+#
+# Generic Screen to select a path/filename combination
+#
+
+# GUI (Screens)
+from Screens.Screen import Screen
+from Screens.MessageBox import MessageBox
+from Screens.InputBox import InputBox
+
+# Generic
+from Tools.BoundFunction import boundFunction
+
+# Quickselect
+from Tools.NumericalTextInput import NumericalTextInput
+
+# GUI (Components)
+from Components.ActionMap import NumberActionMap
+from Components.Label import Label
+from Components.Pixmap import Pixmap
+from Components.Button import Button
+from Components.FileList import FileList
+
+# Timer
+from enigma import eTimer
+
+class LocationBox(Screen, NumericalTextInput):
+ """Simple Class similar to MessageBox / ChoiceBox but used to choose a folder/pathname combination"""
+
+ skin = """<screen name="LocationBox" position="100,130" size="540,340" >
+ <widget name="text" position="0,2" size="540,22" font="Regular;22" />
+ <widget name="filelist" position="0,25" size="540,235" />
+ <widget name="target" position="0,260" size="540,40" valign="center" font="Regular;22" />
+ <widget name="yellow" position="260,300" zPosition="1" size="140,40" pixmap="skin_default/key-yellow.png" transparent="1" alphatest="on" />
+ <widget name="key_yellow" position="260,300" zPosition="2" size="140,40" halign="center" valign="center" font="Regular;22" transparent="1" shadowColor="black" shadowOffset="-1,-1" />
+ <widget name="green" position="400,300" zPosition="1" size="140,40" pixmap="skin_default/key-green.png" transparent="1" alphatest="on" />
+ <widget name="key_green" position="400,300" zPosition="2" size="140,40" halign="center" valign="center" font="Regular;22" transparent="1" shadowColor="black" shadowOffset="-1,-1" />
+ </screen>"""
+
+ def __init__(self, session, text = "", filename = "", currDir = None, windowTitle = _("Select Location"), minFree = None):
+ # Init parents
+ Screen.__init__(self, session)
+ NumericalTextInput.__init__(self, handleTimeout = False)
+
+ # Set useable chars
+ self.setUseableChars(u'1234567890abcdefghijklmnopqrstuvwxyz')
+
+ # Quickselect Timer
+ self.qs_timer = eTimer()
+ self.qs_timer.callback.append(self.timeout)
+ self.qs_timer_type = 0
+
+ # Initialize Quickselect
+ self.curr_pos = -1
+ self.quickselect = ""
+
+ # Set Text
+ self["text"] = Label(text)
+
+ # Save parameters locally
+ self.text = text
+ self.filename = filename
+ self.minFree = minFree
+
+ # Initialize FileList
+ self["filelist"] = FileList(currDir, showDirectories = True, showFiles = False)
+
+ # Buttons
+ self["key_green"] = Button(_("Confirm"))
+ self["key_yellow"] = Button(_("Rename"))
+
+ # Background for Buttons
+ self["green"] = Pixmap()
+ self["yellow"] = Pixmap()
+
+ # Initialize Target
+ self["target"] = Label()
+
+ # Custom Action Handler
+ class LocationBoxActionMap(NumberActionMap):
+ def __init__(self, box, contexts = [ ], actions = { }, prio=0):
+ NumberActionMap.__init__(self, contexts, actions, prio)
+ self.box = box
+
+ def action(self, contexts, action):
+ # Reset Quickselect
+ self.box.timeout(force = True)
+
+ return NumberActionMap.action(self, contexts, action)
+
+ # Actions that will reset quickselect
+ self["actions"] = LocationBoxActionMap(self, ["WizardActions", "ColorActions"],
+ {
+ "ok": self.ok,
+ "back": self.cancel,
+ "green": self.select,
+ "yellow": self.changeName,
+ "left": self.left,
+ "right": self.right,
+ "up": self.up,
+ "down": self.down,
+ }, -2)
+
+ # Actions used by quickselect
+ self["NumberActions"] = NumberActionMap(["NumberActions"],
+ {
+ "1": self.keyNumberGlobal,
+ "2": self.keyNumberGlobal,
+ "3": self.keyNumberGlobal,
+ "4": self.keyNumberGlobal,
+ "5": self.keyNumberGlobal,
+ "6": self.keyNumberGlobal,
+ "7": self.keyNumberGlobal,
+ "8": self.keyNumberGlobal,
+ "9": self.keyNumberGlobal,
+ "0": self.keyNumberGlobal
+ })
+
+ # Run some functions when shown
+ self.onShown.extend([
+ boundFunction(self.setTitle, windowTitle),
+ self.updateTarget,
+ self.showHideRename
+ ])
+
+ # Make sure we remove our callback
+ self.onClose.append(self.disableTimer)
+
+ def disableTimer(self):
+ self.qs_timer.callback.remove(self.timeout)
+
