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Viewing changes to ivle/webapp/base/overlays.py

  • Committer: Matt Giuca
  • Date: 2009-02-24 04:44:52 UTC
  • mto: This revision was merged to the branch mainline in revision 1119.
  • Revision ID: matt.giuca@gmail.com-20090224044452-km2gcpvsqsoud0up
image-source/title.svg: Shrunk title to 42px (not 50px). This allows us to
    shrink the whole top bar.
ivle/webapp/coremedia/images/chrome/title.png: Updated from SVG.
ivle/webapp/coremedia/ivle.css: Shrunk header bar to 4em from 5.3em.

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ivle/webapp/base/overlays.py
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import genshi
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from ivle.webapp.base.xhtml import GenshiLoaderMixin
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class BaseOverlay(object):
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    """Abstract base class for all overlays."""
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    plugin_scripts = {}
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    def render(self, req):
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        raise NotImplementedError()
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class XHTMLOverlay(GenshiLoaderMixin, BaseOverlay):
 
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class XHTMLOverlay(BaseOverlay):
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    """Abstract base class for XHTML overlays.
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    An overlay which provides a base class for overlays which need to return 
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    XHTML. It is expected that apps which use this overlay will be written using
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    Genshi templates.
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    """
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    template = 'template.html'
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    def render(self, req):
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        """Renders an XML stream from the template for this overlay."""
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        ctx = genshi.template.Context()
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        # This is where the sub-class is actually called
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        self.populate(req, ctx)
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        # Renders out the template.
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        template_path = os.path.join(os.path.dirname(
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                        inspect.getmodule(self).__file__), self.template)
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        tmpl = self._loader.load(template_path)
 
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        loader = genshi.template.TemplateLoader(".", auto_reload=True)
 
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        tmpl = loader.load(template_path)
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        return tmpl.generate(ctx)
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    def populate(self, req, ctx):
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        raise NotImplementedError()