lib/python/Screens/MovieSelection.py

   1 from Screen import Screen
   2 from Components.Button import Button
   3 from Components.ActionMap import ActionMap
   4 from Components.MovieList import MovieList
   5 from Components.DiskInfo import DiskInfo
   6 from Components.Label import Label
   7 from Components.PluginComponent import plugins
   8 from Plugins.Plugin import PluginDescriptor
   9
  10 from Screens.MessageBox import MessageBox
  11 from Screens.FixedMenu import FixedMenu
  12 from Screens.ChoiceBox import ChoiceBox
  13
  14 from Tools.Directories import *
  15 from Tools.BoundFunction import boundFunction
  16
  17 from enigma import eServiceReference, eServiceCenter, eTimer
  18
  19 class ChannelContextMenu(FixedMenu):
  20         def __init__(self, session, csel, service):
  21                 self.csel = csel
  22                 self.service = service
  23
  24                 menu = [(_("back"), self.close), (_("delete..."), self.delete)]
  25
  26                 for p in plugins.getPlugins(PluginDescriptor.WHERE_MOVIELIST):
  27                         menu.append((p.description, boundFunction(self.execPlugin, p)))
  28
  29                 FixedMenu.__init__(self, session, _("Movie Menu"), menu)
  30                 self.skinName = "Menu"
  31
  32         def execPlugin(self, plugin):
  33                 plugin(session=self.session, service=self.service)
  34
  35         def delete(self):
  36                 serviceHandler = eServiceCenter.getInstance()
  37                 offline = serviceHandler.offlineOperations(self.service)
  38                 info = serviceHandler.info(self.service)
  39                 name = info and info.getName(self.service) or _("this recording")
  40                 result = False
  41                 if offline is not None:
  42                         # simulate first
  43                         if not offline.deleteFromDisk(1):
  44                                 result = True
  45
  46                 if result == True:
  47                         self.session.openWithCallback(self.deleteConfirmed, MessageBox, _("Do you really want to delete %s?") % (name))
  48                 else:
  49                         self.session.openWithCallback(self.close, MessageBox, _("You cannot delete this!"), MessageBox.TYPE_ERROR)
  50
  51         def deleteConfirmed(self, confirmed):
  52                 if not confirmed:
  53                         return self.close()
  54
  55                 serviceHandler = eServiceCenter.getInstance()
  56                 offline = serviceHandler.offlineOperations(self.service)
  57                 result = False
  58                 if offline is not None:
  59                         # really delete!
  60                         if not offline.deleteFromDisk(0):
  61                                 result = True
  62
  63                 if result == False:
  64                         self.session.openWithCallback(self.close, MessageBox, _("Delete failed!"), MessageBox.TYPE_ERROR)
  65                 else:
  66                         list = self.csel["list"].removeService(self.service)
  67                         self.close()
  68
  69 class MovieSelection(Screen):
  70         def __init__(self, session, selectedmovie = None):
  71                 Screen.__init__(self, session)
  72
  73                 self.tags = [ ]
  74                 self.selected_tags = None
  75
  76                 self.current_ref = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + resolveFilename(SCOPE_HDD))
  77
  78                 self.movemode = False
  79                 self.bouquet_mark_edit = False
  80
  81                 self.delayTimer = eTimer()
  82                 self.delayTimer.timeout.get().append(self.updateHDDData)
  83
  84                 self["waitingtext"] = Label(_("Please wait... Loading list..."))
  85
  86                 self["list"] = MovieList(None)
  87                 self.list = self["list"]
  88                 self.selectedmovie = selectedmovie
  89
  90                 self["key_red"] = Button(_("All..."))
  91                 self["key_green"] = Button("")
  92                 self["key_yellow"] = Button("")
  93                 self["key_blue"] = Button("")
  94
  95                 #self["okbutton"] = Button("ok", [self.channelSelected])
  96                 self["freeDiskSpace"] = DiskInfo(resolveFilename(SCOPE_HDD), DiskInfo.FREE, update=False)
  97
  98                 self["actions"] = ActionMap(["OkCancelActions", "MovieSelectionActions", "ColorActions"],
  99                         {
 100                                 "cancel": self.abort,
 101                                 "ok": self.movieSelected,
 102                                 "showEventInfo": self.showEventInformation,
 103                                 "contextMenu": self.doContext,
 104
 105                                 "red": self.showAll,
 106                                 "green": self.showTagsFirst,
 107                                 "yellow": self.showTagsSecond,
 108                                 "blue": self.showTagsMenu,
 109                         })
 110                 self["actions"].csel = self
 111                 self.onShown.append(self.go)
 112                 self.inited = False
 113
 114         def showEventInformation(self):
 115                 from Screens.EventView import EventViewSimple
 116                 from ServiceReference import ServiceReference
 117                 evt = self["list"].getCurrentEvent()
 118                 if evt:
 119                         self.session.open(EventViewSimple, evt, ServiceReference(self.getCurrent()))
 120
 121         def go(self):
 122                 if not self.inited:
 123                 # ouch. this should redraw our "Please wait..."-text.
