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

  • Committer: William Grant
  • Date: 2009-05-18 12:06:46 UTC
  • Revision ID: grantw@unimelb.edu.au-20090518120646-0eai5fec2kacbav3
Replace SubversionLogView's "Subversion Log" titles with more BrowserView-esque ones.

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ivle/webapp/base/xhtml.py
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import inspect
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import os.path
 
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import urllib
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import genshi.template
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from ivle.webapp.media import media_url
 
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from ivle.webapp.core import Plugin as CorePlugin
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from ivle.webapp.base.views import BaseView
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from ivle.webapp.base.plugins import OverlayPlugin
 
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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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import ivle.conf
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import ivle.util
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class XHTMLView(BaseView):
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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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    allow_overlays = True
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    overlay_blacklist = []
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    def __init__(self, req, **kwargs):
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        for key in kwargs:
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            setattr(self, key, kwargs[key])
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    def filter(self, stream, ctx):
 
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        return stream
 
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    def render(self, req):
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        req.content_type = 'text/html' # TODO: Detect application/xhtml+xml
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        # view.
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        app_template = os.path.join(os.path.dirname(
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                        inspect.getmodule(self).__file__), self.template) 
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        req.write_html_head_foot = False
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        loader = genshi.template.TemplateLoader(".", auto_reload=True)
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        tmpl = loader.load(app_template)
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        app = tmpl.generate(viewctx)
 
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        app = self.filter(tmpl.generate(viewctx), viewctx)
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        for plugin in self.plugin_scripts:
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            for path in self.plugin_scripts[plugin]:
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        # Global template
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        ctx = genshi.template.Context()
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        # XXX: Leave this here!! (Before req.styles is read)
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        ctx['overlays'] = self.render_overlays(req)
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        ctx['app_styles'] = req.styles
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        ctx['scripts'] = req.scripts
 
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        ctx['overlays'] = self.render_overlays(req) if req.user else []
 
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        ctx['styles'] = [media_url(req, CorePlugin, 'ivle.css')]
 
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        ctx['styles'] += req.styles
 
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        ctx['scripts'] = [media_url(req, CorePlugin, path) for path in
 
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                           ('util.js', 'json2.js', 'md5.js')]
 
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        ctx['scripts'].append(media_url(req, '+external/jquery', 'jquery.js'))
 
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        ctx['scripts'] += req.scripts
 
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        ctx['scripts_init'] = req.scripts_init
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        ctx['app_template'] = app
 
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        ctx['title_img'] = media_url(req, CorePlugin,
 
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                                     "images/chrome/title.png")
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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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    def populate_headings(self, req, ctx):
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        ctx['favicon'] = None
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        ctx['root_dir'] = ivle.conf.root_dir
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        ctx['public_host'] = ivle.conf.public_host
 
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        ctx['root_dir'] = req.config['urls']['root']
 
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        ctx['public_host'] = req.config['urls']['public_host']
 
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        ctx['svn_base'] = req.config['urls']['svn_addr']
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        ctx['write_javascript_settings'] = req.write_javascript_settings
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        if req.user:
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            ctx['login'] = req.user.login
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            ctx['login'] = None
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            ctx['logged_in'] = False
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        ctx['publicmode'] = req.publicmode
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        ctx['apps_in_tabs'] = []
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        if hasattr(self, 'help'):
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            ctx['help_path'] = self.help
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        for urlname in ivle.conf.apps.apps_in_tabs:
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            new_app = {}
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            app = ivle.conf.apps.app_url[urlname]
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            new_app['this_app'] = hasattr(self, 'appname') \
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                                  and urlname == self.appname
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            if app.icon:
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                new_app['has_icon'] = True
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                icon_dir = ivle.conf.apps.app_icon_dir
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                icon_url = ivle.util.make_path(os.path.join(icon_dir, app.icon))
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                new_app['icon_url'] = icon_url
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                if new_app['this_app']:
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                    ctx['favicon'] = icon_url
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            else:
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                new_app['has_icon'] = False
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            new_app['path'] = ivle.util.make_path(urlname)
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            new_app['desc'] = app.desc
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            new_app['name'] = app.name
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            ctx['apps_in_tabs'].append(new_app)
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        ctx['apps_in_tabs'] = []
 
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        for plugin in req.config.plugin_index[ViewPlugin]:
 
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            if not hasattr(plugin, 'tabs'):
 
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                continue
 
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            for tab in plugin.tabs:
 
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                # tab is a tuple: name, title, desc, icon, path
 
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                new_app = {}
 
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                new_app['this_app'] = hasattr(self, 'tab') \
 
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                                      and tab[0] == self.tab
 
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                # Icon name
 
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                if tab[3] is not None:
 
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                    new_app['has_icon'] = True
 
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                    icon_url = media_url(req, plugin, tab[3])
 
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                    new_app['icon_url'] = icon_url
 
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                    if new_app['this_app']:
 
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                        ctx['favicon'] = icon_url
 
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                else:
 
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                    new_app['has_icon'] = False
 
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                new_app['path'] = req.make_path(tab[4])
 
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                new_app['desc'] = tab[2]
 
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                new_app['name'] = tab[1]
 
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                new_app['weight'] = tab[5]
 
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                ctx['apps_in_tabs'].append(new_app)
 
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        ctx['apps_in_tabs'].sort(key=lambda tab: tab['weight'])
 
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    def render_overlays(self, req):
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        """Generate XML streams for the overlays.
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        scripts_init.
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        """
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        overlays = []
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        for plugin in req.plugin_index[OverlayPlugin]:
 
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        if not self.allow_overlays:
 
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            return overlays
 
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        for plugin in req.config.plugin_index[OverlayPlugin]:
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            for overclass in plugin.overlays:
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                if overclass in self.overlay_blacklist:
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                    continue
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    def __init__(self, req, exception):
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        super(XHTMLUnauthorizedView, self).__init__(req, exception)
 
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        if req.user is None:
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            # Not logged in. Redirect to login page.
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            req.throw_redirect('/') # XXX: Need proper URL.
 
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            if req.uri == '/':
 
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                query_string = ''
 
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            else:
 
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                query_string = '?url=' + urllib.quote(req.uri, safe="/~")
 
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            req.throw_redirect('/+login' + query_string)
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        req.status = 403