import os, os.path
import sys
import time
+import traceback
from PyQt4.QtCore import *
from PyQt4.QtGui import *
+import sface.screens
from sface.config import config
from sface.logwindow import LogWindow
from sface.rspecwindow import RSpecWindow
-from sface.screens.configscreen import ConfigScreen
-from sface.screens.mainscreen import MainScreen
-from sface.screens.helpscreen import HelpScreen
+from sface.screens.sfascreen import SfaScreen
# depending on the platform..
+# could probably use Qt's resource system but looks overkill for just one file...
def locate_image_file (filename):
- for dir in [ '/usr/share' ] :
+ for dir in [ '/usr/share', '/Applications/sface.app/Contents/Resources/sface' ] :
for suffix in ['png','jpg']:
attempt=os.path.join(dir,'images',"%s.%s"%(filename,suffix))
if os.path.isfile(attempt) : return attempt
return os.path.join('/could/not/locate/image/file',filename)
-
+
+def load_screens(dirname):
+ modnames = []
+ for fn in os.listdir(dirname):
+ if not fn.endswith(".py"):
+ continue
+ modname = fn.rsplit(".py",1)[0]
+ if modname == "sfascreen":
+ # ignore this, it's the base class, not a screen
+ continue
+ modnames.append(modname)
+
+ # we want the stock screens to show up in a specific order. plugins can
+ # show up in any order afterward.
+
+ sort_order = ["mainscreen", "configscreen", "helpscreen"]
+ sort_order.reverse()
+ for modname in sort_order:
+ if modname in modnames:
+ modnames.remove(modname)
+ modnames.insert(0,modname)
+
+ # import each module and find whatever class(es) is descendant from
+ # SfaScreen within the module. Might be a better idea to just define a
+ # screens=[] variable in each module
+
+ screens = []
+ for modname in modnames:
+ try:
+ mod = __import__("sface.screens." + modname, fromlist=["modname"])
+ except:
+ print "Exception while importing screen", modname
+ traceback.print_exc()
+ continue
+
+ for object in dir(mod):
+ object = getattr(mod, object)
+ if hasattr(object, "__bases__") and sface.screens.sfascreen.SfaScreen in object.__bases__:
+ screens.append(object)
+
+ return screens
class Nav(QWidget):
- def __init__(self, parent=None):
+ def __init__(self, screens, parent=None):
QWidget.__init__(self, parent)
-
+
self.title = QLabel("", self)
scene=QGraphicsScene()
- pixmap = QPixmap(locate_image_file('graphic-sfa.png'))
+ pixmap = QPixmap(locate_image_file('graphic-sfa64'))
logolabel=QLabel("",self)
logolabel.setPixmap(pixmap)
- self.main = QLabel("", self)
- self.main.setAlignment(Qt.AlignRight)
-
- self.config = QLabel("", self)
- self.config.setAlignment(Qt.AlignRight)
-
- self.help = QLabel("", self)
- self.help.setAlignment(Qt.AlignRight)
hlayout = QHBoxLayout()
hlayout.addWidget(logolabel)
hlayout.addWidget(self.title)
hlayout.addStretch()
- hlayout.addWidget(QLabel("Go to: ", self))
- hlayout.addWidget(self.main)
- hlayout.addWidget(self.config)
- hlayout.addWidget(self.help)
+ gotolabel=QLabel("Go to: ", self)
+ gotolabel.setAlignment(Qt.AlignRight)
+ hlayout.addWidget(gotolabel)
+
+ self.screenLabels = []
+ for screen in screens:
+ label = QLabel(screen.getLinkText(), self)
+ label.setAlignment(Qt.AlignRight)
+ self.screenLabels.append(label)
+ hlayout.addWidget(label)
+
self.setLayout(hlayout)
def setTitle(self, title):
self.title.setText(title)
- def setLinks(self, main, config, help):
- self.main.setText(main)
- self.config.setText(config)
- self.help.setText(help)
-
class Status(QLabel):
def __init__(self, parent=None):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
- self.logWindow = LogWindow(self)
- self.rspecWindow = RSpecWindow(self)
+ # These are top-level windows and should be initialized with parent set
+ # to our parent. Otherwise, getting a segfault on exit in Ubuntu.
