Form to send a survey

git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@57 014f5005-505e-4b48-8d0a-63407b615a7c

CHANGELOG

@@ -42,4 +42,5 @@
 - Changed internal rename method. Now uses a dictionary
 - Optimized saving of relations
 - Can save relations from gui
-- Outer join methods simplified
+- Outer join methods simplified
+- Form to send a survey

maingui.py

@@ -22,11 +22,14 @@ import relation
 import parser
 import sys
 import about
+import survey
 import os
+import surveyForm
 
 class Ui_Form(object):
 	def __init__(self):
 		self.About=None
+		self.Survey=None
 		self.relations={} #Dictionary for relations
 	def execute(self):
 		try:
@@ -101,6 +104,13 @@ class Ui_Form(object):
 		for i in self.lstRelations.selectedItems():
 			del self.relations[str(i.text().toUtf8())]
 		self.updateRelations()
+	def showSurvey(self):
+	  if self.Survey==None:
+	    self.Survey=surveyForm.surveyForm()
+	    ui = survey.Ui_Form()
+	    self.Survey.setUi(ui)
+	    ui.setupUi(self.Survey)
+	  self.Survey.show()
 	def showAbout(self):
 		if self.About==None:
 			self.About = QtGui.QDialog()
@@ -180,8 +190,11 @@ class Ui_Form(object):
 		self.verticalLayout_8 = QtGui.QVBoxLayout(self.groupBox_4)
 		self.verticalLayout_8.setObjectName("verticalLayout_8")
 		self.cmdAbout = QtGui.QPushButton(self.groupBox_4)
+		self.cmdSurvey = QtGui.QPushButton(self.groupBox_4)
 		self.cmdAbout.setObjectName("cmdAbout")
+		self.cmdSurvey.setObjectName("cmdSurvey")
 		self.verticalLayout_8.addWidget(self.cmdAbout)
+		self.verticalLayout_8.addWidget(self.cmdSurvey)
 		self.verticalLayout_4.addWidget(self.groupBox_4)
 		self.groupBox = QtGui.QGroupBox(Form)
 		self.groupBox.setObjectName("groupBox")
@@ -310,6 +323,7 @@ class Ui_Form(object):
 		self.retranslateUi(Form)
 		QtCore.QObject.connect(self.txtQuery,QtCore.SIGNAL("returnPressed()"),self.execute)
 		QtCore.QObject.connect(self.cmdAbout,QtCore.SIGNAL("clicked()"),self.showAbout)
+		QtCore.QObject.connect(self.cmdSurvey,QtCore.SIGNAL("clicked()"),self.showSurvey)
 		QtCore.QObject.connect(self.cmdProduct,QtCore.SIGNAL("clicked()"),self.addProduct)
 		QtCore.QObject.connect(self.cmdDifference,QtCore.SIGNAL("clicked()"),self.addDifference)
 		QtCore.QObject.connect(self.cmdUnion,QtCore.SIGNAL("clicked()"),self.addUnion)
@@ -344,11 +358,13 @@ class Ui_Form(object):
 		Form.setTabOrder(self.cmdOuterLeft,self.cmdProjection)
 		Form.setTabOrder(self.cmdProjection,self.cmdRename)
 		Form.setTabOrder(self.cmdRename,self.cmdAbout)
+		Form.setTabOrder(self.cmdAbout,self.cmdSurvey)
 
 	def retranslateUi(self, Form):
 		Form.setWindowTitle(QtGui.QApplication.translate("Form", "Relational", None, QtGui.QApplication.UnicodeUTF8))
 		self.groupBox_4.setTitle(QtGui.QApplication.translate("Form", "Menu", None, QtGui.QApplication.UnicodeUTF8))
 		self.cmdAbout.setText(QtGui.QApplication.translate("Form", "Docs", None, QtGui.QApplication.UnicodeUTF8))
+		self.cmdSurvey.setText(QtGui.QApplication.translate("Form", "Survey", None, QtGui.QApplication.UnicodeUTF8))
 		self.groupBox.setTitle(QtGui.QApplication.translate("Form", "Operators", None, QtGui.QApplication.UnicodeUTF8))
 		self.cmdProduct.setToolTip(QtGui.QApplication.translate("Form", "Product operator", None, QtGui.QApplication.UnicodeUTF8))
 		self.cmdProduct.setText(QtGui.QApplication.translate("Form", "*", None, QtGui.QApplication.UnicodeUTF8))
@@ -387,8 +403,7 @@ class Ui_Form(object):
 		self.lstAttributes.setToolTip(QtGui.QApplication.translate("Form", "Shows the attributes of the current relation", None, QtGui.QApplication.UnicodeUTF8))
 		self.label.setText(QtGui.QApplication.translate("Form", "Query", None, QtGui.QApplication.UnicodeUTF8))
 		self.label_2.setText(QtGui.QApplication.translate("Form", "=", None, QtGui.QApplication.UnicodeUTF8))
-		self.cmdExecute.setText(QtGui.QApplication.translate("Form", "Execute", None, QtGui.QApplication.UnicodeUTF8))
-
+		self.cmdExecute.setText(QtGui.QApplication.translate("Form", "Execute", None, QtGui.QApplication.UnicodeUTF8))    
 
