class MessageBarProgress(QgsProcessingFeedback):

    def __init__(self, algname=None):
        QgsProcessingFeedback.__init__(self)

        self.msg = []
        self.progressMessageBar = \
            iface.messageBar().createMessage(self.tr('Executing algorithm <i>{0}</i>'.format(algname if algname else '')))
        self.progress = QProgressBar()
        self.progressChanged.connect(self.progress.setValue)
        self.progress.setMaximum(100)
        self.progress.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
        self.progressMessageBar.layout().addWidget(self.progress)
        self.message_bar_item = iface.messageBar().pushWidget(self.progressMessageBar,
                                                              Qgis.Info)

    def reportError(self, msg, fatalError=False):
        self.msg.append(msg)

    def close(self):
        if self.msg:
            dlg = MessageDialog()
            dlg.setTitle(QCoreApplication.translate('MessageBarProgress', 'Problem executing algorithm'))
            dlg.setMessage("<br>".join(self.msg))
            dlg.exec_()
        iface.messageBar().popWidget(self.message_bar_item)

    def tr(self, string, context=''):
        if context == '':
            context = 'MessageBarProgress'
        return QCoreApplication.translate(context, string)

class ProgressBarLogger(QDialog):
    """A simple dialog with a progress bar and a label"""
    def __init__(self, title = None):
        QDialog.__init__(self, None)
        if title is not None:
            self.setWindowTitle(title)
        self.__label = QLabel(self)
        self.__layout = QVBoxLayout()
        self.__layout.addWidget(self.__label)
        self.__progress = QProgressBar(self)
        self.__layout.addWidget(self.__progress)
        self.setLayout(self.__layout)
        self.resize(600, 70)
        self.setFixedSize(600, 70)
        self.__progress.hide()
        self.show()

    def set_text(self, t):
        """Gets called when a text is to be logged"""
        if isinstance(t, tuple):
            lvl, msg = t
        else:
            msg = t
        self.__label.setText(msg)
        QCoreApplication.processEvents()

    def set_progress(self, i, n):
        """Gets called when there is a progression"""
        self.__progress.show()
        self.__progress.setMinimum(0)
        self.__progress.setMaximum(n)
        self.__progress.setValue(i)
        QCoreApplication.processEvents()

    def __init__(self, algname=None):
        QgsProcessingFeedback.__init__(self)

        self.msg = []
        self.progressMessageBar = \
            iface.messageBar().createMessage(self.tr('Executing algorithm <i>{0}</i>'.format(algname if algname else '')))
        self.progress = QProgressBar()
        self.progressChanged.connect(self.progress.setValue)
        self.progress.setMaximum(100)
        self.progress.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
        self.progressMessageBar.layout().addWidget(self.progress)
        self.message_bar_item = iface.messageBar().pushWidget(self.progressMessageBar,
                                                              Qgis.Info)

 def __init__(self, title = None):
     QDialog.__init__(self, None)
     if title is not None:
         self.setWindowTitle(title)
     self.__label = QLabel(self)
     self.__layout = QVBoxLayout()
     self.__layout.addWidget(self.__label)
     self.__progress = QProgressBar(self)
     self.__layout.addWidget(self.__progress)
     self.setLayout(self.__layout)
     self.resize(600, 70)
     self.setFixedSize(600, 70)
     self.__progress.hide()
     self.show()

 def __init__(self, iface):
     QDialog.__init__(self, iface.mainWindow())
     
     self.workerThread = None
     self.state = False
     self.outputLoc = None
     self.resultStatus = None
     self.reRun = False
     self.savedProj = None
     
     # Build GUI Elements
     self.setWindowTitle("SEILAPLAN wird ausgeführt")
     self.resize(500, 100)
     self.container = QVBoxLayout()
     self.progressBar = QProgressBar(self)
     self.progressBar.setMinimumWidth(500)
     self.statusLabel = QLabel(self)
     self.hbox = QHBoxLayout()
     self.cancelButton = QDialogButtonBox()
     self.closeButton = QDialogButtonBox()
     self.resultLabel = ClickLabel(self)
     self.resultLabel.setMaximumWidth(500)
     self.resultLabel.setSizePolicy(
         QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding))
     self.resultLabel.setWordWrap(True)
     self.rerunButton = QPushButton("Berechnungen wiederholen")
     self.rerunButton.setVisible(False)
     spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
                          QSizePolicy.Minimum)
     self.cancelButton.setStandardButtons(QDialogButtonBox.Cancel)
     self.cancelButton.clicked.connect(self.onAbort)
     self.closeButton.setStandardButtons(QDialogButtonBox.Close)
     self.closeButton.clicked.connect(self.onClose)
     self.hbox.addWidget(self.rerunButton)
     self.hbox.addItem(spacer)
     self.hbox.addWidget(self.cancelButton)
     self.hbox.setAlignment(self.cancelButton, Qt.AlignHCenter)
     self.hbox.addWidget(self.closeButton)
     self.hbox.setAlignment(self.closeButton, Qt.AlignHCenter)
     self.closeButton.hide()
     
     self.container.addWidget(self.progressBar)
     self.container.addWidget(self.statusLabel)
     self.container.addWidget(self.resultLabel)
     self.container.addLayout(self.hbox)
     self.container.setSizeConstraint(QLayout.SetFixedSize)
     self.setLayout(self.container)

    def on_button_box_accepted(self):
        if self.filenameEdit.text() == '':
            QMessageBox.warning(self, self.tr("Warning!"), self.tr("Please, select a location to save the file."))
            return

