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
  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"] = ActionMap(
  47             ["WizardActions", "ColorActions", "InputActions"], {
  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.loadButtons()
  61         self.loadUrl(config.plugins.CurlyTx.defaultPage.value)
  62
  63     def loadHelp(self):
  64         self.helpList.append((
  65                 self["actions"], "WizardActions",
  66                 [("up", _("Scroll page contents up"))]))
  67         self.helpList.append((
  68                 self["actions"], "WizardActions",
  69                 [("down", _("Scroll page contents down"))]))
  70         self.helpList.append((
  71                 self["actions"], "ColorActions",
  72                 [("red", _("Show program settings"))]))
  73         self.helpList.append((
  74                 self["actions"], "ColorActions",
  75                 [("green", _("Reload current page URL"))]))
  76         self.helpList.append((
  77                 self["actions"], "ColorActions",
  78                 [("yellow", _("Switch to next configured page URL"))]))
  79         self.helpList.append((
  80                 self["actions"], "ColorActions",
  81                 [("blue", _("Switch to previous configured page URL"))]))
  82         self.helpList.append((
  83                 self["actions"], "WizardActions",
  84                 [("ok", _("Close window"))]))
  85         self.helpList.append((
  86                 self["actions"], "WizardActions",
  87                 [("back", _("Close window"))]))
  88         self.helpList.append((
  89                 self["actions"], "HelpActions",
  90                 [("displayHelp", _("Show this help screen"))]))
  91
  92     def loadButtons(self):
  93         pageCount = len(config.plugins.CurlyTx.pages)
  94         if pageCount == 0:
  95             self["key_green"].setText("")
  96             self["key_yellow"].setText("")
  97             self["key_blue"].setText("")
  98         elif pageCount == 1:
  99             self["key_green"].setText(_("Reload"))
 100             self["key_yellow"].setText("")
 101             self["key_blue"].setText("")
 102         else:
 103             self["key_green"].setText(_("Reload"))
 104             self["key_yellow"].setText(_("Prev"))
 105             self["key_blue"].setText(_("Next"))
 106
 107     def pageUp(self):
 108         self["text"].pageUp()
 109
 110     def pageDown(self):
 111         self["text"].pageDown()
 112
 113     def prevPage(self):
 114         if self.currentPage == None:
 115             return
 116
 117         pageId = self.currentPage - 1
 118         if pageId < 0:
 119             pageId = len(config.plugins.CurlyTx.pages) - 1
 120         self.loadUrl(pageId)
 121
 122     def nextPage(self):
 123         if self.currentPage == None:
 124             return
 125
 126         pageId = self.currentPage + 1
 127         if pageId > len(config.plugins.CurlyTx.pages) - 1:
 128             pageId = 0
 129         self.loadUrl(pageId)
 130
 131     def reload(self):
 132         if self.currentPage == None:
 133             return
 134
 135         self.loadUrl(self.currentPage)
 136
 137     def loadUrl(self, pageId):
 138         if pageId == None:
 139             self.loadNoPage()
 140             return
 141
 142         pageCount = len(config.plugins.CurlyTx.pages)
 143         pageId = int(pageId)
 144         if pageId > (pageCount - 1):
 145             if len(config.plugins.CurlyTx.pages) == 0:
 146                 self.loadNoPage()
 147             else:
 148                 self["text"].setText("Invalid page " + pageId);
 149             return
 150
 151         url   = config.plugins.CurlyTx.pages[pageId].uri.value
 152         title = config.plugins.CurlyTx.pages[pageId].title.value
 153
 154         if pageCount > 1:
 155             title = "{0} [{1}/{2}]".format(title, pageId + 1, pageCount)
 156
 157         self.currentPage = pageId
 158         self.currentUrl = url
 159
 160         self.setTitle(title)
 161         self["text"].setText("Loading ...\n" + url);
 162
 163         client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
 164
 165     def urlLoaded(self, html):
 166         self["text"].setText(html)
 167
 168     def urlFailed(self, error, url):
 169         self["text"].setText(
 170             "Error fetching URL:\n " + error.getErrorMessage()
 171             + "\n\nURL: " + url
 172             )
 173
 174     def loadNoPage(self):
 175         self["text"].setText("Go and add a page in the settings");
 176
 177     def showSettings(self):
 178         from CurlyTxSettings import CurlyTxSettings
 179         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 180
 181     def onSettingsChanged(self):
 182         self.loadButtons()
 183         if len(config.plugins.CurlyTx.pages) == 0:
 184             self.currentPage = None
 185             self.loadUrl(self.currentPage)
 186         elif self.currentPage == None:
 187             self.currentPage = 0
 188             self.loadUrl(self.currentPage)