 if __name__ == "__main__":
 	import sys

survey.py

@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'survey.ui'
+#
+# Created: Tue Nov 11 11:46:10 2008
+#      by: PyQt4 UI code generator 4.4.2
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt4 import QtCore, QtGui
+
+class Ui_Form(object):
+    def setupUi(self, Form):
+        Form.setObjectName("Form")
+        Form.resize(400,322)
+        self.verticalLayout = QtGui.QVBoxLayout(Form)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.formLayout = QtGui.QGridLayout()
+        self.formLayout.setObjectName("formLayout")
+        self.txtSystem = QtGui.QLineEdit(Form)
+        self.txtSystem.setObjectName("txtSystem")
+        self.formLayout.addWidget(self.txtSystem,0,1,1,1)
+        self.label = QtGui.QLabel(Form)
+        self.label.setObjectName("label")
+        self.formLayout.addWidget(self.label,1,0,1,1)
+        self.txtCountry = QtGui.QLineEdit(Form)
+        self.txtCountry.setObjectName("txtCountry")
+        self.formLayout.addWidget(self.txtCountry,1,1,1,1)
+        self.label_2 = QtGui.QLabel(Form)
+        self.label_2.setObjectName("label_2")
+        self.formLayout.addWidget(self.label_2,2,0,1,1)
+        self.txtSchool = QtGui.QLineEdit(Form)
+        self.txtSchool.setObjectName("txtSchool")
+        self.formLayout.addWidget(self.txtSchool,2,1,1,1)
+        self.label_3 = QtGui.QLabel(Form)
+        self.label_3.setObjectName("label_3")
+        self.formLayout.addWidget(self.label_3,3,0,1,1)
+        self.txtAge = QtGui.QLineEdit(Form)
+        self.txtAge.setObjectName("txtAge")
+        self.formLayout.addWidget(self.txtAge,3,1,1,1)
+        self.label_4 = QtGui.QLabel(Form)
+        self.label_4.setObjectName("label_4")
+        self.formLayout.addWidget(self.label_4,4,0,1,1)
+        self.txtFind = QtGui.QLineEdit(Form)
+        self.txtFind.setObjectName("txtFind")
+        self.formLayout.addWidget(self.txtFind,4,1,1,1)
+        self.label_5 = QtGui.QLabel(Form)
+        self.label_5.setObjectName("label_5")
+        self.formLayout.addWidget(self.label_5,0,0,1,1)
+        self.label_6 = QtGui.QLabel(Form)
+        self.label_6.setObjectName("label_6")
+        self.formLayout.addWidget(self.label_6,5,0,1,1)
+        self.txtComments = QtGui.QTextEdit(Form)
+        self.txtComments.setTabChangesFocus(True)
+        self.txtComments.setObjectName("txtComments")
+        self.formLayout.addWidget(self.txtComments,5,1,1,1)
+        self.verticalLayout.addLayout(self.formLayout)
+        self.horizontalLayout = QtGui.QHBoxLayout()
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        spacerItem = QtGui.QSpacerItem(40,20,QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Minimum)
+        self.horizontalLayout.addItem(spacerItem)
+        self.cmdCancel = QtGui.QPushButton(Form)
+        self.cmdCancel.setObjectName("cmdCancel")
+        self.horizontalLayout.addWidget(self.cmdCancel)
+        self.cmdClear = QtGui.QPushButton(Form)
+        self.cmdClear.setObjectName("cmdClear")
+        self.horizontalLayout.addWidget(self.cmdClear)
+        self.cmdSend = QtGui.QPushButton(Form)
+        self.cmdSend.setObjectName("cmdSend")
