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Python QtWidgets.QFileDialog类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中qgis.PyQt.QtWidgets.QFileDialog的典型用法代码示例。如果您正苦于以下问题:Python QFileDialog类的具体用法?Python QFileDialog怎么用?Python QFileDialog使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了QFileDialog类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: _saveToFile

 def _saveToFile( self, sender, startFolder=None ):
     filter =  "OGC GeoPackage (*.gpkg);;ESRI Shape Files (*.shp);;SpatiaLite (*.sqlite);;Geojson File (*.geojson);;GML ( *.gml);;Comma separated value File (excel) (*.csv);;MapInfo TAB (*.TAB);;Any File (*.*)" 
     Fdlg = QFileDialog()
     Fdlg.setFileMode(QFileDialog.AnyFile)
     fName, __ = QFileDialog.getSaveFileName(sender, "open file", filter=filter, directory=startFolder)
     if fName:
         ext = os.path.splitext( fName )[1]
         if "GPKG" in ext.upper():
           flType = "GPKG"
         elif "SHP" in ext.upper():
           flType = "ESRI Shapefile"
         elif "SQLITE" in ext.upper():
           flType = "SQLite" 
         elif "GEOJSON" in ext.upper():  #no update possible -> hidden
           flType = "GeoJSON"
         elif "GML" in ext.upper():
           flType = "GML"
         elif 'TAB' in ext.upper():
           flType = 'MapInfo File'
         elif 'CSV' in ext.upper():
           flType = 'CSV'
         else:
           fName = fName + ".shp"
           flType = "ESRI Shapefile"
         return (fName , flType )
     else:
         return None
开发者ID:warrieka,项目名称:geopunt4Qgis,代码行数:27,代码来源:parcel.py


示例2: select_file

    def select_file(self):
        """select file ops"""

        label = self.tr('eXtensible Markup Language (*.xml *.XML)')

        if self.mode == 0:
            slabel = self.tr('Save connections')
            self.filename, filter = QFileDialog.getSaveFileName(self, slabel,
                                                                '.', label)
        else:
            slabel = self.tr('Load connections')
            self.filename, selected_filter = QFileDialog.getOpenFileName(self, slabel,
                                                                         '.', label)

        if not self.filename:
            return

        # ensure the user never omitted the extension from the file name
        if not self.filename.lower().endswith('.xml'):
            self.filename = '%s.xml' % self.filename

        self.leFileName.setText(self.filename)

        if self.mode == 1:
            self.populate()

        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(True)
开发者ID:GeoCat,项目名称:QGIS,代码行数:27,代码来源:manageconnectionsdialog.py


示例3: showSelectionDialog

    def showSelectionDialog(self):
        # Find the file dialog's working directory
        settings = QSettings()
        text = self.leText.text()
        if os.path.isdir(text):
            path = text
        elif os.path.isdir(os.path.dirname(text)):
            path = os.path.dirname(text)
        elif settings.contains('/Processing/LastInputPath'):
            path = settings.value('/Processing/LastInputPath')
        else:
            path = ''

        if self.isFolder:
            folder = QFileDialog.getExistingDirectory(self,
                                                      self.tr('Select folder'), path)
            if folder:
                self.leText.setText(folder)
                settings.setValue('/Processing/LastInputPath',
                                  os.path.dirname(folder))
        else:
            filenames, selected_filter = QFileDialog.getOpenFileNames(self,
                                                                      self.tr('Select file'), path, '*.' + self.ext)
            if filenames:
                self.leText.setText(u';'.join(filenames))
                settings.setValue('/Processing/LastInputPath',
                                  os.path.dirname(filenames[0]))
开发者ID:spono,项目名称:QGIS,代码行数:27,代码来源:FileSelectionPanel.py


示例4: showFileDialog

    def showFileDialog(self, seldir):
        settings = QgsSettings()
        text = str(self.text.text())
        if os.path.isdir(text):
            path = text
        elif not seldir and os.path.isdir(os.path.dirname(text)):
            path = os.path.dirname(text)
        elif settings.contains('/Processing/LastInputPath'):
            path = str(settings.value('/Processing/LastInputPath'))
        else:
            path = ''

        if not seldir:
            ret, selected_filter = QFileDialog.getOpenFileNames(
                self, self.tr('Select Files'), path, getFileFilter(self.param)
            )
        else:
            ret = QFileDialog.getExistingDirectory(self, self.tr('Select Directory'), path)

        if ret:
            if seldir:
                settings.setValue('/Processing/LastInputPath', ret)

