add ability to filter by tag. they must be created by hand right now.
[enigma2.git] / lib / python / Components / config.py
index 07186157768d97b9450cac0c67ee01a956b2e80f..3c01794ab0fdcf92e15a85313a9caae7ad434262 100644 (file)
@@ -26,6 +26,7 @@ import copy
 #
 class ConfigElement(object):
        def __init__(self):
+
                object.__init__(self)
                self.saved_value = None
                self.save_disabled = False
@@ -66,23 +67,29 @@ class ConfigElement(object):
        def cancel(self):
                self.load()
 
+       def isChanged(self):
+               if self.saved_value is None and self.value == self.default:
+                       return False
+               return self.tostring(self.value) != self.saved_value
+
        def changed(self):
                for x in self.notifiers:
                        x(self)
                        
-       def addNotifier(self, notifier):
+       def addNotifier(self, notifier, initial_call = True):
                assert callable(notifier), "notifiers must be callable"
                self.notifiers.append(notifier)
-               
+
                # CHECKME:
                # do we want to call the notifier
-               #  - at all when adding it? (yes)
+               #  - at all when adding it? (yes, though optional)
                #  - when the default is active? (yes)
                #  - when no value *yet* has been set,
                #    because no config has ever been read (currently yes)
                #    (though that's not so easy to detect.
                #     the entry could just be new.)
-               notifier(self)
+               if initial_call:
+                       notifier(self)
 
        def disableSave(self):
                self.save_disabled = True
@@ -158,11 +165,18 @@ class ConfigSelection(ConfigElement):
                self.changed()
 
        def tostring(self, val):
-               return (val, ','.join(self.choices))
+               return val
 
        def getValue(self):
                return self._value
 
+       def setCurrentText(self, text):
+               i = self.choices.index(self.value)
+               del self.description[self.choices[i]]
+               self.choices[i] = text
+               self.description[text] = text
+               self._value = text
+
        value = property(getValue, setValue)
        
        def getIndex(self):
@@ -179,8 +193,17 @@ class ConfigSelection(ConfigElement):
                elif key == KEY_RIGHT:
                        self.value = self.choices[(i + 1) % nchoices]
 
+       def getText(self):
+               descr = self.description[self.value]
+               if len(descr):
+                       return _(descr)
+               return descr
+
        def getMulti(self, selected):
-               return ("text", self.description[self.value])
+               descr = self.description[self.value]
+               if len(descr):
+                       return ("text", _(descr))
+               return ("text", descr)
 
        # HTML
        def getHTML(self, id):
@@ -211,10 +234,19 @@ class ConfigBoolean(ConfigElement):
                if key in [KEY_LEFT, KEY_RIGHT]:
                        self.value = not self.value
 
+       def getText(self):
+               descr = self.descriptions[self.value]
+               if len(descr):
+                       return _(descr)
+               return descr
+
        def getMulti(self, selected):
-               return ("text", _(self.descriptions[self.value]))
+               descr = self.descriptions[self.value]
+               if len(descr):
+                       return ("text", _(descr))
+               return ("text", descr)
 
-       def tostring(self, value):
+       def tostring(self, value):
                if not value:
                        return "false"
                else:
@@ -265,6 +297,9 @@ class ConfigDateTime(ConfigElement):
                if key == KEY_RIGHT:
                        self.value = self.value + self.increment
 
+       def getText(self):
+               return time.strftime(self.formatstring, time.localtime(self.value))
+
        def getMulti(self, selected):
                return ("text", time.strftime(self.formatstring, time.localtime(self.value)))
 
@@ -367,8 +402,8 @@ class ConfigSequence(ConfigElement):
                
                        self.validate()
                        self.changed()
-                       
-       def getMulti(self, selected):
+       
+       def genText(self):
                value = ""
                mPos = self.marked_pos
                num = 0;
@@ -381,9 +416,16 @@ class ConfigSequence(ConfigElement):
                        if self.censor_char == "":
                                value += ("%0" + str(len(str(self.limits[num][1]))) + "d") % i
                        else:
-                               value += (self.censorChar * len(str(self.limits[num][1])))
+                               value += (self.censor_char * len(str(self.limits[num][1])))
                        num += 1
-
+               return (value, mPos)
+               
+       def getText(self):
+               (value, mPos) = self.genText()
+               return value
+       
+       def getMulti(self, selected):
+               (value, mPos) = self.genText()
                        # only mark cursor when we are selected
                        # (this code is heavily ink optimized!)
                if self.enabled:
@@ -414,10 +456,12 @@ class ConfigPosition(ConfigSequence):
 
 class ConfigClock(ConfigSequence):
        def __init__(self, default):
-               ConfigSequence.__init__(self, seperator = ":", limits = [(0,23),(0,59)], default = default)
+               import time
+               t = time.localtime(default)
+               ConfigSequence.__init__(self, seperator = ":", limits = [(0,23),(0,59)], default = [t.tm_hour, t.tm_min])
 
 class ConfigInteger(ConfigSequence):
-       def __init__(self, default, limits):
+       def __init__(self, default, limits = (0, 10000000000)):
                ConfigSequence.__init__(self, seperator = ":", limits = [limits], default = default)
        
        # you need to override this to do input validation
@@ -436,9 +480,16 @@ class ConfigInteger(ConfigSequence):
        def tostring(self, value):
                return str(value)
 
