def nextAlg(self, i):
     self.stop = False
     self.setBaseText("Processing algorithm " + str(i + 1) + "/" + str(len(self.algs)) + "...")
     self.algEx = AlgorithmExecutor(self.algs[i]);
     self.algEx.percentageChanged.connect(self.setPercentage)
     self.algEx.textChanged.connect(self.setText)
     self.algEx.error.connect(self.error)
     self.algEx.finished.connect(lambda: self.finish(i))
     self.algEx.infoSet.connect(self.setInfo)
     if ProcessingConfig.getSetting(ProcessingConfig.SHOW_DEBUG_IN_DIALOG):
         self.algEx.commandSet.connect(self.setCommand)
         self.algEx.debugInfoSet.connect(self.setDebugInfo)
         self.algEx.consoleInfoSet.connect(self.setConsoleInfo)
     self.algEx.start()
 def nextAlg(self, i):
     self.stop = False
     self.setBaseText("Processing algorithm " + str(i + 1) + "/" + str(len(self.algs)) + "...")
     self.algEx = AlgorithmExecutor(self.algs[i]);
     self.algEx.percentageChanged.connect(self.setPercentage)
     self.algEx.textChanged.connect(self.setText)
     self.algEx.error.connect(self.error)
     self.algEx.finished.connect(lambda: self.finish(i))
     self.algEx.infoSet.connect(self.setInfo)
     if ProcessingConfig.getSetting(ProcessingConfig.SHOW_DEBUG_IN_DIALOG):
         self.algEx.commandSet.connect(self.setCommand)
         self.algEx.debugInfoSet.connect(self.setDebugInfo)
         self.algEx.consoleInfoSet.connect(self.setConsoleInfo)
     self.algEx.start()
Exemple #3
0
    def runAlgorithm(algOrName, onFinish, *args):
        if isinstance(algOrName, GeoAlgorithm):
            alg = algOrName
        else:
            alg = Processing.getAlgorithm(algOrName)
        if alg == None:
            print("Error: Algorithm not found\n")
            return
        if len(args) != alg.getVisibleParametersCount() + alg.getVisibleOutputsCount():
            print ("Error: Wrong number of parameters")
            processing.alghelp(algOrName)
            return

        alg = alg.getCopy()
        if isinstance(args, dict):
            # set params by name
            for name, value in args.items():
                if alg.getParameterFromName(name).setValue(value):
                    continue;
                if alg.getOutputFromName(name).setValue(value):
                    continue;
                print ("Error: Wrong parameter value %s for parameter %s." % (value, name))
                return
        else:
            i = 0
            for param in alg.parameters:
                if not param.hidden:
                    if not param.setValue(args[i]):
                        print ("Error: Wrong parameter value: " + unicode(args[i]))
                        return
                    i = i +1

            for output in alg.outputs:
                if not output.hidden:
                    if not output.setValue(args[i]):
                        print ("Error: Wrong output value: " + unicode(args[i]))
                        return
                    i = i +1

        msg = alg.checkParameterValuesBeforeExecuting()
        if msg:
            print ("Unable to execute algorithm\n" + msg)
            return

        if not alg.checkInputCRS():
            print ("Warning: Not all input layers use the same CRS.\n" +
                   "This can cause unexpected results.")

        ProcessingLog.addToLog(ProcessingLog.LOG_ALGORITHM, alg.getAsCommand())

        # don't set the wait cursor twice, because then when you restore it
        # it will still be a wait cursor
        cursor = QApplication.overrideCursor()
        if cursor == None or cursor == 0:
            QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        elif cursor.shape() != Qt.WaitCursor:
            QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        useThreads = ProcessingConfig.getSetting(ProcessingConfig.USE_THREADS)