                files = []
                for pp in Path(ret).rglob("*"):
                    if not pp.is_file():
                        continue

                    p = pp.as_posix()

                    if ((isinstance(self.param, QgsProcessingParameterRasterLayer)
                         or (isinstance(self.param, QgsProcessingParameterMultipleLayers) and self.param.layerType() == QgsProcessing.TypeRaster)) and
                            not QgsRasterLayer.isValidRasterFileName(p)):
                        continue

                    files.append(p)

                if not files:
                    return

            else:
                files = list(ret)
                settings.setValue('/Processing/LastInputPath', os.path.dirname(str(files[0])))

            for i, filename in enumerate(files):
                files[i] = dataobjects.getRasterSublayer(filename, self.param)
            if len(files) == 1:
                self.text.setText(files[0])
                self.textEditingFinished()
            else:
                if isinstance(self.param, QgsProcessingParameterMultipleLayers):
                    self.text.setText(';'.join(str(f) for f in files))
                else:
                    rowdif = len(files) - (self._table().rowCount() - self.row)
                    for i in range(rowdif):
                        self._panel().addRow()
                    for i, f in enumerate(files):
                        self._table().cellWidget(i + self.row,
                                                 self.col).setValue(f)
开发者ID:digitalsatori,项目名称:QGIS,代码行数:59,代码来源:BatchInputSelectionPanel.py


示例5: openOutput

    def openOutput(sender=None, startFolder=None):
        fd = QFileDialog()
        filter =  "OGC GeoPackage (*.gpkg);;ESRI Shape File (*.shp);;Comma separated value File (excel) (*.csv);;geojson (*.geojson);;GML File (*.gml);;MapInfo TAB (*.tab);;SpatiaLite (*.sqlite);;KML (google earth) (*.kml);;Any File (*.*)"
        fName = fd.getSaveFileName( sender, "open file", filter=filter, directory=startFolder)

        if fName:
            return fName[0]
        else:
            return None
开发者ID:warrieka,项目名称:geopunt4Qgis,代码行数:9,代码来源:gipod.py


示例6: openModel

 def openModel(self):
     filename, selected_filter = QFileDialog.getOpenFileName(self,
                                                             self.tr('Open Model'),
                                                             ModelerUtils.modelsFolders()[0],
                                                             self.tr('Processing models (*.model3 *.MODEL3)'))
     if filename:
         self.loadModel(filename)
开发者ID:dwsilk,项目名称:QGIS,代码行数:7,代码来源:ModelerDialog.py


示例7: saveModel

    def saveModel(self, saveAs):
        if not self.can_save():
            return
        self.model.setName(str(self.textName.text()))
        self.model.setGroup(str(self.textGroup.text()))
        if self.model.sourceFilePath() and not saveAs:
            filename = self.model.sourceFilePath()
        else:
            filename, filter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model'),
                                                           ModelerUtils.modelsFolders()[0],
                                                           self.tr('Processing models (*.model3 *.MODEL3)'))
            if filename:
                if not filename.endswith('.model3'):
                    filename += '.model3'
                self.model.setSourceFilePath(filename)
        if filename:
            if not self.model.toFile(filename):
                if saveAs:
                    QMessageBox.warning(self, self.tr('I/O error'),
                                        self.tr('Unable to save edits. Reason:\n {0}').format(str(sys.exc_info()[1])))
                else:
                    QMessageBox.warning(self, self.tr("Can't save model"), QCoreApplication.translate('QgsPluginInstallerInstallingDialog', (
                        "This model can't be saved in its original location (probably you do not "
                        "have permission to do it). Please, use the 'Save as…' option."))
                    )
                return
            self.update_model.emit()
            if saveAs:
                self.bar.pushMessage("", self.tr("Model was correctly saved to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
            else:
                self.bar.pushMessage("", self.tr("Model was correctly saved"), level=Qgis.Success, duration=5)

            self.hasChanged = False
开发者ID:dwsilk,项目名称:QGIS,代码行数:34,代码来源:ModelerDialog.py


示例8: exportAsSvg

    def exportAsSvg(self):
        self.repaintModel(controls=False)
        filename, fileFilter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model As SVG'), '',
                                                           self.tr('SVG files (*.svg *.SVG)'))
        if not filename:
            return

        if not filename.lower().endswith('.svg'):
            filename += '.svg'

        totalRect = self.scene.itemsBoundingRect()
        totalRect.adjust(-10, -10, 10, 10)
        svgRect = QRectF(0, 0, totalRect.width(), totalRect.height())

        svg = QSvgGenerator()
        svg.setFileName(filename)
        svg.setSize(QSize(totalRect.width(), totalRect.height()))
        svg.setViewBox(svgRect)
        svg.setTitle(self.model.displayName())

        painter = QPainter(svg)
        self.scene.render(painter, svgRect, totalRect)
        painter.end()

        self.bar.pushMessage("", self.tr("Successfully exported model as SVG to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
        self.repaintModel(controls=True)
开发者ID:dwsilk,项目名称:QGIS,代码行数:27,代码来源:ModelerDialog.py