-class ConfigPIN(ConfigSequence):
+class ConfigPIN(ConfigInteger):
        def __init__(self, default, len = 4, censor = ""):
-               ConfigSequence.__init__(self, seperator = ":", limits = [(0, (10**len)-1)], censor_char = censor, default = [default])
+               assert isinstance(default, int), "ConfigPIN default must be an integer"
+               if default == -1:
+                       default = "aaaa"
+               ConfigSequence.__init__(self, seperator = ":", limits = [(0, (10**len)-1)], censor_char = censor, default = default)
+               self.len = len
+
+       def getLength(self):
+               return self.len
 
 class ConfigFloat(ConfigSequence):
        def __init__(self, default, limits):
@@ -483,7 +534,7 @@ class ConfigText(ConfigElement, NumericalTextInput):
                                        self.text = self.text.ljust(len(self.text) + 1)
                elif key in KEY_NUMBERS:
                        number = self.getKey(getKeyNumber(key))
-                       self.text = self.text[0:self.marked_pos] + str(number) + self.text[self.marked_pos + 1:]
+                       self.text = self.text[0:self.marked_pos] + unicode(number) + self.text[self.marked_pos + 1:]
                elif key == KEY_TIMEOUT:
                        self.timeout()
                        return
@@ -509,6 +560,9 @@ class ConfigText(ConfigElement, NumericalTextInput):
        value = property(getValue, setValue)
        _value = property(getValue, setValue)
 
+       def getText(self):
+               return self.value
+
        def getMulti(self, selected):
                return ("mtext"[1-selected:], self.value, [self.marked_pos])
 
@@ -549,6 +603,9 @@ class ConfigSlider(ConfigElement):
                self.checkValues()
                self.changed()
 
+       def getText(self):
+               return "%d / %d" % (self.value, self.max)
+
        def getMulti(self, selected):
                self.checkValues()
                return ("slider", self.value, self.max)
@@ -571,7 +628,7 @@ class ConfigSatlist(ConfigSelection):
        orbital_position = property(getOrbitalPosition)
 
 # nothing.
-class ConfigDummy(ConfigSelection):
+class ConfigNothing(ConfigSelection):
        def __init__(self):
                ConfigSelection.__init__(self, choices = [""])
 
@@ -697,6 +754,7 @@ class ConfigSubsection(object):
        def __setattr__(self, name, value):
                if name == "saved_value":
                        return self.setSavedValue(value)
+               assert isinstance(value, ConfigSubsection) or isinstance(value, ConfigElement) or isinstance(value, ConfigSubList) or isinstance(value, ConfigSubDict), "ConfigSubsections can only store ConfigSubsections, ConfigSubLists, ConfigSubDicts or ConfigElements"
                self.content.items[name] = value
                if name in self.content.stored_values:
                        #print "ok, now we have a new item,", name, "and have the following value for it:", self.content.stored_values[name]
@@ -711,6 +769,9 @@ class ConfigSubsection(object):
                for (key, val) in self.content.items.items():
                        if val.saved_value is not None:
                                res[key] = val.saved_value
+                       elif key in res:
+                               del res[key]
+                               
                return res
 
        def setSavedValue(self, values):
@@ -781,7 +842,8 @@ class Config(ConfigSubsection):
 
                # we inherit from ConfigSubsection, so ...
                #object.__setattr__(self, "saved_value", tree["config"])
-               self.setSavedValue(tree["config"])
+               if "config" in tree:
+                       self.setSavedValue(tree["config"])
 
        def saveToFile(self, filename):
                f = open(filename, "w")
@@ -797,7 +859,7 @@ config = Config()
 config.misc = ConfigSubsection()
 
 class ConfigFile:
-       CONFIG_FILE = resolveFilename(SCOPE_CONFIG, "config2")
+       CONFIG_FILE = resolveFilename(SCOPE_CONFIG, "settings")
 
        def load(self):
                try:
@@ -806,11 +868,26 @@ class ConfigFile:
                        print "unable to load config (%s), assuming defaults..." % str(e)
        
        def save(self):
-               config.save()
+#              config.save()
                config.saveToFile(self.CONFIG_FILE)
        
+       def __resolveValue(self, pickles, cmap):
+               if cmap.has_key(pickles[0]):
+                       if len(pickles) > 1:
+                               return self.__resolveValue(pickles[1:], cmap[pickles[0]].content.items)
+                       else:
+                               return str(cmap[pickles[0]].value)
+               return None
+       
        def getResolvedKey(self, key):
-               return None # FIXME
+               names = key.split('.')
+               if len(names) > 1:
+                       if names[0] == "config":
+                               ret=self.__resolveValue(names[1:], config.content.items)
+                               if ret and len(ret):
+                                       return ret
+               print "getResolvedKey", key, "failed !! (Typo??)"
+               return ""
 
 def NoSave(element):
        element.disableSave()
@@ -820,8 +897,9 @@ configfile = ConfigFile()
 
 configfile.load()
 
-def getConfigListEntry(desc, config):
-       return (desc, config)
+def getConfigListEntry(*args):
+       assert len(args) > 1, "getConfigListEntry needs a minimum of two arguments (descr, configElement)"
+       return args
 
 #def _(x):
 #      return x