Add processing parameter type definitions

python/core/core_auto.sip

@@ -177,6 +177,8 @@
 %Include processing/qgsprocessingcontext.sip
 %Include processing/qgsprocessingoutputs.sip
 %Include processing/qgsprocessingparameters.sip
+%Include processing/qgsprocessingparametertype.sip
+%Include processing/qgsprocessingparametertypeimpl.sip
 %Include processing/qgsprocessingutils.sip
 %Include processing/models/qgsprocessingmodelalgorithm.sip
 %Include processing/models/qgsprocessingmodelchildalgorithm.sip

python/core/processing/qgsprocessingparameterregistry.sip.in

@@ -0,0 +1,77 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparameterregistry.h                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/
+
+
+class QgsProcessingParameterType
+{
+%Docstring
+Makes metadata of processing parameters available.
+
+.. versionadded:: 3.2
+%End
+
+%TypeHeaderCode
+#include "qgsprocessingparameterregistry.h"
+%End
+  public:
+
+    virtual QgsProcessingParameterDefinition *create( const QString &name ) const = 0 /Factory/;
+%Docstring
+Creates a new parameter of this type.
+%End
+
+    virtual QString description() const = 0;
+%Docstring
+A human readable and translatable description for this parameter type.
+This can be a longer description suitable for tooltips and other elements
+that give the user context for a given parameter.
+%End
+
+    virtual QString name() const = 0;
+%Docstring
+A human readable and translatable short name for this parameter type.
+This will be used in comboboxes and list widgets.
+%End
+
+    virtual QString id() const = 0;
+%Docstring
+A static id for this type which will be used for storing this parameter type.
+%End
+};
+
+class QgsProcessingParameterTypeRegistry : QObject
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparameterregistry.h"
+%End
+  public:
+    explicit QgsProcessingParameterTypeRegistry( QObject *parent = 0 );
+
+    void registerParameter( QgsProcessingParameterType *type /Transfer/ );
+
+    void unregisterParameter( QgsProcessingParameterType *type );
+
+    QgsProcessingParameterType *parameterType( const QString &id ) const;
+
+    QList<QgsProcessingParameterType *> parameterTypes() const;
+
+  signals:
+    void parameterRegistered( QgsProcessingParameterType *type );
+
+    void parameterUnregistered( QgsProcessingParameterType *type );
+
+};
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparameterregistry.h                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/

python/core/processing/qgsprocessingparametertype.sip.in

@@ -0,0 +1,55 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparametertype.h                     *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/
+
+
+class QgsProcessingParameterType
+{
+%Docstring
+Makes metadata of processing parameters available.
+
+.. versionadded:: 3.2
+%End
+
+%TypeHeaderCode
+#include "qgsprocessingparametertype.h"
+%End
+  public:
+
+    virtual QgsProcessingParameterDefinition *create( const QString &name ) const = 0 /Factory/;
+%Docstring
+Creates a new parameter of this type.
+%End
+
+    virtual ~QgsProcessingParameterType();
+
+    virtual QString description() const = 0;
+%Docstring
+A human readable and translatable description for this parameter type.
+This can be a longer description suitable for tooltips and other elements
+that give the user context for a given parameter.
+%End
+
+    virtual QString name() const = 0;
+%Docstring
+A human readable and translatable short name for this parameter type.
+This will be used in comboboxes and list widgets.
+%End
+
+    virtual QString id() const = 0;
+%Docstring
+A static id for this type which will be used for storing this parameter type.
+%End
+};
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparametertype.h                     *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/

python/core/processing/qgsprocessingparametertypeimpl.sip.in

@@ -0,0 +1,170 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparametertypeimpl.h                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/
+
+
+
+class QgsProcessingParameterTypeRasterLayer : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeVectorLayer : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeBoolean : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeCrs : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeRange : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypePoint : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeEnum : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeExtent : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeMatrix : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeFile : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeField : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeVectorDestination : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeFileDestination : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeFolderDestination : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeRasterDestination : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeString : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeMultipleLayers : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeFeatureSource : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+class QgsProcessingParameterTypeNumber : QgsProcessingParameterType
+{
+
+%TypeHeaderCode
+#include "qgsprocessingparametertypeimpl.h"
+%End
+};
+
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/processing/qgsprocessingparametertypeimpl.h                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
+ ************************************************************************/

python/core/processing/qgsprocessingregistry.sip.in

@@ -9,6 +9,7 @@
 
 
 
+
 class QgsProcessingRegistry : QObject
 {
 %Docstring
@@ -106,6 +107,41 @@ according to some user configuration.
 .. seealso:: :py:func:`algorithmById`
 %End
 
+    void addParameterType( QgsProcessingParameterType *type );
+%Docstring
+Register a new parameter type for processing.
+Will emit parameterTypeAdded
+
+.. seealso:: :py:func:`removeParameterType`
+
+.. versionadded:: 3.2
+%End
+
+    void removeParameterType( QgsProcessingParameterType *type );
+%Docstring
+Unregister a custom parameter type from processing.
+Will emit parameterTypeRemoved
+
+.. seealso:: :py:func:`addParameterType`
+
+.. versionadded:: 3.2
+%End
+
+    QgsProcessingParameterType *parameterType( const QString &id ) const;
+%Docstring
+Return the parameter type registered for ``id``.
+
+.. versionadded:: 3.2
+%End
+
+    QList<QgsProcessingParameterType *> parameterTypes() const;
+%Docstring
+Return a list with all known parameter types.
+
+.. versionadded:: 3.2
+%End
+
+
   signals:
 
     void providerAdded( const QString &id );
@@ -116,6 +152,21 @@ Emitted when a provider has been added to the registry.
     void providerRemoved( const QString &id );
 %Docstring
 Emitted when a provider is removed from the registry
+%End
+
+    void parameterTypeAdded( QgsProcessingParameterType *type );
+%Docstring
+Emitted when a new parameter type has been added to the registry.
+
+.. versionadded:: 3.2
+%End
+
+    void parameterTypeRemoved( QgsProcessingParameterType *type );
+%Docstring
+Emitted when a parameter type has been removed from the
+registry and is about to be deleted.
+
+.. versionadded:: 3.2
 %End
 
   private: