PyQT learning exercise 1 solution

exercise1.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Form</class>
 <widget class="QWidget" name="Form">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>300</width>
    <height>150</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>TestDialog</string>
  </property>
  <widget class="QPushButton" name="pushButton">
   <property name="geometry">
    <rect>
     <x>80</x>
     <y>70</y>
     <width>131</width>
     <height>61</height>
    </rect>
   </property>
   <property name="text">
    <string>Push Me to
enabled/disable
the checkbox</string>
   </property>
  </widget>
  <widget class="QCheckBox" name="checkBox">
   <property name="enabled">
    <bool>false</bool>
   </property>
   <property name="geometry">
    <rect>
     <x>90</x>
     <y>20</y>
     <width>121</width>
     <height>31</height>
    </rect>
   </property>
   <property name="text">
    <string>Disabled Checkbox</string>
   </property>
  </widget>
 </widget>
 <resources/>
 <connections/>
</ui>

learningExercise1.py

__author__ = 'Defron'

import sys
from PyQt4 import QtCore, QtGui, uic


class MyWidget(QtGui.QWidget):

    def __init__(self, parent=None):
        super(MyWidget, self).__init__(parent)
        self.ui = uic.loadUi('exercise1.ui', self)

        self.ui.pushButton.clicked.connect(self.toggle_checkbox)
#       self.connect(self.ui.pushButton, QtCore.SIGNAL('clicked()'), self.toggleCheckbox)

    def toggle_checkbox(self):
        if(self.ui.checkBox.isEnabled()):
            self.ui.checkBox.setDisabled(True)
            self.ui.checkBox.setText("Disabled Checkbox")
            self.ui.checkBox.toggle()
        else:
            self.ui.checkBox.setEnabled(True)
            self.ui.checkBox.setText("Enabled Checkbox")
            self.ui.checkBox.toggle()
        


if(__name__ == '__main__'):
    app = QtGui.QApplication(sys.argv)
    window = MyWidget()
    window.show()
    app.exec_()