- Now uses generated GUI

git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@279 014f5005-505e-4b48-8d0a-63407b615a7c
This commit is contained in:
LtWorf 2011-03-20 19:31:50 +00:00
parent 0c7f71e254
commit 6765e9c903
3 changed files with 577 additions and 596 deletions

View File

@ -83,17 +83,19 @@ if __name__ == "__main__":
if x11: if x11:
import sip import sip
from PyQt4 import QtCore, QtGui from PyQt4 import QtCore, QtGui
from relational_gui import maingui, about, surveyForm from relational_gui import maingui,guihandler, about, surveyForm
about.version=version about.version=version
surveyForm.version=version surveyForm.version=version
app = QtGui.QApplication(sys.argv) app = QtGui.QApplication(sys.argv)
Form = QtGui.QWidget()
if os.name=='nt': ui = maingui.Ui_MainWindow()
Form = guihandler.relForm(ui)
#if os.name=='nt':
Form.setFont(QtGui.QFont("Dejavu Sans Bold")) Form.setFont(QtGui.QFont("Dejavu Sans Bold"))
ui = maingui.Ui_Form()
ui.setupUi(Form) ui.setupUi(Form)
for i in range(len(files)): for i in range(len(files)):
@ -105,7 +107,7 @@ if __name__ == "__main__":
if defname.endswith(".csv"): #removes the extension if defname.endswith(".csv"): #removes the extension
defname=defname[:-4] defname=defname[:-4]
print 'Loading file "%s" with name "%s"' % (files[i],defname) print 'Loading file "%s" with name "%s"' % (files[i],defname)
ui.loadRelation(files[i],defname) Form.loadRelation(files[i],defname)
Form.show() Form.show()
sys.exit(app.exec_()) sys.exit(app.exec_())

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@ -0,0 +1,261 @@
# -*- coding: utf-8 -*-
# Relational
# Copyright (C) 2008 Salvo "LtWorf" Tomaselli
#
# Relational 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, optimizer
import sys
import about
import survey
import os
import surveyForm
import maingui
class relForm(QtGui.QMainWindow):
def __init__(self,ui):
QtGui.QMainWindow.__init__(self)
self.About=None
self.Survey=None
self.relations={} #Dictionary for relations
self.undo=None #UndoQueue for queries
self.selectedRelation=None
self.ui=ui
def load_query(self,*index):
self.ui.txtQuery.setText(self.savedQ.itemData(index[0]).toString())
def undoOptimize(self):
'''Undoes the optimization on the query, popping one item from the undo list'''
if self.undo!=None:
self.ui.txtQuery.setText(self.undo)
def optimize(self):
'''Performs all the possible optimizations on the query'''
self.undo=self.ui.txtQuery.text() #Storing the query in undo list
result=optimizer.optimize_all(str(self.ui.txtQuery.text().toUtf8()),self.relations)
self.ui.txtQuery.setText(QtCore.QString.fromUtf8(result))
#self.txtQuery.setText(result)
def execute(self):
'''Executes the query'''
try:
#self.ui.lstAttributes.addItem (j)
#Converting string to utf8 and then from qstring to normal string
query=str(self.ui.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
#self.undo.insert(len(self.undo),self.txtQuery.text()) #Storing the query in undo list
res_rel=str(self.ui.txtResult.text())#result relation's name
self.ui.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.selectedRelation=result
self.showRelation(self.selectedRelation) #Show the result in the table
except Exception, e:
print e
QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),"%s\n%s" % (QtGui.QApplication.translate("Form", "Check your query!"),e.__str__()) )
def showRelation(self,rel):
'''Shows the selected relation into the table'''
self.ui.table.clear()
if rel==None: #No relation to show
self.ui.table.setColumnCount(1)
self.ui.table.headerItem().setText(0,"Empty relation")
return
self.ui.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.ui.table.addTopLevelItem(item)
#Sets columns
for i in range(len(rel.header.attributes)):
self.ui.table.headerItem().setText(i,rel.header.attributes[i])
self.ui.table.resizeColumnToContents(i) #Must be done in order to avoid too small columns
def printRelation(self,*rel):
for i in rel:
self.selectedRelation=self.relations[str(i.text().toUtf8())]
self.showRelation(self.selectedRelation)
def showAttributes(self,*other):
'''Shows the attributes of the selected relation'''
for i in other:
rel=str(i.text().toUtf8())
self.ui.lstAttributes.clear()
for j in self.relations[rel].header.attributes:
self.ui.lstAttributes.addItem (j)
def updateRelations(self):
self.ui.lstRelations.clear()
for i in self.relations:
if i != "__builtins__":
self.ui.lstRelations.addItem(i)
def saveRelation(self):
filename = QtGui.QFileDialog.getSaveFileName(self,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.ui.lstRelations.selectedItems():
self.ui.relations[str(i.text().toUtf8())].save(filename)
return
def unloadRelation(self):
for i in self.ui.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.setDefaultValues()
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,filename=None,name=None):
'''Loads a relation. Without parameters it will ask the user which relation to load,
otherwise it will load filename, giving it name.
