Exemple #1
0
class Base(QMainWindow):
    """
    Esta clase sirve de base para todos aquellos 
    formularios que siguen el estandar de dos pestañas, una para navegación
    y otra para edición
    """

    orientation = QPrinter.Portrait
    pageSize = QPrinter.Letter
    web = ""

    def __init__(self, parent, own_toolbar=False):
        """
        @param parent: El widget padre de esta ventana
        @param own_toolbar: Si este widget dibujara su toolbar en el padre o en el mismo
        @type parent: QWidget
        @type own_toolbar: bool
        """
        super(Base, self).__init__(parent)
        self.user = user.LoggedUser
        self._status = True
        self.parentWindow = parent
        self.own_toolbar = own_toolbar

        self.database = QSqlDatabase.database()
        """
        @type: QSqlDatabase
        @ivar: La base de datos a la cual se conecta el sistema
        """

        self.mapper = QDataWidgetMapper(self)
        u"""
        @type: QDataWidgetMapper
        @ivar: El mapper que se encarga de asignar los 
        datos del modelo de navegación a los distintos widgets
        """

        self.printProgressBar = QProgressBar(self)
        self.webview = QWebView()
        """
        @ivar: EL objeto webview usado para cargar los reportes
        @type: QWebView
        """
        self.loaded = False
        """
        @ivar: Si se pudo o no cargar un reporte
        @type: bool
        """

        self.startUi()

        self.editmodel = None
        self.printer = QPrinter()

        self._status = False

    def startUi(self):
        """
        Iniciar todos los elementos graficos
        """
        self.setupUi(self)
        if not self.own_toolbar:
            self.parent().addToolBar(self.toolBar)
            self.removeToolBar(self.toolBar)

        settings = QSettings()
        self.restoreState(settings.value(self.windowTitle() + "/State").toByteArray())

        """
        @ivar: El MainWindow al que pertenece este widget
        """
        self.createActions()

        self.printProgressBar.setVisible(False)

        _tab1shortcut = QShortcut(QKeySequence("Ctrl+1"), self, functools.partial(self.tabWidget.setCurrentIndex, 0))
        _tab2shortcut = QShortcut(QKeySequence("Ctrl+2"), self, functools.partial(self.tabWidget.setCurrentIndex, 1))

        self.mapper.currentIndexChanged[int].connect(self.updateDetailFilter)

        self.actionCut.setVisible(False)
        self.actionPaste.setVisible(False)
        self.actionCopy.setVisible(False)

    def closeEvent(self, event):
        u"""
        Guardar el tamaño, la posición en la pantalla y la posición de
         la barra de tareas
        Preguntar si realmente se desea cerrar la pestaña cuando
         se esta en modo edición
        """
        if not self.status:
            if (
                not QMessageBox.question(
                    self, qApp.organizationName(), u"¿Está seguro que desea salir?", QMessageBox.Yes | QMessageBox.No
                )
                == QMessageBox.Yes
            ):
                event.ignore()

        # Guardar el tamaño y la posición
        settings = QSettings()
        settings.setValue(self.windowTitle() + "/Geometry", self.saveGeometry())

        if not self.own_toolbar:
            self.parent().mdiArea().parent().parent().removeToolBar(self.toolBar)

    def editCell(self):
        """
        Editar la celda actualmente seleccionada de self.tableedit
        """
        self.tabledetails.edit(self.tabledetails.selectionModel().currentIndex())

    @pyqtSlot(QDateTime)
    @if_edit_model
    def on_dtPicker_dateTimeChanged(self, datetime):
        """
        Cambiar el tipo de cambio del modelo de edición si cambia la fecha
        @param datetime: La fecha contenida en self.dtPicker
        @type datetime: QDateTime
        """
        query = QSqlQuery()
        try:
            if not self.database.isOpen():
                if not self.database.open():
                    raise Exception(
                        "No se pudo conectar a la base de " + "datos para recuperar los tipos " + "de cambio"
                    )

            q = """
                SELECT idtc, tasa
                FROM tiposcambio
                WHERE fecha = %s
                LIMIT 1
            """ % datetime.toString(
                "yyyyMMdd"
            )

            if not query.exec_(q):

                raise UserWarning("No se pudieron recuperar los tipos de " + "cambio")
            if not query.size() == 1:
                logging.critical(u"La consulta para obtener tipos de " + "cambio no devolvio exactamente un valor")
                raise UserWarning(u"Hubo un error al obtener los tipos " + "de cambio")

            query.first()
            self.editmodel.exchangeRateId = query.value(0).toInt()[0]
            self.editmodel.exchangeRate = Decimal(query.value(1).toString())

            # self.editmodel.setData( self.editmodel.index( 0, 0 ), self.editmodel.index( 0, 0 ).data() )

            self.editmodel.datetime = datetime
        except UserWarning as inst:
            QMessageBox.critical(self, qApp.organizationName(), unicode(inst))
            self.dtPicker.setDateTime(self.editmodel.datetime)
            logging.error(inst)
            logging.error(query.lastError().text())
        except Exception as inst:
            QMessageBox.critical(self, qApp.organizationName(), u"Hubo un error al obtener los tipos de" + " cambio")
            logging.critical(query.lastError().text())
            logging.critical(inst)
            self.dtPicker.setDateTime(self.editmodel.datetime)

    def navigate(self, to):
        """
        Esta funcion se encarga de navegar entro los distintos documentos
        @param to: es una string que puede tomar los valores 'next' 'previous'
         'first' 'last'
        """
        if self.mapper.currentIndex != -1:
            row = self.mapper.currentIndex()
            if to == "next":
                row += 1
                if row >= self.navproxymodel.rowCount():
                    row = self.navproxymodel.rowCount() - 1
                self.mapper.setCurrentIndex(row)
            elif to == "previous":
                if row <= 1:
                    row = 0
                else:
                    row = row - 1
                self.mapper.setCurrentIndex(row)
            elif to == "first":
                self.mapper.toFirst()
            elif to == "last":
                self.mapper.toLast()
        else:
            self.mapper.toLast()()

        if self.tabledetails != None:
            self.tabledetails.resizeColumnsToContents()
            self.tabledetails.horizontalHeader().setStretchLastSection(True)
        self.tablenavigation.selectRow(self.mapper.currentIndex())

    def updateDetailFilter(self, _index):
        """
        Esta función se debe implementar en los formularios para que al 
        navegar se actualize el filtro de la tabla detalles
        @param index: Este es el indice del mapper en el que actualmente 
        se encuentra navegando
        @type index: int 
        """
        QMessageBox.information(self, qApp.organizationName(), u"Esta parte del sistema no ha " + "sido implementada")
        raise NotImplementedError()

    def loadModels(self):
        """
        Esta función se ejecuta en el constructor del formulario mediante
        un QTimer, carga los formularios por primera vez
        """
        self.updateModels()

        self.navigate("last")
        self.status = True

    def _setStatus(self, stat):
        """
        @param stat:  False = editando, True = navegando
        @type stat: bool
        """
        self._status = stat
        self.setControls(self._status)

    def _getStatus(self):
        """
        esta propiedad cambia entre navegar y editar
        """
        return self._status

    status = property(_getStatus, _setStatus)

    @pyqtSlot(unicode)
    def on_txtSearch_textChanged(self, searchstring):
        """
        Cambiar el filtro para el navigation model
        @param searchstring: Es el contenido por el cual se va a 
        filtrar el modelo de navegación
        @type searchstring: string
        """
        self.navproxymodel.setFilterFixedString(searchstring)

    @pyqtSlot(QModelIndex)
    def on_tablenavigation_doubleClicked(self, index):
        """
        Al hacer doble click en la tabla de navegación el se cambia a la
        pestaña detalles mostrando el documento seleccionado
        @param index: El indice de la tabla en la que se dio doble click
        @type index: QModelIndex 
        """
        self.mapper.setCurrentIndex(index.row())
        self.tabWidget.setCurrentIndex(0)