        # Initiating processing
        osmRequest = OSMRequest(self.filenameEdit.text())
        osmRequest.setParameters(self.wEdit.text(), self.sEdit.text(), self.eEdit.text(), self.nEdit.text())
        # Connecting end signal
        osmRequest.signals.processFinished.connect(self.processFinished)
        osmRequest.signals.sizeReported.connect(self.reportSize)
        osmRequest.signals.proxyOpened.connect(self.proxy)
        osmRequest.signals.errorOccurred.connect(self.errorOccurred)
        osmRequest.signals.userCanceled.connect(self.userCanceled)
        # Setting the progress bar
        self.progressMessageBar = self.iface.messageBar().createMessage('Downloading data...')
        self.progressBar = QProgressBar()
        self.progressBar.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
        self.progressMessageBar.layout().addWidget(self.progressBar)
        self.iface.messageBar().pushWidget(self.progressMessageBar, Qgis.Info)
        self.progressBar.setRange(0, 0)
        self.progressMessageBar.destroyed.connect(osmRequest.signals.cancel)
        # Starting process
        self.threadpool.start(osmRequest)

#.........这里部分代码省略.........
            layerId = self.inputVectorLayer.itemData(layerindex)
            inputlayer = QgsProject.instance().mapLayer(layerId)
            if inputlayer is None:
                self.showError(self.tr('No input layer defined'))
                return
            joinindex = self.joinVectorLayer.currentIndex()
            joinlayerId = self.joinVectorLayer.itemData(joinindex)
            joinlayer = QgsProject.instance().mapLayer(joinlayerId)
            if joinlayer is None:
                self.showError(self.tr('No join layer defined'))
                return
            if joinlayer is not None and joinlayer.crs().isGeographic():
                self.showWarning('Geographic CRS used for the join layer -'
                                 ' distances will be in decimal degrees!')
            outputlayername = self.outputDataset.text()
            approximateinputgeom = self.approximate_input_geom_cb.isChecked()
            joinprefix = self.joinPrefix.text()
            # useindex = True
            useindex = self.use_index_nonpoint_cb.isChecked()
            useindexapproximation = self.use_indexapprox_cb.isChecked()
            distancefieldname = self.distancefieldname.text()
            selectedinputonly = self.inputSelected.isChecked()
            selectedjoinonly = self.joinSelected.isChecked()
            excludecontaining = self.exclude_containing_poly_cb.isChecked()
            # create a new worker instance
            self.worker = Worker(inputlayer, joinlayer, outputlayername,
                            joinprefix, distancefieldname,
                            approximateinputgeom, useindexapproximation,
                            useindex, selectedinputonly, selectedjoinonly,
                            excludecontaining)
            # configure the QgsMessageBar
            msgBar = self.iface.messageBar().createMessage(
                                                self.tr('Joining'), '')
            self.aprogressBar = QProgressBar()
            self.aprogressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
            acancelButton = QPushButton()
            acancelButton.setText(self.CANCEL)
            # acancelButton.clicked.connect(self.killWorker)
            msgBar.layout().addWidget(self.aprogressBar)
            msgBar.layout().addWidget(acancelButton)
            # Has to be popped after the thread has finished (in
            # workerFinished).
            self.iface.messageBar().pushWidget(msgBar,
                                               Qgis.Info)
            #                      self.iface.messageBar().INFO)
            self.messageBar = msgBar
            # start the worker in a new thread
            self.mythread = QThread(self)  # QT requires the "self"
            self.worker.status.connect(self.workerInfo)
            self.worker.progress.connect(self.progressBar.setValue)
            self.worker.progress.connect(self.aprogressBar.setValue)
            self.worker.finished.connect(self.workerFinished)
            self.worker.error.connect(self.workerError)
            # Must come before movetothread:
            self.cancelButton.clicked.connect(self.worker.kill)
            acancelButton.clicked.connect(self.worker.kill)
            self.worker.finished.connect(self.worker.deleteLater)
            self.worker.finished.connect(self.mythread.quit)
            # self.worker.error.connect(self.worker.deleteLater)
            # self.worker.error.connect(self.mythread.quit)
            # Must come before thread.started.connect!:
            self.worker.moveToThread(self.mythread)
            self.mythread.started.connect(self.worker.run)
            self.mythread.finished.connect(self.mythread.deleteLater)
            self.mythread.start()
            # self.thread = thread

class OSMDownloaderDialog(QDialog, FORM_CLASS):
    def __init__(self, iface, startX, startY, endX, endY, parent=None):
        """Constructor."""
        super(OSMDownloaderDialog, self).__init__(parent)
        # Set up the user interface from Designer.
        # After setupUI you can access any designer object by doing
        # self.<objectname>, and you can use autoconnect slots - see
        # http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
        # #widgets-and-dialogs-with-auto-connect
        self.setupUi(self)

        self.iface = iface

        self.setCoordinates(startX, startY, endX, endY)

        self.threadpool = QThreadPool()

        self.size = 0

    def setCoordinates(self, startX, startY, endX, endY):
        if startX < endX:
            minLong = startX
            maxLong = endX
        else:
            minLong = endX
            maxLong = startX

        if startY < endY:
            minLat = startY
            maxLat = endY
        else:
            minLat = endY
            maxLat = startY

        self.wEdit.setText(str(minLong))
        self.sEdit.setText(str(minLat))
        self.eEdit.setText(str(maxLong))
        self.nEdit.setText(str(maxLat))

