mirror of
https://github.com/qgis/QGIS.git
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365 lines
8.9 KiB
Plaintext
365 lines
8.9 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsmaplayerstore.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsMapLayerStore : QObject
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{
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%Docstring
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A storage object for map layers, in which the layers are owned by the
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store and have their lifetime bound to the store.
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.. versionadded:: 3.0
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%End
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%TypeHeaderCode
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#include "qgsmaplayerstore.h"
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%End
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public:
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explicit QgsMapLayerStore( QObject *parent /TransferThis/ = 0 );
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%Docstring
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Constructor for QgsMapLayerStore.
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%End
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~QgsMapLayerStore();
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int count() const;
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%Docstring
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Returns the number of layers contained in the store.
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%End
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int validCount() const;
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%Docstring
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Returns the number of valid layers contained in the store.
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.. versionadded:: 3.6
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%End
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int __len__() const;
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%Docstring
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Returns the number of layers contained in the store.
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%End
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%MethodCode
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sipRes = sipCpp->count();
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%End
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//! Ensures that bool(obj) returns true (otherwise __len__() would be used)
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int __bool__() const;
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%MethodCode
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sipRes = true;
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%End
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QgsMapLayer *mapLayer( const QString &id ) const;
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%Docstring
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Retrieve a pointer to a layer by layer ``id``.
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:param id: ID of layer to retrieve
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:return: matching layer, or None if no matching layer found
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.. seealso:: :py:func:`mapLayersByName`
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.. seealso:: :py:func:`mapLayers`
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%End
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QList<QgsMapLayer *> mapLayersByName( const QString &name ) const;
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%Docstring
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Retrieve a list of matching layers by layer ``name``.
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:param name: name of layers to match
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:return: list of matching layers
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.. seealso:: :py:func:`mapLayer`
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.. seealso:: :py:func:`mapLayers`
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%End
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QMap<QString, QgsMapLayer *> mapLayers() const;
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%Docstring
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Returns a map of all layers by layer ID.
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.. seealso:: :py:func:`mapLayer`
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.. seealso:: :py:func:`mapLayersByName`
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.. seealso:: :py:func:`layers`
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%End
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QMap<QString, QgsMapLayer *> validMapLayers() const;
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%Docstring
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Returns a map of all valid layers by layer ID.
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.. seealso:: :py:func:`mapLayer`
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.. seealso:: :py:func:`mapLayersByName`
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.. seealso:: :py:func:`layers`
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.. versionadded:: 3.6
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%End
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QList<QgsMapLayer *> addMapLayers( const QList<QgsMapLayer *> &layers /Transfer/);
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%Docstring
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Add a list of ``layers`` to the store. Ownership of the layers is transferred
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to the store.
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The layersAdded() and layerWasAdded() signals will always be emitted.
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:param layers: A list of layer which should be added to the store.
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:return: a list of the map layers that were added
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successfully. If a layer already exists in the store,
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it will not be part of the returned list.
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.. seealso:: :py:func:`addMapLayer`
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%End
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QgsMapLayer *addMapLayer( QgsMapLayer *layer /Transfer/);
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%Docstring
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Add a ``layer`` to the store. Ownership of the layer is transferred to the
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store.
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The layersAdded() and layerWasAdded() signals will always be emitted.
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If you are adding multiple layers at once, you should use
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addMapLayers() instead.
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:param layer: A layer to add to the store
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:return: None if unable to add layer, otherwise pointer to newly added layer
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.. seealso:: :py:func:`addMapLayers`
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.. note::
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Use addMapLayers() if adding more than one layer at a time.
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.. seealso:: :py:func:`addMapLayers`
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%End
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void removeMapLayers( const QStringList &layerIds ) /PyName=removeMapLayersById/;
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%Docstring
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Remove a set of layers from the store by layer ID.
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The specified layers will be removed from the store.
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These layers will also be deleted.
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:param layerIds: list of IDs of the layers to remove
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.. seealso:: :py:func:`takeMapLayer`
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.. seealso:: :py:func:`removeMapLayer`
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.. seealso:: :py:func:`removeAllMapLayers`
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.. note::
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available in Python bindings as removeMapLayersById.
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%End
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void removeMapLayers( const QList<QgsMapLayer *> &layers );
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%Docstring
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Remove a set of ``layers`` from the store.
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The specified layers will be removed from the store.
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These layers will also be deleted.
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:param layers: A list of layers to remove. Null pointers are ignored.