    @pyqtSlot(QModelIndex)
    def on_tablenavigation_clicked(self, index):
        self.mapper.setCurrentIndex(index.row())

    def save(self, ask=True):
        """
        Guardar el documento actual
        @param ask: Si se deberia o no preguntar al usuario si 
            esta seguro antes de proceder
        @type ask: bool
        """
        if (
            ask == False
            or QMessageBox.question(
                self, qApp.organizationName(), u"¿Esta seguro que desea guardar?", QMessageBox.Yes | QMessageBox.No
            )
            == QMessageBox.Yes
        ):
            if self.editmodel.valid:
                if self.editmodel.save():
                    QMessageBox.information(self, qApp.organizationName(), u"El documento se ha guardado con éxito")
                    self.editmodel = None
                    self.updateModels()
                    self.navigate("last")
                    self.status = True
                else:
                    QMessageBox.critical(self, qApp.organizationName(), "Ha ocurrido un error al guardar el documento")

            else:
                try:
                    QMessageBox.warning(self, qApp.organizationName(), self.editmodel.validError)
                except AttributeError:
                    QMessageBox.warning(
                        self,
                        qApp.organizationName(),
                        u"El documento no puede guardarse" + " ya que la información no esta" + " completa",
                    )

    def setControls(self, unused_status):
        """
        Habilitar o deshabilitar los controles según status
        @param status: 
        @type status: bool
        """
        QMessageBox.information(self, qApp.organizationName(), u"Esta parte del sistema no ha sido implementada")
        raise NotImplementedError()

    def addLine(self):
        """
        añadir una linea a table edit, solo se llama directamente 
        en una ocasion, al comenzar la edicion de un documento
        """
        row = self.editmodel.rowCount()
        self.editmodel.insertRows(row)

    def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False, signal="triggered"):
        """
        Crear un objeto acción
        @param text: El texto de la acción
        @type text: string

        @param slot: El slot que se ejecutara cuando se dispare esta acción
        @type slot: callable

        @param shortcut: El acceso directo que tiene asignada esta acción
        @type shortcut: QKeySequence

        @param icon: El icono de esta acción
        @type icon: string

        @param tip: El tooltip que tendra esta acción
        @type tip: string

        @param checkable: Si esta acción es checkable o no
        @type checkable: bool

        @param signal: La señal en la que esta acción ejecutara el slot
        @type signal: string

        @rtype: QAction
        """
        action = QAction(text, self)
        if icon is not None:
            if type(icon) == QIcon:
                action.setIcon(icon)
            else:
                action.setIcon(QIcon(icon))
        if shortcut is not None:
            action.setShortcut(shortcut)
        if tip is not None:
            action.setToolTip(tip)
            action.setStatusTip(tip)
        if slot is not None:
            getattr(action, signal).connect(slot)
        if checkable:
            action.setCheckable(True)
        return action

    def newDocument(self):
        """
        Empezar la edición de un nuevo documento
        """
        QMessageBox.information(self, qApp.organizationName(), u"Esta parte del sistema no ha sido implementada")
        raise NotImplementedError()

    def cancel(self):
        """
        Cancelar la edición del nuevo documento
        """
        QMessageBox.information(self, qApp.organizationName(), u"Esta parte del sistema no ha sido implementada")
        raise NotImplementedError()

    @property
    def printIdentifier(self):
        """
        La identificación de este documento para reporte,
         normalmente sera el iddocumento o el ndocimpreso
        @rtype:string
        """
        raise NotImplementedError(u"printIdentifier debe implementarse para " + "poder imprimir")

    def preview(self):
        """
        Muestra el dialogo de vista previa de impresión
        """
        try:
            printer = QPrinter()
            printer.setOrientation(self.orientation)
            printer.setPageSize(self.pageSize)
            web = self.web + self.printIdentifier
            report = reports.frmReportes(web, printer, self)
            report.exec_()
        except NotImplementedError as inst:
            QMessageBox.information(
                self, qApp.organizationName(), u"No se ha implementado la función de impresión para este modulo"
            )
            logging.error(unicode(inst))
        except UserWarning as inst:
            QMessageBox.critical(self, qApp.organizationName(), unicode(inst))
            logging.error(unicode(inst))
        except Exception as inst:
            QMessageBox.critical(self, qApp.organizationName(), "Hubo un error al intentar mostrar su reporte")
            logging.critical(unicode(inst))

    def printDocument(self):
        """
        Imprime el documento actual
        """
        try:

            base = reports.Reports.url

            if base == "":
                raise UserWarning(u"No existe una configuración para el " + "servidor de reportes")

            self.printer.setOrientation(self.orientation)
            self.printer.setPageSize(self.pageSize)

            web = base + self.web + self.printIdentifier + "&uname=" + self.user.user + "&hash=" + self.user.hash
            self.loaded = False

            self.webview.load(QUrl(web))

            self.webview.loadFinished[bool].connect(self.on_webview_loadFinished)
            self.webview.loadProgress[int].connect(self.on_webview_loadProgress)
        except NotImplementedError as inst:
            logging.error(unicode(inst))
            QMessageBox.information(
                self, qApp.organizationName(), u"La función de impresión no se ha " + "implementado para este modulo"
            )
        except UserWarning as inst:
            logging.error(unicode(inst))
            QMessageBox.critical(self, qApp.organizationName(), unicode(inst))
        except Exception as inst:
            logging.critical(unicode(inst))
            QMessageBox.critical(self, qApp.organizationName(), "Hubo un problema al intentar imprimir" + " su reporte")

    def on_webview_loadProgress(self, progress):
        """
        Muestra el progreso de la carga del reporte en un progressBar
        """
        self.printProgressBar.setValue(progress)

    def on_webview_loadFinished(self, status):
        if self.printProgressBar.isVisible():
            self.printProgressBar.hide()
        if not status:
            QMessageBox.critical(self, qApp.organizationName(), "El reporte no se pudo cargar")
            logging.error("No se pudo cargar el reporte")

        self.loaded = True

        printdialog = QPrintDialog(self.printer, self)
        if printdialog.exec_() == QDialog.Accepted:
            self.webview.print_(self.printer)

        del self.webview

    def deleteRow(self):
        """
        Funcion usada para borrar lineas de la tabla
        """
        index = self.tabledetails.currentIndex()

        if not index.isValid():
            return
        row = index.row()

        self.editmodel.removeRows(row, 1)
        self.updateLabels()

    def updateLabels(self):
        """
        Este metodo se llama para actualizar las etiquetas de totales en el
        formulario
        """
        raise NotImplementedError()

    def createActions(self):
        """
        Crea las acciones predefinidas del sistema
        """
        self.actionNew = self.createAction(
            text="Nuevo",
            tip="Crear un nuevo documento",
            icon=QIcon.fromTheme("document-new", QIcon(":/icons/res/document-new.png")),
            shortcut="Ctrl+n",
            slot=self.newDocument,
        )
        self.actionPreview = self.createAction(
            text="Previsualizar",
            tip=u"Vista de impresión del documento",
            icon=QIcon.fromTheme("document-preview", QIcon(":/icons/res/document-preview.png")),
            shortcut="Ctrl+p",
            slot=self.preview,
        )
        self.actionPrint = self.createAction(
            text="Imprimir",
            tip="Imprimir el documento",
            icon=QIcon.fromTheme("document-print", QIcon(":/icons/res/document-print.png")),
            slot=self.printDocument,
        )
        self.actionSave = self.createAction(
            text="Guardar",
            tip="Guardar el documento",
            icon=QIcon.fromTheme("document-save", QIcon(":/icons/res/document-save.png")),
            shortcut="Ctrl+g",
            slot=self.save,
        )
        self.actionCancel = self.createAction(
            text="Cancelar",
            tip=u"Cancelar la creación del nuevo documento",
            icon=QIcon.fromTheme("dialog-cancel", QIcon(":/icons/res/dialog-cancel.png")),
            shortcut="Esc",
            slot=self.cancel,
        )

        # edicion, TODO: QUE FUNCIONEN ESTAS ACCIONES
        self.actionCopy = self.createAction(
            text="Copiar", icon=QIcon.fromTheme("edit-copy", QIcon(":/icons/res/edit-copy.png")), shortcut="Ctrl+c"
        )
        self.actionCut = self.createAction(
            text="Cortar", icon=QIcon.fromTheme("edit-cut", QIcon(":/icons/res/edit-cut.png")), shortcut="Ctrl+x"
        )
        self.actionPaste = self.createAction(text="Pegar", icon=":/icons/res/edit-paste.png", shortcut="Ctrl+v")

        # navegación
        self.actionGoFirst = self.createAction(
            text="Primer documento",
            tip="Ir al primer documento",
            icon=QIcon.fromTheme("go-first", QIcon(":/icons/res/go-first.png")),
            slot=functools.partial(self.navigate, "first"),
        )
        self.actionGoPrevious = self.createAction(
            text="Documento anterior",
            tip="Ir al documento anterior",
            icon=QIcon.fromTheme("go-previous", QIcon(":/icons/res/go-previous.png")),
            slot=functools.partial(self.navigate, "previous"),
        )
        self.actionGoLast = self.createAction(
            text="Ultimo documento",
            tip="Ir al ultimo documento",
            icon=QIcon.fromTheme("go-last", QIcon(":/icons/res/go-last.png")),
            slot=functools.partial(self.navigate, "last"),
        )
        self.actionGoNext = self.createAction(
            text="Documento siguiente",
            tip="Ir al siguiente documento",
            icon=QIcon.fromTheme("go-next", QIcon(":/icons/res/go-next.png")),
            slot=functools.partial(self.navigate, "next"),
        )

        self.actionDeleteRow = self.createAction(
            text="Borrar la fila",
            icon=QIcon.fromTheme("edit-delete", QIcon(":/icons/res/edit-delete.png")),
            slot=self.deleteRow,
        )

        self.addActionsToToolBar()

    def addActionsToToolBar(self):
        """
        Añade las acciones predefinidas a la barra de tareas
        """
        self.toolBar.addActions(
            [self.actionNew, self.actionPreview, self.actionPrint, self.actionSave, self.actionCancel]
        )
        self.toolBar.addSeparator()

        self.toolBar.addActions(
            [self.actionGoFirst, self.actionGoPrevious, self.actionGoLast, self.actionGoNext, self.actionGoLast]
        )

