Class: QgsRuleBasedRendererModel

class qgis.gui.QgsRuleBasedRendererModel

Bases: PyQt5.QtCore.QAbstractItemModel

Tree model for the rules:

(invalid) == root node +— top level rule +— top level rule

QgsRuleBasedRendererModel(renderer: Optional[QgsRuleBasedRenderer], parent: Optional[QObject], screen: Optional[QScreen] = None) Constructor for QgsRuleBasedRendererModel, for the specified renderer.

Methods

beginInsertColumns
beginInsertRows
beginMoveColumns
beginMoveRows
beginRemoveColumns
beginRemoveRows
beginResetModel
changePersistentIndex
changePersistentIndexList
childEvent
clearFeatureCounts
columnCount	param a0:
connectNotify
createIndex
customEvent
data	param index:
decodeData
disconnectNotify
dropMimeData	param data:
encodeData
endInsertColumns
endInsertRows
endMoveColumns
endMoveRows
endRemoveColumns
endRemoveRows
endResetModel
finishedAddingRules
flags	param index:
headerData	param section:
index	param row:
insertRule	param parent:
isSignalConnected
mimeData	param indexes:
mimeTypes	rtype: List[str]
parent	param index:
persistentIndexList
receivers
removeRows	param row:
removeRule	param index:
resetInternalData
rowCount	param parent:
ruleForIndex	param index:
sender
senderSignalIndex
setData	param index:
setSymbol	Sets the symbol for the rule at the specified index.
supportedDropActions	rtype: Qt.DropActions
timerEvent
updateRule	param parent:
willAddRules	param parent:

beginInsertColumns(self, parent: QModelIndex, first: int, last: int)

beginInsertRows(self, parent: QModelIndex, first: int, last: int)

beginMoveColumns(self, sourceParent: QModelIndex, sourceFirst: int, sourceLast: int, destinationParent: QModelIndex, destinationColumn: int) → bool

beginMoveRows(self, sourceParent: QModelIndex, sourceFirst: int, sourceLast: int, destinationParent: QModelIndex, destinationRow: int) → bool

beginRemoveColumns(self, parent: QModelIndex, first: int, last: int)

beginRemoveRows(self, parent: QModelIndex, first: int, last: int)

beginResetModel(self)

changePersistentIndex(self, from_: QModelIndex, to: QModelIndex)

changePersistentIndexList(self, from_: Iterable[QModelIndex], to: Iterable[QModelIndex])

childEvent(self, a0: QChildEvent | None)

clearFeatureCounts(self)

columnCount(self, a0: QModelIndex = QModelIndex()) → int

Parameters:

a0 (QModelIndex = QModelIndex())

Return type:

int

connectNotify(self, signal: QMetaMethod)

createIndex(self, row: int, column: int, object: Any = None) → QModelIndex

customEvent(self, a0: QEvent | None)

data(self, index: QModelIndex, role: int = Qt.DisplayRole) → Any

Parameters:

• index (QModelIndex)

• role (int = Qt.DisplayRole)

Return type:

Any

decodeData(self, row: int, column: int, parent: QModelIndex, stream: QDataStream) → bool

disconnectNotify(self, signal: QMetaMethod)

dropMimeData(self, data: QMimeData | None, action: Qt.DropAction, row: int, column: int, parent: QModelIndex) → bool

Parameters:

• data (Optional[QMimeData])

• action (Qt.DropAction)

• row (int)

• column (int)

• parent (QModelIndex)

Return type:

bool

encodeData(self, indexes: Iterable[QModelIndex], stream: QDataStream)

endInsertColumns(self)

endInsertRows(self)

endMoveColumns(self)

endMoveRows(self)

endRemoveColumns(self)

endRemoveRows(self)

endResetModel(self)

finishedAddingRules(self)

flags(self, index: QModelIndex) → Qt.ItemFlags

Parameters:

index (QModelIndex)

Return type:

Qt.ItemFlags

headerData(self, section: int, orientation: Qt.Orientation, role: int = Qt.DisplayRole) → Any

Parameters:

• section (int)

• orientation (Qt.Orientation)

• role (int = Qt.DisplayRole)

Return type:

Any

index(self, row: int, column: int, parent: QModelIndex = QModelIndex()) → QModelIndex

Parameters:

• row (int)

• column (int)

• parent (QModelIndex = QModelIndex())

Return type:

QModelIndex

insertRule(self, parent: QModelIndex, before: int, newrule: QgsRuleBasedRenderer.Rule | None)

Parameters:

• parent (QModelIndex)

• before (int)

• newrule (Optional[QgsRuleBasedRenderer.Rule])

isSignalConnected(self, signal: QMetaMethod) → bool

mimeData(self, indexes: Iterable[QModelIndex]) → QMimeData | None

Parameters:

indexes (Iterable[QModelIndex])

Return type:

Optional[QMimeData]

mimeTypes(self) → List[str]

Return type:

List[str]

parent(self, index: QModelIndex) → QModelIndex

Parameters:

index (QModelIndex)

Return type:

QModelIndex

persistentIndexList(self) → List[QModelIndex]

receivers(self, signal: PYQT_SIGNAL) → int

removeRows(self, row: int, count: int, parent: QModelIndex = QModelIndex()) → bool

Parameters:

• row (int)

• count (int)

• parent (QModelIndex = QModelIndex())

Return type:

bool

removeRule(self, index: QModelIndex)

Parameters:

index (QModelIndex)

resetInternalData(self)

rowCount(self, parent: QModelIndex = QModelIndex()) → int

Parameters:

parent (QModelIndex = QModelIndex())

Return type:

int

ruleForIndex(self, index: QModelIndex) → QgsRuleBasedRenderer.Rule | None

Parameters:

index (QModelIndex)

Return type:

Optional[QgsRuleBasedRenderer.Rule]

sender(self) → QObject | None

senderSignalIndex(self) → int

setData(self, index: QModelIndex, value: Any, role: int = Qt.EditRole) → bool

Parameters:

• index (QModelIndex)

• value (Any)

• role (int = Qt.EditRole)

Return type:

bool

setSymbol(self, index: QModelIndex, symbol: QgsSymbol | None)

Sets the symbol for the rule at the specified index. Ownership of the symbols is transferred to the renderer.

Added in version 3.10.

Parameters:

• index (QModelIndex)

• symbol (Optional[QgsSymbol])

supportedDropActions(self) → Qt.DropActions

Return type:

Qt.DropActions

timerEvent(self, a0: QTimerEvent | None)

updateRule(self, parent: QModelIndex, row: int)

updateRule(self, index: QModelIndex) → None

Parameters:

• parent (QModelIndex)

• row (int)

willAddRules(self, parent: QModelIndex, count: int)

Parameters:

• parent (QModelIndex)

• count (int)