relational/relational_gui/maingui.py

482 lines
26 KiB
Python

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# -*- coding: utf-8 -*-
# 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
from relational import relation, 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:
#Converting string to utf8 and then from qstring to normal string
query=str(self.txtQuery.text().toUtf8())
expr=parser.parse(query)#Converting expression to python code
print query,"-->" , expr #Printing debug
result=eval(expr,self.relations) #Evaluating the expression
res_rel=str(self.txtResult.text())#result relation's name
self.txtResult.setText("") #Sets the result relation name to none
if len(res_rel)==0: #If no name is set use the default last_
res_rel="last_"
self.relations[res_rel]=result #Add the relation to the dictionary
self.updateRelations() #update the list
self.showRelation(result) #Show the result in the table
except:
QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),QtGui.QApplication.translate("Form", "Check your query!") )
def showRelation(self,rel):
self.table.clear()
if rel==None: #No relation to show
self.table.setColumnCount(1)
self.table.headerItem().setText(0,"Empty relation")
return
self.table.setColumnCount(len(rel.header.attributes))
#Set content
for i in rel.content:
item = QtGui.QTreeWidgetItem()
for j in range(len(i)):
item.setText(j, i[j])
self.table.addTopLevelItem(item)
#Sets columns
for i in range(len(rel.header.attributes)):
self.table.headerItem().setText(i,rel.header.attributes[i])
self.table.resizeColumnToContents(i) #Must be done in order to avoid too small columns
def printRelation(self,*rel):
for i in rel:
self.showRelation(self.relations[str(i.text().toUtf8())])
def showAttributes(self,*other):
for i in other:
rel=str(i.text().toUtf8())
self.lstAttributes.clear()
for j in self.relations[rel].header.attributes:
self.lstAttributes.addItem (j)
def updateRelations(self):
self.lstRelations.clear()
for i in self.relations:
if i != "__builtins__":
self.lstRelations.addItem(i)
def saveRelation(self):
filename = QtGui.QFileDialog.getSaveFileName(self.Form,QtGui.QApplication.translate("Form", "Save Relation"),"",QtGui.QApplication.translate("Form", "Relations (*.csv)"))
filename=str(filename.toUtf8()) #Converts QString to string
if (len(filename)==0):#Returns if no file was selected
return
if (not filename.endswith(".csv")):#Adds extension if needed
filename+=".csv"
for i in self.lstRelations.selectedItems():
self.relations[str(i.text().toUtf8())].save(filename)
return
def unloadRelation(self):
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()
ui = about.Ui_Dialog()
ui.setupUi(self.About)
self.About.show()
def loadRelation(self):
#Asking for file to load
filename = QtGui.QFileDialog.getOpenFileName(None,QtGui.QApplication.translate("Form", "Load Relation"),"",QtGui.QApplication.translate("Form", "Relations (*.csv);;Old Relations (*.tlb);;Text Files (*.txt);;All Files (*)"))
#Default relation's name
f=str(filename.toUtf8()).split(os.sep) #Split the full path
defname=f[len(f)-1].lower() #Takes only the lowercase filename
if len(defname)==0:
return
use_csv=True
if defname.endswith(".tlb"):
defname=defname[:-4]
use_csv=False #Old format, not using csv
if (defname.endswith(".csv")): #removes the extension
defname=defname[:-4]
res=QtGui.QInputDialog.getText(self.Form, QtGui.QApplication.translate("Form", "New relation"),QtGui.QApplication.translate("Form", "Insert the name for the new relation"),
QtGui.QLineEdit.Normal,defname)
if res[1]==False:
return
self.relations[str(res[0].toUtf8())]=relation.relation(filename,use_csv)
self.updateRelations()
def insertTuple(self):
'''Shows an input dialog and inserts the inserted tuple into the selected relation'''
res=QtGui.QInputDialog.getText(self.Form, QtGui.QApplication.translate("Form", "New relation"),QtGui.QApplication.translate("Form", "Insert the values, comma separated"),
QtGui.QLineEdit.Normal,"")
if res[1]==False:
return
t=[]
for i in str(res[0].toUtf8()).split(","):
t.append(i.strip())
for i in self.lstRelations.selectedItems():
rel=self.relations[str(i.text().toUtf8())]
if rel.insert(t) > 0:
self.showRelation(rel)
return
def deleteTuple(self):
'''Shows an input dialog and removes the tuples corresponding to the condition.'''
