A folder destination parameter, for specifying the destination path for a folder created by the algorithm or used for creating new files within the algorithm. More...
#include <qgsprocessingparameters.h>
Inheritance diagram for QgsProcessingParameterFolderDestination:
Public Member Functions | |
| QgsProcessingParameterFolderDestination (const QString &name, const QString &description=QString(), const QVariant &defaultValue=QVariant(), bool optional=false, bool createByDefault=true) | |
| Constructor for QgsProcessingParameterFolderDestination. More... | |
| bool | checkValueIsAcceptable (const QVariant &input, QgsProcessingContext *context=nullptr) const override |
| Checks whether the specified input value is acceptable for the parameter. More... | |
| QgsProcessingParameterDefinition * | clone () const override |
| Creates a clone of the parameter definition. More... | |
| QString | defaultFileExtension () const override |
| Returns the default file extension for destination file paths associated with this parameter. More... | |
| QgsProcessingOutputDefinition * | toOutputDefinition () const override |
| Returns a new QgsProcessingOutputDefinition corresponding to the definition of the destination parameter. More... | |
| QString | type () const override |
| Unique parameter type name. More... | |
 Public Member Functions inherited from QgsProcessingDestinationParameter | |
| QgsProcessingDestinationParameter (const QString &name, const QString &description=QString(), const QVariant &defaultValue=QVariant(), bool optional=false, bool createByDefault=true) | |
| Constructor for QgsProcessingDestinationParameter. More... | |
| QString | asPythonString (QgsProcessing::PythonOutputType outputType=QgsProcessing::PythonQgsProcessingAlgorithmSubclass) const override |
| Returns the parameter definition as a Python command which can be used within a Python Processing script. More... | |
| bool | createByDefault () const |
Returns true if the destination should be created by default. More... | |
| QString | createFileFilter () const override |
| This method needs to be reimplemented in all classes which implement this interface and return a file filter. More... | |
| virtual QString | defaultFileExtension () const =0 |
| Returns the default file extension for destination file paths associated with this parameter. More... | |
| bool | fromVariantMap (const QVariantMap &map) override |
| Restores this parameter to a QVariantMap. More... | |
| virtual QString | generateTemporaryDestination () const |
| Generates a temporary destination value for this parameter. More... | |
| bool | isDestination () const override |
Returns true if this parameter represents a file or layer destination, e.g. More... | |
| virtual bool | isSupportedOutputValue (const QVariant &value, QgsProcessingContext &context, QString &error) const |
| Tests whether a value is a supported value for this parameter. More... | |
| void | setCreateByDefault (bool createByDefault) |
| Sets whether the destination should be created by default. More... | |
| void | setSupportsNonFileBasedOutput (bool supportsNonFileBasedOutput) |
| Sets whether the destination parameter supports non filed-based outputs, such as memory layers or direct database outputs. More... | |
| bool | supportsNonFileBasedOutput () const |
Returns true if the destination parameter supports non filed-based outputs, such as memory layers or direct database outputs. More... | |
| virtual QgsProcessingOutputDefinition * | toOutputDefinition () const =0 |
| Returns a new QgsProcessingOutputDefinition corresponding to the definition of the destination parameter. More... | |
| QVariantMap | toVariantMap () const override |
| Saves this parameter to a QVariantMap. More... | |
| Public Member Functions inherited from QgsProcessingParameterDefinition | |
| QgsProcessingParameterDefinition (const QString &name, const QString &description=QString(), const QVariant &defaultValue=QVariant(), bool optional=false, const QString &help=QString()) | |
| Constructor for QgsProcessingParameterDefinition. More... | |
| virtual | ~QgsProcessingParameterDefinition ()=default |
| QStringList | additionalExpressionContextVariables () const |
| Returns a list of additional expression context variables which are available for use when evaluating this parameter. More... | |
| QgsProcessingAlgorithm * | algorithm () const |
| Returns a pointer to the algorithm which owns this parameter. More... | |
| virtual QString | asPythonString (QgsProcessing::PythonOutputType outputType=QgsProcessing::PythonQgsProcessingAlgorithmSubclass) const |
| Returns the parameter definition as a Python command which can be used within a Python Processing script. More... | |
| virtual QString | asScriptCode () const |
| Returns the parameter definition encoded in a string which can be used within a Processing script. More... | |
| virtual bool | checkValueIsAcceptable (const QVariant &input, QgsProcessingContext *context=nullptr) const |
| Checks whether the specified input value is acceptable for the parameter. More... | |
| virtual QgsProcessingParameterDefinition * | clone () const =0 |