示例9: exportAsPdf

    def exportAsPdf(self):
        self.repaintModel(controls=False)
        filename, fileFilter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model As PDF'), '',
                                                           self.tr('PDF files (*.pdf *.PDF)'))
        if not filename:
            return

        if not filename.lower().endswith('.pdf'):
            filename += '.pdf'

        totalRect = self.scene.itemsBoundingRect()
        totalRect.adjust(-10, -10, 10, 10)
        printerRect = QRectF(0, 0, totalRect.width(), totalRect.height())

        printer = QPrinter()
        printer.setOutputFormat(QPrinter.PdfFormat)
        printer.setOutputFileName(filename)
        printer.setPaperSize(QSizeF(printerRect.width(), printerRect.height()), QPrinter.DevicePixel)
        printer.setFullPage(True)

        painter = QPainter(printer)
        self.scene.render(painter, printerRect, totalRect)
        painter.end()

        self.bar.pushMessage("", self.tr("Successfully exported model as PDF to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
        self.repaintModel(controls=True)
开发者ID:dwsilk,项目名称:QGIS,代码行数:27,代码来源:ModelerDialog.py


示例10: exportAsImage

    def exportAsImage(self):
        self.repaintModel(controls=False)
        filename, fileFilter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model As Image'), '',
                                                           self.tr('PNG files (*.png *.PNG)'))
        if not filename:
            return

        if not filename.lower().endswith('.png'):
            filename += '.png'

        totalRect = self.scene.itemsBoundingRect()
        totalRect.adjust(-10, -10, 10, 10)
        imgRect = QRectF(0, 0, totalRect.width(), totalRect.height())

        img = QImage(totalRect.width(), totalRect.height(),
                     QImage.Format_ARGB32_Premultiplied)
        img.fill(Qt.white)
        painter = QPainter()
        painter.setRenderHint(QPainter.Antialiasing)
        painter.begin(img)
        self.scene.render(painter, imgRect, totalRect)
        painter.end()

        img.save(filename)

        self.bar.pushMessage("", "Model was correctly exported as image", level=Qgis.Success, duration=5)
        self.repaintModel(controls=True)
开发者ID:Cracert,项目名称:Quantum-GIS,代码行数:28,代码来源:ModelerDialog.py


示例11: select

    def select(self):
        lastDir = ''
        if not self.selectFile:
            selectedPath = QFileDialog.getExistingDirectory(None,
                                                            self.tr('Select directory'), lastDir,
                                                            QFileDialog.ShowDirsOnly)
        else:
            selectedPath, selected_filter = QFileDialog.getOpenFileName(None,
                                                                        self.tr('Select file'), lastDir, self.tr('All files (*.*)')
                                                                        )

        if not selectedPath:
            return

        self.lineEdit.setText(selectedPath)
        self.canFocusOut = True
开发者ID:mj10777,项目名称:QGIS,代码行数:16,代码来源:ConfigDialog.py


示例12: getOpenFileNames

 def getOpenFileNames(self, parent=None, caption='', filter='', selectedFilter=None, useEncoding=False):
     if useEncoding:
         return self.getDialog(parent, caption, QFileDialog.AcceptOpen, QFileDialog.ExistingFiles, filter, selectedFilter, useEncoding)
     res, selected_filter = QFileDialog.getOpenFileNames(parent, caption, getLastUsedDir(), filter)
     if len(res) > 0:
         setLastUsedDir(res[-1])
     return res
开发者ID:liminlu0314,项目名称:QGIS,代码行数:7,代码来源:GdalTools_utils.py


