mirror of
https://github.com/qgis/QGIS.git
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259 lines
7.3 KiB
Plaintext
259 lines
7.3 KiB
Plaintext
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typedef qint64 QgsFeatureId;
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// key = field index, value = field value
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typedef QMap<int, QVariant> QgsAttributeMap;
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typedef QVector<QVariant> QgsAttributes;
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// key = feature id, value = changed attributes
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typedef QMap<qint64, QMap<int, QVariant> > QgsChangedAttributesMap;
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// key = feature id, value = changed geometry
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typedef QMap<qint64, QgsGeometry> QgsGeometryMap;
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// key = field index, value = field name
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typedef QMap<int, QString> QgsFieldNameMap;
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typedef QList<QgsFeature> QgsFeatureList;
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typedef QMap<int, QgsField> QgsFieldMap;
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class QgsFeature
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{
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%TypeHeaderCode
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#include <qgsfeature.h>
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#if (SIP_VERSION >= 0x040900 && SIP_VERSION < 0x040c01)
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#define sipClass_QVariant ((sipWrapperType *) sipTypeAsPyTypeObject (sipType_QVariant))
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#endif
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%End
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public:
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SIP_PYOBJECT __getattr__(const QString& name);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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QString altname = QString(*a0).replace("_"," ");
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int altfieldIdx = sipCpp->fieldNameIndex(altname);
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if (fieldIdx >= 0)
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{
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QVariant* v = new QVariant( sipCpp->attribute(fieldIdx) );
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sipRes = sipConvertFromInstance(v, sipClass_QVariant, Py_None);
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}
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else if( altfieldIdx >= 0 )
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{
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QVariant* v = new QVariant( sipCpp->attribute(altfieldIdx) );
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sipRes = sipConvertFromInstance(v, sipClass_QVariant, Py_None);
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}
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else
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{
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PyObject* key = PyString_FromString(a0->toStdString().c_str());
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sipRes = PyObject_GenericGetAttr(sipSelf, key );
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}
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%End
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void __setattr__(const QString& key, QVariant value);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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QString altname = QString(*a0).replace("_"," ");
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int altfieldIdx = sipCpp->fieldNameIndex(altname);
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if (fieldIdx >= 0)
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{
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sipCpp->setAttribute(fieldIdx, *a1);
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}
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else if( altfieldIdx >= 0 )
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{
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sipCpp->setAttribute(altfieldIdx, *a1);
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}
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else
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{
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PyObject* key = PyString_FromString(a0->toStdString().c_str());
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PyObject* value = sipConvertFromType( a1, sipType_QVariant, sipSelf);
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PyObject_GenericSetAttr(sipSelf, key, value);
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}
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%End
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void __delattr__(const QString& key);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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if (fieldIdx == -1)
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PyErr_SetString(PyExc_KeyError, a0->toAscii());
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else
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sipCpp->deleteAttribute(fieldIdx);
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%End
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SIP_PYOBJECT __getitem__(int key);
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%MethodCode
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const QgsAttributes& attrs = sipCpp->attributes();
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if (a0 < 0 || a0 >= attrs.count())
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PyErr_SetString(PyExc_KeyError, QByteArray::number(a0));
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else
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{
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QVariant* v = new QVariant(attrs[a0]);
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sipRes = sipConvertFromInstance(v, sipClass_QVariant, Py_None);
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}
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%End
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SIP_PYOBJECT __getitem__(const QString& name);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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if (fieldIdx == -1)
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PyErr_SetString(PyExc_KeyError, a0->toAscii());
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else
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{
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QVariant* v = new QVariant( sipCpp->attribute(fieldIdx) );
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sipRes = sipConvertFromInstance(v, sipClass_QVariant, Py_None);
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}
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%End
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void __setitem__(int key, QVariant value);
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%MethodCode
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sipCpp->setAttribute(a0, *a1);
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%End
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void __setitem__(const QString& key, QVariant value);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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if (fieldIdx == -1)
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PyErr_SetString(PyExc_KeyError, a0->toAscii());
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else
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{
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sipCpp->setAttribute(fieldIdx, *a1);
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}
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%End
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void __delitem__(int key);
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%MethodCode
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if (a0 >= 0 && a0 < sipCpp->attributes().count())
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sipCpp->deleteAttribute(a0);
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else
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PyErr_SetString(PyExc_KeyError, QByteArray::number(a0));
