Tree item for display of the mesh dataset groups. More...

#include <qgsmeshdataset.h>

Public Member Functions
	QgsMeshDatasetGroupTreeItem ()
	Constructor for an empty dataset group tree item.

	QgsMeshDatasetGroupTreeItem (const QDomElement &itemElement, const QgsReadWriteContext &context)
	Constructor from a DOM element, constructs also the children.

	QgsMeshDatasetGroupTreeItem (const QString &defaultName, const QString &sourceName, bool isVector, int index)
	Constructor.

	~QgsMeshDatasetGroupTreeItem ()
	Destructor, destructs also the children.

void	appendChild (QgsMeshDatasetGroupTreeItem *item)
	Appends a child item.

QgsMeshDatasetGroupTreeItem *	child (int row) const
	Returns a child.

int	childCount () const
	Returns the count of children.

QgsMeshDatasetGroupTreeItem *	childFromDatasetGroupIndex (int index)
	Returns the child with dataset group index Searches as depper as needed on the child hierarchy.

QgsMeshDatasetGroupTreeItem *	clone () const
	Clones the item.

int	datasetGroupIndex () const

QgsMeshDatasetGroup::Type	datasetGroupType () const

QString	defaultName () const

QString	description () const
	Returns description about the dataset group (URI, formula,...)

QList< int >	enabledDatasetGroupIndexes () const
	Returns a list of enabled dataset group indexes, included deeper children.

QList< int >	groupIndexDependencies () const
	Returns a list of group index corresponding to dataset group that depends on the dataset group represented by this item.

bool	isEnabled () const

bool	isVector () const

QString	name () const
	Returns the name of the item This name is the default name if the name has not been overridden (.

QgsMeshDatasetGroupTreeItem *	parentItem () const
	Returns the parent item, nullptr if it is root item.

QString	providerName () const
	Returns the name used by the provider to identify the dataset.

void	removeChild (QgsMeshDatasetGroupTreeItem *item)
	Removes and destroy a item child if exists.

int	row () const
	Returns the position of the item in the parent.

void	setDatasetGroup (QgsMeshDatasetGroup *datasetGroup)
	Set parameters of the item in accordance with the dataset group.

void	setIsEnabled (bool isEnabled)
	Sets whether the item is enabled, that is if it is displayed in view.

void	setName (const QString &name)
	Overrides the default name with the name to display.

void	setPersistentDatasetGroup (const QString &uri)
	Set parameters of the item in accordance with the persistent dataset group with uri.

int	totalChildCount () const
	Returns the total count of children, that is included deeper children and disabled items.

QDomElement	writeXml (QDomDocument &doc, const QgsReadWriteContext &context)
	Writes the item and its children in a DOM document.

Detailed Description

Tree item for display of the mesh dataset groups.

Dataset group is set of datasets with the same name, but different control variable (e.g. time)

Support for multiple levels, because groups can have subgroups, for example

Groups: Depth Minimum Maximum Velocity Wind speed Minimum Maximum

Tree items handle also the dependencies between dataset groups represented by these items

Since: QGIS 3.14 in core API

Definition at line 855 of file qgsmeshdataset.h.

Constructor & Destructor Documentation

◆ QgsMeshDatasetGroupTreeItem() [1/3]

QgsMeshDatasetGroupTreeItem::QgsMeshDatasetGroupTreeItem ( )

default

Constructor for an empty dataset group tree item.

◆ QgsMeshDatasetGroupTreeItem() [2/3]

QgsMeshDatasetGroupTreeItem::QgsMeshDatasetGroupTreeItem	(	const QString &	defaultName,
		const QString &	sourceName,
		bool	isVector,
		int	index
	)

Constructor.

Parameters

defaultName the name that will be used to display the item if iot not overrides (

See also: setName())

Parameters

sourceName	the name used by the source (provider, dataset group store,...)
isVector	whether the dataset group is a vector dataset group
index	index of the dataset group

Definition at line 463 of file qgsmeshdataset.cpp.

◆ QgsMeshDatasetGroupTreeItem() [3/3]

QgsMeshDatasetGroupTreeItem::QgsMeshDatasetGroupTreeItem	(	const QDomElement &	itemElement,
		const QgsReadWriteContext &	context
	)

Constructor from a DOM element, constructs also the children.

