Examples of com.volantis.mcs.protocols.DOMOutputBuffer

com.volantis.mcs.protocols.DOMOutputBuffer
This class extends AbtsractOutputBuffer with the methods which need to be implemented by OutputBuffers which contain a DOM, or partial DOM.
When creating output elements, the CSS display value needs to be set correctly. There are three different types of elements we create:
1. Elements that map like for like with the input, e.g. a table on input maps to a table on output. In this case the value of display should be preserved from the input styles.
2. Elements that are created from the input but are not like for like, e.g table -> div, pane -> table. In this case the display should be overridden with a value that is appropriate for the output. For example pane -> table has display:block as input but should have display:table as output. Note that where possible this should match the input in meaning as far as is practical.
3. As structural necessity, e.g. does not map to an input element and so does not have any styles of its own and therefore has to inherit them from its parent, e.g. tr. In this case the display should be set properly on the output.
NOTE: This class uses Java's Character.isWhitespace(char) to determine if a character is a whitespace. The characters that Java defines to be whitespace are a superset of those that XML defines to be whitespace. However, if the extra characters considered to be Java whitespace are used in an XML document, the XML parser will already have complained about these characters being invalid.
@mock.generate base="OutputBuffer"

     */
    private DOMOutputBuffer setupForPaneTests(PaneRendering rendering,
                                              PaneAttributes attributes) {
        context = new TestMarinerPageContext();


        DOMOutputBuffer dom = new DOMOutputBuffer();
        TestDeviceLayoutContext deviceLayoutContext = new TestDeviceLayoutContext();


        // Intialize the dom
        dom.initialise();


        // Intialize the context.
        context.pushDeviceLayoutContext(deviceLayoutContext);


        // Intialize the protocol

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    }


    // javadoc inherited.
    public void testClosePane() throws Exception {
        PaneAttributes attributes = new PaneAttributes();
        DOMOutputBuffer dom = setupForPaneTests(PaneRendering.USE_TABLE,
                                                attributes);


        final Element expected;
        // @todo 2005060816 annotate child with style information if it's not inherited from the parent
        dom.openStyledElement("body", attributes);
        expected = dom.openElement("div");


        protocol.closePane(dom, attributes);


        assertSame("The DOM's current element isn't the body element",
                   dom.getCurrentElement(),
                   expected);
    }

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     * Test closing a pane where a div has been used to surround the pane's
     * content.
     */
    public void testClosePaneUseDiv() throws Exception {
        PaneAttributes attributes = new PaneAttributes();
        DOMOutputBuffer dom = setupForPaneTests(
                PaneRendering.CREATE_ENCLOSING_ELEMENT, attributes);




        // This does not effect the outcome of the test.
//        context.setStyleClassName(PANE_CLASS);


        final Element expected;
        // @todo 2005060816 annotate child with style information if it's not inherited from the parent
        expected = dom.openStyledElement("body", attributes);
        dom.openElement("div");
        dom.appendEncoded("Example");


        protocol.closePane(dom, attributes);


        assertSame("The DOM's current element isn't the body element",
                   dom.getCurrentElement(),
                   expected);
    }

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     * Test closing a pane where the surrounding td has been used as the
     * pane's content container.
     */
    public void testClosePaneUseCell() throws Exception {
        PaneAttributes attributes = new PaneAttributes();
        DOMOutputBuffer dom = setupForPaneTests(
                PaneRendering.USE_ENCLOSING_TABLE_CELL, attributes);


        final Element expected;
        expected = dom.openStyledElement("td", attributes);


        dom.appendEncoded("Example");


        protocol.closePane(dom, attributes);


        assertSame("The DOM's current element isn't the td element",
                   dom.getCurrentElement(),
                   expected);
    }

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     *
     * @throws Exception
     */
    public void testClosePaneDoNothing() throws Exception {
        PaneAttributes attributes = new PaneAttributes();
        DOMOutputBuffer dom = setupForPaneTests(
                PaneRendering.DO_NOTHING, attributes);


        final Element expected;
        expected = dom.openStyledElement("body", attributes);
        dom.appendEncoded("Example");


        protocol.closePane(dom, attributes);


        assertSame("The DOM's current element isn't the body element",
                   dom.getCurrentElement(),
                   expected);
    }

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    }


    public boolean open(OutputBuffer buffer, MenuItem item)
        throws RendererException {


        DOMOutputBuffer outputBuffer = (DOMOutputBuffer) buffer;


        Element element = outputBuffer.openElement("span");


        ElementDetails elementDetails = item.getElementDetails();
        Styles styles = elementDetails.getStyles();
        if (styles != null) {
            element.setStyles(styles);

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    }


    public void close(OutputBuffer buffer, MenuItem item)
        throws RendererException {


        DOMOutputBuffer outputBuffer = (DOMOutputBuffer) buffer;


        outputBuffer.closeElement("span");
    }

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    // javadoc inherited from super class
    protected void setUp() throws Exception {
        super.setUp();


        outputBuffer = new DOMOutputBuffer();


        bufferFactory = new OutputBufferFactory() {
            public OutputBuffer createOutputBuffer() {
               return outputBuffer;
            }

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    }


    protected DOMOutputBuffer getCurrentBuffer(
            ContainerInstance containerInstance) {


        DOMOutputBuffer buffer = (DOMOutputBuffer)
                containerInstanceBufferMap.get(containerInstance);
        return (null != buffer) ? buffer :
                super.getCurrentBuffer(containerInstance);
    }

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    }


    protected DOMOutputBuffer getCurrentBuffer (
            ContainerInstance containerInstance) {


        DOMOutputBuffer buffer = (DOMOutputBuffer)
                containerInstanceBufferMap.get(containerInstance);
        return (null != buffer) ? buffer : super.getCurrentBuffer(containerInstance);
    }

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