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.. seealso:: :py:func:`takeMapLayer`
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.. seealso:: :py:func:`removeMapLayer`
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.. seealso:: :py:func:`removeAllMapLayers`
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%End
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void removeMapLayer( const QString &id );
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%Docstring
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Remove a layer from the store by layer ``id``.
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The specified layer will be removed from the store. The layer will also be deleted.
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:param id: ID of the layer to remove
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.. seealso:: :py:func:`takeMapLayer`
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.. seealso:: :py:func:`removeMapLayers`
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.. seealso:: :py:func:`removeAllMapLayers`
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%End
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void removeMapLayer( QgsMapLayer *layer );
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%Docstring
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Remove a ``layer`` from the store.
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The specified layer will be removed from the store. The layer will also be deleted.
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:param layer: The layer to remove. Null pointers are ignored.
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.. seealso:: :py:func:`takeMapLayer`
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.. seealso:: :py:func:`removeMapLayers`
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.. seealso:: :py:func:`removeAllMapLayers`
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%End
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QgsMapLayer *takeMapLayer( QgsMapLayer *layer ) /TransferBack/;
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%Docstring
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Takes a ``layer`` from the store. If the layer was owned by the store, the
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layer will be returned without deleting it. The caller takes ownership of
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the layer and is responsible for deleting it.
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.. seealso:: :py:func:`removeMapLayer`
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%End
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void removeAllMapLayers();
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%Docstring
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Removes all registered layers. These layers will also be deleted.
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.. note::
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Calling this method will cause the removeAll() signal to
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be emitted.
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.. seealso:: :py:func:`removeMapLayer`
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.. seealso:: :py:func:`removeMapLayers`
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%End
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void transferLayersFromStore( QgsMapLayerStore *other );
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%Docstring
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Transfers all the map layers contained within another map layer store and adds
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them to this store.
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Note that ``other`` and this store must have the same thread affinity.
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%End
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signals:
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void layersWillBeRemoved( const QStringList &layerIds );
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%Docstring
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Emitted when one or more layers are about to be removed from the store.
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:param layerIds: A list of IDs for the layers which are to be removed.
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.. seealso:: :py:func:`layerWillBeRemoved`
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.. seealso:: :py:func:`layersRemoved`
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%End
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void layersWillBeRemoved( const QList<QgsMapLayer *> &layers );
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%Docstring
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Emitted when one or more layers are about to be removed from the store.
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:param layers: A list of layers which are to be removed.
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.. seealso:: :py:func:`layerWillBeRemoved`
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.. seealso:: :py:func:`layersRemoved`
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%End
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void layerWillBeRemoved( const QString &layerId );
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%Docstring
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Emitted when a layer is about to be removed from the store.
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:param layerId: The ID of the layer to be removed.
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.. note::
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Consider using layersWillBeRemoved() instead.
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.. seealso:: :py:func:`layersWillBeRemoved`
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.. seealso:: :py:func:`layerRemoved`
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%End
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void layerWillBeRemoved( QgsMapLayer *layer );
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%Docstring
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Emitted when a layer is about to be removed from the store.
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:param layer: The layer to be removed.
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.. note::
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Consider using layersWillBeRemoved() instead.
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.. seealso:: :py:func:`layersWillBeRemoved`
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.. seealso:: :py:func:`layerRemoved`
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%End
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void layersRemoved( const QStringList &layerIds );
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%Docstring
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Emitted after one or more layers were removed from the store.
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:param layerIds: A list of IDs of the layers which were removed.
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.. seealso:: :py:func:`layersWillBeRemoved`
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%End
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void layerRemoved( const QString &layerId );
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%Docstring
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Emitted after a layer was removed from the store.
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:param layerId: The ID of the layer removed.
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.. note::
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Consider using layersRemoved() instead
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.. seealso:: :py:func:`layerWillBeRemoved`
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%End
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void allLayersRemoved();
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%Docstring
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Emitted when all layers are removed, before layersWillBeRemoved() and
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layerWillBeRemoved() signals are emitted. The layersWillBeRemoved() and
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layerWillBeRemoved() signals will still be emitted following this signal.
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You can use this signal to do easy (and fast) cleanup.
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%End
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void layersAdded( const QList<QgsMapLayer *> &layers );
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%Docstring
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Emitted when one or more layers were added to the store.
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:param layers: List of layers which have been added.
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.. seealso:: :py:func:`layerWasAdded`
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%End
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void layerWasAdded( QgsMapLayer *layer );
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%Docstring
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Emitted when a ``layer`` was added to the store.
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.. note::
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Consider using layersAdded() instead
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.. seealso:: :py:func:`layersAdded`
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsmaplayerstore.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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