QGIS API Documentation
3.14.0-Pi (9f7028fd23)
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#include <qgsfeaturepickermodel.h>
Signals | |
void | featureChanged (const QgsFeature &feature) |
Emitted when the current feature changes. More... | |
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void | allowNullChanged () |
Add a NULL entry to the list. More... | |
void | beginUpdate () |
Notification that the model is about to be changed because a job was completed. More... | |
void | displayExpressionChanged () |
The display expression will be used for. More... | |
void | endUpdate () |
Notification that the model change is finished. More... | |
void | extraIdentifierValueChanged () |
Allows specifying one value that does not need to match the filter criteria but will still be available in the model. More... | |
void | extraIdentifierValueIndexChanged (int index) |
The index at which the extra identifier value is available within the model. More... | |
void | extraValueDoesNotExistChanged () |
Flag indicating that the extraIdentifierValue does not exist in the data. More... | |
void | fetchGeometryChanged () |
Emitted when the fetching of the geometry changes. More... | |
void | fetchLimitChanged () |
Emitted when the fetching limit for the feature request changes. More... | |
void | filterExpressionChanged () |
An additional filter expression to apply, next to the filterValue. More... | |
void | filterJobCompleted () |
Indicates that a filter job has been completed and new data may be available. More... | |
void | filterValueChanged () |
This value will be used to filter the features available from this model. More... | |
void | isLoadingChanged () |
Indicator if the model is currently performing any feature iteration in the background. More... | |
void | sourceLayerChanged () |
The source layer from which features will be fetched. More... | |
Public Member Functions | |
QgsFeaturePickerModel (QObject *parent=nullptr) | |
Create a new QgsFeaturePickerModel, optionally specifying a parent. More... | |
QgsFeature | feature () const |
Returns the current feature. More... | |
void | setExtraIdentifierValueToNull () override |
Allows specifying one value that does not need to match the filter criteria but will still be available in the model as NULL value(s). More... | |
void | setFeature (const QgsFeatureId &fid) |
Set the feature to the given feature id. More... | |
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QgsFeaturePickerModelBase (QObject *parent=nullptr) | |
Create a new QgsFeaturePickerModelBase, optionally specifying a parent. More... | |
~QgsFeaturePickerModelBase () override | |
bool | allowNull () const |
Add a NULL entry to the list. More... | |
int | columnCount (const QModelIndex &parent) const override |
QVariant | data (const QModelIndex &index, int role) const override |
QString | displayExpression () const |
The display expression will be used for. More... | |
int | extraIdentifierValueIndex () const |
The index at which the extra identifier value is available within the model. More... | |
bool | extraValueDoesNotExist () const |
Flag indicating that the extraIdentifierValue does not exist in the data. More... | |
bool | fetchGeometry () const |
Returns if the geometry is fetched. More... | |
int | fetchLimit () const |
Returns the feature request fetch limit. More... | |
QString | filterExpression () const |
An additional filter expression to apply, next to the filterValue. More... | |
QString | filterValue () const |
This value will be used to filter the features available from this model. More... | |
QModelIndex | index (int row, int column, const QModelIndex &parent) const override |
bool | isLoading () const |
Indicator if the model is currently performing any feature iteration in the background. More... | |
QModelIndex | parent (const QModelIndex &child) const override |
int | rowCount (const QModelIndex &parent) const override |
void | setAllowNull (bool allowNull) |
Add a NULL entry to the list. More... | |
void | setDisplayExpression (const QString &displayExpression) |
The display expression will be used for. More... | |
void | setFetchGeometry (bool fetchGeometry) |
Defines if the geometry will be fetched. More... | |
void | setFetchLimit (int fetchLimit) |
Defines the feature request fetch limit If set to 0, no limit is applied when fetching. More... | |
void | setFilterExpression (const QString &filterExpression) |
An additional filter expression to apply, next to the filterValue. More... | |
void | setFilterValue (const QString &filterValue) |
This value will be used to filter the features available from this model. More... | |
void | setSourceLayer (QgsVectorLayer *sourceLayer) |
The source layer from which features will be fetched. More... | |
QgsVectorLayer * | sourceLayer () const |
The source layer from which features will be fetched. More... | |
Additional Inherited Members | |
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enum | Role { IdentifierValueRole = Qt::UserRole, IdentifierValuesRole, ValueRole, FeatureRole, FeatureIdRole } |
Extra roles that can be used to fetch data from this model. More... | |
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QVariant | extraIdentifierValue () const |
Allows specifying one value that does not need to match the filter criteria but will still be available in the model. More... | |
virtual QSet< QString > | requestedAttributes () const |
Returns the attributes to be fetched in the request. More... | |
void | setExtraIdentifierValue (const QVariant &extraIdentifierValue) |
Allows specifying one value that does not need to match the filter criteria but will still be available in the model. More... | |
void | setExtraIdentifierValueUnguarded (const QVariant &identifierValue) |
This will set the identifier value to be set in the model even if it doesn't exist currently in the data. More... | |
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QVector< QgsFeatureExpressionValuesGatherer::Entry > | mEntries |
QVariant | mExtraIdentifierValue |
The current identifier value. More... | |
int | mExtraValueIndex = -1 |
The current index. More... | |
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bool | allowNull |
QString | displayExpression |
int | extraIdentifierValueIndex |
bool | fetchGeometry |
int | fetchLimit |
QString | filterExpression |
QString | filterValue |
QgsVectorLayer | sourceLayer |
Provides a list of features based on filter conditions. Features are fetched asynchronously.
Definition at line 31 of file qgsfeaturepickermodel.h.
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explicit |
Create a new QgsFeaturePickerModel, optionally specifying a parent.
Definition at line 24 of file qgsfeaturepickermodel.cpp.
QgsFeature QgsFeaturePickerModel::feature | ( | ) | const |
Returns the current feature.
Definition at line 74 of file qgsfeaturepickermodel.cpp.
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signal |
Emitted when the current feature changes.
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overridevirtual |
Allows specifying one value that does not need to match the filter criteria but will still be available in the model as NULL value(s).
Implements QgsFeaturePickerModelBase.
Definition at line 64 of file qgsfeaturepickermodel.cpp.
void QgsFeaturePickerModel::setFeature | ( | const QgsFeatureId & | fid | ) |
Set the feature to the given feature id.
Definition at line 69 of file qgsfeaturepickermodel.cpp.