sface/mainwindow.py

   1
   2 import os
   3 import time
   4
   5 from PyQt4.QtCore import *
   6 from PyQt4.QtGui import *
   7
   8 from sface.config import config
   9 from sface.screens.configscreen import ConfigScreen
  10 from sface.screens.mainscreen import MainScreen
  11
  12 class Nav(QWidget):
  13     def __init__(self, parent=None):
  14         QWidget.__init__(self, parent)
  15
  16         self.title = QLabel("", self)
  17         self.link = QLabel("", self)
  18         self.link.setAlignment(Qt.AlignRight)
  19
  20         hlayout = QHBoxLayout()
  21         hlayout.addWidget(self.title)
  22         hlayout.addStretch()
  23         hlayout.addWidget(self.link)
  24         self.setLayout(hlayout)
  25
  26     def setTitle(self, title):
  27         self.title.setText(title)
  28
  29     def setLink(self, link):
  30         self.link.setText(link)
  31
  32
  33 class Status(QLabel):
  34     def __init__(self, parent=None):
  35         QLabel.__init__(self, "", parent)
  36         self.sliceUpdateDate()
  37
  38     def set(self, msg, timeout):
  39         self.setText(msg)
  40         if timeout:
  41             QTimer.singleShot(timeout, self.reset)
  42
  43     def sliceUpdateDate(self):
  44         rspec_file = config.getSliceRSpecFile()
  45         if not os.path.exists(rspec_file):
  46             return
  47
  48         creation_time = os.stat(rspec_file).st_ctime
  49         last_update = time.ctime(creation_time)
  50         self.set("Slice data last updated on %s" % last_update, timeout=None)
  51
  52     def reset(self):
  53         self.setText("")
  54         QTimer.singleShot(1500, self.sliceUpdateDate)
  55
  56
  57 class MainWindow(QWidget):
  58     def __init__(self, parent=None):
  59         QWidget.__init__(self, parent)
  60
  61         self.config_screen = ConfigScreen(self)
  62         self.main_screen = MainScreen(self)
  63
  64         self.screens = QStackedWidget(self)
  65         self.screens.addWidget(self.main_screen)
  66         self.screens.addWidget(self.config_screen)
  67
  68         self.nav = Nav(self)
  69         self.nav.setTitle(self.main_screen.getTitleText())
  70         self.nav.setLink(self.config_screen.getLinkText())
  71
  72         self.status = Status(self)
  73
  74         layout = QVBoxLayout()
  75         layout.addWidget(self.nav)
  76         layout.addWidget(self.screens)
  77         layout.addWidget(self.status)
  78         self.setLayout(layout)
  79         self.resize(800, 600)
  80
  81         self.connect(self.nav.link, SIGNAL('linkActivated(QString)'),
  82                      self.toScreen)
  83
  84     def toScreen(self, link):
  85         if link == self.config_screen.name:
  86             self.toConfigScreen()
  87         elif link == self.main_screen.name:
  88             self.toMainScreen()
  89
  90     def toConfigScreen(self):
  91         self.screens.setCurrentWidget(self.config_screen)
  92         self.nav.setLink(self.main_screen.getLinkText())
  93         self.nav.setTitle(self.config_screen.getTitleText())
  94
  95     def toMainScreen(self):
  96         self.screens.setCurrentWidget(self.main_screen)
  97         self.nav.setLink(self.config_screen.getLinkText())
  98         self.nav.setTitle(self.main_screen.getTitleText())
  99
 100     def setStatus(self, msg, timeout):
 101         self.status.set(msg, timeout)