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10-08-2004, 05:46 PM
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#1 |
Using XSLT to extend XHTML
I am trying to use XSLT to extend XHTML so that I can have custom
widgets. For example I have a calendar control. Whenever I put the following in the psudo-XHTML doc: <calendarbox name="mycal"/> I get a nice xhtml text box with a calendar icon beside it. When the calendar icon is clicked a calender pops up to allow the user to choose the date. Then the value chosen is stuck in the xhtml text field and can be submitted with the form. I have this working quite well but I have one problem. My general strategy has been to have my xhtml doc call a similarly named xsl file. This xsl file imports some general xsl templates and also imports some xsl templates for specific functionality used in the xhtml doc. Now some of the imported xsl templates may need to add stylesheet and script tags to the xhtml head tag. How do I add this information while still allowing other templates to add their style and script tags. Let me give you a simplified example: foo.xhtml --------- <?xml version="1.0" encoding="ISO-8859-1"?> <?xml-stylesheet type="text/xsl" href="/structure/foo.xsl"?> <html> <head> <title>My title</title> <link rel="stylesheet" type="text/css" href="/style/foo.css"/> </head> <body> <specialwidget/> </body> </html> foo.xsl ------- <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" xmlns  sl="http://www.w3.org/1999/XSL/Transform"xmlns="http://www.w3.org/1999/xhtml"> <xsl:import href="general.xsl"/> <xsl:import href="widgets.xsl"/> <xsl:import href="site.xsl"/> </xsl:stylesheet> First thing to note is that foo.xhtml could have style and script information itself. The second thing to note is that any of the imported xsl files in foo.xsl could add style and script information that their custom widgets might need. My goal is to encapsulate the external dependencies that each imported xsl file needs so that all I have to do is import the xsl file. The imported style will take care of adding those dependencies to the header. Any suggestions? Eric Eric Anderson |
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10-09-2004, 03:40 PM
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#2 |
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Posts: n/a
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Re: Using XSLT to extend XHTML
Eric Anderson wrote:
> I am trying to use XSLT to extend XHTML so that I can have custom > widgets. For example I have a calendar control. Whenever I put the > following in the psudo-XHTML doc: > > <calendarbox name="mycal"/> > > I get a nice xhtml text box with a calendar icon beside it. When the > calendar icon is clicked a calender pops up to allow the user to choose > the date. Then the value chosen is stuck in the xhtml text field and can > be submitted with the form. I have this working quite well but I have > one problem. My general strategy has been to have my xhtml doc call a > similarly named xsl file. This xsl file imports some general xsl > templates and also imports some xsl templates for specific functionality > used in the xhtml doc. Now some of the imported xsl templates may need > to add stylesheet and script tags to the xhtml head tag. How do I add > this information while still allowing other templates to add their style > and script tags. Let me give you a simplified example: > > foo.xhtml > --------- > <?xml version="1.0" encoding="ISO-8859-1"?> > <?xml-stylesheet type="text/xsl" href="/structure/foo.xsl"?> > > <html> > <head> > <title>My title</title> > <link rel="stylesheet" type="text/css" href="/style/foo.css"/> > </head> > <body> > <specialwidget/> > </body> > </html> > > foo.xsl > ------- > <?xml version="1.0" encoding="ISO-8859-1"?> > <xsl:stylesheet version="1.0" > xmlns sl="http://www.w3.org/1999/XSL/Transform"> xmlns="http://www.w3.org/1999/xhtml"> > > <xsl:import href="general.xsl"/> > <xsl:import href="widgets.xsl"/> > <xsl:import href="site.xsl"/> > > </xsl:stylesheet> > > First thing to note is that foo.xhtml could have style and script > information itself. The second thing to note is that any of the imported > xsl files in foo.xsl could add style and script information that their > custom widgets might need. > > My goal is to encapsulate the external dependencies that each imported > xsl file needs so that all I have to do is import the xsl file. The > imported style will take care of adding those dependencies to the header. > > Any suggestions? > > Eric > You should use a namespace for your controls: like this: <?xml version="1.0" encoding="ISO-8859-1"?> <?xml-stylesheet type="text/xsl" href="/structure/foo.xsl"?> <html xmlns:widgets="http://www.yourpage.com/namespace">> <head> <title>My title</title> <link rel="stylesheet" type="text/css" href="/style/foo.css"/> </head> <body> <widgets:specialwidget/> </body> </html> And your xsl could match widges:specialwidget Hope you understand. Learn more about namespaces too, its really cool Tjerk Wolterink |
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