    @pyqtSlot()
    def on_saveButton_clicked(self):
        ret = QFileDialog.getSaveFileName(parent=None, caption='Define file name and location', filter='OSM Files(*.osm)')
        fileName = ret[0]

        split = fileName.split('.')
        if len(split)>0 and split[-1] == 'osm':
            pass
        else:
            fileName += '.osm'

        self.filenameEdit.setText(fileName)

    @pyqtSlot()
    def on_button_box_accepted(self):
        if self.filenameEdit.text() == '':
            QMessageBox.warning(self, self.tr("Warning!"), self.tr("Please, select a location to save the file."))
            return

        # Initiating processing
        osmRequest = OSMRequest(self.filenameEdit.text())
        osmRequest.setParameters(self.wEdit.text(), self.sEdit.text(), self.eEdit.text(), self.nEdit.text())
        # Connecting end signal
        osmRequest.signals.processFinished.connect(self.processFinished)
        osmRequest.signals.sizeReported.connect(self.reportSize)
        osmRequest.signals.proxyOpened.connect(self.proxy)
        osmRequest.signals.errorOccurred.connect(self.errorOccurred)
        osmRequest.signals.userCanceled.connect(self.userCanceled)
        # Setting the progress bar
        self.progressMessageBar = self.iface.messageBar().createMessage('Downloading data...')
        self.progressBar = QProgressBar()
        self.progressBar.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
        self.progressMessageBar.layout().addWidget(self.progressBar)
        self.iface.messageBar().pushWidget(self.progressMessageBar, Qgis.Info)
        self.progressBar.setRange(0, 0)
        self.progressMessageBar.destroyed.connect(osmRequest.signals.cancel)
        # Starting process
        self.threadpool.start(osmRequest)

    @pyqtSlot(str)
    def proxy(self, proxy):
        self.progressMessageBar.setText('Proxy set to: '+proxy)

    @pyqtSlot(str)
    def errorOccurred(self, message):
        QMessageBox.warning(self, 'Fatal!', message)
        self.close()

    @pyqtSlot()
    def userCanceled(self):
        QMessageBox.warning(self, 'Info!', 'Process canceled by user!')
        self.close()

    @pyqtSlot(float)
    def reportSize(self, size):
        self.size = size
        self.progressMessageBar.setText('Downloading: '+"{0:.2f}".format(size)+' megabytes from OSM servers...')

    @pyqtSlot(str)
    def processFinished(self, message):
        self.progressBar.setRange(0, 100)
#.........这里部分代码省略.........

#.........这里部分代码省略.........
    def startWorker(self):
        """Initialises and starts the worker thread."""
        try:
            layerindex = self.inputRaster.currentIndex()
            layerId = self.inputRaster.itemData(layerindex)
            inputlayer = QgsProject.instance().mapLayer(layerId)
            #inputlayer = QgsMapLayerRegistry.instance().mapLayer(layerId)
            if inputlayer is None:
                self.showError(self.tr('No input layer defined'))
                return
            # create a reference to the layer that is being processed
            # (for use when creating the resulting raster layer)
            self.thinninglayer = inputlayer
            self.levels = []
            #self.levelsListView.selectAll()
            #selected = self.levelsListView.selectedIndexes()
            if self.levelsListView.model().rowCount() == 0:
                self.showInfo("Levels must be specified!")
                return
            for i in range(self.levelsListView.model().rowCount()):
                levelstring = self.levelsListView.model().item(i).text()
            #for i in selected:
            #    levelstring = self.levelsListView.model().itemData(i)[0]
                if self.intband:
                    self.levels.append(int(levelstring))
                else:
                    self.levels.append(float(levelstring))
            #self.levelsListView.clearSelection()
            # create a new worker instance
            worker = Worker(inputlayer, self.levels, self.intband)
            # configure the QgsMessageBar
            msgBar = self.iface.messageBar().createMessage(
                                        self.tr('Skeletonising'), '')
            self.aprogressBar = QProgressBar()
            self.aprogressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
            acancelButton = QPushButton()
            acancelButton.setText(self.CANCEL)
            acancelButton.clicked.connect(self.killWorker)
            msgBar.layout().addWidget(self.aprogressBar)
            msgBar.layout().addWidget(acancelButton)
            # Has to be popped after the thread has finished (in
            # workerFinished).
            self.iface.messageBar().pushWidget(msgBar,
                                        Qgis.Info)
            self.messageBar = msgBar
            # start the worker in a new thread
            thread = QThread(self)
            worker.moveToThread(thread)
            worker.finished.connect(self.workerFinished)
            worker.error.connect(self.workerError)
            worker.status.connect(self.workerInfo)
            worker.progress.connect(self.progressBar.setValue)
            worker.progress.connect(self.aprogressBar.setValue)
            worker.iterprogress.connect(self.iterProgressBar.setValue)
            thread.started.connect(worker.run)
            thread.start()
            self.thread = thread
            self.worker = worker
            self.button_box.button(QDialogButtonBox.Ok).setEnabled(False)
            self.button_box.button(QDialogButtonBox.Close).setEnabled(False)
            self.button_box.button(QDialogButtonBox.Cancel).setEnabled(True)
        except:
            import traceback
            self.showError(traceback.format_exc())
        else:
            pass

