src/CurlyTx.py

   1 from . import _
   2
   3 from Screens.Screen import Screen
   4 from Screens.HelpMenu import HelpableScreen
   5 from Screens.MessageBox import MessageBox
   6 from Components.Label import Label
   7 from Components.ScrollLabel import ScrollLabel
   8 from Components.ActionMap import ActionMap
   9 from Components.Sources.StaticText import StaticText
  10 from twisted.web import client
  11 from enigma import gFont
  12
  13 from . import config
  14 from Components.config import config
  15
  16 class CurlyTx(Screen,HelpableScreen):
  17     skin = """
  18         <screen name="CurlyTx" position="center,center" size="560,400" title="CurlyTx" >
  19           <ePixmap position="0,0" size="140,40" pixmap="skin_default/buttons/red.png" transparent="1" alphatest="on" />
  20           <ePixmap position="140,0" size="140,40" pixmap="skin_default/buttons/green.png" transparent="1" alphatest="on" />
  21           <ePixmap position="280,0" size="140,40" pixmap="skin_default/buttons/yellow.png" transparent="1" alphatest="on" />
  22           <ePixmap position="420,0" size="140,40" pixmap="skin_default/buttons/blue.png" transparent="1" alphatest="on" />
  23           <widget source="key_red" render="Label" position="0,0" zPosition="1" size="140,40" valign="center" halign="center" font="Regular;21" transparent="1" foregroundColor="white" shadowColor="black" shadowOffset="-1,-1" />
  24           <widget source="key_green" render="Label" position="140,0" zPosition="1" size="140,40" valign="center" halign="center" font="Regular;21" transparent="1" foregroundColor="white" shadowColor="black" shadowOffset="-1,-1" />
  25           <widget source="key_yellow" render="Label" position="280,0" zPosition="1" size="140,40" valign="center" halign="center" font="Regular;21" transparent="1" foregroundColor="white" shadowColor="black" shadowOffset="-1,-1" />
  26           <widget source="key_blue" render="Label" position="420,0" zPosition="1" size="140,40" valign="center" halign="center" font="Regular;21" transparent="1" foregroundColor="white" shadowColor="black" shadowOffset="-1,-1" />
  27           <widget name="text" position="5,45" size="550,350" font="Console;20" />
  28         </screen>"""
  29
  30     currentUrl = None
  31     currentPage = None
  32     currentFontSize = 20
  33
  34     def __init__(self, session, args = None):
  35         #self.skin = CurlyTx.skin
  36         Screen.__init__(self, session)
  37         HelpableScreen.__init__(self)
  38         #self.skinName = [ "CurlyTx", "Setup" ]
  39
  40         self["text"] = ScrollLabel("foo")
  41
  42         self["key_red"]    = StaticText(_("Settings"))
  43         self["key_green"]  = StaticText(_("Reload"))
  44         self["key_yellow"] = StaticText(_("Prev"))
  45         self["key_blue"]   = StaticText(_("Next"))
  46
  47
  48         self["actions"] = ActionMap(
  49             ["WizardActions", "ColorActions", "InputActions"], {
  50                 "ok":   self.close,
  51                 "back": self.close,
  52                 "up":   self.pageUp,
  53                 "down": self.pageDown,
  54
  55                 "red":    self.showSettings,
  56                 "green":  self.reload,
  57                 "yellow": self.prevPage,
  58                 "blue":   self.nextPage
  59             }, -1)
  60
  61         self.loadHelp()
  62         self.loadButtons()
  63         self.loadUrl(config.plugins.CurlyTx.defaultPage.value)
  64         self.onLayoutFinish.append(self.setTextFont)
  65
  66     def loadHelp(self):
  67         self.helpList.append((
  68                 self["actions"], "WizardActions",
  69                 [("up", _("Scroll page contents up"))]))
  70         self.helpList.append((
  71                 self["actions"], "WizardActions",
  72                 [("down", _("Scroll page contents down"))]))
  73         self.helpList.append((
  74                 self["actions"], "ColorActions",
  75                 [("red", _("Show program settings"))]))
  76         self.helpList.append((
  77                 self["actions"], "ColorActions",
  78                 [("green", _("Reload current page URL"))]))
  79         self.helpList.append((
  80                 self["actions"], "ColorActions",
