diff -r 4ed80ed7e433 -r b1802ebe0066 E5Gui/E5PasswordMeter.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/E5Gui/E5PasswordMeter.py Sun Jun 19 15:19:46 2011 +0200
@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a custom widget indicating the strength of a password.
+"""
+
+from PyQt4.QtGui import QProgressBar
+
+from Utilities.PasswordChecker import PasswordChecker
+
+
+class E5PasswordMeter(QProgressBar):
+ """
+ Class implementing a custom widget indicating the strength of a password.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget (QWidget)
+ """
+ super().__init__(parent)
+
+ super().setTextVisible(False)
+ super().setMaximum(100)
+ self.__increment = 100 // (PasswordChecker.Complexity_VeryStrong + 1)
+
+ self.__indicatorColors = [
+ "#ff0000", # red
+ "#ff8800", # orange
+ "#ffff00", # yellow
+ "#ccff00", # yellow green
+ "#00ff00", # green
+ ]
+ self.__noIndicator = "#ffffff"
+
+ self.__styleSheetTemplate = \
+ "QProgressBar {{"\
+ " border: 2px solid black;" \
+ " border-radius: 5px;" \
+ " text-align: center; }}" \
+ "QProgressBar::chunk:horizontal {{" \
+ " background-color: {0}; }}"
+ self.setStyleSheet(self.__styleSheetTemplate.format(self.__noIndicator))
+
+ def checkPasswordStrength(self, password):
+ """
+ Public slot to check the password strength and update the
+ progress bar accordingly.
+
+ @param password password to be checked (string)
+ """
+ strength = PasswordChecker().checkPassword(password)
+ self.setStyleSheet(self.__styleSheetTemplate.format(
+ self.__indicatorColors[strength]))
+ super().setValue((strength + 1) * self.__increment)
+
+ def setValue(self, value):
+ """
+ Public method to set the value.
+
+ Overwritten to do nothing.
+ """
+ pass
+
+ def setMaximum(self, value):
+ """
+ Public method to set the maximum value.
+
+ Overwritten to do nothing.
+ """
+ pass
+
+ def setMinimum(self, value):
+ """
+ Public method to set the minimal value.
+
+ Overwritten to do nothing.
+ """
+ pass
+
+if __name__ == "__main__":
+ import sys
+ from PyQt4.QtGui import QApplication
+
+ app = QApplication(sys.argv)
+ meter = E5PasswordMeter()
+ meter.show()
+ meter.checkPasswordStrength("Blah2+")
+ app.exec_()