    @pyqtSlot()
    @if_edit_model
    def on_txtObservations_textChanged(self):
        """
        Asignar las observaciones al editmodel
        """
        self.editmodel.observations = self.txtObservations.toPlainText().strip()
Exemple #2
0
class MainWindow(QMainWindow, fatture_ui.Ui_MainWindow):

    FIRST, PREV, NEXT, LAST = range(4)

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)

        self.setupUi(self)
        self.setupMenu()
        self.restoreWinSettings()

        self.editindex = None
        self.filename = None
        self.db = QSqlDatabase.addDatabase("QSQLITE")

        self.loadInitialFile()
        self.setupUiSignals()

    def mmUpdate(self):
        row = self.mapper.currentIndex()
        id = self.mModel.data(self.mModel.index(row,MID)).toString()
        self.sModel.setFilter("mmid=%s" % id)
        self.sModel.select()
        self.sTableView.setColumnHidden(SID, True)
        self.sTableView.setColumnHidden(SMID, True)


    def addDdtRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mModel.rowCount()
        self.mapper.submit()
        self.mModel.insertRow(row)
        self.mapper.setCurrentIndex(row)
        self.dateEdit.setDate(QDate.currentDate())
        self.dateEdit.setFocus()
        self.mmUpdate()

    def delDdtRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mapper.currentIndex()
        if row == -1:
            self.statusbar.showMessage(
                        "Nulla da cancellare...",
                        5000)
            return
        record = self.mModel.record(row)
        id = record.value(MID).toInt()[0]
        fatt = record.value(MDOC).toString()
        if(QMessageBox.question(self, "Cancella Scaffale",
                    "Vuoi cancellare il ddt N': {0} ?".format(fatt),
                    QMessageBox.Yes|QMessageBox.No) ==
                    QMessageBox.No):
            self.statusbar.showMessage(
                        "Cancellazione ddt annullata...",
                        5000)
            return
        # cancella scaffale
        self.mModel.removeRow(row)
        self.mModel.submitAll()
        if row + 1 >= self.mModel.rowCount():
            row = self.mModel.rowCount() - 1
        self.mapper.setCurrentIndex(row)
        if self.mModel.rowCount() == 0:
            self.cauLineEdit.setText(QString(""))
            self.noteLineEdit.setText(QString(""))
            self.ddtLineEdit.setText(QString(""))
            self.cliComboBox.setCurrentIndex(-1)

        # cancella tutti gli articoli che si riferiscono
        # allo scaffale cancellato
        self.sModel.setFilter("mmid=%s" % id)
        self.sModel.select()
        self.sModel.removeRows(0, self.sModel.rowCount())
        self.sModel.submitAll()
        self.statusbar.showMessage(
                        "Cancellazione eseguita...",
                        5000)
        self.mmUpdate()

    def addDettRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        rowfatt = self.mapper.currentIndex()
        record = self.mModel.record(rowfatt)
        masterid = record.value(MID).toInt()[0]
        if masterid < 1:
            self.statusbar.showMessage(
                "Scaffale non valido o non confermato...",
                5000)
            self.dateEdit.setFocus()
            return
        # aggiunge la nuova riga alla vista
        self.sModel.submitAll()
        self.sModel.select()
        row = self.sModel.rowCount()
        self.sModel.insertRow(row)
        self.sModel.setData(self.sModel.index(row, SMID),
                                                QVariant(masterid))
        self.sModel.setData(self.sModel.index(row, SQT),
                                                QVariant(1))
        self.sModel.setData(self.sModel.index(row, SDESC),
                                                QVariant(""))
        self.sModel.setData(self.sModel.index(row, SIMP),
                                                QVariant(0.0))
        self.sModel.setData(self.sModel.index(row, SIVA),
                                                QVariant(20.0))
        self.editindex = self.sModel.index(row, SQT)
        self.sTableView.setCurrentIndex(self.editindex)
        self.sTableView.edit(self.editindex)

    def delDettRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        selrows = self.sItmSelModel.selectedRows()
        if not selrows:
            self.statusbar.showMessage(
                "No articles selected to delete...",
                5000)
            return
        if(QMessageBox.question(self, "Cancellazione righe",
                "Vuoi cancellare: {0} righe?".format(len(selrows)),
                QMessageBox.Yes|QMessageBox.No) ==
                QMessageBox.No):
            return
        QSqlDatabase.database().transaction()
        query = QSqlQuery()
        query.prepare("DELETE FROM fattslave WHERE id = :val")
        for i in selrows:
            if i.isValid():
                query.bindValue(":val", QVariant(i.data().toInt()[0]))
                query.exec_()
        QSqlDatabase.database().commit()
        self.sModel.revertAll()
        self.mmUpdate()


    def setupMenu(self):
        # AboutBox
        self.connect(self.action_About, SIGNAL("triggered()"),
                    self.showAboutBox)
        # FileNew
        self.connect(self.action_New_File, SIGNAL("triggered()"),
                    self.newFile)

        # FileLoad
        self.connect(self.action_Load_File, SIGNAL("triggered()"),
                    self.openFile)

        # Edit customers
        self.connect(self.action_Add_Customers, SIGNAL("triggered()"),
                    self.editCustomers)


    def editCustomers(self):
        relpath = os.path.dirname(__file__)
        if relpath:
            relpath = "%s/" % relpath
        subprocess.call(['python',os.path.join("%s../clienti/" %
                                        relpath, "clienti.py")])
        self.setupModels()
        self.setupMappers()
        self.setupTables()
        self.mmUpdate()

    def showAboutBox(self):
        dlg = aboutfatt.AboutBox(self)
        dlg.exec_()

    def creaStrutturaDB(self):
        query = QSqlQuery()
        if not ("tipofatt" in self.db.tables()):
            if not query.exec_("""CREATE TABLE tipofatt (
                        id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL,
                        tfatt VARCHAR(50) NOT NULL)"""):
                QMessageBox.warning(self, "Gestione Fatture",
                                QString("Creazione tabella tipofatt fallita!"))
                return False
            else:
                # aggiungi voci !!!!
                query.exec_("""INSERT INTO tipofatt
                            VALUES (NULL,'Fattura Semplice')""")
                query.exec_("""INSERT INTO tipofatt
                            VALUES (NULL,'Fattura Accompagnatoria')""")
                query.exec_("""INSERT INTO tipofatt
                            VALUES (NULL,'Nota Accredito')""")


        if not ("fattmaster" in self.db.tables()):
            if not query.exec_("""CREATE TABLE fattmaster (
                        id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL,
                        data DATE NOT NULL,
                        doc VARCHAR(50) NOT NULL,
                        idtdoc INTEGER NOT NULL,
                        idcli INTEGER NOT NULL,
                        tpag VARCHAR(50) NOT NULL DEFAULT 'Contanti',
                        causale VARCHAR(200),
                        note VARCHAR(200))"""):
                QMessageBox.warning(self, "Gestione Fatture",
                                QString("Creazione tabella master fallita!"))
                return False

        if not ("fattslave" in self.db.tables()):
            if not query.exec_("""CREATE TABLE fattslave (
                                id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL,
                                qt INTEGER NOT NULL DEFAULT '1',
                                desc VARCHAR(200) NOT NULL,
                                imp DOUBLE NOT NULL DEFAULT '0.0',
                                iva DOUBLE NOT NULL DEFAULT '20.0',
                                mmid INTEGER NOT NULL,
                                FOREIGN KEY (mmid) REFERENCES master)"""):
                QMessageBox.warning(self, "Gestione Fatture",
                                QString("Creazione tabella slave fallita!"))
                return False
            QMessageBox.information(self, "Gestione Fatture",
                                QString("Database Creato!"))
            return True