  81                 [("yellow", _("Switch to next configured page URL"))]))
  82         self.helpList.append((
  83                 self["actions"], "ColorActions",
  84                 [("blue", _("Switch to previous configured page URL"))]))
  85         self.helpList.append((
  86                 self["actions"], "WizardActions",
  87                 [("ok", _("Close window"))]))
  88         self.helpList.append((
  89                 self["actions"], "WizardActions",
  90                 [("back", _("Close window"))]))
  91         self.helpList.append((
  92                 self["actions"], "HelpActions",
  93                 [("displayHelp", _("Show this help screen"))]))
  94
  95     def loadButtons(self):
  96         pageCount = len(config.plugins.CurlyTx.pages)
  97         if pageCount == 0:
  98             self["key_green"].setText("")
  99             self["key_yellow"].setText("")
 100             self["key_blue"].setText("")
 101         elif pageCount == 1:
 102             self["key_green"].setText(_("Reload"))
 103             self["key_yellow"].setText("")
 104             self["key_blue"].setText("")
 105         else:
 106             self["key_green"].setText(_("Reload"))
 107             self["key_yellow"].setText(_("Prev"))
 108             self["key_blue"].setText(_("Next"))
 109
 110     def pageUp(self):
 111         self["text"].pageUp()
 112
 113     def pageDown(self):
 114         self["text"].pageDown()
 115
 116     def prevPage(self):
 117         if self.currentPage == None:
 118             return
 119
 120         pageId = self.currentPage - 1
 121         if pageId < 0:
 122             pageId = len(config.plugins.CurlyTx.pages) - 1
 123         self.loadUrl(pageId)
 124
 125     def nextPage(self):
 126         if self.currentPage == None:
 127             return
 128
 129         pageId = self.currentPage + 1
 130         if pageId > len(config.plugins.CurlyTx.pages) - 1:
 131             pageId = 0
 132         self.loadUrl(pageId)
 133
 134     def reload(self):
 135         if self.currentPage == None:
 136             return
 137
 138         self.loadUrl(self.currentPage)
 139
 140     def loadUrl(self, pageId):
 141         if pageId == None:
 142             self.loadNoPage()
 143             return
 144
 145         cfg = config.plugins.CurlyTx
 146         pageCount = len(cfg.pages)
 147         pageId = int(pageId)
 148         if pageId > (pageCount - 1):
 149             if len(cfg.pages) == 0:
 150                 self.loadNoPage()
 151             else:
 152                 self["text"].setText("Invalid page " + pageId);
 153             return
 154
 155         url   = cfg.pages[pageId].uri.value
 156         title = cfg.pages[pageId].title.value
 157
 158         if pageCount > 1:
 159             title = "{0} [{1}/{2}]".format(title, pageId + 1, pageCount)
 160
 161         self.currentPage = pageId
 162         self.currentUrl = url
 163         self.currentFontSize = cfg.pages[pageId].fontSize.value
 164
 165         self.setTitle(title)
 166         self.setTextFont()
 167         self["text"].setText("Loading ...\n" + url);
 168
 169         client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
 170
 171     def setTextFont(self):
 172         if self["text"].long_text is not None:
 173             self["text"].long_text.setFont(gFont("Console", self.currentFontSize))
 174
 175     def urlLoaded(self, html):
 176         self["text"].setText(html)
 177
 178     def urlFailed(self, error, url):
 179         self["text"].setText(
 180             "Error fetching URL:\n " + error.getErrorMessage()
 181             + "\n\nURL: " + url
 182             )
 183
 184     def loadNoPage(self):
 185         self["text"].setText("Go and add a page in the settings");
 186
 187     def showSettings(self):
 188         from CurlyTxSettings import CurlyTxSettings
 189         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 190
 191     def onSettingsChanged(self):
 192         self.loadButtons()
 193         if len(config.plugins.CurlyTx.pages) == 0:
 194             self.currentPage = None
 195             self.loadUrl(self.currentPage)
 196         elif self.currentPage == None:
 197             self.currentPage = 0
 198             self.loadUrl(self.currentPage)