 def startWorker(self):
     """Initialises and starts the worker thread."""
     try:
         layerindex = self.inputRaster.currentIndex()
         layerId = self.inputRaster.itemData(layerindex)
         inputlayer = QgsProject.instance().mapLayer(layerId)
         #inputlayer = QgsMapLayerRegistry.instance().mapLayer(layerId)
         if inputlayer is None:
             self.showError(self.tr('No input layer defined'))
             return
         # create a reference to the layer that is being processed
         # (for use when creating the resulting raster layer)
         self.thinninglayer = inputlayer
         self.levels = []
         #self.levelsListView.selectAll()
         #selected = self.levelsListView.selectedIndexes()
         if self.levelsListView.model().rowCount() == 0:
             self.showInfo("Levels must be specified!")
             return
         for i in range(self.levelsListView.model().rowCount()):
             levelstring = self.levelsListView.model().item(i).text()
         #for i in selected:
         #    levelstring = self.levelsListView.model().itemData(i)[0]
             if self.intband:
                 self.levels.append(int(levelstring))
             else:
                 self.levels.append(float(levelstring))
         #self.levelsListView.clearSelection()
         # create a new worker instance
         worker = Worker(inputlayer, self.levels, self.intband)
         # configure the QgsMessageBar
         msgBar = self.iface.messageBar().createMessage(
                                     self.tr('Skeletonising'), '')
         self.aprogressBar = QProgressBar()
         self.aprogressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
         acancelButton = QPushButton()
         acancelButton.setText(self.CANCEL)
         acancelButton.clicked.connect(self.killWorker)
         msgBar.layout().addWidget(self.aprogressBar)
         msgBar.layout().addWidget(acancelButton)
         # Has to be popped after the thread has finished (in
         # workerFinished).
         self.iface.messageBar().pushWidget(msgBar,
                                     Qgis.Info)
         self.messageBar = msgBar
         # start the worker in a new thread
         thread = QThread(self)
         worker.moveToThread(thread)
         worker.finished.connect(self.workerFinished)
         worker.error.connect(self.workerError)
         worker.status.connect(self.workerInfo)
         worker.progress.connect(self.progressBar.setValue)
         worker.progress.connect(self.aprogressBar.setValue)
         worker.iterprogress.connect(self.iterProgressBar.setValue)
         thread.started.connect(worker.run)
         thread.start()
         self.thread = thread
         self.worker = worker
         self.button_box.button(QDialogButtonBox.Ok).setEnabled(False)
         self.button_box.button(QDialogButtonBox.Close).setEnabled(False)
         self.button_box.button(QDialogButtonBox.Cancel).setEnabled(True)
     except:
         import traceback
         self.showError(traceback.format_exc())
     else:
         pass

class ProgressDialog(QDialog):
    """ Progress dialog shows progress bar for algorithm.
    """
    
    def __init__(self, iface):
        QDialog.__init__(self, iface.mainWindow())
        
        self.workerThread = None
        self.state = False
        self.outputLoc = None
        self.resultStatus = None
        self.reRun = False
        self.savedProj = None
        
        # Build GUI Elements
        self.setWindowTitle("SEILAPLAN wird ausgeführt")
        self.resize(500, 100)
        self.container = QVBoxLayout()
        self.progressBar = QProgressBar(self)
        self.progressBar.setMinimumWidth(500)
        self.statusLabel = QLabel(self)
        self.hbox = QHBoxLayout()
        self.cancelButton = QDialogButtonBox()
        self.closeButton = QDialogButtonBox()
        self.resultLabel = ClickLabel(self)
        self.resultLabel.setMaximumWidth(500)
        self.resultLabel.setSizePolicy(
            QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding))
        self.resultLabel.setWordWrap(True)
        self.rerunButton = QPushButton("Berechnungen wiederholen")
        self.rerunButton.setVisible(False)
        spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
                             QSizePolicy.Minimum)
        self.cancelButton.setStandardButtons(QDialogButtonBox.Cancel)
        self.cancelButton.clicked.connect(self.onAbort)
        self.closeButton.setStandardButtons(QDialogButtonBox.Close)
        self.closeButton.clicked.connect(self.onClose)
        self.hbox.addWidget(self.rerunButton)
        self.hbox.addItem(spacer)
        self.hbox.addWidget(self.cancelButton)
        self.hbox.setAlignment(self.cancelButton, Qt.AlignHCenter)
        self.hbox.addWidget(self.closeButton)
        self.hbox.setAlignment(self.closeButton, Qt.AlignHCenter)
        self.closeButton.hide()
        
