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                 [("up", _("Scroll page contents up"))]))
  64         self.helpList.append((
  65                 self["actions"], "WizardActions",
  66                 [("down", _("Scroll page contents down"))]))
  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         self.helpList.append((
  80                 self["actions"], "WizardActions",
  81                 [("ok", _("Close window"))]))
  82         self.helpList.append((
  83                 self["actions"], "WizardActions",
  84                 [("back", _("Close window"))]))
  85         self.helpList.append((
  86                 self["actions"], "HelpActions",
  87                 [("displayHelp", _("Show this help screen"))]))
  88
  89     def pageUp(self):
  90         self["text"].pageUp()
  91
  92     def pageDown(self):
  93         self["text"].pageDown()
  94
  95     def prevPage(self):
  96         if self.currentPage == None:
  97             return
  98
  99         pageId = self.currentPage - 1
 100         if pageId < 0:
 101             pageId = len(config.plugins.CurlyTx.pages) - 1
 102         self.loadUrl(pageId)
 103
 104     def nextPage(self):
 105         if self.currentPage == None:
 106             return
 107
 108         pageId = self.currentPage + 1
 109         if pageId > len(config.plugins.CurlyTx.pages) - 1:
 110             pageId = 0
 111         self.loadUrl(pageId)
 112
 113     def reload(self):
 114         if self.currentPage == None:
 115             return
 116
 117         self.loadUrl(self.currentPage)
 118
 119     def loadUrl(self, pageId):
 120         if pageId == None:
 121             self.loadNoPage()
 122             return
 123
 124         pageId = int(pageId)
 125         if pageId > (len(config.plugins.CurlyTx.pages) - 1):
 126             if len(config.plugins.CurlyTx.pages) == 0:
 127                 self.loadNoPage()
 128             else:
 129                 self["text"].setText("Invalid page " + pageId);
 130             return
 131
 132         url   = config.plugins.CurlyTx.pages[pageId].uri.value
 133         title = config.plugins.CurlyTx.pages[pageId].title.value
 134         self.currentPage = pageId
 135         self.currentUrl = url
 136
 137         self.setTitle(title)
 138         self["text"].setText("Loading ...\n" + url);
 139
 140         client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
 141
 142     def urlLoaded(self, html):
 143         self["text"].setText(html)
 144
 145     def urlFailed(self, error, url):
 146         self["text"].setText(
 147             "Error fetching URL:\n " + error.getErrorMessage()
 148             + "\n\nURL: " + url
 149             )
 150
 151     def loadNoPage(self):
 152         self["text"].setText("Go and add a page in the settings");
 153
 154     def showSettings(self):
 155         from CurlyTxSettings import CurlyTxSettings
 156         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 157
 158     def onSettingsChanged(self):
 159         if len(config.plugins.CurlyTx.pages) == 0:
 160             self.currentPage = None
 161             self.loadUrl(self.currentPage)
 162         elif self.currentPage == None:
 163             self.currentPage = 0
 164             self.loadUrl(self.currentPage)