res=QtGui.QInputDialog.getText(self.Form, QtGui.QApplication.translate("Form", "New relation"),QtGui.QApplication.translate("Form", "Remove tuples: insert where condition"),
QtGui.QLineEdit.Normal,"")
if res[1]==False:
return
for i in self.lstRelations.selectedItems():
rel=self.relations[str(i.text().toUtf8())]
if rel.delete(str(res[0].toUtf8())) > 0:
self.showRelation(rel)
return
def addProduct(self):
self.txtQuery.insert(u"*")
self.txtQuery.setFocus()
def addDifference(self):
self.txtQuery.insert(u"-")
self.txtQuery.setFocus()
def addUnion(self):
self.txtQuery.insert(u"")
self.txtQuery.setFocus()
def addIntersection(self):
self.txtQuery.insert(u"")
self.txtQuery.setFocus()
def addOLeft(self):
self.txtQuery.insert(u"ᐅLEFTᐊ")
self.txtQuery.setFocus()
def addJoin(self):
self.txtQuery.insert(u"ᐅᐊ")
self.txtQuery.setFocus()
def addORight(self):
self.txtQuery.insert(u"ᐅRIGHTᐊ")
self.txtQuery.setFocus()
def addOuter(self):
self.txtQuery.insert(u"ᐅFULLᐊ")
self.txtQuery.setFocus()
def addProjection(self):
self.txtQuery.insert(u"π")
self.txtQuery.setFocus()
def addSelection(self):
self.txtQuery.insert(u"σ")
self.txtQuery.setFocus()
def addRename(self):
self.txtQuery.insert(u"ρ")
self.txtQuery.setFocus()
def addArrow(self):
self.txtQuery.insert(u"")
self.txtQuery.setFocus()
def setupUi(self, Form):
self.Form=Form
Form.setObjectName("Form")
Form.resize(932,592)
Form.setMinimumSize(QtCore.QSize(100,50))
self.verticalLayout_7 = QtGui.QVBoxLayout(Form)
self.verticalLayout_7.setObjectName("verticalLayout_7")
self.horizontalLayout_4 = QtGui.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.verticalLayout_4 = QtGui.QVBoxLayout()
self.verticalLayout_4.setObjectName("verticalLayout_4")
self.groupBox_4 = QtGui.QGroupBox(Form)
self.groupBox_4.setObjectName("groupBox_4")
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")
self.verticalLayout_6 = QtGui.QVBoxLayout(self.groupBox)
self.verticalLayout_6.setObjectName("verticalLayout_6")
self.verticalLayout = QtGui.QVBoxLayout()
self.verticalLayout.setObjectName("verticalLayout")
self.cmdProduct = QtGui.QPushButton(self.groupBox)
self.cmdProduct.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdProduct.setObjectName("cmdProduct")
self.verticalLayout.addWidget(self.cmdProduct)
self.cmdDifference = QtGui.QPushButton(self.groupBox)
self.cmdDifference.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdDifference.setObjectName("cmdDifference")
self.verticalLayout.addWidget(self.cmdDifference)
self.cmdUnion = QtGui.QPushButton(self.groupBox)
self.cmdUnion.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdUnion.setObjectName("cmdUnion")
self.verticalLayout.addWidget(self.cmdUnion)
self.cmdIntersection = QtGui.QPushButton(self.groupBox)
self.cmdIntersection.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdIntersection.setObjectName("cmdIntersection")
self.verticalLayout.addWidget(self.cmdIntersection)
self.cmdJoin = QtGui.QPushButton(self.groupBox)
self.cmdJoin.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdJoin.setObjectName("cmdJoin")
self.verticalLayout.addWidget(self.cmdJoin)
self.cmdOuterLeft = QtGui.QPushButton(self.groupBox)
self.cmdOuterLeft.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdOuterLeft.setObjectName("cmdOuterLeft")
self.verticalLayout.addWidget(self.cmdOuterLeft)
self.cmdOuterRight = QtGui.QPushButton(self.groupBox)
self.cmdOuterRight.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdOuterRight.setObjectName("cmdOuterRight")
self.verticalLayout.addWidget(self.cmdOuterRight)
self.cmdOuter = QtGui.QPushButton(self.groupBox)
self.cmdOuter.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdOuter.setObjectName("cmdOuter")
self.verticalLayout.addWidget(self.cmdOuter)