        #this is doing strange things, so temporarily the thread execution is disabled from the console
        useThreads = False

        if useThreads:
            algEx = AlgorithmExecutor(alg)
            progress = QProgressDialog()
            progress.setWindowTitle(alg.name)
            progress.setLabelText("Executing %s..." % alg.name)
            def finish():
                QApplication.restoreOverrideCursor()
                if onFinish is not None:
                    onFinish(alg, SilentProgress())
                progress.close()
            def error(msg):
                QApplication.restoreOverrideCursor()
                print msg
                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR, msg)
            def cancel():
                try:
                    algEx.finished.disconnect()
                    algEx.terminate()
                    QApplication.restoreOverrideCursor()
                    progress.close()
                except:
                    pass
            algEx.error.connect(error)
            algEx.finished.connect(finish)
            algEx.start()
            algEx.wait()
        else:
            progress = SilentProgress()
            ret = UnthreadedAlgorithmExecutor.runalg(alg, progress)
            if onFinish is not None and ret:
                onFinish(alg, progress)
            QApplication.restoreOverrideCursor()
        return alg
class BatchProcessingDialog(AlgorithmExecutionDialog):
    def __init__(self, alg):
        self.algs = None
        self.showAdvanced = False
        self.table = QtGui.QTableWidget(None)
        AlgorithmExecutionDialog.__init__(self, alg, self.table)
        self.setWindowModality(1)
        self.algEx = None
        self.resize(800, 500)
        self.setWindowTitle("Batch Processing - " + self.alg.name)
        for param in self.alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QtGui.QPushButton()
                self.advancedButton.setText("Show advanced parameters")
                self.advancedButton.setMaximumWidth(150)
                self.buttonBox.addButton(self.advancedButton, QtGui.QDialogButtonBox.ActionRole)
                self.advancedButton.clicked.connect(self.showAdvancedParametersClicked)
                break
        self.addRowButton = QtGui.QPushButton()
        self.addRowButton.setText("Add row")
        self.buttonBox.addButton(self.addRowButton, QtGui.QDialogButtonBox.ActionRole)
        self.deleteRowButton = QtGui.QPushButton()
        self.deleteRowButton.setText("Delete row")
        self.buttonBox.addButton(self.addRowButton, QtGui.QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.deleteRowButton, QtGui.QDialogButtonBox.ActionRole)

        self.table.setColumnCount(self.alg.getVisibleParametersCount() + self.alg.getVisibleOutputsCount() + 1)
        self.setTableContent()
        self.table.horizontalHeader().setStretchLastSection(True)
        self.table.verticalHeader().setVisible(False)
        self.table.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
        self.addRowButton.clicked.connect(self.addRow)
        self.deleteRowButton.clicked.connect(self.deleteRow)
        self.table.horizontalHeader().sectionDoubleClicked.connect(self.headerDoubleClicked)


    def headerDoubleClicked(self, col):
        widget = self.table.cellWidget(0, col)
        if isinstance(widget, QtGui.QComboBox):
            widgetValue = widget.currentIndex()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setCurrentIndex(widgetValue)
        elif isinstance(widget, ExtentSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                if widgetValue != None:
                    self.table.cellWidget(row, col).text.setText(widgetValue)
                else:
                    self.table.cellWidget(row, col).text.setText("")
        elif isinstance(widget, CrsSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setAuthid(widgetValue)
        elif isinstance(widget, FileSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)
        elif isinstance(widget, QtGui.QLineEdit):
            widgetValue = widget.text()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)
        elif isinstance(widget, BatchInputSelectionPanel):
            widgetValue = widget.getText()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)

        else:
            pass


    def setTableContent(self):
        i = 0
        for param in self.alg.parameters:
            self.table.setColumnWidth(i,250)
            self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem(param.description))
            if param.isAdvanced:
                self.table.setColumnHidden(i, not self.showAdvanced)
            i+=1
        for out in self.alg.outputs:
            self.table.setColumnWidth(i,250)
            self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem(out.description))
            i+=1

        self.table.setColumnWidth(i, 200)
        self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem("Load in QGIS"))

        for i in range(3):
            self.addRow()


    def accept(self):
        self.algs = []
        self.load = []
        for row in range(self.table.rowCount()):
            alg = self.alg.getCopy()#copy.deepcopy(self.alg)
            col = 0
            for param in alg.parameters:
                if param.hidden:
                    continue
                widget = self.table.cellWidget(row, col)
                if not self.setParameterValueFromWidget(param, widget, alg):
                    self.progressLabel.setText("<b>Missing parameter value: " + param.description + " (row " + str(row + 1) + ")</b>")
                    self.algs = None
                    return
                col+=1
            for out in alg.outputs:
                if out.hidden:
                    continue
                widget = self.table.cellWidget(row, col)
                text = widget.getValue()
                if text.strip() != "":
                    out.value = text
                    col+=1
                else:
                    self.progressLabel.setText("<b>Wrong or missing parameter value: " + out.description + " (row " + str(row + 1) + ")</b>")
                    self.algs = None
                    return
            self.algs.append(alg)
            widget = self.table.cellWidget(row, col)
            self.load.append(widget.currentIndex() == 0)

