diff --git a/relational_gui.py b/relational_gui.py index 6dc126d..98ca7b3 100755 --- a/relational_gui.py +++ b/relational_gui.py @@ -83,17 +83,19 @@ if __name__ == "__main__": if x11: import sip from PyQt4 import QtCore, QtGui - from relational_gui import maingui, about, surveyForm + from relational_gui import maingui,guihandler, about, surveyForm about.version=version surveyForm.version=version app = QtGui.QApplication(sys.argv) - Form = QtGui.QWidget() + + ui = maingui.Ui_MainWindow() + Form = guihandler.relForm(ui) - if os.name=='nt': - Form.setFont(QtGui.QFont("Dejavu Sans Bold")) + #if os.name=='nt': + Form.setFont(QtGui.QFont("Dejavu Sans Bold")) - ui = maingui.Ui_Form() + ui.setupUi(Form) for i in range(len(files)): @@ -105,7 +107,7 @@ if __name__ == "__main__": if defname.endswith(".csv"): #removes the extension defname=defname[:-4] print 'Loading file "%s" with name "%s"' % (files[i],defname) - ui.loadRelation(files[i],defname) + Form.loadRelation(files[i],defname) Form.show() sys.exit(app.exec_()) diff --git a/relational_gui/guihandler.py b/relational_gui/guihandler.py new file mode 100644 index 0000000..079d849 --- /dev/null +++ b/relational_gui/guihandler.py @@ -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 . +# +# author Salvo "LtWorf" Tomaselli +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"ᑌ") + def addIntersection(self): + self.addSymbolInQuery(u"ᑎ") + 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() \ No newline at end of file diff --git a/relational_gui/maingui.py b/relational_gui/maingui.py index 8e84ca0..33f6424 100644 --- a/relational_gui/maingui.py +++ b/relational_gui/maingui.py @@ -1,603 +1,321 @@ # -*- 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 . -# -# author Salvo "LtWorf" Tomaselli + +# Form implementation generated from reading ui file 'maingui.ui' +# +# Created: Sun Mar 20 20:10:47 2011 +# by: PyQt4 UI code generator 4.8.3 +# +# WARNING! All changes made in this file will be lost! + from PyQt4 import QtCore, QtGui -from relational import relation, parser, optimizer -import sys -import about -import survey -import os -import surveyForm +try: + _fromUtf8 = QtCore.QString.fromUtf8 +except AttributeError: + _fromUtf8 = lambda s: s -class Ui_Form(object): - def __init__(self): - self.About=None - self.Survey=None - self.relations={} #Dictionary for relations - self.undo=[] #UndoQueue for queries - self.selectedRelation=None - def load_query(self,*index): - self.txtQuery.setText(self.savedQ.itemData(index[0]).toString()) - - def save_query(self): - defname="" - res=QtGui.QInputDialog.getText(self.Form, QtGui.QApplication.translate("Form", "New query"),QtGui.QApplication.translate("Form", "Insert the name for the query"), - QtGui.QLineEdit.Normal,defname) - if res[1]==False: - return - - self.savedQ.addItem(res[0],QtCore.QVariant(self.txtQuery.text())) - def toggle_advanced(self): - '''Hides or shows the advanced frame''' - if self.advancedBox.isVisible(): - self.advancedBox.hide() - else: - self.advancedBox.show() - - 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() +class Ui_MainWindow(object): + def setupUi(self, MainWindow): + MainWindow.setObjectName(_fromUtf8("MainWindow")) + MainWindow.resize(800, 612) + self.centralwidget = QtGui.QWidget(MainWindow) + self.centralwidget.setObjectName(_fromUtf8("centralwidget")) + self.verticalLayout_7 = QtGui.QVBoxLayout(self.centralwidget) + self.verticalLayout_7.setObjectName(_fromUtf8("verticalLayout_7")) + 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 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"ᑌ") - self.txtQuery.setFocus() - def addIntersection(self): - self.txtQuery.insert(u"ᑎ") - 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(MainWindow) + QtCore.QObject.connect(self.cmdClearQuery, QtCore.SIGNAL(_fromUtf8("clicked()")), self.txtQuery.clear) + QtCore.QObject.connect(self.cmdClearHistory, QtCore.SIGNAL(_fromUtf8("clicked()")), self.listWidget.clear) + QtCore.QObject.connect(self.txtQuery, QtCore.SIGNAL(_fromUtf8("returnPressed()")), MainWindow.execute) + QtCore.QObject.connect(self.cmdExecute, QtCore.SIGNAL(_fromUtf8("clicked()")), MainWindow.execute) + 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.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, MainWindow): + MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8)) + self.groupBox_3.setTitle(QtGui.QApplication.translate("MainWindow", "Menu", None, QtGui.QApplication.UnicodeUTF8)) + self.cmdAbout.setText(QtGui.QApplication.translate("MainWindow", "About", None, QtGui.QApplication.UnicodeUTF8)) + self.cmdSurvey.setText(QtGui.QApplication.translate("MainWindow", "Survey", None, QtGui.QApplication.UnicodeUTF8)) + self.groupBox_4.setTitle(QtGui.QApplication.translate("MainWindow", "Operators", None, QtGui.QApplication.UnicodeUTF8)) + 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", "ᑌ", None, QtGui.QApplication.UnicodeUTF8)) + self.cmdIntersection.setText(QtGui.QApplication.translate("MainWindow", "ᑎ", 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 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", "ᑌ", None, QtGui.QApplication.UnicodeUTF8)) - self.cmdIntersection.setToolTip(QtGui.QApplication.translate("Form", "Intersection operator", None, QtGui.QApplication.UnicodeUTF8)) - self.cmdIntersection.setText(QtGui.QApplication.translate("Form", "ᑎ", 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__": import sys app = QtGui.QApplication(sys.argv) - Form = QtGui.QWidget() - - ui = Ui_Form() - ui.setupUi(Form) - Form.show() - Form.setWindowTitle("Relational") + MainWindow = QtGui.QMainWindow() + ui = Ui_MainWindow() + ui.setupUi(MainWindow) + MainWindow.show() sys.exit(app.exec_())