self.cmdProjection = QtGui.QPushButton(self.groupBox)
self.cmdProjection.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdProjection.setObjectName("cmdProjection")
self.verticalLayout.addWidget(self.cmdProjection)
self.cmdSelection = QtGui.QPushButton(self.groupBox)
self.cmdSelection.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdSelection.setObjectName("cmdSelection")
self.verticalLayout.addWidget(self.cmdSelection)
self.cmdRename = QtGui.QPushButton(self.groupBox)
self.cmdRename.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdRename.setObjectName("cmdRename")
self.verticalLayout.addWidget(self.cmdRename)
self.cmdArrow = QtGui.QPushButton(self.groupBox)
self.cmdArrow.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdArrow.setObjectName("cmdArrow")
self.verticalLayout.addWidget(self.cmdArrow)
self.verticalLayout_6.addLayout(self.verticalLayout)
self.verticalLayout_4.addWidget(self.groupBox)
spacerItem = QtGui.QSpacerItem(20,40,QtGui.QSizePolicy.Minimum,QtGui.QSizePolicy.Expanding)
self.verticalLayout_4.addItem(spacerItem)
self.horizontalLayout_4.addLayout(self.verticalLayout_4)
self.centerLayout = QtGui.QVBoxLayout()
self.centerLayout.setObjectName("centerLayout")
self.table = QtGui.QTreeWidget(Form) #QtGui.QTableView(Form)
self.table.setAlternatingRowColors(True)
self.table.setRootIsDecorated(False)
self.table.setObjectName("table")
self.showRelation(None)
self.centerLayout.addWidget(self.table)
self.cmdInsert = QtGui.QPushButton(self.groupBox)
self.cmdInsert.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdInsert.setObjectName("cmdInsert")
self.cmdDelete = QtGui.QPushButton(self.groupBox)
self.cmdDelete.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdDelete.setObjectName("cmdDelete")
self.bottomButtonsLayout = QtGui.QHBoxLayout()
self.bottomButtonsLayout.setObjectName("bottomButtonsLayout")
self.bottomButtonsLayout.addWidget(self.cmdInsert)
self.bottomButtonsLayout.addWidget(self.cmdDelete)
self.centerLayout.addLayout(self.bottomButtonsLayout)
self.horizontalLayout_4.addLayout(self.centerLayout)
self.verticalLayout_3 = QtGui.QVBoxLayout()
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.groupBox_2 = QtGui.QGroupBox(Form)
self.groupBox_2.setMaximumSize(QtCore.QSize(200,16777215))
self.groupBox_2.setObjectName("groupBox_2")
self.verticalLayout_5 = QtGui.QVBoxLayout(self.groupBox_2)
self.verticalLayout_5.setObjectName("verticalLayout_5")
self.lstRelations = QtGui.QListWidget(self.groupBox_2)
self.lstRelations.setMaximumSize(QtCore.QSize(300,16777215))
self.lstRelations.setObjectName("lstRelations")
self.verticalLayout_5.addWidget(self.lstRelations)
self.cmdLoad = QtGui.QPushButton(self.groupBox_2)
self.cmdLoad.setObjectName("cmdLoad")
self.verticalLayout_5.addWidget(self.cmdLoad)
self.cmdUnload = QtGui.QPushButton(self.groupBox_2)
self.cmdUnload.setObjectName("cmdUnload")
self.cmdSave = QtGui.QPushButton(self.groupBox_2)
self.cmdSave.setObjectName("cmdSave")
self.verticalLayout_5.addWidget(self.cmdSave)
self.verticalLayout_5.addWidget(self.cmdUnload)
self.verticalLayout_3.addWidget(self.groupBox_2)
self.groupBox_3 = QtGui.QGroupBox(Form)
self.groupBox_3.setMaximumSize(QtCore.QSize(200,16777215))
self.groupBox_3.setObjectName("groupBox_3")
self.horizontalLayout_6 = QtGui.QHBoxLayout(self.groupBox_3)
self.horizontalLayout_6.setObjectName("horizontalLayout_6")
self.lstAttributes = QtGui.QListWidget(self.groupBox_3)
self.lstAttributes.setMaximumSize(QtCore.QSize(300,16777215))
self.lstAttributes.setObjectName("lstAttributes")
self.horizontalLayout_6.addWidget(self.lstAttributes)
self.verticalLayout_3.addWidget(self.groupBox_3)
self.horizontalLayout_4.addLayout(self.verticalLayout_3)
