QgsLayerMetadataResultsModel Class Reference

The QgsLayerMetadataResultsModel class handles the metadata fetching from the registered layer metadata providers. More...

#include <qgslayermetadataresultsmodel.h>

Inheritance diagram for QgsLayerMetadataResultsModel:

Public Types
enum class	CustomRole : int { Metadata = Qt::ItemDataRole::UserRole }
	The Roles enum represents the user roles for the model. More...
enum	Sections {   Identifier , Title , Abstract , DataProviderName ,   GeometryType }
	The Sections enum represents the data columns. More...

Public Slots
void	cancel ()
	Cancels the results fetching. More...
void	resultsReady (const QgsLayerMetadataSearchResults &results)
	Triggered when metadata results have been fetched and can be added to the model. More...

Signals
void	progressChanged (int progress)
	Emitted when the progress changed to progress. More...

Public Member Functions
	QgsLayerMetadataResultsModel (const QgsMetadataSearchContext &searchContext, QObject *parent=nullptr)
	Constructs a QgsLayerMetadataResultsModel from a searchContext and an optional parent. More...
	~QgsLayerMetadataResultsModel ()
int	columnCount (const QModelIndex &parent) const override
QVariant	data (const QModelIndex &index, int role) const override
QVariant	headerData (int section, Qt::Orientation orientation, int role) const override
void	reload ()
	Load/Reload model data synchronously. More...
void	reloadAsync ()
	Load/Reload model data asynchronously using threads. More...
int	rowCount (const QModelIndex &parent) const override

Detailed Description

The QgsLayerMetadataResultsModel class handles the metadata fetching from the registered layer metadata providers.

Since

QGIS 3.28

Definition at line 72 of file qgslayermetadataresultsmodel.h.

Member Enumeration Documentation

CustomRole

enum class QgsLayerMetadataResultsModel::CustomRole : int

strong

The Roles enum represents the user roles for the model.

Note

Prior to QGIS 3.36 this was available as QgsLayerMetadataResultsModel::Roles

Since

QGIS 3.36

Enumerator
Metadata	Layer metadata role.

Definition at line 108 of file qgslayermetadataresultsmodel.h.

Sections

enum QgsLayerMetadataResultsModel::Sections

The Sections enum represents the data columns.

Enumerator
Identifier	Metadata identifier.
Title	Metadata title.
Abstract	Metadata abstract.
DataProviderName	Layer data provider name.
GeometryType	Layer geometry type.

Definition at line 118 of file qgslayermetadataresultsmodel.h.

Constructor & Destructor Documentation

QgsLayerMetadataResultsModel()

QgsLayerMetadataResultsModel::QgsLayerMetadataResultsModel ( const QgsMetadataSearchContext &  searchContext, QObject *  parent = nullptr  )

explicit

Constructs a QgsLayerMetadataResultsModel from a searchContext and an optional parent.

Definition at line 26 of file qgslayermetadataresultsmodel.cpp.

~QgsLayerMetadataResultsModel()

QgsLayerMetadataResultsModel::~QgsLayerMetadataResultsModel

(

)

Definition at line 34 of file qgslayermetadataresultsmodel.cpp.

Member Function Documentation

cancel

void QgsLayerMetadataResultsModel::cancel ( )

slot

Cancels the results fetching.

Definition at line 198 of file qgslayermetadataresultsmodel.cpp.

columnCount()

int QgsLayerMetadataResultsModel::columnCount ( const QModelIndex &  parent ) const

override

Definition at line 44 of file qgslayermetadataresultsmodel.cpp.

data()

QVariant QgsLayerMetadataResultsModel::data ( const QModelIndex &  index, int  role  ) const

override

Definition at line 49 of file qgslayermetadataresultsmodel.cpp.

headerData()

QVariant QgsLayerMetadataResultsModel::headerData ( int  section, Qt::Orientation  orientation, int  role  ) const

override

Definition at line 117 of file qgslayermetadataresultsmodel.cpp.

progressChanged

void QgsLayerMetadataResultsModel::progressChanged ( int  progress )

signal

Emitted when the progress changed to progress.

reload()

void QgsLayerMetadataResultsModel::reload

(

)

Load/Reload model data synchronously.

Definition at line 142 of file qgslayermetadataresultsmodel.cpp.

reloadAsync()

void QgsLayerMetadataResultsModel::reloadAsync

(

)

Load/Reload model data asynchronously using threads.

Definition at line 160 of file qgslayermetadataresultsmodel.cpp.

resultsReady

void QgsLayerMetadataResultsModel::resultsReady ( const QgsLayerMetadataSearchResults &  results )

slot

Triggered when metadata results have been fetched and can be added to the model.

Definition at line 186 of file qgslayermetadataresultsmodel.cpp.

rowCount()

int QgsLayerMetadataResultsModel::rowCount ( const QModelIndex &  parent ) const

override

Definition at line 39 of file qgslayermetadataresultsmodel.cpp.

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The documentation for this class was generated from the following files:

• /build/qgis-3.37.0+git20240325+fdefdf9c27f+17bookworm/src/gui/qgslayermetadataresultsmodel.h
• /build/qgis-3.37.0+git20240325+fdefdf9c27f+17bookworm/src/gui/qgslayermetadataresultsmodel.cpp