| Creates a clone of the parameter definition. More... | |
| QVariant | defaultValue () const |
| Returns the default value for the parameter. More... | |
| QVariant | defaultValueForGui () const |
| Returns the default value to use for the parameter in a GUI. More... | |
| virtual QStringList | dependsOnOtherParameters () const |
| Returns a list of other parameter names on which this parameter is dependent (e.g. More... | |
| QString | description () const |
| Returns the description for the parameter. More... | |
| QString | dynamicLayerParameterName () const |
| Returns the name of the parameter for a layer linked to a dynamic parameter, or an empty string if this is not set. More... | |
| QgsPropertyDefinition | dynamicPropertyDefinition () const |
| Returns the property definition for dynamic properties. More... | |
| Flags | flags () const |
| Returns any flags associated with the parameter. More... | |
| virtual bool | fromVariantMap (const QVariantMap &map) |
| Restores this parameter to a QVariantMap. More... | |
| QVariant | guiDefaultValueOverride () const |
| Returns the default value to use in the GUI for the parameter. More... | |
| QString | help () const |
| Returns the help for the parameter. More... | |
| virtual bool | isDestination () const |
Returns true if this parameter represents a file or layer destination, e.g. More... | |
| bool | isDynamic () const |
Returns true if the parameter supports is dynamic, and can support data-defined values (i.e. More... | |
| QVariantMap & | metadata () |
| Returns the parameter's freeform metadata. More... | |
| QVariantMap | metadata () const |
| Returns the parameter's freeform metadata. More... | |
| QString | name () const |
| Returns the name of the parameter. More... | |
| QgsProcessingProvider * | provider () const |
| Returns a pointer to the provider for the algorithm which owns this parameter. More... | |
| void | setAdditionalExpressionContextVariables (const QStringList &variables) |
| Sets a list of additional expression context variables which are available for use when evaluating this parameter. More... | |
| void | setDefaultValue (const QVariant &value) |
| Sets the default value for the parameter. More... | |
| void | setDescription (const QString &description) |
| Sets the description for the parameter. More... | |
| void | setDynamicLayerParameterName (const QString &name) |
| Sets the name for the parameter for a layer linked to a dynamic parameter, or an empty string if this is not set. More... | |
| void | setDynamicPropertyDefinition (const QgsPropertyDefinition &definition) |
| Sets the property definition for dynamic properties. More... | |
| void | setFlags (Flags flags) |
| Sets the flags associated with the parameter. More... | |
| void | setGuiDefaultValueOverride (const QVariant &value) |
| Sets the default value to use for the parameter in GUI widgets. More... | |
| void | setHelp (const QString &help) |
| Sets the help for the parameter. More... | |
| void | setIsDynamic (bool dynamic) |
| Sets whether the parameter is dynamic, and can support data-defined values (i.e. More... | |
| void | setMetadata (const QVariantMap &metadata) |
| Sets the parameter's freeform metadata. More... | |
| void | setName (const QString &name) |
| Sets the name of the parameter. More... | |
| virtual QString | toolTip () const |
| Returns a formatted tooltip for use with the parameter, which gives helpful information like parameter description, ID, and extra content like default values (depending on parameter type). More... | |
| virtual QVariantMap | toVariantMap () const |
| Saves this parameter to a QVariantMap. More... | |
| virtual QString | type () const =0 |
| Unique parameter type name. More... | |
| virtual QVariant | valueAsJsonObject (const QVariant &value, QgsProcessingContext &context) const |
| Returns a version of the parameter input value, which is suitable for use in a JSON object. More... | |
| virtual QString | valueAsPythonComment (const QVariant &value, QgsProcessingContext &context) const |
| Returns a Python comment explaining a parameter value, or an empty string if no comment is required. More... | |
| virtual QString | valueAsPythonString (const QVariant &value, QgsProcessingContext &context) const |
| Returns a string version of the parameter input value, which is suitable for use as an input parameter value when running an algorithm directly from a Python command. More... | |
| virtual QString | valueAsString (const QVariant &value, QgsProcessingContext &context, bool &ok) const |
| Returns a string version of the parameter input value (if possible). More... | |
| virtual QStringList | valueAsStringList (const QVariant &value, QgsProcessingContext &context, bool &ok) const |
| Returns a string list version of the parameter input value (if possible). More... | |
| Public Member Functions inherited from QgsFileFilterGenerator | |
| virtual | ~QgsFileFilterGenerator ()=default |
| virtual QString | createFileFilter () const =0 |
| This method needs to be reimplemented in all classes which implement this interface and return a file filter. More... | |
Static Public Member Functions | |
