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