示例13: saveToGeopackage

    def saveToGeopackage(self):
        file_filter = self.tr('GeoPackage files (*.gpkg);;All files (*.*)', 'OutputFile')

        settings = QgsSettings()
        if settings.contains('/Processing/LastOutputPath'):
            path = settings.value('/Processing/LastOutputPath')
        else:
            path = ProcessingConfig.getSetting(ProcessingConfig.OUTPUT_FOLDER)

        filename, filter = QFileDialog.getSaveFileName(self, self.tr("Save to GeoPackage"), path,
                                                       file_filter, options=QFileDialog.DontConfirmOverwrite)

        if not filename:
            return

        layer_name, ok = QInputDialog.getText(self, self.tr('Save to GeoPackage'), self.tr('Layer name'), text=self.parameter.name().lower())
        if ok:
            self.use_temporary = False
            if not filename.lower().endswith('.gpkg'):
                filename += '.gpkg'
            settings.setValue('/Processing/LastOutputPath',
                              os.path.dirname(filename))

            uri = QgsDataSourceUri()
            uri.setDatabase(filename)
            uri.setDataSource('', layer_name,
                              'geom' if isinstance(self.parameter, QgsProcessingParameterFeatureSink) and self.parameter.hasGeometry() else None)
            self.leText.setText("ogr:" + uri.uri())

            self.skipOutputChanged.emit(False)
            self.destinationChanged.emit()
开发者ID:lbartoletti,项目名称:QGIS,代码行数:31,代码来源:DestinationSelectionPanel.py


示例14: saveModel

    def saveModel(self, saveAs):
        if str(self.textGroup.text()).strip() == '' \
                or str(self.textName.text()).strip() == '':
            QMessageBox.warning(
                self, self.tr('Warning'), self.tr('Please enter group and model names before saving')
            )
            return
        self.model.setName(str(self.textName.text()))
        self.model.setGroup(str(self.textGroup.text()))
        if self.model.sourceFilePath() and not saveAs:
            filename = self.model.sourceFilePath()
        else:
            filename, filter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model'),
                                                           ModelerUtils.modelsFolders()[0],
                                                           self.tr('Processing models (*.model3)'))
            if filename:
                if not filename.endswith('.model3'):
                    filename += '.model3'
                self.model.setSourceFilePath(filename)
        if filename:
            if not self.model.toFile(filename):
                if saveAs:
                    QMessageBox.warning(self, self.tr('I/O error'),
                                        self.tr('Unable to save edits. Reason:\n {0}').format(str(sys.exc_info()[1])))
                else:
                    QMessageBox.warning(self, self.tr("Can't save model"), QCoreApplication.translate('QgsPluginInstallerInstallingDialog', (
                        "This model can't be saved in its original location (probably you do not "
                        "have permission to do it). Please, use the 'Save as…' option."))
                    )
                return
            self.update_model.emit()
            self.bar.pushMessage("", "Model was correctly saved", level=Qgis.Success, duration=5)

            self.hasChanged = False
开发者ID:Cracert,项目名称:Quantum-GIS,代码行数:35,代码来源:ModelerDialog.py


示例15: exportAsPdf

    def exportAsPdf(self):
        self.repaintModel(controls=False)
        filename, fileFilter = QFileDialog.getSaveFileName(self,
                                                           self.tr('Save Model As PDF'), '',
                                                           self.tr('PDF files (*.pdf *.PDF)'))
        if not filename:
            return

        if not filename.lower().endswith('.pdf'):
            filename += '.pdf'

        totalRect = self.scene.itemsBoundingRect()
        totalRect.adjust(-10, -10, 10, 10)
        printerRect = QRectF(0, 0, totalRect.width(), totalRect.height())

        printer = QPrinter()
        printer.setOutputFormat(QPrinter.PdfFormat)
        printer.setOutputFileName(filename)
        printer.setPaperSize(QSizeF(printerRect.width(), printerRect.height()), QPrinter.DevicePixel)
        printer.setFullPage(True)

        painter = QPainter(printer)
        self.scene.render(painter, printerRect, totalRect)
        painter.end()

        self.bar.pushMessage("", "Model was correctly exported as PDF", level=Qgis.Success, duration=5)
        self.repaintModel(controls=True)
开发者ID:Cracert,项目名称:Quantum-GIS,代码行数:27,代码来源:ModelerDialog.py