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        self.table.setEnabled(False)
        if ProcessingConfig.getSetting(ProcessingConfig.USE_THREADS):
            self.tabWidget.setCurrentIndex(1)
            self.nextAlg(0)
        else:
            i=0
            self.progress.setMaximum(len(self.algs))
            for alg in self.algs:
                self.setBaseText("Processing algorithm " + str(i+1) + "/" + str(len(self.algs)) + "...")
                if UnthreadedAlgorithmExecutor.runalg(alg, self):
                    if self.load[i]:
                        Postprocessing.handleAlgorithmResults(alg, self, False)
                    i+=1
                else:
                    QApplication.restoreOverrideCursor()
                    return

            self.finishAll()

    def loadHTMLResults(self, alg, i):
        for out in alg.outputs:
            if out.hidden or not out.open:
                continue
            if isinstance(out, OutputHTML):
                ProcessingResults.addResult(out.description + "[" + str(i) + "]", out.value)

    def cancel(self):
        self.algs = None
        if self.algEx:
            self.algEx.terminate()
        self.table.setEnabled(True)

    @pyqtSlot()
    def finish(self, i):
        if not self.stop:
            if self.load[i]:
                Postprocessing.handleAlgorithmResults(self.algs[i], self, False)
            i += 1
            if len(self.algs) == i:
                self.finishAll()
                self.algEx = None
            else:
                self.nextAlg(i)

    @pyqtSlot(str)
    def error(self, msg):
        QApplication.restoreOverrideCursor()
        QMessageBox.critical(self, "Error", msg)
        ProcessingLog.addToLog(ProcessingLog.LOG_ERROR, msg)
        if self.algEx:
            self.algEx.terminate()
        self.table.setEnabled(True)


    def nextAlg(self, i):
        self.stop = False
        self.setBaseText("Processing algorithm " + str(i + 1) + "/" + str(len(self.algs)) + "...")
        self.algEx = AlgorithmExecutor(self.algs[i]);
        self.algEx.percentageChanged.connect(self.setPercentage)
        self.algEx.textChanged.connect(self.setText)
        self.algEx.error.connect(self.error)
        self.algEx.finished.connect(lambda: self.finish(i))
        self.algEx.infoSet.connect(self.setInfo)
        if ProcessingConfig.getSetting(ProcessingConfig.SHOW_DEBUG_IN_DIALOG):
            self.algEx.commandSet.connect(self.setCommand)
            self.algEx.debugInfoSet.connect(self.setDebugInfo)
            self.algEx.consoleInfoSet.connect(self.setConsoleInfo)
        self.algEx.start()

    def createSummaryTable(self):
        createTable = False
        for out in self.algs[0].outputs:
            if isinstance(out, (OutputNumber,OutputString)):
                createTable = True
                break
        if not createTable:
            return
        outputFile = getTempFilename("html")
        f = open(outputFile, "w")
        for alg in self.algs:
            f.write("<hr>\n")
            for out in alg.outputs:
                if isinstance(out, (OutputNumber,OutputString)):
                    f.write("<p>" + out.description + ": " + str(out.value) + "</p>\n")
        f.write("<hr>\n")
        f.close()
        ProcessingResults.addResult(self.algs[0].name + "[summary]", outputFile)

    def finishAll(self):
        i = 0
        for alg in self.algs:
            self.loadHTMLResults(alg, i)
            i = i + 1
        self.createSummaryTable()
        QApplication.restoreOverrideCursor()
        self.table.setEnabled(True)
        QMessageBox.information(self, "Batch processing", "Batch processing successfully completed!")

