sface/mainwindow.py

   1
   2 import os
   3 import sys
   4 import time
   5
   6 from PyQt4.QtCore import *
   7 from PyQt4.QtGui import *
   8
   9 from sface.config import config
  10 from sface.logwindow import LogWindow
  11 from sface.screens.configscreen import ConfigScreen
  12 from sface.screens.mainscreen import MainScreen
  13
  14 class Nav(QWidget):
  15     def __init__(self, parent=None):
  16         QWidget.__init__(self, parent)
  17
  18         self.title = QLabel("", self)
  19         self.link = QLabel("", self)
  20         self.link.setAlignment(Qt.AlignRight)
  21
  22         hlayout = QHBoxLayout()
  23         hlayout.addWidget(self.title)
  24         hlayout.addStretch()
  25         hlayout.addWidget(self.link)
  26         self.setLayout(hlayout)
  27
  28     def setTitle(self, title):
  29         self.title.setText(title)
  30
  31     def setLink(self, link):
  32         self.link.setText(link)
  33
  34
  35 class Status(QLabel):
  36     def __init__(self, parent=None):
  37         QLabel.__init__(self, "", parent)
  38         self.sliceUpdateDate()
  39
  40     def set(self, msg, timeout):
  41         self.setText(msg)
  42         if timeout:
  43             QTimer.singleShot(timeout, self.reset)
  44
  45     def sliceUpdateDate(self):
  46         rspec_file = config.getSliceRSpecFile()
  47         if not os.path.exists(rspec_file):
  48             return
  49
  50         creation_time = os.stat(rspec_file).st_ctime
  51         last_update = time.ctime(creation_time)
  52         self.set("Slice data last updated on %s" % last_update, timeout=None)
  53
  54     def reset(self):
  55         self.setText("")
  56         QTimer.singleShot(1500, self.sliceUpdateDate)
  57
  58 class MainWindow(QWidget):
  59     def __init__(self, parent=None):
  60         QWidget.__init__(self, parent)
  61
  62         self.logWindow = LogWindow(self)
  63
  64         self.pix = QLabel(self)
  65         self.config_screen = ConfigScreen(self)
  66         self.main_screen = MainScreen(self)
  67
  68         self.screens = QStackedWidget(self)
  69         self.screens.addWidget(self.main_screen)
  70         self.screens.addWidget(self.config_screen)
  71         self.screens.addWidget(self.pix)
  72         self.next_screen = None
  73
  74         self.nav = Nav(self)
  75         self.nav.setTitle(self.main_screen.getTitleText())
  76         self.nav.setLink(self.config_screen.getLinkText())
  77
  78         self.status = Status(self)
  79         self.log = QLabel("<a href='showlog'>Show Log</a>", self)
  80
  81         hlayout = QHBoxLayout()
  82         hlayout.addWidget(self.status)
  83         hlayout.addStretch()
  84         hlayout.addWidget(self.log)
  85
  86         layout = QVBoxLayout()
  87         layout.addWidget(self.nav)
  88         layout.addWidget(self.screens)
  89         layout.addLayout(hlayout)
  90         self.setLayout(layout)
  91         self.resize(800, 600)
  92
  93         self.connect(self.nav.link, SIGNAL('linkActivated(QString)'),
  94                      self.animateToScreen)
  95         self.connect(self.log, SIGNAL('linkActivated(QString)'),
  96                      self.showLogWindow)
  97
  98     def redirectOutputToLog(self):
  99         self.logWindow.redirectOutput()
 100
 101     def showLogWindow(self, link):
 102         self.logWindow.show()
 103         self.logWindow.resize(500, 500)
 104         self.logWindow.raise_()
 105         self.logWindow.activateWindow()
 106
 107     def animatePixmap(self, y):
 108         self.pix.move(0, y)
 109
 110     def animateToScreen(self, link):
 111         if link == self.config_screen.name:
 112             self.next_screen = self.config_screen
 113         elif link == self.main_screen.name:
 114             self.next_screen = self.main_screen
 115
 116         pixmap = QPixmap(self.screens.size())
 117         self.screens.currentWidget().render(pixmap)
 118         self.screens.setCurrentWidget(self.pix)
 119         self.pix.setPixmap(pixmap)
 120
 121         timeLine = QTimeLine(500, self)
 122         timeLine.setFrameRange(0, self.screens.height());
 123         self.connect(timeLine, SIGNAL('frameChanged(int)'), self.animatePixmap)
 124         self.connect(timeLine, SIGNAL('finished()'), self.toNextScreen)
 125         timeLine.start()
 126
 127
 128     def toNextScreen(self):
 129         if self.next_screen == self.config_screen:
 130             self.toConfigScreen()
 131         elif self.next_screen == self.main_screen:
 132             self.toMainScreen()
 133
 134     def toConfigScreen(self):
 135         self.screens.setCurrentWidget(self.config_screen)
 136         self.nav.setLink(self.main_screen.getLinkText())
 137         self.nav.setTitle(self.config_screen.getTitleText())
 138
 139     def toMainScreen(self):
 140         self.screens.setCurrentWidget(self.main_screen)
 141         self.nav.setLink(self.config_screen.getLinkText())
 142         self.nav.setTitle(self.main_screen.getTitleText())
 143
 144     def setStatus(self, msg, timeout):
 145         self.status.set(msg, timeout)