Parameters

itemElement	the DOM element
context	writing context (e.g. for conversion between relative and absolute paths)

Definition at line 473 of file qgsmeshdataset.cpp.

◆ ~QgsMeshDatasetGroupTreeItem()

QgsMeshDatasetGroupTreeItem::~QgsMeshDatasetGroupTreeItem ( )

Destructor, destructs also the children.

Definition at line 524 of file qgsmeshdataset.cpp.

Member Function Documentation

◆ appendChild()

void QgsMeshDatasetGroupTreeItem::appendChild ( QgsMeshDatasetGroupTreeItem * item )

Appends a child item.

Note: takes ownership of item

Definition at line 552 of file qgsmeshdataset.cpp.

◆ child()

QgsMeshDatasetGroupTreeItem * QgsMeshDatasetGroupTreeItem::child ( int row ) const

Returns a child.

Parameters

row	the position of the child

Returns: the item at the position row

Definition at line 564 of file qgsmeshdataset.cpp.

◆ childCount()

int QgsMeshDatasetGroupTreeItem::childCount ( ) const

Returns the count of children.

Returns: the children's count

Definition at line 594 of file qgsmeshdataset.cpp.

◆ childFromDatasetGroupIndex()

QgsMeshDatasetGroupTreeItem * QgsMeshDatasetGroupTreeItem::childFromDatasetGroupIndex ( int index )

Returns the child with dataset group index Searches as depper as needed on the child hierarchy.

Parameters

index the index of the dataset group index

Returns: the item with index as dataset group index, nullptr if no item is found

Definition at line 572 of file qgsmeshdataset.cpp.

◆ clone()

QgsMeshDatasetGroupTreeItem * QgsMeshDatasetGroupTreeItem::clone ( ) const

Clones the item.

Returns: the cloned item

Definition at line 538 of file qgsmeshdataset.cpp.

◆ datasetGroupIndex()

int QgsMeshDatasetGroupTreeItem::datasetGroupIndex ( ) const

Returns: the dataset group index

Definition at line 650 of file qgsmeshdataset.cpp.

◆ datasetGroupType()

QgsMeshDatasetGroup::Type QgsMeshDatasetGroupTreeItem::datasetGroupType ( ) const

Returns: the dataset group type

Since: QGIS 3.16

Definition at line 670 of file qgsmeshdataset.cpp.

◆ defaultName()

QString QgsMeshDatasetGroupTreeItem::defaultName ( ) const

Returns: the default name

Definition at line 665 of file qgsmeshdataset.cpp.

◆ description()

QString QgsMeshDatasetGroupTreeItem::description ( ) const

Returns description about the dataset group (URI, formula,...)

Since: QGIS 3.16

Definition at line 675 of file qgsmeshdataset.cpp.

◆ enabledDatasetGroupIndexes()

QList< int > QgsMeshDatasetGroupTreeItem::enabledDatasetGroupIndexes ( ) const

Returns a list of enabled dataset group indexes, included deeper children.

Returns: the list of dataset group indexes

Since: QGIS 3.16.3

Definition at line 610 of file qgsmeshdataset.cpp.

◆ groupIndexDependencies()

QList< int > QgsMeshDatasetGroupTreeItem::groupIndexDependencies ( ) const

Returns a list of group index corresponding to dataset group that depends on the dataset group represented by this item.

Returns: list of group index

Definition at line 740 of file qgsmeshdataset.cpp.

◆ isEnabled()

bool QgsMeshDatasetGroupTreeItem::isEnabled ( ) const

Returns: whether the item is enabled, that is if it is displayed in view

Definition at line 655 of file qgsmeshdataset.cpp.

◆ isVector()

bool QgsMeshDatasetGroupTreeItem::isVector ( ) const

Returns: whether the dataset group is vector

Definition at line 645 of file qgsmeshdataset.cpp.

◆ name()

QString QgsMeshDatasetGroupTreeItem::name ( ) const

Returns the name of the item This name is the default name if the name has not been overridden (.

See also: setName())

Returns: the name to display

Definition at line 637 of file qgsmeshdataset.cpp.

