remove unneeded del...
[enigma2.git] / lib / python / Components / ConfigList.py
index 649fa92306b54ffacb87efa0b43928f3df133b4c..00949e2fe49943ec38985ed151bddc467b26835b 100644 (file)
@@ -1,27 +1,31 @@
-from HTMLComponent import *
-from GUIComponent import *
-from config import KEY_LEFT, KEY_RIGHT, KEY_0, KEY_DELETE, KEY_OK, KEY_TIMEOUT
+from HTMLComponent import HTMLComponent
+from GUIComponent import GUIComponent
+from config import KEY_LEFT, KEY_RIGHT, KEY_HOME, KEY_END, KEY_0, KEY_DELETE, KEY_BACKSPACE, KEY_OK, KEY_TOGGLEOW, KEY_ASCII, KEY_TIMEOUT, KEY_NUMBERS, ConfigElement
 from Components.ActionMap import NumberActionMap
-from enigma import eListbox, eListboxPythonConfigContent, eTimer
+from enigma import eListbox, eListboxPythonConfigContent, eRCInput, eTimer
+from Screens.MessageBox import MessageBox
 
 class ConfigList(HTMLComponent, GUIComponent, object):
        def __init__(self, list, session = None):
                GUIComponent.__init__(self)
                self.l = eListboxPythonConfigContent()
-               self.l.setSeperation(100)
+               self.l.setSeperation(200)
+               self.timer = eTimer()
                self.list = list
                self.onSelectionChanged = [ ]
                self.current = None
-               self.help_window = None
-               self.setHelpWindowSession(session)
-               
-               self.timer = eTimer()
-               self.timer.timeout.get().append(self.timeout)
-       
-       def setHelpWindowSession(self, session):
-               assert self.help_window is None, "you can't move a help window to another session"
                self.session = session
 
+       def execBegin(self):
+               rcinput = eRCInput.getInstance()
+               rcinput.setKeyboardMode(rcinput.kmAscii)
+               self.timer.callback.append(self.timeout)
+
+       def execEnd(self):
+               rcinput = eRCInput.getInstance()
+               rcinput.setKeyboardMode(rcinput.kmNone)
+               self.timer.callback.remove(self.timeout)
+
        def toggle(self):
                selection = self.getCurrent()
                selection[1].toggle()
@@ -29,51 +33,61 @@ class ConfigList(HTMLComponent, GUIComponent, object):
 
        def handleKey(self, key):
                selection = self.getCurrent()
-               if selection[1].enabled:
+               if selection and selection[1].enabled:
                        selection[1].handleKey(key)
                        self.invalidateCurrent()
-                       if self.help_window:
-                               self.help_window.update(selection[1])
-               if key not in [KEY_TIMEOUT, KEY_LEFT, KEY_RIGHT, KEY_DELETE, KEY_OK]:
-                       self.timer.start(1000, 1)
+                       if key in KEY_NUMBERS:
+                               self.timer.start(1000, 1)
 
        def getCurrent(self):
                return self.l.getCurrentSelection()
        
+       def getCurrentIndex(self):
+               return self.l.getCurrentSelectionIndex()
+       
+       def setCurrentIndex(self, index):
+               if self.instance is not None:
+                       self.instance.moveSelectionTo(index)
+       
        def invalidateCurrent(self):
                self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
-               
+
        def invalidate(self, entry):
-               self.l.invalidateEntry(self.__list.index(entry))
+               # when the entry to invalidate does not exist, just ignore the request.
+               # this eases up conditional setup screens a lot.
+               if entry in self.__list:
+                       self.l.invalidateEntry(self.__list.index(entry))
 
        GUI_WIDGET = eListbox
        
        def selectionChanged(self):
-               n = self.getCurrent()
-               
-               if self.help_window:
-                       self.session.deleteDialog(self.help_window)
-               
-               nh = n and n[1].helpWindow()
-               if nh is not None and self.session is not None:
-                       self.help_window = self.session.instantiateDialog(*nh)
-                       self.help_window.show()
-
-               self.current = n
+               if self.current:
+                       self.current[1].onDeselect(self.session)
+               self.current = self.getCurrent()
+               if self.current:
+                       self.current[1].onSelect(self.session)
                for x in self.onSelectionChanged:
                        x()
 
        def postWidgetCreate(self, instance):
-               instance.setContent(self.l)
                instance.selectionChanged.get().append(self.selectionChanged)
+               instance.setContent(self.l)
        
        def preWidgetRemove(self, instance):
+               if self.current:
+                       self.current[1].onDeselect(self.session)
                instance.selectionChanged.get().remove(self.selectionChanged)
+               instance.setContent(None)
        