        if not ("clienti" in self.db.tables()):
            if not query.exec_("""CREATE TABLE clienti (
                                id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL,
                                ragsoc VARCHAR(200) NOT NULL,
                                indirizzo VARCHAR(200) NOT NULL,
                                piva VARCHAR(15),
                                cf VARCHAR(15),
                                tel VARCHAR(30),
                                fax VARCHAR(30),
                                cell VARCHAR(30),
                                email VARCHAR(50))"""):
                QMessageBox.warning(self, "Gestione Fatture",
                                QString("Creazione tabella clienti fallita!"))
                return False
        return True

    def loadFile(self, fname=None):
        if fname is None:
            return
        if self.db.isOpen():
            self.db.close()
        self.db.setDatabaseName(QString(fname))
        if not self.db.open():
            QMessageBox.warning(self, "Gestione Fatture",
                                QString("Database Error: %1")
                                .arg(db.lastError().text()))
        else:
            if not self.creaStrutturaDB():
                return
            self.filename = unicode(fname)
            self.setWindowTitle("Gestione Fatture - %s" % self.filename)
            self.setupModels()
            self.setupMappers()
            self.setupTables()
            #self.setupItmSignals()
            self.restoreTablesSettings()
            self.mmUpdate()


    def loadInitialFile(self):
        settings = QSettings()
        fname = unicode(settings.value("Settings/lastFile").toString())
        if fname and QFile.exists(fname):
            self.loadFile(fname)


    def openFile(self):
        dir = os.path.dirname(self.filename) \
                if self.filename is not None else "."
        fname = QFileDialog.getOpenFileName(self,
                    "Gestione Fatture - Scegli database",
                    dir, "*.db")
        if fname:
            self.loadFile(fname)


    def newFile(self):
        dir = os.path.dirname(self.filename) \
                if self.filename is not None else "."
        fname = QFileDialog.getSaveFileName(self,
                    "Gestione Fatture - Scegli database",
                    dir, "*.db")
        if fname:
            self.loadFile(fname)

    def restoreWinSettings(self):
        settings = QSettings()
        self.restoreGeometry(
                settings.value("MainWindow/Geometry").toByteArray())

    def restoreTablesSettings(self):
        settings = QSettings(self)
        # per la tablelview
        for column in range(1, self.sModel.columnCount()-1):
            width = settings.value("Settings/sTableView/%s" % column,
                                    QVariant(60)).toInt()[0]
            self.sTableView.setColumnWidth(column,
                                        width if width > 0 else 60)

    def keyPressEvent(self, event):
        if event.key() == Qt.Key_Down:
            self.addDettRecord()
        else:
            QMainWindow.keyPressEvent(self, event)

    def closeEvent(self, event):
        self.mapper.submit()
        settings = QSettings()
        settings.setValue("MainWindow/Geometry", QVariant(
                          self.saveGeometry()))
        if self.filename is not None:
            settings.setValue("Settings/lastFile", QVariant(self.filename))
        if self.db.isOpen():
            # salva larghezza colonne tabella
            for column in range(1, self.sModel.columnCount()-1):
                width = self.sTableView.columnWidth(column)
                if width:
                    settings.setValue("Settings/sTableView/%s" % column,
                                        QVariant(width))
            self.db.close()
            del self.db

    def setupModels(self):
        """
            Initialize all the application models
        """
        # setup slaveModel
        self.sModel = MyQSqlTableModel(self)
        self.sModel.setTable(QString("fattslave"))
        self.sModel.setHeaderData(SID, Qt.Horizontal, QVariant("ID"))
        self.sModel.setHeaderData(SQT, Qt.Horizontal, QVariant("Qt"))
        self.sModel.setHeaderData(SDESC, Qt.Horizontal, QVariant("Descrizione"))
        self.sModel.setHeaderData(SIMP, Qt.Horizontal, QVariant("Importo"))
        self.sModel.setHeaderData(SIVA, Qt.Horizontal, QVariant("Iva"))
        self.sModel.setHeaderData(SMID, Qt.Horizontal, QVariant("idlegato"))
        self.sModel.setEditStrategy(QSqlTableModel.OnRowChange)
        self.sModel.select()

        # setup masterModel
        self.mModel = QSqlRelationalTableModel(self)
        self.mModel.setTable(QString("fattmaster"))
        self.mModel.setSort(MDATA, Qt.AscendingOrder)
        self.mModel.setRelation(MIDCLI, QSqlRelation("clienti",
                                            "id", "ragsoc"))
        self.mModel.setRelation(MIDTDOC, QSqlRelation("tipofatt",
                                            "id", "tfatt"))
        self.mModel.select()

    def setupMappers(self):
        '''
            Initialize all the application mappers
        '''
        self.mapper = QDataWidgetMapper(self)
        self.mapper.setSubmitPolicy(QDataWidgetMapper.ManualSubmit)
        self.mapper.setModel(self.mModel)
        self.mapper.setItemDelegate(QSqlRelationalDelegate(self))
        self.mapper.addMapping(self.dateEdit, MDATA)
        self.mapper.addMapping(self.fattLineEdit, MDOC)

        relationModel = self.mModel.relationModel(MIDTDOC)
        relationModel.setSort(1, Qt.AscendingOrder)
        relationModel.select()
        self.tipoFattComboBox.setModel(relationModel)
        self.tipoFattComboBox.setModelColumn(relationModel.fieldIndex("tfatt"))
        self.mapper.addMapping(self.tipoFattComboBox, MIDTDOC)

        relationModel = self.mModel.relationModel(MIDCLI)
        relationModel.setSort(CRAGSOC, Qt.AscendingOrder)
        relationModel.select()
        self.cliComboBox.setModel(relationModel)
        self.cliComboBox.setModelColumn(relationModel.fieldIndex("ragsoc"))
        self.mapper.addMapping(self.cliComboBox, MIDCLI)

        self.mapper.addMapping(self.tipoPagLineEdit, MPAG)
        self.mapper.addMapping(self.cauLineEdit, MCAU)
        self.mapper.addMapping(self.noteLineEdit, MNOTE)
        self.mapper.toFirst()

    def setupTables(self):
        """
            Initialize all the application tablesview
        """
        self.sTableView.setModel(self.sModel)
        self.sTableView.setColumnHidden(SID, True)
        self.sTableView.setColumnHidden(SMID, True)
        self.sTableView.setWordWrap(True)
        self.sTableView.resizeRowsToContents()
        self.sTableView.setAlternatingRowColors(True)
        self.sItmSelModel = QItemSelectionModel(self.sModel)
        self.sTableView.setSelectionModel(self.sItmSelModel)
        self.sTableView.setSelectionBehavior(QTableView.SelectRows)
        self.sTableView.setTabKeyNavigation(False)
        self.myDelegate = MyQSqlRelationalDelegate(self)
        self.sTableView.setItemDelegate(self.myDelegate)
        self.connect(self.myDelegate, SIGNAL("addDettRecord()"),
            self.addDettRecord)

    def setupUiSignals(self):
        self.connect(self.printPushButton, SIGNAL("clicked()"),
                    self.printFatt)
        self.connect(self.addMPushButton, SIGNAL("clicked()"),
                    self.addDdtRecord)
        self.connect(self.delMPushButton, SIGNAL("clicked()"),
                    self.delDdtRecord)
        self.connect(self.addSPushButton, SIGNAL("clicked()"),
                    self.addDettRecord)
        self.connect(self.delSPushButton, SIGNAL("clicked()"),
                    self.delDettRecord)
        self.connect(self.firstMPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.FIRST))
        self.connect(self.prevMPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.PREV))
        self.connect(self.nextMPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.NEXT))
        self.connect(self.lastMPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.LAST))

    def saveRecord(self, where):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mapper.currentIndex()
        self.mapper.submit()
        self.sModel.revertAll()
        if where == MainWindow.FIRST:
            row=0
        elif where == MainWindow.PREV:
            row = 0 if row <= 1 else row - 1
        elif where == MainWindow.NEXT:
            row += 1
            if row >= self.mModel.rowCount():
                row = self.mModel.rowCount() -1
        elif where == MainWindow.LAST:
            row = self.mModel.rowCount()- 1
        self.mapper.setCurrentIndex(row)
        self.mmUpdate()

    def printFatt(self):
        '''
            Print Inventory
        '''
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return

        def makeFATT(copia="Copia Cliente"):
            qmaster = QSqlQuery()
            qcli = QSqlQuery()
            qslave = QSqlQuery()

            curidx = self.mapper.currentIndex()
            currec = self.mModel.record(curidx)
            masterid = currec.value("id").toInt()[0]

            qmaster.exec_("SELECT id,data,doc,idtdoc,idcli,causale,note "
                        "FROM fattmaster WHERE doc = '%s'" % (currec.value("doc").toString()))
            qmaster.next()
            curcli = qmaster.value(4).toInt()[0]
            qcli.exec_("SELECT id,ragsoc,indirizzo,piva "
                        "FROM clienti WHERE id = %d" % (curcli))
            qslave.exec_("SELECT mmid,qt,desc,imp,iva "
                            "FROM fattslave WHERE mmid = '%s'" % (masterid))

            qcli.next()
            # variabili utili alla stampa del report
            datadoc = currec.value("data").toDate().toString(DATEFORMAT)
            causaledoc = currec.value("causale").toString()
            notedoc = currec.value("note").toString()
            tipodoc = currec.value(3).toString()
            numdoc = currec.value("doc").toString()
            cliragsoc = qcli.value(1).toString()
            cliind = qcli.value(2).toString()
            clipiva = qcli.value(3).toString()

            from reportlab.pdfgen.canvas import Canvas
            from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
            from reportlab.lib.units import cm
            from reportlab.lib.enums import TA_LEFT,TA_RIGHT,TA_CENTER
            from reportlab.platypus import Spacer, SimpleDocTemplate, Table, TableStyle, Paragraph, KeepTogether
            from reportlab.rl_config import defaultPageSize
            from reportlab.lib import colors
            from reportlab.lib.pagesizes import letter, A4
            from reportlab.lib import textsplit

