add ability to filter by tag. they must be created by hand right now.
[enigma2.git] / lib / python / Components / MovieList.py
index 1a61d20..fca96e2 100644 (file)
@@ -14,6 +14,7 @@ class MovieList(HTMLComponent, GUIComponent):
        def __init__(self, root):
                GUIComponent.__init__(self)
                self.l = eListboxPythonMultiContent()
+               self.tags = set()
                if root is not None:
                        self.reload(root)
                self.l.setFont(0, gFont("Regular", 22))
@@ -73,11 +74,11 @@ class MovieList(HTMLComponent, GUIComponent):
                instance.setContent(self.l)
                instance.setItemHeight(75)
        
-       def reload(self, root = None):
+       def reload(self, root = None, filter_tags = None):
                if root is not None:
-                       self.load(root)
+                       self.load(root, filter_tags)
                else:
-                       self.load(self.root)
+                       self.load(self.root, filter_tags)
                self.l.setList(self.list)
 
        def removeService(self, service):
@@ -95,7 +96,7 @@ class MovieList(HTMLComponent, GUIComponent):
                        self.list[index] = (x[0], x[1], x[2], x[1].getLength(x[0]))
                        self.l.invalidateEntry(index)
 
-       def load(self, root):
+       def load(self, root, filter_tags):
                # this lists our root service, then building a 
                # nice list
                
@@ -105,6 +106,8 @@ class MovieList(HTMLComponent, GUIComponent):
                self.serviceHandler = eServiceCenter.getInstance()
                list = self.serviceHandler.list(root)
                
+               tags = set()
+               
                if list is None:
                        raise "listing of movies failed"
 
@@ -118,9 +121,28 @@ class MovieList(HTMLComponent, GUIComponent):
                        if info is None:
                                continue
                        begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
+                       
+                       # convert space-seperated list of tags into a set
+                       this_tags = info.getInfoString(serviceref, iServiceInformation.sTags).split(' ')
+                       if this_tags == ['']:
+                               this_tags = []
+                       this_tags = set(this_tags)
+                       
+                       # filter_tags is either None (which means no filter at all), or 
+                       # a set. In this case, all elements of filter_tags must be present,
+                       # otherwise the entry will be dropped.                  
+                       if filter_tags is not None and not this_tags.issuperset(filter_tags):
+                               continue
+                       
+                       tags |= this_tags
                        self.list.append((serviceref, info, begin, -1))
                
+               # sort: key is 'begin'
                self.list.sort(key=lambda x: -x[2])
+               
+               # finally, store a list of all tags which were found. these can be presented
+               # to the user to filter the list
+               self.tags = tags
 
        def moveTo(self, serviceref):
                found = 0