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 from sface.screens.rspecscreen import RSpecScreen
  14
  15 class Nav(QWidget):
  16     def __init__(self, parent=None):
  17         QWidget.__init__(self, parent)
  18
  19         self.title = QLabel("", self)
  20         self.main = QLabel("", self)
  21         self.main.setAlignment(Qt.AlignRight)
  22
  23         self.rspec = QLabel("", self)
  24         self.rspec.setAlignment(Qt.AlignRight)
  25
  26         self.config = QLabel("", self)
  27         self.config.setAlignment(Qt.AlignRight)
  28
  29         hlayout = QHBoxLayout()
  30         hlayout.addWidget(self.title)
  31         hlayout.addStretch()
  32         hlayout.addWidget(QLabel("Go to: ", self))
  33         hlayout.addWidget(self.main)
  34         hlayout.addWidget(self.rspec)
  35         hlayout.addWidget(self.config)
  36         self.setLayout(hlayout)
  37
  38     def setTitle(self, title):
  39         self.title.setText(title)
  40
  41     def setLinks(self, main, rspec, config):
  42         self.main.setText(main)
  43         self.rspec.setText(rspec)
  44         self.config.setText(config)
  45
  46
  47 class Status(QLabel):
  48     def __init__(self, parent=None):
  49         QLabel.__init__(self, "", parent)
  50         self.sliceUpdateDate()
  51
  52     def set(self, msg, timeout):
  53         self.setText(msg)
  54         if timeout:
  55             QTimer.singleShot(timeout, self.reset)
  56
  57     def sliceUpdateDate(self):
  58         rspec_file = config.getSliceRSpecFile()
  59         if not os.path.exists(rspec_file):
  60             return
  61
  62         creation_time = os.stat(rspec_file).st_ctime
  63         last_update = time.ctime(creation_time)
  64         self.set("Slice data last updated on %s" % last_update, timeout=None)
  65
  66     def reset(self):
  67         self.setText("")
  68         QTimer.singleShot(1500, self.sliceUpdateDate)
  69
  70 class MainWindow(QWidget):
  71     def __init__(self, parent=None):
  72         QWidget.__init__(self, parent)
  73
  74         self.logWindow = LogWindow(self)
  75
  76         self.pix = QLabel(self)
  77         self.config_screen = ConfigScreen(self)
  78         self.main_screen = MainScreen(self)
  79         self.rspec_screen = RSpecScreen(self)
  80
  81         self.screens = QStackedWidget(self)
  82         self.screens.addWidget(self.main_screen)
  83         self.screens.addWidget(self.config_screen)
  84         self.screens.addWidget(self.rspec_screen)
  85         self.screens.addWidget(self.pix)
  86         self.next_screen = None
  87
  88         self.nav = Nav(self)
  89         self.nav.setTitle(self.main_screen.getTitleText())
  90         self.nav.setLinks(self.main_screen.getLinkText(),
  91                           self.rspec_screen.getLinkText(),
  92                           self.config_screen.getLinkText())
  93
  94         self.status = Status(self)
  95         self.log = QLabel("<a href='showlog'>Show Log</a>", self)
  96
  97         hlayout = QHBoxLayout()
  98         hlayout.addWidget(self.status)
  99         hlayout.addStretch()
 100         hlayout.addWidget(self.log)
 101
 102         layout = QVBoxLayout()
 103         layout.addWidget(self.nav)
 104         layout.addWidget(self.screens)
 105         layout.addLayout(hlayout)
 106         self.setLayout(layout)
 107         self.resize(800, 600)
 108
 109         for link in (self.nav.main, self.nav.rspec, self.nav.config):
 110             self.connect(link, SIGNAL('linkActivated(QString)'),
 111                          self.animateToScreen)
 112
 113         self.connect(self.log, SIGNAL('linkActivated(QString)'),
 114                      self.showLogWindow)
 115
 116     def redirectOutputToLog(self):
 117         self.logWindow.redirectOutput()
 118
 119     def showLogWindow(self, link):
 120         self.logWindow.show()
 121         self.logWindow.resize(800, 400)
 122         self.logWindow.raise_()
 123         self.logWindow.activateWindow()
 124
 125     def animatePixmap(self, y):
 126         self.pix.move(0, y)
 127
 128     def animateToScreen(self, link):
 129         if link == self.config_screen.name:
 130             self.next_screen = self.config_screen
 131         elif link == self.main_screen.name:
 132             self.next_screen = self.main_screen
 133         elif link == self.rspec_screen.name:
 134             self.next_screen = self.rspec_screen
 135
 136         curr_screen = self.screens.currentWidget()
 137
 138         if self.next_screen == curr_screen:
 139             self.setStatus("Already showing %s" % curr_screen.getTitleText(), timeout=1000)
 140             return
 141
 142         pixmap = QPixmap(self.screens.size())
 143         curr_screen.render(pixmap)
 144         self.screens.setCurrentWidget(self.pix)
 145         self.pix.setPixmap(pixmap)
 146
 147         timeLine = QTimeLine(500, self)
 148         timeLine.setFrameRange(0, self.screens.height());
 149         self.connect(timeLine, SIGNAL('frameChanged(int)'), self.animatePixmap)
 150         self.connect(timeLine, SIGNAL('finished()'), self.toNextScreen)
 151         timeLine.start()
 152
 153
 154     def toNextScreen(self):
 155         if self.next_screen == self.config_screen:
 156             self.toConfigScreen()
 157         elif self.next_screen == self.main_screen:
 158             self.toMainScreen()
 159         elif self.next_screen == self.rspec_screen:
 160             self.toRSpecScreen()
 161
 162     def toConfigScreen(self):
 163         self.screens.setCurrentWidget(self.config_screen)
 164         self.nav.setTitle(self.config_screen.getTitleText())
 165
 166     def toMainScreen(self):
 167         self.screens.setCurrentWidget(self.main_screen)
 168         self.nav.setTitle(self.main_screen.getTitleText())
 169
 170     def toRSpecScreen(self):
 171         self.screens.setCurrentWidget(self.rspec_screen)
 172         self.nav.setTitle(self.rspec_screen.getTitleText())
 173
 174     def setStatus(self, msg, timeout):
 175         self.status.set(msg, timeout)
 176