+        self.horizontalLayout.addWidget(self.cmdSend)
+        self.verticalLayout.addLayout(self.horizontalLayout)
+        self.label.setBuddy(self.txtCountry)
+        self.label_2.setBuddy(self.txtSchool)
+        self.label_3.setBuddy(self.txtAge)
+        self.label_4.setBuddy(self.txtFind)
+        self.label_5.setBuddy(self.txtSystem)
+        self.label_6.setBuddy(self.txtComments)
+
+        self.retranslateUi(Form)
+        QtCore.QObject.connect(self.cmdCancel,QtCore.SIGNAL("clicked()"),Form.close)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtComments.clear)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtFind.clear)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtAge.clear)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtSchool.clear)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtCountry.clear)
+        QtCore.QObject.connect(self.cmdClear,QtCore.SIGNAL("clicked()"),self.txtSystem.clear)
+        QtCore.QObject.connect(self.txtSystem,QtCore.SIGNAL("returnPressed()"),self.txtCountry.setFocus)
+        QtCore.QObject.connect(self.txtCountry,QtCore.SIGNAL("returnPressed()"),self.txtSchool.setFocus)
+        QtCore.QObject.connect(self.txtSchool,QtCore.SIGNAL("returnPressed()"),self.txtAge.setFocus)
+        QtCore.QObject.connect(self.txtAge,QtCore.SIGNAL("returnPressed()"),self.txtFind.setFocus)
+        QtCore.QObject.connect(self.txtFind,QtCore.SIGNAL("returnPressed()"),self.txtComments.setFocus)
+        QtCore.QObject.connect(self.cmdSend,QtCore.SIGNAL("clicked()"),Form.send)
+        QtCore.QMetaObject.connectSlotsByName(Form)
+        Form.setTabOrder(self.txtSystem,self.txtCountry)
+        Form.setTabOrder(self.txtCountry,self.txtSchool)
+        Form.setTabOrder(self.txtSchool,self.txtAge)
+        Form.setTabOrder(self.txtAge,self.txtFind)
+        Form.setTabOrder(self.txtFind,self.txtComments)
+        Form.setTabOrder(self.txtComments,self.cmdSend)
+        Form.setTabOrder(self.cmdSend,self.cmdClear)
+        Form.setTabOrder(self.cmdClear,self.cmdCancel)
+
+    def retranslateUi(self, Form):
+        Form.setWindowTitle(QtGui.QApplication.translate("Form", "Survey", None, QtGui.QApplication.UnicodeUTF8))
+        self.label.setText(QtGui.QApplication.translate("Form", "Country", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_2.setText(QtGui.QApplication.translate("Form", "School", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_3.setText(QtGui.QApplication.translate("Form", "Age", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_4.setText(QtGui.QApplication.translate("Form", "How did you find relational", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_5.setText(QtGui.QApplication.translate("Form", "System", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_6.setText(QtGui.QApplication.translate("Form", "Comments", None, QtGui.QApplication.UnicodeUTF8))
+        self.cmdCancel.setText(QtGui.QApplication.translate("Form", "Cancel", None, QtGui.QApplication.UnicodeUTF8))
+        self.cmdClear.setText(QtGui.QApplication.translate("Form", "Clear", None, QtGui.QApplication.UnicodeUTF8))
+        self.cmdSend.setText(QtGui.QApplication.translate("Form", "Send", None, QtGui.QApplication.UnicodeUTF8))
+