示例16: exportAsImage

    def exportAsImage(self):
        filename = unicode(QFileDialog.getSaveFileName(self,
                                                       self.tr('Save Model As Image'), '',
                                                       self.tr('PNG files (*.png *.PNG)')))
        if not filename:
            return

        if not filename.lower().endswith('.png'):
            filename += '.png'

        totalRect = QRectF(0, 0, 1, 1)
        for item in self.scene.items():
            totalRect = totalRect.united(item.sceneBoundingRect())
        totalRect.adjust(-10, -10, 10, 10)

        img = QImage(totalRect.width(), totalRect.height(),
                     QImage.Format_ARGB32_Premultiplied)
        img.fill(Qt.white)
        painter = QPainter()
        painter.setRenderHint(QPainter.Antialiasing)
        painter.begin(img)
        self.scene.render(painter, totalRect, totalRect)
        painter.end()

        img.save(filename)
开发者ID:frugardc,项目名称:QGIS,代码行数:25,代码来源:ModelerDialog.py


示例17: on_btnLoad_clicked

    def on_btnLoad_clicked(self):
        fileName, _ = QFileDialog.getOpenFileName(None,
                                                  self.tr('Import Colors and elevations from XML'),
                                                  QDir.homePath(),
                                                  self.tr('XML files (*.xml *.XML)'))
        if fileName == '':
            return

        doc = QDomDocument()
        with codecs.open(fileName, 'r', encoding='utf-8') as f:
            content = f.read()

        if not doc.setContent(content):
            QMessageBox.critical(None,
                                 self.tr('Error parsing XML'),
                                 self.tr('The XML file could not be loaded'))
            return

        self.reliefClassTree.clear()
        reliefColorList = doc.elementsByTagName('ReliefColor')
        for i in range(reliefColorList.length()):
            elem = reliefColorList.at(i).toElement()
            item = QTreeWidgetItem()
            item.setText(0, elem.attribute('MinElevation'))
            item.setText(1, elem.attribute('MaxElevation'))
            item.setBackground(2, QBrush(QColor(int(elem.attribute('red')),
                                                int(elem.attribute('green')),
                                                int(elem.attribute('blue')))))
            self.reliefClassTree.addTopLevelItem(item)
开发者ID:cayetanobv,项目名称:QGIS,代码行数:29,代码来源:ReliefColorsWidget.py


示例18: openModel

    def openModel(self):
        filename = unicode(QFileDialog.getOpenFileName(self,
                                                       self.tr('Open Model'), ModelerUtils.modelsFolder(),
                                                       self.tr('Processing models (*.model *.MODEL)')))
        if filename:
            try:
                alg = ModelerAlgorithm.fromFile(filename)
                self.alg = alg
                self.alg.setModelerView(self)
                self.textGroup.setText(alg.group)
                self.textName.setText(alg.name)
                self.repaintModel()

                self.view.centerOn(0, 0)
                self.hasChanged = False
            except WrongModelException as e:
                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                                       self.tr('Could not load model %s\n%s') % (filename, e.msg))
                QMessageBox.critical(self, self.tr('Could not open model'),
                                     self.tr('The selected model could not be loaded.\n'
                                             'See the log for more information.'))
            except Exception as e:
                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                                       self.tr('Could not load model %s\n%s') % (filename, e.args[0]))
                QMessageBox.critical(self, self.tr('Could not open model'),
                                     self.tr('The selected model could not be loaded.\n'
                                             'See the log for more information.'))
开发者ID:frugardc,项目名称:QGIS,代码行数:27,代码来源:ModelerDialog.py


示例19: saveScript

    def saveScript(self, saveAs):
        newPath = None
        if self.filePath is None or saveAs:
            scriptDir = ScriptUtils.scriptsFolders()[0]
            newPath, _ = QFileDialog.getSaveFileName(self,
                                                     self.tr("Save script"),
                                                     scriptDir,
                                                     self.tr("Processing scripts (*.py *.PY)"))

            if newPath:
                if not newPath.lower().endswith(".py"):
                    newPath += ".py"

                self.filePath = newPath

        if self.filePath:
            text = self.editor.text()
            try:
                with codecs.open(self.filePath, "w", encoding="utf-8") as f:
                    f.write(text)
            except IOError as e:
                QMessageBox.warning(self,
                                    self.tr("I/O error"),
                                    self.tr("Unable to save edits:\n{}").format(str(e))
                                    )
                return

            self.setHasChanged(False)

        QgsApplication.processingRegistry().providerById("script").refreshAlgorithms()
开发者ID:SrNetoChan,项目名称:Quantum-GIS,代码行数:30,代码来源:ScriptEditorDialog.py


示例20: onOpenDialog

 def onOpenDialog(self):
     title = u"Output Pfad auswählen"
     directory = QFileDialog.getExistingDirectory(self, title,
         self.options['outputPath'])
     
     self.tool.updateCommonPathList(directory)
     self.fillInDropDown(self.tool.commonPaths)
开发者ID:piMoll,项目名称:SEILAPLAN,代码行数:7,代码来源:guiHelperFunctions.py



注:本文中的qgis.PyQt.QtWidgets.QFileDialog类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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