    def setParameterValueFromWidget(self, param, widget, alg = None):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable, ParameterMultipleInput)):
            value = widget.getText()
            if unicode(value).strip() == "":
                value = None
            return param.setValue(value)
        elif isinstance(param, ParameterBoolean):
            return param.setValue(widget.currentIndex() == 0)
        elif isinstance(param, ParameterSelection):
            return param.setValue(widget.currentIndex())
        elif isinstance(param, ParameterFixedTable):
            return param.setValue(widget.table)
        elif isinstance(param, (ParameterExtent)):
            if alg != None:
                widget.useNewAlg(alg)
            return param.setValue(widget.getValue())
        elif isinstance(param, (ParameterCrs, ParameterFile)):
            return param.setValue(widget.getValue())
        else:
            return param.setValue(widget.text())

    def getWidgetFromParameter(self, param, row, col):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable, ParameterMultipleInput)):
            item = BatchInputSelectionPanel(param, row, col, self)
        elif isinstance(param, ParameterBoolean):
            item = QtGui.QComboBox()
            item.addItem("Yes")
            item.addItem("No")
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QtGui.QComboBox()
            item.addItems(param.options)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self, self.alg, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder)
        else:
            item = QtGui.QLineEdit()
            try:
                item.setText(str(param.default))
            except:
                pass

        return item

    def deleteRow(self):
        if self.table.rowCount() > 2:
            self.table.setRowCount(self.table.rowCount()-1)

    def addRow(self):
        self.table.setRowCount(self.table.rowCount()+1)
        self.table.setRowHeight(self.table.rowCount()-1, 22)
        i=0
        for param in self.alg.parameters:
            self.table.setCellWidget(self.table.rowCount()-1,i, self.getWidgetFromParameter(param, self.table.rowCount()-1, i))
            i+=1
        for out in self.alg.outputs:
            self.table.setCellWidget(self.table.rowCount()-1,i, BatchOutputSelectionPanel(out, self.alg, self.table.rowCount()-1, i, self))
            i+=1

        item = QtGui.QComboBox()
        item.addItem("Yes")
        item.addItem("No")
        item.setCurrentIndex(0)
        self.table.setCellWidget(self.table.rowCount()-1, i, item)

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText("Hide advanced parameters")
        else:
            self.advancedButton.setText("Show advanced parameters")
        i = 0
        for param in self.alg.parameters:
            if param.isAdvanced:
                self.table.setColumnHidden(i, not self.showAdvanced)
            i+=1

    def setText(self, text):
        self.progressLabel.setText(self.baseText + "   --- [" + text + "]")

    def setBaseText(self, text):
        self.baseText = text
class BatchProcessingDialog(AlgorithmExecutionDialog):
    def __init__(self, alg):
        self.algs = None
        self.showAdvanced = False
        self.table = QtGui.QTableWidget(None)
        AlgorithmExecutionDialog.__init__(self, alg, self.table)
        self.setWindowModality(1)
        self.algEx = None
        self.resize(800, 500)
        self.setWindowTitle("Batch Processing - " + self.alg.name)
        for param in self.alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QtGui.QPushButton()
                self.advancedButton.setText("Show advanced parameters")
                self.advancedButton.setMaximumWidth(150)
                self.buttonBox.addButton(self.advancedButton, QtGui.QDialogButtonBox.ActionRole)
                self.advancedButton.clicked.connect(self.showAdvancedParametersClicked)
                break
        self.addRowButton = QtGui.QPushButton()
        self.addRowButton.setText("Add row")
        self.buttonBox.addButton(self.addRowButton, QtGui.QDialogButtonBox.ActionRole)
        self.deleteRowButton = QtGui.QPushButton()
        self.deleteRowButton.setText("Delete row")
        self.buttonBox.addButton(self.addRowButton, QtGui.QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.deleteRowButton, QtGui.QDialogButtonBox.ActionRole)

        self.table.setColumnCount(self.alg.getVisibleParametersCount() + self.alg.getVisibleOutputsCount() + 1)
        self.setTableContent()
        self.table.horizontalHeader().setStretchLastSection(True)
        self.table.verticalHeader().setVisible(False)
        self.table.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
        self.addRowButton.clicked.connect(self.addRow)
        self.deleteRowButton.clicked.connect(self.deleteRow)
        self.table.horizontalHeader().sectionDoubleClicked.connect(self.headerDoubleClicked)


