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.logwindow import LogWindow
  10 from sface.screens.configscreen import ConfigScreen
  11 from sface.screens.mainscreen import MainScreen
  12
  13 class Nav(QWidget):
  14     def __init__(self, parent=None):
  15         QWidget.__init__(self, parent)
  16
  17         self.title = QLabel("", self)
  18         self.link = QLabel("", self)
  19         self.link.setAlignment(Qt.AlignRight)
  20
  21         hlayout = QHBoxLayout()
  22         hlayout.addWidget(self.title)
  23         hlayout.addStretch()
  24         hlayout.addWidget(self.link)
  25         self.setLayout(hlayout)
  26
  27     def setTitle(self, title):
  28         self.title.setText(title)
  29
  30     def setLink(self, link):
  31         self.link.setText(link)
  32
  33
  34 class Status(QLabel):
  35     def __init__(self, parent=None):
  36         QLabel.__init__(self, "", parent)
  37         self.sliceUpdateDate()
  38
  39     def set(self, msg, timeout):
  40         self.setText(msg)
  41         if timeout:
  42             QTimer.singleShot(timeout, self.reset)
  43
  44     def sliceUpdateDate(self):
  45         rspec_file = config.getSliceRSpecFile()
  46         if not os.path.exists(rspec_file):
  47             return
  48
  49         creation_time = os.stat(rspec_file).st_ctime
  50         last_update = time.ctime(creation_time)
  51         self.set("Slice data last updated on %s" % last_update, timeout=None)
  52
  53     def reset(self):
  54         self.setText("")
  55         QTimer.singleShot(1500, self.sliceUpdateDate)
  56
  57 class MainWindow(QWidget):
  58     def __init__(self, parent=None):
  59         QWidget.__init__(self, parent)
  60
  61         self.logWindow = LogWindow(self)
  62
  63         self.pix = QLabel(self)
  64         self.config_screen = ConfigScreen(self)
  65         self.main_screen = MainScreen(self)
  66
  67         self.screens = QStackedWidget(self)
  68         self.screens.addWidget(self.main_screen)
  69         self.screens.addWidget(self.config_screen)
  70         self.screens.addWidget(self.pix)
  71         self.next_screen = None
  72
  73         self.nav = Nav(self)
  74         self.nav.setTitle(self.main_screen.getTitleText())
  75         self.nav.setLink(self.config_screen.getLinkText())
  76
  77         self.status = Status(self)
  78         self.log = QLabel("<a href='showlog'>Show Log</a>", self)
  79
  80         hlayout = QHBoxLayout()
  81         hlayout.addWidget(self.status)
  82         hlayout.addStretch()
  83         hlayout.addWidget(self.log)
  84
  85         layout = QVBoxLayout()
  86         layout.addWidget(self.nav)
  87         layout.addWidget(self.screens)
  88         layout.addLayout(hlayout)
  89         self.setLayout(layout)
  90         self.resize(800, 600)
  91
  92         self.connect(self.nav.link, SIGNAL('linkActivated(QString)'),
  93                      self.animateToScreen)
  94         self.connect(self.log, SIGNAL('linkActivated(QString)'),
  95                      self.showLogWindow)
  96
  97     def showLogWindow(self, link):
  98         self.logWindow.show()
  99         self.logWindow.raise_()
 100         self.logWindow.activateWindow()
 101
 102     def animatePixmap(self, y):
 103         self.pix.move(0, y)
 104
 105     def animateToScreen(self, link):
 106         if link == self.config_screen.name:
 107             self.next_screen = self.config_screen
 108         elif link == self.main_screen.name:
 109             self.next_screen = self.main_screen
 110
 111         pixmap = QPixmap(self.screens.size())
 112         self.screens.currentWidget().render(pixmap)
 113         self.screens.setCurrentWidget(self.pix)
 114         self.pix.setPixmap(pixmap)
 115
 116         timeLine = QTimeLine(500, self)
 117         timeLine.setFrameRange(0, self.screens.height());
 118         self.connect(timeLine, SIGNAL('frameChanged(int)'), self.animatePixmap)
 119         self.connect(timeLine, SIGNAL('finished()'), self.toNextScreen)
 120         timeLine.start()
 121
 122
 123     def toNextScreen(self):
 124         if self.next_screen == self.config_screen:
 125             self.toConfigScreen()
 126         elif self.next_screen == self.main_screen:
 127             self.toMainScreen()
 128
 129     def toConfigScreen(self):
 130         self.screens.setCurrentWidget(self.config_screen)
 131         self.nav.setLink(self.main_screen.getLinkText())
 132         self.nav.setTitle(self.config_screen.getTitleText())
 133
 134     def toMainScreen(self):
 135         self.screens.setCurrentWidget(self.main_screen)
 136         self.nav.setLink(self.config_screen.getLinkText())
 137         self.nav.setTitle(self.main_screen.getTitleText())
 138
 139     def setStatus(self, msg, timeout):
 140         self.status.set(msg, timeout)