        self.container.addWidget(self.progressBar)
        self.container.addWidget(self.statusLabel)
        self.container.addWidget(self.resultLabel)
        self.container.addLayout(self.hbox)
        self.container.setSizeConstraint(QLayout.SetFixedSize)
        self.setLayout(self.container)
        
    def setThread(self, workerThread):
        self.workerThread = workerThread
        self.connectProgressSignals()
    
    def connectProgressSignals(self):
        # Connet signals of thread
        self.workerThread.sig_jobEnded.connect(self.jobEnded)
        self.workerThread.sig_jobError.connect(self.onError)
        self.workerThread.sig_value.connect(self.valueFromThread)
        self.workerThread.sig_range.connect(self.rangeFromThread)
        self.workerThread.sig_text.connect(self.textFromThread)
        self.workerThread.sig_result.connect(self.resultFromThread)
        self.rerunButton.clicked.connect(self.onRerun)
        
    def run(self):
        # Show modal dialog window (QGIS is still responsive)
        self.show()
        # start event loop
        self.exec_()
    
    def jobEnded(self, success):
        self.setWindowTitle("SEILAPLAN")
        if success:
            self.statusLabel.setText("Berechnungen abgeschlossen.")
            self.progressBar.setValue(self.progressBar.maximum())
            self.setFinalMessage()
        
        else:  # If there was an abort by the user
            self.statusLabel.setText("Berechnungen abgebrochen.")
            self.progressBar.setValue(self.progressBar.minimum())
        self.finallyDo()
        self.rerunButton.setVisible(True)
    
    def valueFromThread(self, value):
        self.progressBar.setValue(value)
    
    def rangeFromThread(self, range_vals):
        self.progressBar.setRange(range_vals[0], range_vals[1])
    
    def maxFromThread(self, max):
        self.progressBar.setValue(self.progressBar.maximum())
    
    def textFromThread(self, value):
        self.statusLabel.setText(value)
    
    def resultFromThread(self, result):
        [self.outputLoc, self.resultStatus] = result
    
#.........这里部分代码省略.........

 def startWorker(self):
     """Initialises and starts the worker thread."""
     try:
         layerindex = self.inputVectorLayer.currentIndex()
         layerId = self.inputVectorLayer.itemData(layerindex)
         inputlayer = QgsProject.instance().mapLayer(layerId)
         if inputlayer is None:
             self.showError(self.tr('No input layer defined'))
             return
         joinindex = self.joinVectorLayer.currentIndex()
         joinlayerId = self.joinVectorLayer.itemData(joinindex)
         joinlayer = QgsProject.instance().mapLayer(joinlayerId)
         if joinlayer is None:
             self.showError(self.tr('No join layer defined'))
             return
         if joinlayer is not None and joinlayer.crs().isGeographic():
             self.showWarning('Geographic CRS used for the join layer -'
                              ' distances will be in decimal degrees!')
         outputlayername = self.outputDataset.text()
         approximateinputgeom = self.approximate_input_geom_cb.isChecked()
         joinprefix = self.joinPrefix.text()
         # useindex = True
         useindex = self.use_index_nonpoint_cb.isChecked()
         useindexapproximation = self.use_indexapprox_cb.isChecked()
         distancefieldname = self.distancefieldname.text()
         selectedinputonly = self.inputSelected.isChecked()
         selectedjoinonly = self.joinSelected.isChecked()
         excludecontaining = self.exclude_containing_poly_cb.isChecked()
         # create a new worker instance
         self.worker = Worker(inputlayer, joinlayer, outputlayername,
                         joinprefix, distancefieldname,
                         approximateinputgeom, useindexapproximation,
                         useindex, selectedinputonly, selectedjoinonly,
                         excludecontaining)
         # configure the QgsMessageBar
         msgBar = self.iface.messageBar().createMessage(
                                             self.tr('Joining'), '')
         self.aprogressBar = QProgressBar()
         self.aprogressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
         acancelButton = QPushButton()
         acancelButton.setText(self.CANCEL)
         # acancelButton.clicked.connect(self.killWorker)
         msgBar.layout().addWidget(self.aprogressBar)
         msgBar.layout().addWidget(acancelButton)
         # Has to be popped after the thread has finished (in
         # workerFinished).
         self.iface.messageBar().pushWidget(msgBar,
                                            Qgis.Info)
         #                      self.iface.messageBar().INFO)
         self.messageBar = msgBar
         # start the worker in a new thread
         self.mythread = QThread(self)  # QT requires the "self"
         self.worker.status.connect(self.workerInfo)
         self.worker.progress.connect(self.progressBar.setValue)
         self.worker.progress.connect(self.aprogressBar.setValue)
         self.worker.finished.connect(self.workerFinished)
         self.worker.error.connect(self.workerError)
         # Must come before movetothread:
         self.cancelButton.clicked.connect(self.worker.kill)
         acancelButton.clicked.connect(self.worker.kill)
         self.worker.finished.connect(self.worker.deleteLater)
         self.worker.finished.connect(self.mythread.quit)
         # self.worker.error.connect(self.worker.deleteLater)
         # self.worker.error.connect(self.mythread.quit)
         # Must come before thread.started.connect!:
         self.worker.moveToThread(self.mythread)
         self.mythread.started.connect(self.worker.run)
         self.mythread.finished.connect(self.mythread.deleteLater)
         self.mythread.start()
         # self.thread = thread
         # self.worker = worker
         self.button_box.button(QDialogButtonBox.Ok).setEnabled(False)
         self.button_box.button(QDialogButtonBox.Close).setEnabled(False)
         self.button_box.button(QDialogButtonBox.Cancel).setEnabled(True)
         if layerId == joinlayerId:
             self.showInfo("The join layer is the same as the"
                           " input layer - doing a self join!")
     except:
         import traceback
         self.showError("Error starting worker: " + traceback.format_exc())
     else:
         pass

