Python gui.QgsExpressionLineEdit类代码示例

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本文整理汇总了Python中qgis.gui.QgsExpressionLineEdit类的典型用法代码示例。如果您正苦于以下问题：Python QgsExpressionLineEdit类的具体用法？Python QgsExpressionLineEdit怎么用？Python QgsExpressionLineEdit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QgsExpressionLineEdit类的8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: test_ChangedSignals

    def test_ChangedSignals(self):
        """ test that signals are correctly emitted when changing expressions"""

        w = QgsExpressionLineEdit()

        expression_changed_spy = QSignalSpy(w.expressionChanged)
        w.setExpression('1+1')

        self.assertEqual(len(expression_changed_spy), 1)
        self.assertEqual(expression_changed_spy[0][0], '1+1')

开发者ID:timlinux，项目名称:QGIS，代码行数:10，代码来源:test_qgsexpressionlineedit.py

示例2: setupUi


#.........这里部分代码省略.........
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, ParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description(), param.param.name())
                    if self.param is not None:
                        if self.param.parent_layer == param.param.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)

开发者ID:rskelly，项目名称:QGIS，代码行数:67，代码来源:ModelerParameterDefinitionDialog.py

示例3: ModelerParameterDefinitionDialog


#.........这里部分代码省略.........
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, ParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description(), param.param.name())
                    if self.param is not None:
                        if self.param.parent_layer == param.param.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)

开发者ID:rskelly，项目名称:QGIS，代码行数:67，代码来源:ModelerParameterDefinitionDialog.py

示例4: setupUi


#.........这里部分代码省略.........
            self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == parameters.PARAMETER_NUMBER or self.paramType == parameters.PARAMETER_DISTANCE or
              isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType() == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == parameters.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(

开发者ID:pigreco，项目名称:QGIS，代码行数:67，代码来源:ModelerParameterDefinitionDialog.py

示例5: ModelerParameterDefinitionDialog


#.........这里部分代码省略.........
            self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == parameters.PARAMETER_NUMBER or self.paramType == parameters.PARAMETER_DISTANCE or
              isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType() == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == parameters.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(

开发者ID:pigreco，项目名称:QGIS，代码行数:67，代码来源:ModelerParameterDefinitionDialog.py

示例6: testSetGetExpression

    def testSetGetExpression(self):
        """ test setting and getting expression """
        w = QgsExpressionLineEdit()
        self.assertFalse(w.expression())
        w.setExpression('1+2')
        self.assertEqual(w.expression(), '1+2')
        result, error = w.isValidExpression()
        self.assertTrue(result)
        w.setExpression('1+')
        self.assertEqual(w.expression(), '1+')
        result, error = w.isValidExpression()
        self.assertFalse(result)
        self.assertTrue(error)

        # try with a multiline widget too
        w.setMultiLine(True)
        self.assertEqual(w.expression(), '1+')
        w.setExpression('1+3')
        self.assertEqual(w.expression(), '1+3')

        # and flip back again...
        w.setMultiLine(False)
        self.assertEqual(w.expression(), '1+3')

开发者ID:timlinux，项目名称:QGIS，代码行数:23，代码来源:test_qgsexpressionlineedit.py

示例7: testDialog

 def testDialog(self):
     """ test dialog related methods """
     w = QgsExpressionLineEdit()
     w.setExpressionDialogTitle('test')
     self.assertEqual(w.expressionDialogTitle(), 'test')

开发者ID:timlinux，项目名称:QGIS，代码行数:5，代码来源:test_qgsexpressionlineedit.py

示例8: ModelerParameterDefinitionDialog


#.........这里部分代码省略.........
            self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
              isinstance(self.param, QgsProcessingParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType() == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(

开发者ID:sbrunner，项目名称:QGIS，代码行数:67，代码来源:ModelerParameterDefinitionDialog.py

注：本文中的qgis.gui.QgsExpressionLineEdit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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Python gui.QgsExpressionLineEdit类代码示例

示例1: test_ChangedSignals

示例2: setupUi

示例3: ModelerParameterDefinitionDialog

示例4: setupUi

示例5: ModelerParameterDefinitionDialog

示例6: testSetGetExpression

示例7: testDialog

示例8: ModelerParameterDefinitionDialog

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