Re: [xmlc] Headers and footers

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Hello Eric,

I am currently using a dynamic header and footer.  My approach is a 
little different but perhaps it will work for you.  I'm using a custom 
framework but the premise is the same.  All the pages in our site are 
passed to a handler that inspects the XMLObject for a particular div in 
this case <div id="header">.  Sort of a "post processor" for the view 
where content that is the same across all pages gets added.  Hope this 
helps.



class RenderView{
    // object that contains getters for the request and response.
    private HttpComs httpCom;
...
    public XMLCFactory getFactory(){
       
        XMLCFactory factory = 
XMLCContext.getContext(httpCom.getServlet()).getXMLCFactory();
        return factory;
    }


public void drawheader(XMLObject returnHtml){

        // Get the page containing the header and footer.
        headerFooterHTML headerFooter 
=(headerFooterHTML)this.getFactory().create(headerFooterHTML.class);

...
Update the header content
...


        // Get the node in the return html where I want to insert the 
header. Import the header node
       // from the headerFooter.  Append the node to the <div 
id="header"> element.
        Node node = returnHtml.getElementById("header");
        if(node != null){
            Node headerNode = 
returnHtml.importNode(headerFooter.getElementHeader(),true);
            node.appendChild(headerNode);
        }

     
            XMLCContext xmlc = XMLCContext.getContext(httpCom.getServlet());
            OutputOptions outo = 
xmlc.createOutputOptions(httpCom.getRequest(), 
httpCom.getResponse(),returnHtml);
            outo.setPrettyPrinting(true);
            xmlc.writeDOM(httpCom.getRequest(), httpCom.getResponse(), 
outo ,returnHtml);

 }
}

Best regards

James Rochford
[email protected]


Erik Rasmussen wrote:

>I can only think of two ways to achieve common headers
>and footers on a web page generated with XMLC, and
>neither works:
>
>1) The built-in SSI mechanism.  This will load in a
>header.html and footer.html into the top and bottom of
>your web page wherever you put the SSI directives
>BEFORE running the XMLC interface generation.  So lets
>say I have index.html and products.html, and I have a
><span id="siteName">site</span> in my header.html that
>both index.html and products.html include.  So I'll
>get interfaces indexHTML and productsHTML, both of
>which will have a method setTextSiteName().  But
>because they don't extend a common interface with that
>method, my code to set the site name has to use
>reflection to call the setTextSiteName() method.  That
>sucks.
>
>2) DOM import.  Say I make a file called template.html
>that contains my header and footer information in it,
>and has a <div id="content"> in the middle of it where
>I want my page content to go.  I can set my dynamic
>header content with my templateHTML interface, and I
>can set my dynamic page content with my productsHTML
>interface.  And then I can say:
>
>Element contentDiv =
>templateXmlObj.getElementContent();
>Node migratedContent =
>contentDiv.getDocument().importNode(productsXmlObj,
>true);
>contentDiv.appendChild(migratedContent);
>
>...and then just write the templateXmlObj to the
>response with the content from the products page
>inserted.  Right?  Wrong.  Line 2 above throws a:
>org.w3c.dom.DOMException: Node type being imported is
>not supported
>        at
>org.enhydra.apache.xerces.dom.CoreDocumentImpl.importNode(CoreDocumentImpl.java:1049)
>        at
>org.enhydra.apache.xerces.dom.CoreDocumentImpl.importNode(CoreDocumentImpl.java:860)
>
>So wtf?  Surely someone has succeeded in creating a
>webapp based on XMLC with common (and dynamic!) header
>and footer code.  What am I missing?  Is there another
>way?
>
>Thanks,
>Erik
>
>
>		
>____________________________________________________
>Start your day with Yahoo! - make it your home page 
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> 
>
>  
>
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