#.........这里部分代码省略.........
        self.label_6 = QLabel(self.scrollAreaWidgetContents)
        self.label_6.setObjectName("label_6")
        self.verticalLayout_2.addWidget(self.label_6)
        self.comboTaxonField = QComboBox(self.scrollAreaWidgetContents)
        self.comboTaxonField.setObjectName("comboTaxonField")
        self.verticalLayout_2.addWidget(self.comboTaxonField)
        self.gridLayout_6.addLayout(self.verticalLayout_2, 2, 0, 1, 1)
        self.verticalLayout_5 = QVBoxLayout()
        self.verticalLayout_5.setObjectName("verticalLayout_5")
        self.label_9 = QLabel(self.scrollAreaWidgetContents)
        self.label_9.setObjectName("label_9")
        self.verticalLayout_5.addWidget(self.label_9)
        self.horizontalLayout = QHBoxLayout()
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.leOutDir = QLineEdit(self.scrollAreaWidgetContents)
        self.leOutDir.setPlaceholderText("")
        self.leOutDir.setObjectName("leOutDir")
        self.horizontalLayout.addWidget(self.leOutDir)
        self.btnBrowse = QPushButton(self.scrollAreaWidgetContents)
        self.btnBrowse.setObjectName("btnBrowse")
        self.horizontalLayout.addWidget(self.btnBrowse)
        self.verticalLayout_5.addLayout(self.horizontalLayout)
        self.gridLayout_6.addLayout(self.verticalLayout_5, 5, 0, 1, 1)
        self.verticalLayout_6 = QVBoxLayout()
        self.verticalLayout_6.setObjectName("verticalLayout_6")
        self.label = QLabel(self.scrollAreaWidgetContents)
        self.label.setObjectName("label")
        self.verticalLayout_6.addWidget(self.label)
        self.gridLayout = QGridLayout()
        self.gridLayout.setObjectName("gridLayout")
        self.label_2 = QLabel(self.scrollAreaWidgetContents)
        self.label_2.setObjectName("label_2")
        self.gridLayout.addWidget(self.label_2, 0, 0, 1, 1)
        self.comboSecondary = QComboBox(self.scrollAreaWidgetContents)
        self.comboSecondary.setObjectName("comboSecondary")
        self.gridLayout.addWidget(self.comboSecondary, 1, 1, 1, 1)
        self.comboSurface = QComboBox(self.scrollAreaWidgetContents)
        self.comboSurface.setObjectName("comboSurface")
        self.gridLayout.addWidget(self.comboSurface, 2, 1, 1, 1)
        self.label_3 = QLabel(self.scrollAreaWidgetContents)
        self.label_3.setObjectName("label_3")
        self.gridLayout.addWidget(self.label_3, 1, 0, 1, 1)
        self.label_4 = QLabel(self.scrollAreaWidgetContents)
        self.label_4.setObjectName("label_4")
        self.gridLayout.addWidget(self.label_4, 2, 0, 1, 1)
        self.comboBase = QComboBox(self.scrollAreaWidgetContents)
        self.comboBase.setObjectName("comboBase")
        self.gridLayout.addWidget(self.comboBase, 0, 1, 1, 1)
        self.gridLayout.setColumnStretch(0, 1)
        self.gridLayout.setColumnStretch(1, 3)
        self.verticalLayout_6.addLayout(self.gridLayout)
        self.gridLayout_6.addLayout(self.verticalLayout_6, 0, 0, 1, 1)
        self.verticalLayout_3 = QVBoxLayout()
        self.verticalLayout_3.setObjectName("verticalLayout_3")
        self.label_7 = QLabel(self.scrollAreaWidgetContents)
        self.label_7.setObjectName("label_7")
        self.verticalLayout_3.addWidget(self.label_7)
        self.comboGrid = QComboBox(self.scrollAreaWidgetContents)
        self.comboGrid.setObjectName("comboGrid")
        self.verticalLayout_3.addWidget(self.comboGrid)
        self.verticalLayout_4 = QVBoxLayout()
        self.verticalLayout_4.setObjectName("verticalLayout_4")
        self.label_8 = QLabel(self.scrollAreaWidgetContents)
        self.label_8.setObjectName("label_8")
        self.verticalLayout_4.addWidget(self.label_8)
        self.gridLayout_2 = QGridLayout()
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.leMaxY = QLineEdit(self.scrollAreaWidgetContents)
        self.leMaxY.setObjectName("leMaxY")
        self.gridLayout_2.addWidget(self.leMaxY, 0, 1, 1, 1)
        self.leMinX = QLineEdit(self.scrollAreaWidgetContents)
        self.leMinX.setObjectName("leMinX")
        self.gridLayout_2.addWidget(self.leMinX, 1, 0, 1, 1)
        self.leMaxX = QLineEdit(self.scrollAreaWidgetContents)
        self.leMaxX.setObjectName("leMaxX")
        self.gridLayout_2.addWidget(self.leMaxX, 1, 2, 1, 1)
        self.leMinY = QLineEdit(self.scrollAreaWidgetContents)
        self.leMinY.setObjectName("leMinY")
        self.gridLayout_2.addWidget(self.leMinY, 2, 1, 1, 1)
        self.btnExtent = QPushButton(self.scrollAreaWidgetContents)
        self.btnExtent.setObjectName("btnExtent")
        self.gridLayout_2.addWidget(self.btnExtent, 1, 1, 1, 1)
        self.verticalLayout_4.addLayout(self.gridLayout_2)
        self.verticalLayout_3.addLayout(self.verticalLayout_4)
        self.gridLayout_6.addLayout(self.verticalLayout_3, 3, 0, 1, 1)
        self.scrollArea.setWidget(self.scrollAreaWidgetContents)
        self.gridLayout_3.addWidget(self.scrollArea, 0, 0, 1, 1)
        self.buttonBox = QDialogButtonBox(DistroMap)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.gridLayout_3.addWidget(self.buttonBox, 2, 0, 1, 1)
        self.progressBar = QProgressBar(DistroMap)
        self.progressBar.setProperty("value", 0)
        self.progressBar.setObjectName("progressBar")
        self.gridLayout_3.addWidget(self.progressBar, 1, 0, 1, 1)