+ def showHideRename(self):
+ # Don't allow renaming when filename is empty
+ if self.filename == "":
+ self["yellow"].hide()
+ self["key_yellow"].hide()
+
+ def up(self):
+ self["filelist"].up()
+
+ def down(self):
+ self["filelist"].down()
+
+ def left(self):
+ self["filelist"].pageUp()
+
+ def right(self):
+ self["filelist"].pageDown()
+
+ def ok(self):
+ if self["filelist"].canDescent():
+ self["filelist"].descent()
+ self.updateTarget()
+
+ def cancel(self):
+ self.close(None)
+
+ def selectConfirmed(self, res):
+ if res:
+ self.close(''.join([self["filelist"].getCurrentDirectory(), self.filename]))
+
+ def select(self):
+ # Do nothing unless current Directory is valid
+ if self["filelist"].getCurrentDirectory() is not None:
+ # Check if we need to have a minimum of free Space available
+ if self.minFree is not None:
+ # Try to read fs stats
+ try:
+ from os import statvfs
+
+ s = statvfs(self["filelist"].getCurrentDirectory())
+ if (s.f_bavail * s.f_bsize) / 1000000 > self.minFree:
+ # Automatically confirm if we have enough free disk Space available
+ return self.selectConfirmed(True)
+ except OSError:
+ pass
+
+ # Ask User if he really wants to select this folder
+ self.session.openWithCallback(
+ self.selectConfirmed,
+ MessageBox,
+ _("There might not be enough Space on the selected Partition.\nDo you really want to continue?"),
+ type = MessageBox.TYPE_YESNO
+ )
+ # No minimum free Space means we can safely close
+ else:
+ self.selectConfirmed(True)
+
+ def changeName(self):
+ if self.filename != "":
+ # TODO: Add Information that changing extension is bad? disallow?
+ # TODO: decide if using an inputbox is ok - we could also keep this in here
+ self.session.openWithCallback(
+ self.nameChanged,
+ InputBox,
+ title = _("Please enter a new filename"),
+ text = self.filename
+ )
+
+ def nameChanged(self, res):
+ if res is not None:
+ if len(res):
+ self.filename = res
+ self.updateTarget()
+ else:
+ self.session.open(
+ MessageBox,
+ _("An empty filename is illegal."),
+ type = MessageBox.TYPE_ERROR,
+ timeout = 5
+ )
+
+ def updateTarget(self):
+ # Write Combination of Folder & Filename when Folder is valid
+ if self["filelist"].getCurrentDirectory() is not None:
+ self["target"].setText(''.join([self["filelist"].getCurrentDirectory(), self.filename]))
+ # Warning else
+ else:
+ self["target"].setText(_("Invalid Location"))
+
+ def keyNumberGlobal(self, number):
+ # Cancel Timeout
+ self.qs_timer.stop()
+
+ # See if another key was pressed before
+ if number != self.lastKey:
+ # Reset lastKey again so NumericalTextInput triggers its keychange
+ self.nextKey()
+
+ # Try to select what was typed
+ self.selectByStart()
+
+ # Increment position
+ self.curr_pos += 1
+
+ # Get char and append to text
+ char = self.getKey(number)
+ self.quickselect = self.quickselect[:self.curr_pos] + unicode(char)
+
+ # Start Timeout
+ self.qs_timer_type = 0
+ self.qs_timer.start(1000, 1)
+
+ def selectByStart(self):
+ # Don't do anything on initial call
+ if not len(self.quickselect):
+ return
+
+ # Don't select if no dir
+ if self["filelist"].getCurrentDirectory():
+ # TODO: implement proper method in Components.FileList
+ files = self["filelist"].getFileList()
+
+ # Initialize index
+ idx = 0
+
+ # We select by filename which is absolute
+ lookfor = self["filelist"].getCurrentDirectory() + self.quickselect
+
+ # Select file starting with generated text
+ for file in files:
+ if file[0][0] and file[0][0].lower().startswith(lookfor):
+ self["filelist"].instance.moveSelectionTo(idx)
+ break
+ idx += 1
+
+ def timeout(self, force = False):
+ # Timeout Key
+ if not force and self.qs_timer_type == 0:
+ # Try to select what was typed
+ self.selectByStart()
+
+ # Reset Key
+ self.lastKey = -1
+
+ # Change type
+ self.qs_timer_type = 1
+
+ # Start timeout again
+ self.qs_timer.start(1000, 1)
+ # Timeout Quickselect
+ else:
+ # Eventually stop Timer
+ self.qs_timer.stop()
+
+ # Invalidate
+ self.lastKey = -1
+ self.curr_pos = -1
+ self.quickselect = ""
+
+ def __repr__(self):
+ return str(type(self)) + "(" + self.text + ")"
+
git.cweiske.de / enigma2.git / commitdiff