Source Code for Module pyanaconda.textw.progress_text

  1  # 
  2  # progress_text.py: text mode install/upgrade progress dialog 
  3  # 
  4  # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007  Red Hat, Inc. 
  5  # All rights reserved. 
  6  # 
  7  # This program is free software; you can redistribute it and/or modify 
  8  # it under the terms of the GNU General Public License as published by 
  9  # the Free Software Foundation; either version 2 of the License, or 
 10  # (at your option) any later version. 
 11  # 
 12  # This program is distributed in the hope that it will be useful, 
 13  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
 14  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 15  # GNU General Public License for more details. 
 16  # 
 17  # You should have received a copy of the GNU General Public License 
 18  # along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 19  # 
 20   
 21  from pyanaconda.constants import * 
 22  from snack import * 
 23  from constants_text import * 
 24  from pyanaconda.iutil import strip_markup 
 25   
 26  import gettext 
 27  _ = lambda x: gettext.ldgettext("anaconda", x) 
 28   
 29  import logging 
 30  log = logging.getLogger("anaconda") 
 31   
 32 -class InstallProgressWindow: 
 33 -    def __init__(self, screen): 
 34          self.screen = screen 
 35          self.drawn = False 
 36   
 37          self.pct = 0 
 38   
 39 -    def __del__ (self): 
 40          if self.drawn: 
 41              self.screen.popWindow () 
 42   
 43 -    def _setupScreen(self): 
 44          screen = self.screen 
 45   
 46          self.grid = GridForm(self.screen, _("Package Installation"), 1, 6) 
 47   
 48          self.width = 65 
 49          self.progress = Scale(self.width, 100) 
 50          self.grid.add (self.progress, 0, 1, (0, 1, 0, 0)) 
 51   
 52          self.label = Label("") 
 53          self.grid.add(self.label, 0, 2, (0, 1, 0, 0), anchorLeft = 1) 
 54   
 55          self.info = Textbox(self.width, 4, "", wrap = 1) 
 56          self.grid.add(self.info, 0, 3, (0, 1, 0, 0)) 
 57   
 58          self.grid.draw() 
 59          screen.refresh() 
 60          self.drawn = True 
 61   
 62 -    def processEvents(self): 
 63          if not self.drawn: 
 64              return 
 65          self.grid.draw() 
 66          self.screen.refresh() 
 67   
 68 -    def setShowPercentage(self, val): 
 69          pass 
 70   
 71 -    def get_fraction(self): 
 72          return self.pct 
 73   
 74 -    def set_fraction(self, pct): 
 75          if not self.drawn: 
 76              self._setupScreen() 
 77   
 78          if pct > 1.0: 
 79              pct = 1.0 
 80   
 81          self.progress.set(int(pct * 100)) 
 82          self.pct = pct 
 83          self.processEvents() 
 84   
 85 -    def set_label(self, txt): 
 86          if not self.drawn: 
 87              self._setupScreen() 
 88           
 89          self.info.setText(strip_markup(txt)) 
 90          self.processEvents() 
 91   
 92 -    def set_text(self, txt): 
 93          if not self.drawn: 
 94              self._setupScreen() 
 95           
 96          if len(txt) > self.width: 
 97              txt = txt[:self.width] 
 98          else: 
 99              spaces = (self.width - len(txt)) / 2 
100              txt = (" " * spaces) + txt 
101           
102          self.label.setText(strip_markup(txt)) 
103          self.processEvents() 
104   
105 -class setupForInstall: 
106   
107 -    def __call__(self, screen, anaconda): 
108          if anaconda.dir == DISPATCH_BACK: 
109              anaconda.intf.setInstallProgressClass(None) 
110              return INSTALL_BACK 
111   
112          anaconda.intf.setInstallProgressClass(InstallProgressWindow(screen)) 
113          return INSTALL_OK 
114   
115  if __name__ == "__main__": 
116      screen = SnackScreen() 
117      ipw = InstallProgressWindow(screen) 
118   
119      import time 
120      ipw._setupScreen() 
121      time.sleep(2) 
122   
123      ipw.set_label("testing blah\n<b>blahblahb</b>lahbl ahalsdfkj") 
124      ipw.set_text("blah blah blah") 
125      ipw.set_fraction(0.25) 
126      time.sleep(2) 
127   
128      p = ipw.get_fraction() 
129   
130      screen.finish() 
131      print(p) 
132