Class: QgsLayoutItemRegistry¶
Registry of available layout item types.
QgsLayoutItemRegistry
is not usually directly created, but
rather accessed through QgsApplication.layoutItemRegistry()
.
A companion class, QgsLayoutItemGuiRegistry
, handles the GUI
behavior of layout items.
Class Hierarchy¶
Base classes¶
Methods
Registers a new layout item type. |
|
Registers a new layout multiframe type. |
|
Creates a new instance of a layout item given the item type, and target layout. |
|
Creates a new instance of a layout multiframe given the multiframe type, and target layout. |
|
Returns the metadata for the specified item type. |
|
Returns a map of available item types to translated name. |
|
Returns the metadata for the specified multiframe type. |
|
Populates the registry with standard item types. |
|
Unregisters a layout item type. |
|
Unregisters a layout multiframe type. |
|
Resolve paths in properties of a particular symbol layer. |
Signals
Emitted whenever a new multiframe type is added to the registry, with the specified type and visible name. |
|
Emitted whenever an multiframe type is removed from the registry with the specified type. |
|
Emitted whenever a new item type is added to the registry, with the specified type and visible name. |
|
Emitted whenever an item type is removed from the registry with the specified type. |
Attributes
- class qgis.core.QgsLayoutItemRegistry[source]¶
Bases:
QObject
- __init__(parent: QObject | None = None)
Creates a new empty item registry.
QgsLayoutItemRegistry is not usually directly created, but rather accessed through
QgsApplication.layoutItemRegistry()
.See also
- Parameters:
parent (Optional[QObject] = None)
- class ItemType¶
Bases:
int
- Layout3DMap = 65651¶
- LayoutAttributeTable = 65649¶
- LayoutElevationProfile = 65654¶
- LayoutFrame = 65647¶
- LayoutGroup = 65637¶
- LayoutHtml = 65648¶
- LayoutItem = 65636¶
- LayoutLabel = 65641¶
- LayoutLegend = 65642¶
- LayoutManualTable = 65652¶
- LayoutMap = 65639¶
- LayoutMarker = 65653¶
- LayoutPage = 65638¶
- LayoutPicture = 65640¶
- LayoutPolygon = 65644¶
- LayoutPolyline = 65645¶
- LayoutScaleBar = 65646¶
- LayoutShape = 65643¶
- LayoutTextTable = 65650¶
- PluginItem = 75650¶
- addLayoutItemType(self, metadata: QgsLayoutItemAbstractMetadata | None) bool [source]¶
Registers a new layout item type. Takes ownership of the metadata instance.
See also
- Parameters:
metadata (Optional[QgsLayoutItemAbstractMetadata])
- Return type:
bool
- addLayoutMultiFrameType(self, metadata: QgsLayoutMultiFrameAbstractMetadata | None) bool [source]¶
Registers a new layout multiframe type. Takes ownership of the metadata instance.
See also
- Parameters:
metadata (Optional[QgsLayoutMultiFrameAbstractMetadata])
- Return type:
bool
- createItem(self, type: int, layout: QgsLayout | None) QgsLayoutItem | None [source]¶
Creates a new instance of a layout item given the item
type
, and targetlayout
.See also
- Parameters:
type (int)
layout (Optional[QgsLayout])
- Return type:
Optional[QgsLayoutItem]
- createMultiFrame(self, type: int, layout: QgsLayout | None) QgsLayoutMultiFrame | None [source]¶
Creates a new instance of a layout multiframe given the multiframe
type
, and targetlayout
.See also
- Parameters:
type (int)
layout (Optional[QgsLayout])
- Return type:
Optional[QgsLayoutMultiFrame]
- itemMetadata(self, type: int) QgsLayoutItemAbstractMetadata | None [source]¶
Returns the metadata for the specified item
type
. ReturnsNone
if a corresponding type was not found in the registry.See also
- Parameters:
type (int)
- Return type:
Optional[QgsLayoutItemAbstractMetadata]
- itemTypes(self) Dict[int, str] ¶
Returns a map of available item types to translated name.
- Return type:
Dict[int, str]
- multiFrameMetadata(self, type: int) QgsLayoutMultiFrameAbstractMetadata | None [source]¶
Returns the metadata for the specified multiframe
type
. ReturnsNone
if a corresponding type was not found in the registry.See also
- Parameters:
type (int)
- Return type:
Optional[QgsLayoutMultiFrameAbstractMetadata]
- signal multiFrameTypeAdded(type: int, name: str)[source]¶
Emitted whenever a new multiframe type is added to the registry, with the specified
type
and visiblename
.- Parameters:
type (int)
name (str)
- signal multiFrameTypeRemoved(type: int)[source]¶
Emitted whenever an multiframe type is removed from the registry with the specified
type
.Added in version 4.0.
- Parameters:
type (int)
- populate(self) bool [source]¶
Populates the registry with standard item types. If called on a non-empty registry then this will have no effect and will return
False
.- Return type:
bool
- removeLayoutItemType(self, typeId: int) bool [source]¶
Unregisters a layout item type.
Added in version 4.0.
- Parameters:
typeId (int)
- Return type:
bool
- removeLayoutItemType(self, metadata: QgsLayoutItemAbstractMetadata | None) bool [source]
Unregisters a layout item type.
The
metadata
object will be deleted and should not be used after this call.Added in version 4.0.
- Parameters:
metadata (Optional[QgsLayoutItemAbstractMetadata])
- Return type:
bool
- removeLayoutMultiFrameType(self, typeId: int) bool [source]¶
Unregisters a layout multiframe type.
Added in version 4.0.
- Parameters:
typeId (int)
- Return type:
bool
- removeLayoutMultiFrameType(self, metadata: QgsLayoutMultiFrameAbstractMetadata | None) bool [source]
Unregisters a layout multiframe type.
The
metadata
object will be deleted and should not be used after this call.Added in version 4.0.
- Parameters:
metadata (Optional[QgsLayoutMultiFrameAbstractMetadata])
- Return type:
bool
- resolvePaths(self, type: int, properties: Dict[str, Any], pathResolver: QgsPathResolver, saving: bool)[source]¶
Resolve paths in properties of a particular symbol layer. This normally means converting relative paths to absolute paths when loading and converting absolute paths to relative paths when saving.
- Parameters:
type (int)
properties (Dict[str, Any])
pathResolver (QgsPathResolver)
saving (bool)