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93 lines
3.2 KiB
Plaintext
93 lines
3.2 KiB
Plaintext
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class QgsRendererV2AbstractMetadata
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{
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%TypeHeaderCode
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#include <qgsrendererv2registry.h>
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%End
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public:
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QgsRendererV2AbstractMetadata( QString name, QString visibleName, QIcon icon = QIcon() );
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virtual ~QgsRendererV2AbstractMetadata();
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QString name() const;
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QString visibleName() const;
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QIcon icon() const;
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void setIcon( const QIcon& icon );
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/** Return new instance of the renderer given the DOM element. Returns NULL on error.
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* Pure virtual function: must be implemented in derived classes. */
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virtual QgsFeatureRendererV2* createRenderer( QDomElement& elem ) = 0;
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/** Return new instance of settings widget for the renderer. Returns NULL on error. */
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virtual QgsRendererV2Widget* createRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ) /Factory/;
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virtual QgsFeatureRendererV2* createRendererFromSld( QDomElement& elem, QGis::GeometryType geomType ) /Factory/;
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};
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/**
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Convenience metadata class that uses static functions to create renderer and its widget.
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*/
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class QgsRendererV2Metadata : QgsRendererV2AbstractMetadata
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{
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%TypeHeaderCode
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#include <qgsrendererv2registry.h>
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%End
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public:
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/** construct metadata */
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QgsRendererV2Metadata( QString name,
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QString visibleName,
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QgsRendererV2CreateFunc pfCreate,
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QIcon icon = QIcon(),
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QgsRendererV2WidgetFunc pfWidget = NULL );
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QgsRendererV2Metadata( QString name,
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QString visibleName,
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QgsRendererV2CreateFunc pfCreate,
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QgsRendererV2CreateFromSldFunc pfCreateFromSld,
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QIcon icon = QIcon(),
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QgsRendererV2WidgetFunc pfWidget = NULL );
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{}
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virtual QgsFeatureRendererV2* createRenderer( QDomElement& elem ) /Factory/;
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virtual QgsRendererV2Widget* createRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ) /Factory/;
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virtual QgsFeatureRendererV2* createRendererFromSld( QDomElement& elem, QGis::GeometryType geomType ) /Factory/;
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QgsRendererV2CreateFunc createFunction() const;
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QgsRendererV2WidgetFunc widgetFunction() const;
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QgsFeatureRendererV2* (*)( QDomElement&, QGis::GeometryType geomType ) createFromSldFunction() const;
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void setWidgetFunction( QgsRendererV2WidgetFunc f );
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};
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/**
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Registry of renderers.
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This is a singleton, renderers can be added / removed at any time
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*/
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class QgsRendererV2Registry
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{
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%TypeHeaderCode
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#include <qgsrendererv2registry.h>
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%End
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public:
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static QgsRendererV2Registry* instance();
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//! add a renderer to registry. Takes ownership of the metadata object.
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bool addRenderer( QgsRendererV2AbstractMetadata* metadata /Transfer/ );
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//! remove renderer from registry
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bool removeRenderer( QString rendererName );
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//! get metadata for particular renderer. Returns NULL if not found in registry.
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QgsRendererV2AbstractMetadata* rendererMetadata( QString rendererName );
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//! return a list of available renderers
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QStringList renderersList();
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protected:
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//! protected constructor
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QgsRendererV2Registry();
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~QgsRendererV2Registry();
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};
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