survey.ui

@@ -0,0 +1,388 @@
+<ui version="4.0" >
+ <class>Form</class>
+ <widget class="QWidget" name="Form" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>322</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Survey</string>
+  </property>
+  <property name="locale" >
+   <locale country="UnitedStates" language="English" />
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout" >
+   <item>
+    <layout class="QGridLayout" name="formLayout" >
+     <item row="0" column="1" >
+      <widget class="QLineEdit" name="txtSystem" />
+     </item>
+     <item row="1" column="0" >
+      <widget class="QLabel" name="label" >
+       <property name="locale" >
+        <locale country="UnitedStates" language="English" />
+       </property>
+       <property name="text" >
+        <string>Country</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtCountry</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1" >
+      <widget class="QLineEdit" name="txtCountry" />
+     </item>
+     <item row="2" column="0" >
+      <widget class="QLabel" name="label_2" >
+       <property name="locale" >
+        <locale country="UnitedStates" language="English" />
+       </property>
+       <property name="text" >
+        <string>School</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtSchool</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="1" >
+      <widget class="QLineEdit" name="txtSchool" />
+     </item>
+     <item row="3" column="0" >
+      <widget class="QLabel" name="label_3" >
+       <property name="locale" >
+        <locale country="UnitedStates" language="English" />
+       </property>
+       <property name="text" >
+        <string>Age</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtAge</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="1" >
+      <widget class="QLineEdit" name="txtAge" />
+     </item>
+     <item row="4" column="0" >
+      <widget class="QLabel" name="label_4" >
+       <property name="locale" >
+        <locale country="UnitedStates" language="English" />
+       </property>
+       <property name="text" >
+        <string>How did you find relational</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtFind</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="1" >
+      <widget class="QLineEdit" name="txtFind" />
+     </item>
+     <item row="0" column="0" >
+      <widget class="QLabel" name="label_5" >
+       <property name="locale" >
+        <locale country="UnitedStates" language="English" />
+       </property>
+       <property name="text" >
+        <string>System</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtSystem</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="5" column="0" >
+      <widget class="QLabel" name="label_6" >
+       <property name="text" >
+        <string>Comments</string>
+       </property>
+       <property name="buddy" >
+        <cstring>txtComments</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="5" column="1" >
+      <widget class="QTextEdit" name="txtComments" >
+       <property name="tabChangesFocus" >
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout" >
+     <item>
+      <spacer name="horizontalSpacer" >
+       <property name="orientation" >
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0" >
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="cmdCancel" >
+       <property name="text" >
+        <string>Cancel</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="cmdClear" >
+       <property name="text" >
+        <string>Clear</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="cmdSend" >
+       <property name="text" >
+        <string>Send</string>
+       </property>
+       <property name="default" >
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>txtSystem</tabstop>
+  <tabstop>txtCountry</tabstop>
+  <tabstop>txtSchool</tabstop>
+  <tabstop>txtAge</tabstop>
+  <tabstop>txtFind</tabstop>
+  <tabstop>txtComments</tabstop>
+  <tabstop>cmdSend</tabstop>
+  <tabstop>cmdClear</tabstop>
+  <tabstop>cmdCancel</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>cmdCancel</sender>
+   <signal>clicked()</signal>
+   <receiver>Form</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>228</x>
+     <y>294</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>180</x>
+     <y>319</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtComments</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>288</x>
+     <y>298</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>291</x>
+     <y>248</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtFind</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>270</x>
+     <y>294</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>284</x>
+     <y>153</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtAge</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>269</x>
+     <y>299</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>257</x>
+     <y>123</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtSchool</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>310</x>
+     <y>299</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>317</x>
+     <y>87</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtCountry</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>298</x>
+     <y>303</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>326</x>
+     <y>47</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdClear</sender>
+   <signal>clicked()</signal>
+   <receiver>txtSystem</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>287</x>
+     <y>303</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>302</x>
+     <y>18</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>txtSystem</sender>
+   <signal>returnPressed()</signal>
+   <receiver>txtCountry</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>213</x>
+     <y>22</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>224</x>
+     <y>52</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>txtCountry</sender>
+   <signal>returnPressed()</signal>
+   <receiver>txtSchool</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>268</x>
+     <y>54</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>276</x>
+     <y>89</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>txtSchool</sender>
+   <signal>returnPressed()</signal>
+   <receiver>txtAge</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>355</x>
+     <y>85</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>358</x>
+     <y>118</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>txtAge</sender>
+   <signal>returnPressed()</signal>
+   <receiver>txtFind</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>375</x>
+     <y>123</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>375</x>
+     <y>156</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>txtFind</sender>
+   <signal>returnPressed()</signal>
+   <receiver>txtComments</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>332</x>
+     <y>154</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>335</x>
+     <y>200</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>cmdSend</sender>
+   <signal>clicked()</signal>
+   <receiver>Form</receiver>
+   <slot>send()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>381</x>
+     <y>309</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>396</x>
+     <y>320</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>send()</slot>
+ </slots>
+</ui>

surveyForm.py

@@ -0,0 +1,56 @@
+# Relational
+# Copyright (C) 2008  Salvo "LtWorf" Tomaselli
+# 
+# Relation is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# 
+# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
+from PyQt4 import QtCore, QtGui
+
+import httplib
+import urllib
+
+
+class surveyForm (QtGui.QWidget):
+  '''This class is the form used for the survey, needed to intercept the events'''
+  def setUi(self,ui):
+    self.ui=ui
+  def send(self):
+    #Creates the string
+    post="Relational algebra\n"
+    post+="system:" + str(self.ui.txtSystem.text().toUtf8())+ "\n"
+    post+="country:" + str(self.ui.txtCountry.text().toUtf8())+ "\n"
+    post+="school:" + str(self.ui.txtSchool.text().toUtf8())+ "\n"
+    post+="age:" + str(self.ui.txtAge.text().toUtf8())+ "\n"
+    post+="find:" + str(self.ui.txtFind.text().toUtf8())+ "\n"
+    post+="comments:" + str(self.ui.txtComments.toPlainText().toUtf8())
+    
+    self.ui.txtSystem.clear()
+    self.ui.txtCountry.clear()
+    self.ui.txtSchool.clear()
+    self.ui.txtAge.clear()
+    self.ui.txtFind.clear()
+    self.ui.txtComments.clear()
+    
+    #sends the string
+    params = urllib.urlencode({'survey':post})
+    headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"}
+    connection = httplib.HTTPConnection('galileo.dmi.unict.it')
+    connection.request("POST","/~ltworf/survey.php",params,headers)
+    response=connection.getresponse()
+    if response.status!=200:
+      QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),QtGui.QApplication.translate("Form", "Unable to send the data!")  )
+    else:
+      QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Thanks"),QtGui.QApplication.translate("Form", "Thanks for sending!")  )
+      
+    self.hide()