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 NumberActionMap
   9 from Components.Sources.StaticText import StaticText
  10 from twisted.web import client
  11
  12 from . import config
  13 from Components.config import config
  14
  15 class CurlyTx(Screen,HelpableScreen):
  16     skin = """
  17         <screen name="CurlyTx" position="center,center" size="560,400" title="CurlyTx" >
  18           <ePixmap position="0,0" size="140,40" pixmap="skin_default/buttons/red.png" transparent="1" alphatest="on" />
  19           <ePixmap position="140,0" size="140,40" pixmap="skin_default/buttons/green.png" transparent="1" alphatest="on" />
  20           <ePixmap position="280,0" size="140,40" pixmap="skin_default/buttons/yellow.png" transparent="1" alphatest="on" />
  21           <ePixmap position="420,0" size="140,40" pixmap="skin_default/buttons/blue.png" transparent="1" alphatest="on" />
  22           <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" />
  23           <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" />
  24           <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" />
  25           <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" />
  26           <widget name="text" position="5,45" size="550,350" font="Console;20" />
  27         </screen>"""
  28
  29     currentUrl = None
  30     currentPage = None
  31
  32     def __init__(self, session, args = None):
  33         #self.skin = CurlyTx.skin
  34         Screen.__init__(self, session)
  35         HelpableScreen.__init__(self)
  36         #self.skinName = [ "CurlyTx", "Setup" ]
  37
  38         self["text"] = ScrollLabel("foo")
  39
  40         self["key_red"]    = StaticText(_("Settings"))
  41         self["key_green"]  = StaticText(_("Reload"))
  42         self["key_yellow"] = StaticText(_("Prev"))
  43         self["key_blue"]   = StaticText(_("Next"))
  44
  45
  46         self["actions"] = NumberActionMap(
  47             ["WizardActions", "ColorActions", "InputActions", "HelpActions"], {
  48                 "ok":   self.close,
  49                 "back": self.close,
  50                 "up":   self.pageUp,
  51                 "down": self.pageDown,
  52
  53                 "red":    self.showSettings,
  54                 "green":  self.reload,
  55                 "yellow": self.prevPage,
  56                 "blue":   self.nextPage
  57             }, -1)
  58
  59         self.loadHelp()
  60         self.loadUrl(config.plugins.CurlyTx.defaultPage.value)
  61
  62     def loadHelp(self):
  63         self.helpList.append((
  64                 self["actions"], "WizardActions",
  65                 [("up", _("Scroll page contents up"))]))
  66         self.helpList.append((
  67                 self["actions"], "WizardActions",
  68                 [("down", _("Scroll page contents down"))]))
  69         self.helpList.append((
  70                 self["actions"], "ColorActions",
  71                 [("red", _("Show program settings"))]))
  72         self.helpList.append((
  73                 self["actions"], "ColorActions",
  74                 [("green", _("Reload current page URL"))]))
  75         self.helpList.append((
  76                 self["actions"], "ColorActions",
  77                 [("yellow", _("Switch to next configured page URL"))]))
  78         self.helpList.append((
  79                 self["actions"], "ColorActions",
  80                 [("blue", _("Switch to previous configured page URL"))]))
  81         self.helpList.append((
  82                 self["actions"], "WizardActions",
  83                 [("ok", _("Close window"))]))
  84         self.helpList.append((
  85                 self["actions"], "WizardActions",
  86                 [("back", _("Close window"))]))
  87         self.helpList.append((
  88                 self["actions"], "HelpActions",
  89                 [("displayHelp", _("Show this help screen"))]))
  90
  91     def pageUp(self):
  92         self["text"].pageUp()
  93
  94     def pageDown(self):
  95         self["text"].pageDown()
  96
  97     def prevPage(self):
  98         if self.currentPage == None:
  99             return
 100
 101         pageId = self.currentPage - 1
 102         if pageId < 0:
 103             pageId = len(config.plugins.CurlyTx.pages) - 1
 104         self.loadUrl(pageId)
 105
 106     def nextPage(self):
 107         if self.currentPage == None:
 108             return
 109
 110         pageId = self.currentPage + 1
 111         if pageId > len(config.plugins.CurlyTx.pages) - 1:
 112             pageId = 0
 113         self.loadUrl(pageId)
 114
 115     def reload(self):
 116         if self.currentPage == None:
 117             return
 118
 119         self.loadUrl(self.currentPage)
 120
 121     def loadUrl(self, pageId):
 122         if pageId == None:
 123             self.loadNoPage()
 124             return
 125
 126         pageId = int(pageId)
 127         if pageId > (len(config.plugins.CurlyTx.pages) - 1):
 128             if len(config.plugins.CurlyTx.pages) == 0:
 129                 self.loadNoPage()
 130             else:
 131                 self["text"].setText("Invalid page " + pageId);
 132             return
 133
 134         url   = config.plugins.CurlyTx.pages[pageId].uri.value
 135         title = config.plugins.CurlyTx.pages[pageId].title.value
 136         self.currentPage = pageId
 137         self.currentUrl = url
 138
 139         self.setTitle(title)
 140         self["text"].setText("Loading ...\n" + url);
 141
 142         client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
 143
 144     def urlLoaded(self, html):
 145         self["text"].setText(html)
 146
 147     def urlFailed(self, error, url):
 148         self["text"].setText(
 149             "Error fetching URL:\n " + error.getErrorMessage()
 150             + "\n\nURL: " + url
 151             )
 152
 153     def loadNoPage(self):
 154         self["text"].setText("Go and add a page in the settings");
 155
 156     def showSettings(self):
 157         from CurlyTxSettings import CurlyTxSettings
 158         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 159
 160     def onSettingsChanged(self):
 161         if len(config.plugins.CurlyTx.pages) == 0:
 162             self.currentPage = None
 163             self.loadUrl(self.currentPage)
 164         elif self.currentPage == None:
 165             self.currentPage = 0
 166             self.loadUrl(self.currentPage)