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

Merge from object-publishing.

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ivle/webapp/base/xhtml.py
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from ivle.webapp.base.views import BaseView
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from ivle.webapp.base.plugins import ViewPlugin, OverlayPlugin
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from ivle.webapp.errors import HTTPError, Unauthorized
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from ivle.webapp.routing import NoPath
 
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from ivle.webapp.publisher import NoPath
 
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from ivle.webapp.breadcrumbs import Breadcrumber
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class XHTMLView(BaseView):
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    """
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    """
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    template = 'template.html'
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    plugin_scripts = {}
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    plugin_styles = {}
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    scripts_init = []
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    allow_overlays = True
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    overlay_blacklist = []
 
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    def __init__(self, *args, **kwargs):
 
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        super(XHTMLView, self).__init__(*args, **kwargs)
 
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        self.overlay_blacklist = []
 
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        self.plugin_scripts = {}
 
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        self.plugin_styles = {}
 
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        self.scripts_init = []
 
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        self.extra_breadcrumbs = []
 
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        self.overlay_blacklist = []
 
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    def get_context_ancestry(self, req):
 
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        return req.publisher.get_ancestors(self.context)
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    def filter(self, stream, ctx):
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        return stream
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        ctx['title_img'] = media_url(req, CorePlugin,
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                                     "images/chrome/root-breadcrumb.png")
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        try:
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            ctx['ancestry'] = req.router.get_ancestors(self.context)
 
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            ctx['ancestry'] = self.get_context_ancestry(req)
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        except NoPath:
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            ctx['ancestry'] = []
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        ctx['breadcrumb_text'] = lambda x: x # TODO: Do it properly.
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        ctx['url'] = req.router.generate
 
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        # Allow the view to add its own fake breadcrumbs.
 
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        ctx['extra_breadcrumbs'] = self.extra_breadcrumbs
 
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        ctx['crumb'] = Breadcrumber(req).crumb
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        self.populate_headings(req, ctx)
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        tmpl = loader.load(os.path.join(os.path.dirname(__file__), 
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                                                        'ivle-headings.html'))
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class XHTMLErrorView(XHTMLView):
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    template = 'xhtmlerror.html'
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    def __init__(self, req, context, lastobj):
 
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        super(XHTMLErrorView, self).__init__(req, context)
 
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        self.lastobj = lastobj
 
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    def get_context_ancestry(self, req):
 
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        return req.publisher.get_ancestors(self.lastobj)
 
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    def populate(self, req, ctx):
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        ctx['req'] = req
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        ctx['exception'] = self.context
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class XHTMLUnauthorizedView(XHTMLErrorView):
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    template = 'xhtmlunauthorized.html'
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    def __init__(self, req, exception):
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        super(XHTMLUnauthorizedView, self).__init__(req, exception)
 
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    def __init__(self, req, exception, lastobj):
 
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        super(XHTMLUnauthorizedView, self).__init__(req, exception, lastobj)
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        if req.user is None:
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            # Not logged in. Redirect to login page.