sface/mainwindow.py

   1 import os
   2 import sys
   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.rspecwindow import RSpecWindow
  11 from sface.screens.configscreen import ConfigScreen
  12 from sface.screens.mainscreen import MainScreen
  13 from sface.screens.helpscreen import HelpScreen
  14
  15 class Nav(QWidget):
  16     def __init__(self, parent=None):
  17         QWidget.__init__(self, parent)
  18
  19         self.title = QLabel("", self)
  20         scene=QGraphicsScene()
  21         pixmap = QPixmap('/Users/parmentelat/git/sface/macos/graphic-sfa64.png')
  22         logolabel=QLabel("",self)
  23         logolabel.setPixmap(pixmap)
  24         self.main = QLabel("", self)
  25         self.main.setAlignment(Qt.AlignRight)
  26
  27         self.config = QLabel("", self)
  28         self.config.setAlignment(Qt.AlignRight)
  29
  30         self.help = QLabel("", self)
  31         self.help.setAlignment(Qt.AlignRight)
  32
  33         hlayout = QHBoxLayout()
  34         hlayout.addWidget(logolabel)
  35         hlayout.addWidget(self.title)
  36         hlayout.addStretch()
  37         hlayout.addWidget(QLabel("Go to: ", self))
  38         hlayout.addWidget(self.main)
  39         hlayout.addWidget(self.config)
  40         hlayout.addWidget(self.help)
  41         self.setLayout(hlayout)
  42
  43     def setTitle(self, title):
  44         self.title.setText(title)
  45
  46     def setLinks(self, main, config, help):
  47         self.main.setText(main)
  48         self.config.setText(config)
  49         self.help.setText(help)
  50
  51
  52 class Status(QLabel):
  53     def __init__(self, parent=None):
  54         QLabel.__init__(self, "", parent)
  55         self.sliceUpdateDate()
  56
  57     def set(self, msg, timeout):
  58         self.setText(msg)
  59         if timeout:
  60             QTimer.singleShot(timeout, self.reset)
  61
  62     def sliceUpdateDate(self):
  63         rspec_file = config.getSliceRSpecFile()
  64         if not os.path.exists(rspec_file):
  65             return
  66
  67         creation_time = os.stat(rspec_file).st_ctime
  68         last_update = time.ctime(creation_time)
  69         self.set("Slice data last updated on %s" % last_update, timeout=None)
  70
  71     def reset(self):
  72         self.setText("")
  73         QTimer.singleShot(1500, self.sliceUpdateDate)
  74
  75
  76 class MainWindow(QWidget):
  77     def __init__(self, parent=None):
  78         QWidget.__init__(self, parent)
  79
  80         self.logWindow = LogWindow(self)
  81         self.rspecWindow = RSpecWindow(self)
  82
  83         self.pix = QLabel(self)
  84         self.config_screen = ConfigScreen(self)
  85         self.main_screen = MainScreen(self)
  86         self.help_screen = HelpScreen(self)
  87
  88         self.screens = QStackedWidget(self)
  89         self.screens.addWidget(self.main_screen)
  90         self.screens.addWidget(self.config_screen)
  91         self.screens.addWidget(self.help_screen)
  92         self.screens.addWidget(self.pix)
  93         self.next_screen = None
  94
  95         self.nav = Nav(self)
  96         self.nav.setTitle(self.main_screen.getTitleText())
  97         self.nav.setLinks(self.main_screen.getLinkText(),
  98                           self.config_screen.getLinkText(),
  99                           self.help_screen.getLinkText())
 100
 101         self.status = Status(self)
 102         self.log = QLabel("<a href='showlog'>Show Log</a>", self)
 103         self.rspec = QLabel("<a href='showlog'>Show RSpec</a>", self)
 104
 105         hlayout = QHBoxLayout()
 106         hlayout.addWidget(self.status)
 107         hlayout.addStretch()
 108         hlayout.addWidget(self.rspec)
 109         hlayout.addWidget(self.log)
 110
 111         layout = QVBoxLayout()
 112         layout.addWidget(self.nav)
 113         layout.addWidget(self.screens)
 114         layout.addLayout(hlayout)
 115         self.setLayout(layout)
 116         self.resize(800, 500)
 117
 118         for link in (self.nav.main, self.nav.config, self.nav.help):
 119             self.connect(link, SIGNAL('linkActivated(QString)'),
 120                          self.animateToScreen)
 121
 122         self.connect(self.log, SIGNAL('linkActivated(QString)'),
 123                      self.showLogWindow)
 124         self.connect(self.rspec, SIGNAL('linkActivated(QString)'),
 125                      self.showRSpecWindow)
 126
 127     def redirectOutputToLog(self):
 128         self.logWindow.redirectOutput()
 129
 130     def showLogWindow(self, link):
 131         self.logWindow.show()
 132         self.logWindow.resize(800, 200)
 133         self.logWindow.raise_()
 134         self.logWindow.activateWindow()
 135
 136     def showRSpecWindow(self, link):
 137         self.rspecWindow.show()
 138         self.rspecWindow.resize(500, 640)
 139         self.rspecWindow.raise_()
 140         self.rspecWindow.activateWindow()
 141
 142
 143     def animatePixmap(self, y):
 144         self.pix.move(0, y)
 145
 146     def animateToScreen(self, link):
 147         if link == self.config_screen.name:
 148             self.next_screen = self.config_screen
 149         elif link == self.main_screen.name:
 150             self.next_screen = self.main_screen
 151         elif link == self.help_screen.name:
 152             self.next_screen = self.help_screen
 153
 154         curr_screen = self.screens.currentWidget()
 155
 156         if self.next_screen == curr_screen:
 157             self.setStatus("Already showing %s" % curr_screen.getTitleText(), timeout=1000)
 158             return
 159
 160         # This is an optimization to have a smoother animation. We
 161         # render the widget into a pixmap and animate that instead of
 162         # moving the whole widget around.
 163         pixmap = QPixmap(self.screens.size())
 164         curr_screen.render(pixmap)
 165         self.screens.setCurrentWidget(self.pix)
 166         self.pix.setPixmap(pixmap)
 167
 168         timeLine = QTimeLine(500, self)
 169         timeLine.setFrameRange(0, self.screens.height());
 170         self.connect(timeLine, SIGNAL('frameChanged(int)'), self.animatePixmap)
 171         self.connect(timeLine, SIGNAL('finished()'), self.toNextScreen)
 172         timeLine.start()
 173
 174
 175     def toNextScreen(self):
 176         if self.next_screen == self.config_screen:
 177             self.toConfigScreen()
 178         elif self.next_screen == self.main_screen:
 179             self.toMainScreen()
 180         elif self.next_screen == self.help_screen:
 181             self.toHelpScreen()
 182
 183     def toConfigScreen(self):
 184         self.screens.setCurrentWidget(self.config_screen)
 185         self.nav.setTitle(self.config_screen.getTitleText())
 186
 187     def toHelpScreen(self):
 188         self.screens.setCurrentWidget(self.help_screen)
 189         self.nav.setTitle(self.help_screen.getTitleText())
 190
 191     def toMainScreen(self):
 192         self.screens.setCurrentWidget(self.main_screen)
 193         self.nav.setTitle(self.main_screen.getTitleText())
 194
 195     def setStatus(self, msg, timeout):
 196         self.status.set(msg, timeout)
 197
 198     def nodeSelectionChanged(self, hostname):
 199         if self.rspecWindow.isVisible():
 200             self.rspecWindow.showNode(hostname)