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%End
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void __delitem__(const QString& name);
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex(*a0);
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if (fieldIdx == -1)
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PyErr_SetString(PyExc_KeyError, a0->toAscii());
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else
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sipCpp->deleteAttribute(fieldIdx);
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%End
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//! Constructor
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QgsFeature( qint64 id = 0 );
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QgsFeature( const QgsFields& fields, qint64 id = 0 );
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/** copy ctor needed due to internal pointer */
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QgsFeature( const QgsFeature & rhs );
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//! Destructor
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~QgsFeature();
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/**
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* Get the feature id for this feature
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* @return Feature id
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*/
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qint64 id() const;
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/**
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* Set the feature id for this feature
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* @param id Feature id
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*/
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void setFeatureId( qint64 id );
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const QgsAttributes& attributes() const;
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//QgsAttributes& attributes();
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void setAttributes(const QgsAttributes& attrs);
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bool setAttribute( int field, const QVariant& attr );
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void initAttributes( int fieldCount );
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/**Deletes an attribute and its value*/
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void deleteAttribute( int field );
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/**
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* Return the validity of this feature. This is normally set by
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* the provider to indicate some problem that makes the feature
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* invalid or to indicate a null feature.
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*/
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bool isValid() const;
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/**
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* Set the validity of the feature.
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*/
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void setValid( bool validity );
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/**
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* Get the geometry object associated with this feature
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*/
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QgsGeometry *geometry();
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/**
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* Get the geometry object associated with this feature
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* The caller assumes responsibility for the QgsGeometry*'s destruction.
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*/
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QgsGeometry *geometryAndOwnership() /Factory/;
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/** Set this feature's geometry from another QgsGeometry object (deep copy)
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*/
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void setGeometry( const QgsGeometry& geom );
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/** Set this feature's geometry (takes geometry ownership)
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* @note not available in python bindings
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*/
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// void setGeometry( QgsGeometry* geom /Transfer/ );
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/**
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* Set this feature's geometry from WKB
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*
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* This feature assumes responsibility for destroying geom.
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*/
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void setGeometryAndOwnership( unsigned char * geom /Transfer/, size_t length );
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/** Assign a field map with the feature to allow attribute access by
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* attribute name
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*
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* @param fields The attribute fields which this feature holds
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* @param initAttributes If true, attributes are initialized. Clears any
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* data previously assigned.
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* C++: Defaults to false
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* Python: Defaults to true
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* @note added in 2.0
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*/
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void setFields( const QgsFields* fields, bool initAttributes = true );
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/** Get associated field map. may be NULL
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* @note added in 2.0
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*/
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const QgsFields* fields() const;
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/** Insert a value into attribute. Returns false if attribute name could not be converted to index.
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* Field map must be associated to make this work.
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* @note added in 2.0
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*/
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bool setAttribute( const QString& name, QVariant value );
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/** Remove an attribute value. Returns false if attribute name could not be converted to index.
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* Field map must be associated to make this work.
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* @note added in 2.0
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*/
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bool deleteAttribute( const QString& name );
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/** Lookup attribute value from attribute name. Returns invalid variant if attribute name could not be converted to index.
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* Field map must be associated to make this work.
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* @note added in 2.0
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*/
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QVariant attribute( const QString& name ) const;
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/** Utility method to get attribute index from name. Returns -1 if field does not exist or field map is not associated.
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* Field map must be associated to make this work.
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* @note added in 2.0
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*/
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int fieldNameIndex( const QString& fieldName ) const;
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}; // class QgsFeature
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typedef QSet<QgsFeatureId> QgsFeatureIds;
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