            PAGE_WIDTH, PAGE_HEIGHT=defaultPageSize
            styles = getSampleStyleSheet()
            styleN = styles['Normal']
            styleH = styles['Heading1']
            styleH.alignment=TA_CENTER
            Elements = []
            #add some flowables
            p=Paragraph
            ps=ParagraphStyle

            Author = "Stefano Zamprogno"
            URL = "http://www.zamprogno.it/"
            email = "*****@*****.**"

            pageinfo = "%s / %s" % (Author, email)

            def myLaterPages(c, doc):
                c.saveState()
                c.setFont("Times-Bold", 82)
                c.rotate(45)
                c.setFillColorRGB(0.9,0.9,0.9)
                c.drawString(11*cm,2*cm, copia)
                c.rotate(-45)
                c.setFillColorRGB(0,0,0)
                # HEADER
                if tipodoc == "Fattura Accompagnatoria":
                    subt = 0
                else:
                    subt = 3
                c.setLineWidth(0.1*cm)
                c.setStrokeColorRGB(0,0,0)
                c.line(1.8*cm,(6.2-subt)*cm,19.5*cm,(6.2-subt)*cm)
                c.setStrokeColorRGB(0.5,0.5,0.5)
                c.line(1.9*cm,(6.1-subt)*cm,19.6*cm,(6.1-subt)*cm)
                # cerchi carta
                c.circle(0.9*cm,6*cm,0.3*cm, fill=1)
                c.circle(0.9*cm,24*cm,0.3*cm, fill=1)
                c.setFont("Times-Bold", 14)
                c.drawCentredString(5*cm, 28*cm, r1)
                c.setFont("Times-Bold", 9)
                c.drawCentredString(5*cm, 27.5*cm, r2)
                c.drawCentredString(5*cm, 27*cm, r3)
                c.drawCentredString(5*cm, 26.5*cm, r4)
                c.drawCentredString(5*cm, 26*cm, r5)
                # numero ddt e descrizione copia
                c.setFont("Times-Bold", 12)
                c.drawCentredString(18*cm, 28*cm, "DOC N: %s" % (numdoc))
                c.setFont("Times-Bold", 7)
                c.drawCentredString(18*cm, 27.6*cm, "(%s)" % (copia))
                c.drawCentredString(18*cm, 27.2*cm, "%s" % (tipodoc.toUpper()))
                # Data e causale
                c.setFont("Times-Bold", 10)
                c.drawString(1.8*cm, 25*cm, "Data:")
                c.drawString(1.8*cm, 24.5*cm, "Causale:")
                c.setFont("Times-Roman", 10)
                c.drawString(4*cm, 25*cm, unicode(datadoc))
                c.drawString(4*cm, 24.5*cm, unicode(causaledoc))
                # Cliente
                c.setFont("Times-Bold", 10)
                c.drawString(11*cm, 25*cm, "Destinatario:")
                c.setFont("Times-Roman", 10)
                c.drawCentredString(16*cm, 25*cm, unicode(cliragsoc))
                c.drawCentredString(16*cm, 24.5*cm, unicode(cliind))
                c.drawCentredString(16*cm, 24*cm, unicode(clipiva))
                # FOOTER
                c.setFont("Times-Bold", 10)
                c.setLineWidth(0.01*cm)
                c.drawString(1.8*cm, (5.5-subt)*cm, "Note:")
                c.setFont("Times-Roman", 10)
                strt = (5.5-subt)*cm
                for i in textsplit.wordSplit(unicode(notedoc),6*cm,
                                            "Times-Roman", 10):
                    c.drawString(3*cm, strt, i[1])
                    strt -= 0.5*cm
                if tipodoc == "Fattura Accompagnatoria":
                    c.setFont("Times-Bold", 10)
                    c.drawString(12*cm, 5.5*cm, "Data inizio trasporto:")
                    c.line(15.5*cm,5.4*cm,19*cm,5.4*cm)
                    c.drawString(12*cm, 5*cm, "Aspetto dei beni:")
                    c.line(15*cm,4.9*cm,19*cm,4.9*cm)
                    c.drawString(12*cm, 4.5*cm, "Numero colli:")
                    c.line(15*cm,4.4*cm,19*cm,4.4*cm)
                    c.drawString(12*cm, 3.8*cm, "Conducente:")
                    c.line(15*cm,3.7*cm,19*cm,3.7*cm)
                    c.drawString(12*cm, 3*cm, "Destinatario:")
                    c.line(15*cm,2.9*cm,19*cm,2.9*cm)
                    c.drawString(1.8*cm, 4*cm, "Trasporto a Mezzo:")
                    c.line(2.3*cm,3*cm,7*cm,3*cm)
                # note pie' pagina
                c.setFont('Times-Roman',9)
                c.drawString(12.4*cm, 1.5*cm, "Pagina %d %s" % (doc.page, pageinfo))
                c.restoreState()

            # crea il body del ddt
            data = [['Qt', 'Descrizione dei beni, natura e qualità',
                     'Importo', 'IVA'],]

            totimp = 0
            totiva = 0
            totesiva = 0
            while qslave.next():
                if qslave.value(4).toDouble()[0]!= 0:
                    totimp += qslave.value(3).toDouble()[0]
                    totiva += (qslave.value(3).toDouble()[0]*
                                qslave.value(4).toDouble()[0] / 100.0)
                else:
                    totesiva += qslave.value(3).toDouble()[0]

                data.append([qslave.value(1).toInt()[0],
                            p(unicode(qslave.value(2).toString()),
                                ps(name='Normal')),
                            "€ %.2f" % qslave.value(3).toDouble()[0],
                            "%.2f %%" % qslave.value(4).toDouble()[0]])

            Elements.append(Table(data,colWidths=(1*cm,12.5*cm,2*cm,2*cm),repeatRows=1,
                                style=(
                                        ['LINEBELOW', (0,0), (-1,0),
                                            1, colors.black],
                                        ['BACKGROUND',(0,0),(-1,0),
                                            colors.lightgrey],
                                        ['GRID',(0,0),(-1,-1), 0.2,
                                            colors.black],
                                        ['FONT', (0, 0), (-1, 0),
                                            'Helvetica-Bold', 10],
                                        ['VALIGN', (0,0), (-1,-1), 'TOP'],
                                        ['ALIGN', (0,0), (-1,0), 'CENTER'],
                                        ['ALIGN', (2,1), (3,-1), 'RIGHT'],

                                )))

            summary = []
            summary.append(Spacer(0.5*cm, 0.5*cm))
            summary.append(Paragraph("<para align=right><b>___________________________________"
                            "</b></para>", styleN))
            summary.append(Paragraph("<para align=right><b>TOTALE IMPONIBILE: "
                            "€ %.2f</b></para>" % totimp, styleN))
            summary.append(Paragraph("<para align=right><b>TOTALE IVA: "
                            "€ %.2f</b></para>" % totiva, styleN))
            summary.append(Paragraph("<para align=right><b>TOTALE Es.IVA: "
                            "€ %.2f</b></para>" % totesiva, styleN))
            summary.append(Spacer(0.5*cm, 0.5*cm))
            summary.append(Paragraph("<para align=right><b>TOTALE GENERALE: "
                            "€ %.2f</b></para>" % (totesiva+totimp+totiva), styleN))
            Elements.append(KeepTogether(summary))

            # 'depure' numddt
            numdoc = numdoc.replace("/",".")
            if tipodoc == "Fattura Accompagnatoria":
                doc = SimpleDocTemplate(os.path.join(os.path.dirname(__file__),
                                "fatt%s.%s.pdf" % (numdoc, copia.replace(" ","."))),topMargin=6.2*cm, bottomMargin=6.2*cm)
            else:
                doc = SimpleDocTemplate(os.path.join(os.path.dirname(__file__),
                                "fatt%s.%s.pdf" % (numdoc, copia.replace(" ","."))),topMargin=6.2*cm, bottomMargin=3*cm)

            doc.build(Elements,onFirstPage=myLaterPages,onLaterPages=myLaterPages)

            subprocess.Popen(['gnome-open',os.path.join(os.path.dirname(__file__),
                            "fatt%s.%s.pdf" % (numdoc, copia.replace(" ",".")))])

        if self.copiaCliCheckBox.isChecked():
            makeFATT()
        if self.copiaIntCheckBox.isChecked():
            makeFATT(copia="Copia Interna")
        if self.copiaVettCheckBox.isChecked():
            makeFATT(copia="Copia Vettore")
class MainWindow(QMainWindow, magazzino_ui.Ui_MainWindow):

    FIRST, PREV, NEXT, LAST = range(4)
    Clipboard = [] # lista di oggetti

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)

        self.setupUi(self)
        self.setupMenu()
        self.restoreWinSettings()

        self.editindex = None
        self.filename = None
        self.db = QSqlDatabase.addDatabase("QSQLITE")

        self.loadInitialFile()
        self.setupUiSignals()

    def keyPressEvent(self, event):
        if event.key() == Qt.Key_Down:
            self.addDettRecord()
        else:
            QMainWindow.keyPressEvent(self, event)

    def creaStrutturaDB(self):
        query = QSqlQuery()
        if not ("magamaster" in self.db.tables()):
            if not query.exec_("""CREATE TABLE magamaster (
                                id INTEGER PRIMARY KEY AUTOINCREMENT 
                                UNIQUE NOT NULL,
                                scaff VARCHAR(10) NOT NULL)"""):
                QMessageBox.warning(self, "Magazzino",
                                QString("Creazione tabella fallita!"))
                return False

        if not ("magaslave" in self.db.tables()):
            if not query.exec_("""CREATE TABLE magaslave (
                                id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL,
                                datains DATE NOT NULL,
                                abbi VARCHAR(50),
                                angro VARCHAR(50),
                                desc VARCHAR(100),
                                qt INTEGER NOT NULL DEFAULT '1',
                                imp DOUBLE NOT NULL DEFAULT '0.0',
                                equiv VARCHAR(100),
                                mmid INTEGER NOT NULL,
                                fatt VARCHAR(50),
                                note VARCHAR(200),
                                FOREIGN KEY (mmid) REFERENCES magamaster)"""):
                QMessageBox.warning(self, "Magazzino",
                                QString("Creazione tabella fallita!"))
                return False
            QMessageBox.information(self, "Magazzino",
                                QString("Database Creato!"))

        return True

    def loadFile(self, fname=None):
        if fname is None:
            return
        if self.db.isOpen():
            self.db.close()
        self.db.setDatabaseName(QString(fname))
        if not self.db.open():
            QMessageBox.warning(self, "Magazzino",
                                QString("Database Error: %1")
                                .arg(self.db.lastError().text()))
        else:
            if not self.creaStrutturaDB():
                return
            self.filename = unicode(fname)
            self.setWindowTitle("Gestione Magazzino - %s" % self.filename)
            self.setupModels()
            self.setupMappers()
            self.setupTables()
            #self.setupItmSignals()
            self.restoreTablesSettings()
            self.mmUpdate()


    def loadInitialFile(self):
        settings = QSettings()
        fname = unicode(settings.value("Settings/lastFile").toString())
        if fname and QFile.exists(fname):
            self.loadFile(fname)


    def openFile(self):
        dir = os.path.dirname(self.filename) \
                if self.filename is not None else "."
        fname = QFileDialog.getOpenFileName(self,
                    "Gestione Magazzino - Scegli database",
                    dir, "*.db")
        if fname:
            self.loadFile(fname)


    def newFile(self):
        dir = os.path.dirname(self.filename) \
                if self.filename is not None else "."
        fname = QFileDialog.getSaveFileName(self,
                    "Gestione Magazzino - Scegli database",
                    dir, "*.db")
        if fname:
            self.loadFile(fname)

    def setupMenu(self):
        # AboutBox
        self.connect(self.actionA_bout, SIGNAL("triggered()"),
                    self.showAboutBox)
        # FileNew
        self.connect(self.action_New_File, SIGNAL("triggered()"),
                    self.newFile)

        # FileLoad
        self.connect(self.action_Load_File, SIGNAL("triggered()"),
                    self.openFile)


    def showAboutBox(self):
        dlg = aboutmaga.AboutBox(self)
        dlg.exec_()


    def printInventory(self):
        '''
            Print Inventory
        '''
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        querygrp = QSqlQuery()
        querydett = QSqlQuery()

        querygrp.exec_("SELECT abbi,qt,imp,sum(qt*imp) "
                    "FROM magaslave GROUP BY abbi")
        querydett.prepare("SELECT datains,abbi,angro,desc,qt,imp "
                        "FROM magaslave WHERE abbi = :abbi AND "
                        "qt > 0 ORDER BY datains")

        from reportlab.pdfgen.canvas import Canvas
        from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
        from reportlab.lib.units import cm
        from reportlab.lib.enums import TA_LEFT,TA_RIGHT,TA_CENTER
        from reportlab.platypus import Spacer, SimpleDocTemplate 
        from reportlab.platypus import Table, TableStyle, Paragraph
        from reportlab.rl_config import defaultPageSize
        from reportlab.lib import colors

        PAGE_WIDTH, PAGE_HEIGHT=defaultPageSize
        styles = getSampleStyleSheet()
        styleN = styles['Normal']
        styleH = styles['Heading1']
        styleH.alignment=TA_CENTER
        Elements = []
        #add some flowables
        p=Paragraph
        ps=ParagraphStyle

        Title = unicode(self.prtTitleLineEdit.text())
        Year = unicode(self.prtDateLineEdit.text())
        Author = "Stefano Zamprogno"
        URL = "http://www.zamprogno.it/"
        email = "*****@*****.**"

        pageinfo = "%s / %s / %s" % (Author, email, Title)

        def myFirstPage(canvas, doc):
            canvas.saveState()
            canvas.setStrokeColorRGB(0.50,0.50,0.50)
            canvas.setLineWidth(10)
            canvas.line(45,72,45,PAGE_HEIGHT-72)
            #canvas.setFont('Times-Bold',16)
            #canvas.drawCentredString(3*cm, 1.5*cm,Title)
            canvas.setFont('Times-Roman',9)
            canvas.drawString(3*cm, 1.5*cm, "First Page / %s" % pageinfo)
            canvas.restoreState()

        def myLaterPages(canvas, doc):
            canvas.saveState()
            canvas.setStrokeColorRGB(0.50,0.50,0.50)
            canvas.setLineWidth(5)
            canvas.line(45,72,45,PAGE_HEIGHT-72)
            canvas.setFont('Times-Roman',9)
            canvas.drawString(3*cm, 1.5*cm, "Page %d %s" % (doc.page, pageinfo))
            canvas.restoreState()

        Elements.append(Paragraph(Title, styleH))
        Elements.append(Paragraph(Year,styleN))
        Elements.append(Spacer(0.5*cm, 0.5*cm))

        tot=0
        while querygrp.next():
            tot += querygrp.value(3).toDouble()[0]
            querydett.bindValue(":abbi", QVariant(querygrp.value(0).toString()))
            querydett.exec_()
            data = [['Abbi', 'Angro', 'Descrizione', 'Qt', 'Imp'],]
            while querydett.next():
                data.append([ p(unicode(querydett.value(1).toString()),
                                                ps(name='Normal')),
                                p(unicode(querydett.value(2).toString()),
                                                ps(name='Normal')),
                                p(unicode(querydett.value(3).toString()),
                                                ps(name='Normal')),
                                querydett.value(4).toInt()[0],
                                unicode("%.2f" %
                                        querydett.value(5).toDouble()[0])])
            data.append([None, None,
                        unicode("GRUPPO '%s'" % querygrp.value(0).toString()),
                        unicode("Subtotale:"),
                        unicode("€ %.2f" % querygrp.value(3).toDouble()[0])])
            Elements.append(Table(data,repeatRows=1,
                                style=(['LINEBELOW', (3,-2), (-1,-2),
                                            1, colors.black],
                                        ['LINEBELOW', (0,0), (-1,0),
                                            1, colors.black],
                                        ['ALIGN', (1,0), (3,-1),'CENTER'],
                                        ['ALIGN', (4,0), (-1,0),'RIGHT'],
                                        ['VALIGN', (0,0), (-1,-1), 'TOP'],
                                        ['ALIGN', (4,0), (-1,-1), 'RIGHT'],
#                                        ['TEXTCOLOR', (0,0), (-1,0),
#                                                colors.red],
                                        ['BACKGROUND',(0,0),(-1,0),
                                                colors.lightgrey],
                                        ['GRID',(0,0),(-1,-1), 0.2,
                                                colors.black],
                                        ['FONT', (0, 0), (-1, 0),
                                                'Helvetica-Bold', 10],
                                        ['FONT', (3, -1), (3, -1),
                                                'Helvetica-Bold', 10])))
            Elements.append(Spacer(0.5*cm, 0.5*cm))

