# . [ 'SliceList', 'TabbedView' ] : to debug these classes
# . True : to debug all plugin
-DEBUG= [ 'Tabs' ]
+DEBUG= False
+DEBUG= [ 'SimpleList' ]
class Plugin:
#
def __init__ (self, title, domid=None,
visible=True, togglable=True, toggled=True, **settings):
- # what is in this dictionary will get exposed to template and to javascript
- self._settings=settings
self.title=title
if not domid: domid=Plugin.newdomid()
self.domid=domid
self.classname=self._classname()
- self.add_to_settings ( ['title', 'domid', 'classname'] )
self.visible=visible
self.togglable=togglable
self.toggled=toggled
- self.add_to_settings( ['visible','togglable','toggled'] )
- # we store as a dictionary the arguments passed to constructor
- # e.g. SimpleList (list=[1,2,3]) => _settings = { 'list':[1,2,3] }
- # our own settings are not made part of _settings but could be..
+ # what comes from subclasses
+ for (k,v) in settings.iteritems():
+ setattr(self,k,v)
+ if self.need_debug(): print "%s init - subclass setting %s"%(self.classname,k)
+ # minimal debugging
if self.need_debug():
- print "Plugin.__init__ Created plugin with settings %s"%self._settings.keys()
-
- # subclasses might handle some fields in their own way,
- # in which case this call is needed to capture that setting
- # see e.g. SimpleList or SliceList for an example of that
- def add_to_settings (self, setting_name_s):
- if not isinstance (setting_name_s, list):
- self._settings[setting_name_s]=getattr(self,setting_name_s)
- else:
- for setting_name in setting_name_s:
- self._settings[setting_name]=getattr(self,setting_name)
+ print "%s init dbg .... BEG"%self.classname
+ for (k,v) in self.__dict__.items(): print "dbg %s:%s"%(k,v)
+ print "%s init dbg .... END"%self.classname
def _classname (self):
try: return self.__class__.__name__
except: return 'Plugin'
- # shorthands to inspect _settings
- def get_setting (self, setting, default=None):
- if setting not in self._settings: return default
- else: return self._settings[setting]
-
##########
def need_debug (self):
if not DEBUG: return False
if DEBUG is True: return True
else: return self.classname in DEBUG
+ def setting_json (self, setting):
+ # TMP: js world expects plugin_uuid
+ if setting=='plugin_uuid':
+ value=self.domid
+ elif setting=='query_uuid':
+ try: value=self.query.uuid
+ except: return '%s:"undefined"'%setting
+ else:
+ value=getattr(self,setting,None)
+ if not value: value = "unknown-setting-%s"%setting
+ # first try to use to_json method (json.dumps not working on class instances)
+ try: value_json=value.to_json()
+ except: value_json=json.dumps(value,separators=(',',':'))
+ return "%s:%s"%(setting,value_json)
+
+ # expose in json format to js the list of fields as described in json_settings_list()
+ # and add plugin_uuid: domid in the mix
+ # NOTE this plugin_uuid thing might occur in js files from joomla/js, ** do not rename **
+ def settings_json (self):
+ result = "{"
+ result += ",".join([ self.setting_json(setting) for setting in self.json_settings_list() ])
+ result += "}"
+ return result
+
# returns the html code for that plugin
# in essence, wraps the results of self.render_content ()
def render (self, request):
# shove this into plugin.html
env = {}
env ['plugin_content']= plugin_content
- env.update(self._settings)
+ env.update(self.__dict__)
result = render_to_string ('plugin.html',env)
- # expose _settings in json format to js, and add plugin_uuid: domid in the mix
- # NOTE this plugin_uuid thing might occur in js files, ** do not rename **
- js_env = { 'plugin_uuid' : self.domid }
- js_env.update (self._settings)
- for k in self.exclude_from_json():
- if k in js_env: del js_env[k]
- settings_json = json.dumps (js_env, separators=(',',':'))
- env ['settings_json' ] = settings_json
- # compute plugin-specific initialization
- js_init = render_to_string ( 'plugin-setenv.js', env )
- print 'js_init',js_init
- self.add_js_chunks (request, js_init)
+ # as a first approximation we're only concerned with plugins that are associated with a query
+ # other simpler plugins that only deal with layout do not need this
+ if 'query' in self.__dict__:
+ env ['settings_json' ] = self.settings_json()
+ # compute plugin-specific initialization
+ js_init = render_to_string ( 'plugin-setenv.js', env )
+ self.add_js_chunks (request, js_init)
# interpret the result of requirements ()
self.handle_requirements (request)
env=self.template_env(request)
if not isinstance (env,dict):
raise Exception, "%s.template_env returns wrong type"%self.classname
- # expose this class's settings to the template
- # xxx we might need to check that this does not overwrite env..
- env.update(self._settings)
result=render_to_string (template, env)
if self.need_debug():
print "%s.render_content: BEG --------------------"%self.classname
# 'css_chunk': [], # likewise for css scripts
# }
- # for better performance
- # you can specify a list of keys that won't be exposed as json attributes
- def exclude_from_json (self): return []
+# # for better performance
+# # you can specify a list of keys that won't be exposed as json attributes
+# def exclude_from_json (self): return []
+
+ # mandatory : define the fields that need to be exposed to json as part of
+ # plugin initialization
+ # mention 'domid' if you need plugin_uuid
+ # also 'query_uuid' gets replaced with query.uuid
+ def json_settings_list (self): return ['json_settings_list-must-be-redefined']
+