It shouldn't be called giving filename but not giving name.'''
#Asking for file to load
if filename==None:
filename = QtGui.QFileDialog.getOpenFileName(self,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('/') #Split the full path
defname=f[len(f)-1].lower() #Takes only the lowercase filename
else:
f=filename.split('/') #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]
if name==None: #Prompt dialog to insert name for the relation
res=QtGui.QInputDialog.getText(self, 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 or len(res[0])==0:
return
#Patch provided by Angelo 'Havoc' Puglisi
self.relations[str(res[0].toUtf8())]=relation.relation(str(filename.toUtf8()),use_csv)
else: #name was decided by caller
self.relations[name]=relation.relation(filename)
self.updateRelations()
def insertTuple(self):
'''Shows an input dialog and inserts the inserted tuple into the selected relation'''
res=QtGui.QInputDialog.getText(self, 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())
if self.selectedRelation!=None and self.selectedRelation.insert(t) > 0:
self.showRelation(self.selectedRelation)
return
def deleteTuple(self):
'''Shows an input dialog and removes the tuples corresponding to the condition.'''
res=QtGui.QInputDialog.getText(self, QtGui.QApplication.translate("Form", "New relation"),QtGui.QApplication.translate("Form", "Remove tuples: insert where condition"),
QtGui.QLineEdit.Normal,"")
if res[1]==False:
return
if self.selectedRelation!=None and self.selectedRelation.delete(str(res[0].toUtf8())) > 0:
self.showRelation(self.selectedRelation)
return
def addProduct(self):
self.addSymbolInQuery(u"*")
def addDifference(self):
self.addSymbolInQuery(u"-")
def addUnion(self):
self.addSymbolInQuery(u"")
def addIntersection(self):
self.addSymbolInQuery(u"")
def addDivision(self):
self.addSymbolInQuery(u"÷")
def addOLeft(self):
self.addSymbolInQuery(u"ᐅLEFTᐊ")
def addJoin(self):
self.addSymbolInQuery(u"ᐅᐊ")
def addORight(self):
self.addSymbolInQuery(u"ᐅRIGHTᐊ")
def addOuter(self):
self.addSymbolInQuery(u"ᐅFULLᐊ")
def addProjection(self):
self.addSymbolInQuery(u"π")
def addSelection(self):
self.addSymbolInQuery(u"σ")
def addRename(self):
self.addSymbolInQuery(u"ρ")
def addArrow(self):
self.addSymbolInQuery(u"")
def addSymbolInQuery(self,symbol):
self.ui.txtQuery.insert(symbol)
self.ui.txtQuery.setFocus()
def q_main():
import sys
app = QtGui.QApplication(sys.argv)
Form = RelForm()
ui = maingui.Ui_MainWindow()
ui.setupUi(Form)
Form.setupUi(ui)
Form.show()
sys.exit(app.exec_())
if __name__ == "__main__":
q_main()

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@ -1,603 +1,321 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Relational
