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 from sface.version import version_dict
  10
  11 static_labels = {
  12     'slice' :  [
  13         "Sface : %s (%s)" % (version_dict()['code_tag'], version_dict()['code_url']),
  14         "with (local) SFA libs : %s (%s)" % (version_core()['code_tag'],version_core()['code_url']),
  15         ] ,
  16     'registry': "usual port for registry: 12345",
  17     'slicemgr': ["usual port for slice manager: 12347","usual port for aggregate: 12346"],
  18 }
  19
  20 class ConfigWidget(QWidget):
  21     def __init__(self, parent):
  22         QWidget.__init__(self, parent)
  23
  24         glayout = QGridLayout()
  25         row = 0
  26         for (field,msg) in config.field_labels():
  27             # edit : text or checkbox
  28             default=config.field_default(field)
  29             if static_labels.has_key(field):
  30                 labels=static_labels[field]
  31                 if not isinstance(labels,list): labels = [ labels, ]
  32                 for label in labels:
  33                     glayout.addWidget(QLabel(label),row,1)
  34                     row+=1
  35             if isinstance(default,bool):
  36                 edit=QCheckBox(msg)
  37                 if config.is_true(config.get(field)):
  38                     edit.setCheckState(Qt.Checked)
  39             else:
  40                 edit=QLineEdit(config.get(field) or "", self)
  41                 edit.setAttribute(Qt.WA_MacShowFocusRect, 0)
  42             setattr(self,field,edit)
  43
  44             glayout.addWidget(QLabel(msg+":",self), row, 0)
  45             glayout.addWidget(edit, row, 1)
  46
  47             row += 1
  48
  49         hlayout = QHBoxLayout()
  50         hlayout.addStretch()
  51         for (action,label) in [('apply','Apply'),
  52                                ('save','Apply && Save')]:
  53             button=QPushButton(label, self)
  54             button.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
  55             hlayout.addWidget(button, 0, Qt.AlignRight)
  56             hlayout.addSpacing(10)
  57             self.connect(button, SIGNAL('clicked()'), getattr(self,action))
  58
  59         layout = QVBoxLayout()
  60         layout.addLayout(glayout)
  61         layout.addLayout(hlayout)
  62         layout.addStretch()
  63         self.setLayout(layout)
  64
  65
  66     def apply(self):
  67         for field in config.fields():
  68             widget=getattr(self,field)
  69             if isinstance(widget,QCheckBox):
  70                 if widget.checkState() == Qt.Checked:
  71                     config.set(field, True)
  72                 else:
  73                     config.set(field, False)
  74             else:
  75                 config.set(field, str(widget.text()))
  76
  77         self.parent().setStatus("<font color='green'>Settings loaded for current session</font>", timeout=5000)
  78         config.display("after apply")
  79
  80         self.parent().signalAll('configurationChanged')
  81
  82
  83     def save(self):
  84         self.apply()
  85         config.save_config()
  86         self.parent().setStatus("<font color='green'>Configuration saved in %s !</font>"%config.filename(), timeout=5000)
  87
  88 class ConfigScreen(SfaScreen):
  89     def __init__(self, parent):
  90         SfaScreen.__init__(self, parent)
  91
  92         widget = ConfigWidget(self)
  93         self.init(widget, "Configure", "Configure the OneLab SFA crawler")
  94