lib/python/Screens/Menu.py

   1 from Screen import *
   2 from Components.MenuList import MenuList
   3 from Components.ActionMap import ActionMap
   4 from Components.Header import Header
   5 from Components.Button import Button
   6 from Components.Label import Label
   7 from Components.ProgressBar import ProgressBar
   8 from Components.config import configfile
   9 from Components.Clock import Clock
  10
  11 from Tools.Directories import resolveFilename, SCOPE_SKIN
  12
  13 from enigma import quitMainloop
  14
  15 import xml.dom.minidom
  16 from xml.dom import EMPTY_NAMESPACE
  17 from skin import elementsWithTag
  18
  19 from Screens.Setup import *
  20
  21 from Tools import XMLTools
  22
  23 # some screens
  24 def doGlobal(screen):
  25         screen["clock"] = Clock()
  26
  27
  28 #               <item text="TV-Mode">self.setModeTV()</item>
  29 #               <item text="Radio-Mode">self.setModeRadio()</item>
  30 #               <item text="File-Mode">self.setModeFile()</item>
  31 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  32 #                       <item text="Sleep Timer"></item>
  33
  34
  35 # read the menu
  36 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  37 mdom = xml.dom.minidom.parseString(menufile.read())
  38 menufile.close()
  39
  40
  41 def getValbyAttr(x, attr):
  42         for p in range(x.attributes.length):
  43                 a = x.attributes.item(p)
  44                 attrib = str(a.name)
  45                 value = str(a.value)
  46                 if attrib == attr:
  47                         return value
  48
  49         return ""
  50
  51 class boundFunction:
  52         def __init__(self, fnc, *args):
  53                 self.fnc = fnc
  54                 self.args = args
  55         def __call__(self):
  56                 self.fnc(*self.args)
  57
  58 class MenuUpdater:
  59         def __init__(self):
  60                 self.updatedMenuItems = {}
  61
  62         def addMenuItem(self, id, pos, text, module, screen):
  63                 if not self.updatedMenuAvailable(id):
  64                         self.updatedMenuItems[id] = []
  65                 self.updatedMenuItems[id].append([text, pos, module, screen])
  66
  67         def delMenuItem(self, id, pos, text, module, screen):
  68                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  69
  70         def updatedMenuAvailable(self, id):
  71                 return self.updatedMenuItems.has_key(id)
  72
  73         def getUpdatedMenu(self, id):
  74                 return self.updatedMenuItems[id]
  75
  76 menuupdater = MenuUpdater()
  77
  78 class MenuSummary(Screen):
  79         skin = """
  80         <screen position="0,0" size="132,64">
  81                 <widget name="MenuTitle" position="0,4" size="132,21" font="Regular;18" />
  82                 <widget name="MenuEntry" position="0,25" size="132,21" font="Regular;16" />
  83                 <widget name="Clock" position="50,46" size="82,18" font="Regular;16" />
  84         </screen>"""
  85
  86         def __init__(self, session, parent):
  87                 Screen.__init__(self, session)
  88                 self["MenuTitle"] = Label(parent.menu_title)
  89                 self["MenuEntry"] = Label("")
  90                 self["Clock"] = Clock()
  91                 self.parent = parent
  92                 self.onShow.append(self.addWatcher)
  93                 self.onHide.append(self.removeWatcher)
  94
  95         def addWatcher(self):
  96                 self.parent["menu"].onSelectionChanged.append(self.selectionChanged)
  97                 self.selectionChanged()
  98
  99         def removeWatcher(self):
 100                 self.parent["menu"].onSelectionChanged.remove(self.selectionChanged)
 101
 102         def selectionChanged(self):
 103                 self["MenuEntry"].setText(self.parent["menu"].getCurrent()[0])
 104
 105 class Menu(Screen):
 106         def okbuttonClick(self):
 107                 print "okbuttonClick"
 108                 selection = self["menu"].getCurrent()
 109                 selection[1]()
 110
 111         def execText(self, text):
 112                 exec text
 113
 114         def runScreen(self, arg):
 115                 # arg[0] is the module (as string)
 116                 # arg[1] is Screen inside this module
 117                 #        plus possible arguments, as
 118                 #        string (as we want to reference
 119                 #        stuff which is just imported)
 120                 # FIXME. somehow
 121                 if arg[0] != "":
 122                         exec "from " + arg[0] + " import *"
 123
 124                 self.openDialog(*eval(arg[1]))
 125
 126         def nothing(self):                                                                                                                                      #dummy
 127                 pass
 128
 129         def openDialog(self, *dialog):                          # in every layer needed
 130                 self.session.open(*dialog)
 131
 132         def openSetup(self, dialog):
 133                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 134
 135         def addMenu(self, destList, node):
 136                 MenuTitle = _(getValbyAttr(node, "text"))
 137                 if MenuTitle != "":                                                                                                                                     #check for title
 138                         x = getValbyAttr(node, "flushConfigOnClose")
 139                         if x == "1":
 140                                 a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 141                         else:
 142                                 a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 143                         #TODO add check if !empty(node.childNodes)
 144                         destList.append((MenuTitle, a))
 145
 146         def menuClosedWithConfigFlush(self, *res):
 147                 configfile.save()
 148                 self.menuClosed(*res)
 149
 150         def menuClosed(self, *res):
 151                 if len(res) and res[0]:
 152                         self.close(True)
 153
 154         def addItem(self, destList, node):
 155                 ItemText = _(getValbyAttr(node, "text"))
 156                 if ItemText != "":                                                                                                                                      #check for name
 157                         for x in node.childNodes:
 158                                 if x.nodeType != xml.dom.minidom.Element.nodeType:
 159                                         continue
 160                                 elif x.tagName == 'screen':
 161                                         module = getValbyAttr(x, "module")
 162                                         screen = getValbyAttr(x, "screen")
 163
 164                                         if len(screen) == 0:
 165                                                 screen = module
 166
 167                                         if module != "":
 168                                                 module = "Screens." + module
 169
 170                                         # check for arguments. they will be appended to the
 171                                         # openDialog call
 172                                         args = XMLTools.mergeText(x.childNodes)
 173                                         screen += ", " + args
 174
 175                                         destList.append((ItemText, boundFunction(self.runScreen, (module, screen))))
 176                                         return
 177                                 elif x.tagName == 'code':
 178                                         destList.append((ItemText, boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 179                                         return
 180                                 elif x.tagName == 'setup':
 181                                         id = getValbyAttr(x, "id")
 182                                         destList.append((ItemText, boundFunction(self.openSetup, id)))
 183                                         return
 184
 185                         destList.append((ItemText,self.nothing))
 186
 187
 188         def __init__(self, session, parent, childNode):
 189                 Screen.__init__(self, session)
 190
 191                 list = []
 192                 menuID = ""
 193
 194                 menuID = -1
 195                 for x in childNode:                                             #walk through the actual nodelist
 196                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 197                             continue
 198                         elif x.tagName == 'item':
 199                                 self.addItem(list, x)
 200                                 count += 1
 201                         elif x.tagName == 'menu':
 202                                 self.addMenu(list, x)
 203                                 count += 1
 204                         elif x.tagName == "id":
 205                                 menuID = getValbyAttr(x, "val")
 206                                 count = 0
 207                         if menuID != -1:
 208                                 if menuupdater.updatedMenuAvailable(menuID):
 209                                         for x in menuupdater.getUpdatedMenu(menuID):
 210                                                 if x[1] == count:
 211                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 212                                                         count += 1
 213
 214
 215                 self["menu"] = MenuList(list)
 216
 217                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 218                         {
 219                                 "ok": self.okbuttonClick,
 220                                 "cancel": self.closeNonRecursive,
 221                                 "menu": self.closeRecursive
 222                         })
 223
 224                 a = getValbyAttr(parent, "title")
 225                 if a == "":                                                                                                             #if empty use name
 226                         a = _(getValbyAttr(parent, "text"))
 227                 self["title"] = Header(a)
 228                 self.menu_title = a
 229
 230         def closeNonRecursive(self):
 231                 self.close(False)
 232
 233         def closeRecursive(self):
 234                 self.close(True)
 235
 236         def createSummary(self):
 237                 return MenuSummary
 238
 239 class MainMenu(Menu):
 240         #add file load functions for the xml-file
 241
 242         def __init__(self, *x):
 243                 Menu.__init__(self, *x)
 244                 self.skinName = "Menu"
 245
 246         def openDialog(self, dialog):
 247                 self.session.open(dialog)
 248
 249         def openSetup(self, dialog):
 250                 self.session.open(Setup, dialog)
 251
 252         def setModeTV(self):
 253                 print "set Mode to TV"
 254                 pass
 255
 256         def setModeRadio(self):
 257                 print "set Mode to Radio"
 258                 pass
 259
 260         def setModeFile(self):
 261                 print "set Mode to File"
 262                 pass