--- a/qpreferences.py Fri Jan 25 20:51:56 2008 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,141 +0,0 @@
-import os
-from PyQt4 import QtCore, QtGui, uic
-
-def fromVariant(v):
- _cvrts = {0: lambda x:None,
- 1: lambda x:x.toBool(),
- 2: lambda x:x.toInt()[0],
- 6: lambda x:x.toDouble()[0],
- 10: lambda x:unicode(x.toString()),
- 12: lambda x:x.toByteArray(),
- 21: lambda x:x.toSize(),
- 22: lambda x:x.toSizeF(),
- 25: lambda x:x.toPoint(),
- 26: lambda x:x.toPointF(),
-
- }
- t = v.userType()
- return _cvrts[t](v)
-
-class PreferenceItem(object):
- _id = 0
- def __init__(self, default=None, basetype=None, name=None, description=None):
- self._default = default
- self._basetype = basetype
- if self._basetype is None:
- self._basetype = self._default.__class__
- self._id = "_pref%X"%self.__class__._id
- self._name = name
- self._description = description
- self.__class__._id += 1
-
- def __get__(self, obj, cls):
- if obj is None:
- return self
- try:
- return obj.getPref(self._id)
- except Exception, e:
- #print "humm", e
- return None
-
- def __set__(self, obj, value):
- obj.setPref(self._id, value)
-
-class AbstractPreferences(QtCore.QObject):
- def __init__(self):
- QtCore.QObject.__init__(self)
- self._settings = QtCore.QSettings(QtCore.QSettings.UserScope,
- self.ORGANISATION, self.APPLICATION)
- self._prefs = {}
- for k in dir(self.__class__):
- item = getattr(self.__class__, k)
- if isinstance(item, PreferenceItem):
- self._prefs[item._id] = k
-
- def getPref(self, key):
- key = self._prefs.get(key, key)
- default = getattr(self.__class__, key)._default
- if default is not None:
- default = QtCore.QVariant(default)
- else:
- default = QtCore.QVariant()
- val = self._settings.value(key, default)
- return fromVariant(val)
-
- def setPref(self, key, value):
- key = self._prefs.get(key, key)
- self._settings.setValue(key, QtCore.QVariant(value))
-
- def keys(self):
- return [k for k in self._prefs.values() if not k.startswith('_')]
-
- def getName(self, key):
- item = getattr(self.__class__, key)
- return item._name
-
- def getDescription(self, key):
- item = getattr(self.__class__, key)
- return item._description
-
-form_class, base_class = uic.loadUiType(os.path.join(os.path.dirname(__file__), "qpreferences_dialog.ui"))
-
-class PreferencesEditor(QtGui.QDialog, form_class):
- def __init__(self, preferences, parent=None):
- QtGui.QDialog.__init__(self, parent)
- self.setupUi(self)
- self._prefs = preferences
- self.buildUI()
-
- def buildUI(self):
- w = self.centralFrame
- g = QtGui.QGridLayout(w)
- p = self._prefs
- eds = {}
- self._editors = eds
- for i, k in enumerate(p.keys()):
- name = p.getName(k)
- if not name:
- name = k
- l = QtGui.QLabel(name, w)
- g.addWidget(l, i, 0)
- if p.getDescription(k):
- l.setToolTip(p.getDescription(k))
-
- e = QtGui.QLineEdit(w)
- eds[k] = e
- g.addWidget(e, i, 1)
- val = p.getPref(k)
- if val is None:
- val = ''
- if not isinstance(val, basestring):
- val = unicode(val)
- e.setText(val)
-
- g.addWidget(QtGui.QWidget(w), i+1, 0)
- g.setRowStretch(i+1,1)
- g.setColumnStretch(1,1)
-
- def accept(self):
- p=self._prefs
- for k in p.keys():
- newval = unicode(self._editors[k].text())
- p.setPref(k, newval)
- return QtGui.QDialog.accept(self)
-
-if __name__ == '__main__':
- class TestPreferences(AbstractPreferences):
- ORGANISATION="Logilab"
- APPLICATION="test_qpref_editor"
-
- device = PreferenceItem('/dev/ttyUSB0', name="the device")
- address = PreferenceItem(5, description="GPIB address of the plotter")
- _pos = PreferenceItem(None)
- _size = PreferenceItem(None)
- _appState = PreferenceItem(None)
-
- a = QtGui.QApplication([])
-
- prefs = TestPreferences()
- w = PreferencesEditor(prefs)
- w.show()
- a.exec_()