◆ parentItem()

QgsMeshDatasetGroupTreeItem * QgsMeshDatasetGroupTreeItem::parentItem ( ) const

Returns the parent item, nullptr if it is root item.

Returns: the parent item

Definition at line 624 of file qgsmeshdataset.cpp.

◆ providerName()

QString QgsMeshDatasetGroupTreeItem::providerName ( ) const

Returns the name used by the provider to identify the dataset.

Returns: the provider name

Since: QGIS 3.16

Definition at line 812 of file qgsmeshdataset.cpp.

◆ removeChild()

void QgsMeshDatasetGroupTreeItem::removeChild ( QgsMeshDatasetGroupTreeItem * item )

Removes and destroy a item child if exists.

Parameters

item	the item to append

Since: QGIS 3.16

Definition at line 559 of file qgsmeshdataset.cpp.

◆ row()

int QgsMeshDatasetGroupTreeItem::row ( ) const

Returns the position of the item in the parent.

Returns: tow position of the item

Definition at line 629 of file qgsmeshdataset.cpp.

◆ setDatasetGroup()

void QgsMeshDatasetGroupTreeItem::setDatasetGroup ( QgsMeshDatasetGroup * datasetGroup )

Set parameters of the item in accordance with the dataset group.

Parameters

datasetGroup pointer to the dataset group to accord with

Since: QGIS 3.16

Definition at line 680 of file qgsmeshdataset.cpp.

◆ setIsEnabled()

void QgsMeshDatasetGroupTreeItem::setIsEnabled ( bool isEnabled )

Sets whether the item is enabled, that is if it is displayed in view.

Parameters

isEnabled whether the item is enabled

Definition at line 660 of file qgsmeshdataset.cpp.

◆ setName()

void QgsMeshDatasetGroupTreeItem::setName ( const QString & name )

Overrides the default name with the name to display.

The default name is still stored in the item but will not be displayed anymore except if the empty string is set.

Parameters

name	to display

Definition at line 817 of file qgsmeshdataset.cpp.

◆ setPersistentDatasetGroup()

void QgsMeshDatasetGroupTreeItem::setPersistentDatasetGroup ( const QString & uri )

Set parameters of the item in accordance with the persistent dataset group with uri.

Parameters

uri	uri of the persistent dataset group

Since: QGIS 3.16

Definition at line 699 of file qgsmeshdataset.cpp.

◆ totalChildCount()

int QgsMeshDatasetGroupTreeItem::totalChildCount ( ) const

Returns the total count of children, that is included deeper children and disabled items.

Returns: the total children's count

Definition at line 599 of file qgsmeshdataset.cpp.

◆ writeXml()

QDomElement QgsMeshDatasetGroupTreeItem::writeXml	(	QDomDocument &	doc,
		const QgsReadWriteContext &	context
	)

Writes the item and its children in a DOM document.

Parameters

doc	the DOM document
context	writing context (e.g. for conversion between relative and absolute paths)

Returns: the dom element where the item is written

Definition at line 706 of file qgsmeshdataset.cpp.

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

/build/qgis-3.40.0+99sid/src/core/mesh/qgsmeshdataset.h
/build/qgis-3.40.0+99sid/src/core/mesh/qgsmeshdataset.cpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ QgsMeshDatasetGroupTreeItem() [1/3]

◆ QgsMeshDatasetGroupTreeItem() [2/3]

◆ QgsMeshDatasetGroupTreeItem() [3/3]

◆ ~QgsMeshDatasetGroupTreeItem()

Member Function Documentation

◆ appendChild()

◆ child()

◆ childCount()

◆ childFromDatasetGroupIndex()

◆ clone()

◆ datasetGroupIndex()

◆ datasetGroupType()

◆ defaultName()

◆ description()

◆ enabledDatasetGroupIndexes()

◆ groupIndexDependencies()

◆ isEnabled()

◆ isVector()

◆ name()

◆ parentItem()

◆ providerName()

◆ removeChild()

◆ row()

◆ setDatasetGroup()

◆ setIsEnabled()

◆ setName()

◆ setPersistentDatasetGroup()

◆ totalChildCount()

◆ writeXml()