+ self.logWindow = LogWindow(parent)
+ self.rspecWindow = RSpecWindow(parent)
self.pix = QLabel(self)
- self.config_screen = ConfigScreen(self)
- self.main_screen = MainScreen(self)
- self.help_screen = HelpScreen(self)
+
+ screenClasses = load_screens(os.path.dirname(sface.screens.__file__))
+ self.screenWidgets = []
self.screens = QStackedWidget(self)
- self.screens.addWidget(self.main_screen)
- self.screens.addWidget(self.config_screen)
- self.screens.addWidget(self.help_screen)
+ for screen in screenClasses:
+ # use a try/catch block to isolate the screen. Third-party plugins
+ # could be buggy.
+ try:
+ screenWidget = screen(self)
+ self.screenWidgets.append(screenWidget)
+ self.screens.addWidget(screenWidget)
+ except:
+ print "Exception while creating screen", screen.__name__
+ traceback.print_exc()
+
self.screens.addWidget(self.pix)
self.next_screen = None
- self.nav = Nav(self)
- self.nav.setTitle(self.main_screen.getTitleText())
- self.nav.setLinks(self.main_screen.getLinkText(),
- self.config_screen.getLinkText(),
- self.help_screen.getLinkText())
+ self.nav = Nav(self.screenWidgets, self)
+
+ if self.screenWidgets:
+ self.nav.setTitle(self.screenWidgets[0].getTitleText())
self.status = Status(self)
self.log = QLabel("<a href='showlog'>Show Log</a>", self)
self.setLayout(layout)
self.resize(800, 500)
- for link in (self.nav.main, self.nav.config, self.nav.help):
+ for link in self.nav.screenLabels:
self.connect(link, SIGNAL('linkActivated(QString)'),
self.animateToScreen)
self.pix.move(0, y)
def animateToScreen(self, link):
- if link == self.config_screen.name:
- self.next_screen = self.config_screen
- elif link == self.main_screen.name:
- self.next_screen = self.main_screen
- elif link == self.help_screen.name:
- self.next_screen = self.help_screen
+ for screen in self.screenWidgets:
+ if link == screen.name:
+ self.next_screen = screen
curr_screen = self.screens.currentWidget()
def toNextScreen(self):
- if self.next_screen == self.config_screen:
- self.toConfigScreen()
- elif self.next_screen == self.main_screen:
- self.toMainScreen()
- elif self.next_screen == self.help_screen:
- self.toHelpScreen()
-
- def toConfigScreen(self):
- self.screens.setCurrentWidget(self.config_screen)
- self.nav.setTitle(self.config_screen.getTitleText())
-
- def toHelpScreen(self):
- self.screens.setCurrentWidget(self.help_screen)
- self.nav.setTitle(self.help_screen.getTitleText())
-
- def toMainScreen(self):
- self.screens.setCurrentWidget(self.main_screen)
- self.nav.setTitle(self.main_screen.getTitleText())
+ self.screens.setCurrentWidget(self.next_screen)
+ self.nav.setTitle(self.next_screen.getTitleText())
def setStatus(self, msg, timeout):
self.status.set(msg, timeout)
def nodeSelectionChanged(self, hostname):
if self.rspecWindow.isVisible():
self.rspecWindow.showNode(hostname)
+
+ def closeEvent(self, event):
+ # give the screens an opportunity to veto the close
+ for screen in self.screenWidgets:
+ if not screen.canClose():
+ event.ignore()
+ return
+
+ # give the screens an opportunity to close gracefully
+ for screen in self.screenWidgets:
+ screen.mainWindowClose()
+
+ QWidget.closeEvent(self, event)
+
git://git.onelab.eu / sface.git / blobdiff