| static QgsProcessingParameterFolderDestination * | fromScriptCode (const QString &name, const QString &description, bool isOptional, const QString &definition) |
| Creates a new parameter using the definition from a script code. More... | |
| static QString | typeName () |
| Returns the type name for the parameter class. More... | |
Additional Inherited Members | |
| Public Types inherited from QgsProcessingParameterDefinition | |
| enum | Flag { FlagAdvanced = 1 << 1 , FlagHidden = 1 << 2 , FlagOptional = 1 << 3 , FlagIsModelOutput = 1 << 4 } |
| Parameter flags. More... | |
| enum class | ValueAsStringFlag : int { AllowMapLayerValues = 1 << 0 } |
| Flags for passing to the valueAsStringPrivate() method. More... | |
| Protected Member Functions inherited from QgsProcessingDestinationParameter | |
| QgsProcessingProvider * | originalProvider () const |
| Original (source) provider which this parameter has been derived from. More... | |
| Protected Member Functions inherited from QgsProcessingParameterDefinition | |
| QVariant | valueAsJsonObjectPrivate (const QVariant &value, QgsProcessingContext &context, ValueAsStringFlags flags) const |
| Internal method for evaluating values as JSON objects. More... | |
| QString | valueAsStringPrivate (const QVariant &value, QgsProcessingContext &context, bool &ok, ValueAsStringFlags flags) const |
| Internal method for evaluating values as string. More... | |
| Protected Attributes inherited from QgsProcessingParameterDefinition | |
| QStringList | mAdditionalExpressionVariables |
| Additional expression context variables exposed for use by this parameter. More... | |
| QgsProcessingAlgorithm * | mAlgorithm = nullptr |
| Pointer to algorithm which owns this parameter. More... | |
| QVariant | mDefault |
| Default value for parameter. More... | |
| QString | mDescription |
| Parameter description. More... | |
| QString | mDynamicLayerParameterName |
| Linked vector layer parameter name for dynamic properties. More... | |
| Flags | mFlags |
| Parameter flags. More... | |
| QVariant | mGuiDefault |
| Default value for parameter in GUI. More... | |
| QString | mHelp |
| Parameter help. More... | |
| bool | mIsDynamic = false |
| True for dynamic parameters, which can have data-defined (QgsProperty) based values. More... | |
| QVariantMap | mMetadata |
| Freeform metadata for parameter. Mostly used by widget wrappers to customize their appearance and behavior. More... | |
| QString | mName |
| Parameter name. More... | |
| QgsPropertyDefinition | mPropertyDefinition |
| Data defined property definition. More... | |
Detailed Description
A folder destination parameter, for specifying the destination path for a folder created by the algorithm or used for creating new files within the algorithm.
- Since
- QGIS 3.0
Definition at line 3567 of file qgsprocessingparameters.h.
Constructor & Destructor Documentation
◆ QgsProcessingParameterFolderDestination()
| QgsProcessingParameterFolderDestination::QgsProcessingParameterFolderDestination | ( | const QString & | name, |
| const QString & | description = QString(), |
||
| const QVariant & | defaultValue = QVariant(), |
||
| bool | optional = false, |
||
| bool | createByDefault = true |
||
| ) |
Constructor for QgsProcessingParameterFolderDestination.
Definition at line 6748 of file qgsprocessingparameters.cpp.
Member Function Documentation
◆ checkValueIsAcceptable()
|
overridevirtual |
Checks whether the specified input value is acceptable for the parameter.
Returns true if the value can be accepted. The optional context parameter can be specified to allow a more stringent check to be performed, capable of checking for the presence of required layers and other factors within the context.
Reimplemented from QgsProcessingParameterDefinition.
Definition at line 6757 of file qgsprocessingparameters.cpp.
◆ clone()
|
overridevirtual |
Creates a clone of the parameter definition.
Implements QgsProcessingParameterDefinition.
Definition at line 6752 of file qgsprocessingparameters.cpp.
◆ defaultFileExtension()
|
overridevirtual |
Returns the default file extension for destination file paths associated with this parameter.
Implements QgsProcessingDestinationParameter.
Definition at line 6790 of file qgsprocessingparameters.cpp.
◆ fromScriptCode()
|
static |
Creates a new parameter using the definition from a script code.
Definition at line 6795 of file qgsprocessingparameters.cpp.
◆ toOutputDefinition()
|
overridevirtual |
Returns a new QgsProcessingOutputDefinition corresponding to the definition of the destination parameter.
Implements QgsProcessingDestinationParameter.
Definition at line 6785 of file qgsprocessingparameters.cpp.
◆ type()
|
inlineoverridevirtual |
Unique parameter type name.
Implements QgsProcessingParameterDefinition.
Definition at line 3584 of file qgsprocessingparameters.h.
◆ typeName()
|
inlinestatic |
Returns the type name for the parameter class.
Definition at line 3582 of file qgsprocessingparameters.h.
The documentation for this class was generated from the following files:
- /build/qgis-3.30.0+99sid/src/core/processing/qgsprocessingparameters.h
- /build/qgis-3.30.0+99sid/src/core/processing/qgsprocessingparameters.cpp