# Copyright (C) 2008 Salvo "LtWorf" Tomaselli # Form implementation generated from reading ui file 'maingui.ui'
# #
# Relational is free software: you can redistribute it and/or modify # Created: Sun Mar 20 20:10:47 2011
# it under the terms of the GNU General Public License as published by # by: PyQt4 UI code generator 4.8.3
# 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, # WARNING! All changes made in this file will be lost!
# 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 PyQt4 import QtCore, QtGui
from relational import relation, parser, optimizer
import sys try:
import about _fromUtf8 = QtCore.QString.fromUtf8
import survey except AttributeError:
import os _fromUtf8 = lambda s: s
import surveyForm
class Ui_Form(object): class Ui_MainWindow(object):
def __init__(self): def setupUi(self, MainWindow):
self.About=None MainWindow.setObjectName(_fromUtf8("MainWindow"))
self.Survey=None MainWindow.resize(800, 612)
self.relations={} #Dictionary for relations self.centralwidget = QtGui.QWidget(MainWindow)
self.undo=[] #UndoQueue for queries self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
self.selectedRelation=None self.verticalLayout_7 = QtGui.QVBoxLayout(self.centralwidget)
def load_query(self,*index): self.verticalLayout_7.setObjectName(_fromUtf8("verticalLayout_7"))
self.txtQuery.setText(self.savedQ.itemData(index[0]).toString()) self.splitter_4 = QtGui.QSplitter(self.centralwidget)
self.splitter_4.setOrientation(QtCore.Qt.Horizontal)
self.splitter_4.setObjectName(_fromUtf8("splitter_4"))
self.widget = QtGui.QWidget(self.splitter_4)
self.widget.setObjectName(_fromUtf8("widget"))
self.verticalLayout_11 = QtGui.QVBoxLayout(self.widget)
self.verticalLayout_11.setMargin(0)
self.verticalLayout_11.setObjectName(_fromUtf8("verticalLayout_11"))
self.groupBox_3 = QtGui.QGroupBox(self.widget)
self.groupBox_3.setObjectName(_fromUtf8("groupBox_3"))
self.verticalLayout_5 = QtGui.QVBoxLayout(self.groupBox_3)
self.verticalLayout_5.setObjectName(_fromUtf8("verticalLayout_5"))
self.cmdAbout = QtGui.QPushButton(self.groupBox_3)
self.cmdAbout.setObjectName(_fromUtf8("cmdAbout"))
self.verticalLayout_5.addWidget(self.cmdAbout)
self.cmdSurvey = QtGui.QPushButton(self.groupBox_3)
self.cmdSurvey.setObjectName(_fromUtf8("cmdSurvey"))
self.verticalLayout_5.addWidget(self.cmdSurvey)
self.verticalLayout_11.addWidget(self.groupBox_3)
self.groupBox_4 = QtGui.QGroupBox(self.widget)
self.groupBox_4.setObjectName(_fromUtf8("groupBox_4"))
self.verticalLayout_10 = QtGui.QVBoxLayout(self.groupBox_4)
self.verticalLayout_10.setObjectName(_fromUtf8("verticalLayout_10"))
self.cmdProduct = QtGui.QPushButton(self.groupBox_4)
self.cmdProduct.setObjectName(_fromUtf8("cmdProduct"))
self.verticalLayout_10.addWidget(self.cmdProduct)
self.cmdDifference = QtGui.QPushButton(self.groupBox_4)
self.cmdDifference.setObjectName(_fromUtf8("cmdDifference"))
self.verticalLayout_10.addWidget(self.cmdDifference)
self.cmdUnion = QtGui.QPushButton(self.groupBox_4)
self.cmdUnion.setObjectName(_fromUtf8("cmdUnion"))
self.verticalLayout_10.addWidget(self.cmdUnion)
self.cmdIntersection = QtGui.QPushButton(self.groupBox_4)
self.cmdIntersection.setObjectName(_fromUtf8("cmdIntersection"))
self.verticalLayout_10.addWidget(self.cmdIntersection)
self.cmdDivision = QtGui.QPushButton(self.groupBox_4)
self.cmdDivision.setObjectName(_fromUtf8("cmdDivision"))
self.verticalLayout_10.addWidget(self.cmdDivision)
self.cmdJoin = QtGui.QPushButton(self.groupBox_4)
self.cmdJoin.setObjectName(_fromUtf8("cmdJoin"))
self.verticalLayout_10.addWidget(self.cmdJoin)
self.cmdOuterLeft = QtGui.QPushButton(self.groupBox_4)
self.cmdOuterLeft.setObjectName(_fromUtf8("cmdOuterLeft"))
self.verticalLayout_10.addWidget(self.cmdOuterLeft)
self.cmdOuterRight = QtGui.QPushButton(self.groupBox_4)
self.cmdOuterRight.setObjectName(_fromUtf8("cmdOuterRight"))
self.verticalLayout_10.addWidget(self.cmdOuterRight)
self.cmdOuter = QtGui.QPushButton(self.groupBox_4)
self.cmdOuter.setObjectName(_fromUtf8("cmdOuter"))
self.verticalLayout_10.addWidget(self.cmdOuter)
self.cmdProjection = QtGui.QPushButton(self.groupBox_4)
self.cmdProjection.setObjectName(_fromUtf8("cmdProjection"))
self.verticalLayout_10.addWidget(self.cmdProjection)
self.cmdSelection = QtGui.QPushButton(self.groupBox_4)
self.cmdSelection.setObjectName(_fromUtf8("cmdSelection"))
self.verticalLayout_10.addWidget(self.cmdSelection)
self.cmdRename = QtGui.QPushButton(self.groupBox_4)
self.cmdRename.setObjectName(_fromUtf8("cmdRename"))
self.verticalLayout_10.addWidget(self.cmdRename)
self.cmdArrow = QtGui.QPushButton(self.groupBox_4)
self.cmdArrow.setObjectName(_fromUtf8("cmdArrow"))
self.verticalLayout_10.addWidget(self.cmdArrow)
spacerItem = QtGui.QSpacerItem(20, 25, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
self.verticalLayout_10.addItem(spacerItem)
self.verticalLayout_11.addWidget(self.groupBox_4)
self.splitter_3 = QtGui.QSplitter(self.splitter_4)
self.splitter_3.setOrientation(QtCore.Qt.Horizontal)
self.splitter_3.setObjectName(_fromUtf8("splitter_3"))
self.splitter_2 = QtGui.QSplitter(self.splitter_3)
self.splitter_2.setOrientation(QtCore.Qt.Vertical)
self.splitter_2.setObjectName(_fromUtf8("splitter_2"))
self.table = QtGui.QTreeWidget(self.splitter_2)
self.table.setMinimumSize(QtCore.QSize(450, 400))
self.table.setSizeIncrement(QtCore.QSize(0, 0))
self.table.setObjectName(_fromUtf8("table"))
self.table.headerItem().setText(0, _fromUtf8("Empty relation"))
self.layoutWidget = QtGui.QWidget(self.splitter_2)
self.layoutWidget.setObjectName(_fromUtf8("layoutWidget"))
self.verticalLayout_6 = QtGui.QVBoxLayout(self.layoutWidget)
self.verticalLayout_6.setSizeConstraint(QtGui.QLayout.SetMinimumSize)
self.verticalLayout_6.setMargin(0)
self.verticalLayout_6.setObjectName(_fromUtf8("verticalLayout_6"))
self.horizontalLayout = QtGui.QHBoxLayout()
self.horizontalLayout.setSizeConstraint(QtGui.QLayout.SetFixedSize)
self.horizontalLayout.setObjectName(_fromUtf8("horizontalLayout"))
self.cmdInsert = QtGui.QPushButton(self.layoutWidget)
self.cmdInsert.setObjectName(_fromUtf8("cmdInsert"))
self.horizontalLayout.addWidget(self.cmdInsert)
self.cmdDelete = QtGui.QPushButton(self.layoutWidget)
self.cmdDelete.setObjectName(_fromUtf8("cmdDelete"))
self.horizontalLayout.addWidget(self.cmdDelete)
self.verticalLayout_6.addLayout(self.horizontalLayout)
self.listWidget = QtGui.QListWidget(self.layoutWidget)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.listWidget.sizePolicy().hasHeightForWidth())
self.listWidget.setSizePolicy(sizePolicy)
self.listWidget.setMaximumSize(QtCore.QSize(16777215, 16777215))
self.listWidget.setBaseSize(QtCore.QSize(0, 0))
self.listWidget.setObjectName(_fromUtf8("listWidget"))
self.verticalLayout_6.addWidget(self.listWidget)
self.horizontalLayout_3 = QtGui.QHBoxLayout()
self.horizontalLayout_3.setObjectName(_fromUtf8("horizontalLayout_3"))
self.cmdOptimize = QtGui.QPushButton(self.layoutWidget)
self.cmdOptimize.setObjectName(_fromUtf8("cmdOptimize"))
self.horizontalLayout_3.addWidget(self.cmdOptimize)
self.cmdUndoOptimize = QtGui.QPushButton(self.layoutWidget)
self.cmdUndoOptimize.setObjectName(_fromUtf8("cmdUndoOptimize"))
self.horizontalLayout_3.addWidget(self.cmdUndoOptimize)
self.cmdClearHistory = QtGui.QPushButton(self.layoutWidget)
self.cmdClearHistory.setObjectName(_fromUtf8("cmdClearHistory"))
self.horizontalLayout_3.addWidget(self.cmdClearHistory)
self.verticalLayout_6.addLayout(self.horizontalLayout_3)
self.splitter = QtGui.QSplitter(self.splitter_3)
self.splitter.setOrientation(QtCore.Qt.Vertical)
self.splitter.setObjectName(_fromUtf8("splitter"))
self.groupBox = QtGui.QGroupBox(self.splitter)
self.groupBox.setMinimumSize(QtCore.QSize(0, 0))
self.groupBox.setMaximumSize(QtCore.QSize(300, 16777215))
self.groupBox.setObjectName(_fromUtf8("groupBox"))
self.verticalLayout = QtGui.QVBoxLayout(self.groupBox)
self.verticalLayout.setObjectName(_fromUtf8("verticalLayout"))
self.lstRelations = QtGui.QListWidget(self.groupBox)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.lstRelations.sizePolicy().hasHeightForWidth())
self.lstRelations.setSizePolicy(sizePolicy)
self.lstRelations.setMaximumSize(QtCore.QSize(16777215, 16777215))
self.lstRelations.setObjectName(_fromUtf8("lstRelations"))
self.verticalLayout.addWidget(self.lstRelations)
self.cmdLoad = QtGui.QPushButton(self.groupBox)
self.cmdLoad.setObjectName(_fromUtf8("cmdLoad"))
self.verticalLayout.addWidget(self.cmdLoad)
self.cmdSave = QtGui.QPushButton(self.groupBox)
self.cmdSave.setObjectName(_fromUtf8("cmdSave"))
self.verticalLayout.addWidget(self.cmdSave)
self.cmdUnload = QtGui.QPushButton(self.groupBox)
self.cmdUnload.setObjectName(_fromUtf8("cmdUnload"))
self.verticalLayout.addWidget(self.cmdUnload)
self.groupBox_2 = QtGui.QGroupBox(self.splitter)
self.groupBox_2.setMinimumSize(QtCore.QSize(0, 0))
self.groupBox_2.setMaximumSize(QtCore.QSize(300, 16777215))
self.groupBox_2.setObjectName(_fromUtf8("groupBox_2"))
self.verticalLayout_3 = QtGui.QVBoxLayout(self.groupBox_2)
self.verticalLayout_3.setObjectName(_fromUtf8("verticalLayout_3"))
self.lstAttributes = QtGui.QListWidget(self.groupBox_2)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.lstAttributes.sizePolicy().hasHeightForWidth())
self.lstAttributes.setSizePolicy(sizePolicy)
self.lstAttributes.setMaximumSize(QtCore.QSize(16777215, 16777215))
self.lstAttributes.setObjectName(_fromUtf8("lstAttributes"))
self.verticalLayout_3.addWidget(self.lstAttributes)
self.verticalLayout_7.addWidget(self.splitter_4)
self.horizontalLayout_2 = QtGui.QHBoxLayout()
self.horizontalLayout_2.setObjectName(_fromUtf8("horizontalLayout_2"))
self.txtResult = QtGui.QLineEdit(self.centralwidget)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.txtResult.sizePolicy().hasHeightForWidth())
self.txtResult.setSizePolicy(sizePolicy)
self.txtResult.setObjectName(_fromUtf8("txtResult"))
self.horizontalLayout_2.addWidget(self.txtResult)
self.label = QtGui.QLabel(self.centralwidget)
self.label.setObjectName(_fromUtf8("label"))
self.horizontalLayout_2.addWidget(self.label)
self.txtQuery = QtGui.QLineEdit(self.centralwidget)
self.txtQuery.setObjectName(_fromUtf8("txtQuery"))
self.horizontalLayout_2.addWidget(self.txtQuery)
self.cmdClearQuery = QtGui.QPushButton(self.centralwidget)
self.cmdClearQuery.setObjectName(_fromUtf8("cmdClearQuery"))
self.horizontalLayout_2.addWidget(self.cmdClearQuery)
self.cmdExecute = QtGui.QPushButton(self.centralwidget)
self.cmdExecute.setObjectName(_fromUtf8("cmdExecute"))
self.horizontalLayout_2.addWidget(self.cmdExecute)
self.verticalLayout_7.addLayout(self.horizontalLayout_2)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtGui.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
self.menubar.setObjectName(_fromUtf8("menubar"))
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtGui.QStatusBar(MainWindow)
self.statusbar.setObjectName(_fromUtf8("statusbar"))
MainWindow.setStatusBar(self.statusbar)
self.label.setBuddy(self.txtQuery)
def save_query(self): self.retranslateUi(MainWindow)
defname="" QtCore.QObject.connect(self.cmdClearQuery, QtCore.SIGNAL(_fromUtf8("clicked()")), self.txtQuery.clear)
res=QtGui.QInputDialog.getText(self.Form, QtGui.QApplication.translate("Form", "New query"),QtGui.QApplication.translate("Form", "Insert the name for the query"), QtCore.QObject.connect(self.cmdClearHistory, QtCore.SIGNAL(_fromUtf8("clicked()")), self.listWidget.clear)
QtGui.QLineEdit.Normal,defname) QtCore.QObject.connect(self.txtQuery, QtCore.SIGNAL(_fromUtf8("returnPressed()")), MainWindow.execute)
if res[1]==False: QtCore.QObject.connect(self.cmdExecute, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.execute)
return QtCore.QObject.connect(self.cmdAbout, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.showAbout)
QtCore.QObject.connect(self.cmdSurvey, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.showSurvey)
QtCore.QObject.connect(self.cmdProduct, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addProduct)
QtCore.QObject.connect(self.cmdDifference, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addDifference)
QtCore.QObject.connect(self.cmdArrow, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addArrow)
QtCore.QObject.connect(self.cmdRename, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addRename)
QtCore.QObject.connect(self.cmdSelection, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addSelection)
QtCore.QObject.connect(self.cmdProjection, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addProjection)
QtCore.QObject.connect(self.cmdUnload, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.unloadRelation)
QtCore.QObject.connect(self.cmdSave, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.saveRelation)
QtCore.QObject.connect(self.cmdLoad, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.loadRelation)
QtCore.QObject.connect(self.cmdOptimize, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.optimize)
QtCore.QObject.connect(self.cmdUndoOptimize, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.undoOptimize)
QtCore.QObject.connect(self.txtResult, QtCore.SIGNAL(_fromUtf8("returnPressed()")), self.txtQuery.setFocus)
QtCore.QObject.connect(self.cmdDelete, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.deleteTuple)
QtCore.QObject.connect(self.cmdInsert, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.insertTuple)
QtCore.QObject.connect(self.cmdOuterRight, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addORight)
QtCore.QObject.connect(self.cmdOuter, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addOuter)
QtCore.QObject.connect(self.cmdOuterLeft, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addOLeft)
QtCore.QObject.connect(self.cmdJoin, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addJoin)
QtCore.QObject.connect(self.cmdDivision, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addDivision)
QtCore.QObject.connect(self.cmdIntersection, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addIntersection)
QtCore.QObject.connect(self.cmdUnion, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.addUnion)
QtCore.QObject.connect(self.lstRelations, QtCore.SIGNAL(_fromUtf8("itemDoubleClicked(QListWidgetItem*)")), MainWindow.printRelation)
QtCore.QObject.connect(self.lstRelations, QtCore.SIGNAL(_fromUtf8("itemClicked(QListWidgetItem*)")), MainWindow.showAttributes)
QtCore.QObject.connect(self.cmdClearQuery, QtCore.SIGNAL(_fromUtf8("clicked()")), self.txtQuery.setFocus)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
MainWindow.setTabOrder(self.cmdAbout, self.cmdSurvey)
MainWindow.setTabOrder(self.cmdSurvey, self.cmdProduct)
MainWindow.setTabOrder(self.cmdProduct, self.cmdDifference)
MainWindow.setTabOrder(self.cmdDifference, self.cmdUnion)
MainWindow.setTabOrder(self.cmdUnion, self.cmdIntersection)
MainWindow.setTabOrder(self.cmdIntersection, self.cmdDivision)
MainWindow.setTabOrder(self.cmdDivision, self.cmdJoin)
MainWindow.setTabOrder(self.cmdJoin, self.cmdOuterLeft)
MainWindow.setTabOrder(self.cmdOuterLeft, self.cmdOuterRight)
MainWindow.setTabOrder(self.cmdOuterRight, self.cmdOuter)
MainWindow.setTabOrder(self.cmdOuter, self.cmdProjection)
MainWindow.setTabOrder(self.cmdProjection, self.cmdSelection)
MainWindow.setTabOrder(self.cmdSelection, self.cmdRename)
MainWindow.setTabOrder(self.cmdRename, self.cmdArrow)
MainWindow.setTabOrder(self.cmdArrow, self.table)
MainWindow.setTabOrder(self.table, self.cmdInsert)
MainWindow.setTabOrder(self.cmdInsert, self.cmdDelete)
MainWindow.setTabOrder(self.cmdDelete, self.listWidget)
MainWindow.setTabOrder(self.listWidget, self.cmdOptimize)
MainWindow.setTabOrder(self.cmdOptimize, self.cmdUndoOptimize)
MainWindow.setTabOrder(self.cmdUndoOptimize, self.cmdClearHistory)
MainWindow.setTabOrder(self.cmdClearHistory, self.lstRelations)
MainWindow.setTabOrder(self.lstRelations, self.cmdLoad)
MainWindow.setTabOrder(self.cmdLoad, self.cmdSave)
MainWindow.setTabOrder(self.cmdSave, self.cmdUnload)
MainWindow.setTabOrder(self.cmdUnload, self.lstAttributes)
MainWindow.setTabOrder(self.lstAttributes, self.txtResult)
MainWindow.setTabOrder(self.txtResult, self.txtQuery)
MainWindow.setTabOrder(self.txtQuery, self.cmdClearQuery)
MainWindow.setTabOrder(self.cmdClearQuery, self.cmdExecute)
self.savedQ.addItem(res[0],QtCore.QVariant(self.txtQuery.text())) def retranslateUi(self, MainWindow):
def toggle_advanced(self): MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8))
'''Hides or shows the advanced frame''' self.groupBox_3.setTitle(QtGui.QApplication.translate("MainWindow", "Menu", None, QtGui.QApplication.UnicodeUTF8))
if self.advancedBox.isVisible(): self.cmdAbout.setText(QtGui.QApplication.translate("MainWindow", "About", None, QtGui.QApplication.UnicodeUTF8))
self.advancedBox.hide() self.cmdSurvey.setText(QtGui.QApplication.translate("MainWindow", "Survey", None, QtGui.QApplication.UnicodeUTF8))
else: self.groupBox_4.setTitle(QtGui.QApplication.translate("MainWindow", "Operators", None, QtGui.QApplication.UnicodeUTF8))
self.advancedBox.show() self.cmdProduct.setText(QtGui.QApplication.translate("MainWindow", "*", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDifference.setText(QtGui.QApplication.translate("MainWindow", "-", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnion.setText(QtGui.QApplication.translate("MainWindow", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdIntersection.setText(QtGui.QApplication.translate("MainWindow", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDivision.setText(QtGui.QApplication.translate("MainWindow", "÷", None, QtGui.QApplication.UnicodeUTF8))
self.cmdJoin.setText(QtGui.QApplication.translate("MainWindow", "ᐅᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterLeft.setText(QtGui.QApplication.translate("MainWindow", "ᐅLEFTᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuterRight.setText(QtGui.QApplication.translate("MainWindow", "ᐅRIGHTᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOuter.setText(QtGui.QApplication.translate("MainWindow", "ᐅFULLᐊ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdProjection.setText(QtGui.QApplication.translate("MainWindow", "π", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSelection.setText(QtGui.QApplication.translate("MainWindow", "σ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdRename.setText(QtGui.QApplication.translate("MainWindow", "ρ", None, QtGui.QApplication.UnicodeUTF8))
self.cmdArrow.setText(QtGui.QApplication.translate("MainWindow", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdInsert.setText(QtGui.QApplication.translate("MainWindow", "Insert", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDelete.setText(QtGui.QApplication.translate("MainWindow", "Delete", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOptimize.setText(QtGui.QApplication.translate("MainWindow", "Optimize", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUndoOptimize.setText(QtGui.QApplication.translate("MainWindow", "Undo optimize", None, QtGui.QApplication.UnicodeUTF8))
self.cmdClearHistory.setText(QtGui.QApplication.translate("MainWindow", "Clear history", None, QtGui.QApplication.UnicodeUTF8))
self.groupBox.setTitle(QtGui.QApplication.translate("MainWindow", "Relations", None, QtGui.QApplication.UnicodeUTF8))
self.cmdLoad.setText(QtGui.QApplication.translate("MainWindow", "Load relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSave.setText(QtGui.QApplication.translate("MainWindow", "Save relation", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUnload.setText(QtGui.QApplication.translate("MainWindow", "Unload relation", None, QtGui.QApplication.UnicodeUTF8))
self.groupBox_2.setTitle(QtGui.QApplication.translate("MainWindow", "Attributes", None, QtGui.QApplication.UnicodeUTF8))
self.txtResult.setText(QtGui.QApplication.translate("MainWindow", "_last1", None, QtGui.QApplication.UnicodeUTF8))
self.label.setText(QtGui.QApplication.translate("MainWindow", "=", None, QtGui.QApplication.UnicodeUTF8))
self.cmdClearQuery.setText(QtGui.QApplication.translate("MainWindow", "", None, QtGui.QApplication.UnicodeUTF8))
self.cmdExecute.setText(QtGui.QApplication.translate("MainWindow", "Execute", None, QtGui.QApplication.UnicodeUTF8))
def undo_optimize(self):
'''Undoes the optimization on the query, popping one item from the undo list'''
try:
self.txtQuery.setText(self.undo.pop())
except:#Nothing to restore
pass
def optimize(self):
'''Performs all the possible optimizations on the query'''
self.undo.insert(len(self.undo),self.txtQuery.text()) #Storing the query in undo list
result=optimizer.optimize_all(str(self.txtQuery.text().toUtf8()),self.relations)
self.txtQuery.setText(QtCore.QString.fromUtf8(result))
#self.txtQuery.setText(result)
def execute(self):
'''Executes the query'''
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
#self.undo.insert(len(self.undo),self.txtQuery.text()) #Storing the query in undo list
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.selectedRelation=result
self.showRelation(self.selectedRelation) #Show the result in the table
except Exception, e:
print e
QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),"%s\n%s" % (QtGui.QApplication.translate("Form", "Check your query!"),e.__str__()) )
def showRelation(self,rel):
'''Shows the selected relation into the table'''
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.selectedRelation=self.relations[str(i.text().toUtf8())]
self.showRelation(self.selectedRelation)
def showAttributes(self,*other):
'''Shows the attributes of the selected relation'''
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.setDefaultValues()
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,filename=None,name=None):
'''Loads a relation. Without parameters it will ask the user which relation to load,
otherwise it will load filename, giving it name.
It shouldn't be called giving filename but not giving name.'''
#Asking for file to load
if filename==None:
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('/') #Split the full path
defname=f[len(f)-1].lower() #Takes only the lowercase filename
else:
f=filename.split('/') #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]
if name==None: #Prompt dialog to insert name for the relation
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 or len(res[0])==0:
return
#Patch provided by Angelo 'Havoc' Puglisi
self.relations[str(res[0].toUtf8())]=relation.relation(str(filename.toUtf8()),use_csv)
else: #name was decided by caller
self.relations[name]=relation.relation(filename)
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())
if self.selectedRelation!=None and self.selectedRelation.insert(t) > 0:
self.showRelation(self.selectedRelation)
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
if self.selectedRelation!=None and self.selectedRelation.delete(str(res[0].toUtf8())) > 0:
self.showRelation(self.selectedRelation)
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 addDivision(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.cmdDivision = QtGui.QPushButton(self.groupBox)
