContext.pushDeviceLayoutContext(layoutContext);
        pageContext.setProtocol(domProtocol);
        domProtocol.setMarinerPageContext(pageContext);

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         try {
             // Create a layout containing a simple region.
             RuntimeDeviceLayout anonymousLayout = createAnonymousRegionLayout();
         
             // Create a context for the layout and push it onto the page context.
             DeviceLayoutContext deviceLayoutContext = new DeviceLayoutContext();
             
             deviceLayoutContext.setMarinerPageContext(pageContext);
             deviceLayoutContext.setDeviceLayout(anonymousLayout);
             deviceLayoutContext.initialise();
             pageContext.pushDeviceLayoutContext(deviceLayoutContext);
         
             // Get an instance of the layout's region.
             Region region = (Region) anonymousLayout.getRootFormat();
             RegionInstance anonymousRegionInstance = (RegionInstance)

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        OutputBuffer anonymousBuffer =
                anonymousRegionInstance.getCurrentBuffer();
        pageContext.popOutputBuffer(anonymousBuffer);
        
        DeviceLayoutContext layoutToPop = pageContext.getDeviceLayoutContext();        
        
        pageContext.popDeviceLayoutContext();                


        ContainerInstance containingInstance =
            pageContext.getCurrentContainerInstance();

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        RuntimeDeviceLayout runtimeDeviceLayout = createRuntimeDeviceLayout();
        SpatialFormatIterator spatialFormatIterator = (SpatialFormatIterator)
                runtimeDeviceLayout.getRootFormat();


        // Initialise the device layout and page contexts.
        DeviceLayoutContext deviceLayoutContext = new DeviceLayoutContext();
//        deviceLayoutContext.setStylingFactory(StylingFactory.getDefaultInstance());
//        deviceLayoutContext.setFormatStylingEngine(
//                new FormatStylingEngineImpl(new StylingEngine() {
//
//            public void startElement(

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        pageContext.pushDeviceLayoutContext(context);
    }


    // Javadoc inherited.
    public void popDeviceLayoutContext() {
        DeviceLayoutContext context = pageContext.popDeviceLayoutContext();


        ImmutablePropertyValues propertyValues =
                context.getInheritableStyleValues();
        FormatStylingEngine stylingEngine = getFormatStylingEngine();
        stylingEngine.popPropertyValues(propertyValues);
    }

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        return pageContext.getDeviceLayoutContext();
    }


    // Javadoc inherited.
    public NDimensionalContainer getFormatInstancesContainer(Format format) {
        DeviceLayoutContext context = getDeviceLayoutContext();
        return context.getFormatInstancesContainer(format);
    }

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        // Store the style properties into the device layout context to allow
        // it to inherit from them.
        ImmutablePropertyValues immutablePropertyValues =
                propertyValues.createImmutablePropertyValues();
        DeviceLayoutContext dlc = pageContext.getDeviceLayoutContext();
        dlc.setInheritableStyleValues(immutablePropertyValues);


        try {
            // Initialise the canvas.
            pageContext.initialise(false, false, null, null,
                    widgetResponseElement.getThemeStyleSheets(), layoutName);

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        try {
            // Create a layout containing a simple region.
            RuntimeDeviceLayout anonymousLayout = createAnonymousRegionLayout();


            // Create a context for the layout and push it onto the page context.
            DeviceLayoutContext deviceLayoutContext = new DeviceLayoutContext();
            deviceLayoutContext.setMarinerPageContext(pageContext);
            deviceLayoutContext.setDeviceLayout(anonymousLayout);
            deviceLayoutContext.initialise();
            pageContext.pushDeviceLayoutContext(deviceLayoutContext);


            // Get an instance of the layout's region.
            Region region = (Region) anonymousLayout.getRootFormat();
            anonymousRegionInstance = (RegionInstance)

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        // Store the style properties into the device layout context to allow
        // it to inherit from them.
        ImmutablePropertyValues immutablePropertyValues =
                propertyValues.createImmutablePropertyValues();
        DeviceLayoutContext dlc = pageContext.getDeviceLayoutContext();
        dlc.setInheritableStyleValues(immutablePropertyValues);


        try {
            // Initialise the canvas, no layout is passed in as that will be
            // pushed on by the parent class.
            pageContext.initialise(false, false, null, null,

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        try {
            // Create a layout containing a simple region.
            RuntimeDeviceLayout anonymousLayout = createAnonymousRegionLayout();


            // Create a context for the layout and push it onto the page context.
            DeviceLayoutContext deviceLayoutContext = new DeviceLayoutContext();
            deviceLayoutContext.setMarinerPageContext(pageContext);
            deviceLayoutContext.setDeviceLayout(anonymousLayout);
            deviceLayoutContext.initialise();
            pageContext.pushDeviceLayoutContext(deviceLayoutContext);


            // Get an instance of the layout's region.
            Region region = (Region) anonymousLayout.getRootFormat();
            anonymousRegionInstance = (RegionInstance)

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com.volantis.mcs.context.MarinerPageContext

com.volantis.mcs.context.OldMarinerPageContextTestCase

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com.volantis.mcs.layouts.FormatScope

com.volantis.mcs.layouts.Fragment

com.volantis.mcs.papi.impl.CanvasElementImpl

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