src/CurlyTx.py

   1 from Screens.Screen import Screen
   2 from Screens.HelpMenu import HelpableScreen
   3 from Screens.MessageBox import MessageBox
   4 from Components.Label import Label
   5 from Components.ScrollLabel import ScrollLabel
   6 from Components.ActionMap import NumberActionMap
   7 from Components.Sources.StaticText import StaticText
   8 from twisted.web import client
   9
  10 from . import config
  11 from Components.config import config
  12
  13 class CurlyTx(Screen,HelpableScreen):
  14     skin = """
  15         <screen name="CurlyTx" position="center,center" size="560,400" title="CurlyTx" >
  16           <ePixmap position="0,0" size="140,40" pixmap="skin_default/buttons/red.png" transparent="1" alphatest="on" />
  17           <ePixmap position="140,0" size="140,40" pixmap="skin_default/buttons/green.png" transparent="1" alphatest="on" />
  18           <ePixmap position="280,0" size="140,40" pixmap="skin_default/buttons/yellow.png" transparent="1" alphatest="on" />
  19           <ePixmap position="420,0" size="140,40" pixmap="skin_default/buttons/blue.png" transparent="1" alphatest="on" />
  20           <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" />
  21           <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" />
  22           <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" />
  23           <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" />
  24           <widget name="text" position="5,45" size="550,350" font="Console;20" />
  25         </screen>"""
  26
  27     currentUrl = None
  28     currentPage = None
  29
  30     def __init__(self, session, args = None):
  31         #self.skin = CurlyTx.skin
  32         Screen.__init__(self, session)
  33         HelpableScreen.__init__(self)
  34         #self.skinName = [ "CurlyTx", "Setup" ]
  35
  36         self["text"] = ScrollLabel("foo")
  37
  38         self["key_red"]    = StaticText(_("Settings"))
  39         self["key_green"]  = StaticText(_("Reload"))
  40         self["key_yellow"] = StaticText(_("Prev"))
  41         self["key_blue"]   = StaticText(_("Next"))
  42
  43
  44         self["actions"] = NumberActionMap(
  45             ["WizardActions", "ColorActions", "InputActions", "HelpActions"], {
  46                 "ok":   self.close,
  47                 "back": self.close,
  48                 "up":   self.pageUp,
  49                 "down": self.pageDown,
  50
  51                 "red":    self.showSettings,
  52                 "green":  self.reload,
  53                 "yellow": self.prevPage,
  54                 "blue":   self.nextPage
  55             }, -1)
  56
  57         self.loadHelp()
  58         self.loadUrl(config.plugins.CurlyTx.defaultPage.value)
  59
  60     def loadHelp(self):
  61         self.helpList.append((
  62                 self["actions"], "WizardActions",
  63                 [("ok", _("Close window"))]))
  64         self.helpList.append((
  65                 self["actions"], "WizardActions",
  66                 [("back", _("Close window"))]))
  67         self.helpList.append((
  68                 self["actions"], "ColorActions",
  69                 [("red", _("Show program settings"))]))
  70         self.helpList.append((
  71                 self["actions"], "ColorActions",
  72                 [("green", _("Reload current page URL"))]))
  73         self.helpList.append((
  74                 self["actions"], "ColorActions",
  75                 [("yellow", _("Switch to next configured page URL"))]))
  76         self.helpList.append((
  77                 self["actions"], "ColorActions",
  78                 [("blue", _("Switch to previous configured page URL"))]))
  79
  80
  81     def pageUp(self):
  82         self["text"].pageUp()
  83
  84     def pageDown(self):
  85         self["text"].pageDown()
  86
  87     def prevPage(self):
  88         if self.currentPage == None:
  89             return
  90
  91         pageId = self.currentPage - 1
  92         if pageId < 0:
  93             pageId = len(config.plugins.CurlyTx.pages) - 1
  94         self.loadUrl(pageId)
  95
  96     def nextPage(self):
  97         if self.currentPage == None:
  98             return
  99
 100         pageId = self.currentPage + 1
 101         if pageId > len(config.plugins.CurlyTx.pages) - 1:
 102             pageId = 0
 103         self.loadUrl(pageId)
 104
 105     def reload(self):
 106         if self.currentPage == None:
 107             return
 108
 109         self.loadUrl(self.currentPage)
 110
 111     def loadUrl(self, pageId):
 112         if pageId == None:
 113             self.loadNoPage()
 114             return
 115
 116         pageId = int(pageId)
 117         if pageId > (len(config.plugins.CurlyTx.pages) - 1):
 118             if len(config.plugins.CurlyTx.pages) == 0:
 119                 self.loadNoPage()
 120             else:
 121                 self["text"].setText("Invalid page " + pageId);
 122             return
 123
 124         url   = config.plugins.CurlyTx.pages[pageId].uri.value
 125         title = config.plugins.CurlyTx.pages[pageId].title.value
 126         self.currentPage = pageId
 127         self.currentUrl = url
 128
 129         self.setTitle(title)
 130         self["text"].setText("Loading ...\n" + url);
 131
 132         client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
 133
 134     def urlLoaded(self, html):
 135         self["text"].setText(html)
 136
 137     def urlFailed(self, error, url):
 138         self["text"].setText(
 139             "Error fetching URL:\n " + error.getErrorMessage()
 140             + "\n\nURL: " + url
 141             )
 142
 143     def loadNoPage(self):
 144         self["text"].setText("Go and add a page in the settings");
 145
 146     def showSettings(self):
 147         from CurlyTxSettings import CurlyTxSettings
 148         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 149
 150     def onSettingsChanged(self):
 151         if len(config.plugins.CurlyTx.pages) == 0:
 152             self.currentPage = None
 153             self.loadUrl(self.currentPage)
 154         elif self.currentPage == None:
 155             self.currentPage = 0
 156             self.loadUrl(self.currentPage)