self.cmdDivision.setMaximumSize(QtCore.QSize(16777215,16777215))
self.cmdDivision.setObjectName("cmdDivision")
self.verticalLayout.addWidget(self.cmdDivision)
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(self.selectedRelation)
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.queryLayout = QtGui.QHBoxLayout()
self.queryLayout.setObjectName("queryLayout")
self.label = QtGui.QLabel(Form)
self.label.setObjectName("label")
self.queryLayout.addWidget(self.label)
self.txtResult = QtGui.QLineEdit(Form)
self.txtResult.setMaximumSize(QtCore.QSize(70,16777215))
self.txtResult.setObjectName("txtResult")
self.queryLayout.addWidget(self.txtResult)
self.label_2 = QtGui.QLabel(Form)
self.label_2.setObjectName("label_2")
self.queryLayout.addWidget(self.label_2)
self.txtQuery = QtGui.QLineEdit(Form)
self.txtQuery.setObjectName("txtQuery")
self.queryLayout.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.queryLayout.addWidget(self.cmdExecute)
self.cmdAdvanced = QtGui.QPushButton(Form)
self.cmdAdvanced.setAutoDefault(False)
self.cmdAdvanced.setFlat(False)
self.cmdAdvanced.setObjectName("cmdAdvanced")
self.queryLayout.addWidget(self.cmdAdvanced)
self.advancedBox = QtGui.QGroupBox(Form)
self.advancedBox.setObjectName("advancedBox")
self.advancedLayout = QtGui.QHBoxLayout(self.advancedBox)
self.advancedLayout.setObjectName("AdvancedLayout")
self.advancedBox.hide()
self.cmdOptimize = QtGui.QPushButton(Form)
self.cmdOptimize.setAutoDefault(False)
self.cmdOptimize.setFlat(False)
self.cmdOptimize.setObjectName("cmdOptimize")
self.advancedLayout.addWidget(self.cmdOptimize)
self.cmdUndoOptimize = QtGui.QPushButton(Form)
self.cmdUndoOptimize.setAutoDefault(False)
self.cmdUndoOptimize.setDefault(True)
self.cmdUndoOptimize.setFlat(False)
self.cmdUndoOptimize.setObjectName("cmdUndoOptimize")
self.advancedLayout.addWidget(self.cmdUndoOptimize)
self.savedQ= QtGui.QComboBox(Form)
self.savedQ.addItem(QtGui.QApplication.translate("Form", "Select query"),QtCore.QVariant(None))
self.advancedLayout.addWidget(self.savedQ)
self.cmdSaveQ = QtGui.QPushButton(Form)
self.cmdSaveQ.setAutoDefault(False)
self.cmdSaveQ.setFlat(False)
self.cmdSaveQ.setObjectName("cmdSaveQ")
self.advancedLayout.addWidget(self.cmdSaveQ)
self.verticalLayout_7.addLayout(self.queryLayout)
self.verticalLayout_7.addWidget(self.advancedBox)
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.cmdDivision,QtCore.SIGNAL("clicked()"),self.addDivision)
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.cmdAdvanced,QtCore.SIGNAL("clicked()"),self.toggle_advanced)
QtCore.QObject.connect(self.cmdOptimize,QtCore.SIGNAL("clicked()"),self.optimize)
QtCore.QObject.connect(self.cmdUndoOptimize,QtCore.SIGNAL("clicked()"),self.undo_optimize)
QtCore.QObject.connect(self.cmdSaveQ,QtCore.SIGNAL("clicked()"),self.save_query)
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.QObject.connect(self.savedQ,QtCore.SIGNAL("currentIndexChanged(int)"),self.load_query)
QtCore.QMetaObject.connectSlotsByName(Form)
Form.setTabOrder(self.txtResult,self.txtQuery)
Form.setTabOrder(self.txtQuery,self.cmdExecute)
Form.setTabOrder(self.txtQuery,self.cmdAdvanced)
Form.setTabOrder(self.txtQuery,self.cmdOptimize)
Form.setTabOrder(self.txtQuery,self.cmdUndoOptimize)
Form.setTabOrder(self.txtQuery,self.savedQ)
Form.setTabOrder(self.txtQuery,self.cmdSaveQ)
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.advancedBox.setTitle(QtGui.QApplication.translate("Form", "Advanced", 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.cmdDivision.setToolTip(QtGui.QApplication.translate("Form", "Division operator", None, QtGui.QApplication.UnicodeUTF8))
self.cmdDivision.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))
self.cmdAdvanced.setText(QtGui.QApplication.translate("Form", "Advanced", None, QtGui.QApplication.UnicodeUTF8))
self.cmdOptimize.setText(QtGui.QApplication.translate("Form", "Optimize", None, QtGui.QApplication.UnicodeUTF8))
self.cmdUndoOptimize.setText(QtGui.QApplication.translate("Form", "Undo optimize", None, QtGui.QApplication.UnicodeUTF8))
self.cmdSaveQ.setText(QtGui.QApplication.translate("Form", "Save query", None, QtGui.QApplication.UnicodeUTF8))
if __name__ == "__main__": if __name__ == "__main__":
import sys import sys
app = QtGui.QApplication(sys.argv) app = QtGui.QApplication(sys.argv)
Form = QtGui.QWidget() MainWindow = QtGui.QMainWindow()
ui = Ui_MainWindow()
ui = Ui_Form() ui.setupUi(MainWindow)
ui.setupUi(Form) MainWindow.show()
Form.show()
Form.setWindowTitle("Relational")
sys.exit(app.exec_()) sys.exit(app.exec_())