        self.retranslateUi(DistroMap)
        self.buttonBox.rejected.connect(DistroMap.reject)
        QMetaObject.connectSlotsByName(DistroMap)

 def setupUi(self, form1):
     form1.setObjectName(_fromUtf8("form1"))
     form1.resize(400, 253)
     form1.setFocusPolicy(QtCore.Qt.TabFocus)
     form1.setWindowTitle(_fromUtf8("Kuwahara filter"))
     icon = QtGui.QIcon()
     icon.addPixmap(QtGui.QPixmap(_fromUtf8(":/qgis.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
     form1.setWindowIcon(icon)
     self.label = QLabel(form1)
     self.label.setGeometry(QtCore.QRect(21, 10, 111, 20))
     font = QtGui.QFont()
     font.setPointSize(10)
     self.label.setFont(font)
     self.label.setToolTip(_fromUtf8(""))
     self.label.setObjectName(_fromUtf8("label"))
     self.outputb = QPushButton(form1)
     self.outputb.setGeometry(QtCore.QRect(320, 47, 31, 23))
     self.outputb.setObjectName(_fromUtf8("outputb"))
     self.label_2 = QLabel(form1)
     self.label_2.setGeometry(QtCore.QRect(22, 49, 101, 20))
     font = QtGui.QFont()
     font.setPointSize(10)
     self.label_2.setFont(font)
     self.label_2.setToolTip(_fromUtf8(""))
     self.label_2.setObjectName(_fromUtf8("label_2"))
     self.progressBar = QProgressBar(form1)
     self.progressBar.setGeometry(QtCore.QRect(19, 220, 361, 23))
     self.progressBar.setProperty(_fromUtf8("value"), 24)
     self.progressBar.setObjectName(_fromUtf8("progressBar"))
     self.label_3 = QLabel(form1)
     self.label_3.setGeometry(QtCore.QRect(22, 88, 131, 20))
     font = QtGui.QFont()
     font.setPointSize(10)
     self.label_3.setFont(font)
     self.label_3.setObjectName(_fromUtf8("label_3"))
     self.label_4 = QLabel(form1)
     self.label_4.setGeometry(QtCore.QRect(21, 125, 181, 20))
     font = QtGui.QFont()
     font.setPointSize(10)
     self.label_4.setFont(font)
     self.label_4.setObjectName(_fromUtf8("label_4"))
     self.run = QPushButton(form1)
     self.run.setGeometry(QtCore.QRect(139, 185, 101, 23))
     self.run.setObjectName(_fromUtf8("run"))
     self.inputbox = QgsMapLayerComboBox(form1)
     self.inputbox.setGeometry(QtCore.QRect(141, 10, 170, 22))
     self.inputbox.setObjectName(_fromUtf8("input"))
     self.output = QLineEdit(form1)
     self.output.setGeometry(QtCore.QRect(149, 45, 160, 28))
     self.output.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
     self.output.setObjectName(_fromUtf8("output"))
     self.refb = QLineEdit(form1)
     self.refb.setGeometry(QtCore.QRect(149, 82, 160, 28))
     self.refb.setObjectName(_fromUtf8("refb"))
     self.mem = QLineEdit(form1)
     self.mem.setGeometry(QtCore.QRect(208, 120, 101, 28))
     self.mem.setObjectName(_fromUtf8("mem"))
     self.addout = QCheckBox(form1)
     self.addout.setGeometry(QtCore.QRect(100, 158, 171, 17))
     self.addout.setChecked(True)
     self.addout.setObjectName(_fromUtf8("checkBox"))
     self.inputb = QPushButton(form1)
     self.inputb.setGeometry(QtCore.QRect(320, 10, 31, 23))
     self.inputb.setObjectName(_fromUtf8("inputb"))
     self.retranslateUi(form1)
     self.setWindowFlags(QtCore.Qt.WindowFlags(QtCore.Qt.WindowMinimizeButtonHint | QtCore.Qt.WindowMaximizeButtonHint | QtCore.Qt.WindowCloseButtonHint))
     QtCore.QMetaObject.connectSlotsByName(form1)