 124                 # this is of course not the right way to do this.
 125                         self.delayTimer.start(10, 1)
 126                         self.inited=True
 127
 128         def updateHDDData(self):
 129                 self.reloadList()
 130                 if self.selectedmovie is not None:
 131                         self.moveTo()
 132                 self["waitingtext"].instance.hide()
 133
 134                 self["freeDiskSpace"].update()
 135
 136                 self.updateTags()
 137
 138         def moveTo(self):
 139                 self["list"].moveTo(self.selectedmovie)
 140
 141         def getCurrent(self):
 142                 return self["list"].getCurrent()
 143
 144         def movieSelected(self):
 145                 current = self.getCurrent()
 146                 if current is not None:
 147                         self.close(current)
 148
 149         def doContext(self):
 150                 current = self.getCurrent()
 151                 if current is not None:
 152                         self.session.open(ChannelContextMenu, self, current)
 153
 154         def abort(self):
 155                 self.close(None)
 156
 157         def getTagDescription(self, tag):
 158                 # TODO: access the tag database
 159                 return tag
 160
 161         def updateTags(self):
 162                 # get a list of tags available in this list
 163                 self.tags = list(self["list"].tags)
 164
 165                 # by default, we do not display any filtering options
 166                 self.tag_first = ""
 167                 self.tag_second = ""
 168
 169                 # when tags are present, however, the first two are
 170                 # directly mapped to the second, third ("green", "yellow") buttons
 171                 if len(self.tags) > 0:
 172                         self.tag_first = self.getTagDescription(self.tags[0])
 173
 174                 if len(self.tags) > 1:
 175                         self.tag_second = self.getTagDescription(self.tags[1])
 176
 177                 self["key_green"].text = self.tag_first
 178                 self["key_yellow"].text = self.tag_second
 179
 180                 # the rest is presented in a list, available on the
 181                 # fourth ("blue") button
 182                 if len(self.tags) > 2:
 183                         self["key_blue"].text = _("Other...")
 184                 else:
 185                         self["key_blue"].text = ""
 186
 187         def reloadList(self):
 188                 self["list"].reload(self.current_ref, self.selected_tags)
 189                 title = _("Recorded files...")
 190                 if self.selected_tags is not None:
 191                         title += " - " + ','.join(self.selected_tags)
 192                 self.setTitle(title)
 193
 194         def showAll(self):
 195                 self.selected_tags = None
 196                 self.reloadList()
 197
 198         def showTagsN(self, n):
 199                 if len(self.tags) < n:
 200                         self.showTagWarning()
 201                 else:
 202                         print "select tag #%d, %s, %s" % (n, self.tags[n - 1], ','.join(self.tags))
 203                         self.selected_tags = set([self.tags[n - 1]])
 204                         self.reloadList()
 205
 206         def showTagsFirst(self):
 207                 self.showTagsN(1)
 208
 209         def showTagsSecond(self):
 210                 self.showTagsN(2)
 211
 212         def tagChosen(self, tag):
 213                 if tag is not None:
 214                         self.selected_tags = set([tag[0]])
 215                         self.reloadList()
 216
 217         def showTagsMenu(self):
 218                 if len(self.tags) < 3:
 219                         self.showTagWarning()
 220                 else:
 221                         list = [(tag, self.getTagDescription(tag)) for tag in self.tags ]
 222                         self.session.openWithCallback(self.tagChosen, ChoiceBox, title=_("Please select keyword to filter..."), list = list)
 223
 224         def showTagWarning(self):
 225                 # TODO
 226                 self.session.open(MessageBox, _("You need to define some keywords first!\nPress the menu-key to define keywords.\nDo you want to define keywords now?"), MessageBox.TYPE_ERROR)