        Elements.append(Paragraph("<para align=right><b>TOTALE GENERALE:"
                                    "€ %.2f</b></para>" % tot, styleN))

        doc = SimpleDocTemplate(os.path.join(os.path.dirname(__file__),
                        'mydoc.pdf'))
        doc.build(Elements,onFirstPage=myFirstPage, onLaterPages=myLaterPages)

        subprocess.Popen(['gnome-open',os.path.join(os.path.dirname(__file__),
                        'mydoc.pdf')])

    def setupMappers(self):
        '''
            Initialize all the application mappers
        '''
        self.mapper = QDataWidgetMapper(self)
        self.mapper.setModel(self.mModel)
        self.mapper.addMapping(self.scaffLineEdit, SCAFF)
        self.mapper.setSubmitPolicy(QDataWidgetMapper.ManualSubmit)
        self.mapper.toFirst()

    def setupTables(self):
        """
            Initialize all the application tablesview
        """
        self.sTableView.setModel(self.sModel)
        self.sTableView.setItemDelegate(MSDelegate(self))
        self.sTableView.setColumnHidden(ID, True)
        self.sTableView.setColumnHidden(MMID, True)
        self.sTableView.setWordWrap(True)
        self.sTableView.resizeRowsToContents()
        self.sTableView.setAlternatingRowColors(True)
        self.sItmSelModel = QItemSelectionModel(self.sModel)
        self.sTableView.setSelectionModel(self.sItmSelModel)
        self.sTableView.setSelectionBehavior(QTableView.SelectRows)
        #self.sTableView.setTabKeyNavigation(True)


        self.fTableView.setModel(self.fModel)
        self.fTableView.setColumnHidden(ID, True)
        self.fTableView.setWordWrap(True)
        self.fTableView.resizeRowsToContents()
        self.fTableView.setAlternatingRowColors(True)
        self.fItmSelModel = QItemSelectionModel(self.fModel)
        self.fTableView.setSelectionModel(self.fItmSelModel)

    def setupModels(self):
        """
            Initialize all the application models
        """
        # setup slaveModel
        self.sModel = ssModel(self)
        self.sModel.setTable(QString("magaslave"))
        self.sModel.setHeaderData(ID, Qt.Horizontal, QVariant("ID"))
        self.sModel.setHeaderData(DATAINS, Qt.Horizontal, QVariant("DataIns"))
        self.sModel.setHeaderData(ABBI, Qt.Horizontal, QVariant("Abbi"))
        self.sModel.setHeaderData(ANGRO, Qt.Horizontal, QVariant("Angro"))
        self.sModel.setHeaderData(DESC, Qt.Horizontal, QVariant("Desc"))
        self.sModel.setHeaderData(QT, Qt.Horizontal, QVariant("Qt"))
        self.sModel.setHeaderData(IMP, Qt.Horizontal, QVariant("Imp"))
        self.sModel.setHeaderData(EQUIV, Qt.Horizontal, QVariant("Equiv"))
        self.sModel.setHeaderData(MMID, Qt.Horizontal, QVariant("ScaffId"))
        self.sModel.setHeaderData(FATT, Qt.Horizontal, QVariant("Fatt"))
        self.sModel.setHeaderData(NOTE, Qt.Horizontal, QVariant("Note"))
        self.sModel.setSort(DATAINS, Qt.AscendingOrder)
        self.sModel.setEditStrategy(QSqlTableModel.OnRowChange)
        self.sModel.select()

        # setup masterModel
        self.mModel = QSqlTableModel(self)
        self.mModel.setTable(QString("magamaster"))
        self.mModel.setSort(SCAFF, Qt.AscendingOrder)
        self.mModel.setHeaderData(ID, Qt.Horizontal, QVariant("ID"))
        self.mModel.setHeaderData(SCAFF, Qt.Horizontal, QVariant("Scaff"))
        self.mModel.select()

        # setup findModel
        self.fModel = QSqlRelationalTableModel(self)
        self.fModel.setTable(QString("magaslave"))
        self.fModel.setHeaderData(ID, Qt.Horizontal, QVariant("ID"))
        self.fModel.setHeaderData(DATAINS, Qt.Horizontal, QVariant("DataIns"))
        self.fModel.setHeaderData(ABBI, Qt.Horizontal, QVariant("Abbi"))
        self.fModel.setHeaderData(ANGRO, Qt.Horizontal, QVariant("Angro"))
        self.fModel.setHeaderData(DESC, Qt.Horizontal, QVariant("Desc"))
        self.fModel.setHeaderData(QT, Qt.Horizontal, QVariant("Qt"))
        self.fModel.setHeaderData(IMP, Qt.Horizontal, QVariant("Imp"))
        self.fModel.setHeaderData(EQUIV, Qt.Horizontal, QVariant("Equiv"))
        self.fModel.setHeaderData(MMID, Qt.Horizontal, QVariant("ScaffId"))
        self.fModel.setHeaderData(FATT, Qt.Horizontal, QVariant("Fatt"))
        self.fModel.setHeaderData(NOTE, Qt.Horizontal, QVariant("Note"))
        self.fModel.setSort(MMID, Qt.AscendingOrder)
        self.fModel.setRelation(MMID, QSqlRelation("magamaster",
                                            "id", "scaff"))
        self.fModel.select()

    def clipCopy(self):
        self.Clipboard = self.sTableView.selectedIndexes()
        selrows = self.sItmSelModel.selectedRows()
        # TODO : da usare:  selrows = self.sItmSelModel.selectedRows()
        print(selrows, len(selrows))
        print(len(self.Clipboard))
        # FIXME : bla bla bla

    def clipDel(self):
        self.delDettRecord()

    def clipPaste(self):
        pass

    def ctxtMenu(self, point):
        menu = QMenu(self)
        copyAction = menu.addAction("&Copy")
        self.connect(copyAction, SIGNAL("triggered()"), self.clipCopy)
        delAction = menu.addAction("&Del")
        self.connect(delAction, SIGNAL("triggered()"), self.clipDel)
        if len(self.Clipboard) > 0:
            pasteAction = menu.addAction("&Paste")
            self.connect(pasteAction, SIGNAL("triggered()"), self.clipPaste)

        menu.exec_(self.sTableView.mapToGlobal(point))


    def setupUiSignals(self):
        self.sTableView.setContextMenuPolicy(Qt.CustomContextMenu)
        self.connect(self.sTableView,  SIGNAL(
                        "customContextMenuRequested(const QPoint &)"),
                        self.ctxtMenu)
        self.connect(self.scaffLineEdit, SIGNAL("returnPressed()"),
                    lambda: self.saveRecord(MainWindow.FIRST))
        self.connect(self.findLineEdit, SIGNAL("returnPressed()"),
                    self.globalFilter)
        self.connect(self.printPushButton, SIGNAL("clicked()"),
                    self.printInventory)
        self.connect(self.createFilterPushButton, SIGNAL("clicked()"),
                    self.createFilter)
        self.connect(self.findPushButton, SIGNAL("clicked()"),
                    self.applyFilter)
        self.connect(self.gSearchPushButton, SIGNAL("clicked()"),
                    self.globalFilter)
        self.connect(self.addscaffPushButton, SIGNAL("clicked()"),
                    self.addScaffRecord)
        self.connect(self.adddettPushButton, SIGNAL("clicked()"),
                    self.addDettRecord)
        self.connect(self.deldettPushButton, SIGNAL("clicked()"),
                    self.delDettRecord)
        self.connect(self.delscaffPushButton, SIGNAL("clicked()"),
                    self.delScaffRecord)
        self.connect(self.scaffFirstPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.FIRST))
        self.connect(self.scaffPrevPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.PREV))
        self.connect(self.scaffNextPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.NEXT))
        self.connect(self.scaffLastPushButton, SIGNAL("clicked()"),
                    lambda: self.saveRecord(MainWindow.LAST))


    def globalFilter(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        txt = self.findLineEdit.text()
        qry =   ("(datains like '%s') OR "
                "(abbi like '%s') OR "
                "(angro like '%s') OR "
                "(desc like '%s') OR "
                "(equiv like '%s') OR"
                "(fatt like '%s') OR"
                "(note like '%s')") % ((txt,)*7)
        self.fModel.setFilter(qry)
        self.updateFilter()

    def updateFilter(self):
        self.fModel.select()
        self.fTableView.setColumnHidden(ID, True)

    def applyFilter(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        self.fModel.setFilter(self.findLineEdit.text())
        self.updateFilter()

    def createFilter(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        headerDef = ("datains VARCHAR(100)",
                            "abbi VARCHAR(100)",
                            "angro VARCHAR(100)",
                            "desc VARCHAR(100)",
                            "qt VARCHAR(100)",
                            "imp VARCHAR(100)",
                            "equiv VARCHAR(100)",
                            "fatt VARCHAR(100)",
                            "note VARCHAR(100)")
        dlg = filterdialog.FilterDialog(headerDef,
                        QSqlDatabase.database(), self)
        if(dlg.exec_()):
            self.findLineEdit.setText(dlg.filterDone() 
                                        if dlg.filterDone() else "")
            self.applyFilter()