class Ui_form1(object):
    def setupUi(self, form1):
        form1.setObjectName(_fromUtf8("form1"))
        form1.resize(400, 253)
        form1.setFocusPolicy(QtCore.Qt.TabFocus)
        form1.setWindowTitle(_fromUtf8("Kuwahara filter"))
        icon = QtGui.QIcon()
        icon.addPixmap(QtGui.QPixmap(_fromUtf8(":/qgis.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
        form1.setWindowIcon(icon)
        self.label = QLabel(form1)
        self.label.setGeometry(QtCore.QRect(21, 10, 111, 20))
        font = QtGui.QFont()
        font.setPointSize(10)
        self.label.setFont(font)
        self.label.setToolTip(_fromUtf8(""))
        self.label.setObjectName(_fromUtf8("label"))
        self.outputb = QPushButton(form1)
        self.outputb.setGeometry(QtCore.QRect(320, 47, 31, 23))
        self.outputb.setObjectName(_fromUtf8("outputb"))
        self.label_2 = QLabel(form1)
        self.label_2.setGeometry(QtCore.QRect(22, 49, 101, 20))
        font = QtGui.QFont()
        font.setPointSize(10)
        self.label_2.setFont(font)
        self.label_2.setToolTip(_fromUtf8(""))
        self.label_2.setObjectName(_fromUtf8("label_2"))
        self.progressBar = QProgressBar(form1)
        self.progressBar.setGeometry(QtCore.QRect(19, 220, 361, 23))
        self.progressBar.setProperty(_fromUtf8("value"), 24)
        self.progressBar.setObjectName(_fromUtf8("progressBar"))
        self.label_3 = QLabel(form1)
        self.label_3.setGeometry(QtCore.QRect(22, 88, 131, 20))
        font = QtGui.QFont()
        font.setPointSize(10)
        self.label_3.setFont(font)
        self.label_3.setObjectName(_fromUtf8("label_3"))
        self.label_4 = QLabel(form1)
        self.label_4.setGeometry(QtCore.QRect(21, 125, 181, 20))
        font = QtGui.QFont()
        font.setPointSize(10)
        self.label_4.setFont(font)
        self.label_4.setObjectName(_fromUtf8("label_4"))
        self.run = QPushButton(form1)
        self.run.setGeometry(QtCore.QRect(139, 185, 101, 23))
        self.run.setObjectName(_fromUtf8("run"))
        self.inputbox = QgsMapLayerComboBox(form1)
        self.inputbox.setGeometry(QtCore.QRect(141, 10, 170, 22))
        self.inputbox.setObjectName(_fromUtf8("input"))
        self.output = QLineEdit(form1)
        self.output.setGeometry(QtCore.QRect(149, 45, 160, 28))
        self.output.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
        self.output.setObjectName(_fromUtf8("output"))
        self.refb = QLineEdit(form1)
        self.refb.setGeometry(QtCore.QRect(149, 82, 160, 28))
        self.refb.setObjectName(_fromUtf8("refb"))
        self.mem = QLineEdit(form1)
        self.mem.setGeometry(QtCore.QRect(208, 120, 101, 28))
        self.mem.setObjectName(_fromUtf8("mem"))
        self.addout = QCheckBox(form1)
        self.addout.setGeometry(QtCore.QRect(100, 158, 171, 17))
        self.addout.setChecked(True)
        self.addout.setObjectName(_fromUtf8("checkBox"))
        self.inputb = QPushButton(form1)
        self.inputb.setGeometry(QtCore.QRect(320, 10, 31, 23))
        self.inputb.setObjectName(_fromUtf8("inputb"))
        self.retranslateUi(form1)
        self.setWindowFlags(QtCore.Qt.WindowFlags(QtCore.Qt.WindowMinimizeButtonHint | QtCore.Qt.WindowMaximizeButtonHint | QtCore.Qt.WindowCloseButtonHint))
        QtCore.QMetaObject.connectSlotsByName(form1)
    def retranslateUi(self, form1):
        self.label.setText(QtCore.QCoreApplication.translate("form1", "Input raster"))
        self.outputb.setText("...")
        self.label_2.setText(QApplication.translate("form1", "Output raster"))
        self.label_3.setToolTip(QApplication.translate("form1", "Reference band from which variances will be calculated to choose subwindow mean."))
        self.label_3.setText(QApplication.translate("form1", "Reference band"))
        self.label_4.setToolTip(QApplication.translate("form1", "Maximum memory usage in megabytes (it is an approximated value, since algorithm will only choose how many lines will be read at once)."))