    def headerDoubleClicked(self, col):
        widget = self.table.cellWidget(0, col)
        if isinstance(widget, QtGui.QComboBox):
            widgetValue = widget.currentIndex()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setCurrentIndex(widgetValue)
        elif isinstance(widget, ExtentSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                if widgetValue != None:
                    self.table.cellWidget(row, col).text.setText(widgetValue)
                else:
                    self.table.cellWidget(row, col).text.setText("")
        elif isinstance(widget, CrsSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setAuthid(widgetValue)
        elif isinstance(widget, FileSelectionPanel):
            widgetValue = widget.getValue()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)
        elif isinstance(widget, QtGui.QLineEdit):
            widgetValue = widget.text()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)
        elif isinstance(widget, BatchInputSelectionPanel):
            widgetValue = widget.getText()
            for row in range(1, self.table.rowCount()):
                self.table.cellWidget(row, col).setText(widgetValue)

        else:
            pass


    def setTableContent(self):
        i = 0
        for param in self.alg.parameters:
            self.table.setColumnWidth(i,250)
            self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem(param.description))
            if param.isAdvanced:
                self.table.setColumnHidden(i, not self.showAdvanced)
            i+=1
        for out in self.alg.outputs:
            self.table.setColumnWidth(i,250)
            self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem(out.description))
            i+=1

        self.table.setColumnWidth(i, 200)
        self.table.setHorizontalHeaderItem(i, QtGui.QTableWidgetItem("Load in QGIS"))

        for i in range(3):
            self.addRow()


    def accept(self):
        self.algs = []
        self.load = []
        for row in range(self.table.rowCount()):
            alg = self.alg.getCopy()#copy.deepcopy(self.alg)
            col = 0
            for param in alg.parameters:
                if param.hidden:
                    continue
                widget = self.table.cellWidget(row, col)
                if not self.setParameterValueFromWidget(param, widget, alg):
                    self.progressLabel.setText("<b>Missing parameter value: " + param.description + " (row " + str(row + 1) + ")</b>")
                    self.algs = None
                    return
                col+=1
            for out in alg.outputs:
                if out.hidden:
                    continue
                widget = self.table.cellWidget(row, col)
                text = widget.getValue()
                if text.strip() != "":
                    out.value = text
                    col+=1
                else:
                    self.progressLabel.setText("<b>Wrong or missing parameter value: " + out.description + " (row " + str(row + 1) + ")</b>")
                    self.algs = None
                    return
            self.algs.append(alg)
            widget = self.table.cellWidget(row, col)
            self.load.append(widget.currentIndex() == 0)

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        self.table.setEnabled(False)
        if ProcessingConfig.getSetting(ProcessingConfig.USE_THREADS):
            self.tabWidget.setCurrentIndex(1)
            self.nextAlg(0)
        else:
            i=0
            self.progress.setMaximum(len(self.algs))
            for alg in self.algs:
                self.setBaseText("Processing algorithm " + str(i+1) + "/" + str(len(self.algs)) + "...")
                if UnthreadedAlgorithmExecutor.runalg(alg, self):
                    if self.load[i]:
                        Postprocessing.handleAlgorithmResults(alg, self, False)
                    i+=1
                else:
                    QApplication.restoreOverrideCursor()
                    return

            self.finishAll()

    def loadHTMLResults(self, alg, i):
        for out in alg.outputs:
            if out.hidden or not out.open:
                continue
            if isinstance(out, OutputHTML):
                ProcessingResults.addResult(out.description + "[" + str(i) + "]", out.value)

    def cancel(self):
        self.algs = None
        if self.algEx:
            self.algEx.terminate()
        self.table.setEnabled(True)

    @pyqtSlot()
    def finish(self, i):
        if not self.stop:
            if self.load[i]:
                Postprocessing.handleAlgorithmResults(self.algs[i], self, False)
            i += 1
            if len(self.algs) == i:
                self.finishAll()
                self.algEx = None
            else:
                self.nextAlg(i)