-       def setList(self, list):
-               self.__list = list
+       def setList(self, l):
+               self.timer.stop()
+               self.__list = l
                self.l.setList(self.__list)
 
+               if l is not None:
+                       for x in l:
+                               assert isinstance(x[1], ConfigElement), "entry in ConfigList " + str(x[1]) + " must be a ConfigElement"
+
        def getList(self):
                return self.__list
 
@@ -82,14 +96,26 @@ class ConfigList(HTMLComponent, GUIComponent, object):
        def timeout(self):
                self.handleKey(KEY_TIMEOUT)
 
+       def isChanged(self):
+               is_changed = False
+               for x in self.list:
+                       is_changed |= x[1].isChanged()
+
+               return is_changed
+
 class ConfigListScreen:
-       def __init__(self, list, session = None):
-               self["config_actions"] = NumberActionMap(["SetupActions", "TextInputActions"],
+       def __init__(self, list, session = None, on_change = None):
+               self["config_actions"] = NumberActionMap(["SetupActions", "InputAsciiActions", "KeyboardInputActions"],
                {
+                       "gotAsciiCode": self.keyGotAscii,
                        "ok": self.keyOK,
                        "left": self.keyLeft,
                        "right": self.keyRight,
-                       "delete": self.keyDelete,
+                       "home": self.keyHome,
+                       "end": self.keyEnd,
+                       "deleteForward": self.keyDelete,
+                       "deleteBackward": self.keyBackspace,
+                       "toggleOverwrite": self.keyToggleOW,
                        "1": self.keyNumberGlobal,
                        "2": self.keyNumberGlobal,
                        "3": self.keyNumberGlobal,
@@ -100,21 +126,73 @@ class ConfigListScreen:
                        "8": self.keyNumberGlobal,
                        "9": self.keyNumberGlobal,
                        "0": self.keyNumberGlobal
-               }, -5)
-
+               }, -1) # to prevent left/right overriding the listbox
+               
                self["config"] = ConfigList(list, session = session)
+               if on_change is not None:
+                       self.__changed = on_change
+               else:
+                       self.__changed = lambda: None
 
        def keyOK(self):
                self["config"].handleKey(KEY_OK)
 
        def keyLeft(self):
                self["config"].handleKey(KEY_LEFT)
+               self.__changed()
 
        def keyRight(self):
                self["config"].handleKey(KEY_RIGHT)
+               self.__changed()
+
+       def keyHome(self):
+               self["config"].handleKey(KEY_HOME)
+               self.__changed()
+
+       def keyEnd(self):
+               self["config"].handleKey(KEY_END)
+               self.__changed()
 
        def keyDelete(self):
                self["config"].handleKey(KEY_DELETE)
+               self.__changed()
+
+       def keyBackspace(self):
+               self["config"].handleKey(KEY_BACKSPACE)
+               self.__changed()
+
+       def keyToggleOW(self):
+               self["config"].handleKey(KEY_TOGGLEOW)
+               self.__changed()
+
+       def keyGotAscii(self):
+               self["config"].handleKey(KEY_ASCII)
+               self.__changed()
 
        def keyNumberGlobal(self, number):
                self["config"].handleKey(KEY_0 + number)
+               self.__changed()
+               
+       def saveAll(self):
+               for x in self["config"].list:
+                       x[1].save()
+
+       # keySave and keyCancel are just provided in case you need them.
+       # you have to call them by yourself.
+       def keySave(self):
+               self.saveAll()
+               self.close()
+       
+       def cancelConfirm(self, result):
+               if not result:
+                       return
+
+               for x in self["config"].list:
+                       x[1].cancel()
+               self.close()
+
+       def keyCancel(self):
+               if self["config"].isChanged():
+                       self.session.openWithCallback(self.cancelConfirm, MessageBox, _("Really close without saving settings?"))
+               else:
+                       self.close()