    #~ def editEsc(self, idxcur, idxold):
        #~ if self.editindex and self.editindex.isValid():
            #~ if idxcur.row() != self.editindex.row():
                #~ self.sModel.revertAll()
                #~ self.editindex = None

    def mmUpdate(self):
        row = self.mapper.currentIndex()
        id = self.mModel.data(self.mModel.index(row,ID)).toString()
        self.sModel.setFilter("mmid=%s" % id)
        self.sModel.select()
        self.sTableView.setColumnHidden(ID, True)
        self.sTableView.setColumnHidden(MMID, True)

    def saveRecord(self, where):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mapper.currentIndex()
        self.mapper.submit()
        self.sModel.revertAll()
        if where == MainWindow.FIRST:
            row=0
        elif where == MainWindow.PREV:
            row = 0 if row <= 1 else row - 1
        elif where == MainWindow.NEXT:
            row += 1
            if row >= self.mModel.rowCount():
                row = self.mModel.rowCount() -1
        elif where == MainWindow.LAST:
            row = self.mModel.rowCount()- 1
        self.mapper.setCurrentIndex(row)
        self.mmUpdate()

    def addScaffRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mModel.rowCount()
        self.mapper.submit()
        self.mModel.insertRow(row)
        self.mapper.setCurrentIndex(row)
        self.scaffLineEdit.setFocus()
        self.mmUpdate()

    def addDettRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        rowscaff = self.mapper.currentIndex()
        record = self.mModel.record(rowscaff)
        masterid = record.value(ID).toInt()[0]
        if masterid < 1:
            self.statusbar.showMessage(
                "Scaffale non valido o non confermato...",
                5000)
            self.scaffLineEdit.setFocus()
            return
        # aggiunge la nuova riga alla vista
        self.sModel.submitAll()
        self.sModel.select()
        row = self.sModel.rowCount()
        self.sModel.insertRow(row)
        if row > 1:
            precfatt = self.sModel.data(self.sModel.index(row-1, FATT))
        else:
            precfatt = ''
        if row > 1:
            lastData = self.sModel.data(self.sModel.index(row-1, DATAINS))
        else:
            lastData = ''
        self.sModel.setData(self.sModel.index(row, MMID),
                                                QVariant(masterid))
        self.sModel.setData(self.sModel.index(row, QT),
                                                QVariant(1))
        self.sModel.setData(self.sModel.index(row, IMP),
                                                QVariant(0.0))
        self.sModel.setData(self.sModel.index(row, FATT),
                                                QVariant(precfatt))
        self.editindex = self.sModel.index(row, DATAINS)
        self.sTableView.setCurrentIndex(self.editindex)
        self.sTableView.edit(self.editindex)

    def delDettRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        selrows = self.sItmSelModel.selectedRows()
        if not selrows:
            self.statusbar.showMessage(
                "No articles selected to delete...",
                5000)
            return
        if(QMessageBox.question(self, "Cancella Articoli",
                "Vuoi cancellare: {0} articoli?".format(len(selrows)),
                QMessageBox.Yes|QMessageBox.No) ==
                QMessageBox.No):
            return
        QSqlDatabase.database().transaction()
        query = QSqlQuery()
        query.prepare("DELETE FROM magaslave WHERE id = :val")
        for i in selrows:
            if i.isValid():
                query.bindValue(":val", QVariant(i.data().toInt()[0]))
                query.exec_()
        QSqlDatabase.database().commit()
        self.sModel.revertAll()
        self.mmUpdate()

    def delScaffRecord(self):
        if not self.db.isOpen():
            self.statusbar.showMessage(
                "Database non aperto...",
                5000)
            return
        row = self.mapper.currentIndex()
        if row == -1:
            self.statusbar.showMessage(
                        "Nulla da cancellare...",
                        5000)
            return
        record = self.mModel.record(row)
        id = record.value(ID).toInt()[0]
        scaff = record.value(SCAFF).toString()
        if(QMessageBox.question(self, "Cancella Scaffale",
                    "Vuoi cancellare lo scaffale: {0} ?".format(scaff),
                    QMessageBox.Yes|QMessageBox.No) ==
                    QMessageBox.No):
            self.statusbar.showMessage(
                        "Cancellazione scaffale annullata...",
                        5000)
            return
        # cancella scaffale
        self.mModel.removeRow(row)
        self.mModel.submitAll()
        if row + 1 >= self.mModel.rowCount():
            row = self.mModel.rowCount() - 1
        self.mapper.setCurrentIndex(row)
        if self.mModel.rowCount() == 0:
            self.scaffLineEdit.setText(QString(""))

        # cancella tutti gli articoli che si riferiscono
        # allo scaffale cancellato
        self.sModel.setFilter("mmid=%s" % id)
        self.sModel.select()
        self.sModel.removeRows(0, self.sModel.rowCount())
        self.sModel.submitAll()
        self.statusbar.showMessage(
                        "Cancellazione eseguita...",
                        5000)
        self.mmUpdate()

    def restoreTablesSettings(self):
        settings = QSettings(self)
        if self.saveTableGeometryCheckBox.isChecked():
            # per la tabella slave
            for c in range(1, self.sModel.columnCount()-1):
                width = settings.value("Settings/sTableView/%s" % c,
                                        QVariant(60)).toInt()[0]
                self.sTableView.setColumnWidth(c,
                                            width if width > 0 else 60)

            # per la tabella find
            for c in range(1, self.fModel.columnCount()):
                width = settings.value("Settings/fTableView/%s" % c,
                                        QVariant(60)).toInt()[0]
                self.fTableView.setColumnWidth(c,
                                            width if width > 0 else 60)

    def restoreWinSettings(self):
        settings = QSettings()
        self.prtTitleLineEdit.setText(QString(settings.value(
                            "Settings/printTitle", QVariant(
                            "Situazione Magazzino - TIME di Stefano Zamprogno")).toString()))
        self.prtDateLineEdit.setText(QString(settings.value(
                            "Settings/printDate", QVariant(
                            "Al 31/12/2008")).toString()))
        self.saveWinPosCheckBox.setChecked(
                settings.value("Settings/saveWinPos", QVariant(True)).toBool())
        self.saveTableGeometryCheckBox.setChecked(
                settings.value("Settings/saveTableGeometry",
                QVariant(True)).toBool())
        self.restoreGeometry(
                settings.value("MainWindow/Geometry").toByteArray())

    def closeEvent(self, event):
        settings = QSettings()
        if self.filename is not None:
            settings.setValue("Settings/lastFile", QVariant(self.filename))
        settings.setValue("MainWindow/Geometry", QVariant(
                          self.saveGeometry()))
        settings.setValue("Settings/saveWinPos", QVariant(
                          self.saveWinPosCheckBox.isChecked()))
        settings.setValue("Settings/saveTableGeometry", QVariant(
                          self.saveTableGeometryCheckBox.isChecked()))
        settings.setValue("Settings/printTitle", QVariant(
                          self.prtTitleLineEdit.text()))
        settings.setValue("Settings/printDate", QVariant(
                          self.prtDateLineEdit.text()))

        if self.db.isOpen():
            # salva larghezza colonne tabella slave
            for c in range(1, self.sModel.columnCount()-1):
                width = self.sTableView.columnWidth(c)
                if width:
                    settings.setValue("Settings/sTableView/%s" % c,
                                        QVariant(width))

            # salva larghezza colonne tabella find
            for c in range(1, self.fModel.columnCount()):
                width = self.fTableView.columnWidth(c)
                if width:
                    settings.setValue("Settings/fTableView/%s" % c,
                        QVariant(width))
        self.db.close()
        del self.db