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https://github.com/qgis/QGIS.git
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ffaa40edc4
Remove QgsAbstractProperty and subclasses, and instead use a single QgsProperty class which covers the use of QgsAbstractProperty and its subclasses. This simplifies the API and avoids pointer handling. QgsProperty is implicitly shared for memory efficiency and inexpensive copies.
144 lines
4.9 KiB
Plaintext
144 lines
4.9 KiB
Plaintext
typedef QMap< int, QgsPropertyDefinition > QgsPropertiesDefinition;
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class QgsAbstractPropertyCollection
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{
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%TypeHeaderCode
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#include <qgspropertycollection.h>
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%End
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%ConvertToSubClassCode
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if ( dynamic_cast<QgsPropertyCollection*>(sipCpp) )
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sipType = sipType_QgsPropertyCollection;
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else if ( dynamic_cast<QgsPropertyCollectionStack*>(sipCpp) )
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sipType = sipType_QgsPropertyCollectionStack;
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else
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sipType = sipType_QgsAbstractPropertyCollection;
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%End
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public:
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QgsAbstractPropertyCollection( const QString& name = QString() );
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QString name() const;
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void setName( const QString& name );
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virtual QSet<int> propertyKeys() const = 0;
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virtual void clear() = 0;
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virtual bool hasProperty( int key ) const = 0;
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virtual QgsProperty property( int key ) const = 0;
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virtual QVariant value( int key, const QgsExpressionContext& context, const QVariant& defaultValue = QVariant() ) const = 0;
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QString valueAsString( int key, const QgsExpressionContext& context, const QString& defaultString = QString(), bool* ok /Out/ = nullptr ) const;
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QColor valueAsColor( int key, const QgsExpressionContext& context, const QColor& defaultColor = QColor(), bool* ok /Out/ = nullptr ) const;
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double valueAsDouble( int key, const QgsExpressionContext& context, double defaultValue = 0.0, bool* ok /Out/ = nullptr ) const;
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int valueAsInt( int key, const QgsExpressionContext& context, int defaultValue = 0, bool* ok /Out/ = nullptr ) const;
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bool valueAsBool( int key, const QgsExpressionContext& context, bool defaultValue = false, bool* ok /Out/ = nullptr ) const;
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virtual bool prepare( const QgsExpressionContext& context = QgsExpressionContext() ) const = 0;
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virtual QSet< QString > referencedFields( const QgsExpressionContext& context = QgsExpressionContext() ) const = 0;
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virtual bool isActive( int key ) const = 0;
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virtual bool hasActiveProperties() const = 0;
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virtual bool hasActiveDynamicProperties() const = 0;
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virtual bool writeXml( QDomElement& collectionElem, QDomDocument& doc, const QgsPropertiesDefinition& definitions ) const = 0;
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virtual bool readXml( const QDomElement& collectionElem, const QDomDocument& doc, const QgsPropertiesDefinition &definitions ) = 0;
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};
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class QgsPropertyCollection : QgsAbstractPropertyCollection
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{
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%TypeHeaderCode
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#include <qgspropertycollection.h>
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%End
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public:
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QgsPropertyCollection( const QString& name = QString() );
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~QgsPropertyCollection();
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QgsPropertyCollection( const QgsPropertyCollection& other );
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//QgsPropertyCollection& operator=( const QgsPropertyCollection& other );
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int count() const;
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QSet<int> propertyKeys() const;
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void clear();
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bool hasProperty( int key ) const;
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QgsProperty& property( int key );
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QVariant value( int key, const QgsExpressionContext& context, const QVariant& defaultValue = QVariant() ) const;
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bool prepare( const QgsExpressionContext& context = QgsExpressionContext() ) const;
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QSet< QString > referencedFields( const QgsExpressionContext& context = QgsExpressionContext() ) const;
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bool isActive( int key ) const;
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bool hasActiveProperties() const;
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bool hasActiveDynamicProperties() const;
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bool writeXml( QDomElement& collectionElem, QDomDocument& doc, const QgsPropertiesDefinition& definitions ) const;
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bool readXml( const QDomElement& collectionElem, const QDomDocument& doc, const QgsPropertiesDefinition& definitions );
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void setProperty( int key, const QgsProperty& property );
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void setProperty( int key, const QVariant& value );
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};
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class QgsPropertyCollectionStack : QgsAbstractPropertyCollection
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{
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%TypeHeaderCode
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#include <qgspropertycollection.h>
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%End
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public:
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QgsPropertyCollectionStack();
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~QgsPropertyCollectionStack();
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QgsPropertyCollectionStack( const QgsPropertyCollectionStack& other );
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//QgsPropertyCollectionStack& operator=( const QgsPropertyCollectionStack& other );
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int count() const;
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void clear();
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void appendCollection( QgsPropertyCollection* collection /Transfer/ );
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QgsPropertyCollection* at( int index );
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//const QgsPropertyCollection* at( int index ) const;
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QgsPropertyCollection* collection( const QString& name );
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bool hasActiveProperties() const;
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bool hasActiveDynamicProperties() const;
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bool isActive( int key ) const;
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QgsProperty property( int key ) const;
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QVariant value( int key, const QgsExpressionContext& context, const QVariant& defaultValue = QVariant() ) const;
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bool prepare( const QgsExpressionContext& context = QgsExpressionContext() ) const;
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QSet< QString > referencedFields( const QgsExpressionContext& context = QgsExpressionContext() ) const;
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QSet<int> propertyKeys() const;
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bool hasProperty( int key ) const;
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bool writeXml( QDomElement& collectionElem, QDomDocument& doc, const QgsPropertiesDefinition& definitions ) const;
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bool readXml( const QDomElement& collectionElem, const QDomDocument& doc, const QgsPropertiesDefinition &definitions );
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};
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