    @pyqtSlot(str)
    def error(self, msg):
        QApplication.restoreOverrideCursor()
        QMessageBox.critical(self, "Error", msg)
        ProcessingLog.addToLog(ProcessingLog.LOG_ERROR, msg)
        if self.algEx:
            self.algEx.terminate()
        self.table.setEnabled(True)


    def nextAlg(self, i):
        self.stop = False
        self.setBaseText("Processing algorithm " + str(i + 1) + "/" + str(len(self.algs)) + "...")
        self.algEx = AlgorithmExecutor(self.algs[i]);
        self.algEx.percentageChanged.connect(self.setPercentage)
        self.algEx.textChanged.connect(self.setText)
        self.algEx.error.connect(self.error)
        self.algEx.finished.connect(lambda: self.finish(i))
        self.algEx.infoSet.connect(self.setInfo)
        if ProcessingConfig.getSetting(ProcessingConfig.SHOW_DEBUG_IN_DIALOG):
            self.algEx.commandSet.connect(self.setCommand)
            self.algEx.debugInfoSet.connect(self.setDebugInfo)
            self.algEx.consoleInfoSet.connect(self.setConsoleInfo)
        self.algEx.start()

    def createSummaryTable(self):
        createTable = False
        for out in self.algs[0].outputs:
            if isinstance(out, (OutputNumber,OutputString)):
                createTable = True
                break
        if not createTable:
            return
        outputFile = ProcessingUtils.getTempFilename("html")
        f = open(outputFile, "w")
        for alg in self.algs:
            f.write("<hr>\n")
            for out in alg.outputs:
                if isinstance(out, (OutputNumber,OutputString)):
                    f.write("<p>" + out.description + ": " + str(out.value) + "</p>\n")
        f.write("<hr>\n")
        f.close()
        ProcessingResults.addResult(self.algs[0].name + "[summary]", outputFile)

    def finishAll(self):
        i = 0
        for alg in self.algs:
            self.loadHTMLResults(alg, i)
            i = i + 1
        self.createSummaryTable()
        QApplication.restoreOverrideCursor()
        self.table.setEnabled(True)
        QMessageBox.information(self, "Batch processing", "Batch processing successfully completed!")

    def setParameterValueFromWidget(self, param, widget, alg = None):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable, ParameterMultipleInput)):
            value = widget.getText()
            if unicode(value).strip() == "":
                value = None
            return param.setValue(value)
        elif isinstance(param, ParameterBoolean):
            return param.setValue(widget.currentIndex() == 0)
        elif isinstance(param, ParameterSelection):
            return param.setValue(widget.currentIndex())
        elif isinstance(param, ParameterFixedTable):
            return param.setValue(widget.table)
        elif isinstance(param, (ParameterExtent)):
            if alg != None:
                widget.useNewAlg(alg)
            return param.setValue(widget.getValue())
        elif isinstance(param, (ParameterCrs, ParameterFile)):
            return param.setValue(widget.getValue())
        else:
            return param.setValue(widget.text())

    def getWidgetFromParameter(self, param, row, col):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable, ParameterMultipleInput)):
            item = BatchInputSelectionPanel(param, row, col, self)
        elif isinstance(param, ParameterBoolean):
            item = QtGui.QComboBox()
            item.addItem("Yes")
            item.addItem("No")
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QtGui.QComboBox()
            item.addItems(param.options)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self, self.alg, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder)
        else:
            item = QtGui.QLineEdit()
            try:
                item.setText(str(param.default))
            except:
                pass

        return item

    def deleteRow(self):
        if self.table.rowCount() > 2:
            self.table.setRowCount(self.table.rowCount()-1)

    def addRow(self):
        self.table.setRowCount(self.table.rowCount()+1)
        self.table.setRowHeight(self.table.rowCount()-1, 22)
        i=0
        for param in self.alg.parameters:
            self.table.setCellWidget(self.table.rowCount()-1,i, self.getWidgetFromParameter(param, self.table.rowCount()-1, i))
            i+=1
        for out in self.alg.outputs:
            self.table.setCellWidget(self.table.rowCount()-1,i, BatchOutputSelectionPanel(out, self.alg, self.table.rowCount()-1, i, self))
            i+=1

        item = QtGui.QComboBox()
        item.addItem("Yes")
        item.addItem("No")
        item.setCurrentIndex(0)
        self.table.setCellWidget(self.table.rowCount()-1, i, item)

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText("Hide advanced parameters")
        else:
            self.advancedButton.setText("Show advanced parameters")
        i = 0
        for param in self.alg.parameters:
            if param.isAdvanced:
                self.table.setColumnHidden(i, not self.showAdvanced)
            i+=1

    def setText(self, text):
        self.progressLabel.setText(self.baseText + "   --- [" + text + "]")

    def setBaseText(self, text):
        self.baseText = text