self.verticalLayout_7.addLayout(self.horizontalLayout_4)
self.horizontalLayout = QtGui.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.label = QtGui.QLabel(Form)
self.label.setObjectName("label")
self.horizontalLayout.addWidget(self.label)
self.txtResult = QtGui.QLineEdit(Form)
self.txtResult.setMaximumSize(QtCore.QSize(70,16777215))
self.txtResult.setObjectName("txtResult")
self.horizontalLayout.addWidget(self.txtResult)
self.label_2 = QtGui.QLabel(Form)
self.label_2.setObjectName("label_2")
self.horizontalLayout.addWidget(self.label_2)
self.txtQuery = QtGui.QLineEdit(Form)
self.txtQuery.setObjectName("txtQuery")
self.horizontalLayout.addWidget(self.txtQuery)
self.cmdExecute = QtGui.QPushButton(Form)
self.cmdExecute.setAutoDefault(False)
self.cmdExecute.setDefault(True)
self.cmdExecute.setFlat(False)
self.cmdExecute.setObjectName("cmdExecute")
self.horizontalLayout.addWidget(self.cmdExecute)
self.verticalLayout_7.addLayout(self.horizontalLayout)
self.label.setBuddy(self.txtResult)
self.label_2.setBuddy(self.txtQuery)
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)
QtCore.QObject.connect(self.cmdIntersection,QtCore.SIGNAL("clicked()"),self.addIntersection)
QtCore.QObject.connect(self.cmdOuterLeft,QtCore.SIGNAL("clicked()"),self.addOLeft)
QtCore.QObject.connect(self.cmdJoin,QtCore.SIGNAL("clicked()"),self.addJoin)
QtCore.QObject.connect(self.cmdOuterRight,QtCore.SIGNAL("clicked()"),self.addORight)
QtCore.QObject.connect(self.cmdOuter,QtCore.SIGNAL("clicked()"),self.addOuter)
QtCore.QObject.connect(self.cmdProjection,QtCore.SIGNAL("clicked()"),self.addProjection)
QtCore.QObject.connect(self.cmdSelection,QtCore.SIGNAL("clicked()"),self.addSelection)
QtCore.QObject.connect(self.cmdRename,QtCore.SIGNAL("clicked()"),self.addRename)
QtCore.QObject.connect(self.cmdArrow,QtCore.SIGNAL("clicked()"),self.addArrow)
QtCore.QObject.connect(self.cmdExecute,QtCore.SIGNAL("clicked()"),self.execute)
QtCore.QObject.connect(self.cmdLoad,QtCore.SIGNAL("clicked()"),self.loadRelation)
QtCore.QObject.connect(self.cmdSave,QtCore.SIGNAL("clicked()"),self.saveRelation)
QtCore.QObject.connect(self.cmdUnload,QtCore.SIGNAL("clicked()"),self.unloadRelation)
QtCore.QObject.connect(self.cmdInsert,QtCore.SIGNAL("clicked()"),self.insertTuple)
QtCore.QObject.connect(self.cmdDelete,QtCore.SIGNAL("clicked()"),self.deleteTuple)
QtCore.QObject.connect(self.lstRelations,QtCore.SIGNAL("itemDoubleClicked(QListWidgetItem*)"),self.printRelation)
QtCore.QObject.connect(self.lstRelations,QtCore.SIGNAL("itemClicked(QListWidgetItem*)"),self.showAttributes)
QtCore.QMetaObject.connectSlotsByName(Form)
Form.setTabOrder(self.txtResult,self.txtQuery)
Form.setTabOrder(self.txtQuery,self.cmdExecute)
Form.setTabOrder(self.cmdExecute,self.lstRelations)
Form.setTabOrder(self.lstRelations,self.cmdLoad)
Form.setTabOrder(self.cmdLoad,self.cmdUnload)
Form.setTabOrder(self.cmdLoad,self.cmdSave)
Form.setTabOrder(self.cmdUnload,self.lstAttributes)
Form.setTabOrder(self.lstAttributes,self.table)
Form.setTabOrder(self.table,self.cmdProduct)
Form.setTabOrder(self.cmdProduct,self.cmdUnion)
Form.setTabOrder(self.cmdUnion,self.cmdJoin)
Form.setTabOrder(self.cmdJoin,self.cmdOuterLeft)
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))
self.cmdDifference.setToolTip(QtGui.QApplication.translate("Form", "Difference operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDifference.setText(QtGui.QApplication.translate("Form", "-", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnion.setToolTip(QtGui.QApplication.translate("Form", "Union operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnion.setText(QtGui.QApplication.translate("Form", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdIntersection.setToolTip(QtGui.QApplication.translate("Form", "Intersection operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdIntersection.setText(QtGui.QApplication.translate("Form", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdJoin.setToolTip(QtGui.QApplication.translate("Form", "Natural join operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdJoin.setText(QtGui.QApplication.translate("Form", "ᐅᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterLeft.setToolTip(QtGui.QApplication.translate("Form", "Outer join left operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterLeft.setText(QtGui.QApplication.translate("Form", "ᐅLEFTᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterRight.setToolTip(QtGui.QApplication.translate("Form", "Outer join right operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterRight.setText(QtGui.QApplication.translate("Form", "ᐅRIGHTᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuter.setToolTip(QtGui.QApplication.translate("Form", "Outer join full operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuter.setText(QtGui.QApplication.translate("Form", "ᐅFULLᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdProjection.setToolTip(QtGui.QApplication.translate("Form", "Projection operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdProjection.setText(QtGui.QApplication.translate("Form", "π", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSelection.setToolTip(QtGui.QApplication.translate("Form", "Selection operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSelection.setText(QtGui.QApplication.translate("Form", "σ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdRename.setToolTip(QtGui.QApplication.translate("Form", "Rename operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdRename.setText(QtGui.QApplication.translate("Form", "ρ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdArrow.setToolTip(QtGui.QApplication.translate("Form", "Rename attribute", None, QtGui.QApplication.UnicodeUTF8))
self.cmdArrow.setText(QtGui.QApplication.translate("Form", "", None, QtGui.QApplication.UnicodeUTF8))
self.groupBox_2.setTitle(QtGui.QApplication.translate("Form", "Relations", None, QtGui.QApplication.UnicodeUTF8))
self.lstRelations.setToolTip(QtGui.QApplication.translate("Form", "List all the relations.\n"
"Double click on a relation to show it in the table.", None, QtGui.QApplication.UnicodeUTF8))
self.cmdLoad.setToolTip(QtGui.QApplication.translate("Form", "Loads a relation from a file", None, QtGui.QApplication.UnicodeUTF8))
self.cmdLoad.setText(QtGui.QApplication.translate("Form", "Load relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSave.setToolTip(QtGui.QApplication.translate("Form", "Saves a relation to a file", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSave.setText(QtGui.QApplication.translate("Form", "Save relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnload.setToolTip(QtGui.QApplication.translate("Form", "Unloads a relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnload.setText(QtGui.QApplication.translate("Form", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdInsert.setText(QtGui.QApplication.translate("Form", "Insert", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDelete.setText(QtGui.QApplication.translate("Form", "Delete", None, QtGui.QApplication.UnicodeUTF8))
self.groupBox_3.setTitle(QtGui.QApplication.translate("Form", "Attributes", None, QtGui.QApplication.UnicodeUTF8))
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))
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
Form = QtGui.QWidget()
ui = Ui_Form()
ui.setupUi(Form)
Form.show()
Form.setWindowTitle("Relational")
sys.exit(app.exec_())