sface/screens/configscreen.py

   1
   2 from PyQt4.QtCore import *
   3 from PyQt4.QtGui import *
   4
   5 from sface.config import config
   6 from sface.screens.sfascreen import SfaScreen
   7
   8 from sfa.util.version import version_core
   9
  10 static_labels = {
  11     'slice' :  "local SFA version : %s" % version_core()['code_tag'],
  12     'registry': "usual port for registry: 12345",
  13     'slicemgr': ["usual port for slice manager: 12347","usual port for aggregate: 12346"],
  14 }
  15
  16 class ConfigWidget(QWidget):
  17     def __init__(self, parent):
  18         QWidget.__init__(self, parent)
  19
  20         glayout = QGridLayout()
  21         row = 0
  22         for (field,msg) in config.field_labels():
  23             # edit : text or checkbox
  24             default=config.field_default(field)
  25             if static_labels.has_key(field):
  26                 labels=static_labels[field]
  27                 if not isinstance(labels,list): labels = [ labels, ]
  28                 for label in labels:
  29                     glayout.addWidget(QLabel(label),row,1)
  30                     row+=1
  31             if isinstance(default,bool):
  32                 edit=QCheckBox(msg)
  33                 if config.is_true(config.get(field)):
  34                     edit.setCheckState(Qt.Checked)
  35             else:
  36                 edit=QLineEdit(config.get(field) or "", self)
  37                 edit.setAttribute(Qt.WA_MacShowFocusRect, 0)
  38             setattr(self,field,edit)
  39
  40             glayout.addWidget(QLabel(msg+":",self), row, 0)
  41             glayout.addWidget(edit, row, 1)
  42
  43             row += 1
  44
  45         hlayout = QHBoxLayout()
  46         hlayout.addStretch()
  47         for (action,label) in [('apply','Apply'),
  48                                ('save','Apply && Save')]:
  49             button=QPushButton(label, self)
  50             button.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
  51             hlayout.addWidget(button, 0, Qt.AlignRight)
  52             hlayout.addSpacing(10)
  53             self.connect(button, SIGNAL('clicked()'), getattr(self,action))
  54
  55         layout = QVBoxLayout()
  56         layout.addLayout(glayout)
  57         layout.addLayout(hlayout)
  58         layout.addStretch()
  59         self.setLayout(layout)
  60
  61
  62     def apply(self):
  63         for field in config.fields():
  64             widget=getattr(self,field)
  65             if isinstance(widget,QCheckBox):
  66                 if widget.checkState() == Qt.Checked:
  67                     config.set(field, True)
  68                 else:
  69                     config.set(field, False)
  70             else:
  71                 config.set(field, str(widget.text()))
  72
  73         self.parent().setStatus("<font color='green'>Settings loaded for current session</font>", timeout=5000)
  74         config.display("after apply")
  75
  76         self.parent().signalAll('configurationChanged')
  77
  78
  79     def save(self):
  80         self.apply()
  81         config.save_config()
  82         self.parent().setStatus("<font color='green'>Configuration saved in %s !</font>"%config.filename(), timeout=5000)
  83
  84 class ConfigScreen(SfaScreen):
  85     def __init__(self, parent):
  86         SfaScreen.__init__(self, parent)
  87
  88         widget = ConfigWidget(self)
  89         self.init(widget, "Configure", "Configure the OneLab SFA crawler")
  90